src/editor.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2002 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * editor.c                                                 *
  12 ***********************************************************/
  13
  14 #include <math.h>
  15
  16 #include "libgame/libgame.h"
  17
  18 #include "editor.h"
  19 #include "screens.h"
  20 #include "tools.h"
  21 #include "files.h"
  22 #include "game.h"
  23 #include "tape.h"
  24
  25 /* positions in the level editor */
  26 #define ED_WIN_MB_LEFT_XPOS             6
  27 #define ED_WIN_MB_LEFT_YPOS             258
  28 #define ED_WIN_MB_MIDDLE_XPOS           42
  29 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  30 #define ED_WIN_MB_RIGHT_XPOS            78
  31 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  32
  33 /* other constants for the editor */
  34 #define ED_SCROLL_NO                    0
  35 #define ED_SCROLL_LEFT                  1
  36 #define ED_SCROLL_RIGHT                 2
  37 #define ED_SCROLL_UP                    4
  38 #define ED_SCROLL_DOWN                  8
  39
  40 /* screens in the level editor */
  41 #define ED_MODE_DRAWING                 0
  42 #define ED_MODE_INFO                    1
  43 #define ED_MODE_PROPERTIES              2
  44
  45 /* how many steps can be cancelled */
  46 #define NUM_UNDO_STEPS                  (10 + 1)
  47
  48 /* values for elements with score */
  49 #define MIN_SCORE                       0
  50 #define MAX_SCORE                       255
  51
  52 /* values for the control window */
  53 #define ED_CTRL_BUTTONS_GFX_YPOS        236
  54 #define ED_CTRL_BUTTONS_ALT_GFX_YPOS    142
  55
  56 #define ED_CTRL1_BUTTONS_HORIZ          4
  57 #define ED_CTRL1_BUTTONS_VERT           4
  58 #define ED_CTRL1_BUTTON_XSIZE           22
  59 #define ED_CTRL1_BUTTON_YSIZE           22
  60 #define ED_CTRL1_BUTTONS_XPOS           6
  61 #define ED_CTRL1_BUTTONS_YPOS           6
  62 #define ED_CTRL2_BUTTONS_HORIZ          3
  63 #define ED_CTRL2_BUTTONS_VERT           2
  64 #define ED_CTRL2_BUTTON_XSIZE           30
  65 #define ED_CTRL2_BUTTON_YSIZE           20
  66 #define ED_CTRL2_BUTTONS_XPOS           5
  67 #define ED_CTRL2_BUTTONS_YPOS           99
  68 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  69 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  70 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
  71
  72 /* values for the element list */
  73 #define ED_ELEMENTLIST_XPOS             5
  74 #define ED_ELEMENTLIST_YPOS             30
  75 #define ED_ELEMENTLIST_XSIZE            20
  76 #define ED_ELEMENTLIST_YSIZE            20
  77 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  78 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  79 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  80                                          ED_ELEMENTLIST_BUTTONS_VERT)
  81
  82 /* values for the setting windows */
  83 #define ED_SETTINGS_XPOS                (MINI_TILEX + 8)
  84 #define ED_SETTINGS2_XPOS               MINI_TILEX
  85 #define ED_SETTINGS_YPOS                MINI_TILEY
  86 #define ED_SETTINGS2_YPOS               (ED_SETTINGS_YPOS + 12 * TILEY - 2)
  87
  88 /* values for counter gadgets */
  89 #define ED_COUNT_ELEM_SCORE_XPOS        ED_SETTINGS_XPOS
  90 #define ED_COUNT_ELEM_SCORE_YPOS        (14 * MINI_TILEY)
  91 #define ED_COUNT_ELEM_CONTENT_XPOS      ED_SETTINGS_XPOS
  92 #define ED_COUNT_ELEM_CONTENT_YPOS      (19 * MINI_TILEY)
  93
  94 #define ED_COUNTER_YSTART               (ED_SETTINGS_YPOS + 2 * TILEY)
  95 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
  96 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
  97                                          n * ED_COUNTER_YDISTANCE)
  98 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
  99                                          n * ED_COUNTER_YDISTANCE - 2)
 100 /* standard distances */
 101 #define ED_BORDER_SIZE                  3
 102 #define ED_GADGET_DISTANCE              2
 103
 104 /* values for element content drawing areas */
 105 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 106 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 107
 108 /* values for random placement background drawing area */
 109 #define ED_AREA_RANDOM_BACKGROUND_XPOS  (29 * MINI_TILEX)
 110 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 111
 112 /* values for scrolling gadgets for drawing area */
 113 #define ED_SCROLLBUTTON_XPOS            24
 114 #define ED_SCROLLBUTTON_YPOS            0
 115 #define ED_SCROLLBAR_XPOS               24
 116 #define ED_SCROLLBAR_YPOS               64
 117
 118 #define ED_SCROLLBUTTON_XSIZE           16
 119 #define ED_SCROLLBUTTON_YSIZE           16
 120
 121 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 122 #define ED_SCROLL_UP_YPOS               (0)
 123 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 124 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 125 #define ED_SCROLL_LEFT_XPOS             (0)
 126 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 127 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 128 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 129 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 130 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 131 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 132 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 133 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 134 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 135 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 136 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 137
 138 /* values for scrolling gadgets for element list */
 139 #define ED_SCROLLBUTTON2_XPOS           50
 140 #define ED_SCROLLBUTTON2_YPOS           0
 141 #define ED_SCROLLBAR2_XPOS              50
 142 #define ED_SCROLLBAR2_YPOS              20
 143
 144 #define ED_SCROLLBUTTON2_XSIZE          10
 145 #define ED_SCROLLBUTTON2_YSIZE          10
 146
 147 #define ED_SCROLL2_UP_XPOS              85
 148 #define ED_SCROLL2_UP_YPOS              30
 149 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 150 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 151                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 152                                          ED_ELEMENTLIST_YSIZE - \
 153                                          ED_SCROLLBUTTON2_YSIZE)
 154 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 155 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 156                                          ED_SCROLLBUTTON2_YSIZE)
 157 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 158 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 159                                          ED_ELEMENTLIST_YSIZE - \
 160                                          2 * ED_SCROLLBUTTON2_YSIZE)
 161
 162 /* values for checkbutton gadgets */
 163 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 164 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 165 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 166 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 167 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 168 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 169 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 170
 171 /* some positions in the editor control window */
 172 #define ED_BUTTON_ELEM_XPOS             6
 173 #define ED_BUTTON_ELEM_YPOS             30
 174 #define ED_BUTTON_ELEM_XSIZE            22
 175 #define ED_BUTTON_ELEM_YSIZE            22
 176
 177 /* some values for text input, selectbox and counter gadgets */
 178 #define ED_BUTTON_COUNT_YPOS            60
 179 #define ED_BUTTON_COUNT_XSIZE           20
 180 #define ED_BUTTON_COUNT_YSIZE           20
 181 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 182 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 183 #define ED_WIN_COUNT_XSIZE              52
 184 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 185 #define ED_WIN_COUNT2_XPOS              27
 186 #define ED_WIN_COUNT2_YPOS              3
 187 #define ED_WIN_COUNT2_XSIZE             46
 188 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 189
 190 #define ED_BUTTON_MINUS_XPOS            2
 191 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 192 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 193 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 194 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 195                                          ED_WIN_COUNT_XSIZE + 2)
 196 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 197 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 198 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 199
 200 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 201 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + 2 + \
 202                                          ED_WIN_COUNT_YSIZE)
 203 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 204 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 205
 206 /* editor gadget identifiers */
 207
 208 /* drawing toolbox buttons */
 209 #define GADGET_ID_NONE                  -1
 210 #define GADGET_ID_SINGLE_ITEMS          0
 211 #define GADGET_ID_CONNECTED_ITEMS       1
 212 #define GADGET_ID_LINE                  2
 213 #define GADGET_ID_ARC                   3
 214 #define GADGET_ID_RECTANGLE             4
 215 #define GADGET_ID_FILLED_BOX            5
 216 #define GADGET_ID_WRAP_UP               6
 217 #define GADGET_ID_TEXT                  7
 218 #define GADGET_ID_FLOOD_FILL            8
 219 #define GADGET_ID_WRAP_LEFT             9
 220 #define GADGET_ID_PROPERTIES            10
 221 #define GADGET_ID_WRAP_RIGHT            11
 222 #define GADGET_ID_RANDOM_PLACEMENT      12
 223 #define GADGET_ID_GRAB_BRUSH            13
 224 #define GADGET_ID_WRAP_DOWN             14
 225 #define GADGET_ID_PICK_ELEMENT          15
 226 #define GADGET_ID_UNDO                  16
 227 #define GADGET_ID_INFO                  17
 228 #define GADGET_ID_SAVE                  18
 229 #define GADGET_ID_CLEAR                 19
 230 #define GADGET_ID_TEST                  20
 231 #define GADGET_ID_EXIT                  21
 232
 233 /* counter button identifiers */
 234 #define GADGET_ID_ELEM_SCORE_DOWN       22
 235 #define GADGET_ID_ELEM_SCORE_TEXT       23
 236 #define GADGET_ID_ELEM_SCORE_UP         24
 237 #define GADGET_ID_ELEM_CONTENT_DOWN     25
 238 #define GADGET_ID_ELEM_CONTENT_TEXT     26
 239 #define GADGET_ID_ELEM_CONTENT_UP       27
 240 #define GADGET_ID_LEVEL_XSIZE_DOWN      28
 241 #define GADGET_ID_LEVEL_XSIZE_TEXT      29
 242 #define GADGET_ID_LEVEL_XSIZE_UP        30
 243 #define GADGET_ID_LEVEL_YSIZE_DOWN      31
 244 #define GADGET_ID_LEVEL_YSIZE_TEXT      32
 245 #define GADGET_ID_LEVEL_YSIZE_UP        33
 246 #define GADGET_ID_LEVEL_RANDOM_DOWN     34
 247 #define GADGET_ID_LEVEL_RANDOM_TEXT     35
 248 #define GADGET_ID_LEVEL_RANDOM_UP       36
 249 #define GADGET_ID_LEVEL_COLLECT_DOWN    37
 250 #define GADGET_ID_LEVEL_COLLECT_TEXT    38
 251 #define GADGET_ID_LEVEL_COLLECT_UP      39
 252 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  40
 253 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  41
 254 #define GADGET_ID_LEVEL_TIMELIMIT_UP    42
 255 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  43
 256 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  44
 257 #define GADGET_ID_LEVEL_TIMESCORE_UP    45
 258 #define GADGET_ID_SELECT_LEVEL_DOWN     46
 259 #define GADGET_ID_SELECT_LEVEL_TEXT     47
 260 #define GADGET_ID_SELECT_LEVEL_UP       48
 261
 262 /* drawing area identifiers */
 263 #define GADGET_ID_DRAWING_LEVEL         49
 264 #define GADGET_ID_ELEM_CONTENT_0        50
 265 #define GADGET_ID_ELEM_CONTENT_1        51
 266 #define GADGET_ID_ELEM_CONTENT_2        52
 267 #define GADGET_ID_ELEM_CONTENT_3        53
 268 #define GADGET_ID_ELEM_CONTENT_4        54
 269 #define GADGET_ID_ELEM_CONTENT_5        55
 270 #define GADGET_ID_ELEM_CONTENT_6        56
 271 #define GADGET_ID_ELEM_CONTENT_7        57
 272 #define GADGET_ID_AMOEBA_CONTENT        58
 273 #define GADGET_ID_RANDOM_BACKGROUND     59
 274
 275 /* text input identifiers */
 276 #define GADGET_ID_LEVEL_NAME            60
 277 #define GADGET_ID_LEVEL_AUTHOR          61
 278
 279 /* selectbox identifiers */
 280 #define GADGET_ID_SELECTBOX_TEST        62
 281
 282 /* gadgets for scrolling of drawing area */
 283 #define GADGET_ID_SCROLL_UP             63
 284 #define GADGET_ID_SCROLL_DOWN           64
 285 #define GADGET_ID_SCROLL_LEFT           65
 286 #define GADGET_ID_SCROLL_RIGHT          66
 287 #define GADGET_ID_SCROLL_HORIZONTAL     67
 288 #define GADGET_ID_SCROLL_VERTICAL       68
 289
 290 /* gadgets for scrolling element list */
 291 #define GADGET_ID_SCROLL_LIST_UP        69
 292 #define GADGET_ID_SCROLL_LIST_DOWN      70
 293 #define GADGET_ID_SCROLL_LIST_VERTICAL  71
 294
 295 /* buttons for level/element properties */
 296 #define GADGET_ID_RANDOM_PERCENTAGE     72
 297 #define GADGET_ID_RANDOM_QUANTITY       73
 298 #define GADGET_ID_RANDOM_RESTRICTED     74
 299 #define GADGET_ID_DOUBLE_SPEED          75
 300 #define GADGET_ID_GRAVITY               76
 301 #define GADGET_ID_STICK_ELEMENT         77
 302 #define GADGET_ID_EM_SLIPPERY_GEMS      78
 303 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE 79
 304 #define GADGET_ID_CUSTOM_CAN_FALL       80
 305 #define GADGET_ID_CUSTOM_CAN_SMASH      81
 306 #define GADGET_ID_CUSTOM_PUSHABLE       82
 307 #define GADGET_ID_CUSTOM_SLIPPERY       83
 308
 309 /* gadgets for buttons in element list */
 310 #define GADGET_ID_ELEMENTLIST_FIRST     84
 311 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 312                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 313
 314 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 315
 316 /* radio button numbers */
 317 #define RADIO_NR_NONE                   0
 318 #define RADIO_NR_DRAWING_TOOLBOX        1
 319 #define RADIO_NR_RANDOM_ELEMENTS        2
 320
 321 /* values for counter gadgets */
 322 #define ED_COUNTER_ID_ELEM_SCORE        0
 323 #define ED_COUNTER_ID_ELEM_CONTENT      1
 324 #define ED_COUNTER_ID_LEVEL_XSIZE       2
 325 #define ED_COUNTER_ID_LEVEL_YSIZE       3
 326 #define ED_COUNTER_ID_LEVEL_COLLECT     4
 327 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   5
 328 #define ED_COUNTER_ID_LEVEL_TIMESCORE   6
 329 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 330 #define ED_COUNTER_ID_SELECT_LEVEL      8
 331
 332 #define ED_NUM_COUNTERBUTTONS           9
 333
 334 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 335 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 336
 337 /* values for scrollbutton gadgets */
 338 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 339 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 340 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 341 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 342 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 343 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 344
 345 #define ED_NUM_SCROLLBUTTONS            6
 346
 347 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 348 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 349
 350 /* values for scrollbar gadgets */
 351 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 352 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 353 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 354
 355 #define ED_NUM_SCROLLBARS               3
 356
 357 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 358 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 359
 360 /* values for text input gadgets */
 361 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 362 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 363
 364 #define ED_NUM_TEXTINPUT                2
 365
 366 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 367 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 368
 369 /* values for selectbox gadgets */
 370 #define ED_SELECTBOX_ID_TEST            0
 371
 372 #define ED_NUM_SELECTBOX                1
 373
 374 /* values for checkbutton gadgets */
 375 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 376 #define ED_CHECKBUTTON_ID_GRAVITY               1
 377 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 378 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 379 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 380 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 5
 381 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       6
 382 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      7
 383 #define ED_CHECKBUTTON_ID_CUSTOM_PUSHABLE       8
 384 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       9
 385
 386 #define ED_NUM_CHECKBUTTONS                     10
 387
 388 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 389 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 390
 391 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 392 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY
 393
 394 /* values for radiobutton gadgets */
 395 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 396 #define ED_RADIOBUTTON_ID_QUANTITY      1
 397
 398 #define ED_NUM_RADIOBUTTONS             2
 399
 400 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 401 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 402
 403 /* values for CopyLevelToUndoBuffer() */
 404 #define UNDO_IMMEDIATE                  0
 405 #define UNDO_ACCUMULATE                 1
 406
 407 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 408 #define INFOTEXT_XPOS                   SX
 409 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 410 #define INFOTEXT_XSIZE                  SXSIZE
 411 #define INFOTEXT_YSIZE                  MINI_TILEX
 412
 413 static struct
 414 {
 415   char shortcut;
 416   char *text;
 417 } control_info[ED_NUM_CTRL_BUTTONS] =
 418 {
 419   { 's',        "draw single items"             },
 420   { 'd',        "draw connected items"          },
 421   { 'l',        "draw lines"                    },
 422   { 'a',        "draw arcs"                     },
 423   { 'r',        "draw outline rectangles"       },
 424   { 'R',        "draw filled rectangles"        },
 425   { '\0',       "wrap (rotate) level up"        },
 426   { 't',        "enter text elements"           },
 427   { 'f',        "flood fill"                    },
 428   { '\0',       "wrap (rotate) level left"      },
 429   { '?',        "properties of drawing element" },
 430   { '\0',       "wrap (rotate) level right"     },
 431   { '\0',       "random element placement"      },
 432   { 'b',        "grab brush"                    },
 433   { '\0',       "wrap (rotate) level down"      },
 434   { ',',        "pick drawing element"          },
 435   { 'U',        "undo last operation"           },
 436   { 'I',        "level properties"              },
 437   { 'S',        "save level"                    },
 438   { 'C',        "clear level"                   },
 439   { 'T',        "test level"                    },
 440   { 'E',        "exit level editor"             }
 441 };
 442
 443 /* values for random placement */
 444 #define RANDOM_USE_PERCENTAGE           0
 445 #define RANDOM_USE_QUANTITY             1
 446
 447 static int random_placement_value = 10;
 448 static int random_placement_method = RANDOM_USE_QUANTITY;
 449 static int random_placement_background_element = EL_SAND;
 450 static boolean random_placement_background_restricted = FALSE;
 451 static boolean stick_element_properties_window = FALSE;
 452
 453 static struct
 454 {
 455   boolean indestructible;
 456   boolean can_fall;
 457   boolean can_smash;
 458   boolean pushable;
 459   boolean slippery;
 460 } custom_element_properties[NUM_CUSTOM_ELEMENTS];
 461
 462 static struct
 463 {
 464   int x, y;
 465   int min_value, max_value;
 466   int gadget_id_down, gadget_id_up;
 467   int gadget_id_text;
 468   int *value;
 469   char *infotext_above, *infotext_right;
 470 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 471 {
 472   {
 473     ED_COUNT_ELEM_SCORE_XPOS,           ED_COUNT_ELEM_SCORE_YPOS,
 474     MIN_SCORE,                          MAX_SCORE,
 475     GADGET_ID_ELEM_SCORE_DOWN,          GADGET_ID_ELEM_SCORE_UP,
 476     GADGET_ID_ELEM_SCORE_TEXT,
 477     NULL,                               /* will be set when used */
 478     "element score",                    NULL
 479   },
 480   {
 481     ED_COUNT_ELEM_CONTENT_XPOS,         ED_COUNT_ELEM_CONTENT_YPOS,
 482     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 483     GADGET_ID_ELEM_CONTENT_DOWN,        GADGET_ID_ELEM_CONTENT_UP,
 484     GADGET_ID_ELEM_CONTENT_TEXT,
 485     &level.num_yam_contents,
 486     "element content",                  NULL
 487   },
 488   {
 489     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(2),
 490     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 491     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 492     GADGET_ID_LEVEL_XSIZE_TEXT,
 493     &level.fieldx,
 494     "playfield size",                   "width",
 495   },
 496   {
 497     ED_SETTINGS_XPOS + 2 * DXSIZE,      ED_COUNTER_YPOS(2),
 498     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 499     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 500     GADGET_ID_LEVEL_YSIZE_TEXT,
 501     &level.fieldy,
 502     NULL,                               "height",
 503   },
 504   {
 505     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(3),
 506     0,                                  999,
 507     GADGET_ID_LEVEL_COLLECT_DOWN,       GADGET_ID_LEVEL_COLLECT_UP,
 508     GADGET_ID_LEVEL_COLLECT_TEXT,
 509     &level.gems_needed,
 510     "number of emeralds to collect",    NULL
 511   },
 512   {
 513     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 514     0,                                  999,
 515     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 516     GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 517     &level.time,
 518     "time available to solve level",    "(0 => no time limit)"
 519   },
 520   {
 521     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(5),
 522     0,                                  255,
 523     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 524     GADGET_ID_LEVEL_TIMESCORE_TEXT,
 525     &level.score[SC_ZEITBONUS],
 526     "score for each 10 seconds left",   NULL
 527   },
 528   {
 529     ED_SETTINGS_XPOS,                   ED_COUNTER2_YPOS(8),
 530     1,                                  100,
 531     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 532     GADGET_ID_LEVEL_RANDOM_TEXT,
 533     &random_placement_value,
 534     "random element placement",         "in"
 535   },
 536   {
 537     DX + 5 - SX,                        DY + 3 - SY,
 538     1,                                  100,
 539     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 540     GADGET_ID_SELECT_LEVEL_TEXT,
 541     &level_nr,
 542     NULL,                               NULL
 543   }
 544 };
 545
 546 static struct
 547 {
 548   int x, y;
 549   int gadget_id;
 550   int size;
 551   char *value;
 552   char *infotext;
 553 } textinput_info[ED_NUM_TEXTINPUT] =
 554 {
 555   {
 556     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(0),
 557     GADGET_ID_LEVEL_NAME,
 558     MAX_LEVEL_NAME_LEN,
 559     level.name,
 560     "Title"
 561   },
 562   {
 563     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(1),
 564     GADGET_ID_LEVEL_AUTHOR,
 565     MAX_LEVEL_AUTHOR_LEN,
 566     level.author,
 567     "Author"
 568   }
 569 };
 570
 571 static char *test_values[] =
 572 {
 573   "test 1",
 574   "test 2",
 575   "dieser test-text ist viel zu lang fuer die selectbox",
 576   "letzter text",
 577   NULL
 578 };
 579 static int test_index = 0;
 580
 581 static struct
 582 {
 583   int x, y;
 584   int gadget_id;
 585   int size;
 586   char **values;
 587   int *index;
 588   char *text, *infotext;
 589 } selectbox_info[ED_NUM_SELECTBOX] =
 590 {
 591   {
 592     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(3),
 593     GADGET_ID_SELECTBOX_TEST,
 594     MAX_PLAYER_NAME_LEN,
 595     test_values, &test_index,
 596     "test:", "test-selectbox entry"
 597   },
 598 };
 599
 600 static struct
 601 {
 602   int xpos, ypos;
 603   int x, y;
 604   int gadget_id;
 605   char *infotext;
 606 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
 607 {
 608   {
 609     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
 610     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
 611     GADGET_ID_SCROLL_UP,
 612     "scroll level editing area up"
 613   },
 614   {
 615     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
 616     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
 617     GADGET_ID_SCROLL_DOWN,
 618     "scroll level editing area down"
 619   },
 620   {
 621     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
 622     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
 623     GADGET_ID_SCROLL_LEFT,
 624     "scroll level editing area left"
 625   },
 626   {
 627     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
 628     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
 629     GADGET_ID_SCROLL_RIGHT,
 630     "scroll level editing area right"
 631   },
 632   {
 633     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
 634     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
 635     GADGET_ID_SCROLL_LIST_UP,
 636     "scroll element list up ('Page Up')"
 637   },
 638   {
 639     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
 640     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
 641     GADGET_ID_SCROLL_LIST_DOWN,
 642     "scroll element list down ('Page Down')"
 643   }
 644 };
 645
 646 static struct
 647 {
 648   int xpos, ypos;
 649   int x, y;
 650   int width, height;
 651   int type;
 652   int gadget_id;
 653   char *infotext;
 654 } scrollbar_info[ED_NUM_SCROLLBARS] =
 655 {
 656   {
 657     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 658     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
 659     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
 660     GD_TYPE_SCROLLBAR_HORIZONTAL,
 661     GADGET_ID_SCROLL_HORIZONTAL,
 662     "scroll level editing area horizontally"
 663   },
 664   {
 665     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 666     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
 667     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
 668     GD_TYPE_SCROLLBAR_VERTICAL,
 669     GADGET_ID_SCROLL_VERTICAL,
 670     "scroll level editing area vertically"
 671   },
 672   {
 673     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
 674     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
 675     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
 676     GD_TYPE_SCROLLBAR_VERTICAL,
 677     GADGET_ID_SCROLL_LIST_VERTICAL,
 678     "scroll element list vertically"
 679   }
 680 };
 681
 682 static struct
 683 {
 684   int x, y;
 685   int gadget_id;
 686   int radio_button_nr;
 687   int *value;
 688   int checked_value;
 689   char *text, *infotext;
 690 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
 691 {
 692   {
 693     ED_SETTINGS_XPOS + 160,             ED_COUNTER2_YPOS(8),
 694     GADGET_ID_RANDOM_PERCENTAGE,
 695     RADIO_NR_RANDOM_ELEMENTS,
 696     &random_placement_method,           RANDOM_USE_PERCENTAGE,
 697     "percentage",                       "use percentage for random elements"
 698   },
 699   {
 700     ED_SETTINGS_XPOS + 340,             ED_COUNTER2_YPOS(8),
 701     GADGET_ID_RANDOM_QUANTITY,
 702     RADIO_NR_RANDOM_ELEMENTS,
 703     &random_placement_method,           RANDOM_USE_QUANTITY,
 704     "quantity",                         "use quantity for random elements"
 705   }
 706 };
 707
 708 static struct
 709 {
 710   int x, y;
 711   int gadget_id;
 712   boolean *value;
 713   char *text, *infotext;
 714 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
 715 {
 716   {
 717     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(6) - MINI_TILEY,
 718     GADGET_ID_DOUBLE_SPEED,
 719     &level.double_speed,
 720     "double speed movement",            "set movement speed of player"
 721   },
 722   {
 723     ED_SETTINGS_XPOS + 340,             ED_COUNTER_YPOS(6) - MINI_TILEY,
 724     GADGET_ID_GRAVITY,
 725     &level.gravity,
 726     "gravity",                          "set level gravity"
 727   },
 728   {
 729     ED_SETTINGS_XPOS,                   ED_COUNTER2_YPOS(9) - MINI_TILEY,
 730     GADGET_ID_RANDOM_RESTRICTED,
 731     &random_placement_background_restricted,
 732     "restrict random placement to",     "set random placement restriction"
 733   },
 734   {
 735     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 736     GADGET_ID_STICK_ELEMENT,
 737     &stick_element_properties_window,
 738     "stick window to edit content",     "stick window to edit content"
 739   },
 740   {
 741     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 742     GADGET_ID_EM_SLIPPERY_GEMS,
 743     &level.em_slippery_gems,
 744     "slip down from certain flat walls","use EM style slipping behaviour"
 745   },
 746   {
 747     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 748     GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 749     &custom_element_properties[0].indestructible,
 750     "indestructible",                   "element cannot be destroyed"
 751   },
 752   {
 753     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(5),
 754     GADGET_ID_CUSTOM_CAN_FALL,
 755     &custom_element_properties[0].can_fall,
 756     "can fall",                         "element can fall down"
 757   },
 758   {
 759     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(6),
 760     GADGET_ID_CUSTOM_CAN_SMASH,
 761     &custom_element_properties[0].can_smash,
 762     "can smash",                        "element can smash other elements"
 763   },
 764   {
 765     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(7),
 766     GADGET_ID_CUSTOM_PUSHABLE,
 767     &custom_element_properties[0].pushable,
 768     "pushable",                         "element can be pushed"
 769   },
 770   {
 771     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(8),
 772     GADGET_ID_CUSTOM_SLIPPERY,
 773     &custom_element_properties[0].slippery,
 774     "slippery",                         "other elements can fall down from it"
 775   }
 776 };
 777
 778 /* maximal size of level editor drawing area */
 779 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 780 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 781
 782 /* actual size of level editor drawing area */
 783 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
 784
 785 /* actual position of level editor drawing area in level playfield */
 786 static int level_xpos = -1, level_ypos = -1;
 787
 788 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
 789
 790 /* drawing elements on the three mouse buttons */
 791 static int new_element1 = EL_WALL;
 792 static int new_element2 = EL_EMPTY;
 793 static int new_element3 = EL_SAND;
 794
 795 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
 796                                 (button) == 2 ? new_element2 : \
 797                                 (button) == 3 ? new_element3 : EL_EMPTY)
 798 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
 799
 800 /* forward declaration for internal use */
 801 static void ModifyEditorCounter(int, int);
 802 static void ModifyEditorCounterLimits(int, int, int);
 803 static void DrawDrawingWindow();
 804 static void DrawLevelInfoWindow();
 805 static void DrawPropertiesWindow();
 806 static void CopyLevelToUndoBuffer(int);
 807 static void HandleDrawingAreas(struct GadgetInfo *);
 808 static void HandleCounterButtons(struct GadgetInfo *);
 809 static void HandleTextInputGadgets(struct GadgetInfo *);
 810 static void HandleSelectboxGadgets(struct GadgetInfo *);
 811 static void HandleRadiobuttons(struct GadgetInfo *);
 812 static void HandleCheckbuttons(struct GadgetInfo *);
 813 static void HandleControlButtons(struct GadgetInfo *);
 814 static void HandleDrawingAreaInfo(struct GadgetInfo *);
 815
 816 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
 817
 818 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
 819 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
 820 static boolean draw_with_brush = FALSE;
 821 static int properties_element = 0;
 822
 823 static short ElementContent[MAX_ELEMENT_CONTENTS][3][3];
 824 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
 825 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
 826 static int undo_buffer_position = 0;
 827 static int undo_buffer_steps = 0;
 828
 829 static int edit_mode;
 830
 831 static int element_shift = 0;
 832
 833 static int editor_el_boulderdash[] =
 834 {
 835   EL_CHAR('B'),
 836   EL_CHAR('O'),
 837   EL_CHAR('U'),
 838   EL_CHAR('L'),
 839
 840   EL_CHAR('-'),
 841   EL_CHAR('D'),
 842   EL_CHAR('E'),
 843   EL_CHAR('R'),
 844
 845   EL_CHAR('D'),
 846   EL_CHAR('A'),
 847   EL_CHAR('S'),
 848   EL_CHAR('H'),
 849
 850   EL_PLAYER_1,
 851   EL_EMPTY,
 852   EL_SAND,
 853   EL_STEELWALL,
 854
 855   EL_BD_WALL,
 856   EL_BD_MAGIC_WALL,
 857   EL_EXIT_CLOSED,
 858   EL_EXIT_OPEN,
 859
 860   EL_BD_DIAMOND,
 861   EL_BD_BUTTERFLY_UP,
 862   EL_BD_FIREFLY_UP,
 863   EL_BD_ROCK,
 864
 865   EL_BD_BUTTERFLY_LEFT,
 866   EL_BD_FIREFLY_LEFT,
 867   EL_BD_BUTTERFLY_RIGHT,
 868   EL_BD_FIREFLY_RIGHT,
 869
 870   EL_BD_AMOEBA,
 871   EL_BD_BUTTERFLY_DOWN,
 872   EL_BD_FIREFLY_DOWN,
 873   EL_EMPTY,
 874 };
 875 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
 876
 877 static int editor_el_emerald_mine[] =
 878 {
 879   EL_CHAR('E'),
 880   EL_CHAR('M'),
 881   EL_CHAR('E'),
 882   EL_CHAR('-'),
 883
 884   EL_CHAR('R'),
 885   EL_CHAR('A'),
 886   EL_CHAR('L'),
 887   EL_CHAR('D'),
 888
 889   EL_CHAR('M'),
 890   EL_CHAR('I'),
 891   EL_CHAR('N'),
 892   EL_CHAR('E'),
 893
 894   EL_PLAYER_1,
 895   EL_PLAYER_2,
 896   EL_PLAYER_3,
 897   EL_PLAYER_4,
 898
 899   EL_PLAYER_1,
 900   EL_EMPTY,
 901   EL_SAND,
 902   EL_ROCK,
 903
 904   EL_STEELWALL,
 905   EL_WALL,
 906   EL_WALL_CRUMBLED,
 907   EL_MAGIC_WALL,
 908
 909   EL_EMERALD,
 910   EL_DIAMOND,
 911   EL_NUT,
 912   EL_BOMB,
 913
 914   EL_WALL_EMERALD,
 915   EL_WALL_DIAMOND,
 916   EL_QUICKSAND_EMPTY,
 917   EL_QUICKSAND_FULL,
 918
 919   EL_DYNAMITE,
 920   EL_DYNAMITE_ACTIVE,
 921   EL_EXIT_CLOSED,
 922   EL_EXIT_OPEN,
 923
 924   EL_YAMYAM,
 925   EL_BUG_UP,
 926   EL_SPACESHIP_UP,
 927   EL_ROBOT,
 928
 929   EL_BUG_LEFT,
 930   EL_SPACESHIP_LEFT,
 931   EL_BUG_RIGHT,
 932   EL_SPACESHIP_RIGHT,
 933
 934   EL_ROBOT_WHEEL,
 935   EL_BUG_DOWN,
 936   EL_SPACESHIP_DOWN,
 937   EL_INVISIBLE_WALL,
 938
 939   EL_ACID_POOL_TOPLEFT,
 940   EL_ACID,
 941   EL_ACID_POOL_TOPRIGHT,
 942   EL_EMPTY,
 943
 944   EL_ACID_POOL_BOTTOMLEFT,
 945   EL_ACID_POOL_BOTTOM,
 946   EL_ACID_POOL_BOTTOMRIGHT,
 947   EL_EMPTY,
 948
 949   EL_AMOEBA_DROP,
 950   EL_AMOEBA_DEAD,
 951   EL_AMOEBA_WET,
 952   EL_AMOEBA_DRY,
 953
 954   EL_EM_KEY_1_FILE,
 955   EL_EM_KEY_2_FILE,
 956   EL_EM_KEY_3_FILE,
 957   EL_EM_KEY_4_FILE,
 958
 959   EL_EM_GATE_1,
 960   EL_EM_GATE_2,
 961   EL_EM_GATE_3,
 962   EL_EM_GATE_4,
 963
 964   EL_EM_GATE_1_GRAY,
 965   EL_EM_GATE_2_GRAY,
 966   EL_EM_GATE_3_GRAY,
 967   EL_EM_GATE_4_GRAY,
 968 };
 969 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
 970
 971 static int editor_el_more[] =
 972 {
 973   EL_CHAR('M'),
 974   EL_CHAR('O'),
 975   EL_CHAR('R'),
 976   EL_CHAR('E'),
 977
 978   EL_KEY_1,
 979   EL_KEY_2,
 980   EL_KEY_3,
 981   EL_KEY_4,
 982
 983   EL_GATE_1,
 984   EL_GATE_2,
 985   EL_GATE_3,
 986   EL_GATE_4,
 987
 988   EL_GATE_1_GRAY,
 989   EL_GATE_2_GRAY,
 990   EL_GATE_3_GRAY,
 991   EL_GATE_4_GRAY,
 992
 993   EL_ARROW_LEFT,
 994   EL_ARROW_RIGHT,
 995   EL_ARROW_UP,
 996   EL_ARROW_DOWN,
 997
 998   EL_AMOEBA_FULL,
 999   EL_EMERALD_YELLOW,
1000   EL_EMERALD_RED,
1001   EL_EMERALD_PURPLE,
1002
1003   EL_WALL_BD_DIAMOND,
1004   EL_WALL_EMERALD_YELLOW,
1005   EL_WALL_EMERALD_RED,
1006   EL_WALL_EMERALD_PURPLE,
1007
1008   EL_GAME_OF_LIFE,
1009   EL_PACMAN_UP,
1010   EL_TIME_ORB_FULL,
1011   EL_TIME_ORB_EMPTY,
1012
1013   EL_PACMAN_LEFT,
1014   EL_DARK_YAMYAM,
1015   EL_PACMAN_RIGHT,
1016   EL_EXPANDABLE_WALL,
1017
1018   EL_BIOMAZE,
1019   EL_PACMAN_DOWN,
1020   EL_LAMP,
1021   EL_LAMP_ACTIVE,
1022
1023   EL_DYNABOMB_INCREASE_NUMBER,
1024   EL_DYNABOMB_INCREASE_SIZE,
1025   EL_DYNABOMB_INCREASE_POWER,
1026   EL_STONEBLOCK,
1027
1028   EL_MOLE,
1029   EL_PENGUIN,
1030   EL_PIG,
1031   EL_DRAGON,
1032
1033   EL_EMPTY,
1034   EL_MOLE_UP,
1035   EL_EMPTY,
1036   EL_EMPTY,
1037
1038   EL_MOLE_LEFT,
1039   EL_EMPTY,
1040   EL_MOLE_RIGHT,
1041   EL_EMPTY,
1042
1043   EL_EMPTY,
1044   EL_MOLE_DOWN,
1045   EL_BALLOON,
1046   EL_BALLOON_SWITCH_ANY,
1047
1048   EL_BALLOON_SWITCH_LEFT,
1049   EL_BALLOON_SWITCH_RIGHT,
1050   EL_BALLOON_SWITCH_UP,
1051   EL_BALLOON_SWITCH_DOWN,
1052
1053   EL_SATELLITE,
1054   EL_EXPANDABLE_WALL_HORIZONTAL,
1055   EL_EXPANDABLE_WALL_VERTICAL,
1056   EL_EXPANDABLE_WALL_ANY,
1057
1058   EL_INVISIBLE_STEELWALL,
1059   EL_INVISIBLE_WALL,
1060   EL_SPEED_PILL,
1061   EL_BLACK_ORB,
1062
1063   EL_EMC_STEELWALL_1,
1064   EL_EMC_WALL_1,
1065   EL_EMC_WALL_2,
1066   EL_EMC_WALL_3,
1067
1068   EL_EMC_WALL_4,
1069   EL_EMC_WALL_5,
1070   EL_EMC_WALL_6,
1071   EL_EMC_WALL_7,
1072 };
1073 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1074
1075 static int editor_el_sokoban[] =
1076 {
1077   EL_CHAR('S'),
1078   EL_CHAR('O'),
1079   EL_CHAR('K'),
1080   EL_CHAR('O'),
1081
1082   EL_CHAR('-'),
1083   EL_CHAR('B'),
1084   EL_CHAR('A'),
1085   EL_CHAR('N'),
1086
1087   EL_SOKOBAN_OBJECT,
1088   EL_SOKOBAN_FIELD_EMPTY,
1089   EL_SOKOBAN_FIELD_FULL,
1090   EL_STEELWALL,
1091 };
1092 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1093
1094 static int editor_el_supaplex[] =
1095 {
1096   EL_CHAR('S'),
1097   EL_CHAR('U'),
1098   EL_CHAR('P'),
1099   EL_CHAR('A'),
1100
1101   EL_CHAR('P'),
1102   EL_CHAR('L'),
1103   EL_CHAR('E'),
1104   EL_CHAR('X'),
1105
1106   EL_SP_EMPTY,
1107   EL_SP_ZONK,
1108   EL_SP_BASE,
1109   EL_SP_MURPHY,
1110
1111   EL_SP_INFOTRON,
1112   EL_SP_CHIP_SINGLE,
1113   EL_SP_HARDWARE_GRAY,
1114   EL_SP_EXIT_CLOSED,
1115
1116   EL_SP_DISK_ORANGE,
1117   EL_SP_PORT_RIGHT,
1118   EL_SP_PORT_DOWN,
1119   EL_SP_PORT_LEFT,
1120
1121   EL_SP_PORT_UP,
1122   EL_SP_GRAVITY_PORT_RIGHT,
1123   EL_SP_GRAVITY_PORT_DOWN,
1124   EL_SP_GRAVITY_PORT_LEFT,
1125
1126   EL_SP_GRAVITY_PORT_UP,
1127   EL_SP_SNIKSNAK,
1128   EL_SP_DISK_YELLOW,
1129   EL_SP_TERMINAL,
1130
1131   EL_SP_DISK_RED,
1132   EL_SP_PORT_VERTICAL,
1133   EL_SP_PORT_HORIZONTAL,
1134   EL_SP_PORT_ANY,
1135
1136   EL_SP_ELECTRON,
1137   EL_SP_BUGGY_BASE,
1138   EL_SP_CHIP_LEFT,
1139   EL_SP_CHIP_RIGHT,
1140
1141   EL_SP_HARDWARE_BASE_1,
1142   EL_SP_HARDWARE_GREEN,
1143   EL_SP_HARDWARE_BLUE,
1144   EL_SP_HARDWARE_RED,
1145
1146   EL_SP_HARDWARE_YELLOW,
1147   EL_SP_HARDWARE_BASE_2,
1148   EL_SP_HARDWARE_BASE_3,
1149   EL_SP_HARDWARE_BASE_4,
1150
1151   EL_SP_HARDWARE_BASE_5,
1152   EL_SP_HARDWARE_BASE_6,
1153   EL_SP_CHIP_TOP,
1154   EL_SP_CHIP_BOTTOM,
1155 };
1156 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1157
1158 static int editor_el_diamond_caves[] =
1159 {
1160   EL_CHAR('D'),
1161   EL_CHAR('I'),
1162   EL_CHAR('A'),
1163   EL_CHAR('-'),
1164
1165   EL_CHAR('M'),
1166   EL_CHAR('O'),
1167   EL_CHAR('N'),
1168   EL_CHAR('D'),
1169
1170   EL_CHAR('C'),
1171   EL_CHAR('A'),
1172   EL_CHAR('V'),
1173   EL_CHAR('E'),
1174
1175   EL_CHAR('S'),
1176   EL_CHAR(' '),
1177   EL_CHAR('I'),
1178   EL_CHAR('I'),
1179
1180   EL_PEARL,
1181   EL_CRYSTAL,
1182   EL_WALL_PEARL,
1183   EL_WALL_CRYSTAL,
1184
1185   EL_CONVEYOR_BELT_1_LEFT,
1186   EL_CONVEYOR_BELT_1_MIDDLE,
1187   EL_CONVEYOR_BELT_1_RIGHT,
1188   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1189
1190   EL_CONVEYOR_BELT_2_LEFT,
1191   EL_CONVEYOR_BELT_2_MIDDLE,
1192   EL_CONVEYOR_BELT_2_RIGHT,
1193   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1194
1195   EL_CONVEYOR_BELT_3_LEFT,
1196   EL_CONVEYOR_BELT_3_MIDDLE,
1197   EL_CONVEYOR_BELT_3_RIGHT,
1198   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1199
1200   EL_CONVEYOR_BELT_4_LEFT,
1201   EL_CONVEYOR_BELT_4_MIDDLE,
1202   EL_CONVEYOR_BELT_4_RIGHT,
1203   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1204
1205   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1206   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1207   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1208   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1209
1210   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1211   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1212   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1213   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1214
1215   EL_SWITCHGATE_OPEN,
1216   EL_SWITCHGATE_CLOSED,
1217   EL_SWITCHGATE_SWITCH_UP,
1218   EL_ENVELOPE,
1219
1220   EL_TIMEGATE_CLOSED,
1221   EL_TIMEGATE_OPEN,
1222   EL_TIMEGATE_SWITCH,
1223   EL_EMPTY,
1224
1225   EL_LANDMINE,
1226   EL_INVISIBLE_SAND,
1227   EL_STEELWALL_SLANTED,
1228   EL_EMPTY,
1229
1230   EL_SIGN_EXCLAMATION,
1231   EL_SIGN_STOP,
1232   EL_LIGHT_SWITCH,
1233   EL_LIGHT_SWITCH_ACTIVE,
1234
1235   EL_SHIELD_NORMAL,
1236   EL_SHIELD_DEADLY,
1237   EL_EXTRA_TIME,
1238   EL_EMPTY,
1239 };
1240 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1241
1242 static int editor_el_dx_boulderdash[] =
1243 {
1244   EL_CHAR('D'),
1245   EL_CHAR('X'),
1246   EL_CHAR('-'),
1247   EL_CHAR(' '),
1248
1249   EL_CHAR('B'),
1250   EL_CHAR('O'),
1251   EL_CHAR('U'),
1252   EL_CHAR('L'),
1253
1254   EL_CHAR('-'),
1255   EL_CHAR('D'),
1256   EL_CHAR('E'),
1257   EL_CHAR('R'),
1258
1259   EL_CHAR('D'),
1260   EL_CHAR('A'),
1261   EL_CHAR('S'),
1262   EL_CHAR('H'),
1263
1264   EL_SPRING,
1265   EL_TUBE_RIGHT_DOWN,
1266   EL_TUBE_HORIZONTAL_DOWN,
1267   EL_TUBE_LEFT_DOWN,
1268
1269   EL_TUBE_HORIZONTAL,
1270   EL_TUBE_VERTICAL_RIGHT,
1271   EL_TUBE_ANY,
1272   EL_TUBE_VERTICAL_LEFT,
1273
1274   EL_TUBE_VERTICAL,
1275   EL_TUBE_RIGHT_UP,
1276   EL_TUBE_HORIZONTAL_UP,
1277   EL_TUBE_LEFT_UP,
1278
1279   EL_TRAP,
1280   EL_DX_SUPABOMB,
1281   EL_EMPTY,
1282   EL_EMPTY
1283 };
1284 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
1285
1286 static int editor_el_chars[] =
1287 {
1288   EL_CHAR('T'),
1289   EL_CHAR('E'),
1290   EL_CHAR('X'),
1291   EL_CHAR('T'),
1292
1293   EL_CHAR(' '),
1294   EL_CHAR('!'),
1295   EL_CHAR('"'),
1296   EL_CHAR('#'),
1297
1298   EL_CHAR('$'),
1299   EL_CHAR('%'),
1300   EL_CHAR('&'),
1301   EL_CHAR('\''),
1302
1303   EL_CHAR('('),
1304   EL_CHAR(')'),
1305   EL_CHAR('*'),
1306   EL_CHAR('+'),
1307
1308   EL_CHAR(','),
1309   EL_CHAR('-'),
1310   EL_CHAR('.'),
1311   EL_CHAR('/'),
1312
1313   EL_CHAR('0'),
1314   EL_CHAR('1'),
1315   EL_CHAR('2'),
1316   EL_CHAR('3'),
1317
1318   EL_CHAR('4'),
1319   EL_CHAR('5'),
1320   EL_CHAR('6'),
1321   EL_CHAR('7'),
1322
1323   EL_CHAR('8'),
1324   EL_CHAR('9'),
1325   EL_CHAR(':'),
1326   EL_CHAR(';'),
1327
1328   EL_CHAR('<'),
1329   EL_CHAR('='),
1330   EL_CHAR('>'),
1331   EL_CHAR('?'),
1332
1333   EL_CHAR('@'),
1334   EL_CHAR('A'),
1335   EL_CHAR('B'),
1336   EL_CHAR('C'),
1337
1338   EL_CHAR('D'),
1339   EL_CHAR('E'),
1340   EL_CHAR('F'),
1341   EL_CHAR('G'),
1342
1343   EL_CHAR('H'),
1344   EL_CHAR('I'),
1345   EL_CHAR('J'),
1346   EL_CHAR('K'),
1347
1348   EL_CHAR('L'),
1349   EL_CHAR('M'),
1350   EL_CHAR('N'),
1351   EL_CHAR('O'),
1352
1353   EL_CHAR('P'),
1354   EL_CHAR('Q'),
1355   EL_CHAR('R'),
1356   EL_CHAR('S'),
1357
1358   EL_CHAR('T'),
1359   EL_CHAR('U'),
1360   EL_CHAR('V'),
1361   EL_CHAR('W'),
1362
1363   EL_CHAR('X'),
1364   EL_CHAR('Y'),
1365   EL_CHAR('Z'),
1366   EL_CHAR('['),
1367
1368   EL_CHAR('\\'),
1369   EL_CHAR(']'),
1370   EL_CHAR('^'),
1371   EL_CHAR('_'),
1372
1373   EL_CHAR('©'),
1374   EL_CHAR('Ä'),
1375   EL_CHAR('Ö'),
1376   EL_CHAR('Ü'),
1377
1378   EL_CHAR('°'),
1379   EL_CHAR('®'),
1380   EL_CHAR(FONT_ASCII_CURSOR),
1381   EL_CHAR(' ')
1382 };
1383 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
1384
1385 static int editor_el_custom[] =
1386 {
1387   EL_CHAR('C'),
1388   EL_CHAR('U'),
1389   EL_CHAR('S'),
1390   EL_CHAR('-'),
1391
1392   EL_CHAR('T'),
1393   EL_CHAR('O'),
1394   EL_CHAR('M'),
1395   EL_CHAR(' '),
1396
1397   EL_CHAR('E'),
1398   EL_CHAR('L'),
1399   EL_CHAR('E'),
1400   EL_CHAR('M'),
1401
1402   EL_CHAR('E'),
1403   EL_CHAR('N'),
1404   EL_CHAR('T'),
1405   EL_CHAR('S'),
1406
1407   EL_CUSTOM_START + 0,
1408   EL_CUSTOM_START + 1,
1409   EL_CUSTOM_START + 2,
1410   EL_CUSTOM_START + 3,
1411
1412   EL_CUSTOM_START + 4,
1413   EL_CUSTOM_START + 5,
1414   EL_CUSTOM_START + 6,
1415   EL_CUSTOM_START + 7,
1416
1417   EL_CUSTOM_START + 8,
1418   EL_CUSTOM_START + 9,
1419   EL_CUSTOM_START + 10,
1420   EL_CUSTOM_START + 11,
1421
1422   EL_CUSTOM_START + 12,
1423   EL_CUSTOM_START + 13,
1424   EL_CUSTOM_START + 14,
1425   EL_CUSTOM_START + 15,
1426
1427   EL_CUSTOM_START + 16,
1428   EL_CUSTOM_START + 17,
1429   EL_CUSTOM_START + 18,
1430   EL_CUSTOM_START + 19,
1431
1432   EL_CUSTOM_START + 20,
1433   EL_CUSTOM_START + 21,
1434   EL_CUSTOM_START + 22,
1435   EL_CUSTOM_START + 23,
1436
1437   EL_CUSTOM_START + 24,
1438   EL_CUSTOM_START + 25,
1439   EL_CUSTOM_START + 26,
1440   EL_CUSTOM_START + 27,
1441
1442   EL_CUSTOM_START + 28,
1443   EL_CUSTOM_START + 29,
1444   EL_CUSTOM_START + 30,
1445   EL_CUSTOM_START + 31,
1446
1447   EL_CUSTOM_START + 32,
1448   EL_CUSTOM_START + 33,
1449   EL_CUSTOM_START + 34,
1450   EL_CUSTOM_START + 35,
1451
1452   EL_CUSTOM_START + 36,
1453   EL_CUSTOM_START + 37,
1454   EL_CUSTOM_START + 38,
1455   EL_CUSTOM_START + 39,
1456
1457   EL_CUSTOM_START + 40,
1458   EL_CUSTOM_START + 41,
1459   EL_CUSTOM_START + 42,
1460   EL_CUSTOM_START + 43,
1461
1462   EL_CUSTOM_START + 44,
1463   EL_CUSTOM_START + 45,
1464   EL_CUSTOM_START + 46,
1465   EL_CUSTOM_START + 47,
1466
1467   EL_CUSTOM_START + 48,
1468   EL_CUSTOM_START + 49,
1469   EL_CUSTOM_START + 50,
1470   EL_CUSTOM_START + 51,
1471
1472   EL_CUSTOM_START + 52,
1473   EL_CUSTOM_START + 53,
1474   EL_CUSTOM_START + 54,
1475   EL_CUSTOM_START + 55,
1476
1477   EL_CUSTOM_START + 56,
1478   EL_CUSTOM_START + 57,
1479   EL_CUSTOM_START + 58,
1480   EL_CUSTOM_START + 59,
1481
1482   EL_CUSTOM_START + 60,
1483   EL_CUSTOM_START + 61,
1484   EL_CUSTOM_START + 62,
1485   EL_CUSTOM_START + 63,
1486
1487   EL_CUSTOM_START + 64,
1488   EL_CUSTOM_START + 65,
1489   EL_CUSTOM_START + 66,
1490   EL_CUSTOM_START + 67,
1491
1492   EL_CUSTOM_START + 68,
1493   EL_CUSTOM_START + 69,
1494   EL_CUSTOM_START + 70,
1495   EL_CUSTOM_START + 71,
1496
1497   EL_CUSTOM_START + 72,
1498   EL_CUSTOM_START + 73,
1499   EL_CUSTOM_START + 74,
1500   EL_CUSTOM_START + 75,
1501
1502   EL_CUSTOM_START + 76,
1503   EL_CUSTOM_START + 77,
1504   EL_CUSTOM_START + 78,
1505   EL_CUSTOM_START + 79,
1506
1507   EL_CUSTOM_START + 80,
1508   EL_CUSTOM_START + 81,
1509   EL_CUSTOM_START + 82,
1510   EL_CUSTOM_START + 83,
1511
1512   EL_CUSTOM_START + 84,
1513   EL_CUSTOM_START + 85,
1514   EL_CUSTOM_START + 86,
1515   EL_CUSTOM_START + 87,
1516
1517   EL_CUSTOM_START + 88,
1518   EL_CUSTOM_START + 89,
1519   EL_CUSTOM_START + 90,
1520   EL_CUSTOM_START + 91,
1521
1522   EL_CUSTOM_START + 92,
1523   EL_CUSTOM_START + 93,
1524   EL_CUSTOM_START + 94,
1525   EL_CUSTOM_START + 95,
1526
1527   EL_CUSTOM_START + 96,
1528   EL_CUSTOM_START + 97,
1529   EL_CUSTOM_START + 98,
1530   EL_CUSTOM_START + 99,
1531
1532   EL_CUSTOM_START + 100,
1533   EL_CUSTOM_START + 101,
1534   EL_CUSTOM_START + 102,
1535   EL_CUSTOM_START + 103,
1536
1537   EL_CUSTOM_START + 104,
1538   EL_CUSTOM_START + 105,
1539   EL_CUSTOM_START + 106,
1540   EL_CUSTOM_START + 107,
1541
1542   EL_CUSTOM_START + 108,
1543   EL_CUSTOM_START + 109,
1544   EL_CUSTOM_START + 110,
1545   EL_CUSTOM_START + 111,
1546
1547   EL_CUSTOM_START + 112,
1548   EL_CUSTOM_START + 113,
1549   EL_CUSTOM_START + 114,
1550   EL_CUSTOM_START + 115,
1551
1552   EL_CUSTOM_START + 116,
1553   EL_CUSTOM_START + 117,
1554   EL_CUSTOM_START + 118,
1555   EL_CUSTOM_START + 119,
1556
1557   EL_CUSTOM_START + 120,
1558   EL_CUSTOM_START + 121,
1559   EL_CUSTOM_START + 122,
1560   EL_CUSTOM_START + 123,
1561
1562   EL_CUSTOM_START + 124,
1563   EL_CUSTOM_START + 125,
1564   EL_CUSTOM_START + 126,
1565   EL_CUSTOM_START + 127
1566 };
1567 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
1568
1569 static int *editor_elements = NULL;     /* dynamically allocated */
1570 static int num_editor_elements = 0;     /* dynamically determined */
1571
1572 static struct
1573 {
1574   boolean *setup_value;
1575   int *element_list;
1576   int *element_list_size;
1577
1578   boolean last_setup_value;
1579 }
1580 editor_elements_info[] =
1581 {
1582   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
1583     &num_editor_el_boulderdash                                          },
1584   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
1585     &num_editor_el_emerald_mine                                         },
1586   { &setup.editor.el_more,              editor_el_more,
1587     &num_editor_el_more                                                 },
1588   { &setup.editor.el_sokoban,           editor_el_sokoban,
1589     &num_editor_el_sokoban                                              },
1590   { &setup.editor.el_supaplex,          editor_el_supaplex,
1591     &num_editor_el_supaplex                                             },
1592   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
1593     &num_editor_el_diamond_caves                                        },
1594   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
1595     &num_editor_el_dx_boulderdash                                       },
1596   { &setup.editor.el_chars,             editor_el_chars,
1597     &num_editor_el_chars                                                },
1598   { &setup.editor.el_custom,            editor_el_custom,
1599     &num_editor_el_custom                                               },
1600   { NULL,                               NULL,
1601     NULL                                                                }
1602 };
1603
1604 static void ReinitializeElementList()
1605 {
1606   int pos = 0;
1607   int i, j;
1608
1609   if (editor_elements != NULL)
1610     free(editor_elements);
1611
1612   num_editor_elements = 0;
1613
1614   /* determine size of element list */
1615   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1616     if (*editor_elements_info[i].setup_value)
1617       num_editor_elements += *editor_elements_info[i].element_list_size;
1618
1619   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
1620   {
1621     /* workaround: offer at least as many elements as element buttons exist */
1622     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
1623
1624     *editor_elements_info[list_nr].setup_value = TRUE;
1625     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
1626   }
1627
1628   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
1629
1630   /* fill element list */
1631   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1632     if (*editor_elements_info[i].setup_value)
1633       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
1634         editor_elements[pos++] = editor_elements_info[i].element_list[j];
1635 }
1636
1637 static void ReinitializeElementListButtons()
1638 {
1639   static boolean initialization_needed = TRUE;
1640   int i;
1641
1642   if (!initialization_needed)   /* check if editor element setup has changed */
1643     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1644       if (editor_elements_info[i].last_setup_value !=
1645           *editor_elements_info[i].setup_value)
1646         initialization_needed = TRUE;
1647
1648   if (!initialization_needed)
1649     return;
1650
1651   FreeLevelEditorGadgets();
1652   CreateLevelEditorGadgets();
1653
1654   /* store current setup values for next invocation of this function */
1655   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1656     editor_elements_info[i].last_setup_value =
1657       *editor_elements_info[i].setup_value;
1658
1659   initialization_needed = FALSE;
1660 }
1661
1662 static int getCounterGadgetWidth()
1663 {
1664   return (DXSIZE + getFontWidth(FONT_INPUT) - 2 * ED_GADGET_DISTANCE);
1665 }
1666
1667 static int getMaxInfoTextLength()
1668 {
1669   return (SXSIZE / getFontWidth(FONT_TEXT_2));
1670 }
1671
1672 static char *getElementInfoText(int element)
1673 {
1674   char *info_text = NULL;
1675
1676   if (element < NUM_FILE_ELEMENTS)
1677   {
1678     if (element_info[element].custom_description != NULL)
1679       info_text = element_info[element].custom_description;
1680     else if (element_info[element].editor_description != NULL)
1681       info_text = element_info[element].editor_description;
1682   }
1683
1684   if (info_text == NULL)
1685   {
1686     info_text = "unknown";
1687
1688     Error(ERR_WARN, "no element description for element %d", element);
1689   }
1690
1691   return info_text;
1692 }
1693
1694 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
1695 {
1696   int x,y;
1697   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
1698   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
1699
1700   BlitBitmap(drawto, drawto,
1701              SX + (dx == -1 ? MINI_TILEX : 0),
1702              SY + (dy == -1 ? MINI_TILEY : 0),
1703              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
1704              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
1705              SX + (dx == +1 ? MINI_TILEX : 0),
1706              SY + (dy == +1 ? MINI_TILEY : 0));
1707   if (dx)
1708   {
1709     x = (dx == 1 ? 0 : ed_fieldx - 1);
1710     for(y=0; y<ed_fieldy; y++)
1711       DrawMiniElementOrWall(x, y, from_x, from_y);
1712   }
1713   else if (dy)
1714   {
1715     y = (dy == 1 ? 0 : ed_fieldy - 1);
1716     for(x=0; x<ed_fieldx; x++)
1717       DrawMiniElementOrWall(x, y, from_x, from_y);
1718   }
1719
1720   redraw_mask |= REDRAW_FIELD;
1721   BackToFront();
1722 }
1723
1724 static void CreateControlButtons()
1725 {
1726   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
1727   struct GadgetInfo *gi;
1728   unsigned long event_mask;
1729   int i;
1730
1731   /* create toolbox buttons */
1732   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
1733   {
1734     int id = i;
1735     int width, height;
1736     int gd_xoffset, gd_yoffset;
1737     int gd_x1, gd_x2, gd_y1, gd_y2;
1738     int button_type;
1739     int radio_button_nr;
1740     boolean checked;
1741
1742     if (id == GADGET_ID_SINGLE_ITEMS ||
1743         id == GADGET_ID_CONNECTED_ITEMS ||
1744         id == GADGET_ID_LINE ||
1745         id == GADGET_ID_ARC ||
1746         id == GADGET_ID_TEXT ||
1747         id == GADGET_ID_RECTANGLE ||
1748         id == GADGET_ID_FILLED_BOX ||
1749         id == GADGET_ID_FLOOD_FILL ||
1750         id == GADGET_ID_GRAB_BRUSH ||
1751         id == GADGET_ID_PICK_ELEMENT)
1752     {
1753       button_type = GD_TYPE_RADIO_BUTTON;
1754       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
1755       checked = (id == drawing_function ? TRUE : FALSE);
1756       event_mask = GD_EVENT_PRESSED;
1757     }
1758     else
1759     {
1760       button_type = GD_TYPE_NORMAL_BUTTON;
1761       radio_button_nr = RADIO_NR_NONE;
1762       checked = FALSE;
1763
1764       if (id == GADGET_ID_WRAP_LEFT ||
1765           id == GADGET_ID_WRAP_RIGHT ||
1766           id == GADGET_ID_WRAP_UP ||
1767           id == GADGET_ID_WRAP_DOWN)
1768         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1769       else
1770         event_mask = GD_EVENT_RELEASED;
1771     }
1772
1773     if (id < ED_NUM_CTRL1_BUTTONS)
1774     {
1775       int x = i % ED_CTRL1_BUTTONS_HORIZ;
1776       int y = i / ED_CTRL1_BUTTONS_HORIZ;
1777
1778       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
1779       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
1780       width = ED_CTRL1_BUTTON_XSIZE;
1781       height = ED_CTRL1_BUTTON_YSIZE;
1782     }
1783     else
1784     {
1785       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
1786       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
1787
1788       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
1789       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
1790       width = ED_CTRL2_BUTTON_XSIZE;
1791       height = ED_CTRL2_BUTTON_YSIZE;
1792     }
1793
1794     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
1795     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
1796     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
1797     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
1798
1799     gi = CreateGadget(GDI_CUSTOM_ID, id,
1800                       GDI_CUSTOM_TYPE_ID, i,
1801                       GDI_INFO_TEXT, control_info[i].text,
1802                       GDI_X, EX + gd_xoffset,
1803                       GDI_Y, EY + gd_yoffset,
1804                       GDI_WIDTH, width,
1805                       GDI_HEIGHT, height,
1806                       GDI_TYPE, button_type,
1807                       GDI_STATE, GD_BUTTON_UNPRESSED,
1808                       GDI_RADIO_NR, radio_button_nr,
1809                       GDI_CHECKED, checked,
1810                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
1811                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
1812                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
1813                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
1814                       GDI_EVENT_MASK, event_mask,
1815                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1816                       GDI_CALLBACK_ACTION, HandleControlButtons,
1817                       GDI_END);
1818
1819     if (gi == NULL)
1820       Error(ERR_EXIT, "cannot create gadget");
1821
1822     level_editor_gadget[id] = gi;
1823   }
1824
1825   /* create buttons for scrolling of drawing area and element list */
1826   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
1827   {
1828     int id = scrollbutton_info[i].gadget_id;
1829     int x, y, width, height;
1830     int gd_x1, gd_x2, gd_y1, gd_y2;
1831
1832     x = scrollbutton_info[i].x;
1833     y = scrollbutton_info[i].y;
1834
1835     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1836
1837     if (id == GADGET_ID_SCROLL_LIST_UP ||
1838         id == GADGET_ID_SCROLL_LIST_DOWN)
1839     {
1840       x += DX;
1841       y += DY;
1842       width = ED_SCROLLBUTTON2_XSIZE;
1843       height = ED_SCROLLBUTTON2_YSIZE;
1844       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
1845       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
1846       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
1847       gd_y2 = gd_y1;
1848     }
1849     else
1850     {
1851       x += SX;
1852       y += SY;
1853       width = ED_SCROLLBUTTON_XSIZE;
1854       height = ED_SCROLLBUTTON_YSIZE;
1855       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
1856       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
1857       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
1858       gd_y2 = gd_y1;
1859     }
1860
1861     gi = CreateGadget(GDI_CUSTOM_ID, id,
1862                       GDI_CUSTOM_TYPE_ID, i,
1863                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
1864                       GDI_X, x,
1865                       GDI_Y, y,
1866                       GDI_WIDTH, width,
1867                       GDI_HEIGHT, height,
1868                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1869                       GDI_STATE, GD_BUTTON_UNPRESSED,
1870                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
1871                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
1872                       GDI_EVENT_MASK, event_mask,
1873                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1874                       GDI_CALLBACK_ACTION, HandleControlButtons,
1875                       GDI_END);
1876
1877     if (gi == NULL)
1878       Error(ERR_EXIT, "cannot create gadget");
1879
1880     level_editor_gadget[id] = gi;
1881   }
1882
1883   /* create buttons for element list */
1884   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
1885   {
1886     Bitmap *deco_bitmap;
1887     int deco_x, deco_y, deco_xpos, deco_ypos;
1888     int gd_xoffset, gd_yoffset;
1889     int gd_x1, gd_x2, gd_y;
1890     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
1891     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
1892     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
1893     int element = editor_elements[i];
1894
1895     event_mask = GD_EVENT_RELEASED;
1896
1897     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
1898     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
1899
1900     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
1901     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
1902     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
1903
1904     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
1905     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
1906     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
1907
1908     gi = CreateGadget(GDI_CUSTOM_ID, id,
1909                       GDI_CUSTOM_TYPE_ID, i,
1910                       GDI_INFO_TEXT, getElementInfoText(element),
1911                       GDI_X, DX + gd_xoffset,
1912                       GDI_Y, DY + gd_yoffset,
1913                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
1914                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
1915                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1916                       GDI_STATE, GD_BUTTON_UNPRESSED,
1917                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
1918                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
1919                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
1920                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
1921                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
1922                       GDI_DECORATION_SHIFTING, 1, 1,
1923                       GDI_EVENT_MASK, event_mask,
1924                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1925                       GDI_CALLBACK_ACTION, HandleControlButtons,
1926                       GDI_END);
1927
1928     if (gi == NULL)
1929       Error(ERR_EXIT, "cannot create gadget");
1930
1931     level_editor_gadget[id] = gi;
1932   }
1933 }
1934
1935 static void CreateCounterButtons()
1936 {
1937   int max_infotext_len = getMaxInfoTextLength();
1938   int i;
1939
1940   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
1941   {
1942     int j;
1943     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
1944     int ypos = SY + counterbutton_info[i].y;
1945
1946     for (j=0; j<2; j++)
1947     {
1948       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
1949       struct GadgetInfo *gi;
1950       int id = (j == 0 ?
1951                 counterbutton_info[i].gadget_id_down :
1952                 counterbutton_info[i].gadget_id_up);
1953       int gd_xoffset;
1954       int gd_x, gd_x1, gd_x2, gd_y;
1955       int x_size, y_size;
1956       unsigned long event_mask;
1957       char infotext[max_infotext_len + 1];
1958
1959       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1960
1961       if (i == ED_COUNTER_ID_SELECT_LEVEL)
1962       {
1963         int sid = (j == 0 ?
1964                    ED_SCROLLBUTTON_ID_AREA_LEFT :
1965                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
1966
1967         event_mask |= GD_EVENT_RELEASED;
1968
1969         if (j == 1)
1970           xpos += 2 * ED_GADGET_DISTANCE;
1971         ypos += ED_GADGET_DISTANCE;
1972
1973         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].xpos;
1974         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
1975         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].ypos;
1976         x_size = ED_SCROLLBUTTON_XSIZE;
1977         y_size = ED_SCROLLBUTTON_YSIZE;
1978       }
1979       else
1980       {
1981         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
1982         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
1983         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
1984         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
1985         x_size = ED_BUTTON_COUNT_XSIZE;
1986         y_size = ED_BUTTON_COUNT_YSIZE;
1987       }
1988
1989       sprintf(infotext, "%s counter value by 1, 5 or 10",
1990               (j == 0 ? "decrease" : "increase"));
1991
1992       gi = CreateGadget(GDI_CUSTOM_ID, id,
1993                         GDI_CUSTOM_TYPE_ID, i,
1994                         GDI_INFO_TEXT, infotext,
1995                         GDI_X, xpos,
1996                         GDI_Y, ypos,
1997                         GDI_WIDTH, x_size,
1998                         GDI_HEIGHT, y_size,
1999                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2000                         GDI_STATE, GD_BUTTON_UNPRESSED,
2001                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2002                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2003                         GDI_EVENT_MASK, event_mask,
2004                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2005                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2006                         GDI_END);
2007
2008       if (gi == NULL)
2009         Error(ERR_EXIT, "cannot create gadget");
2010
2011       level_editor_gadget[id] = gi;
2012       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
2013
2014       if (j == 0)
2015       {
2016         int font_type = FONT_INPUT;
2017         int gd_width = ED_WIN_COUNT_XSIZE;
2018
2019         id = counterbutton_info[i].gadget_id_text;
2020         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2021
2022         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2023         {
2024           font_type = FONT_LEVEL_NUMBER;
2025
2026           xpos += 2 * ED_GADGET_DISTANCE;
2027           ypos -= ED_GADGET_DISTANCE;
2028
2029           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2030           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2031           gd_width = ED_WIN_COUNT2_XSIZE;
2032         }
2033         else
2034         {
2035           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2036           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2037         }
2038
2039         gi = CreateGadget(GDI_CUSTOM_ID, id,
2040                           GDI_CUSTOM_TYPE_ID, i,
2041                           GDI_INFO_TEXT, "enter counter value",
2042                           GDI_X, xpos,
2043                           GDI_Y, ypos,
2044                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2045                           GDI_NUMBER_VALUE, 0,
2046                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2047                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2048                           GDI_TEXT_SIZE, 3,
2049                           GDI_TEXT_FONT, font_type,
2050                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2051                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2052                           GDI_BORDER_SIZE, ED_BORDER_SIZE,
2053                           GDI_TEXTINPUT_DESIGN_WIDTH, gd_width,
2054                           GDI_EVENT_MASK, event_mask,
2055                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2056                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2057                           GDI_END);
2058
2059         if (gi == NULL)
2060           Error(ERR_EXIT, "cannot create gadget");
2061
2062         level_editor_gadget[id] = gi;
2063         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
2064       }
2065     }
2066   }
2067 }
2068
2069 static void CreateDrawingAreas()
2070 {
2071   struct GadgetInfo *gi;
2072   unsigned long event_mask;
2073   int id;
2074   int i;
2075
2076   event_mask =
2077     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
2078     GD_EVENT_OFF_BORDERS;
2079
2080   /* one for the level drawing area ... */
2081   id = GADGET_ID_DRAWING_LEVEL;
2082   gi = CreateGadget(GDI_CUSTOM_ID, id,
2083                     GDI_X, SX,
2084                     GDI_Y, SY,
2085                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2086                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2087                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2088                     GDI_EVENT_MASK, event_mask,
2089                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2090                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2091                     GDI_END);
2092
2093   if (gi == NULL)
2094     Error(ERR_EXIT, "cannot create gadget");
2095
2096   level_editor_gadget[id] = gi;
2097
2098   /* ... up to eight areas for element content ... */
2099   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2100   {
2101     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
2102     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
2103
2104     id = GADGET_ID_ELEM_CONTENT_0 + i;
2105     gi = CreateGadget(GDI_CUSTOM_ID, id,
2106                       GDI_CUSTOM_TYPE_ID, i,
2107                       GDI_X, gx,
2108                       GDI_Y, gy,
2109                       GDI_WIDTH, 3 * MINI_TILEX,
2110                       GDI_HEIGHT, 3 * MINI_TILEY,
2111                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2112                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2113                       GDI_EVENT_MASK, event_mask,
2114                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2115                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2116                       GDI_END);
2117
2118     if (gi == NULL)
2119       Error(ERR_EXIT, "cannot create gadget");
2120
2121     level_editor_gadget[id] = gi;
2122   }
2123
2124   /* ... one for the amoeba content */
2125   id = GADGET_ID_AMOEBA_CONTENT;
2126   gi = CreateGadget(GDI_CUSTOM_ID, id,
2127                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2128                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2129                     GDI_WIDTH, MINI_TILEX,
2130                     GDI_HEIGHT, MINI_TILEY,
2131                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2132                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2133                     GDI_EVENT_MASK, event_mask,
2134                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2135                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2136                     GDI_END);
2137
2138   if (gi == NULL)
2139     Error(ERR_EXIT, "cannot create gadget");
2140
2141   level_editor_gadget[id] = gi;
2142
2143   /* ... and one for random placement background restrictions */
2144
2145   id = GADGET_ID_RANDOM_BACKGROUND;
2146   gi = CreateGadget(GDI_CUSTOM_ID, id,
2147                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2148                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2149                     GDI_WIDTH, MINI_TILEX,
2150                     GDI_HEIGHT, MINI_TILEY,
2151                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2152                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2153                     GDI_EVENT_MASK, event_mask,
2154                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2155                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2156                     GDI_END);
2157
2158   if (gi == NULL)
2159     Error(ERR_EXIT, "cannot create gadget");
2160
2161   level_editor_gadget[id] = gi;
2162 }
2163
2164 static void CreateTextInputGadgets()
2165 {
2166   int max_infotext_len = getMaxInfoTextLength();
2167   int i;
2168
2169   for (i=0; i<ED_NUM_TEXTINPUT; i++)
2170   {
2171     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2172     int gd_x, gd_y;
2173     struct GadgetInfo *gi;
2174     unsigned long event_mask;
2175     char infotext[MAX_OUTPUT_LINESIZE + 1];
2176     int id = textinput_info[i].gadget_id;
2177
2178     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2179
2180     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2181     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2182
2183     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
2184     infotext[max_infotext_len] = '\0';
2185
2186     gi = CreateGadget(GDI_CUSTOM_ID, id,
2187                       GDI_CUSTOM_TYPE_ID, i,
2188                       GDI_INFO_TEXT, infotext,
2189                       GDI_X, SX + textinput_info[i].x,
2190                       GDI_Y, SY + textinput_info[i].y,
2191                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
2192                       GDI_TEXT_VALUE, textinput_info[i].value,
2193                       GDI_TEXT_SIZE, textinput_info[i].size,
2194                       GDI_TEXT_FONT, FONT_INPUT,
2195                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2196                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2197                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
2198                       GDI_TEXTINPUT_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2199                       GDI_EVENT_MASK, event_mask,
2200                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2201                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
2202                       GDI_END);
2203
2204     if (gi == NULL)
2205       Error(ERR_EXIT, "cannot create gadget");
2206
2207     level_editor_gadget[id] = gi;
2208   }
2209 }
2210
2211 static void CreateSelectboxGadgets()
2212 {
2213   int max_infotext_len = getMaxInfoTextLength();
2214   int i;
2215
2216   for (i=0; i<ED_NUM_SELECTBOX; i++)
2217   {
2218     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2219     int gd_x, gd_y;
2220     struct GadgetInfo *gi;
2221     unsigned long event_mask;
2222     char infotext[MAX_OUTPUT_LINESIZE + 1];
2223     int id = selectbox_info[i].gadget_id;
2224
2225     event_mask = GD_EVENT_RELEASED |
2226       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2227
2228     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
2229     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
2230
2231     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
2232     infotext[max_infotext_len] = '\0';
2233
2234     gi = CreateGadget(GDI_CUSTOM_ID, id,
2235                       GDI_CUSTOM_TYPE_ID, i,
2236                       GDI_INFO_TEXT, infotext,
2237                       GDI_X, SX + selectbox_info[i].x,
2238                       GDI_Y, SY + selectbox_info[i].y,
2239                       GDI_TYPE, GD_TYPE_SELECTBOX,
2240                       GDI_SELECTBOX_VALUES, selectbox_info[i].values,
2241                       GDI_SELECTBOX_INDEX, selectbox_info[i].index,
2242                       GDI_TEXT_SIZE, selectbox_info[i].size,
2243                       GDI_TEXT_FONT, FONT_INPUT,
2244                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2245                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2246                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
2247                       GDI_BORDER_SIZE_SELECTBUTTON, getFontHeight(FONT_INPUT),
2248                       GDI_TEXTINPUT_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2249                       GDI_EVENT_MASK, event_mask,
2250                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2251                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
2252                       GDI_END);
2253
2254     if (gi == NULL)
2255       Error(ERR_EXIT, "cannot create gadget");
2256
2257     level_editor_gadget[id] = gi;
2258   }
2259 }
2260
2261 static void CreateScrollbarGadgets()
2262 {
2263   int i;
2264
2265   for (i=0; i<ED_NUM_SCROLLBARS; i++)
2266   {
2267     int id = scrollbar_info[i].gadget_id;
2268     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2269     int gd_x1, gd_x2, gd_y1, gd_y2;
2270     struct GadgetInfo *gi;
2271     int items_max, items_visible, item_position;
2272     unsigned long event_mask;
2273
2274     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
2275     {
2276       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
2277       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
2278       item_position = 0;
2279     }
2280     else        /* drawing area scrollbars */
2281     {
2282       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
2283       {
2284         items_max = MAX(lev_fieldx + 2, ed_fieldx);
2285         items_visible = ed_fieldx;
2286         item_position = 0;
2287       }
2288       else
2289       {
2290         items_max = MAX(lev_fieldy + 2, ed_fieldy);
2291         items_visible = ed_fieldy;
2292         item_position = 0;
2293       }
2294     }
2295
2296     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2297
2298     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].xpos;
2299     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
2300                       scrollbar_info[i].height : scrollbar_info[i].width));
2301     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2302     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2303
2304     gi = CreateGadget(GDI_CUSTOM_ID, id,
2305                       GDI_CUSTOM_TYPE_ID, i,
2306                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2307                       GDI_X, scrollbar_info[i].x,
2308                       GDI_Y, scrollbar_info[i].y,
2309                       GDI_WIDTH, scrollbar_info[i].width,
2310                       GDI_HEIGHT, scrollbar_info[i].height,
2311                       GDI_TYPE, scrollbar_info[i].type,
2312                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2313                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2314                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2315                       GDI_STATE, GD_BUTTON_UNPRESSED,
2316                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2317                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2318                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
2319                       GDI_EVENT_MASK, event_mask,
2320                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2321                       GDI_CALLBACK_ACTION, HandleControlButtons,
2322                       GDI_END);
2323
2324     if (gi == NULL)
2325       Error(ERR_EXIT, "cannot create gadget");
2326
2327     level_editor_gadget[id] = gi;
2328   }
2329 }
2330
2331 static void CreateCheckbuttonGadgets()
2332 {
2333   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2334   struct GadgetInfo *gi;
2335   unsigned long event_mask;
2336   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
2337   boolean checked;
2338   int i;
2339
2340   event_mask = GD_EVENT_PRESSED;
2341
2342   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2343   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2344   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
2345   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
2346   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
2347
2348   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
2349   {
2350     int id = radiobutton_info[i].gadget_id;
2351
2352     checked =
2353       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2354
2355     gi = CreateGadget(GDI_CUSTOM_ID, id,
2356                       GDI_CUSTOM_TYPE_ID, i,
2357                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
2358                       GDI_X, SX + radiobutton_info[i].x,
2359                       GDI_Y, SY + radiobutton_info[i].y,
2360                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2361                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2362                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
2363                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
2364                       GDI_CHECKED, checked,
2365                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2366                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2367                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2368                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2369                       GDI_EVENT_MASK, event_mask,
2370                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2371                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
2372                       GDI_END);
2373
2374     if (gi == NULL)
2375       Error(ERR_EXIT, "cannot create gadget");
2376
2377     level_editor_gadget[id] = gi;
2378   }
2379
2380   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
2381   {
2382     int id = checkbutton_info[i].gadget_id;
2383
2384     if (id == GADGET_ID_STICK_ELEMENT)
2385       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
2386     else
2387       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
2388
2389     gi = CreateGadget(GDI_CUSTOM_ID, id,
2390                       GDI_CUSTOM_TYPE_ID, i,
2391                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
2392                       GDI_X, SX + checkbutton_info[i].x,
2393                       GDI_Y, SY + checkbutton_info[i].y,
2394                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2395                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2396                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
2397                       GDI_CHECKED, *checkbutton_info[i].value,
2398                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2399                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2400                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2401                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2402                       GDI_EVENT_MASK, event_mask,
2403                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2404                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
2405                       GDI_END);
2406
2407     if (gi == NULL)
2408       Error(ERR_EXIT, "cannot create gadget");
2409
2410     level_editor_gadget[id] = gi;
2411   }
2412 }
2413
2414 void CreateLevelEditorGadgets()
2415 {
2416   int old_game_status = game_status;
2417
2418   /* setting 'game_status' is needed to get the right fonts for the editor */
2419   game_status = LEVELED;
2420
2421   ReinitializeElementList();
2422
2423   CreateControlButtons();
2424   CreateCounterButtons();
2425   CreateDrawingAreas();
2426   CreateTextInputGadgets();
2427   CreateSelectboxGadgets();
2428   CreateScrollbarGadgets();
2429   CreateCheckbuttonGadgets();
2430
2431   game_status = old_game_status;
2432 }
2433
2434 void FreeLevelEditorGadgets()
2435 {
2436   int i;
2437
2438   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2439     FreeGadget(level_editor_gadget[i]);
2440 }
2441
2442 static void MapCounterButtons(int id)
2443 {
2444   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
2445   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
2446   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
2447 }
2448
2449 static void MapControlButtons()
2450 {
2451   int counter_id;
2452   int i;
2453
2454   /* map toolbox buttons */
2455   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2456     MapGadget(level_editor_gadget[i]);
2457
2458   /* map buttons to select elements */
2459   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2460     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
2461   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
2462   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
2463   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
2464
2465   /* map buttons to select level */
2466   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
2467   ModifyEditorCounterLimits(counter_id,
2468                             leveldir_current->first_level,
2469                             leveldir_current->last_level);
2470   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2471   MapCounterButtons(counter_id);
2472 }
2473
2474 static void MapDrawingArea(int id)
2475 {
2476   MapGadget(level_editor_gadget[id]);
2477 }
2478
2479 static void MapTextInputGadget(int id)
2480 {
2481   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
2482 }
2483
2484 static void MapSelectboxGadget(int id)
2485 {
2486   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
2487 }
2488
2489 static void MapRadiobuttonGadget(int id)
2490 {
2491   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
2492 }
2493
2494 static void MapCheckbuttonGadget(int id)
2495 {
2496   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
2497 }
2498
2499 static void MapMainDrawingArea()
2500 {
2501   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
2502   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
2503   int i;
2504
2505   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
2506   {
2507     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
2508           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
2509          no_horizontal_scrollbar) ||
2510         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
2511           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
2512          no_vertical_scrollbar))
2513       continue;
2514
2515     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
2516   }
2517
2518   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
2519   {
2520     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
2521         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
2522       continue;
2523
2524     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
2525   }
2526
2527   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
2528 }
2529
2530 static void UnmapDrawingArea(int id)
2531 {
2532   UnmapGadget(level_editor_gadget[id]);
2533 }
2534
2535 void UnmapLevelEditorWindowGadgets()
2536 {
2537   int i;
2538
2539   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2540     if (level_editor_gadget[i]->x < SX + SXSIZE)
2541       UnmapGadget(level_editor_gadget[i]);
2542 }
2543
2544 void UnmapLevelEditorGadgets()
2545 {
2546   int i;
2547
2548   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2549     UnmapGadget(level_editor_gadget[i]);
2550 }
2551
2552 static void ResetUndoBuffer()
2553 {
2554   undo_buffer_position = -1;
2555   undo_buffer_steps = -1;
2556   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
2557 }
2558
2559 static void DrawEditModeWindow()
2560 {
2561   if (edit_mode == ED_MODE_INFO)
2562     DrawLevelInfoWindow();
2563   else if (edit_mode == ED_MODE_PROPERTIES)
2564     DrawPropertiesWindow();
2565   else  /* edit_mode == ED_MODE_DRAWING */
2566     DrawDrawingWindow();
2567 }
2568
2569 static boolean LevelChanged()
2570 {
2571   boolean level_changed = FALSE;
2572   int x, y;
2573
2574   for(y=0; y<lev_fieldy; y++)
2575     for(x=0; x<lev_fieldx; x++)
2576       if (Feld[x][y] != Ur[x][y])
2577         level_changed = TRUE;
2578
2579   return level_changed;
2580 }
2581
2582 static boolean LevelContainsPlayer()
2583 {
2584   boolean player_found = FALSE;
2585   int x, y;
2586
2587   for(y=0; y<lev_fieldy; y++)
2588     for(x=0; x<lev_fieldx; x++)
2589       if (Feld[x][y] == EL_PLAYER_1 ||
2590           Feld[x][y] == EL_SP_MURPHY)
2591         player_found = TRUE;
2592
2593   return player_found;
2594 }
2595
2596 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
2597                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
2598 {
2599   int x, y;
2600
2601   for(x=0; x<lev_fieldx; x++)
2602     for(y=0; y<lev_fieldy; y++)
2603       dst[x][y] = src[x][y];
2604 }
2605
2606 static void CopyCustomElementPropertiesToEditor()
2607 {
2608   int i;
2609
2610   for (i=0; i < NUM_CUSTOM_ELEMENTS; i++)
2611   {
2612     int element = EL_CUSTOM_START + i;
2613     int properties = Properties1[element];
2614
2615     custom_element_properties[i].indestructible =
2616       ((properties & EP_BIT_INDESTRUCTIBLE) != 0 ? TRUE : FALSE);
2617
2618     custom_element_properties[i].can_fall =
2619       ((properties & EP_BIT_CAN_FALL) != 0 ? TRUE : FALSE);
2620
2621     custom_element_properties[i].can_smash =
2622       ((properties & EP_BIT_CAN_SMASH) != 0 ? TRUE : FALSE);
2623
2624     custom_element_properties[i].pushable =
2625       ((properties & EP_BIT_PUSHABLE) != 0 ? TRUE : FALSE);
2626
2627     custom_element_properties[i].slippery =
2628       ((properties & EP_BIT_SLIPPERY) != 0 ? TRUE : FALSE);
2629   }
2630 }
2631
2632 static void CopyCustomElementPropertiesToGame()
2633 {
2634   int i;
2635
2636   for (i=0; i < NUM_CUSTOM_ELEMENTS; i++)
2637   {
2638     int element = EL_CUSTOM_START + i;
2639
2640     Properties1[element] = EP_BITMASK_DEFAULT;
2641
2642     if (custom_element_properties[i].indestructible)
2643       Properties1[element] |= EP_BIT_INDESTRUCTIBLE;
2644     else
2645       Properties1[element] &= ~EP_BIT_INDESTRUCTIBLE;
2646
2647     if (custom_element_properties[i].can_fall)
2648       Properties1[element] |= EP_BIT_CAN_FALL;
2649     else
2650       Properties1[element] &= ~EP_BIT_CAN_FALL;
2651
2652     if (custom_element_properties[i].can_smash)
2653       Properties1[element] |= EP_BIT_CAN_SMASH;
2654     else
2655       Properties1[element] &= ~EP_BIT_CAN_SMASH;
2656
2657     if (custom_element_properties[i].pushable)
2658       Properties1[element] |= EP_BIT_PUSHABLE;
2659     else
2660       Properties1[element] &= ~EP_BIT_PUSHABLE;
2661
2662     if (custom_element_properties[i].slippery)
2663       Properties1[element] |= EP_BIT_SLIPPERY;
2664     else
2665       Properties1[element] &= ~EP_BIT_SLIPPERY;
2666   }
2667 }
2668
2669 void DrawLevelEd()
2670 {
2671   CloseDoor(DOOR_CLOSE_ALL);
2672   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
2673
2674   if (level_editor_test_game)
2675   {
2676     CopyPlayfield(Ur, Feld);
2677     CopyPlayfield(FieldBackup, Ur);
2678
2679     level_editor_test_game = FALSE;
2680   }
2681   else
2682   {
2683     edit_mode = ED_MODE_DRAWING;
2684
2685     ResetUndoBuffer();
2686     level_xpos = -1;
2687     level_ypos = -1;
2688   }
2689
2690   /* copy default editor door content to main double buffer */
2691   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
2692              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
2693
2694   /* draw mouse button brush elements */
2695   DrawMiniGraphicExt(drawto,
2696                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
2697                      el2edimg(new_element1));
2698   DrawMiniGraphicExt(drawto,
2699                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
2700                      el2edimg(new_element2));
2701   DrawMiniGraphicExt(drawto,
2702                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
2703                      el2edimg(new_element3));
2704
2705   /* draw bigger door */
2706   DrawSpecialEditorDoor();
2707
2708   /* draw new control window */
2709   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
2710              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
2711
2712   redraw_mask |= REDRAW_ALL;
2713
2714   ReinitializeElementListButtons();     /* only needed after setup changes */
2715
2716   UnmapTapeButtons();
2717   MapControlButtons();
2718
2719   /* copy actual editor door content to door double buffer for OpenDoor() */
2720   BlitBitmap(drawto, bitmap_db_door,
2721              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
2722
2723   DrawEditModeWindow();
2724
2725   OpenDoor(DOOR_OPEN_1);
2726 }
2727
2728 static void AdjustDrawingAreaGadgets()
2729 {
2730   int ed_xsize = lev_fieldx + 2;
2731   int ed_ysize = lev_fieldy + 2;
2732   int max_ed_fieldx = MAX_ED_FIELDX;
2733   int max_ed_fieldy = MAX_ED_FIELDY;
2734   boolean horizontal_scrollbar_needed;
2735   boolean vertical_scrollbar_needed;
2736   int x, y, width, height;
2737   int xoffset, yoffset;
2738
2739   /* check if we need any scrollbars */
2740   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
2741   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
2742
2743   /* check if we have a smaller editor field because of scrollbars */
2744   if (horizontal_scrollbar_needed)
2745     max_ed_fieldy = MAX_ED_FIELDY - 1;
2746   if (vertical_scrollbar_needed)
2747     max_ed_fieldx = MAX_ED_FIELDX - 1;
2748
2749   /* check again if we now need more scrollbars because of less space */
2750   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
2751   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
2752
2753   /* check if editor field gets even smaller after adding new scrollbars */
2754   if (horizontal_scrollbar_needed)
2755     max_ed_fieldy = MAX_ED_FIELDY - 1;
2756   if (vertical_scrollbar_needed)
2757     max_ed_fieldx = MAX_ED_FIELDX - 1;
2758
2759   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
2760   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
2761
2762   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
2763                GDI_WIDTH, ed_fieldx * MINI_TILEX,
2764                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
2765                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2766                GDI_END);
2767
2768   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
2769   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
2770
2771   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
2772   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
2773
2774   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
2775   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
2776
2777   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
2778   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
2779
2780   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
2781                GDI_WIDTH, width,
2782                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
2783                GDI_END);
2784   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
2785                GDI_HEIGHT, height,
2786                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
2787                GDI_END);
2788 }
2789
2790 static void AdjustLevelScrollPosition()
2791 {
2792   if (level_xpos < -1)
2793     level_xpos = -1;
2794   if (level_xpos > lev_fieldx - ed_fieldx + 1)
2795     level_xpos = lev_fieldx - ed_fieldx + 1;
2796   if (lev_fieldx < ed_fieldx - 2)
2797     level_xpos = -1;
2798
2799   if (level_ypos < -1)
2800     level_ypos = -1;
2801   if (level_ypos > lev_fieldy - ed_fieldy + 1)
2802     level_ypos = lev_fieldy - ed_fieldy + 1;
2803   if (lev_fieldy < ed_fieldy - 2)
2804     level_ypos = -1;
2805 }
2806
2807 static void AdjustEditorScrollbar(int id)
2808 {
2809   struct GadgetInfo *gi = level_editor_gadget[id];
2810   int items_max, items_visible, item_position;
2811
2812   if (id == GADGET_ID_SCROLL_HORIZONTAL)
2813   {
2814     items_max = MAX(lev_fieldx + 2, ed_fieldx);
2815     items_visible = ed_fieldx;
2816     item_position = level_xpos + 1;
2817   }
2818   else
2819   {
2820     items_max = MAX(lev_fieldy + 2, ed_fieldy);
2821     items_visible = ed_fieldy;
2822     item_position = level_ypos + 1;
2823   }
2824
2825   if (item_position > items_max - items_visible)
2826     item_position = items_max - items_visible;
2827
2828   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
2829                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
2830 }
2831
2832 static void ModifyEditorTextInput(int textinput_id, char *new_text)
2833 {
2834   int gadget_id = textinput_info[textinput_id].gadget_id;
2835   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2836
2837   ModifyGadget(gi, GDI_TEXT_VALUE, new_text, GDI_END);
2838 }
2839
2840 static void ModifyEditorCounter(int counter_id, int new_value)
2841 {
2842   int *counter_value = counterbutton_info[counter_id].value;
2843   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
2844   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2845
2846   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
2847
2848   if (counter_value != NULL)
2849     *counter_value = gi->text.number_value;
2850 }
2851
2852 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
2853 {
2854   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
2855   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2856
2857   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
2858 }
2859
2860 static void PickDrawingElement(int button, int element)
2861 {
2862   if (button < 1 || button > 3)
2863     return;
2864
2865   if (button == 1)
2866   {
2867     new_element1 = element;
2868     DrawMiniGraphicExt(drawto,
2869                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
2870                        el2edimg(new_element1));
2871   }
2872   else if (button == 2)
2873   {
2874     new_element2 = element;
2875     DrawMiniGraphicExt(drawto,
2876                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
2877                        el2edimg(new_element2));
2878   }
2879   else
2880   {
2881     new_element3 = element;
2882     DrawMiniGraphicExt(drawto,
2883                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
2884                        el2edimg(new_element3));
2885   }
2886
2887   redraw_mask |= REDRAW_DOOR_1;
2888 }
2889
2890 static void DrawDrawingWindow()
2891 {
2892   SetMainBackgroundImage(IMG_UNDEFINED);
2893   ClearWindow();
2894   UnmapLevelEditorWindowGadgets();
2895
2896   AdjustDrawingAreaGadgets();
2897   AdjustLevelScrollPosition();
2898   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
2899   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
2900
2901   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
2902   MapMainDrawingArea();
2903 }
2904
2905 static void DrawElementBorder(int dest_x, int dest_y, int width, int height)
2906 {
2907   int border_graphic = IMG_EDITOR_ELEMENT_BORDER;
2908   Bitmap *src_bitmap;
2909   int src_x, src_y;
2910   int num_mini_tilex = width / MINI_TILEX + 1;
2911   int num_mini_tiley = width / MINI_TILEY + 1;
2912   int x, y;
2913
2914   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
2915
2916   for (y=0; y < num_mini_tiley; y++)
2917     for (x=0; x < num_mini_tilex; x++)
2918       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
2919                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
2920                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
2921
2922   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
2923 }
2924
2925 static void DrawRandomPlacementBackgroundArea()
2926 {
2927   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
2928   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
2929   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
2930   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
2931
2932   ElementContent[0][0][0] = random_placement_background_element;
2933
2934   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
2935   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
2936
2937   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
2938 }
2939
2940 static void DrawLevelInfoWindow()
2941 {
2942   char infotext[MAX_OUTPUT_LINESIZE + 1];
2943   int max_infotext_len = getMaxInfoTextLength();
2944   int xoffset_above = 0;
2945   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
2946   int xoffset_right = getCounterGadgetWidth();
2947   int yoffset_right = ED_BORDER_SIZE;
2948   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
2949   int yoffset_right2 = ED_BORDER_SIZE;
2950   int i, x, y;
2951
2952   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
2953   ClearWindow();
2954   UnmapLevelEditorWindowGadgets();
2955
2956   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
2957            "Level Settings", FONT_TITLE_1);
2958   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
2959            "Editor Settings", FONT_TITLE_1);
2960
2961   /* draw counter gadgets */
2962   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
2963   {
2964     if (counterbutton_info[i].infotext_above)
2965     {
2966       x = counterbutton_info[i].x + xoffset_above;
2967       y = counterbutton_info[i].y + yoffset_above;
2968
2969       sprintf(infotext, "%s:", counterbutton_info[i].infotext_above);
2970       infotext[max_infotext_len] = '\0';
2971       DrawTextF(x, y, FONT_TEXT_1, infotext);
2972     }
2973
2974     if (counterbutton_info[i].infotext_right)
2975     {
2976       x = counterbutton_info[i].x + xoffset_right;
2977       y = counterbutton_info[i].y + yoffset_right;
2978
2979       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
2980       infotext[max_infotext_len] = '\0';
2981       DrawTextF(x, y, FONT_TEXT_1, infotext);
2982     }
2983
2984     ModifyEditorCounter(i, *counterbutton_info[i].value);
2985     MapCounterButtons(i);
2986   }
2987
2988   /* draw text input gadgets */
2989   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
2990   {
2991     x = textinput_info[i].x + xoffset_above;
2992     y = textinput_info[i].y + yoffset_above;
2993
2994     sprintf(infotext, "%s:", textinput_info[i].infotext);
2995     infotext[max_infotext_len] = '\0';
2996
2997     DrawTextF(x, y, FONT_TEXT_1, infotext);
2998     ModifyEditorTextInput(i, textinput_info[i].value);
2999     MapTextInputGadget(i);
3000   }
3001
3002   /* draw radiobutton gadgets */
3003   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
3004   {
3005     boolean checked =
3006       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3007
3008     x = radiobutton_info[i].x + xoffset_right2;
3009     y = radiobutton_info[i].y + yoffset_right2;
3010
3011     DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[i].text);
3012     ModifyGadget(level_editor_gadget[radiobutton_info[i].gadget_id],
3013                  GDI_CHECKED, checked, GDI_END);
3014     MapRadiobuttonGadget(i);
3015   }
3016
3017   /* draw checkbutton gadgets */
3018   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
3019   {
3020     x = checkbutton_info[i].x + xoffset_right2;
3021     y = checkbutton_info[i].y + yoffset_right2;
3022
3023     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3024     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3025                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3026     MapCheckbuttonGadget(i);
3027   }
3028
3029   /* draw drawing area */
3030   DrawRandomPlacementBackgroundArea();
3031 }
3032
3033 static void DrawAmoebaContentArea()
3034 {
3035   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3036   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3037   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3038   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3039
3040   ElementContent[0][0][0] = level.amoeba_content;
3041
3042   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
3043   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
3044
3045   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
3046
3047   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
3048 }
3049
3050 static void DrawElementContentAreas()
3051 {
3052   int counter_id = ED_COUNTER_ID_ELEM_CONTENT;
3053   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3054   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3055   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3056   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3057   int xoffset_right = getCounterGadgetWidth();
3058   int yoffset_right = ED_BORDER_SIZE;
3059   int i, x, y;
3060
3061   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
3062     for (y=0; y<3; y++)
3063       for (x=0; x<3; x++)
3064         ElementContent[i][x][y] = level.yam_content[i][x][y];
3065
3066   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
3067     UnmapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
3068
3069   /* display counter to choose number of element content areas */
3070   x = counterbutton_info[counter_id].x + xoffset_right;
3071   y = counterbutton_info[counter_id].y + yoffset_right;
3072   DrawTextF(x, y, FONT_TEXT_1, "number of content areas");
3073
3074   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
3075   MapCounterButtons(counter_id);
3076
3077   /* delete content areas in case of reducing number of them */
3078   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
3079
3080   for (i=0; i<level.num_yam_contents; i++)
3081     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
3082                       area_sy + 6 * (i / 4) * MINI_TILEY,
3083                       3 * MINI_TILEX, 3 * MINI_TILEY);
3084
3085   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
3086            "Content", FONT_TEXT_1);
3087   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
3088            "when",    FONT_TEXT_1);
3089   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
3090            "smashed", FONT_TEXT_1);
3091
3092   for (i=0; i<level.num_yam_contents; i++)
3093   {
3094     for (y=0; y<3; y++)
3095       for (x=0; x<3; x++)
3096         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
3097                         ElementContent[i][x][y]);
3098
3099     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
3100               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
3101               FONT_TEXT_1, "%d", i + 1);
3102   }
3103
3104   for (i=0; i<level.num_yam_contents; i++)
3105     MapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
3106 }
3107
3108 #define TEXT_COLLECTING         "Score for collecting"
3109 #define TEXT_SMASHING           "Score for smashing"
3110 #define TEXT_CRACKING           "Score for cracking"
3111 #define TEXT_SPEED              "Speed of amoeba growth"
3112 #define TEXT_DURATION           "Duration when activated"
3113
3114 static void DrawPropertiesWindow()
3115 {
3116   int counter_id = ED_COUNTER_ID_ELEM_SCORE;
3117   int num_elements_in_level;
3118   float percentage;
3119   int xoffset_right = getCounterGadgetWidth();
3120   int yoffset_right = ED_BORDER_SIZE;
3121   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
3122   int yoffset_right2 = ED_BORDER_SIZE;
3123   int xstart = 2;
3124   int ystart = 4;
3125   int i, x, y;
3126   static struct
3127   {
3128     int element;
3129     int *value;
3130     char *text;
3131   } elements_with_counter[] =
3132   {
3133     { EL_EMERALD,       &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
3134     { EL_BD_DIAMOND,    &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
3135     { EL_EMERALD_YELLOW,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
3136     { EL_EMERALD_RED,   &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
3137     { EL_EMERALD_PURPLE,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
3138     { EL_DIAMOND,       &level.score[SC_DIAMANT],       TEXT_COLLECTING },
3139     { EL_BUG_RIGHT,     &level.score[SC_KAEFER],        TEXT_SMASHING },
3140     { EL_BUG_UP,        &level.score[SC_KAEFER],        TEXT_SMASHING },
3141     { EL_BUG_LEFT,      &level.score[SC_KAEFER],        TEXT_SMASHING },
3142     { EL_BUG_DOWN,      &level.score[SC_KAEFER],        TEXT_SMASHING },
3143     { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_KAEFER],    TEXT_SMASHING },
3144     { EL_BD_BUTTERFLY_UP,   &level.score[SC_KAEFER],    TEXT_SMASHING },
3145     { EL_BD_BUTTERFLY_LEFT, &level.score[SC_KAEFER],    TEXT_SMASHING },
3146     { EL_BD_BUTTERFLY_DOWN, &level.score[SC_KAEFER],    TEXT_SMASHING },
3147     { EL_SPACESHIP_RIGHT,&level.score[SC_FLIEGER],      TEXT_SMASHING },
3148     { EL_SPACESHIP_UP,   &level.score[SC_FLIEGER],      TEXT_SMASHING },
3149     { EL_SPACESHIP_LEFT, &level.score[SC_FLIEGER],      TEXT_SMASHING },
3150     { EL_SPACESHIP_DOWN, &level.score[SC_FLIEGER],      TEXT_SMASHING },
3151     { EL_BD_FIREFLY_RIGHT,&level.score[SC_FLIEGER],     TEXT_SMASHING },
3152     { EL_BD_FIREFLY_UP,   &level.score[SC_FLIEGER],     TEXT_SMASHING },
3153     { EL_BD_FIREFLY_LEFT, &level.score[SC_FLIEGER],     TEXT_SMASHING },
3154     { EL_BD_FIREFLY_DOWN, &level.score[SC_FLIEGER],     TEXT_SMASHING },
3155     { EL_YAMYAM,        &level.score[SC_MAMPFER],       TEXT_SMASHING },
3156     { EL_DARK_YAMYAM,   &level.score[SC_MAMPFER],       TEXT_SMASHING },
3157     { EL_ROBOT,         &level.score[SC_ROBOT],         TEXT_SMASHING },
3158     { EL_PACMAN_RIGHT,  &level.score[SC_PACMAN],        TEXT_SMASHING },
3159     { EL_PACMAN_UP,     &level.score[SC_PACMAN],        TEXT_SMASHING },
3160     { EL_PACMAN_LEFT,   &level.score[SC_PACMAN],        TEXT_SMASHING },
3161     { EL_PACMAN_DOWN,   &level.score[SC_PACMAN],        TEXT_SMASHING },
3162     { EL_NUT,           &level.score[SC_KOKOSNUSS],     TEXT_CRACKING },
3163     { EL_DYNAMITE,      &level.score[SC_DYNAMIT],       TEXT_COLLECTING },
3164     { EL_KEY_1,         &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3165     { EL_KEY_2,         &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3166     { EL_KEY_3,         &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3167     { EL_KEY_4,         &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3168     { EL_EM_KEY_1_FILE, &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3169     { EL_EM_KEY_2_FILE, &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3170     { EL_EM_KEY_3_FILE, &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3171     { EL_EM_KEY_4_FILE, &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3172     { EL_AMOEBA_WET,    &level.amoeba_speed,            TEXT_SPEED },
3173     { EL_AMOEBA_DRY,    &level.amoeba_speed,            TEXT_SPEED },
3174     { EL_AMOEBA_FULL,   &level.amoeba_speed,            TEXT_SPEED },
3175     { EL_BD_AMOEBA,     &level.amoeba_speed,            TEXT_SPEED },
3176     { EL_MAGIC_WALL,    &level.time_magic_wall,         TEXT_DURATION },
3177     { EL_ROBOT_WHEEL,   &level.time_wheel,              TEXT_DURATION },
3178     { -1, NULL, NULL }
3179   };
3180
3181   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
3182   ClearWindow();
3183   UnmapLevelEditorWindowGadgets();
3184
3185   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
3186            "Element Settings", FONT_TITLE_1);
3187
3188   DrawElementBorder(SX + xstart * MINI_TILEX,
3189                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
3190                     TILEX, TILEY);
3191   DrawGraphicAnimationExt(drawto,
3192                           SX + xstart * MINI_TILEX,
3193                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
3194                           el2edimg(properties_element), -1, NO_MASKING);
3195
3196   FrameCounter = 0;     /* restart animation frame counter */
3197
3198   DrawTextF((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
3199             FONT_TEXT_1, getElementInfoText(properties_element));
3200
3201   num_elements_in_level = 0;
3202   for (y=0; y<lev_fieldy; y++)
3203     for (x=0; x<lev_fieldx; x++)
3204       if (Feld[x][y] == properties_element)
3205         num_elements_in_level++;
3206   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
3207
3208   DrawTextF(ED_SETTINGS_XPOS, 5 * TILEY, FONT_TEXT_1, "In this level:");
3209   DrawTextF(ED_SETTINGS_XPOS + 15 * getFontWidth(FONT_TEXT_1), 5 * TILEY,
3210             FONT_TEXT_2, "%d (%.2f%%)", num_elements_in_level,
3211             percentage);
3212
3213   /* check if there are elements where a score can be chosen for */
3214   for (i=0; elements_with_counter[i].element != -1; i++)
3215   {
3216     if (elements_with_counter[i].element == properties_element)
3217     {
3218       int x = counterbutton_info[counter_id].x + xoffset_right;
3219       int y = counterbutton_info[counter_id].y + yoffset_right;
3220
3221       counterbutton_info[counter_id].value = elements_with_counter[i].value;
3222       DrawTextF(x, y, FONT_TEXT_1, elements_with_counter[i].text);
3223
3224       ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
3225       MapCounterButtons(counter_id);
3226       break;
3227     }
3228   }
3229
3230   if (HAS_CONTENT(properties_element))
3231   {
3232     /* draw stickybutton gadget */
3233     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
3234     x = checkbutton_info[i].x + xoffset_right2;
3235     y = checkbutton_info[i].y + yoffset_right2;
3236
3237     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3238     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3239                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3240     MapCheckbuttonGadget(i);
3241
3242     if (IS_AMOEBOID(properties_element))
3243       DrawAmoebaContentArea();
3244     else
3245       DrawElementContentAreas();
3246   }
3247
3248   if (IS_GEM(properties_element))
3249   {
3250     /* draw checkbutton gadget */
3251     i = ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS;
3252     x = checkbutton_info[i].x + xoffset_right2;
3253     y = checkbutton_info[i].y + yoffset_right2;
3254
3255     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3256     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3257                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3258     MapCheckbuttonGadget(i);
3259   }
3260
3261   if (IS_CUSTOM_ELEMENT(properties_element))
3262   {
3263     int nr = properties_element - EL_CUSTOM_START;
3264
3265     CopyCustomElementPropertiesToEditor();
3266
3267     /* draw checkbutton gadget */
3268     i = ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE;
3269     x = checkbutton_info[i].x + xoffset_right2;
3270     y = checkbutton_info[i].y + yoffset_right2;
3271
3272     checkbutton_info[i].value = &custom_element_properties[nr].indestructible;
3273
3274     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3275     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3276                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3277     MapCheckbuttonGadget(i);
3278
3279     /* draw checkbutton gadget */
3280     i = ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL;
3281     x = checkbutton_info[i].x + xoffset_right2;
3282     y = checkbutton_info[i].y + yoffset_right2;
3283
3284     checkbutton_info[i].value = &custom_element_properties[nr].can_fall;
3285
3286     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3287     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3288                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3289     MapCheckbuttonGadget(i);
3290
3291     /* draw checkbutton gadget */
3292     i = ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH;
3293     x = checkbutton_info[i].x + xoffset_right2;
3294     y = checkbutton_info[i].y + yoffset_right2;
3295
3296     checkbutton_info[i].value = &custom_element_properties[nr].can_smash;
3297
3298     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3299     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3300                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3301     MapCheckbuttonGadget(i);
3302
3303     /* draw checkbutton gadget */
3304     i = ED_CHECKBUTTON_ID_CUSTOM_PUSHABLE;
3305     x = checkbutton_info[i].x + xoffset_right2;
3306     y = checkbutton_info[i].y + yoffset_right2;
3307
3308     checkbutton_info[i].value = &custom_element_properties[nr].pushable;
3309
3310     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3311     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3312                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3313     MapCheckbuttonGadget(i);
3314
3315     /* draw checkbutton gadget */
3316     i = ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY;
3317     x = checkbutton_info[i].x + xoffset_right2;
3318     y = checkbutton_info[i].y + yoffset_right2;
3319
3320     checkbutton_info[i].value = &custom_element_properties[nr].slippery;
3321
3322     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3323     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3324                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3325     MapCheckbuttonGadget(i);
3326
3327     /* draw selectbox gadget */
3328     i = ED_SELECTBOX_ID_TEST;
3329     x = selectbox_info[i].x + xoffset_right2;
3330     y = selectbox_info[i].y + yoffset_right2;
3331
3332     selectbox_info[i].index = &test_index;
3333
3334     DrawTextF(x, y, FONT_TEXT_1, selectbox_info[i].text);
3335     ModifyGadget(level_editor_gadget[selectbox_info[i].gadget_id],
3336                  GDI_SELECTBOX_INDEX, *selectbox_info[i].index, GDI_END);
3337     MapSelectboxGadget(i);
3338   }
3339 }
3340
3341 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
3342 {
3343   int lx = sx + level_xpos;
3344   int ly = sy + level_ypos;
3345
3346   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
3347
3348   if (change_level)
3349     Feld[lx][ly] = element;
3350 }
3351
3352 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
3353                      int element, boolean change_level)
3354 {
3355   if (from_y == to_y)                   /* horizontal line */
3356   {
3357     int x;
3358     int y = from_y;
3359
3360     if (from_x > to_x)
3361       swap_numbers(&from_x, &to_x);
3362
3363     for (x=from_x; x<=to_x; x++)
3364       DrawLineElement(x, y, element, change_level);
3365   }
3366   else if (from_x == to_x)              /* vertical line */
3367   {
3368     int x = from_x;
3369     int y;
3370
3371     if (from_y > to_y)
3372       swap_numbers(&from_y, &to_y);
3373
3374     for (y=from_y; y<=to_y; y++)
3375       DrawLineElement(x, y, element, change_level);
3376   }
3377   else                                  /* diagonal line */
3378   {
3379     int len_x = ABS(to_x - from_x);
3380     int len_y = ABS(to_y - from_y);
3381     int x, y;
3382
3383     if (len_y < len_x)                  /* a < 1 */
3384     {
3385       float a = (float)len_y / (float)len_x;
3386
3387       if (from_x > to_x)
3388         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3389
3390       for (x=0; x<=len_x; x++)
3391       {
3392         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
3393         DrawLineElement(from_x + x, from_y + y, element, change_level);
3394       }
3395     }
3396     else                                /* a >= 1 */
3397     {
3398       float a = (float)len_x / (float)len_y;
3399
3400       if (from_y > to_y)
3401         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3402
3403       for (y=0; y<=len_y; y++)
3404       {
3405         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
3406         DrawLineElement(from_x + x, from_y + y, element, change_level);
3407       }
3408     }
3409   }
3410 }
3411
3412 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
3413                     int element, boolean change_level)
3414 {
3415   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
3416   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
3417   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
3418   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
3419 }
3420
3421 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
3422                           int element, boolean change_level)
3423 {
3424   int y;
3425
3426   if (from_y > to_y)
3427     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3428
3429   for (y=from_y; y<=to_y; y++)
3430     DrawLine(from_x, y, to_x, y, element, change_level);
3431 }
3432
3433 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
3434                        int element, boolean change_level)
3435 {
3436   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
3437   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
3438   int len_x = ABS(to_x - from_x);
3439   int len_y = ABS(to_y - from_y);
3440   int radius, x, y;
3441
3442   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
3443
3444   /* not optimal (some points get drawn twice) but simple,
3445      and fast enough for the few points we are drawing */
3446
3447   for (x=0; x<=radius; x++)
3448   {
3449     int sx, sy, lx, ly;
3450
3451     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
3452
3453     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
3454     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
3455     lx = sx + level_xpos;
3456     ly = sy + level_ypos;
3457
3458     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3459       DrawLineElement(sx, sy, element, change_level);
3460   }
3461
3462   for (y=0; y<=radius; y++)
3463   {
3464     int sx, sy, lx, ly;
3465
3466     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
3467
3468     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
3469     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
3470     lx = sx + level_xpos;
3471     ly = sy + level_ypos;
3472
3473     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3474       DrawLineElement(sx, sy, element, change_level);
3475   }
3476 }
3477
3478 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
3479                     int element, boolean change_level)
3480 {
3481   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
3482   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
3483
3484   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
3485 }
3486
3487 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
3488 #if DRAW_CIRCLES_BUTTON_AVAILABLE
3489 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
3490                        int element, boolean change_level)
3491 {
3492   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
3493   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
3494   int mirror_to_x2 = from_x - (to_x2 - from_x);
3495   int mirror_to_y2 = from_y - (to_y2 - from_y);
3496
3497   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
3498   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
3499   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
3500   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
3501 }
3502 #endif
3503
3504 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
3505 {
3506   int from_sx, from_sy;
3507   int to_sx, to_sy;
3508
3509   if (from_x > to_x)
3510     swap_numbers(&from_x, &to_x);
3511
3512   if (from_y > to_y)
3513     swap_numbers(&from_y, &to_y);
3514
3515   from_sx = SX + from_x * MINI_TILEX;
3516   from_sy = SY + from_y * MINI_TILEY;
3517   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
3518   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
3519
3520   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
3521   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
3522   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
3523   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
3524
3525   if (from_x == to_x && from_y == to_y)
3526     MarkTileDirty(from_x/2, from_y/2);
3527   else
3528     redraw_mask |= REDRAW_FIELD;
3529 }
3530
3531 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
3532                        int element, boolean change_level)
3533 {
3534   if (element == -1 || change_level)
3535     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
3536   else
3537     DrawAreaBorder(from_x, from_y, to_x, to_y);
3538 }
3539
3540 /* values for CopyBrushExt() */
3541 #define CB_AREA_TO_BRUSH        0
3542 #define CB_BRUSH_TO_CURSOR      1
3543 #define CB_BRUSH_TO_LEVEL       2
3544 #define CB_DELETE_OLD_CURSOR    3
3545
3546 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
3547                          int button, int mode)
3548 {
3549   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
3550   static int brush_width, brush_height;
3551   static int last_cursor_x = -1, last_cursor_y = -1;
3552   static boolean delete_old_brush;
3553   int new_element = BUTTON_ELEMENT(button);
3554   int x, y;
3555
3556   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
3557     return;
3558
3559   if (mode == CB_AREA_TO_BRUSH)
3560   {
3561     int from_lx, from_ly;
3562
3563     if (from_x > to_x)
3564       swap_numbers(&from_x, &to_x);
3565
3566     if (from_y > to_y)
3567       swap_numbers(&from_y, &to_y);
3568
3569     brush_width = to_x - from_x + 1;
3570     brush_height = to_y - from_y + 1;
3571
3572     from_lx = from_x + level_xpos;
3573     from_ly = from_y + level_ypos;
3574
3575     for (y=0; y<brush_height; y++)
3576     {
3577       for (x=0; x<brush_width; x++)
3578       {
3579         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
3580
3581         if (button != 1)
3582           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
3583       }
3584     }
3585
3586     if (button != 1)
3587       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3588
3589     delete_old_brush = FALSE;
3590   }
3591   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
3592            mode == CB_BRUSH_TO_LEVEL)
3593   {
3594     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
3595     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
3596     int cursor_from_x = cursor_x - brush_width / 2;
3597     int cursor_from_y = cursor_y - brush_height / 2;
3598     int border_from_x = cursor_x, border_from_y = cursor_y;
3599     int border_to_x = cursor_x, border_to_y = cursor_y;
3600
3601     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
3602       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3603
3604     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
3605         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
3606     {
3607       delete_old_brush = FALSE;
3608       return;
3609     }
3610
3611     for (y=0; y<brush_height; y++)
3612     {
3613       for (x=0; x<brush_width; x++)
3614       {
3615         int sx = cursor_from_x + x;
3616         int sy = cursor_from_y + y;
3617         int lx = sx + level_xpos;
3618         int ly = sy + level_ypos;
3619         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
3620         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
3621                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
3622                        brush_buffer[x][y] : new_element);
3623
3624         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3625         {
3626           if (sx < border_from_x)
3627             border_from_x = sx;
3628           else if (sx > border_to_x)
3629             border_to_x = sx;
3630           if (sy < border_from_y)
3631             border_from_y = sy;
3632           else if (sy > border_to_y)
3633             border_to_y = sy;
3634
3635           DrawLineElement(sx, sy, element, change_level);
3636         }
3637       }
3638     }
3639
3640     if (mode != CB_DELETE_OLD_CURSOR)
3641       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
3642
3643     last_cursor_x = cursor_x;
3644     last_cursor_y = cursor_y;
3645     delete_old_brush = TRUE;
3646   }
3647 }
3648
3649 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
3650                             int button)
3651 {
3652   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
3653 }
3654
3655 static void CopyBrushToLevel(int x, int y, int button)
3656 {
3657   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
3658 }
3659
3660 static void CopyBrushToCursor(int x, int y)
3661 {
3662   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
3663 }
3664
3665 static void DeleteBrushFromCursor()
3666 {
3667   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3668 }
3669
3670 static void FloodFill(int from_x, int from_y, int fill_element)
3671 {
3672   int i,x,y;
3673   int old_element;
3674   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
3675   static int safety = 0;
3676
3677   /* check if starting field still has the desired content */
3678   if (Feld[from_x][from_y] == fill_element)
3679     return;
3680
3681   safety++;
3682
3683   if (safety > lev_fieldx*lev_fieldy)
3684     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
3685
3686   old_element = Feld[from_x][from_y];
3687   Feld[from_x][from_y] = fill_element;
3688
3689   for(i=0;i<4;i++)
3690   {
3691     x = from_x + check[i][0];
3692     y = from_y + check[i][1];
3693
3694     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
3695       FloodFill(x, y, fill_element);
3696   }
3697
3698   safety--;
3699 }
3700
3701 /* values for DrawLevelText() modes */
3702 #define TEXT_INIT               0
3703 #define TEXT_SETCURSOR          1
3704 #define TEXT_WRITECHAR          2
3705 #define TEXT_BACKSPACE          3
3706 #define TEXT_NEWLINE            4
3707 #define TEXT_END                5
3708 #define TEXT_QUERY_TYPING       6
3709
3710 static int DrawLevelText(int sx, int sy, char letter, int mode)
3711 {
3712   static short delete_buffer[MAX_LEV_FIELDX];
3713   static int start_sx, start_sy;
3714   static int last_sx, last_sy;
3715   static boolean typing = FALSE;
3716   int letter_element = EL_CHAR_ASCII0 + letter;
3717   int lx = 0, ly = 0;
3718
3719   /* map lower case letters to upper case and convert special characters */
3720   if (letter >= 'a' && letter <= 'z')
3721     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
3722   else if (letter == 'ä' || letter == 'Ä')
3723     letter_element = EL_CHAR_AUMLAUT;
3724   else if (letter == 'ö' || letter == 'Ö')
3725     letter_element = EL_CHAR_OUMLAUT;
3726   else if (letter == 'ü' || letter == 'Ü')
3727     letter_element = EL_CHAR_UUMLAUT;
3728   else if (letter == '^')
3729     letter_element = EL_CHAR_COPYRIGHT;
3730   else
3731     letter_element = EL_CHAR_ASCII0 + letter;
3732
3733   if (mode != TEXT_INIT)
3734   {
3735     if (!typing)
3736       return FALSE;
3737
3738     if (mode != TEXT_SETCURSOR)
3739     {
3740       sx = last_sx;
3741       sy = last_sy;
3742     }
3743
3744     lx = last_sx + level_xpos;
3745     ly = last_sy + level_ypos;
3746   }
3747
3748   switch (mode)
3749   {
3750     case TEXT_INIT:
3751       if (typing)
3752         DrawLevelText(0, 0, 0, TEXT_END);
3753
3754       typing = TRUE;
3755       start_sx = last_sx = sx;
3756       start_sy = last_sy = sy;
3757       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
3758       break;
3759
3760     case TEXT_SETCURSOR:
3761       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
3762       DrawAreaBorder(sx, sy, sx, sy);
3763       last_sx = sx;
3764       last_sy = sy;
3765       break;
3766
3767     case TEXT_WRITECHAR:
3768       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
3769       {
3770         delete_buffer[sx - start_sx] = Feld[lx][ly];
3771         Feld[lx][ly] = letter_element;
3772
3773         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
3774           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
3775         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
3776           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3777         else
3778           DrawLevelText(0, 0, 0, TEXT_END);
3779       }
3780       break;
3781
3782     case TEXT_BACKSPACE:
3783       if (sx > start_sx)
3784       {
3785         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
3786         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
3787         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
3788       }
3789       break;
3790
3791     case TEXT_NEWLINE:
3792       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
3793         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3794       else
3795         DrawLevelText(0, 0, 0, TEXT_END);
3796       break;
3797
3798     case TEXT_END:
3799       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3800       DrawMiniElement(sx, sy, Feld[lx][ly]);
3801       typing = FALSE;
3802       break;
3803
3804     case TEXT_QUERY_TYPING:
3805       break;
3806
3807     default:
3808       break;
3809   }
3810
3811   return typing;
3812 }
3813
3814 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
3815                           int element, boolean change_level)
3816 {
3817   int lx = sx + level_xpos;
3818   int ly = sy + level_ypos;
3819
3820   if (element == -1)
3821     DrawMiniElement(sx, sy, Feld[lx][ly]);
3822   else
3823     DrawAreaBorder(sx, sy, sx, sy);
3824 }
3825
3826 static void CopyLevelToUndoBuffer(int mode)
3827 {
3828   static boolean accumulated_undo = FALSE;
3829   boolean new_undo_buffer_position = TRUE;
3830   int last_border_element;
3831   int x, y;
3832
3833   switch (mode)
3834   {
3835     case UNDO_IMMEDIATE:
3836       accumulated_undo = FALSE;
3837       break;
3838
3839     case UNDO_ACCUMULATE:
3840       if (accumulated_undo)
3841         new_undo_buffer_position = FALSE;
3842       accumulated_undo = TRUE;
3843       break;
3844
3845     default:
3846       break;
3847   }
3848
3849   if (new_undo_buffer_position)
3850   {
3851     /* new position in undo buffer ring */
3852     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
3853
3854     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
3855       undo_buffer_steps++;
3856   }
3857
3858   for(x=0; x<lev_fieldx; x++)
3859     for(y=0; y<lev_fieldy; y++)
3860       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
3861
3862   /* check if drawing operation forces change of border style */
3863   last_border_element = BorderElement;
3864   SetBorderElement();
3865   if (BorderElement != last_border_element)
3866     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3867
3868 #if 0
3869 #ifdef DEBUG
3870   printf("level saved to undo buffer\n");
3871 #endif
3872 #endif
3873 }
3874
3875 static void RandomPlacement(int new_element)
3876 {
3877   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3878   int num_free_positions;
3879   int num_percentage;
3880   int num_elements;
3881   int x, y;
3882
3883   /* determine number of free positions for the new elements */
3884   /* (maybe this statement should be formatted a bit more readable...) */
3885   num_free_positions = 0;
3886   for (x=0; x<lev_fieldx; x++)
3887     for (y=0; y<lev_fieldy; y++)
3888       if ((free_position[x][y] =
3889            ((random_placement_background_restricted &&
3890              Feld[x][y] == random_placement_background_element) ||
3891             (!random_placement_background_restricted &&
3892              Feld[x][y] != new_element))) == TRUE)
3893         num_free_positions++;
3894
3895   /* determine number of new elements to place there */
3896   num_percentage = num_free_positions * random_placement_value / 100;
3897   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
3898                   num_percentage : random_placement_value);
3899
3900   /* if not more free positions than elements to place, fill whole level */
3901   if (num_elements >= num_free_positions)
3902   {
3903     for (x=0; x<lev_fieldx; x++)
3904       for (y=0; y<lev_fieldy; y++)
3905         Feld[x][y] = new_element;
3906
3907     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3908     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3909     return;
3910   }
3911
3912   while (num_elements > 0)
3913   {
3914     x = RND(lev_fieldx);
3915     y = RND(lev_fieldy);
3916
3917     /* don't place element at the same position twice */
3918     if (free_position[x][y])
3919     {
3920       free_position[x][y] = FALSE;
3921       Feld[x][y] = new_element;
3922       num_elements--;
3923     }
3924   }
3925
3926   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3927   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3928 }
3929
3930 void WrapLevel(int dx, int dy)
3931 {
3932   int wrap_dx = lev_fieldx - dx;
3933   int wrap_dy = lev_fieldy - dy;
3934   int x, y;
3935
3936   for(x=0; x<lev_fieldx; x++)
3937     for(y=0; y<lev_fieldy; y++)
3938       FieldBackup[x][y] = Feld[x][y];
3939
3940   for(x=0; x<lev_fieldx; x++)
3941     for(y=0; y<lev_fieldy; y++)
3942       Feld[x][y] =
3943         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
3944
3945   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3946   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
3947 }
3948
3949 static void HandleDrawingAreas(struct GadgetInfo *gi)
3950 {
3951   static boolean started_inside_drawing_area = FALSE;
3952   int id = gi->custom_id;
3953   boolean button_press_event;
3954   boolean button_release_event;
3955   boolean inside_drawing_area = !gi->event.off_borders;
3956   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
3957   int actual_drawing_function;
3958   int button = gi->event.button;
3959   int new_element = BUTTON_ELEMENT(button);
3960   int sx = gi->event.x, sy = gi->event.y;
3961   int min_sx = 0, min_sy = 0;
3962   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
3963   int lx = 0, ly = 0;
3964   int min_lx = 0, min_ly = 0;
3965   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
3966   int x, y;
3967
3968   /* handle info callback for each invocation of action callback */
3969   gi->callback_info(gi);
3970
3971   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
3972   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
3973
3974   /* make sure to stay inside drawing area boundaries */
3975   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
3976   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
3977
3978   if (draw_level)
3979   {
3980     /* get positions inside level field */
3981     lx = sx + level_xpos;
3982     ly = sy + level_ypos;
3983
3984     if (!IN_LEV_FIELD(lx, ly))
3985       inside_drawing_area = FALSE;
3986
3987     /* make sure to stay inside level field boundaries */
3988     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
3989     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
3990
3991     /* correct drawing area positions accordingly */
3992     sx = lx - level_xpos;
3993     sy = ly - level_ypos;
3994   }
3995
3996   if (button_press_event)
3997     started_inside_drawing_area = inside_drawing_area;
3998
3999   if (!started_inside_drawing_area)
4000     return;
4001
4002   if (!button && !button_release_event)
4003     return;
4004
4005   /* automatically switch to 'single item' drawing mode, if needed */
4006   actual_drawing_function =
4007     (draw_level ? drawing_function : GADGET_ID_SINGLE_ITEMS);
4008
4009   switch (actual_drawing_function)
4010   {
4011     case GADGET_ID_SINGLE_ITEMS:
4012       if (draw_level)
4013       {
4014         if (button_release_event)
4015         {
4016           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4017
4018           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
4019               !inside_drawing_area)
4020             DeleteBrushFromCursor();
4021         }
4022
4023         if (!button)
4024           break;
4025
4026         if (draw_with_brush)
4027         {
4028           if (!button_release_event)
4029             CopyBrushToLevel(sx, sy, button);
4030         }
4031         else if (new_element != Feld[lx][ly])
4032         {
4033           if (new_element == EL_PLAYER_1)
4034           {
4035             /* remove player at old position */
4036             for(y=0; y<lev_fieldy; y++)
4037             {
4038               for(x=0; x<lev_fieldx; x++)
4039               {
4040                 if (Feld[x][y] == EL_PLAYER_1)
4041                 {
4042                   Feld[x][y] = EL_EMPTY;
4043                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
4044                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
4045                     DrawMiniElement(x - level_xpos, y - level_ypos,
4046                                     EL_EMPTY);
4047                 }
4048               }
4049             }
4050           }
4051
4052           Feld[lx][ly] = new_element;
4053           DrawMiniElement(sx, sy, new_element);
4054         }
4055       }
4056       else
4057       {
4058         DrawMiniGraphicExt(drawto,
4059                            gi->x + sx * MINI_TILEX,
4060                            gi->y + sy * MINI_TILEY,
4061                            el2edimg(new_element));
4062         DrawMiniGraphicExt(window,
4063                            gi->x + sx * MINI_TILEX,
4064                            gi->y + sy * MINI_TILEY,
4065                            el2edimg(new_element));
4066
4067         if (id == GADGET_ID_AMOEBA_CONTENT)
4068           level.amoeba_content = new_element;
4069         else if (id == GADGET_ID_RANDOM_BACKGROUND)
4070           random_placement_background_element = new_element;
4071         else if (id >= GADGET_ID_ELEM_CONTENT_0 &&
4072                  id <= GADGET_ID_ELEM_CONTENT_7)
4073           level.yam_content[id - GADGET_ID_ELEM_CONTENT_0][sx][sy] =
4074             new_element;
4075       }
4076       break;
4077
4078     case GADGET_ID_CONNECTED_ITEMS:
4079       {
4080         static int last_sx = -1;
4081         static int last_sy = -1;
4082
4083         if (button_release_event)
4084           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4085
4086         if (button)
4087         {
4088           if (!button_press_event)
4089             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
4090
4091           last_sx = sx;
4092           last_sy = sy;
4093         }
4094       }
4095       break;
4096
4097     case GADGET_ID_LINE:
4098     case GADGET_ID_ARC:
4099     case GADGET_ID_RECTANGLE:
4100     case GADGET_ID_FILLED_BOX:
4101     case GADGET_ID_GRAB_BRUSH:
4102     case GADGET_ID_TEXT:
4103       {
4104         static int last_sx = -1;
4105         static int last_sy = -1;
4106         static int start_sx = -1;
4107         static int start_sy = -1;
4108         void (*draw_func)(int, int, int, int, int, boolean);
4109
4110         if (drawing_function == GADGET_ID_LINE)
4111           draw_func = DrawLine;
4112         else if (drawing_function == GADGET_ID_ARC)
4113           draw_func = DrawArc;
4114         else if (drawing_function == GADGET_ID_RECTANGLE)
4115           draw_func = DrawBox;
4116         else if (drawing_function == GADGET_ID_FILLED_BOX)
4117           draw_func = DrawFilledBox;
4118         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
4119           draw_func = SelectArea;
4120         else /* (drawing_function == GADGET_ID_TEXT) */
4121           draw_func = SetTextCursor;
4122
4123         if (button_press_event)
4124         {
4125           draw_func(sx, sy, sx, sy, new_element, FALSE);
4126           start_sx = last_sx = sx;
4127           start_sy = last_sy = sy;
4128
4129           if (drawing_function == GADGET_ID_TEXT)
4130             DrawLevelText(0, 0, 0, TEXT_END);
4131         }
4132         else if (button_release_event)
4133         {
4134           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
4135           if (drawing_function == GADGET_ID_GRAB_BRUSH)
4136           {
4137             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
4138             CopyBrushToCursor(sx, sy);
4139             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
4140                           MB_LEFTBUTTON);
4141             draw_with_brush = TRUE;
4142           }
4143           else if (drawing_function == GADGET_ID_TEXT)
4144             DrawLevelText(sx, sy, 0, TEXT_INIT);
4145           else
4146             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4147         }
4148         else if (last_sx != sx || last_sy != sy)
4149         {
4150           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
4151           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
4152           last_sx = sx;
4153           last_sy = sy;
4154         }
4155       }
4156       break;
4157
4158     case GADGET_ID_FLOOD_FILL:
4159       if (button_press_event && Feld[lx][ly] != new_element)
4160       {
4161         FloodFill(lx, ly, new_element);
4162         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4163         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4164       }
4165       break;
4166
4167     case GADGET_ID_PICK_ELEMENT:
4168       if (button_release_event)
4169         ClickOnGadget(level_editor_gadget[last_drawing_function],
4170                       MB_LEFTBUTTON);
4171       else
4172         PickDrawingElement(button, Feld[lx][ly]);
4173
4174       break;
4175
4176     default:
4177       break;
4178   }
4179 }
4180
4181 static void HandleCounterButtons(struct GadgetInfo *gi)
4182 {
4183   int gadget_id = gi->custom_id;
4184   int counter_id = gi->custom_type_id;
4185   int button = gi->event.button;
4186   int *counter_value = counterbutton_info[counter_id].value;
4187   int step = BUTTON_STEPSIZE(button) *
4188     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
4189
4190   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
4191   {
4192     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
4193     boolean released = (gi->event.type == GD_EVENT_RELEASED);
4194     boolean level_changed = LevelChanged();
4195
4196     if ((level_changed && pressed) || (!level_changed && released))
4197       return;
4198
4199     if (level_changed && !Request("Level has changed! Discard changes ?",
4200                                   REQ_ASK))
4201     {
4202       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
4203         ModifyEditorCounter(counter_id, *counter_value);
4204       return;
4205     }
4206   }
4207
4208   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
4209     *counter_value = gi->text.number_value;
4210   else
4211     ModifyEditorCounter(counter_id, *counter_value + step);
4212
4213   switch (counter_id)
4214   {
4215     case ED_COUNTER_ID_ELEM_CONTENT:
4216       DrawElementContentAreas();
4217       break;
4218
4219     case ED_COUNTER_ID_LEVEL_XSIZE:
4220     case ED_COUNTER_ID_LEVEL_YSIZE:
4221       lev_fieldx = level.fieldx;
4222       lev_fieldy = level.fieldy;
4223       break;
4224
4225     case ED_COUNTER_ID_SELECT_LEVEL:
4226       LoadLevel(level_nr);
4227       TapeErase();
4228       ResetUndoBuffer();
4229       DrawEditModeWindow();
4230       break;
4231
4232     default:
4233       break;
4234   }
4235 }
4236
4237 static void HandleTextInputGadgets(struct GadgetInfo *gi)
4238 {
4239   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
4240 }
4241
4242 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
4243 {
4244   *selectbox_info[gi->custom_type_id].index = gi->selectbox.index;
4245
4246 #if 1
4247   printf("Selected text value: '%s'\n",
4248          selectbox_info[gi->custom_type_id].values[gi->selectbox.index]);
4249 #endif
4250 }
4251
4252 static void HandleRadiobuttons(struct GadgetInfo *gi)
4253 {
4254   *radiobutton_info[gi->custom_type_id].value =
4255     radiobutton_info[gi->custom_type_id].checked_value;
4256 }
4257
4258 static void HandleCheckbuttons(struct GadgetInfo *gi)
4259 {
4260   int type_id = gi->custom_type_id;
4261
4262   *checkbutton_info[type_id].value ^= TRUE;
4263
4264   if (type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
4265       type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST)
4266     CopyCustomElementPropertiesToGame();
4267 }
4268
4269 static void HandleControlButtons(struct GadgetInfo *gi)
4270 {
4271   int id = gi->custom_id;
4272   int button = gi->event.button;
4273   int step = BUTTON_STEPSIZE(button);
4274   int new_element = BUTTON_ELEMENT(button);
4275   int i, x, y;
4276
4277   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
4278     DrawLevelText(0, 0, 0, TEXT_END);
4279
4280   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
4281       edit_mode != ED_MODE_DRAWING)
4282   {
4283     DrawDrawingWindow();
4284     edit_mode = ED_MODE_DRAWING;
4285   }
4286
4287   switch (id)
4288   {
4289     case GADGET_ID_SCROLL_LEFT:
4290       if (level_xpos >= 0)
4291       {
4292         if (lev_fieldx < ed_fieldx - 2)
4293           break;
4294
4295         level_xpos -= step;
4296         if (level_xpos < -1)
4297           level_xpos = -1;
4298         if (button == 1)
4299           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
4300         else
4301           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4302
4303         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4304                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
4305       }
4306       break;
4307
4308     case GADGET_ID_SCROLL_RIGHT:
4309       if (level_xpos <= lev_fieldx - ed_fieldx)
4310       {
4311         if (lev_fieldx < ed_fieldx - 2)
4312           break;
4313
4314         level_xpos += step;
4315         if (level_xpos > lev_fieldx - ed_fieldx + 1)
4316           level_xpos = lev_fieldx - ed_fieldx + 1;
4317         if (button == 1)
4318           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
4319         else
4320           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4321
4322         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4323                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
4324       }
4325       break;
4326
4327     case GADGET_ID_SCROLL_UP:
4328       if (level_ypos >= 0)
4329       {
4330         if (lev_fieldy < ed_fieldy - 2)
4331           break;
4332
4333         level_ypos -= step;
4334         if (level_ypos < -1)
4335           level_ypos = -1;
4336         if (button == 1)
4337           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
4338         else
4339           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4340
4341         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4342                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
4343       }
4344       break;
4345
4346     case GADGET_ID_SCROLL_DOWN:
4347       if (level_ypos <= lev_fieldy - ed_fieldy)
4348       {
4349         if (lev_fieldy < ed_fieldy - 2)
4350           break;
4351
4352         level_ypos += step;
4353         if (level_ypos > lev_fieldy - ed_fieldy + 1)
4354           level_ypos = lev_fieldy - ed_fieldy + 1;
4355         if (button == 1)
4356           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
4357         else
4358           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4359
4360         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4361                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
4362       }
4363       break;
4364
4365     case GADGET_ID_SCROLL_HORIZONTAL:
4366       level_xpos = gi->event.item_position - 1;
4367       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4368       break;
4369
4370     case GADGET_ID_SCROLL_VERTICAL:
4371       level_ypos = gi->event.item_position - 1;
4372       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4373       break;
4374
4375     case GADGET_ID_SCROLL_LIST_UP:
4376     case GADGET_ID_SCROLL_LIST_DOWN:
4377     case GADGET_ID_SCROLL_LIST_VERTICAL:
4378       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
4379         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
4380       else
4381       {
4382         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
4383         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
4384
4385         if (element_shift < 0)
4386           element_shift = 0;
4387         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
4388           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
4389
4390         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
4391                      GDI_SCROLLBAR_ITEM_POSITION,
4392                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
4393       }
4394
4395       for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4396       {
4397         int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4398         struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4399         struct GadgetDesign *gd = &gi->deco.design;
4400         int element = editor_elements[element_shift + i];
4401
4402         UnmapGadget(gi);
4403         getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
4404         ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4405         MapGadget(gi);
4406       }
4407       break;
4408
4409     case GADGET_ID_WRAP_LEFT:
4410       WrapLevel(-step, 0);
4411       break;
4412
4413     case GADGET_ID_WRAP_RIGHT:
4414       WrapLevel(step, 0);
4415       break;
4416
4417     case GADGET_ID_WRAP_UP:
4418       WrapLevel(0, -step);
4419       break;
4420
4421     case GADGET_ID_WRAP_DOWN:
4422       WrapLevel(0, step);
4423       break;
4424
4425     case GADGET_ID_SINGLE_ITEMS:
4426     case GADGET_ID_CONNECTED_ITEMS:
4427     case GADGET_ID_LINE:
4428     case GADGET_ID_ARC:
4429     case GADGET_ID_TEXT:
4430     case GADGET_ID_RECTANGLE:
4431     case GADGET_ID_FILLED_BOX:
4432     case GADGET_ID_FLOOD_FILL:
4433     case GADGET_ID_GRAB_BRUSH:
4434     case GADGET_ID_PICK_ELEMENT:
4435       last_drawing_function = drawing_function;
4436       drawing_function = id;
4437       draw_with_brush = FALSE;
4438       break;
4439
4440     case GADGET_ID_RANDOM_PLACEMENT:
4441       RandomPlacement(new_element);
4442       break;
4443
4444     case GADGET_ID_PROPERTIES:
4445       if (edit_mode != ED_MODE_PROPERTIES)
4446       {
4447         properties_element = new_element;
4448         DrawPropertiesWindow();
4449         edit_mode = ED_MODE_PROPERTIES;
4450       }
4451       else
4452       {
4453         DrawDrawingWindow();
4454         edit_mode = ED_MODE_DRAWING;
4455       }
4456       break;
4457
4458     case GADGET_ID_UNDO:
4459       if (undo_buffer_steps == 0)
4460       {
4461         Request("Undo buffer empty !", REQ_CONFIRM);
4462         break;
4463       }
4464
4465       undo_buffer_position =
4466         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
4467       undo_buffer_steps--;
4468
4469       for(x=0; x<lev_fieldx; x++)
4470         for(y=0; y<lev_fieldy; y++)
4471           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
4472       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
4473       break;
4474
4475     case GADGET_ID_INFO:
4476       if (edit_mode != ED_MODE_INFO)
4477       {
4478         DrawLevelInfoWindow();
4479         edit_mode = ED_MODE_INFO;
4480       }
4481       else
4482       {
4483         DrawDrawingWindow();
4484         edit_mode = ED_MODE_DRAWING;
4485       }
4486       break;
4487
4488     case GADGET_ID_CLEAR:
4489       for(x=0; x<MAX_LEV_FIELDX; x++)
4490         for(y=0; y<MAX_LEV_FIELDY; y++)
4491           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
4492       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
4493
4494       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4495       break;
4496
4497     case GADGET_ID_SAVE:
4498       if (leveldir_current->readonly)
4499       {
4500         Request("This level is read only !", REQ_CONFIRM);
4501         break;
4502       }
4503
4504       if (!LevelContainsPlayer)
4505         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
4506       else
4507       {
4508         if (Request("Save this level and kill the old ?", REQ_ASK))
4509         {
4510           CopyPlayfield(Feld, Ur);
4511
4512           SaveLevel(level_nr);
4513         }
4514       }
4515       break;
4516
4517     case GADGET_ID_TEST:
4518       if (!LevelContainsPlayer)
4519         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
4520       else
4521       {
4522         if (LevelChanged())
4523           level.game_version = GAME_VERSION_ACTUAL;
4524
4525         CopyPlayfield(Ur, FieldBackup);
4526         CopyPlayfield(Feld, Ur);
4527
4528         UnmapLevelEditorGadgets();
4529         UndrawSpecialEditorDoor();
4530
4531         CloseDoor(DOOR_CLOSE_ALL);
4532
4533         DrawCompleteVideoDisplay();
4534
4535         if (setup.autorecord)
4536           TapeStartRecording();
4537
4538         level_editor_test_game = TRUE;
4539         game_status = PLAYING;
4540
4541         InitGame();
4542       }
4543       break;
4544
4545     case GADGET_ID_EXIT:
4546       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
4547       break;
4548
4549     default:
4550       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
4551           id <= GADGET_ID_ELEMENTLIST_LAST)
4552       {
4553         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
4554         int new_element = editor_elements[element_position + element_shift];
4555
4556         PickDrawingElement(button, new_element);
4557
4558         if (!HAS_CONTENT(properties_element) ||
4559             !stick_element_properties_window)
4560         {
4561           properties_element = new_element;
4562           if (edit_mode == ED_MODE_PROPERTIES)
4563             DrawPropertiesWindow();
4564         }
4565
4566         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4567           ClickOnGadget(level_editor_gadget[last_drawing_function],
4568                         MB_LEFTBUTTON);
4569       }
4570 #ifdef DEBUG
4571       else if (gi->event.type == GD_EVENT_PRESSED)
4572         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
4573       else if (gi->event.type == GD_EVENT_RELEASED)
4574         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
4575       else if (gi->event.type == GD_EVENT_MOVING)
4576         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
4577       else
4578         printf("default: HandleControlButtons: ? (id == %d)\n", id);
4579 #endif
4580       break;
4581   }
4582 }
4583
4584 void HandleLevelEditorKeyInput(Key key)
4585 {
4586   char letter = getCharFromKey(key);
4587   int button = MB_LEFTBUTTON;
4588
4589   if (drawing_function == GADGET_ID_TEXT &&
4590       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
4591   {
4592     if (letter)
4593       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
4594     else if (key == KSYM_Delete || key == KSYM_BackSpace)
4595       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
4596     else if (key == KSYM_Return)
4597       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
4598     else if (key == KSYM_Escape)
4599       DrawLevelText(0, 0, 0, TEXT_END);
4600   }
4601   else if (button_status == MB_RELEASED)
4602   {
4603     int i, id = GADGET_ID_NONE;
4604
4605     switch (key)
4606     {
4607       case KSYM_Left:
4608         id = GADGET_ID_SCROLL_LEFT;
4609         break;
4610       case KSYM_Right:
4611         id = GADGET_ID_SCROLL_RIGHT;
4612         break;
4613       case KSYM_Up:
4614         id = GADGET_ID_SCROLL_UP;
4615         break;
4616       case KSYM_Down:
4617         id = GADGET_ID_SCROLL_DOWN;
4618         break;
4619       case KSYM_Page_Up:
4620         id = GADGET_ID_SCROLL_LIST_UP;
4621         button = MB_RIGHTBUTTON;
4622         break;
4623       case KSYM_Page_Down:
4624         id = GADGET_ID_SCROLL_LIST_DOWN;
4625         button = MB_RIGHTBUTTON;
4626         break;
4627
4628       case KSYM_Escape:
4629         if (edit_mode == ED_MODE_DRAWING)
4630         {
4631           RequestExitLevelEditor(setup.ask_on_escape);
4632         }
4633         else
4634         {
4635           DrawDrawingWindow();
4636           edit_mode = ED_MODE_DRAWING;
4637         }
4638         break;
4639
4640       default:
4641         break;
4642     }
4643
4644     if (id != GADGET_ID_NONE)
4645       ClickOnGadget(level_editor_gadget[id], button);
4646     else if (letter == '.')
4647       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
4648     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
4649       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
4650     else
4651       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
4652         if (letter && letter == control_info[i].shortcut)
4653           if (!anyTextGadgetActive())
4654             ClickOnGadget(level_editor_gadget[i], button);
4655   }
4656 }
4657
4658 void HandleLevelEditorIdle()
4659 {
4660   static unsigned long action_delay = 0;
4661   unsigned long action_delay_value = GameFrameDelay;
4662   int xpos = 1, ypos = 2;
4663
4664   if (edit_mode != ED_MODE_PROPERTIES)
4665     return;
4666
4667   if (!DelayReached(&action_delay, action_delay_value))
4668     return;
4669
4670   DrawGraphicAnimationExt(drawto,
4671                           SX + xpos * TILEX,
4672                           SY + ypos * TILEY + MINI_TILEY / 2,
4673                           el2edimg(properties_element), -1, NO_MASKING);
4674
4675   MarkTileDirty(xpos, ypos);
4676   MarkTileDirty(xpos, ypos + 1);
4677
4678   FrameCounter++;       /* increase animation frame counter */
4679 }
4680
4681 void ClearEditorGadgetInfoText()
4682 {
4683   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
4684 }
4685
4686 void HandleEditorGadgetInfoText(void *ptr)
4687 {
4688   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
4689   char infotext[MAX_OUTPUT_LINESIZE + 1];
4690   char shortcut[MAX_OUTPUT_LINESIZE + 1];
4691   int max_infotext_len = getMaxInfoTextLength();
4692
4693   if (game_status != LEVELED)
4694     return;
4695
4696   ClearEditorGadgetInfoText();
4697
4698   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4699     return;
4700
4701   /* misuse this function to delete brush cursor, if needed */
4702   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
4703     DeleteBrushFromCursor();
4704
4705   if (gi == NULL || gi->info_text == NULL)
4706     return;
4707
4708   strncpy(infotext, gi->info_text, max_infotext_len);
4709   infotext[max_infotext_len] = '\0';
4710
4711   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
4712   {
4713     int key = control_info[gi->custom_id].shortcut;
4714
4715     if (key)
4716     {
4717       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
4718         sprintf(shortcut, " ('.' or '%c')", key);
4719       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
4720         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
4721       else                                              /* normal case */
4722         sprintf(shortcut, " ('%s%c')",
4723                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
4724
4725       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
4726         strcat(infotext, shortcut);
4727     }
4728   }
4729
4730   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
4731 }
4732
4733 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
4734 {
4735   static int start_lx, start_ly;
4736   char *infotext;
4737   int id = gi->custom_id;
4738   int sx = gi->event.x;
4739   int sy = gi->event.y;
4740   int lx = sx + level_xpos;
4741   int ly = sy + level_ypos;
4742   int min_sx = 0, min_sy = 0;
4743   int max_sx = gi->drawing.area_xsize - 1;
4744   int max_sy = gi->drawing.area_ysize - 1;
4745
4746   ClearEditorGadgetInfoText();
4747
4748   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4749     return;
4750
4751   /* make sure to stay inside drawing area boundaries */
4752   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
4753   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
4754
4755   if (id == GADGET_ID_DRAWING_LEVEL)
4756   {
4757     if (button_status)
4758     {
4759       int min_lx = 0, min_ly = 0;
4760       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
4761
4762       /* get positions inside level field */
4763       lx = sx + level_xpos;
4764       ly = sy + level_ypos;
4765
4766       /* make sure to stay inside level field boundaries */
4767       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
4768       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
4769
4770       /* correct drawing area positions accordingly */
4771       sx = lx - level_xpos;
4772       sy = ly - level_ypos;
4773     }
4774
4775     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
4776     {
4777       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
4778       {
4779         if (gi->event.type == GD_EVENT_PRESSED)
4780         {
4781           start_lx = lx;
4782           start_ly = ly;
4783         }
4784
4785         switch (drawing_function)
4786         {
4787           case GADGET_ID_SINGLE_ITEMS:
4788             infotext = "Drawing single items";
4789             break;
4790           case GADGET_ID_CONNECTED_ITEMS:
4791             infotext = "Drawing connected items";
4792             break;
4793           case GADGET_ID_LINE:
4794             infotext = "Drawing line";
4795             break;
4796           case GADGET_ID_ARC:
4797             infotext = "Drawing arc";
4798             break;
4799           case GADGET_ID_TEXT:
4800             infotext = "Setting text cursor";
4801             break;
4802           case GADGET_ID_RECTANGLE:
4803             infotext = "Drawing rectangle";
4804             break;
4805           case GADGET_ID_FILLED_BOX:
4806             infotext = "Drawing filled box";
4807             break;
4808           case GADGET_ID_FLOOD_FILL:
4809             infotext = "Flood fill";
4810             break;
4811           case GADGET_ID_GRAB_BRUSH:
4812             infotext = "Grabbing brush";
4813             break;
4814           case GADGET_ID_PICK_ELEMENT:
4815             infotext = "Picking element";
4816             break;
4817
4818           default:
4819             infotext = "Drawing position";
4820             break;
4821         }
4822
4823         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4824           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4825                     "%s: %d, %d", infotext, lx, ly);
4826         else
4827           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4828                     "%s: %d, %d", infotext,
4829                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
4830       }
4831       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
4832         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4833                   "%s", getElementInfoText(Feld[lx][ly]));
4834       else
4835         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4836                   "Level position: %d, %d", lx, ly);
4837     }
4838
4839     /* misuse this function to draw brush cursor, if needed */
4840     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
4841     {
4842       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4843         CopyBrushToCursor(sx, sy);
4844       else
4845         DeleteBrushFromCursor();
4846     }
4847   }
4848   else if (id == GADGET_ID_AMOEBA_CONTENT)
4849     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4850               "Amoeba content");
4851   else if (id == GADGET_ID_RANDOM_BACKGROUND)
4852     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4853               "Random placement background");
4854   else
4855     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4856               "Content area %d position: %d, %d",
4857               id - GADGET_ID_ELEM_CONTENT_0 + 1, sx, sy);
4858 }
4859
4860 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
4861 {
4862   if (!ask_if_level_has_changed ||
4863       !LevelChanged() ||
4864       Request("Level has changed! Exit without saving ?",
4865               REQ_ASK | REQ_STAY_OPEN))
4866   {
4867     CloseDoor(DOOR_CLOSE_1);
4868     /*
4869     CloseDoor(DOOR_CLOSE_ALL);
4870     */
4871     game_status = MAINMENU;
4872     DrawMainMenu();
4873   }
4874   else
4875   {
4876     CloseDoor(DOOR_CLOSE_1);
4877     BlitBitmap(bitmap_db_door, bitmap_db_door,
4878                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
4879                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
4880     OpenDoor(DOOR_OPEN_1);
4881   }
4882 }