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('Ä'),
1367
1368   EL_CHAR('Ö'),
1369   EL_CHAR('Ü'),
1370   EL_CHAR('^'),
1371   EL_CHAR('_'),
1372
1373   EL_CHAR(' '),
1374   EL_CHAR('°'),
1375   EL_CHAR('´'),
1376   EL_CHAR('|')
1377 };
1378 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
1379
1380 static int editor_el_custom[] =
1381 {
1382   EL_CHAR('C'),
1383   EL_CHAR('U'),
1384   EL_CHAR('S'),
1385   EL_CHAR('-'),
1386
1387   EL_CHAR('T'),
1388   EL_CHAR('O'),
1389   EL_CHAR('M'),
1390   EL_CHAR(' '),
1391
1392   EL_CHAR('E'),
1393   EL_CHAR('L'),
1394   EL_CHAR('E'),
1395   EL_CHAR('M'),
1396
1397   EL_CHAR('E'),
1398   EL_CHAR('N'),
1399   EL_CHAR('T'),
1400   EL_CHAR('S'),
1401
1402   EL_CUSTOM_START + 0,
1403   EL_CUSTOM_START + 1,
1404   EL_CUSTOM_START + 2,
1405   EL_CUSTOM_START + 3,
1406
1407   EL_CUSTOM_START + 4,
1408   EL_CUSTOM_START + 5,
1409   EL_CUSTOM_START + 6,
1410   EL_CUSTOM_START + 7,
1411
1412   EL_CUSTOM_START + 8,
1413   EL_CUSTOM_START + 9,
1414   EL_CUSTOM_START + 10,
1415   EL_CUSTOM_START + 11,
1416
1417   EL_CUSTOM_START + 12,
1418   EL_CUSTOM_START + 13,
1419   EL_CUSTOM_START + 14,
1420   EL_CUSTOM_START + 15,
1421
1422   EL_CUSTOM_START + 16,
1423   EL_CUSTOM_START + 17,
1424   EL_CUSTOM_START + 18,
1425   EL_CUSTOM_START + 19,
1426
1427   EL_CUSTOM_START + 20,
1428   EL_CUSTOM_START + 21,
1429   EL_CUSTOM_START + 22,
1430   EL_CUSTOM_START + 23,
1431
1432   EL_CUSTOM_START + 24,
1433   EL_CUSTOM_START + 25,
1434   EL_CUSTOM_START + 26,
1435   EL_CUSTOM_START + 27,
1436
1437   EL_CUSTOM_START + 28,
1438   EL_CUSTOM_START + 29,
1439   EL_CUSTOM_START + 30,
1440   EL_CUSTOM_START + 31,
1441
1442   EL_CUSTOM_START + 32,
1443   EL_CUSTOM_START + 33,
1444   EL_CUSTOM_START + 34,
1445   EL_CUSTOM_START + 35,
1446
1447   EL_CUSTOM_START + 36,
1448   EL_CUSTOM_START + 37,
1449   EL_CUSTOM_START + 38,
1450   EL_CUSTOM_START + 39,
1451
1452   EL_CUSTOM_START + 40,
1453   EL_CUSTOM_START + 41,
1454   EL_CUSTOM_START + 42,
1455   EL_CUSTOM_START + 43,
1456
1457   EL_CUSTOM_START + 44,
1458   EL_CUSTOM_START + 45,
1459   EL_CUSTOM_START + 46,
1460   EL_CUSTOM_START + 47,
1461
1462   EL_CUSTOM_START + 48,
1463   EL_CUSTOM_START + 49,
1464   EL_CUSTOM_START + 50,
1465   EL_CUSTOM_START + 51,
1466
1467   EL_CUSTOM_START + 52,
1468   EL_CUSTOM_START + 53,
1469   EL_CUSTOM_START + 54,
1470   EL_CUSTOM_START + 55,
1471
1472   EL_CUSTOM_START + 56,
1473   EL_CUSTOM_START + 57,
1474   EL_CUSTOM_START + 58,
1475   EL_CUSTOM_START + 59,
1476
1477   EL_CUSTOM_START + 60,
1478   EL_CUSTOM_START + 61,
1479   EL_CUSTOM_START + 62,
1480   EL_CUSTOM_START + 63,
1481
1482   EL_CUSTOM_START + 64,
1483   EL_CUSTOM_START + 65,
1484   EL_CUSTOM_START + 66,
1485   EL_CUSTOM_START + 67,
1486
1487   EL_CUSTOM_START + 68,
1488   EL_CUSTOM_START + 69,
1489   EL_CUSTOM_START + 70,
1490   EL_CUSTOM_START + 71,
1491
1492   EL_CUSTOM_START + 72,
1493   EL_CUSTOM_START + 73,
1494   EL_CUSTOM_START + 74,
1495   EL_CUSTOM_START + 75,
1496
1497   EL_CUSTOM_START + 76,
1498   EL_CUSTOM_START + 77,
1499   EL_CUSTOM_START + 78,
1500   EL_CUSTOM_START + 79,
1501
1502   EL_CUSTOM_START + 80,
1503   EL_CUSTOM_START + 81,
1504   EL_CUSTOM_START + 82,
1505   EL_CUSTOM_START + 83,
1506
1507   EL_CUSTOM_START + 84,
1508   EL_CUSTOM_START + 85,
1509   EL_CUSTOM_START + 86,
1510   EL_CUSTOM_START + 87,
1511
1512   EL_CUSTOM_START + 88,
1513   EL_CUSTOM_START + 89,
1514   EL_CUSTOM_START + 90,
1515   EL_CUSTOM_START + 91,
1516
1517   EL_CUSTOM_START + 92,
1518   EL_CUSTOM_START + 93,
1519   EL_CUSTOM_START + 94,
1520   EL_CUSTOM_START + 95,
1521
1522   EL_CUSTOM_START + 96,
1523   EL_CUSTOM_START + 97,
1524   EL_CUSTOM_START + 98,
1525   EL_CUSTOM_START + 99,
1526
1527   EL_CUSTOM_START + 100,
1528   EL_CUSTOM_START + 101,
1529   EL_CUSTOM_START + 102,
1530   EL_CUSTOM_START + 103,
1531
1532   EL_CUSTOM_START + 104,
1533   EL_CUSTOM_START + 105,
1534   EL_CUSTOM_START + 106,
1535   EL_CUSTOM_START + 107,
1536
1537   EL_CUSTOM_START + 108,
1538   EL_CUSTOM_START + 109,
1539   EL_CUSTOM_START + 110,
1540   EL_CUSTOM_START + 111,
1541
1542   EL_CUSTOM_START + 112,
1543   EL_CUSTOM_START + 113,
1544   EL_CUSTOM_START + 114,
1545   EL_CUSTOM_START + 115,
1546
1547   EL_CUSTOM_START + 116,
1548   EL_CUSTOM_START + 117,
1549   EL_CUSTOM_START + 118,
1550   EL_CUSTOM_START + 119,
1551
1552   EL_CUSTOM_START + 120,
1553   EL_CUSTOM_START + 121,
1554   EL_CUSTOM_START + 122,
1555   EL_CUSTOM_START + 123,
1556
1557   EL_CUSTOM_START + 124,
1558   EL_CUSTOM_START + 125,
1559   EL_CUSTOM_START + 126,
1560   EL_CUSTOM_START + 127
1561 };
1562 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
1563
1564 static int *editor_elements = NULL;     /* dynamically allocated */
1565 static int num_editor_elements = 0;     /* dynamically determined */
1566
1567 static struct
1568 {
1569   boolean *setup_value;
1570   int *element_list;
1571   int *element_list_size;
1572
1573   boolean last_setup_value;
1574 }
1575 editor_elements_info[] =
1576 {
1577   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
1578     &num_editor_el_boulderdash                                          },
1579   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
1580     &num_editor_el_emerald_mine                                         },
1581   { &setup.editor.el_more,              editor_el_more,
1582     &num_editor_el_more                                                 },
1583   { &setup.editor.el_sokoban,           editor_el_sokoban,
1584     &num_editor_el_sokoban                                              },
1585   { &setup.editor.el_supaplex,          editor_el_supaplex,
1586     &num_editor_el_supaplex                                             },
1587   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
1588     &num_editor_el_diamond_caves                                        },
1589   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
1590     &num_editor_el_dx_boulderdash                                       },
1591   { &setup.editor.el_chars,             editor_el_chars,
1592     &num_editor_el_chars                                                },
1593   { &setup.editor.el_custom,            editor_el_custom,
1594     &num_editor_el_custom                                               },
1595   { NULL,                               NULL,
1596     NULL                                                                }
1597 };
1598
1599 static void ReinitializeElementList()
1600 {
1601   int pos = 0;
1602   int i, j;
1603
1604   if (editor_elements != NULL)
1605     free(editor_elements);
1606
1607   num_editor_elements = 0;
1608
1609   /* determine size of element list */
1610   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1611     if (*editor_elements_info[i].setup_value)
1612       num_editor_elements += *editor_elements_info[i].element_list_size;
1613
1614   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
1615   {
1616     /* workaround: offer at least as many elements as element buttons exist */
1617     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
1618
1619     *editor_elements_info[list_nr].setup_value = TRUE;
1620     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
1621   }
1622
1623   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
1624
1625   /* fill element list */
1626   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1627     if (*editor_elements_info[i].setup_value)
1628       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
1629         editor_elements[pos++] = editor_elements_info[i].element_list[j];
1630 }
1631
1632 static void ReinitializeElementListButtons()
1633 {
1634   static boolean initialization_needed = TRUE;
1635   int i;
1636
1637   if (!initialization_needed)   /* check if editor element setup has changed */
1638     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1639       if (editor_elements_info[i].last_setup_value !=
1640           *editor_elements_info[i].setup_value)
1641         initialization_needed = TRUE;
1642
1643   if (!initialization_needed)
1644     return;
1645
1646   FreeLevelEditorGadgets();
1647   CreateLevelEditorGadgets();
1648
1649   /* store current setup values for next invocation of this function */
1650   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1651     editor_elements_info[i].last_setup_value =
1652       *editor_elements_info[i].setup_value;
1653
1654   initialization_needed = FALSE;
1655 }
1656
1657 static int getCounterGadgetWidth()
1658 {
1659   return (DXSIZE + getFontWidth(FONT_INPUT) - 2 * ED_GADGET_DISTANCE);
1660 }
1661
1662 static int getMaxInfoTextLength()
1663 {
1664   return (SXSIZE / getFontWidth(FONT_TEXT_2));
1665 }
1666
1667 static char *getElementInfoText(int element)
1668 {
1669   char *info_text = NULL;
1670
1671   if (element < NUM_FILE_ELEMENTS)
1672   {
1673     if (element_info[element].custom_description != NULL)
1674       info_text = element_info[element].custom_description;
1675     else if (element_info[element].editor_description != NULL)
1676       info_text = element_info[element].editor_description;
1677   }
1678
1679   if (info_text == NULL)
1680   {
1681     info_text = "unknown";
1682
1683     Error(ERR_WARN, "no element description for element %d", element);
1684   }
1685
1686   return info_text;
1687 }
1688
1689 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
1690 {
1691   int x,y;
1692   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
1693   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
1694
1695   BlitBitmap(drawto, drawto,
1696              SX + (dx == -1 ? MINI_TILEX : 0),
1697              SY + (dy == -1 ? MINI_TILEY : 0),
1698              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
1699              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
1700              SX + (dx == +1 ? MINI_TILEX : 0),
1701              SY + (dy == +1 ? MINI_TILEY : 0));
1702   if (dx)
1703   {
1704     x = (dx == 1 ? 0 : ed_fieldx - 1);
1705     for(y=0; y<ed_fieldy; y++)
1706       DrawMiniElementOrWall(x, y, from_x, from_y);
1707   }
1708   else if (dy)
1709   {
1710     y = (dy == 1 ? 0 : ed_fieldy - 1);
1711     for(x=0; x<ed_fieldx; x++)
1712       DrawMiniElementOrWall(x, y, from_x, from_y);
1713   }
1714
1715   redraw_mask |= REDRAW_FIELD;
1716   BackToFront();
1717 }
1718
1719 static void CreateControlButtons()
1720 {
1721   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
1722   struct GadgetInfo *gi;
1723   unsigned long event_mask;
1724   int i;
1725
1726   /* create toolbox buttons */
1727   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
1728   {
1729     int id = i;
1730     int width, height;
1731     int gd_xoffset, gd_yoffset;
1732     int gd_x1, gd_x2, gd_y1, gd_y2;
1733     int button_type;
1734     int radio_button_nr;
1735     boolean checked;
1736
1737     if (id == GADGET_ID_SINGLE_ITEMS ||
1738         id == GADGET_ID_CONNECTED_ITEMS ||
1739         id == GADGET_ID_LINE ||
1740         id == GADGET_ID_ARC ||
1741         id == GADGET_ID_TEXT ||
1742         id == GADGET_ID_RECTANGLE ||
1743         id == GADGET_ID_FILLED_BOX ||
1744         id == GADGET_ID_FLOOD_FILL ||
1745         id == GADGET_ID_GRAB_BRUSH ||
1746         id == GADGET_ID_PICK_ELEMENT)
1747     {
1748       button_type = GD_TYPE_RADIO_BUTTON;
1749       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
1750       checked = (id == drawing_function ? TRUE : FALSE);
1751       event_mask = GD_EVENT_PRESSED;
1752     }
1753     else
1754     {
1755       button_type = GD_TYPE_NORMAL_BUTTON;
1756       radio_button_nr = RADIO_NR_NONE;
1757       checked = FALSE;
1758
1759       if (id == GADGET_ID_WRAP_LEFT ||
1760           id == GADGET_ID_WRAP_RIGHT ||
1761           id == GADGET_ID_WRAP_UP ||
1762           id == GADGET_ID_WRAP_DOWN)
1763         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1764       else
1765         event_mask = GD_EVENT_RELEASED;
1766     }
1767
1768     if (id < ED_NUM_CTRL1_BUTTONS)
1769     {
1770       int x = i % ED_CTRL1_BUTTONS_HORIZ;
1771       int y = i / ED_CTRL1_BUTTONS_HORIZ;
1772
1773       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
1774       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
1775       width = ED_CTRL1_BUTTON_XSIZE;
1776       height = ED_CTRL1_BUTTON_YSIZE;
1777     }
1778     else
1779     {
1780       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
1781       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
1782
1783       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
1784       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
1785       width = ED_CTRL2_BUTTON_XSIZE;
1786       height = ED_CTRL2_BUTTON_YSIZE;
1787     }
1788
1789     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
1790     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
1791     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
1792     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
1793
1794     gi = CreateGadget(GDI_CUSTOM_ID, id,
1795                       GDI_CUSTOM_TYPE_ID, i,
1796                       GDI_INFO_TEXT, control_info[i].text,
1797                       GDI_X, EX + gd_xoffset,
1798                       GDI_Y, EY + gd_yoffset,
1799                       GDI_WIDTH, width,
1800                       GDI_HEIGHT, height,
1801                       GDI_TYPE, button_type,
1802                       GDI_STATE, GD_BUTTON_UNPRESSED,
1803                       GDI_RADIO_NR, radio_button_nr,
1804                       GDI_CHECKED, checked,
1805                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
1806                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
1807                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
1808                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
1809                       GDI_EVENT_MASK, event_mask,
1810                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1811                       GDI_CALLBACK_ACTION, HandleControlButtons,
1812                       GDI_END);
1813
1814     if (gi == NULL)
1815       Error(ERR_EXIT, "cannot create gadget");
1816
1817     level_editor_gadget[id] = gi;
1818   }
1819
1820   /* create buttons for scrolling of drawing area and element list */
1821   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
1822   {
1823     int id = scrollbutton_info[i].gadget_id;
1824     int x, y, width, height;
1825     int gd_x1, gd_x2, gd_y1, gd_y2;
1826
1827     x = scrollbutton_info[i].x;
1828     y = scrollbutton_info[i].y;
1829
1830     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1831
1832     if (id == GADGET_ID_SCROLL_LIST_UP ||
1833         id == GADGET_ID_SCROLL_LIST_DOWN)
1834     {
1835       x += DX;
1836       y += DY;
1837       width = ED_SCROLLBUTTON2_XSIZE;
1838       height = ED_SCROLLBUTTON2_YSIZE;
1839       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
1840       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
1841       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
1842       gd_y2 = gd_y1;
1843     }
1844     else
1845     {
1846       x += SX;
1847       y += SY;
1848       width = ED_SCROLLBUTTON_XSIZE;
1849       height = ED_SCROLLBUTTON_YSIZE;
1850       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
1851       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
1852       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
1853       gd_y2 = gd_y1;
1854     }
1855
1856     gi = CreateGadget(GDI_CUSTOM_ID, id,
1857                       GDI_CUSTOM_TYPE_ID, i,
1858                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
1859                       GDI_X, x,
1860                       GDI_Y, y,
1861                       GDI_WIDTH, width,
1862                       GDI_HEIGHT, height,
1863                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1864                       GDI_STATE, GD_BUTTON_UNPRESSED,
1865                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
1866                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
1867                       GDI_EVENT_MASK, event_mask,
1868                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1869                       GDI_CALLBACK_ACTION, HandleControlButtons,
1870                       GDI_END);
1871
1872     if (gi == NULL)
1873       Error(ERR_EXIT, "cannot create gadget");
1874
1875     level_editor_gadget[id] = gi;
1876   }
1877
1878   /* create buttons for element list */
1879   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
1880   {
1881     Bitmap *deco_bitmap;
1882     int deco_x, deco_y, deco_xpos, deco_ypos;
1883     int gd_xoffset, gd_yoffset;
1884     int gd_x1, gd_x2, gd_y;
1885     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
1886     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
1887     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
1888     int element = editor_elements[i];
1889
1890     event_mask = GD_EVENT_RELEASED;
1891
1892     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
1893     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
1894
1895     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
1896     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
1897     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
1898
1899     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
1900     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
1901     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
1902
1903     gi = CreateGadget(GDI_CUSTOM_ID, id,
1904                       GDI_CUSTOM_TYPE_ID, i,
1905                       GDI_INFO_TEXT, getElementInfoText(element),
1906                       GDI_X, DX + gd_xoffset,
1907                       GDI_Y, DY + gd_yoffset,
1908                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
1909                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
1910                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1911                       GDI_STATE, GD_BUTTON_UNPRESSED,
1912                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
1913                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
1914                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
1915                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
1916                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
1917                       GDI_DECORATION_SHIFTING, 1, 1,
1918                       GDI_EVENT_MASK, event_mask,
1919                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1920                       GDI_CALLBACK_ACTION, HandleControlButtons,
1921                       GDI_END);
1922
1923     if (gi == NULL)
1924       Error(ERR_EXIT, "cannot create gadget");
1925
1926     level_editor_gadget[id] = gi;
1927   }
1928 }
1929
1930 static void CreateCounterButtons()
1931 {
1932   int max_infotext_len = getMaxInfoTextLength();
1933   int i;
1934
1935   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
1936   {
1937     int j;
1938     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
1939     int ypos = SY + counterbutton_info[i].y;
1940
1941     for (j=0; j<2; j++)
1942     {
1943       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
1944       struct GadgetInfo *gi;
1945       int id = (j == 0 ?
1946                 counterbutton_info[i].gadget_id_down :
1947                 counterbutton_info[i].gadget_id_up);
1948       int gd_xoffset;
1949       int gd_x, gd_x1, gd_x2, gd_y;
1950       int x_size, y_size;
1951       unsigned long event_mask;
1952       char infotext[max_infotext_len + 1];
1953
1954       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1955
1956       if (i == ED_COUNTER_ID_SELECT_LEVEL)
1957       {
1958         int sid = (j == 0 ?
1959                    ED_SCROLLBUTTON_ID_AREA_LEFT :
1960                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
1961
1962         event_mask |= GD_EVENT_RELEASED;
1963
1964         if (j == 1)
1965           xpos += 2 * ED_GADGET_DISTANCE;
1966         ypos += ED_GADGET_DISTANCE;
1967
1968         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].xpos;
1969         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
1970         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].ypos;
1971         x_size = ED_SCROLLBUTTON_XSIZE;
1972         y_size = ED_SCROLLBUTTON_YSIZE;
1973       }
1974       else
1975       {
1976         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
1977         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
1978         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
1979         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
1980         x_size = ED_BUTTON_COUNT_XSIZE;
1981         y_size = ED_BUTTON_COUNT_YSIZE;
1982       }
1983
1984       sprintf(infotext, "%s counter value by 1, 5 or 10",
1985               (j == 0 ? "decrease" : "increase"));
1986
1987       gi = CreateGadget(GDI_CUSTOM_ID, id,
1988                         GDI_CUSTOM_TYPE_ID, i,
1989                         GDI_INFO_TEXT, infotext,
1990                         GDI_X, xpos,
1991                         GDI_Y, ypos,
1992                         GDI_WIDTH, x_size,
1993                         GDI_HEIGHT, y_size,
1994                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1995                         GDI_STATE, GD_BUTTON_UNPRESSED,
1996                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
1997                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
1998                         GDI_EVENT_MASK, event_mask,
1999                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2000                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2001                         GDI_END);
2002
2003       if (gi == NULL)
2004         Error(ERR_EXIT, "cannot create gadget");
2005
2006       level_editor_gadget[id] = gi;
2007       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
2008
2009       if (j == 0)
2010       {
2011         int font_type = FONT_INPUT;
2012         int gd_width = ED_WIN_COUNT_XSIZE;
2013
2014         id = counterbutton_info[i].gadget_id_text;
2015         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2016
2017         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2018         {
2019           font_type = FONT_LEVEL_NUMBER;
2020
2021           xpos += 2 * ED_GADGET_DISTANCE;
2022           ypos -= ED_GADGET_DISTANCE;
2023
2024           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2025           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2026           gd_width = ED_WIN_COUNT2_XSIZE;
2027         }
2028         else
2029         {
2030           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2031           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2032         }
2033
2034         gi = CreateGadget(GDI_CUSTOM_ID, id,
2035                           GDI_CUSTOM_TYPE_ID, i,
2036                           GDI_INFO_TEXT, "enter counter value",
2037                           GDI_X, xpos,
2038                           GDI_Y, ypos,
2039                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2040                           GDI_NUMBER_VALUE, 0,
2041                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2042                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2043                           GDI_TEXT_SIZE, 3,
2044                           GDI_TEXT_FONT, font_type,
2045                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2046                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2047                           GDI_BORDER_SIZE, ED_BORDER_SIZE,
2048                           GDI_TEXTINPUT_DESIGN_WIDTH, gd_width,
2049                           GDI_EVENT_MASK, event_mask,
2050                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2051                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2052                           GDI_END);
2053
2054         if (gi == NULL)
2055           Error(ERR_EXIT, "cannot create gadget");
2056
2057         level_editor_gadget[id] = gi;
2058         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
2059       }
2060     }
2061   }
2062 }
2063
2064 static void CreateDrawingAreas()
2065 {
2066   struct GadgetInfo *gi;
2067   unsigned long event_mask;
2068   int id;
2069   int i;
2070
2071   event_mask =
2072     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
2073     GD_EVENT_OFF_BORDERS;
2074
2075   /* one for the level drawing area ... */
2076   id = GADGET_ID_DRAWING_LEVEL;
2077   gi = CreateGadget(GDI_CUSTOM_ID, id,
2078                     GDI_X, SX,
2079                     GDI_Y, SY,
2080                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2081                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2082                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2083                     GDI_EVENT_MASK, event_mask,
2084                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2085                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2086                     GDI_END);
2087
2088   if (gi == NULL)
2089     Error(ERR_EXIT, "cannot create gadget");
2090
2091   level_editor_gadget[id] = gi;
2092
2093   /* ... up to eight areas for element content ... */
2094   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2095   {
2096     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
2097     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
2098
2099     id = GADGET_ID_ELEM_CONTENT_0 + i;
2100     gi = CreateGadget(GDI_CUSTOM_ID, id,
2101                       GDI_CUSTOM_TYPE_ID, i,
2102                       GDI_X, gx,
2103                       GDI_Y, gy,
2104                       GDI_WIDTH, 3 * MINI_TILEX,
2105                       GDI_HEIGHT, 3 * MINI_TILEY,
2106                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2107                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2108                       GDI_EVENT_MASK, event_mask,
2109                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2110                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2111                       GDI_END);
2112
2113     if (gi == NULL)
2114       Error(ERR_EXIT, "cannot create gadget");
2115
2116     level_editor_gadget[id] = gi;
2117   }
2118
2119   /* ... one for the amoeba content */
2120   id = GADGET_ID_AMOEBA_CONTENT;
2121   gi = CreateGadget(GDI_CUSTOM_ID, id,
2122                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2123                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2124                     GDI_WIDTH, MINI_TILEX,
2125                     GDI_HEIGHT, MINI_TILEY,
2126                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2127                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2128                     GDI_EVENT_MASK, event_mask,
2129                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2130                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2131                     GDI_END);
2132
2133   if (gi == NULL)
2134     Error(ERR_EXIT, "cannot create gadget");
2135
2136   level_editor_gadget[id] = gi;
2137
2138   /* ... and one for random placement background restrictions */
2139
2140   id = GADGET_ID_RANDOM_BACKGROUND;
2141   gi = CreateGadget(GDI_CUSTOM_ID, id,
2142                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2143                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2144                     GDI_WIDTH, MINI_TILEX,
2145                     GDI_HEIGHT, MINI_TILEY,
2146                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2147                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2148                     GDI_EVENT_MASK, event_mask,
2149                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2150                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2151                     GDI_END);
2152
2153   if (gi == NULL)
2154     Error(ERR_EXIT, "cannot create gadget");
2155
2156   level_editor_gadget[id] = gi;
2157 }
2158
2159 static void CreateTextInputGadgets()
2160 {
2161   int max_infotext_len = getMaxInfoTextLength();
2162   int i;
2163
2164   for (i=0; i<ED_NUM_TEXTINPUT; i++)
2165   {
2166     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2167     int gd_x, gd_y;
2168     struct GadgetInfo *gi;
2169     unsigned long event_mask;
2170     char infotext[MAX_OUTPUT_LINESIZE + 1];
2171     int id = textinput_info[i].gadget_id;
2172
2173     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2174
2175     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2176     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2177
2178     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
2179     infotext[max_infotext_len] = '\0';
2180
2181     gi = CreateGadget(GDI_CUSTOM_ID, id,
2182                       GDI_CUSTOM_TYPE_ID, i,
2183                       GDI_INFO_TEXT, infotext,
2184                       GDI_X, SX + textinput_info[i].x,
2185                       GDI_Y, SY + textinput_info[i].y,
2186                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
2187                       GDI_TEXT_VALUE, textinput_info[i].value,
2188                       GDI_TEXT_SIZE, textinput_info[i].size,
2189                       GDI_TEXT_FONT, FONT_INPUT,
2190                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2191                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2192                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
2193                       GDI_TEXTINPUT_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2194                       GDI_EVENT_MASK, event_mask,
2195                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2196                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
2197                       GDI_END);
2198
2199     if (gi == NULL)
2200       Error(ERR_EXIT, "cannot create gadget");
2201
2202     level_editor_gadget[id] = gi;
2203   }
2204 }
2205
2206 static void CreateSelectboxGadgets()
2207 {
2208   int max_infotext_len = getMaxInfoTextLength();
2209   int i;
2210
2211   for (i=0; i<ED_NUM_SELECTBOX; i++)
2212   {
2213     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2214     int gd_x, gd_y;
2215     struct GadgetInfo *gi;
2216     unsigned long event_mask;
2217     char infotext[MAX_OUTPUT_LINESIZE + 1];
2218     int id = selectbox_info[i].gadget_id;
2219
2220     event_mask = GD_EVENT_RELEASED |
2221       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2222
2223     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
2224     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
2225
2226     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
2227     infotext[max_infotext_len] = '\0';
2228
2229     gi = CreateGadget(GDI_CUSTOM_ID, id,
2230                       GDI_CUSTOM_TYPE_ID, i,
2231                       GDI_INFO_TEXT, infotext,
2232                       GDI_X, SX + selectbox_info[i].x,
2233                       GDI_Y, SY + selectbox_info[i].y,
2234                       GDI_TYPE, GD_TYPE_SELECTBOX,
2235                       GDI_SELECTBOX_VALUES, selectbox_info[i].values,
2236                       GDI_SELECTBOX_INDEX, selectbox_info[i].index,
2237                       GDI_TEXT_SIZE, selectbox_info[i].size,
2238                       GDI_TEXT_FONT, FONT_INPUT,
2239                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2240                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2241                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
2242                       GDI_BORDER_SIZE_SELECTBUTTON, getFontHeight(FONT_INPUT),
2243                       GDI_TEXTINPUT_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2244                       GDI_EVENT_MASK, event_mask,
2245                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2246                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
2247                       GDI_END);
2248
2249     if (gi == NULL)
2250       Error(ERR_EXIT, "cannot create gadget");
2251
2252     level_editor_gadget[id] = gi;
2253   }
2254 }
2255
2256 static void CreateScrollbarGadgets()
2257 {
2258   int i;
2259
2260   for (i=0; i<ED_NUM_SCROLLBARS; i++)
2261   {
2262     int id = scrollbar_info[i].gadget_id;
2263     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2264     int gd_x1, gd_x2, gd_y1, gd_y2;
2265     struct GadgetInfo *gi;
2266     int items_max, items_visible, item_position;
2267     unsigned long event_mask;
2268
2269     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
2270     {
2271       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
2272       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
2273       item_position = 0;
2274     }
2275     else        /* drawing area scrollbars */
2276     {
2277       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
2278       {
2279         items_max = MAX(lev_fieldx + 2, ed_fieldx);
2280         items_visible = ed_fieldx;
2281         item_position = 0;
2282       }
2283       else
2284       {
2285         items_max = MAX(lev_fieldy + 2, ed_fieldy);
2286         items_visible = ed_fieldy;
2287         item_position = 0;
2288       }
2289     }
2290
2291     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2292
2293     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].xpos;
2294     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
2295                       scrollbar_info[i].height : scrollbar_info[i].width));
2296     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2297     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2298
2299     gi = CreateGadget(GDI_CUSTOM_ID, id,
2300                       GDI_CUSTOM_TYPE_ID, i,
2301                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2302                       GDI_X, scrollbar_info[i].x,
2303                       GDI_Y, scrollbar_info[i].y,
2304                       GDI_WIDTH, scrollbar_info[i].width,
2305                       GDI_HEIGHT, scrollbar_info[i].height,
2306                       GDI_TYPE, scrollbar_info[i].type,
2307                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2308                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2309                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2310                       GDI_STATE, GD_BUTTON_UNPRESSED,
2311                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2312                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2313                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
2314                       GDI_EVENT_MASK, event_mask,
2315                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2316                       GDI_CALLBACK_ACTION, HandleControlButtons,
2317                       GDI_END);
2318
2319     if (gi == NULL)
2320       Error(ERR_EXIT, "cannot create gadget");
2321
2322     level_editor_gadget[id] = gi;
2323   }
2324 }
2325
2326 static void CreateCheckbuttonGadgets()
2327 {
2328   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2329   struct GadgetInfo *gi;
2330   unsigned long event_mask;
2331   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
2332   boolean checked;
2333   int i;
2334
2335   event_mask = GD_EVENT_PRESSED;
2336
2337   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2338   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2339   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
2340   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
2341   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
2342
2343   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
2344   {
2345     int id = radiobutton_info[i].gadget_id;
2346
2347     checked =
2348       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2349
2350     gi = CreateGadget(GDI_CUSTOM_ID, id,
2351                       GDI_CUSTOM_TYPE_ID, i,
2352                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
2353                       GDI_X, SX + radiobutton_info[i].x,
2354                       GDI_Y, SY + radiobutton_info[i].y,
2355                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2356                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2357                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
2358                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
2359                       GDI_CHECKED, checked,
2360                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2361                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2362                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2363                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2364                       GDI_EVENT_MASK, event_mask,
2365                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2366                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
2367                       GDI_END);
2368
2369     if (gi == NULL)
2370       Error(ERR_EXIT, "cannot create gadget");
2371
2372     level_editor_gadget[id] = gi;
2373   }
2374
2375   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
2376   {
2377     int id = checkbutton_info[i].gadget_id;
2378
2379     if (id == GADGET_ID_STICK_ELEMENT)
2380       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
2381     else
2382       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
2383
2384     gi = CreateGadget(GDI_CUSTOM_ID, id,
2385                       GDI_CUSTOM_TYPE_ID, i,
2386                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
2387                       GDI_X, SX + checkbutton_info[i].x,
2388                       GDI_Y, SY + checkbutton_info[i].y,
2389                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2390                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2391                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
2392                       GDI_CHECKED, *checkbutton_info[i].value,
2393                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2394                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2395                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2396                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2397                       GDI_EVENT_MASK, event_mask,
2398                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2399                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
2400                       GDI_END);
2401
2402     if (gi == NULL)
2403       Error(ERR_EXIT, "cannot create gadget");
2404
2405     level_editor_gadget[id] = gi;
2406   }
2407 }
2408
2409 void CreateLevelEditorGadgets()
2410 {
2411   int old_game_status = game_status;
2412
2413   /* setting 'game_status' is needed to get the right fonts for the editor */
2414   game_status = LEVELED;
2415
2416   ReinitializeElementList();
2417
2418   CreateControlButtons();
2419   CreateCounterButtons();
2420   CreateDrawingAreas();
2421   CreateTextInputGadgets();
2422   CreateSelectboxGadgets();
2423   CreateScrollbarGadgets();
2424   CreateCheckbuttonGadgets();
2425
2426   game_status = old_game_status;
2427 }
2428
2429 void FreeLevelEditorGadgets()
2430 {
2431   int i;
2432
2433   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2434     FreeGadget(level_editor_gadget[i]);
2435 }
2436
2437 static void MapCounterButtons(int id)
2438 {
2439   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
2440   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
2441   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
2442 }
2443
2444 static void MapControlButtons()
2445 {
2446   int counter_id;
2447   int i;
2448
2449   /* map toolbox buttons */
2450   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2451     MapGadget(level_editor_gadget[i]);
2452
2453   /* map buttons to select elements */
2454   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2455     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
2456   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
2457   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
2458   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
2459
2460   /* map buttons to select level */
2461   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
2462   ModifyEditorCounterLimits(counter_id,
2463                             leveldir_current->first_level,
2464                             leveldir_current->last_level);
2465   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2466   MapCounterButtons(counter_id);
2467 }
2468
2469 static void MapDrawingArea(int id)
2470 {
2471   MapGadget(level_editor_gadget[id]);
2472 }
2473
2474 static void MapTextInputGadget(int id)
2475 {
2476   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
2477 }
2478
2479 static void MapSelectboxGadget(int id)
2480 {
2481   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
2482 }
2483
2484 static void MapRadiobuttonGadget(int id)
2485 {
2486   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
2487 }
2488
2489 static void MapCheckbuttonGadget(int id)
2490 {
2491   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
2492 }
2493
2494 static void MapMainDrawingArea()
2495 {
2496   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
2497   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
2498   int i;
2499
2500   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
2501   {
2502     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
2503           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
2504          no_horizontal_scrollbar) ||
2505         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
2506           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
2507          no_vertical_scrollbar))
2508       continue;
2509
2510     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
2511   }
2512
2513   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
2514   {
2515     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
2516         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
2517       continue;
2518
2519     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
2520   }
2521
2522   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
2523 }
2524
2525 static void UnmapDrawingArea(int id)
2526 {
2527   UnmapGadget(level_editor_gadget[id]);
2528 }
2529
2530 void UnmapLevelEditorWindowGadgets()
2531 {
2532   int i;
2533
2534   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2535     if (level_editor_gadget[i]->x < SX + SXSIZE)
2536       UnmapGadget(level_editor_gadget[i]);
2537 }
2538
2539 void UnmapLevelEditorGadgets()
2540 {
2541   int i;
2542
2543   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2544     UnmapGadget(level_editor_gadget[i]);
2545 }
2546
2547 static void ResetUndoBuffer()
2548 {
2549   undo_buffer_position = -1;
2550   undo_buffer_steps = -1;
2551   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
2552 }
2553
2554 static void DrawEditModeWindow()
2555 {
2556   if (edit_mode == ED_MODE_INFO)
2557     DrawLevelInfoWindow();
2558   else if (edit_mode == ED_MODE_PROPERTIES)
2559     DrawPropertiesWindow();
2560   else  /* edit_mode == ED_MODE_DRAWING */
2561     DrawDrawingWindow();
2562 }
2563
2564 static boolean LevelChanged()
2565 {
2566   boolean level_changed = FALSE;
2567   int x, y;
2568
2569   for(y=0; y<lev_fieldy; y++)
2570     for(x=0; x<lev_fieldx; x++)
2571       if (Feld[x][y] != Ur[x][y])
2572         level_changed = TRUE;
2573
2574   return level_changed;
2575 }
2576
2577 static boolean LevelContainsPlayer()
2578 {
2579   boolean player_found = FALSE;
2580   int x, y;
2581
2582   for(y=0; y<lev_fieldy; y++)
2583     for(x=0; x<lev_fieldx; x++)
2584       if (Feld[x][y] == EL_PLAYER_1 ||
2585           Feld[x][y] == EL_SP_MURPHY)
2586         player_found = TRUE;
2587
2588   return player_found;
2589 }
2590
2591 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
2592                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
2593 {
2594   int x, y;
2595
2596   for(x=0; x<lev_fieldx; x++)
2597     for(y=0; y<lev_fieldy; y++)
2598       dst[x][y] = src[x][y];
2599 }
2600
2601 static void CopyCustomElementPropertiesToEditor()
2602 {
2603   int i;
2604
2605   for (i=0; i < NUM_CUSTOM_ELEMENTS; i++)
2606   {
2607     int element = EL_CUSTOM_START + i;
2608     int properties = Properties1[element];
2609
2610     custom_element_properties[i].indestructible =
2611       ((properties & EP_BIT_INDESTRUCTIBLE) != 0 ? TRUE : FALSE);
2612
2613     custom_element_properties[i].can_fall =
2614       ((properties & EP_BIT_CAN_FALL) != 0 ? TRUE : FALSE);
2615
2616     custom_element_properties[i].can_smash =
2617       ((properties & EP_BIT_CAN_SMASH) != 0 ? TRUE : FALSE);
2618
2619     custom_element_properties[i].pushable =
2620       ((properties & EP_BIT_PUSHABLE) != 0 ? TRUE : FALSE);
2621
2622     custom_element_properties[i].slippery =
2623       ((properties & EP_BIT_SLIPPERY) != 0 ? TRUE : FALSE);
2624   }
2625 }
2626
2627 static void CopyCustomElementPropertiesToGame()
2628 {
2629   int i;
2630
2631   for (i=0; i < NUM_CUSTOM_ELEMENTS; i++)
2632   {
2633     int element = EL_CUSTOM_START + i;
2634
2635     Properties1[element] = EP_BITMASK_DEFAULT;
2636
2637     if (custom_element_properties[i].indestructible)
2638       Properties1[element] |= EP_BIT_INDESTRUCTIBLE;
2639     else
2640       Properties1[element] &= ~EP_BIT_INDESTRUCTIBLE;
2641
2642     if (custom_element_properties[i].can_fall)
2643       Properties1[element] |= EP_BIT_CAN_FALL;
2644     else
2645       Properties1[element] &= ~EP_BIT_CAN_FALL;
2646
2647     if (custom_element_properties[i].can_smash)
2648       Properties1[element] |= EP_BIT_CAN_SMASH;
2649     else
2650       Properties1[element] &= ~EP_BIT_CAN_SMASH;
2651
2652     if (custom_element_properties[i].pushable)
2653       Properties1[element] |= EP_BIT_PUSHABLE;
2654     else
2655       Properties1[element] &= ~EP_BIT_PUSHABLE;
2656
2657     if (custom_element_properties[i].slippery)
2658       Properties1[element] |= EP_BIT_SLIPPERY;
2659     else
2660       Properties1[element] &= ~EP_BIT_SLIPPERY;
2661   }
2662 }
2663
2664 void DrawLevelEd()
2665 {
2666   CloseDoor(DOOR_CLOSE_ALL);
2667   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
2668
2669   if (level_editor_test_game)
2670   {
2671     CopyPlayfield(Ur, Feld);
2672     CopyPlayfield(FieldBackup, Ur);
2673
2674     level_editor_test_game = FALSE;
2675   }
2676   else
2677   {
2678     edit_mode = ED_MODE_DRAWING;
2679
2680     ResetUndoBuffer();
2681     level_xpos = -1;
2682     level_ypos = -1;
2683   }
2684
2685   /* copy default editor door content to main double buffer */
2686   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
2687              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
2688
2689   /* draw mouse button brush elements */
2690   DrawMiniGraphicExt(drawto,
2691                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
2692                      el2edimg(new_element1));
2693   DrawMiniGraphicExt(drawto,
2694                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
2695                      el2edimg(new_element2));
2696   DrawMiniGraphicExt(drawto,
2697                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
2698                      el2edimg(new_element3));
2699
2700   /* draw bigger door */
2701   DrawSpecialEditorDoor();
2702
2703   /* draw new control window */
2704   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
2705              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
2706
2707   redraw_mask |= REDRAW_ALL;
2708
2709   ReinitializeElementListButtons();     /* only needed after setup changes */
2710
2711   UnmapTapeButtons();
2712   MapControlButtons();
2713
2714   /* copy actual editor door content to door double buffer for OpenDoor() */
2715   BlitBitmap(drawto, bitmap_db_door,
2716              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
2717
2718   DrawEditModeWindow();
2719
2720   OpenDoor(DOOR_OPEN_1);
2721 }
2722
2723 static void AdjustDrawingAreaGadgets()
2724 {
2725   int ed_xsize = lev_fieldx + 2;
2726   int ed_ysize = lev_fieldy + 2;
2727   int max_ed_fieldx = MAX_ED_FIELDX;
2728   int max_ed_fieldy = MAX_ED_FIELDY;
2729   boolean horizontal_scrollbar_needed;
2730   boolean vertical_scrollbar_needed;
2731   int x, y, width, height;
2732   int xoffset, yoffset;
2733
2734   /* check if we need any scrollbars */
2735   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
2736   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
2737
2738   /* check if we have a smaller editor field because of scrollbars */
2739   if (horizontal_scrollbar_needed)
2740     max_ed_fieldy = MAX_ED_FIELDY - 1;
2741   if (vertical_scrollbar_needed)
2742     max_ed_fieldx = MAX_ED_FIELDX - 1;
2743
2744   /* check again if we now need more scrollbars because of less space */
2745   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
2746   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
2747
2748   /* check if editor field gets even smaller after adding new scrollbars */
2749   if (horizontal_scrollbar_needed)
2750     max_ed_fieldy = MAX_ED_FIELDY - 1;
2751   if (vertical_scrollbar_needed)
2752     max_ed_fieldx = MAX_ED_FIELDX - 1;
2753
2754   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
2755   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
2756
2757   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
2758                GDI_WIDTH, ed_fieldx * MINI_TILEX,
2759                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
2760                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2761                GDI_END);
2762
2763   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
2764   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
2765
2766   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
2767   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
2768
2769   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
2770   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
2771
2772   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
2773   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
2774
2775   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
2776                GDI_WIDTH, width,
2777                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
2778                GDI_END);
2779   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
2780                GDI_HEIGHT, height,
2781                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
2782                GDI_END);
2783 }
2784
2785 static void AdjustLevelScrollPosition()
2786 {
2787   if (level_xpos < -1)
2788     level_xpos = -1;
2789   if (level_xpos > lev_fieldx - ed_fieldx + 1)
2790     level_xpos = lev_fieldx - ed_fieldx + 1;
2791   if (lev_fieldx < ed_fieldx - 2)
2792     level_xpos = -1;
2793
2794   if (level_ypos < -1)
2795     level_ypos = -1;
2796   if (level_ypos > lev_fieldy - ed_fieldy + 1)
2797     level_ypos = lev_fieldy - ed_fieldy + 1;
2798   if (lev_fieldy < ed_fieldy - 2)
2799     level_ypos = -1;
2800 }
2801
2802 static void AdjustEditorScrollbar(int id)
2803 {
2804   struct GadgetInfo *gi = level_editor_gadget[id];
2805   int items_max, items_visible, item_position;
2806
2807   if (id == GADGET_ID_SCROLL_HORIZONTAL)
2808   {
2809     items_max = MAX(lev_fieldx + 2, ed_fieldx);
2810     items_visible = ed_fieldx;
2811     item_position = level_xpos + 1;
2812   }
2813   else
2814   {
2815     items_max = MAX(lev_fieldy + 2, ed_fieldy);
2816     items_visible = ed_fieldy;
2817     item_position = level_ypos + 1;
2818   }
2819
2820   if (item_position > items_max - items_visible)
2821     item_position = items_max - items_visible;
2822
2823   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
2824                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
2825 }
2826
2827 static void ModifyEditorTextInput(int textinput_id, char *new_text)
2828 {
2829   int gadget_id = textinput_info[textinput_id].gadget_id;
2830   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2831
2832   ModifyGadget(gi, GDI_TEXT_VALUE, new_text, GDI_END);
2833 }
2834
2835 static void ModifyEditorCounter(int counter_id, int new_value)
2836 {
2837   int *counter_value = counterbutton_info[counter_id].value;
2838   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
2839   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2840
2841   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
2842
2843   if (counter_value != NULL)
2844     *counter_value = gi->text.number_value;
2845 }
2846
2847 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
2848 {
2849   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
2850   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2851
2852   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
2853 }
2854
2855 static void PickDrawingElement(int button, int element)
2856 {
2857   if (button < 1 || button > 3)
2858     return;
2859
2860   if (button == 1)
2861   {
2862     new_element1 = element;
2863     DrawMiniGraphicExt(drawto,
2864                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
2865                        el2edimg(new_element1));
2866   }
2867   else if (button == 2)
2868   {
2869     new_element2 = element;
2870     DrawMiniGraphicExt(drawto,
2871                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
2872                        el2edimg(new_element2));
2873   }
2874   else
2875   {
2876     new_element3 = element;
2877     DrawMiniGraphicExt(drawto,
2878                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
2879                        el2edimg(new_element3));
2880   }
2881
2882   redraw_mask |= REDRAW_DOOR_1;
2883 }
2884
2885 static void DrawDrawingWindow()
2886 {
2887   SetMainBackgroundImage(IMG_UNDEFINED);
2888   ClearWindow();
2889   UnmapLevelEditorWindowGadgets();
2890
2891   AdjustDrawingAreaGadgets();
2892   AdjustLevelScrollPosition();
2893   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
2894   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
2895
2896   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
2897   MapMainDrawingArea();
2898 }
2899
2900 static void DrawElementBorder(int dest_x, int dest_y, int width, int height)
2901 {
2902   int border_graphic = IMG_EDITOR_ELEMENT_BORDER;
2903   Bitmap *src_bitmap;
2904   int src_x, src_y;
2905   int num_mini_tilex = width / MINI_TILEX + 1;
2906   int num_mini_tiley = width / MINI_TILEY + 1;
2907   int x, y;
2908
2909   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
2910
2911   for (y=0; y < num_mini_tiley; y++)
2912     for (x=0; x < num_mini_tilex; x++)
2913       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
2914                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
2915                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
2916
2917   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
2918 }
2919
2920 static void DrawRandomPlacementBackgroundArea()
2921 {
2922   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
2923   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
2924   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
2925   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
2926
2927   ElementContent[0][0][0] = random_placement_background_element;
2928
2929   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
2930   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
2931
2932   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
2933 }
2934
2935 static void DrawLevelInfoWindow()
2936 {
2937   char infotext[MAX_OUTPUT_LINESIZE + 1];
2938   int max_infotext_len = getMaxInfoTextLength();
2939   int xoffset_above = 0;
2940   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
2941   int xoffset_right = getCounterGadgetWidth();
2942   int yoffset_right = ED_BORDER_SIZE;
2943   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
2944   int yoffset_right2 = ED_BORDER_SIZE;
2945   int i, x, y;
2946
2947   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
2948   ClearWindow();
2949   UnmapLevelEditorWindowGadgets();
2950
2951   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
2952            "Level Settings", FONT_TITLE_1);
2953   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
2954            "Editor Settings", FONT_TITLE_1);
2955
2956   /* draw counter gadgets */
2957   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
2958   {
2959     if (counterbutton_info[i].infotext_above)
2960     {
2961       x = counterbutton_info[i].x + xoffset_above;
2962       y = counterbutton_info[i].y + yoffset_above;
2963
2964       sprintf(infotext, "%s:", counterbutton_info[i].infotext_above);
2965       infotext[max_infotext_len] = '\0';
2966       DrawTextF(x, y, FONT_TEXT_1, infotext);
2967     }
2968
2969     if (counterbutton_info[i].infotext_right)
2970     {
2971       x = counterbutton_info[i].x + xoffset_right;
2972       y = counterbutton_info[i].y + yoffset_right;
2973
2974       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
2975       infotext[max_infotext_len] = '\0';
2976       DrawTextF(x, y, FONT_TEXT_1, infotext);
2977     }
2978
2979     ModifyEditorCounter(i, *counterbutton_info[i].value);
2980     MapCounterButtons(i);
2981   }
2982
2983   /* draw text input gadgets */
2984   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
2985   {
2986     x = textinput_info[i].x + xoffset_above;
2987     y = textinput_info[i].y + yoffset_above;
2988
2989     sprintf(infotext, "%s:", textinput_info[i].infotext);
2990     infotext[max_infotext_len] = '\0';
2991
2992     DrawTextF(x, y, FONT_TEXT_1, infotext);
2993     ModifyEditorTextInput(i, textinput_info[i].value);
2994     MapTextInputGadget(i);
2995   }
2996
2997   /* draw radiobutton gadgets */
2998   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
2999   {
3000     boolean checked =
3001       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3002
3003     x = radiobutton_info[i].x + xoffset_right2;
3004     y = radiobutton_info[i].y + yoffset_right2;
3005
3006     DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[i].text);
3007     ModifyGadget(level_editor_gadget[radiobutton_info[i].gadget_id],
3008                  GDI_CHECKED, checked, GDI_END);
3009     MapRadiobuttonGadget(i);
3010   }
3011
3012   /* draw checkbutton gadgets */
3013   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
3014   {
3015     x = checkbutton_info[i].x + xoffset_right2;
3016     y = checkbutton_info[i].y + yoffset_right2;
3017
3018     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3019     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3020                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3021     MapCheckbuttonGadget(i);
3022   }
3023
3024   /* draw drawing area */
3025   DrawRandomPlacementBackgroundArea();
3026 }
3027
3028 static void DrawAmoebaContentArea()
3029 {
3030   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3031   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3032   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3033   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3034
3035   ElementContent[0][0][0] = level.amoeba_content;
3036
3037   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
3038   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
3039
3040   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
3041
3042   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
3043 }
3044
3045 static void DrawElementContentAreas()
3046 {
3047   int counter_id = ED_COUNTER_ID_ELEM_CONTENT;
3048   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3049   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3050   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3051   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3052   int xoffset_right = getCounterGadgetWidth();
3053   int yoffset_right = ED_BORDER_SIZE;
3054   int i, x, y;
3055
3056   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
3057     for (y=0; y<3; y++)
3058       for (x=0; x<3; x++)
3059         ElementContent[i][x][y] = level.yam_content[i][x][y];
3060
3061   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
3062     UnmapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
3063
3064   /* display counter to choose number of element content areas */
3065   x = counterbutton_info[counter_id].x + xoffset_right;
3066   y = counterbutton_info[counter_id].y + yoffset_right;
3067   DrawTextF(x, y, FONT_TEXT_1, "number of content areas");
3068
3069   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
3070   MapCounterButtons(counter_id);
3071
3072   /* delete content areas in case of reducing number of them */
3073   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
3074
3075   for (i=0; i<level.num_yam_contents; i++)
3076     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
3077                       area_sy + 6 * (i / 4) * MINI_TILEY,
3078                       3 * MINI_TILEX, 3 * MINI_TILEY);
3079
3080   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
3081            "Content", FONT_TEXT_1);
3082   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
3083            "when",    FONT_TEXT_1);
3084   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
3085            "smashed", FONT_TEXT_1);
3086
3087   for (i=0; i<level.num_yam_contents; i++)
3088   {
3089     for (y=0; y<3; y++)
3090       for (x=0; x<3; x++)
3091         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
3092                         ElementContent[i][x][y]);
3093
3094     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
3095               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
3096               FONT_TEXT_1, "%d", i + 1);
3097   }
3098
3099   for (i=0; i<level.num_yam_contents; i++)
3100     MapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
3101 }
3102
3103 #define TEXT_COLLECTING         "Score for collecting"
3104 #define TEXT_SMASHING           "Score for smashing"
3105 #define TEXT_CRACKING           "Score for cracking"
3106 #define TEXT_SPEED              "Speed of amoeba growth"
3107 #define TEXT_DURATION           "Duration when activated"
3108
3109 static void DrawPropertiesWindow()
3110 {
3111   int counter_id = ED_COUNTER_ID_ELEM_SCORE;
3112   int num_elements_in_level;
3113   float percentage;
3114   int xoffset_right = getCounterGadgetWidth();
3115   int yoffset_right = ED_BORDER_SIZE;
3116   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
3117   int yoffset_right2 = ED_BORDER_SIZE;
3118   int xstart = 2;
3119   int ystart = 4;
3120   int i, x, y;
3121   static struct
3122   {
3123     int element;
3124     int *value;
3125     char *text;
3126   } elements_with_counter[] =
3127   {
3128     { EL_EMERALD,       &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
3129     { EL_BD_DIAMOND,    &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
3130     { EL_EMERALD_YELLOW,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
3131     { EL_EMERALD_RED,   &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
3132     { EL_EMERALD_PURPLE,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
3133     { EL_DIAMOND,       &level.score[SC_DIAMANT],       TEXT_COLLECTING },
3134     { EL_BUG_RIGHT,     &level.score[SC_KAEFER],        TEXT_SMASHING },
3135     { EL_BUG_UP,        &level.score[SC_KAEFER],        TEXT_SMASHING },
3136     { EL_BUG_LEFT,      &level.score[SC_KAEFER],        TEXT_SMASHING },
3137     { EL_BUG_DOWN,      &level.score[SC_KAEFER],        TEXT_SMASHING },
3138     { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_KAEFER],    TEXT_SMASHING },
3139     { EL_BD_BUTTERFLY_UP,   &level.score[SC_KAEFER],    TEXT_SMASHING },
3140     { EL_BD_BUTTERFLY_LEFT, &level.score[SC_KAEFER],    TEXT_SMASHING },
3141     { EL_BD_BUTTERFLY_DOWN, &level.score[SC_KAEFER],    TEXT_SMASHING },
3142     { EL_SPACESHIP_RIGHT,&level.score[SC_FLIEGER],      TEXT_SMASHING },
3143     { EL_SPACESHIP_UP,   &level.score[SC_FLIEGER],      TEXT_SMASHING },
3144     { EL_SPACESHIP_LEFT, &level.score[SC_FLIEGER],      TEXT_SMASHING },
3145     { EL_SPACESHIP_DOWN, &level.score[SC_FLIEGER],      TEXT_SMASHING },
3146     { EL_BD_FIREFLY_RIGHT,&level.score[SC_FLIEGER],     TEXT_SMASHING },
3147     { EL_BD_FIREFLY_UP,   &level.score[SC_FLIEGER],     TEXT_SMASHING },
3148     { EL_BD_FIREFLY_LEFT, &level.score[SC_FLIEGER],     TEXT_SMASHING },
3149     { EL_BD_FIREFLY_DOWN, &level.score[SC_FLIEGER],     TEXT_SMASHING },
3150     { EL_YAMYAM,        &level.score[SC_MAMPFER],       TEXT_SMASHING },
3151     { EL_DARK_YAMYAM,   &level.score[SC_MAMPFER],       TEXT_SMASHING },
3152     { EL_ROBOT,         &level.score[SC_ROBOT],         TEXT_SMASHING },
3153     { EL_PACMAN_RIGHT,  &level.score[SC_PACMAN],        TEXT_SMASHING },
3154     { EL_PACMAN_UP,     &level.score[SC_PACMAN],        TEXT_SMASHING },
3155     { EL_PACMAN_LEFT,   &level.score[SC_PACMAN],        TEXT_SMASHING },
3156     { EL_PACMAN_DOWN,   &level.score[SC_PACMAN],        TEXT_SMASHING },
3157     { EL_NUT,           &level.score[SC_KOKOSNUSS],     TEXT_CRACKING },
3158     { EL_DYNAMITE,      &level.score[SC_DYNAMIT],       TEXT_COLLECTING },
3159     { EL_KEY_1,         &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3160     { EL_KEY_2,         &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3161     { EL_KEY_3,         &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3162     { EL_KEY_4,         &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3163     { EL_EM_KEY_1_FILE, &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3164     { EL_EM_KEY_2_FILE, &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3165     { EL_EM_KEY_3_FILE, &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3166     { EL_EM_KEY_4_FILE, &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3167     { EL_AMOEBA_WET,    &level.amoeba_speed,            TEXT_SPEED },
3168     { EL_AMOEBA_DRY,    &level.amoeba_speed,            TEXT_SPEED },
3169     { EL_AMOEBA_FULL,   &level.amoeba_speed,            TEXT_SPEED },
3170     { EL_BD_AMOEBA,     &level.amoeba_speed,            TEXT_SPEED },
3171     { EL_MAGIC_WALL,    &level.time_magic_wall,         TEXT_DURATION },
3172     { EL_ROBOT_WHEEL,   &level.time_wheel,              TEXT_DURATION },
3173     { -1, NULL, NULL }
3174   };
3175
3176   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
3177   ClearWindow();
3178   UnmapLevelEditorWindowGadgets();
3179
3180   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
3181            "Element Settings", FONT_TITLE_1);
3182
3183   DrawElementBorder(SX + xstart * MINI_TILEX,
3184                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
3185                     TILEX, TILEY);
3186   DrawGraphicAnimationExt(drawto,
3187                           SX + xstart * MINI_TILEX,
3188                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
3189                           el2edimg(properties_element), -1, NO_MASKING);
3190
3191   FrameCounter = 0;     /* restart animation frame counter */
3192
3193   DrawTextF((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
3194             FONT_TEXT_1, getElementInfoText(properties_element));
3195
3196   num_elements_in_level = 0;
3197   for (y=0; y<lev_fieldy; y++)
3198     for (x=0; x<lev_fieldx; x++)
3199       if (Feld[x][y] == properties_element)
3200         num_elements_in_level++;
3201   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
3202
3203   DrawTextF(ED_SETTINGS_XPOS, 5 * TILEY, FONT_TEXT_1, "In this level:");
3204   DrawTextF(ED_SETTINGS_XPOS + 15 * getFontWidth(FONT_TEXT_1), 5 * TILEY,
3205             FONT_TEXT_2, "%d (%.2f%%)", num_elements_in_level,
3206             percentage);
3207
3208   /* check if there are elements where a score can be chosen for */
3209   for (i=0; elements_with_counter[i].element != -1; i++)
3210   {
3211     if (elements_with_counter[i].element == properties_element)
3212     {
3213       int x = counterbutton_info[counter_id].x + xoffset_right;
3214       int y = counterbutton_info[counter_id].y + yoffset_right;
3215
3216       counterbutton_info[counter_id].value = elements_with_counter[i].value;
3217       DrawTextF(x, y, FONT_TEXT_1, elements_with_counter[i].text);
3218
3219       ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
3220       MapCounterButtons(counter_id);
3221       break;
3222     }
3223   }
3224
3225   if (HAS_CONTENT(properties_element))
3226   {
3227     /* draw stickybutton gadget */
3228     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
3229     x = checkbutton_info[i].x + xoffset_right2;
3230     y = checkbutton_info[i].y + yoffset_right2;
3231
3232     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3233     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3234                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3235     MapCheckbuttonGadget(i);
3236
3237     if (IS_AMOEBOID(properties_element))
3238       DrawAmoebaContentArea();
3239     else
3240       DrawElementContentAreas();
3241   }
3242
3243   if (IS_GEM(properties_element))
3244   {
3245     /* draw checkbutton gadget */
3246     i = ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS;
3247     x = checkbutton_info[i].x + xoffset_right2;
3248     y = checkbutton_info[i].y + yoffset_right2;
3249
3250     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3251     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3252                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3253     MapCheckbuttonGadget(i);
3254   }
3255
3256   if (IS_CUSTOM_ELEMENT(properties_element))
3257   {
3258     int nr = properties_element - EL_CUSTOM_START;
3259
3260     CopyCustomElementPropertiesToEditor();
3261
3262     /* draw checkbutton gadget */
3263     i = ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE;
3264     x = checkbutton_info[i].x + xoffset_right2;
3265     y = checkbutton_info[i].y + yoffset_right2;
3266
3267     checkbutton_info[i].value = &custom_element_properties[nr].indestructible;
3268
3269     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3270     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3271                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3272     MapCheckbuttonGadget(i);
3273
3274     /* draw checkbutton gadget */
3275     i = ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL;
3276     x = checkbutton_info[i].x + xoffset_right2;
3277     y = checkbutton_info[i].y + yoffset_right2;
3278
3279     checkbutton_info[i].value = &custom_element_properties[nr].can_fall;
3280
3281     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3282     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3283                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3284     MapCheckbuttonGadget(i);
3285
3286     /* draw checkbutton gadget */
3287     i = ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH;
3288     x = checkbutton_info[i].x + xoffset_right2;
3289     y = checkbutton_info[i].y + yoffset_right2;
3290
3291     checkbutton_info[i].value = &custom_element_properties[nr].can_smash;
3292
3293     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3294     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3295                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3296     MapCheckbuttonGadget(i);
3297
3298     /* draw checkbutton gadget */
3299     i = ED_CHECKBUTTON_ID_CUSTOM_PUSHABLE;
3300     x = checkbutton_info[i].x + xoffset_right2;
3301     y = checkbutton_info[i].y + yoffset_right2;
3302
3303     checkbutton_info[i].value = &custom_element_properties[nr].pushable;
3304
3305     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3306     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3307                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3308     MapCheckbuttonGadget(i);
3309
3310     /* draw checkbutton gadget */
3311     i = ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY;
3312     x = checkbutton_info[i].x + xoffset_right2;
3313     y = checkbutton_info[i].y + yoffset_right2;
3314
3315     checkbutton_info[i].value = &custom_element_properties[nr].slippery;
3316
3317     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3318     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3319                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3320     MapCheckbuttonGadget(i);
3321
3322     /* draw selectbox gadget */
3323     i = ED_SELECTBOX_ID_TEST;
3324     x = selectbox_info[i].x + xoffset_right2;
3325     y = selectbox_info[i].y + yoffset_right2;
3326
3327     selectbox_info[i].index = &test_index;
3328
3329     DrawTextF(x, y, FONT_TEXT_1, selectbox_info[i].text);
3330     ModifyGadget(level_editor_gadget[selectbox_info[i].gadget_id],
3331                  GDI_SELECTBOX_INDEX, *selectbox_info[i].index, GDI_END);
3332     MapSelectboxGadget(i);
3333   }
3334 }
3335
3336 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
3337 {
3338   int lx = sx + level_xpos;
3339   int ly = sy + level_ypos;
3340
3341   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
3342
3343   if (change_level)
3344     Feld[lx][ly] = element;
3345 }
3346
3347 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
3348                      int element, boolean change_level)
3349 {
3350   if (from_y == to_y)                   /* horizontal line */
3351   {
3352     int x;
3353     int y = from_y;
3354
3355     if (from_x > to_x)
3356       swap_numbers(&from_x, &to_x);
3357
3358     for (x=from_x; x<=to_x; x++)
3359       DrawLineElement(x, y, element, change_level);
3360   }
3361   else if (from_x == to_x)              /* vertical line */
3362   {
3363     int x = from_x;
3364     int y;
3365
3366     if (from_y > to_y)
3367       swap_numbers(&from_y, &to_y);
3368
3369     for (y=from_y; y<=to_y; y++)
3370       DrawLineElement(x, y, element, change_level);
3371   }
3372   else                                  /* diagonal line */
3373   {
3374     int len_x = ABS(to_x - from_x);
3375     int len_y = ABS(to_y - from_y);
3376     int x, y;
3377
3378     if (len_y < len_x)                  /* a < 1 */
3379     {
3380       float a = (float)len_y / (float)len_x;
3381
3382       if (from_x > to_x)
3383         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3384
3385       for (x=0; x<=len_x; x++)
3386       {
3387         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
3388         DrawLineElement(from_x + x, from_y + y, element, change_level);
3389       }
3390     }
3391     else                                /* a >= 1 */
3392     {
3393       float a = (float)len_x / (float)len_y;
3394
3395       if (from_y > to_y)
3396         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3397
3398       for (y=0; y<=len_y; y++)
3399       {
3400         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
3401         DrawLineElement(from_x + x, from_y + y, element, change_level);
3402       }
3403     }
3404   }
3405 }
3406
3407 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
3408                     int element, boolean change_level)
3409 {
3410   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
3411   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
3412   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
3413   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
3414 }
3415
3416 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
3417                           int element, boolean change_level)
3418 {
3419   int y;
3420
3421   if (from_y > to_y)
3422     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3423
3424   for (y=from_y; y<=to_y; y++)
3425     DrawLine(from_x, y, to_x, y, element, change_level);
3426 }
3427
3428 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
3429                        int element, boolean change_level)
3430 {
3431   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
3432   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
3433   int len_x = ABS(to_x - from_x);
3434   int len_y = ABS(to_y - from_y);
3435   int radius, x, y;
3436
3437   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
3438
3439   /* not optimal (some points get drawn twice) but simple,
3440      and fast enough for the few points we are drawing */
3441
3442   for (x=0; x<=radius; x++)
3443   {
3444     int sx, sy, lx, ly;
3445
3446     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
3447
3448     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
3449     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
3450     lx = sx + level_xpos;
3451     ly = sy + level_ypos;
3452
3453     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3454       DrawLineElement(sx, sy, element, change_level);
3455   }
3456
3457   for (y=0; y<=radius; y++)
3458   {
3459     int sx, sy, lx, ly;
3460
3461     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
3462
3463     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
3464     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
3465     lx = sx + level_xpos;
3466     ly = sy + level_ypos;
3467
3468     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3469       DrawLineElement(sx, sy, element, change_level);
3470   }
3471 }
3472
3473 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
3474                     int element, boolean change_level)
3475 {
3476   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
3477   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
3478
3479   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
3480 }
3481
3482 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
3483 #if DRAW_CIRCLES_BUTTON_AVAILABLE
3484 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
3485                        int element, boolean change_level)
3486 {
3487   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
3488   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
3489   int mirror_to_x2 = from_x - (to_x2 - from_x);
3490   int mirror_to_y2 = from_y - (to_y2 - from_y);
3491
3492   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
3493   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
3494   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
3495   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
3496 }
3497 #endif
3498
3499 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
3500 {
3501   int from_sx, from_sy;
3502   int to_sx, to_sy;
3503
3504   if (from_x > to_x)
3505     swap_numbers(&from_x, &to_x);
3506
3507   if (from_y > to_y)
3508     swap_numbers(&from_y, &to_y);
3509
3510   from_sx = SX + from_x * MINI_TILEX;
3511   from_sy = SY + from_y * MINI_TILEY;
3512   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
3513   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
3514
3515   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
3516   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
3517   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
3518   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
3519
3520   if (from_x == to_x && from_y == to_y)
3521     MarkTileDirty(from_x/2, from_y/2);
3522   else
3523     redraw_mask |= REDRAW_FIELD;
3524 }
3525
3526 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
3527                        int element, boolean change_level)
3528 {
3529   if (element == -1 || change_level)
3530     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
3531   else
3532     DrawAreaBorder(from_x, from_y, to_x, to_y);
3533 }
3534
3535 /* values for CopyBrushExt() */
3536 #define CB_AREA_TO_BRUSH        0
3537 #define CB_BRUSH_TO_CURSOR      1
3538 #define CB_BRUSH_TO_LEVEL       2
3539 #define CB_DELETE_OLD_CURSOR    3
3540
3541 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
3542                          int button, int mode)
3543 {
3544   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
3545   static int brush_width, brush_height;
3546   static int last_cursor_x = -1, last_cursor_y = -1;
3547   static boolean delete_old_brush;
3548   int new_element = BUTTON_ELEMENT(button);
3549   int x, y;
3550
3551   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
3552     return;
3553
3554   if (mode == CB_AREA_TO_BRUSH)
3555   {
3556     int from_lx, from_ly;
3557
3558     if (from_x > to_x)
3559       swap_numbers(&from_x, &to_x);
3560
3561     if (from_y > to_y)
3562       swap_numbers(&from_y, &to_y);
3563
3564     brush_width = to_x - from_x + 1;
3565     brush_height = to_y - from_y + 1;
3566
3567     from_lx = from_x + level_xpos;
3568     from_ly = from_y + level_ypos;
3569
3570     for (y=0; y<brush_height; y++)
3571     {
3572       for (x=0; x<brush_width; x++)
3573       {
3574         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
3575
3576         if (button != 1)
3577           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
3578       }
3579     }
3580
3581     if (button != 1)
3582       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3583
3584     delete_old_brush = FALSE;
3585   }
3586   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
3587            mode == CB_BRUSH_TO_LEVEL)
3588   {
3589     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
3590     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
3591     int cursor_from_x = cursor_x - brush_width / 2;
3592     int cursor_from_y = cursor_y - brush_height / 2;
3593     int border_from_x = cursor_x, border_from_y = cursor_y;
3594     int border_to_x = cursor_x, border_to_y = cursor_y;
3595
3596     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
3597       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3598
3599     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
3600         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
3601     {
3602       delete_old_brush = FALSE;
3603       return;
3604     }
3605
3606     for (y=0; y<brush_height; y++)
3607     {
3608       for (x=0; x<brush_width; x++)
3609       {
3610         int sx = cursor_from_x + x;
3611         int sy = cursor_from_y + y;
3612         int lx = sx + level_xpos;
3613         int ly = sy + level_ypos;
3614         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
3615         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
3616                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
3617                        brush_buffer[x][y] : new_element);
3618
3619         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3620         {
3621           if (sx < border_from_x)
3622             border_from_x = sx;
3623           else if (sx > border_to_x)
3624             border_to_x = sx;
3625           if (sy < border_from_y)
3626             border_from_y = sy;
3627           else if (sy > border_to_y)
3628             border_to_y = sy;
3629
3630           DrawLineElement(sx, sy, element, change_level);
3631         }
3632       }
3633     }
3634
3635     if (mode != CB_DELETE_OLD_CURSOR)
3636       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
3637
3638     last_cursor_x = cursor_x;
3639     last_cursor_y = cursor_y;
3640     delete_old_brush = TRUE;
3641   }
3642 }
3643
3644 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
3645                             int button)
3646 {
3647   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
3648 }
3649
3650 static void CopyBrushToLevel(int x, int y, int button)
3651 {
3652   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
3653 }
3654
3655 static void CopyBrushToCursor(int x, int y)
3656 {
3657   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
3658 }
3659
3660 static void DeleteBrushFromCursor()
3661 {
3662   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3663 }
3664
3665 static void FloodFill(int from_x, int from_y, int fill_element)
3666 {
3667   int i,x,y;
3668   int old_element;
3669   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
3670   static int safety = 0;
3671
3672   /* check if starting field still has the desired content */
3673   if (Feld[from_x][from_y] == fill_element)
3674     return;
3675
3676   safety++;
3677
3678   if (safety > lev_fieldx*lev_fieldy)
3679     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
3680
3681   old_element = Feld[from_x][from_y];
3682   Feld[from_x][from_y] = fill_element;
3683
3684   for(i=0;i<4;i++)
3685   {
3686     x = from_x + check[i][0];
3687     y = from_y + check[i][1];
3688
3689     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
3690       FloodFill(x, y, fill_element);
3691   }
3692
3693   safety--;
3694 }
3695
3696 /* values for DrawLevelText() modes */
3697 #define TEXT_INIT               0
3698 #define TEXT_SETCURSOR          1
3699 #define TEXT_WRITECHAR          2
3700 #define TEXT_BACKSPACE          3
3701 #define TEXT_NEWLINE            4
3702 #define TEXT_END                5
3703 #define TEXT_QUERY_TYPING       6
3704
3705 static int DrawLevelText(int sx, int sy, char letter, int mode)
3706 {
3707   static short delete_buffer[MAX_LEV_FIELDX];
3708   static int start_sx, start_sy;
3709   static int last_sx, last_sy;
3710   static boolean typing = FALSE;
3711   int letter_element = EL_CHAR_ASCII0 + letter;
3712   int lx = 0, ly = 0;
3713
3714   /* map lower case letters to upper case and convert special characters */
3715   if (letter >= 'a' && letter <= 'z')
3716     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
3717   else if (letter == 'ä' || letter == 'Ä')
3718     letter_element = EL_CHAR_AE;
3719   else if (letter == 'ö' || letter == 'Ö')
3720     letter_element = EL_CHAR_OE;
3721   else if (letter == 'ü' || letter == 'Ü')
3722     letter_element = EL_CHAR_UE;
3723   else if (letter == '^')
3724     letter_element = EL_CHAR_COPYRIGHT;
3725   else
3726     letter_element = EL_CHAR_ASCII0 + letter;
3727
3728   if (mode != TEXT_INIT)
3729   {
3730     if (!typing)
3731       return FALSE;
3732
3733     if (mode != TEXT_SETCURSOR)
3734     {
3735       sx = last_sx;
3736       sy = last_sy;
3737     }
3738
3739     lx = last_sx + level_xpos;
3740     ly = last_sy + level_ypos;
3741   }
3742
3743   switch (mode)
3744   {
3745     case TEXT_INIT:
3746       if (typing)
3747         DrawLevelText(0, 0, 0, TEXT_END);
3748
3749       typing = TRUE;
3750       start_sx = last_sx = sx;
3751       start_sy = last_sy = sy;
3752       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
3753       break;
3754
3755     case TEXT_SETCURSOR:
3756       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
3757       DrawAreaBorder(sx, sy, sx, sy);
3758       last_sx = sx;
3759       last_sy = sy;
3760       break;
3761
3762     case TEXT_WRITECHAR:
3763       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
3764       {
3765         delete_buffer[sx - start_sx] = Feld[lx][ly];
3766         Feld[lx][ly] = letter_element;
3767
3768         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
3769           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
3770         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
3771           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3772         else
3773           DrawLevelText(0, 0, 0, TEXT_END);
3774       }
3775       break;
3776
3777     case TEXT_BACKSPACE:
3778       if (sx > start_sx)
3779       {
3780         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
3781         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
3782         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
3783       }
3784       break;
3785
3786     case TEXT_NEWLINE:
3787       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
3788         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3789       else
3790         DrawLevelText(0, 0, 0, TEXT_END);
3791       break;
3792
3793     case TEXT_END:
3794       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3795       DrawMiniElement(sx, sy, Feld[lx][ly]);
3796       typing = FALSE;
3797       break;
3798
3799     case TEXT_QUERY_TYPING:
3800       break;
3801
3802     default:
3803       break;
3804   }
3805
3806   return typing;
3807 }
3808
3809 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
3810                           int element, boolean change_level)
3811 {
3812   int lx = sx + level_xpos;
3813   int ly = sy + level_ypos;
3814
3815   if (element == -1)
3816     DrawMiniElement(sx, sy, Feld[lx][ly]);
3817   else
3818     DrawAreaBorder(sx, sy, sx, sy);
3819 }
3820
3821 static void CopyLevelToUndoBuffer(int mode)
3822 {
3823   static boolean accumulated_undo = FALSE;
3824   boolean new_undo_buffer_position = TRUE;
3825   int last_border_element;
3826   int x, y;
3827
3828   switch (mode)
3829   {
3830     case UNDO_IMMEDIATE:
3831       accumulated_undo = FALSE;
3832       break;
3833
3834     case UNDO_ACCUMULATE:
3835       if (accumulated_undo)
3836         new_undo_buffer_position = FALSE;
3837       accumulated_undo = TRUE;
3838       break;
3839
3840     default:
3841       break;
3842   }
3843
3844   if (new_undo_buffer_position)
3845   {
3846     /* new position in undo buffer ring */
3847     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
3848
3849     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
3850       undo_buffer_steps++;
3851   }
3852
3853   for(x=0; x<lev_fieldx; x++)
3854     for(y=0; y<lev_fieldy; y++)
3855       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
3856
3857   /* check if drawing operation forces change of border style */
3858   last_border_element = BorderElement;
3859   SetBorderElement();
3860   if (BorderElement != last_border_element)
3861     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3862
3863 #if 0
3864 #ifdef DEBUG
3865   printf("level saved to undo buffer\n");
3866 #endif
3867 #endif
3868 }
3869
3870 static void RandomPlacement(int new_element)
3871 {
3872   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3873   int num_free_positions;
3874   int num_percentage;
3875   int num_elements;
3876   int x, y;
3877
3878   /* determine number of free positions for the new elements */
3879   /* (maybe this statement should be formatted a bit more readable...) */
3880   num_free_positions = 0;
3881   for (x=0; x<lev_fieldx; x++)
3882     for (y=0; y<lev_fieldy; y++)
3883       if ((free_position[x][y] =
3884            ((random_placement_background_restricted &&
3885              Feld[x][y] == random_placement_background_element) ||
3886             (!random_placement_background_restricted &&
3887              Feld[x][y] != new_element))) == TRUE)
3888         num_free_positions++;
3889
3890   /* determine number of new elements to place there */
3891   num_percentage = num_free_positions * random_placement_value / 100;
3892   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
3893                   num_percentage : random_placement_value);
3894
3895   /* if not more free positions than elements to place, fill whole level */
3896   if (num_elements >= num_free_positions)
3897   {
3898     for (x=0; x<lev_fieldx; x++)
3899       for (y=0; y<lev_fieldy; y++)
3900         Feld[x][y] = new_element;
3901
3902     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3903     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3904     return;
3905   }
3906
3907   while (num_elements > 0)
3908   {
3909     x = RND(lev_fieldx);
3910     y = RND(lev_fieldy);
3911
3912     /* don't place element at the same position twice */
3913     if (free_position[x][y])
3914     {
3915       free_position[x][y] = FALSE;
3916       Feld[x][y] = new_element;
3917       num_elements--;
3918     }
3919   }
3920
3921   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3922   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3923 }
3924
3925 void WrapLevel(int dx, int dy)
3926 {
3927   int wrap_dx = lev_fieldx - dx;
3928   int wrap_dy = lev_fieldy - dy;
3929   int x, y;
3930
3931   for(x=0; x<lev_fieldx; x++)
3932     for(y=0; y<lev_fieldy; y++)
3933       FieldBackup[x][y] = Feld[x][y];
3934
3935   for(x=0; x<lev_fieldx; x++)
3936     for(y=0; y<lev_fieldy; y++)
3937       Feld[x][y] =
3938         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
3939
3940   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3941   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
3942 }
3943
3944 static void HandleDrawingAreas(struct GadgetInfo *gi)
3945 {
3946   static boolean started_inside_drawing_area = FALSE;
3947   int id = gi->custom_id;
3948   boolean button_press_event;
3949   boolean button_release_event;
3950   boolean inside_drawing_area = !gi->event.off_borders;
3951   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
3952   int actual_drawing_function;
3953   int button = gi->event.button;
3954   int new_element = BUTTON_ELEMENT(button);
3955   int sx = gi->event.x, sy = gi->event.y;
3956   int min_sx = 0, min_sy = 0;
3957   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
3958   int lx = 0, ly = 0;
3959   int min_lx = 0, min_ly = 0;
3960   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
3961   int x, y;
3962
3963   /* handle info callback for each invocation of action callback */
3964   gi->callback_info(gi);
3965
3966   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
3967   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
3968
3969   /* make sure to stay inside drawing area boundaries */
3970   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
3971   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
3972
3973   if (draw_level)
3974   {
3975     /* get positions inside level field */
3976     lx = sx + level_xpos;
3977     ly = sy + level_ypos;
3978
3979     if (!IN_LEV_FIELD(lx, ly))
3980       inside_drawing_area = FALSE;
3981
3982     /* make sure to stay inside level field boundaries */
3983     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
3984     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
3985
3986     /* correct drawing area positions accordingly */
3987     sx = lx - level_xpos;
3988     sy = ly - level_ypos;
3989   }
3990
3991   if (button_press_event)
3992     started_inside_drawing_area = inside_drawing_area;
3993
3994   if (!started_inside_drawing_area)
3995     return;
3996
3997   if (!button && !button_release_event)
3998     return;
3999
4000   /* automatically switch to 'single item' drawing mode, if needed */
4001   actual_drawing_function =
4002     (draw_level ? drawing_function : GADGET_ID_SINGLE_ITEMS);
4003
4004   switch (actual_drawing_function)
4005   {
4006     case GADGET_ID_SINGLE_ITEMS:
4007       if (draw_level)
4008       {
4009         if (button_release_event)
4010         {
4011           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4012
4013           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
4014               !inside_drawing_area)
4015             DeleteBrushFromCursor();
4016         }
4017
4018         if (!button)
4019           break;
4020
4021         if (draw_with_brush)
4022         {
4023           if (!button_release_event)
4024             CopyBrushToLevel(sx, sy, button);
4025         }
4026         else if (new_element != Feld[lx][ly])
4027         {
4028           if (new_element == EL_PLAYER_1)
4029           {
4030             /* remove player at old position */
4031             for(y=0; y<lev_fieldy; y++)
4032             {
4033               for(x=0; x<lev_fieldx; x++)
4034               {
4035                 if (Feld[x][y] == EL_PLAYER_1)
4036                 {
4037                   Feld[x][y] = EL_EMPTY;
4038                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
4039                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
4040                     DrawMiniElement(x - level_xpos, y - level_ypos,
4041                                     EL_EMPTY);
4042                 }
4043               }
4044             }
4045           }
4046
4047           Feld[lx][ly] = new_element;
4048           DrawMiniElement(sx, sy, new_element);
4049         }
4050       }
4051       else
4052       {
4053         DrawMiniGraphicExt(drawto,
4054                            gi->x + sx * MINI_TILEX,
4055                            gi->y + sy * MINI_TILEY,
4056                            el2edimg(new_element));
4057         DrawMiniGraphicExt(window,
4058                            gi->x + sx * MINI_TILEX,
4059                            gi->y + sy * MINI_TILEY,
4060                            el2edimg(new_element));
4061
4062         if (id == GADGET_ID_AMOEBA_CONTENT)
4063           level.amoeba_content = new_element;
4064         else if (id == GADGET_ID_RANDOM_BACKGROUND)
4065           random_placement_background_element = new_element;
4066         else if (id >= GADGET_ID_ELEM_CONTENT_0 &&
4067                  id <= GADGET_ID_ELEM_CONTENT_7)
4068           level.yam_content[id - GADGET_ID_ELEM_CONTENT_0][sx][sy] =
4069             new_element;
4070       }
4071       break;
4072
4073     case GADGET_ID_CONNECTED_ITEMS:
4074       {
4075         static int last_sx = -1;
4076         static int last_sy = -1;
4077
4078         if (button_release_event)
4079           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4080
4081         if (button)
4082         {
4083           if (!button_press_event)
4084             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
4085
4086           last_sx = sx;
4087           last_sy = sy;
4088         }
4089       }
4090       break;
4091
4092     case GADGET_ID_LINE:
4093     case GADGET_ID_ARC:
4094     case GADGET_ID_RECTANGLE:
4095     case GADGET_ID_FILLED_BOX:
4096     case GADGET_ID_GRAB_BRUSH:
4097     case GADGET_ID_TEXT:
4098       {
4099         static int last_sx = -1;
4100         static int last_sy = -1;
4101         static int start_sx = -1;
4102         static int start_sy = -1;
4103         void (*draw_func)(int, int, int, int, int, boolean);
4104
4105         if (drawing_function == GADGET_ID_LINE)
4106           draw_func = DrawLine;
4107         else if (drawing_function == GADGET_ID_ARC)
4108           draw_func = DrawArc;
4109         else if (drawing_function == GADGET_ID_RECTANGLE)
4110           draw_func = DrawBox;
4111         else if (drawing_function == GADGET_ID_FILLED_BOX)
4112           draw_func = DrawFilledBox;
4113         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
4114           draw_func = SelectArea;
4115         else /* (drawing_function == GADGET_ID_TEXT) */
4116           draw_func = SetTextCursor;
4117
4118         if (button_press_event)
4119         {
4120           draw_func(sx, sy, sx, sy, new_element, FALSE);
4121           start_sx = last_sx = sx;
4122           start_sy = last_sy = sy;
4123
4124           if (drawing_function == GADGET_ID_TEXT)
4125             DrawLevelText(0, 0, 0, TEXT_END);
4126         }
4127         else if (button_release_event)
4128         {
4129           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
4130           if (drawing_function == GADGET_ID_GRAB_BRUSH)
4131           {
4132             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
4133             CopyBrushToCursor(sx, sy);
4134             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
4135                           MB_LEFTBUTTON);
4136             draw_with_brush = TRUE;
4137           }
4138           else if (drawing_function == GADGET_ID_TEXT)
4139             DrawLevelText(sx, sy, 0, TEXT_INIT);
4140           else
4141             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4142         }
4143         else if (last_sx != sx || last_sy != sy)
4144         {
4145           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
4146           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
4147           last_sx = sx;
4148           last_sy = sy;
4149         }
4150       }
4151       break;
4152
4153     case GADGET_ID_FLOOD_FILL:
4154       if (button_press_event && Feld[lx][ly] != new_element)
4155       {
4156         FloodFill(lx, ly, new_element);
4157         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4158         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4159       }
4160       break;
4161
4162     case GADGET_ID_PICK_ELEMENT:
4163       if (button_release_event)
4164         ClickOnGadget(level_editor_gadget[last_drawing_function],
4165                       MB_LEFTBUTTON);
4166       else
4167         PickDrawingElement(button, Feld[lx][ly]);
4168
4169       break;
4170
4171     default:
4172       break;
4173   }
4174 }
4175
4176 static void HandleCounterButtons(struct GadgetInfo *gi)
4177 {
4178   int gadget_id = gi->custom_id;
4179   int counter_id = gi->custom_type_id;
4180   int button = gi->event.button;
4181   int *counter_value = counterbutton_info[counter_id].value;
4182   int step = BUTTON_STEPSIZE(button) *
4183     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
4184
4185   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
4186   {
4187     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
4188     boolean released = (gi->event.type == GD_EVENT_RELEASED);
4189     boolean level_changed = LevelChanged();
4190
4191     if ((level_changed && pressed) || (!level_changed && released))
4192       return;
4193
4194     if (level_changed && !Request("Level has changed! Discard changes ?",
4195                                   REQ_ASK))
4196     {
4197       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
4198         ModifyEditorCounter(counter_id, *counter_value);
4199       return;
4200     }
4201   }
4202
4203   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
4204     *counter_value = gi->text.number_value;
4205   else
4206     ModifyEditorCounter(counter_id, *counter_value + step);
4207
4208   switch (counter_id)
4209   {
4210     case ED_COUNTER_ID_ELEM_CONTENT:
4211       DrawElementContentAreas();
4212       break;
4213
4214     case ED_COUNTER_ID_LEVEL_XSIZE:
4215     case ED_COUNTER_ID_LEVEL_YSIZE:
4216       lev_fieldx = level.fieldx;
4217       lev_fieldy = level.fieldy;
4218       break;
4219
4220     case ED_COUNTER_ID_SELECT_LEVEL:
4221       LoadLevel(level_nr);
4222       TapeErase();
4223       ResetUndoBuffer();
4224       DrawEditModeWindow();
4225       break;
4226
4227     default:
4228       break;
4229   }
4230 }
4231
4232 static void HandleTextInputGadgets(struct GadgetInfo *gi)
4233 {
4234   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
4235 }
4236
4237 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
4238 {
4239   *selectbox_info[gi->custom_type_id].index = gi->selectbox.index;
4240
4241 #if 1
4242   printf("Selected text value: '%s'\n",
4243          selectbox_info[gi->custom_type_id].values[gi->selectbox.index]);
4244 #endif
4245 }
4246
4247 static void HandleRadiobuttons(struct GadgetInfo *gi)
4248 {
4249   *radiobutton_info[gi->custom_type_id].value =
4250     radiobutton_info[gi->custom_type_id].checked_value;
4251 }
4252
4253 static void HandleCheckbuttons(struct GadgetInfo *gi)
4254 {
4255   int type_id = gi->custom_type_id;
4256
4257   *checkbutton_info[type_id].value ^= TRUE;
4258
4259   if (type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
4260       type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST)
4261     CopyCustomElementPropertiesToGame();
4262 }
4263
4264 static void HandleControlButtons(struct GadgetInfo *gi)
4265 {
4266   int id = gi->custom_id;
4267   int button = gi->event.button;
4268   int step = BUTTON_STEPSIZE(button);
4269   int new_element = BUTTON_ELEMENT(button);
4270   int i, x, y;
4271
4272   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
4273     DrawLevelText(0, 0, 0, TEXT_END);
4274
4275   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
4276       edit_mode != ED_MODE_DRAWING)
4277   {
4278     DrawDrawingWindow();
4279     edit_mode = ED_MODE_DRAWING;
4280   }
4281
4282   switch (id)
4283   {
4284     case GADGET_ID_SCROLL_LEFT:
4285       if (level_xpos >= 0)
4286       {
4287         if (lev_fieldx < ed_fieldx - 2)
4288           break;
4289
4290         level_xpos -= step;
4291         if (level_xpos < -1)
4292           level_xpos = -1;
4293         if (button == 1)
4294           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
4295         else
4296           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4297
4298         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4299                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
4300       }
4301       break;
4302
4303     case GADGET_ID_SCROLL_RIGHT:
4304       if (level_xpos <= lev_fieldx - ed_fieldx)
4305       {
4306         if (lev_fieldx < ed_fieldx - 2)
4307           break;
4308
4309         level_xpos += step;
4310         if (level_xpos > lev_fieldx - ed_fieldx + 1)
4311           level_xpos = lev_fieldx - ed_fieldx + 1;
4312         if (button == 1)
4313           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
4314         else
4315           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4316
4317         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4318                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
4319       }
4320       break;
4321
4322     case GADGET_ID_SCROLL_UP:
4323       if (level_ypos >= 0)
4324       {
4325         if (lev_fieldy < ed_fieldy - 2)
4326           break;
4327
4328         level_ypos -= step;
4329         if (level_ypos < -1)
4330           level_ypos = -1;
4331         if (button == 1)
4332           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
4333         else
4334           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4335
4336         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4337                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
4338       }
4339       break;
4340
4341     case GADGET_ID_SCROLL_DOWN:
4342       if (level_ypos <= lev_fieldy - ed_fieldy)
4343       {
4344         if (lev_fieldy < ed_fieldy - 2)
4345           break;
4346
4347         level_ypos += step;
4348         if (level_ypos > lev_fieldy - ed_fieldy + 1)
4349           level_ypos = lev_fieldy - ed_fieldy + 1;
4350         if (button == 1)
4351           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
4352         else
4353           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4354
4355         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4356                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
4357       }
4358       break;
4359
4360     case GADGET_ID_SCROLL_HORIZONTAL:
4361       level_xpos = gi->event.item_position - 1;
4362       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4363       break;
4364
4365     case GADGET_ID_SCROLL_VERTICAL:
4366       level_ypos = gi->event.item_position - 1;
4367       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4368       break;
4369
4370     case GADGET_ID_SCROLL_LIST_UP:
4371     case GADGET_ID_SCROLL_LIST_DOWN:
4372     case GADGET_ID_SCROLL_LIST_VERTICAL:
4373       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
4374         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
4375       else
4376       {
4377         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
4378         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
4379
4380         if (element_shift < 0)
4381           element_shift = 0;
4382         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
4383           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
4384
4385         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
4386                      GDI_SCROLLBAR_ITEM_POSITION,
4387                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
4388       }
4389
4390       for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4391       {
4392         int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4393         struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4394         struct GadgetDesign *gd = &gi->deco.design;
4395         int element = editor_elements[element_shift + i];
4396
4397         UnmapGadget(gi);
4398         getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
4399         ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4400         MapGadget(gi);
4401       }
4402       break;
4403
4404     case GADGET_ID_WRAP_LEFT:
4405       WrapLevel(-step, 0);
4406       break;
4407
4408     case GADGET_ID_WRAP_RIGHT:
4409       WrapLevel(step, 0);
4410       break;
4411
4412     case GADGET_ID_WRAP_UP:
4413       WrapLevel(0, -step);
4414       break;
4415
4416     case GADGET_ID_WRAP_DOWN:
4417       WrapLevel(0, step);
4418       break;
4419
4420     case GADGET_ID_SINGLE_ITEMS:
4421     case GADGET_ID_CONNECTED_ITEMS:
4422     case GADGET_ID_LINE:
4423     case GADGET_ID_ARC:
4424     case GADGET_ID_TEXT:
4425     case GADGET_ID_RECTANGLE:
4426     case GADGET_ID_FILLED_BOX:
4427     case GADGET_ID_FLOOD_FILL:
4428     case GADGET_ID_GRAB_BRUSH:
4429     case GADGET_ID_PICK_ELEMENT:
4430       last_drawing_function = drawing_function;
4431       drawing_function = id;
4432       draw_with_brush = FALSE;
4433       break;
4434
4435     case GADGET_ID_RANDOM_PLACEMENT:
4436       RandomPlacement(new_element);
4437       break;
4438
4439     case GADGET_ID_PROPERTIES:
4440       if (edit_mode != ED_MODE_PROPERTIES)
4441       {
4442         properties_element = new_element;
4443         DrawPropertiesWindow();
4444         edit_mode = ED_MODE_PROPERTIES;
4445       }
4446       else
4447       {
4448         DrawDrawingWindow();
4449         edit_mode = ED_MODE_DRAWING;
4450       }
4451       break;
4452
4453     case GADGET_ID_UNDO:
4454       if (undo_buffer_steps == 0)
4455       {
4456         Request("Undo buffer empty !", REQ_CONFIRM);
4457         break;
4458       }
4459
4460       undo_buffer_position =
4461         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
4462       undo_buffer_steps--;
4463
4464       for(x=0; x<lev_fieldx; x++)
4465         for(y=0; y<lev_fieldy; y++)
4466           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
4467       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
4468       break;
4469
4470     case GADGET_ID_INFO:
4471       if (edit_mode != ED_MODE_INFO)
4472       {
4473         DrawLevelInfoWindow();
4474         edit_mode = ED_MODE_INFO;
4475       }
4476       else
4477       {
4478         DrawDrawingWindow();
4479         edit_mode = ED_MODE_DRAWING;
4480       }
4481       break;
4482
4483     case GADGET_ID_CLEAR:
4484       for(x=0; x<MAX_LEV_FIELDX; x++)
4485         for(y=0; y<MAX_LEV_FIELDY; y++)
4486           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
4487       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
4488
4489       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4490       break;
4491
4492     case GADGET_ID_SAVE:
4493       if (leveldir_current->readonly)
4494       {
4495         Request("This level is read only !", REQ_CONFIRM);
4496         break;
4497       }
4498
4499       if (!LevelContainsPlayer)
4500         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
4501       else
4502       {
4503         if (Request("Save this level and kill the old ?", REQ_ASK))
4504         {
4505           CopyPlayfield(Feld, Ur);
4506
4507           SaveLevel(level_nr);
4508         }
4509       }
4510       break;
4511
4512     case GADGET_ID_TEST:
4513       if (!LevelContainsPlayer)
4514         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
4515       else
4516       {
4517         if (LevelChanged())
4518           level.game_version = GAME_VERSION_ACTUAL;
4519
4520         CopyPlayfield(Ur, FieldBackup);
4521         CopyPlayfield(Feld, Ur);
4522
4523         UnmapLevelEditorGadgets();
4524         UndrawSpecialEditorDoor();
4525
4526         CloseDoor(DOOR_CLOSE_ALL);
4527
4528         DrawCompleteVideoDisplay();
4529
4530         if (setup.autorecord)
4531           TapeStartRecording();
4532
4533         level_editor_test_game = TRUE;
4534         game_status = PLAYING;
4535
4536         InitGame();
4537       }
4538       break;
4539
4540     case GADGET_ID_EXIT:
4541       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
4542       break;
4543
4544     default:
4545       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
4546           id <= GADGET_ID_ELEMENTLIST_LAST)
4547       {
4548         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
4549         int new_element = editor_elements[element_position + element_shift];
4550
4551         PickDrawingElement(button, new_element);
4552
4553         if (!HAS_CONTENT(properties_element) ||
4554             !stick_element_properties_window)
4555         {
4556           properties_element = new_element;
4557           if (edit_mode == ED_MODE_PROPERTIES)
4558             DrawPropertiesWindow();
4559         }
4560
4561         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4562           ClickOnGadget(level_editor_gadget[last_drawing_function],
4563                         MB_LEFTBUTTON);
4564       }
4565 #ifdef DEBUG
4566       else if (gi->event.type == GD_EVENT_PRESSED)
4567         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
4568       else if (gi->event.type == GD_EVENT_RELEASED)
4569         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
4570       else if (gi->event.type == GD_EVENT_MOVING)
4571         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
4572       else
4573         printf("default: HandleControlButtons: ? (id == %d)\n", id);
4574 #endif
4575       break;
4576   }
4577 }
4578
4579 void HandleLevelEditorKeyInput(Key key)
4580 {
4581   char letter = getCharFromKey(key);
4582   int button = MB_LEFTBUTTON;
4583
4584   if (drawing_function == GADGET_ID_TEXT &&
4585       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
4586   {
4587     if (letter)
4588       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
4589     else if (key == KSYM_Delete || key == KSYM_BackSpace)
4590       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
4591     else if (key == KSYM_Return)
4592       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
4593     else if (key == KSYM_Escape)
4594       DrawLevelText(0, 0, 0, TEXT_END);
4595   }
4596   else if (button_status == MB_RELEASED)
4597   {
4598     int i, id = GADGET_ID_NONE;
4599
4600     switch (key)
4601     {
4602       case KSYM_Left:
4603         id = GADGET_ID_SCROLL_LEFT;
4604         break;
4605       case KSYM_Right:
4606         id = GADGET_ID_SCROLL_RIGHT;
4607         break;
4608       case KSYM_Up:
4609         id = GADGET_ID_SCROLL_UP;
4610         break;
4611       case KSYM_Down:
4612         id = GADGET_ID_SCROLL_DOWN;
4613         break;
4614       case KSYM_Page_Up:
4615         id = GADGET_ID_SCROLL_LIST_UP;
4616         button = MB_RIGHTBUTTON;
4617         break;
4618       case KSYM_Page_Down:
4619         id = GADGET_ID_SCROLL_LIST_DOWN;
4620         button = MB_RIGHTBUTTON;
4621         break;
4622
4623       case KSYM_Escape:
4624         if (edit_mode == ED_MODE_DRAWING)
4625         {
4626           RequestExitLevelEditor(setup.ask_on_escape);
4627         }
4628         else
4629         {
4630           DrawDrawingWindow();
4631           edit_mode = ED_MODE_DRAWING;
4632         }
4633         break;
4634
4635       default:
4636         break;
4637     }
4638
4639     if (id != GADGET_ID_NONE)
4640       ClickOnGadget(level_editor_gadget[id], button);
4641     else if (letter == '.')
4642       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
4643     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
4644       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
4645     else
4646       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
4647         if (letter && letter == control_info[i].shortcut)
4648           if (!anyTextGadgetActive())
4649             ClickOnGadget(level_editor_gadget[i], button);
4650   }
4651 }
4652
4653 void HandleLevelEditorIdle()
4654 {
4655   static unsigned long action_delay = 0;
4656   unsigned long action_delay_value = GameFrameDelay;
4657   int xpos = 1, ypos = 2;
4658
4659   if (edit_mode != ED_MODE_PROPERTIES)
4660     return;
4661
4662   if (!DelayReached(&action_delay, action_delay_value))
4663     return;
4664
4665   DrawGraphicAnimationExt(drawto,
4666                           SX + xpos * TILEX,
4667                           SY + ypos * TILEY + MINI_TILEY / 2,
4668                           el2edimg(properties_element), -1, NO_MASKING);
4669
4670   MarkTileDirty(xpos, ypos);
4671   MarkTileDirty(xpos, ypos + 1);
4672
4673   FrameCounter++;       /* increase animation frame counter */
4674 }
4675
4676 void ClearEditorGadgetInfoText()
4677 {
4678   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
4679 }
4680
4681 void HandleEditorGadgetInfoText(void *ptr)
4682 {
4683   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
4684   char infotext[MAX_OUTPUT_LINESIZE + 1];
4685   char shortcut[MAX_OUTPUT_LINESIZE + 1];
4686   int max_infotext_len = getMaxInfoTextLength();
4687
4688   if (game_status != LEVELED)
4689     return;
4690
4691   ClearEditorGadgetInfoText();
4692
4693   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4694     return;
4695
4696   /* misuse this function to delete brush cursor, if needed */
4697   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
4698     DeleteBrushFromCursor();
4699
4700   if (gi == NULL || gi->info_text == NULL)
4701     return;
4702
4703   strncpy(infotext, gi->info_text, max_infotext_len);
4704   infotext[max_infotext_len] = '\0';
4705
4706   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
4707   {
4708     int key = control_info[gi->custom_id].shortcut;
4709
4710     if (key)
4711     {
4712       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
4713         sprintf(shortcut, " ('.' or '%c')", key);
4714       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
4715         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
4716       else                                              /* normal case */
4717         sprintf(shortcut, " ('%s%c')",
4718                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
4719
4720       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
4721         strcat(infotext, shortcut);
4722     }
4723   }
4724
4725   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
4726 }
4727
4728 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
4729 {
4730   static int start_lx, start_ly;
4731   char *infotext;
4732   int id = gi->custom_id;
4733   int sx = gi->event.x;
4734   int sy = gi->event.y;
4735   int lx = sx + level_xpos;
4736   int ly = sy + level_ypos;
4737   int min_sx = 0, min_sy = 0;
4738   int max_sx = gi->drawing.area_xsize - 1;
4739   int max_sy = gi->drawing.area_ysize - 1;
4740
4741   ClearEditorGadgetInfoText();
4742
4743   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4744     return;
4745
4746   /* make sure to stay inside drawing area boundaries */
4747   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
4748   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
4749
4750   if (id == GADGET_ID_DRAWING_LEVEL)
4751   {
4752     if (button_status)
4753     {
4754       int min_lx = 0, min_ly = 0;
4755       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
4756
4757       /* get positions inside level field */
4758       lx = sx + level_xpos;
4759       ly = sy + level_ypos;
4760
4761       /* make sure to stay inside level field boundaries */
4762       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
4763       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
4764
4765       /* correct drawing area positions accordingly */
4766       sx = lx - level_xpos;
4767       sy = ly - level_ypos;
4768     }
4769
4770     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
4771     {
4772       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
4773       {
4774         if (gi->event.type == GD_EVENT_PRESSED)
4775         {
4776           start_lx = lx;
4777           start_ly = ly;
4778         }
4779
4780         switch (drawing_function)
4781         {
4782           case GADGET_ID_SINGLE_ITEMS:
4783             infotext = "Drawing single items";
4784             break;
4785           case GADGET_ID_CONNECTED_ITEMS:
4786             infotext = "Drawing connected items";
4787             break;
4788           case GADGET_ID_LINE:
4789             infotext = "Drawing line";
4790             break;
4791           case GADGET_ID_ARC:
4792             infotext = "Drawing arc";
4793             break;
4794           case GADGET_ID_TEXT:
4795             infotext = "Setting text cursor";
4796             break;
4797           case GADGET_ID_RECTANGLE:
4798             infotext = "Drawing rectangle";
4799             break;
4800           case GADGET_ID_FILLED_BOX:
4801             infotext = "Drawing filled box";
4802             break;
4803           case GADGET_ID_FLOOD_FILL:
4804             infotext = "Flood fill";
4805             break;
4806           case GADGET_ID_GRAB_BRUSH:
4807             infotext = "Grabbing brush";
4808             break;
4809           case GADGET_ID_PICK_ELEMENT:
4810             infotext = "Picking element";
4811             break;
4812
4813           default:
4814             infotext = "Drawing position";
4815             break;
4816         }
4817
4818         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4819           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4820                     "%s: %d, %d", infotext, lx, ly);
4821         else
4822           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4823                     "%s: %d, %d", infotext,
4824                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
4825       }
4826       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
4827         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4828                   "%s", getElementInfoText(Feld[lx][ly]));
4829       else
4830         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4831                   "Level position: %d, %d", lx, ly);
4832     }
4833
4834     /* misuse this function to draw brush cursor, if needed */
4835     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
4836     {
4837       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4838         CopyBrushToCursor(sx, sy);
4839       else
4840         DeleteBrushFromCursor();
4841     }
4842   }
4843   else if (id == GADGET_ID_AMOEBA_CONTENT)
4844     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4845               "Amoeba content");
4846   else if (id == GADGET_ID_RANDOM_BACKGROUND)
4847     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4848               "Random placement background");
4849   else
4850     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4851               "Content area %d position: %d, %d",
4852               id - GADGET_ID_ELEM_CONTENT_0 + 1, sx, sy);
4853 }
4854
4855 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
4856 {
4857   if (!ask_if_level_has_changed ||
4858       !LevelChanged() ||
4859       Request("Level has changed! Exit without saving ?",
4860               REQ_ASK | REQ_STAY_OPEN))
4861   {
4862     CloseDoor(DOOR_CLOSE_1);
4863     /*
4864     CloseDoor(DOOR_CLOSE_ALL);
4865     */
4866     game_status = MAINMENU;
4867     DrawMainMenu();
4868   }
4869   else
4870   {
4871     CloseDoor(DOOR_CLOSE_1);
4872     BlitBitmap(bitmap_db_door, bitmap_db_door,
4873                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
4874                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
4875     OpenDoor(DOOR_OPEN_1);
4876   }
4877 }