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