+ if (has_crumbled_graphics)
+ {
+ struct GraphicInfo *g_crumbled = &graphic_info[crumbled];
+ int frame_crumbled = getAnimationFrame(g_crumbled->anim_frames,
+ g_crumbled->anim_delay,
+ g_crumbled->anim_mode,
+ g_crumbled->anim_start_frame,
+ sync_frame);
+
+ getGraphicSource(crumbled, frame_crumbled, &g_em->crumbled_bitmap,
+ &g_em->crumbled_src_x, &g_em->crumbled_src_y);
+
+ g_em->crumbled_border_size = graphic_info[crumbled].border_size;
+
+ g_em->has_crumbled_graphics = TRUE;
+ }
+ else
+ {
+ g_em->crumbled_bitmap = NULL;
+ g_em->crumbled_src_x = 0;
+ g_em->crumbled_src_y = 0;
+ g_em->crumbled_border_size = 0;
+
+ g_em->has_crumbled_graphics = FALSE;
+ }
+}
+
+void ResetGfxAnimation_EM(int x, int y, int tile)
+{
+ GfxFrame[x][y] = 0;
+}
+
+void SetGfxAnimation_EM(struct GraphicInfo_EM *g_em,
+ int tile, int frame_em, int x, int y)
+{
+ int action = object_mapping[tile].action;
+#if 1
+ int direction = object_mapping[tile].direction;
+ int effective_element = get_effective_element_EM(tile, frame_em);
+ int graphic = (direction == MV_NONE ?
+ el_act2img(effective_element, action) :
+ el_act_dir2img(effective_element, action, direction));
+ struct GraphicInfo *g = &graphic_info[graphic];
+ int sync_frame;
+#endif
+ boolean action_removing = (action == ACTION_DIGGING ||
+ action == ACTION_SNAPPING ||
+ action == ACTION_COLLECTING);
+ boolean action_moving = (action == ACTION_FALLING ||
+ action == ACTION_MOVING ||
+ action == ACTION_PUSHING ||
+ action == ACTION_EATING ||
+ action == ACTION_FILLING ||
+ action == ACTION_EMPTYING);
+ boolean action_falling = (action == ACTION_FALLING ||
+ action == ACTION_FILLING ||
+ action == ACTION_EMPTYING);
+
+ if (action_removing || check_linear_animation_EM(tile))
+ {
+ GfxFrame[x][y] = frame_em;
+ }
+ else if (action_moving)
+ {
+ boolean is_backside = object_mapping[tile].is_backside;
+
+ if (is_backside)
+ {
+ int direction = object_mapping[tile].direction;
+ int move_dir = (action_falling ? MV_DOWN : direction);
+
+ GfxFrame[x][y]++;
+
+ if (move_dir == MV_LEFT)
+ GfxFrame[x - 1][y] = GfxFrame[x][y];
+ else if (move_dir == MV_RIGHT)
+ GfxFrame[x + 1][y] = GfxFrame[x][y];
+ else if (move_dir == MV_UP)
+ GfxFrame[x][y - 1] = GfxFrame[x][y];
+ else if (move_dir == MV_DOWN)
+ GfxFrame[x][y + 1] = GfxFrame[x][y];
+ }
+ }
+ else
+ {
+ GfxFrame[x][y]++;
+ }
+
+#if 1
+ if (graphic_info[graphic].anim_global_sync)
+ sync_frame = FrameCounter;
+ else if (IN_FIELD(x, y, MAX_LEV_FIELDX, MAX_LEV_FIELDY))
+ sync_frame = GfxFrame[x][y];
+ else
+ sync_frame = 0; /* playfield border (pseudo steel) */
+
+ SetRandomAnimationValue(x, y);
+
+ int frame = getAnimationFrame(g->anim_frames,
+ g->anim_delay,
+ g->anim_mode,
+ g->anim_start_frame,
+ sync_frame);
+
+ g_em->unique_identifier =
+ (graphic << 16) | ((frame % 8) << 12) | (g_em->width << 6) | g_em->height;
+#endif
+}
+
+void getGraphicSourceObjectExt_EM(struct GraphicInfo_EM *g_em,
+ int tile, int frame_em, int x, int y)
+{
+ int action = object_mapping[tile].action;
+ int direction = object_mapping[tile].direction;
+ int effective_element = get_effective_element_EM(tile, frame_em);
+ int graphic = (direction == MV_NONE ?
+ el_act2img(effective_element, action) :
+ el_act_dir2img(effective_element, action, direction));
+ int crumbled = (direction == MV_NONE ?
+ el_act2crm(effective_element, action) :
+ el_act_dir2crm(effective_element, action, direction));
+ int base_graphic = el_act2img(effective_element, ACTION_DEFAULT);
+ int base_crumbled = el_act2crm(effective_element, ACTION_DEFAULT);
+ boolean has_crumbled_graphics = (base_crumbled != base_graphic);
+ struct GraphicInfo *g = &graphic_info[graphic];
+#if 0
+ struct GraphicInfo *g_crumbled = &graphic_info[crumbled];
+#endif
+ int sync_frame;
+
+#if 0
+ if (frame_em == 0) /* reset animation frame for certain elements */
+ {
+ if (check_linear_animation_EM(tile))
+ GfxFrame[x][y] = 0;
+ }
+#endif
+
+ if (graphic_info[graphic].anim_global_sync)
+ sync_frame = FrameCounter;
+ else if (IN_FIELD(x, y, MAX_LEV_FIELDX, MAX_LEV_FIELDY))
+ sync_frame = GfxFrame[x][y];
+ else
+ sync_frame = 0; /* playfield border (pseudo steel) */
+
+ SetRandomAnimationValue(x, y);
+
+ int frame = getAnimationFrame(g->anim_frames,
+ g->anim_delay,
+ g->anim_mode,
+ g->anim_start_frame,
+ sync_frame);
+
+ getGraphicSourceExt(graphic, frame, &g_em->bitmap,
+ &g_em->src_x, &g_em->src_y, FALSE);
+
+ /* (updating the "crumbled" graphic definitions is probably not really needed,
+ as animations for crumbled graphics can't be longer than one EMC cycle) */
+#if 1
+ set_crumbled_graphics_EM(g_em, has_crumbled_graphics, crumbled,
+ sync_frame);
+
+#else
+
+ g_em->crumbled_bitmap = NULL;
+ g_em->crumbled_src_x = 0;
+ g_em->crumbled_src_y = 0;
+
+ g_em->has_crumbled_graphics = FALSE;
+
+ if (has_crumbled_graphics && crumbled != IMG_EMPTY_SPACE)
+ {
+ int frame_crumbled = getAnimationFrame(g_crumbled->anim_frames,
+ g_crumbled->anim_delay,
+ g_crumbled->anim_mode,
+ g_crumbled->anim_start_frame,
+ sync_frame);
+
+ getGraphicSource(crumbled, frame_crumbled, &g_em->crumbled_bitmap,
+ &g_em->crumbled_src_x, &g_em->crumbled_src_y);
+
+ g_em->has_crumbled_graphics = TRUE;
+ }
+#endif
+}
+
+void getGraphicSourcePlayerExt_EM(struct GraphicInfo_EM *g_em,
+ int player_nr, int anim, int frame_em)
+{
+ int element = player_mapping[player_nr][anim].element_rnd;
+ int action = player_mapping[player_nr][anim].action;
+ int direction = player_mapping[player_nr][anim].direction;