+#define ONLY_REDRAW_GLOBAL_BORDER_IF_NEEDED 0
+
+#if ONLY_REDRAW_GLOBAL_BORDER_IF_NEEDED
+static boolean CheckIfGlobalBorderRedrawIsNeeded(void)
+{
+ // if game status has not changed, nothing has to be redrawn
+ if (game_status == game_status_last)
+ return FALSE;
+
+ // redraw if last screen was title screen
+ if (game_status_last == GAME_MODE_TITLE)
+ return TRUE;
+
+ // redraw if global screen border has changed
+ if (CheckIfGlobalBorderHasChanged())
+ return TRUE;
+
+ // redraw if position or size of playfield area has changed
+ if (real_sx_last != REAL_SX || real_sy_last != REAL_SY ||
+ full_sxsize_last != FULL_SXSIZE || full_sysize_last != FULL_SYSIZE)
+ return TRUE;
+
+ // redraw if position or size of door area has changed
+ if (dx_last != DX || dy_last != DY ||
+ dxsize_last != DXSIZE || dysize_last != DYSIZE)
+ return TRUE;
+
+ // redraw if position or size of tape area has changed
+ if (vx_last != VX || vy_last != VY ||
+ vxsize_last != VXSIZE || vysize_last != VYSIZE)
+ return TRUE;
+
+ // redraw if position or size of editor area has changed
+ if (ex_last != EX || ey_last != EY ||
+ exsize_last != EXSIZE || eysize_last != EYSIZE)
+ return TRUE;
+
+ return FALSE;
+}
+#endif
+
+static void RedrawGlobalBorderFromBitmap(Bitmap *bitmap)
+{
+ if (bitmap)
+ BlitBitmap(bitmap, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+ else
+ ClearRectangle(backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE);
+}
+
+void RedrawGlobalBorder(void)
+{
+ Bitmap *bitmap = getGlobalBorderBitmapFromStatus(game_status);
+
+ RedrawGlobalBorderFromBitmap(bitmap);
+
+ redraw_mask = REDRAW_ALL;
+}
+
+static void RedrawGlobalBorderIfNeeded(void)
+{
+#if ONLY_REDRAW_GLOBAL_BORDER_IF_NEEDED
+ if (game_status == game_status_last)
+ return;
+#endif
+
+ // copy current draw buffer to later copy back areas that have not changed
+ if (game_status_last != GAME_MODE_TITLE)
+ BlitBitmap(backbuffer, bitmap_db_store_1, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+
+#if ONLY_REDRAW_GLOBAL_BORDER_IF_NEEDED
+ if (CheckIfGlobalBorderRedrawIsNeeded())
+#else
+ // determine and store new global border bitmap for current game status
+ global_border_bitmap = getGlobalBorderBitmapFromStatus(game_status);
+#endif
+ {
+ // redraw global screen border (or clear, if defined to be empty)
+ RedrawGlobalBorderFromBitmap(global_border_bitmap);
+
+ if (game_status == GAME_MODE_EDITOR)
+ DrawSpecialEditorDoor();
+
+ // copy previous playfield and door areas, if they are defined on both
+ // previous and current screen and if they still have the same size
+
+ if (real_sx_last != -1 && real_sy_last != -1 &&
+ REAL_SX != -1 && REAL_SY != -1 &&
+ full_sxsize_last == FULL_SXSIZE && full_sysize_last == FULL_SYSIZE)
+ BlitBitmap(bitmap_db_store_1, backbuffer,
+ real_sx_last, real_sy_last, FULL_SXSIZE, FULL_SYSIZE,
+ REAL_SX, REAL_SY);
+
+ if (dx_last != -1 && dy_last != -1 &&
+ DX != -1 && DY != -1 &&
+ dxsize_last == DXSIZE && dysize_last == DYSIZE)
+ BlitBitmap(bitmap_db_store_1, backbuffer,
+ dx_last, dy_last, DXSIZE, DYSIZE, DX, DY);
+
+ if (game_status != GAME_MODE_EDITOR)
+ {
+ if (vx_last != -1 && vy_last != -1 &&
+ VX != -1 && VY != -1 &&
+ vxsize_last == VXSIZE && vysize_last == VYSIZE)
+ BlitBitmap(bitmap_db_store_1, backbuffer,
+ vx_last, vy_last, VXSIZE, VYSIZE, VX, VY);
+ }
+ else
+ {
+ if (ex_last != -1 && ey_last != -1 &&
+ EX != -1 && EY != -1 &&
+ exsize_last == EXSIZE && eysize_last == EYSIZE)
+ BlitBitmap(bitmap_db_store_1, backbuffer,
+ ex_last, ey_last, EXSIZE, EYSIZE, EX, EY);
+ }
+
+ redraw_mask = REDRAW_ALL;
+ }
+
+ game_status_last = game_status;
+
+ global_border_bitmap_last = global_border_bitmap;
+
+ real_sx_last = REAL_SX;
+ real_sy_last = REAL_SY;
+ full_sxsize_last = FULL_SXSIZE;
+ full_sysize_last = FULL_SYSIZE;
+ dx_last = DX;
+ dy_last = DY;
+ dxsize_last = DXSIZE;
+ dysize_last = DYSIZE;
+ vx_last = VX;
+ vy_last = VY;
+ vxsize_last = VXSIZE;
+ vysize_last = VYSIZE;
+ ex_last = EX;
+ ey_last = EY;
+ exsize_last = EXSIZE;
+ eysize_last = EYSIZE;
+}
+
+void ClearField(void)
+{
+ RedrawGlobalBorderIfNeeded();
+
+ // !!! "drawto" might still point to playfield buffer here (see above) !!!
+ // (when entering hall of fame after playing)
+ DrawBackground(REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
+
+ // !!! maybe this should be done before clearing the background !!!
+ if (game_status == GAME_MODE_PLAYING)
+ {
+ ClearRectangle(fieldbuffer, 0, 0, FXSIZE, FYSIZE);
+ SetDrawtoField(DRAW_TO_FIELDBUFFER);
+ }
+ else
+ {
+ SetDrawtoField(DRAW_TO_BACKBUFFER);
+ }
+}
+
+void MarkTileDirty(int x, int y)
+{
+ redraw_mask |= REDRAW_FIELD;
+}
+
+void SetBorderElement(void)
+{
+ int x, y;
+
+ BorderElement = EL_EMPTY;
+
+ // only the R'n'D game engine may use an additional steelwall border
+ if (level.game_engine_type != GAME_ENGINE_TYPE_RND)
+ return;
+
+ for (y = 0; y < lev_fieldy && BorderElement == EL_EMPTY; y++)
+ {
+ for (x = 0; x < lev_fieldx; x++)
+ {
+ if (!IS_INDESTRUCTIBLE(Tile[x][y]))
+ BorderElement = EL_STEELWALL;
+
+ if (y != 0 && y != lev_fieldy - 1 && x != lev_fieldx - 1)
+ x = lev_fieldx - 2;
+ }
+ }
+}
+
+void FloodFillLevelExt(int start_x, int start_y, int fill_element,
+ int max_array_fieldx, int max_array_fieldy,
+ short field[max_array_fieldx][max_array_fieldy],
+ int max_fieldx, int max_fieldy)
+{
+ static struct XY stack_buffer[MAX_LEV_FIELDX * MAX_LEV_FIELDY];
+ struct XY *check = xy_topdown;
+ int old_element = field[start_x][start_y];
+ int stack_pos = 0;
+
+ // do nothing if start field already has the desired content
+ if (old_element == fill_element)
+ return;
+
+ stack_buffer[stack_pos++] = (struct XY){ start_x, start_y };
+
+ while (stack_pos > 0)
+ {
+ struct XY current = stack_buffer[--stack_pos];
+ int i;
+
+ field[current.x][current.y] = fill_element;
+
+ for (i = 0; i < 4; i++)
+ {
+ int x = current.x + check[i].x;
+ int y = current.y + check[i].y;
+
+ // check for stack buffer overflow (should not happen)
+ if (stack_pos >= MAX_LEV_FIELDX * MAX_LEV_FIELDY)
+ Fail("Stack buffer overflow in 'FloodFillLevelExt()'. Please debug.");
+
+ if (IN_FIELD(x, y, max_fieldx, max_fieldy) && field[x][y] == old_element)
+ stack_buffer[stack_pos++] = (struct XY){ x, y };
+ }
+ }
+}
+
+void FloodFillLevel(int from_x, int from_y, int fill_element,
+ short field[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
+ int max_fieldx, int max_fieldy)
+{
+ FloodFillLevelExt(from_x, from_y, fill_element,
+ MAX_LEV_FIELDX, MAX_LEV_FIELDY, field,
+ max_fieldx, max_fieldy);
+}
+
+void SetRandomAnimationValue(int x, int y)
+{
+ gfx.anim_random_frame = GfxRandom[x][y];
+}
+
+int getGraphicAnimationFrame(int graphic, int sync_frame)
+{
+ // animation synchronized with global frame counter, not move position
+ if (graphic_info[graphic].anim_global_sync || sync_frame < 0)
+ sync_frame = FrameCounter;
+
+ return getAnimationFrame(graphic_info[graphic].anim_frames,
+ graphic_info[graphic].anim_delay,
+ graphic_info[graphic].anim_mode,
+ graphic_info[graphic].anim_start_frame,
+ sync_frame);
+}
+
+int getGraphicAnimationFrameXY(int graphic, int lx, int ly)
+{
+ if (graphic_info[graphic].anim_mode & ANIM_TILED)
+ {
+ struct GraphicInfo *g = &graphic_info[graphic];
+ int xsize = MAX(1, g->anim_frames_per_line);
+ int ysize = MAX(1, g->anim_frames / xsize);
+ int xoffset = g->anim_start_frame % xsize;
+ int yoffset = g->anim_start_frame % ysize;
+ // may be needed if screen field is significantly larger than playfield
+ int x = (lx + xoffset + SCR_FIELDX * xsize) % xsize;
+ int y = (ly + yoffset + SCR_FIELDY * ysize) % ysize;
+ int sync_frame = y * xsize + x;
+
+ return sync_frame % g->anim_frames;
+ }
+ else if (graphic_info[graphic].anim_mode & ANIM_RANDOM_STATIC)
+ {
+ struct GraphicInfo *g = &graphic_info[graphic];
+ // may be needed if screen field is significantly larger than playfield
+ int x = (lx + SCR_FIELDX * lev_fieldx) % lev_fieldx;
+ int y = (ly + SCR_FIELDY * lev_fieldy) % lev_fieldy;
+ int sync_frame = GfxRandomStatic[x][y];
+
+ return sync_frame % g->anim_frames;
+ }
+ else
+ {
+ int sync_frame = (IN_LEV_FIELD(lx, ly) ? GfxFrame[lx][ly] : -1);
+
+ return getGraphicAnimationFrame(graphic, sync_frame);
+ }
+}
+
+void getGraphicSourceBitmap(int graphic, int tilesize, Bitmap **bitmap)
+{
+ struct GraphicInfo *g = &graphic_info[graphic];
+ int tilesize_capped = MIN(MAX(1, tilesize), TILESIZE);
+
+ if (tilesize == gfx.standard_tile_size)
+ *bitmap = g->bitmaps[IMG_BITMAP_STANDARD];
+ else if (tilesize == game.tile_size)
+ *bitmap = g->bitmaps[IMG_BITMAP_PTR_GAME];
+ else
+ *bitmap = g->bitmaps[IMG_BITMAP_1x1 - log_2(tilesize_capped)];
+}
+
+void getGraphicSourceXY(int graphic, int frame, int *x, int *y,
+ boolean get_backside)
+{
+ struct GraphicInfo *g = &graphic_info[graphic];
+ int src_x = g->src_x + (get_backside ? g->offset2_x : 0);
+ int src_y = g->src_y + (get_backside ? g->offset2_y : 0);
+
+ if (g->offset_y == 0) // frames are ordered horizontally
+ {
+ int max_width = g->anim_frames_per_line * g->width;
+ int pos = (src_y / g->height) * max_width + src_x + frame * g->offset_x;
+
+ *x = pos % max_width;
+ *y = src_y % g->height + pos / max_width * g->height;
+ }
+ else if (g->offset_x == 0) // frames are ordered vertically
+ {
+ int max_height = g->anim_frames_per_line * g->height;
+ int pos = (src_x / g->width) * max_height + src_y + frame * g->offset_y;
+
+ *x = src_x % g->width + pos / max_height * g->width;
+ *y = pos % max_height;
+ }
+ else // frames are ordered diagonally
+ {
+ *x = src_x + frame * g->offset_x;
+ *y = src_y + frame * g->offset_y;
+ }
+}
+
+void getSizedGraphicSourceExt(int graphic, int frame, int tilesize,
+ Bitmap **bitmap, int *x, int *y,
+ boolean get_backside)
+{
+ struct GraphicInfo *g = &graphic_info[graphic];
+
+ // if no graphics defined at all, use fallback graphics
+ if (g->bitmaps == NULL)
+ *g = graphic_info[IMG_CHAR_EXCLAM];
+
+ // if no in-game graphics defined, always use standard graphic size
+ if (g->bitmaps[IMG_BITMAP_PTR_GAME] == NULL)
+ tilesize = TILESIZE;
+
+ getGraphicSourceBitmap(graphic, tilesize, bitmap);
+ getGraphicSourceXY(graphic, frame, x, y, get_backside);
+
+ *x = *x * tilesize / g->tile_size;
+ *y = *y * tilesize / g->tile_size;
+}
+
+void getSizedGraphicSource(int graphic, int frame, int tilesize,
+ Bitmap **bitmap, int *x, int *y)
+{
+ getSizedGraphicSourceExt(graphic, frame, tilesize, bitmap, x, y, FALSE);
+}
+
+void getFixedGraphicSource(int graphic, int frame,
+ Bitmap **bitmap, int *x, int *y)
+{
+ getSizedGraphicSourceExt(graphic, frame, TILESIZE, bitmap, x, y, FALSE);
+}
+
+void getMiniGraphicSource(int graphic, Bitmap **bitmap, int *x, int *y)
+{
+ getSizedGraphicSource(graphic, 0, MINI_TILESIZE, bitmap, x, y);
+}
+
+void getGlobalAnimGraphicSource(int graphic, int frame,
+ Bitmap **bitmap, int *x, int *y)
+{
+ struct GraphicInfo *g = &graphic_info[graphic];
+
+ // if no graphics defined at all, use fallback graphics
+ if (g->bitmaps == NULL)
+ *g = graphic_info[IMG_CHAR_EXCLAM];
+
+ // use original size graphics, if existing, else use standard size graphics
+ if (g->bitmaps[IMG_BITMAP_PTR_ORIGINAL])
+ *bitmap = g->bitmaps[IMG_BITMAP_PTR_ORIGINAL];
+ else
+ *bitmap = g->bitmaps[IMG_BITMAP_STANDARD];
+
+ getGraphicSourceXY(graphic, frame, x, y, FALSE);
+}
+
+static void getGraphicSourceExt(int graphic, int frame, Bitmap **bitmap,
+ int *x, int *y, boolean get_backside)
+{
+ getSizedGraphicSourceExt(graphic, frame, TILESIZE_VAR, bitmap, x, y,
+ get_backside);
+}
+
+void getGraphicSource(int graphic, int frame, Bitmap **bitmap, int *x, int *y)
+{
+ getGraphicSourceExt(graphic, frame, bitmap, x, y, FALSE);
+}
+
+void DrawGraphic(int x, int y, int graphic, int frame)
+{
+#if DEBUG
+ if (!IN_SCR_FIELD(x, y))
+ {
+ Debug("draw:DrawGraphic", "x = %d, y = %d, graphic = %d", x, y, graphic);
+ Debug("draw:DrawGraphic", "This should never happen!");
+
+ return;
+ }
+#endif
+
+ DrawGraphicExt(drawto_field, FX + x * TILEX_VAR, FY + y * TILEY_VAR, graphic,
+ frame);
+
+ MarkTileDirty(x, y);
+}
+
+void DrawFixedGraphic(int x, int y, int graphic, int frame)
+{
+#if DEBUG
+ if (!IN_SCR_FIELD(x, y))
+ {
+ Debug("draw:DrawFixedGraphic", "x = %d, y = %d, graphic = %d",
+ x, y, graphic);
+ Debug("draw:DrawFixedGraphic", "This should never happen!");
+
+ return;
+ }
+#endif
+
+ DrawFixedGraphicExt(drawto_field, FX + x * TILEX, FY + y * TILEY, graphic,
+ frame);
+ MarkTileDirty(x, y);
+}
+
+void DrawGraphicExt(DrawBuffer *dst_bitmap, int x, int y, int graphic,
+ int frame)
+{
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+
+ getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
+
+ BlitBitmap(src_bitmap, dst_bitmap, src_x, src_y, TILEX_VAR, TILEY_VAR, x, y);
+}
+
+void DrawFixedGraphicExt(DrawBuffer *dst_bitmap, int x, int y, int graphic,
+ int frame)
+{
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+
+ getFixedGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
+ BlitBitmap(src_bitmap, dst_bitmap, src_x, src_y, TILEX, TILEY, x, y);
+}
+
+void DrawGraphicThruMask(int x, int y, int graphic, int frame)
+{
+#if DEBUG
+ if (!IN_SCR_FIELD(x, y))
+ {
+ Debug("draw:DrawGraphicThruMask", "x = %d,y = %d, graphic = %d",
+ x, y, graphic);
+ Debug("draw:DrawGraphicThruMask", "This should never happen!");
+
+ return;
+ }
+#endif
+
+ DrawGraphicThruMaskExt(drawto_field, FX + x * TILEX_VAR, FY + y * TILEY_VAR,
+ graphic, frame);
+
+ MarkTileDirty(x, y);
+}
+
+void DrawFixedGraphicThruMask(int x, int y, int graphic, int frame)
+{
+#if DEBUG
+ if (!IN_SCR_FIELD(x, y))
+ {
+ Debug("draw:DrawFixedGraphicThruMask", "x = %d,y = %d, graphic = %d",
+ x, y, graphic);
+ Debug("draw:DrawFixedGraphicThruMask", "This should never happen!");
+
+ return;
+ }
+#endif
+
+ DrawFixedGraphicThruMaskExt(drawto_field, FX + x * TILEX, FY + y * TILEY,
+ graphic, frame);
+ MarkTileDirty(x, y);
+}
+
+void DrawGraphicThruMaskExt(DrawBuffer *d, int dst_x, int dst_y, int graphic,
+ int frame)
+{
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+
+ getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
+
+ BlitBitmapMasked(src_bitmap, d, src_x, src_y, TILEX_VAR, TILEY_VAR,
+ dst_x, dst_y);
+}
+
+void DrawFixedGraphicThruMaskExt(DrawBuffer *d, int dst_x, int dst_y,
+ int graphic, int frame)
+{
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+
+ getFixedGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
+
+ BlitBitmapMasked(src_bitmap, d, src_x, src_y, TILEX, TILEY,
+ dst_x, dst_y);
+}
+
+void DrawSizedGraphic(int x, int y, int graphic, int frame, int tilesize)
+{
+ DrawSizedGraphicExt(drawto, SX + x * tilesize, SY + y * tilesize, graphic,
+ frame, tilesize);
+ MarkTileDirty(x / tilesize, y / tilesize);
+}
+
+void DrawSizedGraphicThruMask(int x, int y, int graphic, int frame,
+ int tilesize)
+{
+ DrawSizedGraphicThruMaskExt(drawto, SX + x * tilesize, SY + y * tilesize,
+ graphic, frame, tilesize);
+ MarkTileDirty(x / tilesize, y / tilesize);
+}
+
+void DrawSizedGraphicExt(DrawBuffer *d, int x, int y, int graphic, int frame,
+ int tilesize)
+{
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+
+ getSizedGraphicSource(graphic, frame, tilesize, &src_bitmap, &src_x, &src_y);
+ BlitBitmap(src_bitmap, d, src_x, src_y, tilesize, tilesize, x, y);
+}
+
+void DrawSizedGraphicThruMaskExt(DrawBuffer *d, int x, int y, int graphic,
+ int frame, int tilesize)
+{
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+
+ getSizedGraphicSource(graphic, frame, tilesize, &src_bitmap, &src_x, &src_y);
+ BlitBitmapMasked(src_bitmap, d, src_x, src_y, tilesize, tilesize, x, y);
+}
+
+void DrawMiniGraphic(int x, int y, int graphic)
+{
+ DrawMiniGraphicExt(drawto, SX + x * MINI_TILEX,SY + y * MINI_TILEY, graphic);
+ MarkTileDirty(x / 2, y / 2);
+}
+
+void DrawMiniGraphicExt(DrawBuffer *d, int x, int y, int graphic)
+{
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+
+ getMiniGraphicSource(graphic, &src_bitmap, &src_x, &src_y);
+ BlitBitmap(src_bitmap, d, src_x, src_y, MINI_TILEX, MINI_TILEY, x, y);
+}
+
+static void DrawGraphicShiftedNormal(int x, int y, int dx, int dy,
+ int graphic, int frame,
+ int cut_mode, int mask_mode)
+{
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+ int dst_x, dst_y;
+ int width = TILEX, height = TILEY;
+ int cx = 0, cy = 0;
+
+ if (dx || dy) // shifted graphic
+ {
+ if (x < BX1) // object enters playfield from the left
+ {
+ x = BX1;
+ width = dx;
+ cx = TILEX - dx;
+ dx = 0;
+ }
+ else if (x > BX2) // object enters playfield from the right
+ {
+ x = BX2;
+ width = -dx;
+ dx = TILEX + dx;
+ }
+ else if (x == BX1 && dx < 0) // object leaves playfield to the left
+ {
+ width += dx;
+ cx = -dx;
+ dx = 0;
+ }
+ else if (x == BX2 && dx > 0) // object leaves playfield to the right
+ width -= dx;
+ else if (dx) // general horizontal movement
+ MarkTileDirty(x + SIGN(dx), y);
+
+ if (y < BY1) // object enters playfield from the top
+ {
+ if (cut_mode == CUT_BELOW) // object completely above top border
+ return;
+
+ y = BY1;
+ height = dy;
+ cy = TILEY - dy;
+ dy = 0;
+ }
+ else if (y > BY2) // object enters playfield from the bottom
+ {
+ y = BY2;
+ height = -dy;
+ dy = TILEY + dy;
+ }
+ else if (y == BY1 && dy < 0) // object leaves playfield to the top
+ {
+ height += dy;
+ cy = -dy;
+ dy = 0;
+ }
+ else if (dy > 0 && cut_mode == CUT_ABOVE)
+ {
+ if (y == BY2) // object completely above bottom border
+ return;
+
+ height = dy;
+ cy = TILEY - dy;
+ dy = TILEY;
+ MarkTileDirty(x, y + 1);
+ } // object leaves playfield to the bottom
+ else if (dy > 0 && (y == BY2 || cut_mode == CUT_BELOW))
+ height -= dy;
+ else if (dy) // general vertical movement
+ MarkTileDirty(x, y + SIGN(dy));
+ }
+
+#if DEBUG
+ if (!IN_SCR_FIELD(x, y))
+ {
+ Debug("draw:DrawGraphicShiftedNormal", "x = %d, y = %d, graphic = %d",
+ x, y, graphic);
+ Debug("draw:DrawGraphicShiftedNormal", "This should never happen!");
+
+ return;
+ }
+#endif
+
+ width = width * TILESIZE_VAR / TILESIZE;
+ height = height * TILESIZE_VAR / TILESIZE;
+ cx = cx * TILESIZE_VAR / TILESIZE;
+ cy = cy * TILESIZE_VAR / TILESIZE;
+ dx = dx * TILESIZE_VAR / TILESIZE;
+ dy = dy * TILESIZE_VAR / TILESIZE;
+
+ if (width > 0 && height > 0)
+ {
+ getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
+
+ src_x += cx;
+ src_y += cy;
+
+ dst_x = FX + x * TILEX_VAR + dx;
+ dst_y = FY + y * TILEY_VAR + dy;
+
+ if (mask_mode == USE_MASKING)
+ BlitBitmapMasked(src_bitmap, drawto_field, src_x, src_y, width, height,
+ dst_x, dst_y);
+ else
+ BlitBitmap(src_bitmap, drawto_field, src_x, src_y, width, height,
+ dst_x, dst_y);
+
+ MarkTileDirty(x, y);
+ }
+}
+
+static void DrawGraphicShiftedDouble(int x, int y, int dx, int dy,
+ int graphic, int frame,
+ int cut_mode, int mask_mode)
+{
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+ int dst_x, dst_y;
+ int width = TILEX_VAR, height = TILEY_VAR;
+ int x1 = x;
+ int y1 = y;
+ int x2 = x + SIGN(dx);
+ int y2 = y + SIGN(dy);
+
+ // movement with two-tile animations must be sync'ed with movement position,
+ // not with current GfxFrame (which can be higher when using slow movement)
+ int anim_pos = (dx ? ABS(dx) : ABS(dy));
+ int anim_frames = graphic_info[graphic].anim_frames;
+
+ // (we also need anim_delay here for movement animations with less frames)
+ int anim_delay = graphic_info[graphic].anim_delay;
+ int sync_frame = anim_pos * anim_frames * anim_delay / TILESIZE;
+
+ boolean draw_start_tile = (cut_mode != CUT_ABOVE); // only for falling!
+ boolean draw_end_tile = (cut_mode != CUT_BELOW); // only for falling!
+
+ // re-calculate animation frame for two-tile movement animation
+ frame = getGraphicAnimationFrame(graphic, sync_frame);
+
+ // check if movement start graphic inside screen area and should be drawn
+ if (draw_start_tile && IN_SCR_FIELD(x1, y1))
+ {
+ getGraphicSourceExt(graphic, frame, &src_bitmap, &src_x, &src_y, TRUE);
+
+ dst_x = FX + x1 * TILEX_VAR;
+ dst_y = FY + y1 * TILEY_VAR;
+
+ if (mask_mode == USE_MASKING)
+ BlitBitmapMasked(src_bitmap, drawto_field, src_x, src_y, width, height,
+ dst_x, dst_y);
+ else
+ BlitBitmap(src_bitmap, drawto_field, src_x, src_y, width, height,
+ dst_x, dst_y);
+
+ MarkTileDirty(x1, y1);
+ }
+
+ // check if movement end graphic inside screen area and should be drawn
+ if (draw_end_tile && IN_SCR_FIELD(x2, y2))
+ {
+ getGraphicSourceExt(graphic, frame, &src_bitmap, &src_x, &src_y, FALSE);
+
+ dst_x = FX + x2 * TILEX_VAR;
+ dst_y = FY + y2 * TILEY_VAR;
+
+ if (mask_mode == USE_MASKING)
+ BlitBitmapMasked(src_bitmap, drawto_field, src_x, src_y, width, height,
+ dst_x, dst_y);
+ else
+ BlitBitmap(src_bitmap, drawto_field, src_x, src_y, width, height,
+ dst_x, dst_y);
+
+ MarkTileDirty(x2, y2);
+ }
+}
+
+static void DrawGraphicShifted(int x, int y, int dx, int dy,
+ int graphic, int frame,
+ int cut_mode, int mask_mode)
+{
+ if (graphic < 0)
+ {
+ DrawGraphic(x, y, graphic, frame);
+
+ return;
+ }
+
+ if (graphic_info[graphic].double_movement) // EM style movement images
+ DrawGraphicShiftedDouble(x, y, dx, dy, graphic, frame, cut_mode,mask_mode);
+ else
+ DrawGraphicShiftedNormal(x, y, dx, dy, graphic, frame, cut_mode,mask_mode);
+}
+
+static void DrawGraphicShiftedThruMask(int x, int y, int dx, int dy,
+ int graphic, int frame, int cut_mode)
+{
+ DrawGraphicShifted(x, y, dx, dy, graphic, frame, cut_mode, USE_MASKING);
+}
+
+void DrawScreenElementExt(int x, int y, int dx, int dy, int element,
+ int cut_mode, int mask_mode)
+{
+ int lx = LEVELX(x), ly = LEVELY(y);
+ int graphic;
+ int frame;
+
+ if (IN_LEV_FIELD(lx, ly))
+ {
+ if (element == EL_EMPTY)
+ element = GfxElementEmpty[lx][ly];
+
+ SetRandomAnimationValue(lx, ly);
+
+ graphic = el_act_dir2img(element, GfxAction[lx][ly], GfxDir[lx][ly]);
+ frame = getGraphicAnimationFrameXY(graphic, lx, ly);
+
+ // do not use double (EM style) movement graphic when not moving
+ if (graphic_info[graphic].double_movement && !dx && !dy)
+ {
+ graphic = el_act_dir2img(element, ACTION_DEFAULT, GfxDir[lx][ly]);
+ frame = getGraphicAnimationFrameXY(graphic, lx, ly);
+ }
+
+ if (game.use_masked_elements && (dx || dy))
+ mask_mode = USE_MASKING;
+ }
+ else // border element
+ {
+ graphic = el2img(element);
+ frame = getGraphicAnimationFrameXY(graphic, lx, ly);
+ }
+
+ if (element == EL_EXPANDABLE_WALL)
+ {
+ boolean left_stopped = FALSE, right_stopped = FALSE;
+
+ if (!IN_LEV_FIELD(lx - 1, ly) || IS_WALL(Tile[lx - 1][ly]))
+ left_stopped = TRUE;
+ if (!IN_LEV_FIELD(lx + 1, ly) || IS_WALL(Tile[lx + 1][ly]))
+ right_stopped = TRUE;
+
+ if (left_stopped && right_stopped)
+ graphic = IMG_WALL;
+ else if (left_stopped)
+ {
+ graphic = IMG_EXPANDABLE_WALL_GROWING_RIGHT;
+ frame = graphic_info[graphic].anim_frames - 1;
+ }
+ else if (right_stopped)
+ {
+ graphic = IMG_EXPANDABLE_WALL_GROWING_LEFT;
+ frame = graphic_info[graphic].anim_frames - 1;
+ }
+ }
+
+ if (dx || dy)
+ DrawGraphicShifted(x, y, dx, dy, graphic, frame, cut_mode, mask_mode);
+ else if (mask_mode == USE_MASKING)
+ DrawGraphicThruMask(x, y, graphic, frame);
+ else
+ DrawGraphic(x, y, graphic, frame);
+}
+
+void DrawLevelElementExt(int x, int y, int dx, int dy, int element,
+ int cut_mode, int mask_mode)
+{
+ if (IN_LEV_FIELD(x, y) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+ DrawScreenElementExt(SCREENX(x), SCREENY(y), dx, dy, element,
+ cut_mode, mask_mode);
+}
+
+void DrawScreenElementShifted(int x, int y, int dx, int dy, int element,
+ int cut_mode)
+{
+ DrawScreenElementExt(x, y, dx, dy, element, cut_mode, NO_MASKING);
+}
+
+void DrawLevelElementShifted(int x, int y, int dx, int dy, int element,
+ int cut_mode)
+{
+ DrawLevelElementExt(x, y, dx, dy, element, cut_mode, NO_MASKING);
+}
+
+void DrawLevelElementThruMask(int x, int y, int element)
+{
+ DrawLevelElementExt(x, y, 0, 0, element, NO_CUTTING, USE_MASKING);
+}
+
+void DrawLevelFieldThruMask(int x, int y)
+{
+ DrawLevelElementExt(x, y, 0, 0, Tile[x][y], NO_CUTTING, USE_MASKING);
+}
+
+// !!! implementation of quicksand is totally broken !!!
+#define IS_CRUMBLED_TILE(x, y, e) \
+ (GFX_CRUMBLED(e) && (!IN_LEV_FIELD(x, y) || \
+ !IS_MOVING(x, y) || \
+ (e) == EL_QUICKSAND_EMPTYING || \
+ (e) == EL_QUICKSAND_FAST_EMPTYING))
+
+static void DrawLevelFieldCrumbledInnerCorners(int x, int y, int dx, int dy,
+ int graphic)
+{
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+ int width, height, cx, cy;
+ int sx = SCREENX(x), sy = SCREENY(y);
+ int crumbled_border_size = graphic_info[graphic].border_size;
+ int crumbled_tile_size = graphic_info[graphic].tile_size;
+ int crumbled_border_size_var =
+ crumbled_border_size * TILESIZE_VAR / crumbled_tile_size;
+ int i;
+
+ getGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
+
+ for (i = 1; i < 4; i++)
+ {
+ int dxx = (i & 1 ? dx : 0);
+ int dyy = (i & 2 ? dy : 0);
+ int xx = x + dxx;
+ int yy = y + dyy;
+ int element = (IN_LEV_FIELD(xx, yy) ? TILE_GFX_ELEMENT(xx, yy) :
+ BorderElement);
+
+ // check if neighbour field is of same crumble type
+ boolean same = (IS_CRUMBLED_TILE(xx, yy, element) &&
+ graphic_info[graphic].class ==
+ graphic_info[el_act2crm(element, ACTION_DEFAULT)].class);
+
+ // return if check prevents inner corner
+ if (same == (dxx == dx && dyy == dy))
+ return;
+ }
+
+ // if we reach this point, we have an inner corner
+
+ getGraphicSource(graphic, 1, &src_bitmap, &src_x, &src_y);
+
+ width = crumbled_border_size_var;
+ height = crumbled_border_size_var;
+ cx = (dx > 0 ? TILESIZE_VAR - width : 0);
+ cy = (dy > 0 ? TILESIZE_VAR - height : 0);
+
+ if (game.use_masked_elements)
+ {
+ int graphic0 = el2img(EL_EMPTY);
+ int frame0 = getGraphicAnimationFrameXY(graphic0, x, y);
+ Bitmap *src_bitmap0;
+ int src_x0, src_y0;
+
+ getGraphicSource(graphic0, frame0, &src_bitmap0, &src_x0, &src_y0);
+
+ BlitBitmap(src_bitmap0, drawto_field, src_x0 + cx, src_y0 + cy,
+ width, height,
+ FX + sx * TILEX_VAR + cx, FY + sy * TILEY_VAR + cy);
+
+ BlitBitmapMasked(src_bitmap, drawto_field, src_x + cx, src_y + cy,
+ width, height,
+ FX + sx * TILEX_VAR + cx, FY + sy * TILEY_VAR + cy);
+ }
+ else
+ BlitBitmap(src_bitmap, drawto_field, src_x + cx, src_y + cy,
+ width, height,
+ FX + sx * TILEX_VAR + cx, FY + sy * TILEY_VAR + cy);
+}
+
+static void DrawLevelFieldCrumbledBorders(int x, int y, int graphic, int frame,
+ int dir)
+{
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+ int width, height, bx, by, cx, cy;
+ int sx = SCREENX(x), sy = SCREENY(y);
+ int crumbled_border_size = graphic_info[graphic].border_size;
+ int crumbled_tile_size = graphic_info[graphic].tile_size;
+ int crumbled_border_size_var =
+ crumbled_border_size * TILESIZE_VAR / crumbled_tile_size;
+ int crumbled_border_pos_var = TILESIZE_VAR - crumbled_border_size_var;
+ int i;
+
+ getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
+
+ // only needed when using masked elements
+ int graphic0 = el2img(EL_EMPTY);
+ int frame0 = getGraphicAnimationFrameXY(graphic0, x, y);
+ Bitmap *src_bitmap0;
+ int src_x0, src_y0;
+
+ if (game.use_masked_elements)
+ getGraphicSource(graphic0, frame0, &src_bitmap0, &src_x0, &src_y0);
+
+ // draw simple, sloppy, non-corner-accurate crumbled border
+
+ width = (dir == 1 || dir == 2 ? crumbled_border_size_var : TILESIZE_VAR);
+ height = (dir == 0 || dir == 3 ? crumbled_border_size_var : TILESIZE_VAR);
+ cx = (dir == 2 ? crumbled_border_pos_var : 0);
+ cy = (dir == 3 ? crumbled_border_pos_var : 0);
+
+ if (game.use_masked_elements)
+ {
+ BlitBitmap(src_bitmap0, drawto_field, src_x0 + cx, src_y0 + cy,
+ width, height,
+ FX + sx * TILEX_VAR + cx,
+ FY + sy * TILEY_VAR + cy);
+
+ BlitBitmapMasked(src_bitmap, drawto_field, src_x + cx, src_y + cy,
+ width, height,
+ FX + sx * TILEX_VAR + cx,
+ FY + sy * TILEY_VAR + cy);
+ }
+ else
+ BlitBitmap(src_bitmap, drawto_field, src_x + cx, src_y + cy,
+ width, height,
+ FX + sx * TILEX_VAR + cx,
+ FY + sy * TILEY_VAR + cy);
+
+ // (remaining middle border part must be at least as big as corner part)
+ if (!(graphic_info[graphic].style & STYLE_ACCURATE_BORDERS) ||
+ crumbled_border_size_var >= TILESIZE_VAR / 3)
+ return;
+
+ // correct corners of crumbled border, if needed
+
+ for (i = -1; i <= 1; i += 2)
+ {
+ int xx = x + (dir == 0 || dir == 3 ? i : 0);
+ int yy = y + (dir == 1 || dir == 2 ? i : 0);
+ int element = (IN_LEV_FIELD(xx, yy) ? TILE_GFX_ELEMENT(xx, yy) :
+ BorderElement);
+
+ // check if neighbour field is of same crumble type
+ if (IS_CRUMBLED_TILE(xx, yy, element) &&
+ graphic_info[graphic].class ==
+ graphic_info[el_act2crm(element, ACTION_DEFAULT)].class)
+ {
+ // no crumbled corner, but continued crumbled border
+
+ int c1 = (dir == 2 || dir == 3 ? crumbled_border_pos_var : 0);
+ int c2 = (i == 1 ? crumbled_border_pos_var : 0);
+ int b1 = (i == 1 ? crumbled_border_size_var :
+ TILESIZE_VAR - 2 * crumbled_border_size_var);
+
+ width = crumbled_border_size_var;
+ height = crumbled_border_size_var;
+
+ if (dir == 1 || dir == 2)
+ {
+ cx = c1;
+ cy = c2;
+ bx = cx;
+ by = b1;
+ }
+ else
+ {
+ cx = c2;
+ cy = c1;
+ bx = b1;
+ by = cy;
+ }
+
+ if (game.use_masked_elements)
+ {
+ BlitBitmap(src_bitmap0, drawto_field, src_x0 + bx, src_y0 + by,
+ width, height,
+ FX + sx * TILEX_VAR + cx,
+ FY + sy * TILEY_VAR + cy);
+
+ BlitBitmapMasked(src_bitmap, drawto_field, src_x + bx, src_y + by,
+ width, height,
+ FX + sx * TILEX_VAR + cx,
+ FY + sy * TILEY_VAR + cy);
+ }
+ else
+ BlitBitmap(src_bitmap, drawto_field, src_x + bx, src_y + by,
+ width, height,
+ FX + sx * TILEX_VAR + cx,
+ FY + sy * TILEY_VAR + cy);
+ }
+ }
+}
+
+static void DrawLevelFieldCrumbledExt(int x, int y, int graphic, int frame)
+{
+ int sx = SCREENX(x), sy = SCREENY(y);
+ int element;
+ int i;
+ struct XY *xy = xy_topdown;
+
+ if (!IN_LEV_FIELD(x, y))
+ return;
+
+ element = TILE_GFX_ELEMENT(x, y);
+
+ if (IS_CRUMBLED_TILE(x, y, element)) // crumble field itself
+ {
+ if (!IN_SCR_FIELD(sx, sy))
+ return;
+
+ // crumble field borders towards direct neighbour fields
+ for (i = 0; i < 4; i++)
+ {
+ int xx = x + xy[i].x;
+ int yy = y + xy[i].y;
+
+ element = (IN_LEV_FIELD(xx, yy) ? TILE_GFX_ELEMENT(xx, yy) :
+ BorderElement);
+
+ // check if neighbour field is of same crumble type
+ if (IS_CRUMBLED_TILE(xx, yy, element) &&
+ graphic_info[graphic].class ==
+ graphic_info[el_act2crm(element, ACTION_DEFAULT)].class)
+ continue;
+
+ DrawLevelFieldCrumbledBorders(x, y, graphic, frame, i);
+ }
+
+ // crumble inner field corners towards corner neighbour fields
+ if ((graphic_info[graphic].style & STYLE_INNER_CORNERS) &&
+ graphic_info[graphic].anim_frames == 2)
+ {
+ for (i = 0; i < 4; i++)
+ {
+ int dx = (i & 1 ? +1 : -1);
+ int dy = (i & 2 ? +1 : -1);
+
+ DrawLevelFieldCrumbledInnerCorners(x, y, dx, dy, graphic);
+ }
+ }
+
+ MarkTileDirty(sx, sy);
+ }
+ else // center field is not crumbled -- crumble neighbour fields
+ {
+ // crumble field borders of direct neighbour fields
+ for (i = 0; i < 4; i++)
+ {
+ int xx = x + xy[i].x;
+ int yy = y + xy[i].y;
+ int sxx = sx + xy[i].x;
+ int syy = sy + xy[i].y;
+
+ if (!IN_LEV_FIELD(xx, yy) ||
+ !IN_SCR_FIELD(sxx, syy))
+ continue;
+
+ // do not crumble fields that are being digged or snapped
+ if (Tile[xx][yy] == EL_EMPTY ||
+ Tile[xx][yy] == EL_ELEMENT_SNAPPING)
+ continue;
+
+ element = TILE_GFX_ELEMENT(xx, yy);
+
+ if (!IS_CRUMBLED_TILE(xx, yy, element))
+ continue;
+
+ graphic = el_act2crm(element, ACTION_DEFAULT);
+
+ DrawLevelFieldCrumbledBorders(xx, yy, graphic, 0, 3 - i);
+
+ MarkTileDirty(sxx, syy);
+ }
+
+ // crumble inner field corners of corner neighbour fields
+ for (i = 0; i < 4; i++)
+ {
+ int dx = (i & 1 ? +1 : -1);
+ int dy = (i & 2 ? +1 : -1);
+ int xx = x + dx;
+ int yy = y + dy;
+ int sxx = sx + dx;
+ int syy = sy + dy;
+
+ if (!IN_LEV_FIELD(xx, yy) ||
+ !IN_SCR_FIELD(sxx, syy))
+ continue;
+
+ if (Tile[xx][yy] == EL_ELEMENT_SNAPPING)
+ continue;
+
+ element = TILE_GFX_ELEMENT(xx, yy);
+
+ if (!IS_CRUMBLED_TILE(xx, yy, element))
+ continue;
+
+ graphic = el_act2crm(element, ACTION_DEFAULT);
+
+ if ((graphic_info[graphic].style & STYLE_INNER_CORNERS) &&
+ graphic_info[graphic].anim_frames == 2)
+ DrawLevelFieldCrumbledInnerCorners(xx, yy, -dx, -dy, graphic);
+
+ MarkTileDirty(sxx, syy);
+ }
+ }
+}
+
+void DrawLevelFieldCrumbled(int x, int y)
+{
+ int graphic;
+
+ if (!IN_LEV_FIELD(x, y))
+ return;
+
+ if (Tile[x][y] == EL_ELEMENT_SNAPPING &&
+ GfxElement[x][y] != EL_UNDEFINED &&
+ GFX_CRUMBLED(GfxElement[x][y]))
+ {
+ DrawLevelFieldCrumbledDigging(x, y, GfxDir[x][y], GfxFrame[x][y]);
+
+ return;
+ }
+
+ graphic = el_act2crm(TILE_GFX_ELEMENT(x, y), ACTION_DEFAULT);
+
+ DrawLevelFieldCrumbledExt(x, y, graphic, 0);
+}
+
+void DrawLevelFieldCrumbledDigging(int x, int y, int direction,
+ int step_frame)
+{
+ int graphic1 = el_act_dir2img(GfxElement[x][y], ACTION_DIGGING, direction);
+ int graphic2 = el_act_dir2crm(GfxElement[x][y], ACTION_DIGGING, direction);
+ int frame1 = getGraphicAnimationFrame(graphic1, step_frame);
+ int frame2 = getGraphicAnimationFrame(graphic2, step_frame);
+ int sx = SCREENX(x), sy = SCREENY(y);
+
+ DrawScreenGraphic(sx, sy, graphic1, frame1);
+ DrawLevelFieldCrumbledExt(x, y, graphic2, frame2);
+}
+
+void DrawLevelFieldCrumbledNeighbours(int x, int y)
+{
+ int sx = SCREENX(x), sy = SCREENY(y);
+ struct XY *xy = xy_topdown;
+ int i;
+
+ // crumble direct neighbour fields (required for field borders)
+ for (i = 0; i < 4; i++)
+ {
+ int xx = x + xy[i].x;
+ int yy = y + xy[i].y;
+ int sxx = sx + xy[i].x;
+ int syy = sy + xy[i].y;
+
+ if (!IN_LEV_FIELD(xx, yy) ||
+ !IN_SCR_FIELD(sxx, syy) ||
+ !GFX_CRUMBLED(Tile[xx][yy]) ||
+ IS_MOVING(xx, yy))
+ continue;
+
+ DrawLevelField(xx, yy);
+ }
+
+ // crumble corner neighbour fields (required for inner field corners)
+ for (i = 0; i < 4; i++)
+ {
+ int dx = (i & 1 ? +1 : -1);
+ int dy = (i & 2 ? +1 : -1);
+ int xx = x + dx;
+ int yy = y + dy;
+ int sxx = sx + dx;
+ int syy = sy + dy;
+
+ if (!IN_LEV_FIELD(xx, yy) ||
+ !IN_SCR_FIELD(sxx, syy) ||
+ !GFX_CRUMBLED(Tile[xx][yy]) ||
+ IS_MOVING(xx, yy))
+ continue;
+
+ int element = TILE_GFX_ELEMENT(xx, yy);
+ int graphic = el_act2crm(element, ACTION_DEFAULT);
+
+ if ((graphic_info[graphic].style & STYLE_INNER_CORNERS) &&
+ graphic_info[graphic].anim_frames == 2)
+ DrawLevelField(xx, yy);
+ }
+}
+
+static int getBorderElement(int x, int y)
+{
+ int border[7][2] =
+ {
+ { EL_STEELWALL_TOPLEFT, EL_INVISIBLE_STEELWALL_TOPLEFT },
+ { EL_STEELWALL_TOPRIGHT, EL_INVISIBLE_STEELWALL_TOPRIGHT },
+ { EL_STEELWALL_BOTTOMLEFT, EL_INVISIBLE_STEELWALL_BOTTOMLEFT },
+ { EL_STEELWALL_BOTTOMRIGHT, EL_INVISIBLE_STEELWALL_BOTTOMRIGHT },
+ { EL_STEELWALL_VERTICAL, EL_INVISIBLE_STEELWALL_VERTICAL },
+ { EL_STEELWALL_HORIZONTAL, EL_INVISIBLE_STEELWALL_HORIZONTAL },
+ { EL_STEELWALL, EL_INVISIBLE_STEELWALL }
+ };
+ int steel_type = (BorderElement == EL_STEELWALL ? 0 : 1);
+ int steel_position = (x == -1 && y == -1 ? 0 :
+ x == lev_fieldx && y == -1 ? 1 :
+ x == -1 && y == lev_fieldy ? 2 :
+ x == lev_fieldx && y == lev_fieldy ? 3 :
+ x == -1 || x == lev_fieldx ? 4 :
+ y == -1 || y == lev_fieldy ? 5 : 6);
+
+ return border[steel_position][steel_type];
+}
+
+void DrawScreenGraphic(int x, int y, int graphic, int frame)
+{
+ if (game.use_masked_elements)
+ {
+ if (graphic != el2img(EL_EMPTY))
+ DrawScreenElementExt(x, y, 0, 0, EL_EMPTY, NO_CUTTING, NO_MASKING);
+
+ DrawGraphicThruMask(x, y, graphic, frame);
+ }
+ else
+ {
+ DrawGraphic(x, y, graphic, frame);
+ }
+}
+
+void DrawLevelGraphic(int x, int y, int graphic, int frame)
+{
+ DrawScreenGraphic(SCREENX(x), SCREENY(y), graphic, frame);
+}
+
+void DrawScreenElement(int x, int y, int element)
+{
+ int mask_mode = NO_MASKING;
+
+ if (game.use_masked_elements)
+ {
+ int lx = LEVELX(x), ly = LEVELY(y);
+
+ if (IN_LEV_FIELD(lx, ly) && element != EL_EMPTY)
+ {
+ DrawScreenElementExt(x, y, 0, 0, EL_EMPTY, NO_CUTTING, NO_MASKING);
+
+ mask_mode = USE_MASKING;
+ }
+ }
+
+ DrawScreenElementExt(x, y, 0, 0, element, NO_CUTTING, mask_mode);
+ DrawLevelFieldCrumbled(LEVELX(x), LEVELY(y));
+}
+
+void DrawLevelElement(int x, int y, int element)
+{
+ if (IN_LEV_FIELD(x, y) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+ DrawScreenElement(SCREENX(x), SCREENY(y), element);
+}
+
+void DrawScreenField(int x, int y)
+{
+ int lx = LEVELX(x), ly = LEVELY(y);
+ int element, content;
+
+ if (!IN_LEV_FIELD(lx, ly))
+ {
+ if (lx < -1 || lx > lev_fieldx || ly < -1 || ly > lev_fieldy)
+ element = EL_EMPTY;
+ else
+ element = getBorderElement(lx, ly);
+
+ DrawScreenElement(x, y, element);
+
+ return;
+ }
+
+ element = Tile[lx][ly];
+ content = Store[lx][ly];
+
+ if (IS_MOVING(lx, ly))
+ {
+ int horiz_move = (MovDir[lx][ly] == MV_LEFT || MovDir[lx][ly] == MV_RIGHT);
+ boolean cut_mode = NO_CUTTING;
+
+ if (element == EL_QUICKSAND_EMPTYING ||
+ element == EL_QUICKSAND_FAST_EMPTYING ||
+ element == EL_MAGIC_WALL_EMPTYING ||
+ element == EL_BD_MAGIC_WALL_EMPTYING ||
+ element == EL_DC_MAGIC_WALL_EMPTYING ||
+ element == EL_AMOEBA_DROPPING)
+ cut_mode = CUT_ABOVE;
+ else if (element == EL_QUICKSAND_FILLING ||
+ element == EL_QUICKSAND_FAST_FILLING ||
+ element == EL_MAGIC_WALL_FILLING ||
+ element == EL_BD_MAGIC_WALL_FILLING ||
+ element == EL_DC_MAGIC_WALL_FILLING)
+ cut_mode = CUT_BELOW;
+
+ if (cut_mode == CUT_ABOVE)
+ DrawScreenElement(x, y, element);
+ else
+ DrawScreenElement(x, y, EL_EMPTY);
+
+ if (cut_mode != CUT_BELOW && game.use_masked_elements)
+ {
+ int dir = MovDir[lx][ly];
+ int newx = x + (dir == MV_LEFT ? -1 : dir == MV_RIGHT ? +1 : 0);
+ int newy = y + (dir == MV_UP ? -1 : dir == MV_DOWN ? +1 : 0);
+
+ if (IN_SCR_FIELD(newx, newy))
+ DrawScreenElement(newx, newy, EL_EMPTY);
+ }
+
+ if (horiz_move)
+ DrawScreenElementShifted(x, y, MovPos[lx][ly], 0, element, NO_CUTTING);
+ else if (cut_mode == NO_CUTTING)
+ DrawScreenElementShifted(x, y, 0, MovPos[lx][ly], element, cut_mode);
+ else
+ {
+ DrawScreenElementShifted(x, y, 0, MovPos[lx][ly], content, cut_mode);
+
+ if (cut_mode == CUT_BELOW &&
+ IN_LEV_FIELD(lx, ly + 1) && IN_SCR_FIELD(x, y + 1))
+ DrawLevelElement(lx, ly + 1, element);
+ }
+
+ if (content == EL_ACID)
+ {
+ int dir = MovDir[lx][ly];
+ int newlx = lx + (dir == MV_LEFT ? -1 : dir == MV_RIGHT ? +1 : 0);
+ int newly = ly + (dir == MV_UP ? -1 : dir == MV_DOWN ? +1 : 0);
+
+ DrawLevelElementThruMask(newlx, newly, EL_ACID);
+
+ // prevent target field from being drawn again (but without masking)
+ // (this would happen if target field is scanned after moving element)
+ Stop[newlx][newly] = TRUE;
+ }
+ }
+ else if (IS_BLOCKED(lx, ly))
+ {
+ int oldx, oldy;
+ int sx, sy;
+ int horiz_move;
+ boolean cut_mode = NO_CUTTING;
+ int element_old, content_old;
+
+ Blocked2Moving(lx, ly, &oldx, &oldy);
+ sx = SCREENX(oldx);
+ sy = SCREENY(oldy);
+ horiz_move = (MovDir[oldx][oldy] == MV_LEFT ||
+ MovDir[oldx][oldy] == MV_RIGHT);
+
+ element_old = Tile[oldx][oldy];
+ content_old = Store[oldx][oldy];
+
+ if (element_old == EL_QUICKSAND_EMPTYING ||
+ element_old == EL_QUICKSAND_FAST_EMPTYING ||
+ element_old == EL_MAGIC_WALL_EMPTYING ||
+ element_old == EL_BD_MAGIC_WALL_EMPTYING ||
+ element_old == EL_DC_MAGIC_WALL_EMPTYING ||
+ element_old == EL_AMOEBA_DROPPING)
+ cut_mode = CUT_ABOVE;
+
+ DrawScreenElement(x, y, EL_EMPTY);
+
+ if (horiz_move)
+ DrawScreenElementShifted(sx, sy, MovPos[oldx][oldy], 0, element_old,
+ NO_CUTTING);
+ else if (cut_mode == NO_CUTTING)
+ DrawScreenElementShifted(sx, sy, 0, MovPos[oldx][oldy], element_old,
+ cut_mode);
+ else
+ DrawScreenElementShifted(sx, sy, 0, MovPos[oldx][oldy], content_old,
+ cut_mode);
+ }
+ else if (IS_DRAWABLE(element))
+ DrawScreenElement(x, y, element);
+ else
+ DrawScreenElement(x, y, EL_EMPTY);
+}
+
+void DrawLevelField(int x, int y)
+{
+ if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+ DrawScreenField(SCREENX(x), SCREENY(y));
+ else if (IS_MOVING(x, y))
+ {
+ int newx,newy;
+
+ Moving2Blocked(x, y, &newx, &newy);
+ if (IN_SCR_FIELD(SCREENX(newx), SCREENY(newy)))
+ DrawScreenField(SCREENX(newx), SCREENY(newy));
+ }
+ else if (IS_BLOCKED(x, y))
+ {
+ int oldx, oldy;
+
+ Blocked2Moving(x, y, &oldx, &oldy);
+ if (IN_SCR_FIELD(SCREENX(oldx), SCREENY(oldy)))
+ DrawScreenField(SCREENX(oldx), SCREENY(oldy));
+ }
+}
+
+static void DrawSizedWallExt_MM(int dst_x, int dst_y, int element, int tilesize,
+ int (*el2img_function)(int), boolean masked,
+ int element_bits_draw)
+{
+ int element_base = map_mm_wall_element(element);
+ int element_bits = (IS_DF_WALL(element) ?
+ element - EL_DF_WALL_START :
+ IS_MM_WALL(element) ?
+ element - EL_MM_WALL_START : EL_EMPTY) & 0x000f;
+ int graphic = el2img_function(element_base);
+ int tilesize_draw = tilesize / 2;
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+ int i;
+
+ getSizedGraphicSource(graphic, 0, tilesize_draw, &src_bitmap, &src_x, &src_y);
+
+ for (i = 0; i < 4; i++)
+ {
+ int dst_draw_x = dst_x + (i % 2) * tilesize_draw;
+ int dst_draw_y = dst_y + (i / 2) * tilesize_draw;
+
+ if (!(element_bits_draw & (1 << i)))
+ continue;
+
+ if (element_bits & (1 << i))
+ {
+ if (masked)
+ BlitBitmapMasked(src_bitmap, drawto, src_x, src_y,
+ tilesize_draw, tilesize_draw, dst_draw_x, dst_draw_y);
+ else
+ BlitBitmap(src_bitmap, drawto, src_x, src_y,
+ tilesize_draw, tilesize_draw, dst_draw_x, dst_draw_y);
+ }
+ else
+ {
+ if (!masked)
+ ClearRectangle(drawto, dst_draw_x, dst_draw_y,
+ tilesize_draw, tilesize_draw);
+ }
+ }
+}
+
+void DrawSizedWallParts_MM(int x, int y, int element, int tilesize,
+ boolean masked, int element_bits_draw)
+{
+ DrawSizedWallExt_MM(SX + x * tilesize, SY + y * tilesize,
+ element, tilesize, el2edimg, masked, element_bits_draw);
+}
+
+static void DrawSizedWall_MM(int dst_x, int dst_y, int element, int tilesize,
+ int (*el2img_function)(int))
+{
+ DrawSizedWallExt_MM(dst_x, dst_y, element, tilesize, el2img_function, FALSE,
+ 0x000f);
+}
+
+static void DrawSizedElementExt(int x, int y, int element, int tilesize,
+ boolean masked)
+{
+ if (IS_MM_WALL(element))
+ {
+ DrawSizedWallExt_MM(SX + x * tilesize, SY + y * tilesize,
+ element, tilesize, el2edimg, masked, 0x000f);
+ }
+ else
+ {
+ int graphic = el2edimg(element);
+
+ if (masked)
+ DrawSizedGraphicThruMask(x, y, graphic, 0, tilesize);
+ else
+ DrawSizedGraphic(x, y, graphic, 0, tilesize);
+ }
+}
+
+void DrawSizedElement(int x, int y, int element, int tilesize)
+{
+ DrawSizedElementExt(x, y, element, tilesize, FALSE);
+}
+
+void DrawSizedElementThruMask(int x, int y, int element, int tilesize)
+{
+ DrawSizedElementExt(x, y, element, tilesize, TRUE);
+}
+
+void DrawMiniElement(int x, int y, int element)
+{
+ int graphic;
+
+ graphic = el2edimg(element);
+ DrawMiniGraphic(x, y, graphic);
+}
+
+void DrawSizedElementOrWall(int sx, int sy, int scroll_x, int scroll_y,
+ int tilesize)
+{
+ int x = sx + scroll_x, y = sy + scroll_y;
+
+ if (x < -1 || x > lev_fieldx || y < -1 || y > lev_fieldy)
+ DrawSizedElement(sx, sy, EL_EMPTY, tilesize);
+ else if (x > -1 && x < lev_fieldx && y > -1 && y < lev_fieldy)
+ DrawSizedElement(sx, sy, Tile[x][y], tilesize);
+ else
+ DrawSizedGraphic(sx, sy, el2edimg(getBorderElement(x, y)), 0, tilesize);
+}
+
+void DrawMiniElementOrWall(int sx, int sy, int scroll_x, int scroll_y)
+{
+ int x = sx + scroll_x, y = sy + scroll_y;
+
+ if (x < -1 || x > lev_fieldx || y < -1 || y > lev_fieldy)
+ DrawMiniElement(sx, sy, EL_EMPTY);
+ else if (x > -1 && x < lev_fieldx && y > -1 && y < lev_fieldy)
+ DrawMiniElement(sx, sy, Tile[x][y]);
+ else
+ DrawMiniGraphic(sx, sy, el2edimg(getBorderElement(x, y)));
+}
+
+static void DrawEnvelopeBackgroundTiles(int graphic, int startx, int starty,
+ int x, int y, int xsize, int ysize,
+ int tile_width, int tile_height)
+{
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+ int dst_x = startx + x * tile_width;
+ int dst_y = starty + y * tile_height;
+ int width = graphic_info[graphic].width;
+ int height = graphic_info[graphic].height;
+ int inner_width_raw = MAX(width - 2 * tile_width, tile_width);
+ int inner_height_raw = MAX(height - 2 * tile_height, tile_height);
+ int inner_width = inner_width_raw - (inner_width_raw % tile_width);
+ int inner_height = inner_height_raw - (inner_height_raw % tile_height);
+ int inner_sx = (width >= 3 * tile_width ? tile_width : 0);
+ int inner_sy = (height >= 3 * tile_height ? tile_height : 0);
+ boolean draw_masked = graphic_info[graphic].draw_masked;
+
+ getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
+
+ if (src_bitmap == NULL || width < tile_width || height < tile_height)
+ {
+ ClearRectangle(drawto, dst_x, dst_y, tile_width, tile_height);
+ return;
+ }
+
+ src_x += (x == 0 ? 0 : x == xsize - 1 ? width - tile_width :
+ inner_sx + (x - 1) * tile_width % inner_width);
+ src_y += (y == 0 ? 0 : y == ysize - 1 ? height - tile_height :
+ inner_sy + (y - 1) * tile_height % inner_height);
+
+ if (draw_masked)
+ BlitBitmapMasked(src_bitmap, drawto, src_x, src_y, tile_width, tile_height,
+ dst_x, dst_y);
+ else
+ BlitBitmap(src_bitmap, drawto, src_x, src_y, tile_width, tile_height,
+ dst_x, dst_y);
+}
+
+static void DrawEnvelopeBackground(int graphic, int startx, int starty,
+ int x, int y, int xsize, int ysize,
+ int font_nr)
+{
+ int font_width = getFontWidth(font_nr);
+ int font_height = getFontHeight(font_nr);
+
+ DrawEnvelopeBackgroundTiles(graphic, startx, starty, x, y, xsize, ysize,
+ font_width, font_height);
+}
+
+static void AnimateEnvelope(int envelope_nr, int anim_mode, int action)
+{
+ int graphic = IMG_BACKGROUND_ENVELOPE_1 + envelope_nr;
+ Bitmap *src_bitmap = graphic_info[graphic].bitmap;
+ int mask_mode = (src_bitmap != NULL ? BLIT_MASKED : BLIT_ON_BACKGROUND);
+ boolean ffwd_delay = (tape.playing && tape.fast_forward);
+ boolean no_delay = (tape.warp_forward);
+ int frame_delay_value = (ffwd_delay ? FfwdFrameDelay : GameFrameDelay);
+ int anim_delay_value = MAX(1, (no_delay ? 0 : frame_delay_value) / 2);
+ DelayCounter anim_delay = { anim_delay_value };
+ int font_nr = FONT_ENVELOPE_1 + envelope_nr;
+ int font_width = getFontWidth(font_nr);
+ int font_height = getFontHeight(font_nr);
+ int max_xsize = level.envelope[envelope_nr].xsize;
+ int max_ysize = level.envelope[envelope_nr].ysize;
+ int xstart = (anim_mode & ANIM_VERTICAL ? max_xsize : 0);
+ int ystart = (anim_mode & ANIM_HORIZONTAL ? max_ysize : 0);
+ int xend = max_xsize;
+ int yend = (anim_mode != ANIM_DEFAULT ? max_ysize : 0);
+ int xstep = (xstart < xend ? 1 : 0);
+ int ystep = (ystart < yend || xstep == 0 ? 1 : 0);
+ int start = 0;
+ int end = MAX(xend - xstart, yend - ystart);
+ int i;
+
+ for (i = start; i <= end; i++)
+ {
+ int last_frame = end; // last frame of this "for" loop
+ int x = xstart + i * xstep;
+ int y = ystart + i * ystep;
+ int xsize = (action == ACTION_CLOSING ? xend - (x - xstart) : x) + 2;
+ int ysize = (action == ACTION_CLOSING ? yend - (y - ystart) : y) + 2;
+ int sx = SX + (SXSIZE - xsize * font_width) / 2;
+ int sy = SY + (SYSIZE - ysize * font_height) / 2;
+ int xx, yy;
+
+ SetDrawtoField(DRAW_TO_FIELDBUFFER);
+
+ BlitScreenToBitmap(backbuffer);
+
+ SetDrawtoField(DRAW_TO_BACKBUFFER);
+
+ for (yy = 0; yy < ysize; yy++)
+ for (xx = 0; xx < xsize; xx++)
+ DrawEnvelopeBackground(graphic, sx, sy, xx, yy, xsize, ysize, font_nr);
+
+ DrawTextArea(sx + font_width, sy + font_height,
+ level.envelope[envelope_nr].text, font_nr, max_xsize,
+ xsize - 2, ysize - 2, 0, mask_mode,
+ level.envelope[envelope_nr].autowrap,
+ level.envelope[envelope_nr].centered, FALSE);
+
+ redraw_mask |= REDRAW_FIELD;
+ BackToFront();
+
+ SkipUntilDelayReached(&anim_delay, &i, last_frame);
+ }
+
+ ClearAutoRepeatKeyEvents();
+}
+
+void ShowEnvelope(int envelope_nr)
+{
+ int element = EL_ENVELOPE_1 + envelope_nr;
+ int graphic = IMG_BACKGROUND_ENVELOPE_1 + envelope_nr;
+ int sound_opening = element_info[element].sound[ACTION_OPENING];
+ int sound_closing = element_info[element].sound[ACTION_CLOSING];
+ boolean ffwd_delay = (tape.playing && tape.fast_forward);
+ boolean no_delay = (tape.warp_forward);
+ int normal_delay_value = ONE_SECOND_DELAY / (ffwd_delay ? 2 : 1);
+ int wait_delay_value = (no_delay ? 0 : normal_delay_value);
+ int anim_mode = graphic_info[graphic].anim_mode;
+ int main_anim_mode = (anim_mode == ANIM_NONE ? ANIM_VERTICAL|ANIM_HORIZONTAL:
+ anim_mode == ANIM_DEFAULT ? ANIM_VERTICAL : anim_mode);
+ boolean overlay_enabled = GetOverlayEnabled();
+
+ game.envelope_active = TRUE; // needed for RedrawPlayfield() events
+
+ SetOverlayEnabled(FALSE);
+ UnmapAllGadgets();
+
+ PlayMenuSoundStereo(sound_opening, SOUND_MIDDLE);
+
+ if (anim_mode == ANIM_DEFAULT)
+ AnimateEnvelope(envelope_nr, ANIM_DEFAULT, ACTION_OPENING);
+
+ AnimateEnvelope(envelope_nr, main_anim_mode, ACTION_OPENING);
+
+ if (tape.playing)
+ Delay_WithScreenUpdates(wait_delay_value);
+ else
+ WaitForEventToContinue();
+
+ RemapAllGadgets();
+ SetOverlayEnabled(overlay_enabled);
+
+ PlayMenuSoundStereo(sound_closing, SOUND_MIDDLE);
+
+ if (anim_mode != ANIM_NONE)
+ AnimateEnvelope(envelope_nr, main_anim_mode, ACTION_CLOSING);
+
+ if (anim_mode == ANIM_DEFAULT)
+ AnimateEnvelope(envelope_nr, ANIM_DEFAULT, ACTION_CLOSING);
+
+ game.envelope_active = FALSE;
+
+ SetDrawtoField(DRAW_TO_FIELDBUFFER);
+
+ redraw_mask |= REDRAW_FIELD;
+ BackToFront();
+}
+
+static void PrepareEnvelopeRequestToScreen(Bitmap *bitmap, int sx, int sy,
+ int xsize, int ysize)
+{
+ if (!global.use_envelope_request ||
+ request.sort_priority <= 0)
+ return;
+
+ if (request.bitmap == NULL ||
+ xsize > request.xsize ||
+ ysize > request.ysize)
+ {
+ if (request.bitmap != NULL)
+ FreeBitmap(request.bitmap);
+
+ request.bitmap = CreateBitmap(xsize, ysize, DEFAULT_DEPTH);
+
+ SDL_Surface *surface = request.bitmap->surface;
+
+ if ((request.bitmap->surface_masked = SDLGetNativeSurface(surface)) == NULL)
+ Fail("SDLGetNativeSurface() failed");
+ }
+
+ BlitBitmap(bitmap, request.bitmap, sx, sy, xsize, ysize, 0, 0);
+
+ SDLFreeBitmapTextures(request.bitmap);
+ SDLCreateBitmapTextures(request.bitmap);
+
+ // set envelope request run-time values
+ request.sx = sx;
+ request.sy = sy;
+ request.xsize = xsize;
+ request.ysize = ysize;
+}
+
+void DrawEnvelopeRequestToScreen(int drawing_target, int drawing_stage)
+{
+ if (global.use_envelope_request &&
+ game.request_active_or_moving &&
+ request.sort_priority > 0 &&
+ drawing_target == DRAW_TO_SCREEN &&
+ drawing_stage == DRAW_GLOBAL_ANIM_STAGE_2)
+ {
+ BlitToScreen(request.bitmap, 0, 0, request.xsize, request.ysize,
+ request.sx, request.sy);
+ }
+}
+
+static void setRequestBasePosition(int *x, int *y)
+{
+ int sx_base, sy_base;
+
+ if (request.x != -1)
+ sx_base = request.x;
+ else if (request.align == ALIGN_LEFT)
+ sx_base = SX;
+ else if (request.align == ALIGN_RIGHT)
+ sx_base = SX + SXSIZE;
+ else
+ sx_base = SX + SXSIZE / 2;
+
+ if (request.y != -1)
+ sy_base = request.y;
+ else if (request.valign == VALIGN_TOP)
+ sy_base = SY;
+ else if (request.valign == VALIGN_BOTTOM)
+ sy_base = SY + SYSIZE;
+ else
+ sy_base = SY + SYSIZE / 2;
+
+ *x = sx_base;
+ *y = sy_base;
+}
+
+static void setRequestPositionExt(int *x, int *y, int width, int height,
+ boolean add_border_size)
+{
+ int border_size = request.border_size;
+ int sx_base, sy_base;
+ int sx, sy;
+
+ setRequestBasePosition(&sx_base, &sy_base);
+
+ if (request.align == ALIGN_LEFT)
+ sx = sx_base;
+ else if (request.align == ALIGN_RIGHT)
+ sx = sx_base - width;
+ else
+ sx = sx_base - width / 2;
+
+ if (request.valign == VALIGN_TOP)
+ sy = sy_base;
+ else if (request.valign == VALIGN_BOTTOM)
+ sy = sy_base - height;
+ else
+ sy = sy_base - height / 2;
+
+ sx = MAX(0, MIN(sx, WIN_XSIZE - width));
+ sy = MAX(0, MIN(sy, WIN_YSIZE - height));
+
+ if (add_border_size)
+ {
+ sx += border_size;
+ sy += border_size;
+ }
+
+ *x = sx;
+ *y = sy;
+}
+
+static void setRequestPosition(int *x, int *y, boolean add_border_size)
+{
+ setRequestPositionExt(x, y, request.width, request.height, add_border_size);
+}
+
+static void DrawEnvelopeRequest(char *text)
+{
+ char *text_final = text;
+ char *text_door_style = NULL;
+ int graphic = IMG_BACKGROUND_REQUEST;
+ Bitmap *src_bitmap = graphic_info[graphic].bitmap;
+ int mask_mode = (src_bitmap != NULL ? BLIT_MASKED : BLIT_ON_BACKGROUND);
+ int font_nr = FONT_REQUEST;
+ int font_width = getFontWidth(font_nr);
+ int font_height = getFontHeight(font_nr);
+ int border_size = request.border_size;
+ int line_spacing = request.line_spacing;
+ int line_height = font_height + line_spacing;
+ int max_text_width = request.width - 2 * border_size;
+ int max_text_height = request.height - 2 * border_size;
+ int line_length = max_text_width / font_width;
+ int max_lines = max_text_height / line_height;
+ int text_width = line_length * font_width;
+ int width = request.width;
+ int height = request.height;
+ int tile_size = MAX(request.step_offset, 1);
+ int x_steps = width / tile_size;
+ int y_steps = height / tile_size;
+ int sx_offset = border_size;
+ int sy_offset = border_size;
+ int sx, sy;
+ int i, x, y;
+
+ if (request.centered)
+ sx_offset = (request.width - text_width) / 2;
+
+ if (request.wrap_single_words && !request.autowrap)
+ {
+ char *src_text_ptr, *dst_text_ptr;
+
+ text_door_style = checked_malloc(2 * strlen(text) + 1);
+
+ src_text_ptr = text;
+ dst_text_ptr = text_door_style;
+
+ while (*src_text_ptr)
+ {
+ if (*src_text_ptr == ' ' ||
+ *src_text_ptr == '?' ||
+ *src_text_ptr == '!')
+ *dst_text_ptr++ = '\n';
+
+ if (*src_text_ptr != ' ')
+ *dst_text_ptr++ = *src_text_ptr;
+
+ src_text_ptr++;
+ }
+
+ *dst_text_ptr = '\0';
+
+ text_final = text_door_style;
+ }
+
+ setRequestPosition(&sx, &sy, FALSE);
+
+ ClearRectangle(backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE);
+
+ for (y = 0; y < y_steps; y++)
+ for (x = 0; x < x_steps; x++)
+ DrawEnvelopeBackgroundTiles(graphic, sx, sy,
+ x, y, x_steps, y_steps,
+ tile_size, tile_size);
+
+ // force DOOR font inside door area
+ SetFontStatus(GAME_MODE_PSEUDO_DOOR);
+
+ DrawTextBuffer(sx + sx_offset, sy + sy_offset, text_final, font_nr,
+ line_length, -1, max_lines, line_spacing, mask_mode,
+ request.autowrap, request.centered, FALSE);
+
+ ResetFontStatus();
+
+ for (i = 0; i < NUM_TOOL_BUTTONS; i++)
+ RedrawGadget(tool_gadget[i]);
+
+ // store readily prepared envelope request for later use when animating
+ BlitBitmap(backbuffer, bitmap_db_store_2, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+
+ PrepareEnvelopeRequestToScreen(bitmap_db_store_2, sx, sy, width, height);
+
+ if (text_door_style)
+ free(text_door_style);
+}
+
+static void AnimateEnvelopeRequest(int anim_mode, int action)
+{
+ int graphic = IMG_BACKGROUND_REQUEST;
+ boolean draw_masked = graphic_info[graphic].draw_masked;
+ int delay_value_normal = request.step_delay;
+ int delay_value_fast = delay_value_normal / 2;
+ boolean ffwd_delay = (tape.playing && tape.fast_forward);
+ boolean no_delay = (tape.warp_forward);
+ int delay_value = (ffwd_delay ? delay_value_fast : delay_value_normal);
+ int anim_delay_value = MAX(1, (no_delay ? 0 : delay_value + 500 * 0) / 2);
+ DelayCounter anim_delay = { anim_delay_value };
+
+ int tile_size = MAX(request.step_offset, 1);
+ int max_xsize = request.width / tile_size;
+ int max_ysize = request.height / tile_size;
+ int max_xsize_inner = max_xsize - 2;
+ int max_ysize_inner = max_ysize - 2;
+
+ int xstart = (anim_mode & ANIM_VERTICAL ? max_xsize_inner : 0);
+ int ystart = (anim_mode & ANIM_HORIZONTAL ? max_ysize_inner : 0);
+ int xend = max_xsize_inner;
+ int yend = (anim_mode != ANIM_DEFAULT ? max_ysize_inner : 0);
+ int xstep = (xstart < xend ? 1 : 0);
+ int ystep = (ystart < yend || xstep == 0 ? 1 : 0);
+ int start = 0;
+ int end = MAX(xend - xstart, yend - ystart);
+ int i;
+
+ if (setup.quick_doors)
+ {
+ xstart = xend;
+ ystart = yend;
+ end = 0;
+ }
+
+ for (i = start; i <= end; i++)
+ {
+ int last_frame = end; // last frame of this "for" loop
+ int x = xstart + i * xstep;
+ int y = ystart + i * ystep;
+ int xsize = (action == ACTION_CLOSING ? xend - (x - xstart) : x) + 2;
+ int ysize = (action == ACTION_CLOSING ? yend - (y - ystart) : y) + 2;
+ int xsize_size_left = (xsize - 1) * tile_size;
+ int ysize_size_top = (ysize - 1) * tile_size;
+ int max_xsize_pos = (max_xsize - 1) * tile_size;
+ int max_ysize_pos = (max_ysize - 1) * tile_size;
+ int width = xsize * tile_size;
+ int height = ysize * tile_size;
+ int src_x, src_y;
+ int dst_x, dst_y;
+ int xx, yy;
+
+ setRequestPosition(&src_x, &src_y, FALSE);
+ setRequestPositionExt(&dst_x, &dst_y, width, height, FALSE);
+
+ BlitBitmap(bitmap_db_store_1, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+
+ for (yy = 0; yy < 2; yy++)
+ {
+ for (xx = 0; xx < 2; xx++)
+ {
+ int src_xx = src_x + xx * max_xsize_pos;
+ int src_yy = src_y + yy * max_ysize_pos;
+ int dst_xx = dst_x + xx * xsize_size_left;
+ int dst_yy = dst_y + yy * ysize_size_top;
+ int xx_size = (xx ? tile_size : xsize_size_left);
+ int yy_size = (yy ? tile_size : ysize_size_top);
+
+ if (draw_masked)
+ BlitBitmapMasked(bitmap_db_store_2, backbuffer,
+ src_xx, src_yy, xx_size, yy_size, dst_xx, dst_yy);
+ else
+ BlitBitmap(bitmap_db_store_2, backbuffer,
+ src_xx, src_yy, xx_size, yy_size, dst_xx, dst_yy);
+ }
+ }
+
+ PrepareEnvelopeRequestToScreen(backbuffer, dst_x, dst_y, width, height);
+
+ redraw_mask |= REDRAW_FIELD;
+
+ BackToFront();
+
+ SkipUntilDelayReached(&anim_delay, &i, last_frame);
+ }
+
+ ClearAutoRepeatKeyEvents();
+}
+
+static void ShowEnvelopeRequest(char *text, unsigned int req_state, int action)
+{
+ int graphic = IMG_BACKGROUND_REQUEST;
+ int sound_opening = SND_REQUEST_OPENING;
+ int sound_closing = SND_REQUEST_CLOSING;
+ int anim_mode_1 = request.anim_mode; // (higher priority)
+ int anim_mode_2 = graphic_info[graphic].anim_mode; // (lower priority)
+ int anim_mode = (anim_mode_1 != ANIM_DEFAULT ? anim_mode_1 : anim_mode_2);
+ int main_anim_mode = (anim_mode == ANIM_NONE ? ANIM_VERTICAL|ANIM_HORIZONTAL:
+ anim_mode == ANIM_DEFAULT ? ANIM_VERTICAL : anim_mode);
+
+ if (game_status == GAME_MODE_PLAYING)
+ BlitScreenToBitmap(backbuffer);
+
+ SetDrawtoField(DRAW_TO_BACKBUFFER);
+
+ // SetDrawBackgroundMask(REDRAW_NONE);
+
+ if (action == ACTION_OPENING)
+ {
+ BlitBitmap(backbuffer, bitmap_db_store_1, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+
+ if (req_state & REQ_ASK)
+ {
+ MapGadget(tool_gadget[TOOL_CTRL_ID_YES]);
+ MapGadget(tool_gadget[TOOL_CTRL_ID_NO]);
+ MapGadget(tool_gadget[TOOL_CTRL_ID_TOUCH_YES]);
+ MapGadget(tool_gadget[TOOL_CTRL_ID_TOUCH_NO]);
+ }
+ else if (req_state & REQ_CONFIRM)
+ {
+ MapGadget(tool_gadget[TOOL_CTRL_ID_CONFIRM]);
+ MapGadget(tool_gadget[TOOL_CTRL_ID_TOUCH_CONFIRM]);
+ }
+ else if (req_state & REQ_PLAYER)
+ {
+ MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_1]);
+ MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_2]);
+ MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_3]);
+ MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_4]);
+ }
+
+ DrawEnvelopeRequest(text);
+ }
+
+ game.envelope_active = TRUE; // needed for RedrawPlayfield() events
+
+ if (action == ACTION_OPENING)
+ {
+ PlayMenuSoundStereo(sound_opening, SOUND_MIDDLE);
+
+ if (anim_mode == ANIM_DEFAULT)
+ AnimateEnvelopeRequest(ANIM_DEFAULT, ACTION_OPENING);
+
+ AnimateEnvelopeRequest(main_anim_mode, ACTION_OPENING);
+ }
+ else
+ {
+ PlayMenuSoundStereo(sound_closing, SOUND_MIDDLE);
+
+ if (anim_mode != ANIM_NONE)
+ AnimateEnvelopeRequest(main_anim_mode, ACTION_CLOSING);
+
+ if (anim_mode == ANIM_DEFAULT)
+ AnimateEnvelopeRequest(ANIM_DEFAULT, ACTION_CLOSING);
+ }
+
+ game.envelope_active = FALSE;
+
+ if (action == ACTION_CLOSING)
+ BlitBitmap(bitmap_db_store_1, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+
+ // SetDrawBackgroundMask(last_draw_background_mask);
+
+ redraw_mask |= REDRAW_FIELD;
+
+ BackToFront();
+
+ if (action == ACTION_CLOSING &&
+ game_status == GAME_MODE_PLAYING &&
+ level.game_engine_type == GAME_ENGINE_TYPE_RND)
+ SetDrawtoField(DRAW_TO_FIELDBUFFER);
+}
+
+static void DrawPreviewElement(int dst_x, int dst_y, int element, int tilesize)
+{
+ if (IS_MM_WALL(element))
+ {
+ DrawSizedWall_MM(dst_x, dst_y, element, tilesize, el2preimg);
+ }
+ else
+ {
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+ int graphic = el2preimg(element);
+
+ getSizedGraphicSource(graphic, 0, tilesize, &src_bitmap, &src_x, &src_y);
+ BlitBitmap(src_bitmap, drawto, src_x, src_y, tilesize, tilesize,
+ dst_x, dst_y);
+ }
+}
+
+void DrawLevel(int draw_background_mask)
+{
+ int x,y;
+
+ SetMainBackgroundImage(IMG_BACKGROUND_PLAYING);
+ SetDrawBackgroundMask(draw_background_mask);
+
+ ClearField();
+
+ for (x = BX1; x <= BX2; x++)
+ for (y = BY1; y <= BY2; y++)
+ DrawScreenField(x, y);
+
+ redraw_mask |= REDRAW_FIELD;
+}
+
+void DrawSizedLevel(int size_x, int size_y, int scroll_x, int scroll_y,
+ int tilesize)
+{
+ int x,y;
+
+ for (x = 0; x < size_x; x++)
+ for (y = 0; y < size_y; y++)
+ DrawSizedElementOrWall(x, y, scroll_x, scroll_y, tilesize);
+
+ redraw_mask |= REDRAW_FIELD;
+}
+
+void DrawMiniLevel(int size_x, int size_y, int scroll_x, int scroll_y)
+{
+ int x,y;
+
+ for (x = 0; x < size_x; x++)
+ for (y = 0; y < size_y; y++)
+ DrawMiniElementOrWall(x, y, scroll_x, scroll_y);
+
+ redraw_mask |= REDRAW_FIELD;
+}
+
+static void DrawPreviewLevelPlayfield(int from_x, int from_y)
+{
+ boolean show_level_border = (BorderElement != EL_EMPTY);
+ int level_xsize = lev_fieldx + (show_level_border ? 2 : 0);
+ int level_ysize = lev_fieldy + (show_level_border ? 2 : 0);
+ int tile_size = preview.tile_size;
+ int preview_width = preview.xsize * tile_size;
+ int preview_height = preview.ysize * tile_size;
+ int real_preview_xsize = MIN(level_xsize, preview.xsize);
+ int real_preview_ysize = MIN(level_ysize, preview.ysize);
+ int real_preview_width = real_preview_xsize * tile_size;
+ int real_preview_height = real_preview_ysize * tile_size;
+ int dst_x = SX + ALIGNED_XPOS(preview.x, preview_width, preview.align);
+ int dst_y = SY + ALIGNED_YPOS(preview.y, preview_height, preview.valign);
+ int x, y;
+
+ if (!IN_GFX_FIELD_FULL(dst_x, dst_y + preview_height - 1))
+ return;
+
+ DrawBackground(dst_x, dst_y, preview_width, preview_height);
+
+ dst_x += (preview_width - real_preview_width) / 2;
+ dst_y += (preview_height - real_preview_height) / 2;
+
+ for (x = 0; x < real_preview_xsize; x++)
+ {
+ for (y = 0; y < real_preview_ysize; y++)
+ {
+ int lx = from_x + x + (show_level_border ? -1 : 0);
+ int ly = from_y + y + (show_level_border ? -1 : 0);
+ int element = (IN_LEV_FIELD(lx, ly) ? level.field[lx][ly] :
+ getBorderElement(lx, ly));
+
+ DrawPreviewElement(dst_x + x * tile_size, dst_y + y * tile_size,
+ element, tile_size);
+ }
+ }
+
+ redraw_mask |= REDRAW_FIELD;
+}
+
+#define MICROLABEL_EMPTY 0
+#define MICROLABEL_LEVEL_NAME 1
+#define MICROLABEL_LEVEL_AUTHOR_HEAD 2
+#define MICROLABEL_LEVEL_AUTHOR 3
+#define MICROLABEL_IMPORTED_FROM_HEAD 4
+#define MICROLABEL_IMPORTED_FROM 5
+#define MICROLABEL_IMPORTED_BY_HEAD 6
+#define MICROLABEL_IMPORTED_BY 7
+
+static int getMaxTextLength(struct TextPosInfo *pos, int font_nr)
+{
+ int max_text_width = SXSIZE;
+ int font_width = getFontWidth(font_nr);
+
+ if (pos->align == ALIGN_CENTER)
+ max_text_width = (pos->x < SXSIZE / 2 ? pos->x * 2 : (SXSIZE - pos->x) * 2);
+ else if (pos->align == ALIGN_RIGHT)
+ max_text_width = pos->x;
+ else
+ max_text_width = SXSIZE - pos->x;
+
+ return max_text_width / font_width;
+}
+
+static void DrawPreviewLevelLabelExt(int mode, struct TextPosInfo *pos)
+{
+ char label_text[MAX_OUTPUT_LINESIZE + 1];
+ int max_len_label_text;
+ int font_nr = pos->font;
+ int i;
+
+ if (!IN_GFX_FIELD_FULL(pos->x, pos->y + getFontHeight(pos->font)))
+ return;
+
+ if (mode == MICROLABEL_LEVEL_AUTHOR_HEAD ||
+ mode == MICROLABEL_IMPORTED_FROM_HEAD ||
+ mode == MICROLABEL_IMPORTED_BY_HEAD)
+ font_nr = pos->font_alt;
+
+ max_len_label_text = getMaxTextLength(pos, font_nr);
+
+ if (pos->size != -1)
+ max_len_label_text = pos->size;
+
+ for (i = 0; i < max_len_label_text; i++)
+ label_text[i] = ' ';
+ label_text[max_len_label_text] = '\0';
+
+ if (strlen(label_text) > 0)
+ DrawTextSAligned(pos->x, pos->y, label_text, font_nr, pos->align);
+
+ strncpy(label_text,
+ (mode == MICROLABEL_LEVEL_NAME ? level.name :
+ mode == MICROLABEL_LEVEL_AUTHOR_HEAD ? "created by" :
+ mode == MICROLABEL_LEVEL_AUTHOR ? level.author :
+ mode == MICROLABEL_IMPORTED_FROM_HEAD ? "imported from" :
+ mode == MICROLABEL_IMPORTED_FROM ? leveldir_current->imported_from :
+ mode == MICROLABEL_IMPORTED_BY_HEAD ? "imported by" :
+ mode == MICROLABEL_IMPORTED_BY ? leveldir_current->imported_by :""),
+ max_len_label_text);
+ label_text[max_len_label_text] = '\0';
+
+ if (strlen(label_text) > 0)
+ DrawTextSAligned(pos->x, pos->y, label_text, font_nr, pos->align);
+
+ redraw_mask |= REDRAW_FIELD;
+}
+
+static void DrawPreviewLevelLabel(int mode)
+{
+ DrawPreviewLevelLabelExt(mode, &menu.main.text.level_info_2);
+}
+
+static void DrawPreviewLevelInfo(int mode)
+{
+ if (mode == MICROLABEL_LEVEL_NAME)
+ DrawPreviewLevelLabelExt(mode, &menu.main.text.level_name);
+ else if (mode == MICROLABEL_LEVEL_AUTHOR)
+ DrawPreviewLevelLabelExt(mode, &menu.main.text.level_author);
+}
+
+static void DrawPreviewLevelExt(boolean restart)
+{
+ static DelayCounter scroll_delay = { 0 };
+ static DelayCounter label_delay = { 0 };
+ static int from_x, from_y, scroll_direction;
+ static int label_state, label_counter;
+ boolean show_level_border = (BorderElement != EL_EMPTY);
+ int level_xsize = lev_fieldx + (show_level_border ? 2 : 0);
+ int level_ysize = lev_fieldy + (show_level_border ? 2 : 0);
+
+ scroll_delay.value = preview.step_delay;
+ label_delay.value = MICROLEVEL_LABEL_DELAY;
+
+ if (restart)
+ {
+ from_x = 0;
+ from_y = 0;
+
+ if (preview.anim_mode == ANIM_CENTERED)
+ {
+ if (level_xsize > preview.xsize)
+ from_x = (level_xsize - preview.xsize) / 2;
+ if (level_ysize > preview.ysize)
+ from_y = (level_ysize - preview.ysize) / 2;
+ }
+
+ from_x += preview.xoffset;
+ from_y += preview.yoffset;
+
+ scroll_direction = MV_RIGHT;
+ label_state = 1;
+ label_counter = 0;
+
+ DrawPreviewLevelPlayfield(from_x, from_y);
+ DrawPreviewLevelLabel(label_state);
+
+ DrawPreviewLevelInfo(MICROLABEL_LEVEL_NAME);
+ DrawPreviewLevelInfo(MICROLABEL_LEVEL_AUTHOR);
+
+ // initialize delay counters
+ ResetDelayCounter(&scroll_delay);
+ ResetDelayCounter(&label_delay);
+
+ if (leveldir_current->name)
+ {
+ struct TextPosInfo *pos = &menu.main.text.level_info_1;
+ char label_text[MAX_OUTPUT_LINESIZE + 1];
+ int font_nr = pos->font;
+ int max_len_label_text = getMaxTextLength(pos, font_nr);
+
+ if (pos->size != -1)
+ max_len_label_text = pos->size;
+
+ strncpy(label_text, leveldir_current->name, max_len_label_text);
+ label_text[max_len_label_text] = '\0';
+
+ if (IN_GFX_FIELD_FULL(pos->x, pos->y + getFontHeight(pos->font)))
+ DrawTextSAligned(pos->x, pos->y, label_text, font_nr, pos->align);
+ }
+
+ return;
+ }
+
+ // scroll preview level, if needed
+ if (preview.anim_mode != ANIM_NONE &&
+ (level_xsize > preview.xsize || level_ysize > preview.ysize) &&
+ DelayReached(&scroll_delay))
+ {
+ switch (scroll_direction)
+ {
+ case MV_LEFT:
+ if (from_x > 0)
+ {
+ from_x -= preview.step_offset;
+ from_x = (from_x < 0 ? 0 : from_x);
+ }
+ else
+ scroll_direction = MV_UP;
+ break;
+
+ case MV_RIGHT:
+ if (from_x < level_xsize - preview.xsize)
+ {
+ from_x += preview.step_offset;
+ from_x = (from_x > level_xsize - preview.xsize ?
+ level_xsize - preview.xsize : from_x);
+ }
+ else
+ scroll_direction = MV_DOWN;
+ break;
+
+ case MV_UP:
+ if (from_y > 0)
+ {
+ from_y -= preview.step_offset;
+ from_y = (from_y < 0 ? 0 : from_y);
+ }
+ else
+ scroll_direction = MV_RIGHT;
+ break;
+
+ case MV_DOWN:
+ if (from_y < level_ysize - preview.ysize)
+ {
+ from_y += preview.step_offset;
+ from_y = (from_y > level_ysize - preview.ysize ?
+ level_ysize - preview.ysize : from_y);
+ }
+ else
+ scroll_direction = MV_LEFT;
+ break;
+
+ default:
+ break;
+ }
+
+ DrawPreviewLevelPlayfield(from_x, from_y);
+ }
+
+ // !!! THIS ALL SUCKS -- SHOULD BE CLEANLY REWRITTEN !!!
+ // redraw micro level label, if needed
+ if (!strEqual(level.name, NAMELESS_LEVEL_NAME) &&
+ !strEqual(level.author, ANONYMOUS_NAME) &&
+ !strEqual(level.author, leveldir_current->name) &&
+ DelayReached(&label_delay))
+ {
+ int max_label_counter = 23;
+
+ if (leveldir_current->imported_from != NULL &&
+ strlen(leveldir_current->imported_from) > 0)
+ max_label_counter += 14;
+ if (leveldir_current->imported_by != NULL &&
+ strlen(leveldir_current->imported_by) > 0)
+ max_label_counter += 14;
+
+ label_counter = (label_counter + 1) % max_label_counter;
+ label_state = (label_counter >= 0 && label_counter <= 7 ?
+ MICROLABEL_LEVEL_NAME :
+ label_counter >= 9 && label_counter <= 12 ?
+ MICROLABEL_LEVEL_AUTHOR_HEAD :
+ label_counter >= 14 && label_counter <= 21 ?
+ MICROLABEL_LEVEL_AUTHOR :
+ label_counter >= 23 && label_counter <= 26 ?
+ MICROLABEL_IMPORTED_FROM_HEAD :
+ label_counter >= 28 && label_counter <= 35 ?
+ MICROLABEL_IMPORTED_FROM :
+ label_counter >= 37 && label_counter <= 40 ?
+ MICROLABEL_IMPORTED_BY_HEAD :
+ label_counter >= 42 && label_counter <= 49 ?
+ MICROLABEL_IMPORTED_BY : MICROLABEL_EMPTY);
+
+ if (leveldir_current->imported_from == NULL &&
+ (label_state == MICROLABEL_IMPORTED_FROM_HEAD ||
+ label_state == MICROLABEL_IMPORTED_FROM))
+ label_state = (label_state == MICROLABEL_IMPORTED_FROM_HEAD ?
+ MICROLABEL_IMPORTED_BY_HEAD : MICROLABEL_IMPORTED_BY);
+
+ DrawPreviewLevelLabel(label_state);
+ }
+}
+
+void DrawPreviewPlayers(void)
+{
+ if (game_status != GAME_MODE_MAIN)
+ return;
+
+ // do not draw preview players if level preview redefined, but players aren't
+ if (preview.redefined && !menu.main.preview_players.redefined)
+ return;
+
+ boolean player_found[MAX_PLAYERS];
+ int num_players = 0;
+ int i, x, y;
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ player_found[i] = FALSE;
+
+ // check which players can be found in the level (simple approach)
+ for (x = 0; x < lev_fieldx; x++)
+ {
+ for (y = 0; y < lev_fieldy; y++)
+ {
+ int element = level.field[x][y];
+
+ if (IS_PLAYER_ELEMENT(element))
+ {
+ int player_nr = GET_PLAYER_NR(element);
+
+ player_nr = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
+
+ if (!player_found[player_nr])
+ num_players++;
+
+ player_found[player_nr] = TRUE;
+ }
+ }
+ }
+
+ struct TextPosInfo *pos = &menu.main.preview_players;
+ int tile_size = pos->tile_size;
+ int border_size = pos->border_size;
+ int player_xoffset_raw = (pos->vertical ? 0 : tile_size + border_size);
+ int player_yoffset_raw = (pos->vertical ? tile_size + border_size : 0);
+ int player_xoffset = (pos->xoffset != -1 ? pos->xoffset : player_xoffset_raw);
+ int player_yoffset = (pos->yoffset != -1 ? pos->yoffset : player_yoffset_raw);
+ int max_players_width = (MAX_PLAYERS - 1) * player_xoffset + tile_size;
+ int max_players_height = (MAX_PLAYERS - 1) * player_yoffset + tile_size;
+ int all_players_width = (num_players - 1) * player_xoffset + tile_size;
+ int all_players_height = (num_players - 1) * player_yoffset + tile_size;
+ int max_xpos = SX + ALIGNED_XPOS(pos->x, max_players_width, pos->align);
+ int max_ypos = SY + ALIGNED_YPOS(pos->y, max_players_height, pos->valign);
+ int xpos = SX + ALIGNED_XPOS(pos->x, all_players_width, pos->align);
+ int ypos = SY + ALIGNED_YPOS(pos->y, all_players_height, pos->valign);
+
+ // clear area in which the players will be drawn
+ ClearRectangleOnBackground(drawto, max_xpos, max_ypos,
+ max_players_width, max_players_height);
+
+ if (!network.enabled && !setup.team_mode)
+ return;
+
+ // only draw players if level is suited for team mode
+ if (num_players < 2)
+ return;
+
+ // draw all players that were found in the level
+ for (i = 0; i < MAX_PLAYERS; i++)
+ {
+ if (player_found[i])
+ {
+ int graphic = el2img(EL_PLAYER_1 + i);
+
+ DrawSizedGraphicThruMaskExt(drawto, xpos, ypos, graphic, 0, tile_size);
+
+ xpos += player_xoffset;
+ ypos += player_yoffset;
+ }
+ }
+}
+
+void DrawPreviewLevelInitial(void)
+{
+ DrawPreviewLevelExt(TRUE);
+ DrawPreviewPlayers();
+}
+
+void DrawPreviewLevelAnimation(void)
+{
+ DrawPreviewLevelExt(FALSE);
+}
+
+static void DrawNetworkPlayer(int x, int y, int player_nr, int tile_size,
+ int border_size, int font_nr)
+{
+ int graphic = el2img(EL_PLAYER_1 + player_nr);
+ int font_height = getFontHeight(font_nr);
+ int player_height = MAX(tile_size, font_height);
+ int xoffset_text = tile_size + border_size;
+ int yoffset_text = (player_height - font_height) / 2;
+ int yoffset_graphic = (player_height - tile_size) / 2;
+ char *player_name = getNetworkPlayerName(player_nr + 1);
+
+ DrawSizedGraphicThruMaskExt(drawto, x, y + yoffset_graphic, graphic, 0,
+ tile_size);
+ DrawText(x + xoffset_text, y + yoffset_text, player_name, font_nr);
+}
+
+static void DrawNetworkPlayersExt(boolean force)
+{
+ if (game_status != GAME_MODE_MAIN)
+ return;
+
+ if (!network.connected && !force)
+ return;
+
+ // do not draw network players if level preview redefined, but players aren't
+ if (preview.redefined && !menu.main.network_players.redefined)
+ return;
+
+ int num_players = 0;
+ int i;
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ if (stored_player[i].connected_network)
+ num_players++;
+
+ struct TextPosInfo *pos = &menu.main.network_players;
+ int tile_size = pos->tile_size;
+ int border_size = pos->border_size;
+ int xoffset_text = tile_size + border_size;
+ int font_nr = pos->font;
+ int font_width = getFontWidth(font_nr);
+ int font_height = getFontHeight(font_nr);
+ int player_height = MAX(tile_size, font_height);
+ int player_yoffset = player_height + border_size;
+ int max_players_width = xoffset_text + MAX_PLAYER_NAME_LEN * font_width;
+ int max_players_height = MAX_PLAYERS * player_yoffset - border_size;
+ int all_players_height = num_players * player_yoffset - border_size;
+ int max_xpos = SX + ALIGNED_XPOS(pos->x, max_players_width, pos->align);
+ int max_ypos = SY + ALIGNED_YPOS(pos->y, max_players_height, pos->valign);
+ int ypos = SY + ALIGNED_YPOS(pos->y, all_players_height, pos->valign);
+
+ ClearRectangleOnBackground(drawto, max_xpos, max_ypos,
+ max_players_width, max_players_height);
+
+ // first draw local network player ...
+ for (i = 0; i < MAX_PLAYERS; i++)
+ {
+ if (stored_player[i].connected_network &&
+ stored_player[i].connected_locally)
+ {
+ char *player_name = getNetworkPlayerName(i + 1);
+ int player_width = xoffset_text + getTextWidth(player_name, font_nr);
+ int xpos = SX + ALIGNED_XPOS(pos->x, player_width, pos->align);
+
+ DrawNetworkPlayer(xpos, ypos, i, tile_size, border_size, font_nr);
+
+ ypos += player_yoffset;
+ }
+ }
+
+ // ... then draw all other network players
+ for (i = 0; i < MAX_PLAYERS; i++)
+ {
+ if (stored_player[i].connected_network &&
+ !stored_player[i].connected_locally)
+ {
+ char *player_name = getNetworkPlayerName(i + 1);
+ int player_width = xoffset_text + getTextWidth(player_name, font_nr);
+ int xpos = SX + ALIGNED_XPOS(pos->x, player_width, pos->align);
+
+ DrawNetworkPlayer(xpos, ypos, i, tile_size, border_size, font_nr);
+
+ ypos += player_yoffset;
+ }
+ }
+}
+
+void DrawNetworkPlayers(void)
+{
+ DrawNetworkPlayersExt(FALSE);
+}
+
+void ClearNetworkPlayers(void)
+{
+ DrawNetworkPlayersExt(TRUE);
+}
+
+static void DrawGraphicAnimationExt(DrawBuffer *dst_bitmap, int x, int y,
+ int graphic, int lx, int ly,
+ int mask_mode)
+{
+ int frame = getGraphicAnimationFrameXY(graphic, lx, ly);
+
+ if (mask_mode == USE_MASKING)
+ DrawGraphicThruMaskExt(dst_bitmap, x, y, graphic, frame);
+ else
+ DrawGraphicExt(dst_bitmap, x, y, graphic, frame);
+}
+
+void DrawFixedGraphicAnimationExt(DrawBuffer *dst_bitmap, int x, int y,
+ int graphic, int sync_frame, int mask_mode)
+{
+ int frame = getGraphicAnimationFrame(graphic, sync_frame);
+
+ if (mask_mode == USE_MASKING)
+ DrawFixedGraphicThruMaskExt(dst_bitmap, x, y, graphic, frame);
+ else
+ DrawFixedGraphicExt(dst_bitmap, x, y, graphic, frame);
+}
+
+static void DrawGraphicAnimation(int x, int y, int graphic)
+{
+ int lx = LEVELX(x), ly = LEVELY(y);
+ int mask_mode = NO_MASKING;
+
+ if (!IN_SCR_FIELD(x, y))
+ return;
+
+ if (game.use_masked_elements)
+ {
+ if (Tile[lx][ly] != EL_EMPTY)
+ {
+ DrawScreenElementExt(x, y, 0, 0, EL_EMPTY, NO_CUTTING, NO_MASKING);
+
+ mask_mode = USE_MASKING;
+ }
+ }
+
+ DrawGraphicAnimationExt(drawto_field, FX + x * TILEX_VAR, FY + y * TILEY_VAR,
+ graphic, lx, ly, mask_mode);
+
+ MarkTileDirty(x, y);
+}
+
+void DrawFixedGraphicAnimation(int x, int y, int graphic)
+{
+ int lx = LEVELX(x), ly = LEVELY(y);
+ int mask_mode = NO_MASKING;
+
+ if (!IN_SCR_FIELD(x, y))
+ return;
+
+ if (game.use_masked_elements)
+ {
+ if (Tile[lx][ly] != EL_EMPTY)
+ {
+ DrawScreenElementExt(x, y, 0, 0, EL_EMPTY, NO_CUTTING, NO_MASKING);
+
+ mask_mode = USE_MASKING;
+ }
+ }
+
+ DrawGraphicAnimationExt(drawto_field, FX + x * TILEX, FY + y * TILEY,
+ graphic, lx, ly, mask_mode);
+
+ MarkTileDirty(x, y);
+}
+
+void DrawLevelGraphicAnimation(int x, int y, int graphic)
+{
+ DrawGraphicAnimation(SCREENX(x), SCREENY(y), graphic);
+}
+
+void DrawLevelElementAnimation(int x, int y, int element)
+{
+ int graphic = el_act_dir2img(element, GfxAction[x][y], GfxDir[x][y]);
+
+ DrawGraphicAnimation(SCREENX(x), SCREENY(y), graphic);
+}
+
+void DrawLevelGraphicAnimationIfNeeded(int x, int y, int graphic)
+{
+ int sx = SCREENX(x), sy = SCREENY(y);
+
+ if (!IN_LEV_FIELD(x, y) || !IN_SCR_FIELD(sx, sy))
+ return;
+
+ if (Tile[x][y] == EL_EMPTY)
+ graphic = el2img(GfxElementEmpty[x][y]);
+
+ if (!IS_NEW_FRAME(GfxFrame[x][y], graphic))
+ return;
+
+ if (ANIM_MODE(graphic) & (ANIM_TILED | ANIM_RANDOM_STATIC))
+ return;
+
+ DrawGraphicAnimation(sx, sy, graphic);
+
+#if 1
+ if (GFX_CRUMBLED(TILE_GFX_ELEMENT(x, y)))
+ DrawLevelFieldCrumbled(x, y);
+#else
+ if (GFX_CRUMBLED(Tile[x][y]))
+ DrawLevelFieldCrumbled(x, y);
+#endif
+}
+
+void DrawLevelElementAnimationIfNeeded(int x, int y, int element)
+{
+ int sx = SCREENX(x), sy = SCREENY(y);
+ int graphic;
+
+ if (!IN_LEV_FIELD(x, y) || !IN_SCR_FIELD(sx, sy))
+ return;
+
+ graphic = el_act_dir2img(element, GfxAction[x][y], GfxDir[x][y]);
+
+ if (!IS_NEW_FRAME(GfxFrame[x][y], graphic))
+ return;
+
+ DrawGraphicAnimation(sx, sy, graphic);
+
+ if (GFX_CRUMBLED(element))
+ DrawLevelFieldCrumbled(x, y);
+}
+
+static int getPlayerGraphic(struct PlayerInfo *player, int move_dir)
+{
+ if (player->use_murphy)
+ {
+ // this works only because currently only one player can be "murphy" ...
+ static int last_horizontal_dir = MV_LEFT;
+ int graphic = el_act_dir2img(EL_SP_MURPHY, player->GfxAction, move_dir);
+
+ if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
+ last_horizontal_dir = move_dir;
+
+ if (graphic == IMG_SP_MURPHY) // undefined => use special graphic
+ {
+ int direction = (player->is_snapping ? move_dir : last_horizontal_dir);
+
+ graphic = el_act_dir2img(EL_SP_MURPHY, player->GfxAction, direction);
+ }
+
+ return graphic;
+ }
+ else
+ return el_act_dir2img(player->artwork_element, player->GfxAction,move_dir);
+}
+
+static boolean equalGraphics(int graphic1, int graphic2)
+{
+ struct GraphicInfo *g1 = &graphic_info[graphic1];
+ struct GraphicInfo *g2 = &graphic_info[graphic2];
+
+ return (g1->bitmap == g2->bitmap &&
+ g1->src_x == g2->src_x &&
+ g1->src_y == g2->src_y &&
+ g1->anim_frames == g2->anim_frames &&
+ g1->anim_delay == g2->anim_delay &&
+ g1->anim_mode == g2->anim_mode);
+}
+
+#define DRAW_PLAYER_OVER_PUSHED_ELEMENT 1
+
+enum
+{
+ DRAW_PLAYER_STAGE_INIT = 0,
+ DRAW_PLAYER_STAGE_LAST_FIELD,
+ DRAW_PLAYER_STAGE_FIELD_UNDER_PLAYER,
+#if DRAW_PLAYER_OVER_PUSHED_ELEMENT
+ DRAW_PLAYER_STAGE_ELEMENT_PUSHED,
+ DRAW_PLAYER_STAGE_PLAYER,
+#else
+ DRAW_PLAYER_STAGE_PLAYER,
+ DRAW_PLAYER_STAGE_ELEMENT_PUSHED,
+#endif
+ DRAW_PLAYER_STAGE_ELEMENT_OVER_PLAYER,
+ DRAW_PLAYER_STAGE_FIELD_OVER_PLAYER,
+
+ NUM_DRAW_PLAYER_STAGES
+};
+
+static void DrawPlayerExt(struct PlayerInfo *player, int drawing_stage)
+{
+ static int static_last_player_graphic[MAX_PLAYERS];
+ static int static_last_player_frame[MAX_PLAYERS];
+ static boolean static_player_is_opaque[MAX_PLAYERS];
+ static boolean draw_player[MAX_PLAYERS];
+ int pnr = player->index_nr;
+
+ if (drawing_stage == DRAW_PLAYER_STAGE_INIT)
+ {
+ static_last_player_graphic[pnr] = getPlayerGraphic(player, player->MovDir);
+ static_last_player_frame[pnr] = player->Frame;
+ static_player_is_opaque[pnr] = FALSE;
+
+ draw_player[pnr] = TRUE;
+ }
+
+ if (!draw_player[pnr])
+ return;
+
+#if DEBUG
+ if (!IN_LEV_FIELD(player->jx, player->jy))
+ {
+ Debug("draw:DrawPlayerExt", "x = %d, y = %d", player->jx, player->jy);
+ Debug("draw:DrawPlayerExt", "This should never happen!");
+
+ draw_player[pnr] = FALSE;
+
+ return;
+ }
+#endif
+
+ int last_player_graphic = static_last_player_graphic[pnr];
+ int last_player_frame = static_last_player_frame[pnr];
+ boolean player_is_opaque = static_player_is_opaque[pnr];
+
+ int jx = player->jx;
+ int jy = player->jy;
+ int move_dir = (player->is_waiting ? player->dir_waiting : player->MovDir);
+ int dx = (move_dir == MV_LEFT ? -1 : move_dir == MV_RIGHT ? +1 : 0);
+ int dy = (move_dir == MV_UP ? -1 : move_dir == MV_DOWN ? +1 : 0);
+ int last_jx = (player->is_moving ? jx - dx : jx);
+ int last_jy = (player->is_moving ? jy - dy : jy);
+ int next_jx = jx + dx;
+ int next_jy = jy + dy;
+ boolean player_is_moving = (player->MovPos != 0 ? TRUE : FALSE);
+ int sx = SCREENX(jx);
+ int sy = SCREENY(jy);
+ int sxx = (move_dir == MV_LEFT || move_dir == MV_RIGHT ? player->GfxPos : 0);
+ int syy = (move_dir == MV_UP || move_dir == MV_DOWN ? player->GfxPos : 0);
+ int element = Tile[jx][jy];
+ int last_element = Tile[last_jx][last_jy];
+ int action = (player->is_pushing ? ACTION_PUSHING :
+ player->is_digging ? ACTION_DIGGING :
+ player->is_collecting ? ACTION_COLLECTING :
+ player->is_moving ? ACTION_MOVING :
+ player->is_snapping ? ACTION_SNAPPING :
+ player->is_dropping ? ACTION_DROPPING :
+ player->is_waiting ? player->action_waiting :
+ ACTION_DEFAULT);
+
+ if (drawing_stage == DRAW_PLAYER_STAGE_INIT)
+ {
+ // ------------------------------------------------------------------------
+ // initialize drawing the player
+ // ------------------------------------------------------------------------
+
+ draw_player[pnr] = FALSE;
+
+ // GfxElement[][] is set to the element the player is digging or collecting;
+ // remove also for off-screen player if the player is not moving anymore
+ if (IN_LEV_FIELD(jx, jy) && !player_is_moving)
+ GfxElement[jx][jy] = EL_UNDEFINED;
+
+ if (!player->active || !IN_SCR_FIELD(SCREENX(last_jx), SCREENY(last_jy)))
+ return;
+
+ if (element == EL_EXPLOSION)
+ return;
+
+ InitPlayerGfxAnimation(player, action, move_dir);
+
+ draw_player[pnr] = TRUE;
+ }
+ else if (drawing_stage == DRAW_PLAYER_STAGE_LAST_FIELD)
+ {
+ // ------------------------------------------------------------------------
+ // draw things in the field the player is leaving, if needed
+ // ------------------------------------------------------------------------
+
+ if (!IN_SCR_FIELD(sx, sy))
+ draw_player[pnr] = FALSE;
+
+ if (!player->is_moving)
+ return;
+
+ if (Back[last_jx][last_jy] && IS_DRAWABLE(last_element))
+ {
+ DrawLevelElement(last_jx, last_jy, Back[last_jx][last_jy]);
+
+ if (last_element == EL_DYNAMITE_ACTIVE ||
+ last_element == EL_EM_DYNAMITE_ACTIVE ||
+ last_element == EL_SP_DISK_RED_ACTIVE)
+ DrawDynamite(last_jx, last_jy);
+ else
+ DrawLevelFieldThruMask(last_jx, last_jy);
+ }
+ else if (last_element == EL_DYNAMITE_ACTIVE ||
+ last_element == EL_EM_DYNAMITE_ACTIVE ||
+ last_element == EL_SP_DISK_RED_ACTIVE)
+ DrawDynamite(last_jx, last_jy);
+ else
+ DrawLevelField(last_jx, last_jy);
+
+ if (player->is_pushing && IN_SCR_FIELD(SCREENX(next_jx), SCREENY(next_jy)))
+ DrawLevelElement(next_jx, next_jy, EL_EMPTY);
+ }
+ else if (drawing_stage == DRAW_PLAYER_STAGE_FIELD_UNDER_PLAYER)
+ {
+ // ------------------------------------------------------------------------
+ // draw things behind the player, if needed
+ // ------------------------------------------------------------------------
+
+ if (Back[jx][jy])
+ {
+ DrawLevelElement(jx, jy, Back[jx][jy]);
+
+ return;
+ }
+
+ if (IS_ACTIVE_BOMB(element))
+ {
+ DrawLevelElement(jx, jy, EL_EMPTY);
+
+ return;
+ }
+
+ if (player_is_moving && GfxElement[jx][jy] != EL_UNDEFINED)
+ {
+ int old_element = GfxElement[jx][jy];
+ int old_graphic = el_act_dir2img(old_element, action, move_dir);
+ int frame = getGraphicAnimationFrame(old_graphic, player->StepFrame);
+
+ if (GFX_CRUMBLED(old_element))
+ DrawLevelFieldCrumbledDigging(jx, jy, move_dir, player->StepFrame);
+ else
+ DrawScreenGraphic(sx, sy, old_graphic, frame);
+
+ if (graphic_info[old_graphic].anim_mode & ANIM_OPAQUE_PLAYER)
+ static_player_is_opaque[pnr] = TRUE;
+ }
+ else
+ {
+ GfxElement[jx][jy] = EL_UNDEFINED;
+
+ // make sure that pushed elements are drawn with correct frame rate
+ int graphic = el_act_dir2img(element, ACTION_PUSHING, move_dir);
+
+ if (player->is_pushing && player->is_moving && !IS_ANIM_MODE_CE(graphic))
+ GfxFrame[jx][jy] = player->StepFrame;
+
+ DrawLevelField(jx, jy);
+ }
+ }
+ else if (drawing_stage == DRAW_PLAYER_STAGE_ELEMENT_PUSHED)
+ {
+ // ------------------------------------------------------------------------
+ // draw things the player is pushing, if needed
+ // ------------------------------------------------------------------------
+
+ if (!player->is_pushing || !player->is_moving)
+ return;
+
+ int gfx_frame = GfxFrame[jx][jy];
+
+ if (!IS_MOVING(jx, jy)) // push movement already finished
+ {
+ element = Tile[next_jx][next_jy];
+ gfx_frame = GfxFrame[next_jx][next_jy];
+ }
+
+ int graphic = el_act_dir2img(element, ACTION_PUSHING, move_dir);
+ int sync_frame = (IS_ANIM_MODE_CE(graphic) ? gfx_frame : player->StepFrame);
+ int frame = getGraphicAnimationFrame(graphic, sync_frame);
+
+ // draw background element under pushed element (like the Sokoban field)
+ if (game.use_masked_pushing && IS_MOVING(jx, jy))
+ {
+ // this allows transparent pushing animation over non-black background
+
+ if (Back[jx][jy])
+ DrawLevelElement(jx, jy, Back[jx][jy]);
+ else
+ DrawLevelElement(jx, jy, EL_EMPTY);
+
+ if (Back[next_jx][next_jy])
+ DrawLevelElement(next_jx, next_jy, Back[next_jx][next_jy]);
+ else
+ DrawLevelElement(next_jx, next_jy, EL_EMPTY);
+ }
+ else if (Back[next_jx][next_jy])
+ DrawLevelElement(next_jx, next_jy, Back[next_jx][next_jy]);
+
+ int px = SCREENX(jx), py = SCREENY(jy);
+ int pxx = (TILEX - ABS(sxx)) * dx;
+ int pyy = (TILEY - ABS(syy)) * dy;
+
+#if 1
+ // do not draw (EM style) pushing animation when pushing is finished
+ // (two-tile animations usually do not contain start and end frame)
+ if (graphic_info[graphic].double_movement && !IS_MOVING(jx, jy))
+ DrawLevelElement(next_jx, next_jy, Tile[next_jx][next_jy]);
+ else
+ DrawGraphicShiftedThruMask(px, py, pxx, pyy, graphic, frame, NO_CUTTING);
+#else
+ // masked drawing is needed for EMC style (double) movement graphics
+ // !!! (ONLY WHEN DRAWING PUSHED ELEMENT OVER THE PLAYER) !!!
+ DrawGraphicShiftedThruMask(px, py, pxx, pyy, graphic, frame, NO_CUTTING);
+#endif
+ }
+ else if (drawing_stage == DRAW_PLAYER_STAGE_PLAYER)
+ {
+ // ------------------------------------------------------------------------
+ // draw player himself
+ // ------------------------------------------------------------------------
+
+ int graphic = getPlayerGraphic(player, move_dir);
+
+ // in the case of changed player action or direction, prevent the current
+ // animation frame from being restarted for identical animations
+ if (player->Frame == 0 && equalGraphics(graphic, last_player_graphic))
+ player->Frame = last_player_frame;
+
+ int frame = getGraphicAnimationFrame(graphic, player->Frame);
+
+ if (player_is_opaque)
+ DrawGraphicShifted(sx,sy, sxx,syy, graphic, frame, NO_CUTTING,NO_MASKING);
+ else
+ DrawGraphicShiftedThruMask(sx, sy, sxx, syy, graphic, frame, NO_CUTTING);
+
+ if (SHIELD_ON(player))
+ {
+ graphic = (player->shield_deadly_time_left ? IMG_SHIELD_DEADLY_ACTIVE :
+ IMG_SHIELD_NORMAL_ACTIVE);
+ frame = getGraphicAnimationFrame(graphic, -1);
+
+ DrawGraphicShiftedThruMask(sx, sy, sxx, syy, graphic, frame, NO_CUTTING);
+ }
+ }
+ else if (drawing_stage == DRAW_PLAYER_STAGE_ELEMENT_OVER_PLAYER)
+ {
+ // ------------------------------------------------------------------------
+ // draw things in front of player (active dynamite or dynabombs)
+ // ------------------------------------------------------------------------
+
+ if (IS_ACTIVE_BOMB(element))
+ {
+ int graphic = el2img(element);
+ int frame = getGraphicAnimationFrameXY(graphic, jx, jy);
+
+ if (game.emulation == EMU_SUPAPLEX)
+ DrawGraphic(sx, sy, IMG_SP_DISK_RED, frame);
+ else
+ DrawGraphicThruMask(sx, sy, graphic, frame);
+ }
+
+ if (player_is_moving && last_element == EL_EXPLOSION)
+ {
+ int element = (GfxElement[last_jx][last_jy] != EL_UNDEFINED ?
+ GfxElement[last_jx][last_jy] : EL_EMPTY);
+ int graphic = el_act2img(element, ACTION_EXPLODING);
+ int delay = (game.emulation == EMU_SUPAPLEX ? 3 : 2);
+ int phase = ExplodePhase[last_jx][last_jy] - 1;
+ int frame = getGraphicAnimationFrame(graphic, phase - delay);
+
+ if (phase >= delay)
+ DrawGraphicThruMask(SCREENX(last_jx), SCREENY(last_jy), graphic, frame);
+ }
+ }
+ else if (drawing_stage == DRAW_PLAYER_STAGE_FIELD_OVER_PLAYER)
+ {
+ // ------------------------------------------------------------------------
+ // draw elements the player is just walking/passing through/under
+ // ------------------------------------------------------------------------
+
+ if (player_is_moving)
+ {
+ // handle the field the player is leaving ...
+ if (IS_ACCESSIBLE_INSIDE(last_element))
+ DrawLevelField(last_jx, last_jy);
+ else if (IS_ACCESSIBLE_UNDER(last_element))
+ DrawLevelFieldThruMask(last_jx, last_jy);
+ }
+
+ // do not redraw accessible elements if the player is just pushing them
+ if (!player_is_moving || !player->is_pushing)
+ {
+ // ... and the field the player is entering
+ if (IS_ACCESSIBLE_INSIDE(element))
+ DrawLevelField(jx, jy);
+ else if (IS_ACCESSIBLE_UNDER(element))
+ DrawLevelFieldThruMask(jx, jy);
+ }
+
+ MarkTileDirty(sx, sy);
+ }
+}
+
+void DrawPlayer(struct PlayerInfo *player)
+{
+ int i;
+
+ for (i = 0; i < NUM_DRAW_PLAYER_STAGES; i++)
+ DrawPlayerExt(player, i);
+}
+
+void DrawAllPlayers(void)
+{
+ int i, j;
+
+ for (i = 0; i < NUM_DRAW_PLAYER_STAGES; i++)
+ for (j = 0; j < MAX_PLAYERS; j++)
+ if (stored_player[j].active)
+ DrawPlayerExt(&stored_player[j], i);
+}
+
+void DrawPlayerField(int x, int y)
+{
+ if (!IS_PLAYER(x, y))
+ return;
+
+ DrawPlayer(PLAYERINFO(x, y));
+}
+
+// ----------------------------------------------------------------------------
+
+void WaitForEventToContinue(void)
+{
+ boolean first_wait = TRUE;
+ boolean still_wait = TRUE;
+
+ if (program.headless)
+ return;
+
+ // simulate releasing mouse button over last gadget, if still pressed
+ if (button_status)
+ HandleGadgets(-1, -1, 0);
+
+ button_status = MB_RELEASED;
+
+ ClearEventQueue();
+ ClearPlayerAction();
+
+ while (still_wait)
+ {
+ Event event;
+
+ if (NextValidEvent(&event))
+ {
+ switch (event.type)
+ {
+ case EVENT_BUTTONPRESS:
+ case EVENT_FINGERPRESS:
+ first_wait = FALSE;
+ break;
+
+ case EVENT_BUTTONRELEASE:
+ case EVENT_FINGERRELEASE:
+ still_wait = first_wait;
+ break;
+
+ case EVENT_KEYPRESS:
+ case SDL_CONTROLLERBUTTONDOWN:
+ case SDL_JOYBUTTONDOWN:
+ still_wait = FALSE;
+ break;
+
+ default:
+ HandleOtherEvents(&event);
+ break;
+ }
+ }
+ else if (AnyJoystickButton() == JOY_BUTTON_NEW_PRESSED)
+ {
+ still_wait = FALSE;
+ }
+
+ if (!PendingEvent())
+ BackToFront();
+ }
+}
+
+#define MAX_REQUEST_LINES 13
+#define MAX_REQUEST_LINE_FONT1_LEN 7
+#define MAX_REQUEST_LINE_FONT2_LEN 10
+
+static int RequestHandleEvents(unsigned int req_state, int draw_buffer_game)
+{
+ boolean game_just_ended = (game_status == GAME_MODE_PLAYING &&
+ checkGameEnded());
+ int draw_buffer_last = GetDrawtoField();
+ int width = request.width;
+ int height = request.height;
+ int sx, sy;
+ int result;
+
+ // when showing request dialog after game ended, deactivate game panel
+ if (game_just_ended)
+ game.panel.active = FALSE;
+
+ game.request_active = TRUE;
+
+ setRequestPosition(&sx, &sy, FALSE);
+
+ button_status = MB_RELEASED;
+
+ request_gadget_id = -1;
+ result = -1;
+
+ while (result < 0)
+ {
+ boolean event_handled = FALSE;
+
+ if (game_just_ended)
+ {
+ SetDrawtoField(draw_buffer_game);
+
+ HandleGameActions();
+
+ SetDrawtoField(DRAW_TO_BACKBUFFER);
+
+ if (global.use_envelope_request)
+ {
+ // copy current state of request area to middle of playfield area
+ BlitBitmap(bitmap_db_store_2, drawto, sx, sy, width, height, sx, sy);
+ }
+ }
+
+ if (PendingEvent())
+ {
+ Event event;
+
+ while (NextValidEvent(&event))
+ {
+ event_handled = TRUE;
+
+ switch (event.type)
+ {
+ case EVENT_BUTTONPRESS:
+ case EVENT_BUTTONRELEASE:
+ case EVENT_MOTIONNOTIFY:
+ {
+ int mx, my;
+
+ if (event.type == EVENT_MOTIONNOTIFY)
+ {
+ if (!button_status)
+ continue;
+
+ motion_status = TRUE;
+ mx = ((MotionEvent *) &event)->x;
+ my = ((MotionEvent *) &event)->y;
+ }
+ else
+ {
+ motion_status = FALSE;
+ mx = ((ButtonEvent *) &event)->x;
+ my = ((ButtonEvent *) &event)->y;
+ if (event.type == EVENT_BUTTONPRESS)
+ button_status = ((ButtonEvent *) &event)->button;
+ else
+ button_status = MB_RELEASED;
+ }
+
+ // this sets 'request_gadget_id'
+ HandleGadgets(mx, my, button_status);
+
+ switch (request_gadget_id)
+ {
+ case TOOL_CTRL_ID_YES:
+ case TOOL_CTRL_ID_TOUCH_YES:
+ result = TRUE;
+ break;
+ case TOOL_CTRL_ID_NO:
+ case TOOL_CTRL_ID_TOUCH_NO:
+ result = FALSE;
+ break;
+ case TOOL_CTRL_ID_CONFIRM:
+ case TOOL_CTRL_ID_TOUCH_CONFIRM:
+ result = TRUE | FALSE;
+ break;
+
+ case TOOL_CTRL_ID_PLAYER_1:
+ result = 1;
+ break;
+ case TOOL_CTRL_ID_PLAYER_2:
+ result = 2;
+ break;
+ case TOOL_CTRL_ID_PLAYER_3:
+ result = 3;
+ break;
+ case TOOL_CTRL_ID_PLAYER_4:
+ result = 4;
+ break;
+
+ default:
+ // only check clickable animations if no request gadget clicked
+ HandleGlobalAnimClicks(mx, my, button_status, FALSE);
+ break;
+ }
+
+ break;
+ }
+
+ case SDL_WINDOWEVENT:
+ HandleWindowEvent((WindowEvent *) &event);
+ break;
+
+ case SDL_APP_WILLENTERBACKGROUND:
+ case SDL_APP_DIDENTERBACKGROUND:
+ case SDL_APP_WILLENTERFOREGROUND:
+ case SDL_APP_DIDENTERFOREGROUND:
+ HandlePauseResumeEvent((PauseResumeEvent *) &event);
+ break;
+
+ case EVENT_KEYPRESS:
+ {
+ Key key = GetEventKey((KeyEvent *)&event);
+
+ switch (key)
+ {
+ case KSYM_space:
+ if (req_state & REQ_CONFIRM)
+ result = 1;
+ break;
+
+ case KSYM_Return:
+ case KSYM_y:
+ case KSYM_Y:
+ case KSYM_Select:
+ case KSYM_Menu:
+#if defined(KSYM_Rewind)
+ case KSYM_Rewind: // for Amazon Fire TV remote
+#endif
+ result = 1;
+ break;
+
+ case KSYM_Escape:
+ case KSYM_n:
+ case KSYM_N:
+ case KSYM_Back:
+#if defined(KSYM_FastForward)
+ case KSYM_FastForward: // for Amazon Fire TV remote
+#endif
+ result = 0;
+ break;
+
+ default:
+ HandleKeysDebug(key, KEY_PRESSED);
+ break;
+ }
+
+ if (req_state & REQ_PLAYER)
+ {
+ int old_player_nr = setup.network_player_nr;
+
+ if (result != -1)
+ result = old_player_nr + 1;
+
+ switch (key)
+ {
+ case KSYM_space:
+ result = old_player_nr + 1;
+ break;
+
+ case KSYM_Up:
+ case KSYM_1:
+ result = 1;
+ break;
+
+ case KSYM_Right:
+ case KSYM_2:
+ result = 2;
+ break;
+
+ case KSYM_Down:
+ case KSYM_3:
+ result = 3;
+ break;
+
+ case KSYM_Left:
+ case KSYM_4:
+ result = 4;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ break;
+ }
+
+ case EVENT_FINGERRELEASE:
+ case EVENT_KEYRELEASE:
+ ClearPlayerAction();
+ break;
+
+ case SDL_CONTROLLERBUTTONDOWN:
+ switch (event.cbutton.button)
+ {
+ case SDL_CONTROLLER_BUTTON_A:
+ case SDL_CONTROLLER_BUTTON_X:
+ case SDL_CONTROLLER_BUTTON_LEFTSHOULDER:
+ case SDL_CONTROLLER_BUTTON_LEFTSTICK:
+ result = 1;
+ break;
+
+ case SDL_CONTROLLER_BUTTON_B:
+ case SDL_CONTROLLER_BUTTON_Y:
+ case SDL_CONTROLLER_BUTTON_RIGHTSHOULDER:
+ case SDL_CONTROLLER_BUTTON_RIGHTSTICK:
+ case SDL_CONTROLLER_BUTTON_BACK:
+ result = 0;
+ break;
+ }
+
+ if (req_state & REQ_PLAYER)
+ {
+ int old_player_nr = setup.network_player_nr;
+
+ if (result != -1)
+ result = old_player_nr + 1;
+
+ switch (event.cbutton.button)
+ {
+ case SDL_CONTROLLER_BUTTON_DPAD_UP:
+ case SDL_CONTROLLER_BUTTON_Y:
+ result = 1;
+ break;
+
+ case SDL_CONTROLLER_BUTTON_DPAD_RIGHT:
+ case SDL_CONTROLLER_BUTTON_B:
+ result = 2;
+ break;
+
+ case SDL_CONTROLLER_BUTTON_DPAD_DOWN:
+ case SDL_CONTROLLER_BUTTON_A:
+ result = 3;
+ break;
+
+ case SDL_CONTROLLER_BUTTON_DPAD_LEFT:
+ case SDL_CONTROLLER_BUTTON_X:
+ result = 4;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ break;
+
+ case SDL_CONTROLLERBUTTONUP:
+ HandleJoystickEvent(&event);
+ ClearPlayerAction();
+ break;
+
+ default:
+ HandleOtherEvents(&event);
+ break;
+ }
+ }
+ }
+ else if (AnyJoystickButton() == JOY_BUTTON_NEW_PRESSED)
+ {
+ int joy = AnyJoystick();
+
+ if (joy & JOY_BUTTON_1)
+ result = 1;
+ else if (joy & JOY_BUTTON_2)
+ result = 0;
+ }
+ else if (AnyJoystick())
+ {
+ int joy = AnyJoystick();
+
+ if (req_state & REQ_PLAYER)
+ {
+ if (joy & JOY_UP)
+ result = 1;
+ else if (joy & JOY_RIGHT)
+ result = 2;
+ else if (joy & JOY_DOWN)
+ result = 3;
+ else if (joy & JOY_LEFT)
+ result = 4;
+ }
+ }
+
+ if (event_handled)
+ {
+ if (game_just_ended)
+ {
+ if (global.use_envelope_request)
+ {
+ // copy back current state of pressed buttons inside request area
+ BlitBitmap(drawto, bitmap_db_store_2, sx, sy, width, height, sx, sy);
+ }
+ }
+
+ PrepareEnvelopeRequestToScreen(drawto, sx, sy, width, height);
+ }
+
+ BackToFront();
+ }
+
+ SetDrawtoField(draw_buffer_last);
+
+ game.request_active = FALSE;
+
+ return result;
+}
+
+static boolean RequestDoor(char *text, unsigned int req_state)
+{
+ int draw_buffer_last = GetDrawtoField();
+ unsigned int old_door_state;
+ int max_request_line_len = MAX_REQUEST_LINE_FONT1_LEN;
+ int font_nr = FONT_TEXT_2;
+ char *text_ptr;
+ int result;
+ int ty;
+
+ if (maxWordLengthInRequestString(text) > MAX_REQUEST_LINE_FONT1_LEN)
+ {
+ max_request_line_len = MAX_REQUEST_LINE_FONT2_LEN;
+ font_nr = FONT_TEXT_1;
+ }
+
+ if (game_status == GAME_MODE_PLAYING)
+ BlitScreenToBitmap(backbuffer);
+
+ // disable deactivated drawing when quick-loading level tape recording
+ if (tape.playing && tape.deactivate_display)
+ TapeDeactivateDisplayOff(TRUE);
+
+ SetMouseCursor(CURSOR_DEFAULT);
+
+ // pause network game while waiting for request to answer
+ if (network.enabled &&
+ game_status == GAME_MODE_PLAYING &&
+ !game.all_players_gone &&
+ req_state & REQUEST_WAIT_FOR_INPUT)
+ SendToServer_PausePlaying();
+
+ old_door_state = GetDoorState();
+
+ // simulate releasing mouse button over last gadget, if still pressed
+ if (button_status)
+ HandleGadgets(-1, -1, 0);
+
+ UnmapAllGadgets();
+
+ // draw released gadget before proceeding
+ // BackToFront();
+
+ if (old_door_state & DOOR_OPEN_1)
+ {
+ CloseDoor(DOOR_CLOSE_1);
+
+ // save old door content
+ BlitBitmap(bitmap_db_door_1, bitmap_db_door_1,
+ 0 * DXSIZE, 0, DXSIZE, DYSIZE, 1 * DXSIZE, 0);
+ }
+
+ SetDoorBackgroundImage(IMG_BACKGROUND_DOOR);
+ SetDrawBackgroundMask(REDRAW_FIELD | REDRAW_DOOR_1);
+
+ // clear door drawing field
+ DrawBackground(DX, DY, DXSIZE, DYSIZE);
+
+ // force DOOR font inside door area
+ SetFontStatus(GAME_MODE_PSEUDO_DOOR);
+
+ // write text for request
+ for (text_ptr = text, ty = 0; ty < MAX_REQUEST_LINES; ty++)
+ {
+ char text_line[max_request_line_len + 1];
+ int tx, tl, tc = 0;
+
+ if (!*text_ptr)
+ break;
+
+ for (tl = 0, tx = 0; tx < max_request_line_len; tl++, tx++)
+ {
+ tc = *(text_ptr + tx);
+ // if (!tc || tc == ' ')
+ if (!tc || tc == ' ' || tc == '?' || tc == '!')
+ break;
+ }
+
+ if ((tc == '?' || tc == '!') && tl == 0)
+ tl = 1;
+
+ if (!tl)
+ {
+ text_ptr++;
+ ty--;
+ continue;
+ }
+
+ strncpy(text_line, text_ptr, tl);
+ text_line[tl] = 0;
+
+ DrawText(DX + (DXSIZE - tl * getFontWidth(font_nr)) / 2,
+ DY + 8 + ty * (getFontHeight(font_nr) + 2),
+ text_line, font_nr);
+
+ text_ptr += tl + (tc == ' ' ? 1 : 0);
+ // text_ptr += tl + (tc == ' ' || tc == '?' || tc == '!' ? 1 : 0);
+ }
+
+ ResetFontStatus();
+
+ if (req_state & REQ_ASK)
+ {
+ MapGadget(tool_gadget[TOOL_CTRL_ID_YES]);
+ MapGadget(tool_gadget[TOOL_CTRL_ID_NO]);
+ MapGadget(tool_gadget[TOOL_CTRL_ID_TOUCH_YES]);
+ MapGadget(tool_gadget[TOOL_CTRL_ID_TOUCH_NO]);
+ }
+ else if (req_state & REQ_CONFIRM)
+ {
+ MapGadget(tool_gadget[TOOL_CTRL_ID_CONFIRM]);
+ MapGadget(tool_gadget[TOOL_CTRL_ID_TOUCH_CONFIRM]);
+ }
+ else if (req_state & REQ_PLAYER)
+ {
+ MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_1]);
+ MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_2]);
+ MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_3]);
+ MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_4]);
+ }
+
+ // copy request gadgets to door backbuffer
+ BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
+
+ OpenDoor(DOOR_OPEN_1);
+
+ if (!(req_state & REQUEST_WAIT_FOR_INPUT))
+ {
+ if (game_status == GAME_MODE_PLAYING)
+ {
+ SetPanelBackground();
+ SetDrawBackgroundMask(REDRAW_DOOR_1);
+ }
+ else
+ {
+ SetDrawBackgroundMask(REDRAW_FIELD);
+ }
+
+ return FALSE;
+ }
+
+ SetDrawBackgroundMask(REDRAW_FIELD | REDRAW_DOOR_1);
+
+ // ---------- handle request buttons ----------
+ result = RequestHandleEvents(req_state, draw_buffer_last);
+
+ UnmapToolButtons();
+
+ if (!(req_state & REQ_STAY_OPEN))
+ {
+ CloseDoor(DOOR_CLOSE_1);
+
+ if (((old_door_state & DOOR_OPEN_1) && !(req_state & REQ_STAY_CLOSED)) ||
+ (req_state & REQ_REOPEN))
+ OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
+ }
+
+ RemapAllGadgets();
+
+ if (game_status == GAME_MODE_PLAYING)
+ {
+ SetPanelBackground();
+ SetDrawBackgroundMask(REDRAW_DOOR_1);
+ }
+ else
+ {
+ SetDrawBackgroundMask(REDRAW_FIELD);
+ }
+
+ // continue network game after request
+ if (network.enabled &&
+ game_status == GAME_MODE_PLAYING &&
+ !game.all_players_gone &&
+ req_state & REQUEST_WAIT_FOR_INPUT)
+ SendToServer_ContinuePlaying();
+
+ // restore deactivated drawing when quick-loading level tape recording
+ if (tape.playing && tape.deactivate_display)
+ TapeDeactivateDisplayOn();
+
+ return result;
+}
+
+static boolean RequestEnvelope(char *text, unsigned int req_state)
+{
+ int draw_buffer_last = GetDrawtoField();
+ int result;
+
+ if (game_status == GAME_MODE_PLAYING)
+ BlitScreenToBitmap(backbuffer);
+
+ // disable deactivated drawing when quick-loading level tape recording
+ if (tape.playing && tape.deactivate_display)
+ TapeDeactivateDisplayOff(TRUE);
+
+ SetMouseCursor(CURSOR_DEFAULT);
+
+ // pause network game while waiting for request to answer
+ if (network.enabled &&
+ game_status == GAME_MODE_PLAYING &&
+ !game.all_players_gone &&
+ req_state & REQUEST_WAIT_FOR_INPUT)
+ SendToServer_PausePlaying();
+
+ // simulate releasing mouse button over last gadget, if still pressed
+ if (button_status)
+ HandleGadgets(-1, -1, 0);
+
+ UnmapAllGadgets();
+
+ // (replace with setting corresponding request background)
+ // SetDoorBackgroundImage(IMG_BACKGROUND_DOOR);
+ // SetDrawBackgroundMask(REDRAW_FIELD | REDRAW_DOOR_1);
+
+ // clear door drawing field
+ // DrawBackground(DX, DY, DXSIZE, DYSIZE);
+
+ ShowEnvelopeRequest(text, req_state, ACTION_OPENING);
+
+ if (!(req_state & REQUEST_WAIT_FOR_INPUT))
+ {
+ if (game_status == GAME_MODE_PLAYING)
+ {
+ SetPanelBackground();
+ SetDrawBackgroundMask(REDRAW_DOOR_1);
+ }
+ else
+ {
+ SetDrawBackgroundMask(REDRAW_FIELD);
+ }
+
+ return FALSE;
+ }
+
+ SetDrawBackgroundMask(REDRAW_FIELD | REDRAW_DOOR_1);
+
+ // ---------- handle request buttons ----------
+ result = RequestHandleEvents(req_state, draw_buffer_last);
+
+ UnmapToolButtons();
+
+ ShowEnvelopeRequest(text, req_state, ACTION_CLOSING);
+
+ RemapAllGadgets();
+
+ if (game_status == GAME_MODE_PLAYING)
+ {
+ SetPanelBackground();
+ SetDrawBackgroundMask(REDRAW_DOOR_1);
+ }
+ else
+ {
+ SetDrawBackgroundMask(REDRAW_FIELD);
+ }
+
+ // continue network game after request
+ if (network.enabled &&
+ game_status == GAME_MODE_PLAYING &&
+ !game.all_players_gone &&
+ req_state & REQUEST_WAIT_FOR_INPUT)
+ SendToServer_ContinuePlaying();
+
+ // restore deactivated drawing when quick-loading level tape recording
+ if (tape.playing && tape.deactivate_display)
+ TapeDeactivateDisplayOn();
+
+ return result;
+}
+
+boolean Request(char *text, unsigned int req_state)
+{
+ boolean overlay_enabled = GetOverlayEnabled();
+ boolean result;
+
+ game.request_active_or_moving = TRUE;
+
+ SetOverlayEnabled(FALSE);
+
+ if (global.use_envelope_request)
+ result = RequestEnvelope(text, req_state);
+ else
+ result = RequestDoor(text, req_state);
+
+ SetOverlayEnabled(overlay_enabled);
+
+ game.request_active_or_moving = FALSE;
+
+ return result;
+}
+
+static int compareDoorPartOrderInfo(const void *object1, const void *object2)
+{
+ const struct DoorPartOrderInfo *dpo1 = (struct DoorPartOrderInfo *)object1;
+ const struct DoorPartOrderInfo *dpo2 = (struct DoorPartOrderInfo *)object2;
+ int compare_result;
+
+ if (dpo1->sort_priority != dpo2->sort_priority)
+ compare_result = dpo1->sort_priority - dpo2->sort_priority;
+ else
+ compare_result = dpo1->nr - dpo2->nr;
+
+ return compare_result;
+}
+
+void InitGraphicCompatibilityInfo_Doors(void)
+{
+ struct
+ {
+ int door_token;
+ int part_1, part_8;
+ struct DoorInfo *door;
+ }
+ doors[] =
+ {
+ { DOOR_1, IMG_GFX_DOOR_1_PART_1, IMG_GFX_DOOR_1_PART_8, &door_1 },
+ { DOOR_2, IMG_GFX_DOOR_2_PART_1, IMG_GFX_DOOR_2_PART_8, &door_2 },
+
+ { -1, -1, -1, NULL }
+ };
+ struct Rect door_rect_list[] =
+ {
+ { DX, DY, DXSIZE, DYSIZE },
+ { VX, VY, VXSIZE, VYSIZE }
+ };
+ int i, j;
+
+ for (i = 0; doors[i].door_token != -1; i++)
+ {
+ int door_token = doors[i].door_token;
+ int door_index = DOOR_INDEX_FROM_TOKEN(door_token);
+ int part_1 = doors[i].part_1;
+ int part_8 = doors[i].part_8;
+ int part_2 = part_1 + 1;
+ int part_3 = part_1 + 2;
+ struct DoorInfo *door = doors[i].door;
+ struct Rect *door_rect = &door_rect_list[door_index];
+ boolean door_gfx_redefined = FALSE;
+
+ // check if any door part graphic definitions have been redefined
+
+ for (j = 0; door_part_controls[j].door_token != -1; j++)
+ {
+ struct DoorPartControlInfo *dpc = &door_part_controls[j];
+ struct FileInfo *fi = getImageListEntryFromImageID(dpc->graphic);
+
+ if (dpc->door_token == door_token && fi->redefined)
+ door_gfx_redefined = TRUE;
+ }
+
+ // check for old-style door graphic/animation modifications
+
+ if (!door_gfx_redefined)
+ {
+ if (door->anim_mode & ANIM_STATIC_PANEL)
+ {
+ door->panel.step_xoffset = 0;
+ door->panel.step_yoffset = 0;
+ }
+
+ if (door->anim_mode & (ANIM_HORIZONTAL | ANIM_VERTICAL))
+ {
+ struct GraphicInfo *g_part_1 = &graphic_info[part_1];
+ struct GraphicInfo *g_part_2 = &graphic_info[part_2];
+ int num_door_steps, num_panel_steps;
+
+ // remove door part graphics other than the two default wings
+
+ for (j = 0; door_part_controls[j].door_token != -1; j++)
+ {
+ struct DoorPartControlInfo *dpc = &door_part_controls[j];
+ struct GraphicInfo *g = &graphic_info[dpc->graphic];
+
+ if (dpc->graphic >= part_3 &&
+ dpc->graphic <= part_8)
+ g->bitmap = NULL;
+ }
+
+ // set graphics and screen positions of the default wings
+
+ g_part_1->width = door_rect->width;
+ g_part_1->height = door_rect->height;
+ g_part_2->width = door_rect->width;
+ g_part_2->height = door_rect->height;
+ g_part_2->src_x = door_rect->width;
+ g_part_2->src_y = g_part_1->src_y;
+
+ door->part_2.x = door->part_1.x;
+ door->part_2.y = door->part_1.y;
+
+ if (door->width != -1)
+ {
+ g_part_1->width = door->width;
+ g_part_2->width = door->width;
+
+ // special treatment for graphics and screen position of right wing
+ g_part_2->src_x += door_rect->width - door->width;
+ door->part_2.x += door_rect->width - door->width;
+ }
+
+ if (door->height != -1)
+ {
+ g_part_1->height = door->height;
+ g_part_2->height = door->height;
+
+ // special treatment for graphics and screen position of bottom wing
+ g_part_2->src_y += door_rect->height - door->height;
+ door->part_2.y += door_rect->height - door->height;
+ }
+
+ // set animation delays for the default wings and panels
+
+ door->part_1.step_delay = door->step_delay;
+ door->part_2.step_delay = door->step_delay;
+ door->panel.step_delay = door->step_delay;
+
+ // set animation draw order for the default wings
+
+ door->part_1.sort_priority = 2; // draw left wing over ...
+ door->part_2.sort_priority = 1; // ... right wing
+
+ // set animation draw offset for the default wings
+
+ if (door->anim_mode & ANIM_HORIZONTAL)
+ {
+ door->part_1.step_xoffset = door->step_offset;
+ door->part_1.step_yoffset = 0;
+ door->part_2.step_xoffset = door->step_offset * -1;
+ door->part_2.step_yoffset = 0;
+
+ num_door_steps = g_part_1->width / door->step_offset;
+ }
+ else // ANIM_VERTICAL
+ {
+ door->part_1.step_xoffset = 0;
+ door->part_1.step_yoffset = door->step_offset;
+ door->part_2.step_xoffset = 0;
+ door->part_2.step_yoffset = door->step_offset * -1;
+
+ num_door_steps = g_part_1->height / door->step_offset;
+ }
+
+ // set animation draw offset for the default panels
+
+ if (door->step_offset > 1)
+ {
+ num_panel_steps = 2 * door_rect->height / door->step_offset;
+ door->panel.start_step = num_panel_steps - num_door_steps;
+ door->panel.start_step_closing = door->panel.start_step;
+ }
+ else
+ {
+ num_panel_steps = door_rect->height / door->step_offset;
+ door->panel.start_step = num_panel_steps - num_door_steps / 2;
+ door->panel.start_step_closing = door->panel.start_step;
+ door->panel.step_delay *= 2;
+ }
+ }
+ }
+ }
+}
+
+void InitDoors(void)
+{
+ int i;
+
+ for (i = 0; door_part_controls[i].door_token != -1; i++)
+ {
+ struct DoorPartControlInfo *dpc = &door_part_controls[i];
+ struct DoorPartOrderInfo *dpo = &door_part_order[i];
+
+ // initialize "start_step_opening" and "start_step_closing", if needed
+ if (dpc->pos->start_step_opening == 0 &&
+ dpc->pos->start_step_closing == 0)
+ {
+ // dpc->pos->start_step_opening = dpc->pos->start_step;
+ dpc->pos->start_step_closing = dpc->pos->start_step;
+ }
+
+ // fill structure for door part draw order (sorted below)
+ dpo->nr = i;
+ dpo->sort_priority = dpc->pos->sort_priority;
+ }
+
+ // sort door part controls according to sort_priority and graphic number
+ qsort(door_part_order, MAX_DOOR_PARTS,
+ sizeof(struct DoorPartOrderInfo), compareDoorPartOrderInfo);
+}
+
+unsigned int OpenDoor(unsigned int door_state)
+{
+ if (door_state & DOOR_COPY_BACK)
+ {
+ if (door_state & DOOR_OPEN_1)
+ BlitBitmap(bitmap_db_door_1, bitmap_db_door_1,
+ 1 * DXSIZE, 0, DXSIZE, DYSIZE, 0 * DXSIZE, 0);
+
+ if (door_state & DOOR_OPEN_2)
+ BlitBitmap(bitmap_db_door_2, bitmap_db_door_2,
+ 1 * VXSIZE, 0, VXSIZE, VYSIZE, 0 * VXSIZE, 0);
+
+ door_state &= ~DOOR_COPY_BACK;
+ }
+
+ return MoveDoor(door_state);
+}
+
+unsigned int CloseDoor(unsigned int door_state)
+{
+ unsigned int old_door_state = GetDoorState();
+
+ if (!(door_state & DOOR_NO_COPY_BACK))
+ {
+ if (old_door_state & DOOR_OPEN_1)
+ BlitBitmap(backbuffer, bitmap_db_door_1,
+ DX, DY, DXSIZE, DYSIZE, 0, 0);
+
+ if (old_door_state & DOOR_OPEN_2)
+ BlitBitmap(backbuffer, bitmap_db_door_2,
+ VX, VY, VXSIZE, VYSIZE, 0, 0);
+
+ door_state &= ~DOOR_NO_COPY_BACK;
+ }
+
+ return MoveDoor(door_state);
+}
+
+unsigned int GetDoorState(void)
+{
+ return MoveDoor(DOOR_GET_STATE);
+}
+
+unsigned int SetDoorState(unsigned int door_state)
+{
+ return MoveDoor(door_state | DOOR_SET_STATE);
+}
+
+static int euclid(int a, int b)
+{
+ return (b ? euclid(b, a % b) : a);
+}
+
+unsigned int MoveDoor(unsigned int door_state)
+{
+ struct Rect door_rect_list[] =
+ {
+ { DX, DY, DXSIZE, DYSIZE },
+ { VX, VY, VXSIZE, VYSIZE }
+ };
+ static int door1 = DOOR_CLOSE_1;
+ static int door2 = DOOR_CLOSE_2;
+ DelayCounter door_delay = { 0 };
+ int i;
+
+ if (door_state == DOOR_GET_STATE)
+ return (door1 | door2);
+
+ if (door_state & DOOR_SET_STATE)
+ {
+ if (door_state & DOOR_ACTION_1)
+ door1 = door_state & DOOR_ACTION_1;
+ if (door_state & DOOR_ACTION_2)
+ door2 = door_state & DOOR_ACTION_2;
+
+ return (door1 | door2);
+ }
+
+ if (!(door_state & DOOR_FORCE_REDRAW))
+ {
+ if (door1 == DOOR_OPEN_1 && door_state & DOOR_OPEN_1)
+ door_state &= ~DOOR_OPEN_1;
+ else if (door1 == DOOR_CLOSE_1 && door_state & DOOR_CLOSE_1)
+ door_state &= ~DOOR_CLOSE_1;
+ if (door2 == DOOR_OPEN_2 && door_state & DOOR_OPEN_2)
+ door_state &= ~DOOR_OPEN_2;
+ else if (door2 == DOOR_CLOSE_2 && door_state & DOOR_CLOSE_2)
+ door_state &= ~DOOR_CLOSE_2;
+ }
+
+ if (global.autoplay_leveldir)
+ {
+ door_state |= DOOR_NO_DELAY;
+ door_state &= ~DOOR_CLOSE_ALL;
+ }
+
+ if (game_status == GAME_MODE_EDITOR && !(door_state & DOOR_FORCE_ANIM))
+ door_state |= DOOR_NO_DELAY;
+
+ if (door_state & DOOR_ACTION)
+ {
+ boolean door_panel_drawn[NUM_DOORS];
+ boolean panel_has_doors[NUM_DOORS];
+ boolean door_part_skip[MAX_DOOR_PARTS];
+ boolean door_part_done[MAX_DOOR_PARTS];
+ boolean door_part_done_all;
+ int num_steps[MAX_DOOR_PARTS];
+ int max_move_delay = 0; // delay for complete animations of all doors
+ int max_step_delay = 0; // delay (ms) between two animation frames
+ int num_move_steps = 0; // number of animation steps for all doors
+ int max_move_delay_doors_only = 0; // delay for doors only (no panel)
+ int num_move_steps_doors_only = 0; // steps for doors only (no panel)
+ int start = 0;
+ int k;
+
+ for (i = 0; i < NUM_DOORS; i++)
+ panel_has_doors[i] = FALSE;
+
+ for (i = 0; i < MAX_DOOR_PARTS; i++)
+ {
+ struct DoorPartControlInfo *dpc = &door_part_controls[i];
+ struct GraphicInfo *g = &graphic_info[dpc->graphic];
+ int door_token = dpc->door_token;
+
+ door_part_done[i] = FALSE;
+ door_part_skip[i] = (!(door_state & door_token) ||
+ !g->bitmap);
+ }
+
+ for (i = 0; i < MAX_DOOR_PARTS; i++)
+ {
+ int nr = door_part_order[i].nr;
+ struct DoorPartControlInfo *dpc = &door_part_controls[nr];
+ struct DoorPartPosInfo *pos = dpc->pos;
+ struct GraphicInfo *g = &graphic_info[dpc->graphic];
+ int door_token = dpc->door_token;
+ int door_index = DOOR_INDEX_FROM_TOKEN(door_token);
+ boolean is_panel = DOOR_PART_IS_PANEL(nr);
+ int step_xoffset = ABS(pos->step_xoffset);
+ int step_yoffset = ABS(pos->step_yoffset);
+ int step_delay = pos->step_delay;
+ int current_door_state = door_state & door_token;
+ boolean door_opening = ((current_door_state & DOOR_OPEN) != 0);
+ boolean door_closing = ((current_door_state & DOOR_CLOSE) != 0);
+ boolean part_opening = (is_panel ? door_closing : door_opening);
+ int start_step = (part_opening ? pos->start_step_opening :
+ pos->start_step_closing);
+ float move_xsize = (step_xoffset ? g->width : 0);
+ float move_ysize = (step_yoffset ? g->height : 0);
+ int move_xsteps = (step_xoffset ? ceil(move_xsize / step_xoffset) : 0);
+ int move_ysteps = (step_yoffset ? ceil(move_ysize / step_yoffset) : 0);
+ int move_steps = (move_xsteps && move_ysteps ?
+ MIN(move_xsteps, move_ysteps) :
+ move_xsteps ? move_xsteps : move_ysteps) - start_step;
+ int move_delay = move_steps * step_delay;
+
+ if (door_part_skip[nr])
+ continue;
+
+ max_move_delay = MAX(max_move_delay, move_delay);
+ max_step_delay = (max_step_delay == 0 ? step_delay :
+ euclid(max_step_delay, step_delay));
+ num_steps[nr] = move_steps;
+
+ if (!is_panel)
+ {
+ max_move_delay_doors_only = MAX(max_move_delay_doors_only, move_delay);
+
+ panel_has_doors[door_index] = TRUE;
+ }
+ }
+
+ max_step_delay = MAX(1, max_step_delay); // prevent division by zero
+
+ num_move_steps = max_move_delay / max_step_delay;
+ num_move_steps_doors_only = max_move_delay_doors_only / max_step_delay;
+
+ door_delay.value = max_step_delay;
+
+ if ((door_state & DOOR_NO_DELAY) || setup.quick_doors)
+ {
+ start = num_move_steps - 1;
+ }
+ else
+ {
+ // opening door sound has priority over simultaneously closing door
+ if (door_state & (DOOR_OPEN_1 | DOOR_OPEN_2))
+ {
+ PlayMenuSoundStereo(SND_DOOR_OPENING, SOUND_MIDDLE);
+
+ if (door_state & DOOR_OPEN_1)
+ PlayMenuSoundStereo(SND_DOOR_1_OPENING, SOUND_MIDDLE);
+ if (door_state & DOOR_OPEN_2)
+ PlayMenuSoundStereo(SND_DOOR_2_OPENING, SOUND_MIDDLE);
+ }
+ else if (door_state & (DOOR_CLOSE_1 | DOOR_CLOSE_2))
+ {
+ PlayMenuSoundStereo(SND_DOOR_CLOSING, SOUND_MIDDLE);
+
+ if (door_state & DOOR_CLOSE_1)
+ PlayMenuSoundStereo(SND_DOOR_1_CLOSING, SOUND_MIDDLE);
+ if (door_state & DOOR_CLOSE_2)
+ PlayMenuSoundStereo(SND_DOOR_2_CLOSING, SOUND_MIDDLE);
+ }
+ }
+
+ for (k = start; k < num_move_steps; k++)
+ {
+ int last_frame = num_move_steps - 1; // last frame of this "for" loop
+
+ door_part_done_all = TRUE;
+
+ for (i = 0; i < NUM_DOORS; i++)
+ door_panel_drawn[i] = FALSE;
+
+ for (i = 0; i < MAX_DOOR_PARTS; i++)
+ {
+ int nr = door_part_order[i].nr;
+ struct DoorPartControlInfo *dpc = &door_part_controls[nr];
+ struct DoorPartPosInfo *pos = dpc->pos;
+ struct GraphicInfo *g = &graphic_info[dpc->graphic];
+ int door_token = dpc->door_token;
+ int door_index = DOOR_INDEX_FROM_TOKEN(door_token);
+ boolean is_panel = DOOR_PART_IS_PANEL(nr);
+ boolean is_panel_and_door_has_closed = FALSE;
+ struct Rect *door_rect = &door_rect_list[door_index];
+ Bitmap *bitmap_db_door = (door_token == DOOR_1 ? bitmap_db_door_1 :
+ bitmap_db_door_2);
+ Bitmap *bitmap = (is_panel ? bitmap_db_door : g->bitmap);
+ int current_door_state = door_state & door_token;
+ boolean door_opening = ((current_door_state & DOOR_OPEN) != 0);
+ boolean door_closing = !door_opening;
+ boolean part_opening = (is_panel ? door_closing : door_opening);
+ boolean part_closing = !part_opening;
+ int start_step = (part_opening ? pos->start_step_opening :
+ pos->start_step_closing);
+ int step_delay = pos->step_delay;
+ int step_factor = step_delay / max_step_delay;
+ int k1 = (step_factor ? k / step_factor + 1 : k);
+ int k2 = (part_opening ? k1 + start_step : num_steps[nr] - k1);
+ int kk = MAX(0, k2);
+ int g_src_x = 0;
+ int g_src_y = 0;
+ int src_x, src_y, src_xx, src_yy;
+ int dst_x, dst_y, dst_xx, dst_yy;
+ int width, height;
+
+ if (door_part_skip[nr])
+ continue;
+
+ if (!(door_state & door_token))
+ continue;
+
+ if (!g->bitmap)
+ continue;
+
+ if (!is_panel)
+ {
+ int k2_door = (door_opening ? k : num_move_steps_doors_only - k - 1);
+ int kk_door = MAX(0, k2_door);
+ int sync_frame = kk_door * door_delay.value;
+ int frame = getGraphicAnimationFrame(dpc->graphic, sync_frame);
+
+ getFixedGraphicSource(dpc->graphic, frame, &bitmap,
+ &g_src_x, &g_src_y);
+ }
+
+ // draw door panel
+
+ if (!door_panel_drawn[door_index])
+ {
+ ClearRectangle(drawto, door_rect->x, door_rect->y,
+ door_rect->width, door_rect->height);
+
+ door_panel_drawn[door_index] = TRUE;
+ }
+
+ // draw opening or closing door parts
+
+ if (pos->step_xoffset < 0) // door part on right side
+ {
+ src_xx = 0;
+ dst_xx = pos->x + ABS(kk * pos->step_xoffset);
+ width = g->width;
+
+ if (dst_xx + width > door_rect->width)
+ width = door_rect->width - dst_xx;
+ }
+ else // door part on left side
+ {
+ src_xx = 0;
+ dst_xx = pos->x - kk * pos->step_xoffset;
+
+ if (dst_xx < 0)
+ {
+ src_xx = ABS(dst_xx);
+ dst_xx = 0;
+ }
+
+ width = g->width - src_xx;
+
+ if (width > door_rect->width)
+ width = door_rect->width;
+
+ // Debug("tools:MoveDoor", "k == %d [%d]", k, start_step);
+ }
+
+ if (pos->step_yoffset < 0) // door part on bottom side
+ {
+ src_yy = 0;
+ dst_yy = pos->y + ABS(kk * pos->step_yoffset);
+ height = g->height;
+
+ if (dst_yy + height > door_rect->height)
+ height = door_rect->height - dst_yy;
+ }
+ else // door part on top side
+ {
+ src_yy = 0;
+ dst_yy = pos->y - kk * pos->step_yoffset;
+
+ if (dst_yy < 0)
+ {
+ src_yy = ABS(dst_yy);
+ dst_yy = 0;
+ }
+
+ height = g->height - src_yy;
+ }
+
+ src_x = g_src_x + src_xx;
+ src_y = g_src_y + src_yy;
+
+ dst_x = door_rect->x + dst_xx;
+ dst_y = door_rect->y + dst_yy;
+
+ is_panel_and_door_has_closed =
+ (is_panel &&
+ door_closing &&
+ panel_has_doors[door_index] &&
+ k >= num_move_steps_doors_only - 1);
+
+ if (width >= 0 && width <= g->width &&
+ height >= 0 && height <= g->height &&
+ !is_panel_and_door_has_closed)
+ {
+ if (is_panel || !pos->draw_masked)
+ BlitBitmap(bitmap, drawto, src_x, src_y, width, height,
+ dst_x, dst_y);
+ else
+ BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height,
+ dst_x, dst_y);
+ }
+
+ redraw_mask |= REDRAW_DOOR_FROM_TOKEN(door_token);
+
+ if ((part_opening && (width < 0 || height < 0)) ||
+ (part_closing && (width >= g->width && height >= g->height)))
+ door_part_done[nr] = TRUE;
+
+ // continue door part animations, but not panel after door has closed
+ if (!door_part_done[nr] && !is_panel_and_door_has_closed)
+ door_part_done_all = FALSE;
+ }
+
+ if (!(door_state & DOOR_NO_DELAY))
+ {
+ BackToFront();
+
+ SkipUntilDelayReached(&door_delay, &k, last_frame);
+
+ // prevent OS (Windows) from complaining about program not responding
+ CheckQuitEvent();
+ }
+
+ if (door_part_done_all)
+ break;
+ }
+
+ if (!(door_state & DOOR_NO_DELAY))
+ {
+ // wait for specified door action post delay
+ if (door_state & DOOR_ACTION_1 && door_state & DOOR_ACTION_2)
+ door_delay.value = MAX(door_1.post_delay, door_2.post_delay);
+ else if (door_state & DOOR_ACTION_1)
+ door_delay.value = door_1.post_delay;
+ else if (door_state & DOOR_ACTION_2)
+ door_delay.value = door_2.post_delay;
+
+ while (!DelayReached(&door_delay))
+ BackToFront();
+ }
+ }
+
+ if (door_state & DOOR_ACTION_1)
+ door1 = door_state & DOOR_ACTION_1;
+ if (door_state & DOOR_ACTION_2)
+ door2 = door_state & DOOR_ACTION_2;
+
+ // draw masked border over door area
+ DrawMaskedBorder(REDRAW_DOOR_1);
+ DrawMaskedBorder(REDRAW_DOOR_2);
+
+ ClearAutoRepeatKeyEvents();
+
+ return (door1 | door2);
+}
+
+static boolean useSpecialEditorDoor(void)
+{
+ int graphic = IMG_GLOBAL_BORDER_EDITOR;
+ boolean redefined = getImageListEntryFromImageID(graphic)->redefined;
+
+ // do not draw special editor door if editor border defined or redefined
+ if (graphic_info[graphic].bitmap != NULL || redefined)
+ return FALSE;
+
+ // do not draw special editor door if global border defined to be empty
+ if (graphic_info[IMG_GLOBAL_BORDER].bitmap == NULL)
+ return FALSE;
+
+ // do not draw special editor door if viewport definitions do not match
+ if (EX != VX ||
+ EY >= VY ||
+ EXSIZE != VXSIZE ||
+ EY + EYSIZE != VY + VYSIZE)
+ return FALSE;
+
+ return TRUE;
+}
+
+void DrawSpecialEditorDoor(void)
+{
+ struct GraphicInfo *gfx1 = &graphic_info[IMG_DOOR_2_TOP_BORDER_CORRECTION];
+ int top_border_width = gfx1->width;
+ int top_border_height = gfx1->height;
+ int outer_border = viewport.door_2[GAME_MODE_EDITOR].border_size;
+ int ex = EX - outer_border;
+ int ey = EY - outer_border;
+ int vy = VY - outer_border;
+ int exsize = EXSIZE + 2 * outer_border;
+
+ if (!useSpecialEditorDoor())
+ return;
+
+ // draw bigger level editor toolbox window
+ BlitBitmap(gfx1->bitmap, drawto, gfx1->src_x, gfx1->src_y,
+ top_border_width, top_border_height, ex, ey - top_border_height);
+ BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, drawto, ex, vy,
+ exsize, EYSIZE - VYSIZE + outer_border, ex, ey);
+
+ redraw_mask |= REDRAW_ALL;
+}
+
+void UndrawSpecialEditorDoor(void)
+{
+ struct GraphicInfo *gfx1 = &graphic_info[IMG_DOOR_2_TOP_BORDER_CORRECTION];
+ int top_border_width = gfx1->width;
+ int top_border_height = gfx1->height;
+ int outer_border = viewport.door_2[GAME_MODE_EDITOR].border_size;
+ int ex = EX - outer_border;
+ int ey = EY - outer_border;
+ int ey_top = ey - top_border_height;
+ int exsize = EXSIZE + 2 * outer_border;
+ int eysize = EYSIZE + 2 * outer_border;
+
+ if (!useSpecialEditorDoor())
+ return;
+
+ // draw normal tape recorder window
+ if (graphic_info[IMG_GLOBAL_BORDER].bitmap)
+ {
+ BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, drawto,
+ ex, ey_top, top_border_width, top_border_height,
+ ex, ey_top);
+ BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, drawto,
+ ex, ey, exsize, eysize, ex, ey);
+ }
+ else
+ {
+ // if screen background is set to "[NONE]", clear editor toolbox window
+ ClearRectangle(drawto, ex, ey_top, top_border_width, top_border_height);
+ ClearRectangle(drawto, ex, ey, exsize, eysize);
+ }
+
+ redraw_mask |= REDRAW_ALL;
+}
+
+
+// ---------- new tool button stuff -------------------------------------------
+
+static struct
+{
+ int graphic;
+ struct TextPosInfo *pos;
+ int gadget_id;
+ boolean is_touch_button;
+ char *infotext;
+} toolbutton_info[NUM_TOOL_BUTTONS] =
+{
+ {
+ IMG_GFX_REQUEST_BUTTON_YES, &request.button.yes,
+ TOOL_CTRL_ID_YES, FALSE, "yes"
+ },
+ {
+ IMG_GFX_REQUEST_BUTTON_NO, &request.button.no,
+ TOOL_CTRL_ID_NO, FALSE, "no"
+ },
+ {
+ IMG_GFX_REQUEST_BUTTON_CONFIRM, &request.button.confirm,
+ TOOL_CTRL_ID_CONFIRM, FALSE, "confirm"
+ },
+ {
+ IMG_GFX_REQUEST_BUTTON_PLAYER_1, &request.button.player_1,
+ TOOL_CTRL_ID_PLAYER_1, FALSE, "player 1"
+ },
+ {
+ IMG_GFX_REQUEST_BUTTON_PLAYER_2, &request.button.player_2,
+ TOOL_CTRL_ID_PLAYER_2, FALSE, "player 2"
+ },
+ {
+ IMG_GFX_REQUEST_BUTTON_PLAYER_3, &request.button.player_3,
+ TOOL_CTRL_ID_PLAYER_3, FALSE, "player 3"
+ },
+ {
+ IMG_GFX_REQUEST_BUTTON_PLAYER_4, &request.button.player_4,
+ TOOL_CTRL_ID_PLAYER_4, FALSE, "player 4"
+ },
+ {
+ IMG_GFX_REQUEST_BUTTON_TOUCH_YES, &request.button.touch_yes,
+ TOOL_CTRL_ID_TOUCH_YES, TRUE, "yes"
+ },
+ {
+ IMG_GFX_REQUEST_BUTTON_TOUCH_NO, &request.button.touch_no,
+ TOOL_CTRL_ID_TOUCH_NO, TRUE, "no"
+ },
+ {
+ IMG_GFX_REQUEST_BUTTON_TOUCH_CONFIRM, &request.button.touch_confirm,
+ TOOL_CTRL_ID_TOUCH_CONFIRM, TRUE, "confirm"
+ }
+};
+
+void CreateToolButtons(void)
+{
+ int i;
+
+ for (i = 0; i < NUM_TOOL_BUTTONS; i++)
+ {
+ int graphic = toolbutton_info[i].graphic;
+ struct GraphicInfo *gfx = &graphic_info[graphic];
+ struct TextPosInfo *pos = toolbutton_info[i].pos;
+ struct GadgetInfo *gi;
+ Bitmap *deco_bitmap = None;
+ int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
+ unsigned int event_mask = GD_EVENT_RELEASED;
+ boolean is_touch_button = toolbutton_info[i].is_touch_button;
+ int base_x = (is_touch_button ? 0 : DX);
+ int base_y = (is_touch_button ? 0 : DY);
+ int gd_x = gfx->src_x;
+ int gd_y = gfx->src_y;
+ int gd_xp = gfx->src_x + gfx->pressed_xoffset;
+ int gd_yp = gfx->src_y + gfx->pressed_yoffset;
+ int x = pos->x;
+ int y = pos->y;
+ int id = i;
+
+ // do not use touch buttons if overlay touch buttons are disabled
+ if (is_touch_button && !setup.touch.overlay_buttons)
+ continue;
+
+ if (global.use_envelope_request && !is_touch_button)
+ {
+ setRequestPosition(&base_x, &base_y, TRUE);
+
+ // check if request buttons are outside of envelope and fix, if needed
+ if (x < 0 || x + gfx->width > request.width ||
+ y < 0 || y + gfx->height > request.height)
+ {
+ if (id == TOOL_CTRL_ID_YES)
+ {
+ x = 0;
+ y = request.height - 2 * request.border_size - gfx->height;
+ }
+ else if (id == TOOL_CTRL_ID_NO)
+ {
+ x = request.width - 2 * request.border_size - gfx->width;
+ y = request.height - 2 * request.border_size - gfx->height;
+ }
+ else if (id == TOOL_CTRL_ID_CONFIRM)
+ {
+ x = (request.width - 2 * request.border_size - gfx->width) / 2;
+ y = request.height - 2 * request.border_size - gfx->height;
+ }
+ else if (id >= TOOL_CTRL_ID_PLAYER_1 && id <= TOOL_CTRL_ID_PLAYER_4)
+ {
+ int player_nr = id - TOOL_CTRL_ID_PLAYER_1;
+
+ x = (request.width - 2 * request.border_size - gfx->width) / 2;
+ y = request.height - 2 * request.border_size - gfx->height * 2;
+
+ x += (player_nr == 3 ? -1 : player_nr == 1 ? +1 : 0) * gfx->width;
+ y += (player_nr == 0 ? -1 : player_nr == 2 ? +1 : 0) * gfx->height;
+ }
+ }
+ }
+
+ if (id >= TOOL_CTRL_ID_PLAYER_1 && id <= TOOL_CTRL_ID_PLAYER_4)
+ {
+ int player_nr = id - TOOL_CTRL_ID_PLAYER_1;
+
+ getSizedGraphicSource(PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0,
+ pos->size, &deco_bitmap, &deco_x, &deco_y);
+ deco_xpos = (gfx->width - pos->size) / 2;
+ deco_ypos = (gfx->height - pos->size) / 2;
+ }
+
+ gi = CreateGadget(GDI_CUSTOM_ID, id,
+ GDI_IMAGE_ID, graphic,
+ GDI_INFO_TEXT, toolbutton_info[i].infotext,
+ GDI_X, base_x + x,
+ GDI_Y, base_y + y,
+ GDI_WIDTH, gfx->width,
+ GDI_HEIGHT, gfx->height,
+ GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
+ GDI_STATE, GD_BUTTON_UNPRESSED,
+ GDI_DESIGN_UNPRESSED, gfx->bitmap, gd_x, gd_y,
+ GDI_DESIGN_PRESSED, gfx->bitmap, gd_xp, gd_yp,
+ GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
+ GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
+ GDI_DECORATION_SIZE, pos->size, pos->size,
+ GDI_DECORATION_SHIFTING, 1, 1,
+ GDI_DIRECT_DRAW, FALSE,
+ GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
+ GDI_EVENT_MASK, event_mask,
+ GDI_CALLBACK_ACTION, HandleToolButtons,
+ GDI_END);
+
+ if (gi == NULL)
+ Fail("cannot create gadget");
+
+ tool_gadget[id] = gi;
+ }
+}
+
+void FreeToolButtons(void)
+{
+ int i;
+
+ for (i = 0; i < NUM_TOOL_BUTTONS; i++)
+ FreeGadget(tool_gadget[i]);
+}
+
+static void UnmapToolButtons(void)