+ 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);
+}
+
+inline 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))
+ {
+ printf("DrawGraphic(): x = %d, y = %d, graphic = %d\n", x, y, graphic);
+ printf("DrawGraphic(): This should never happen!\n");
+ 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))
+ {
+ printf("DrawGraphic(): x = %d, y = %d, graphic = %d\n", x, y, graphic);
+ printf("DrawGraphic(): This should never happen!\n");
+ 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))
+ {
+ printf("DrawGraphicThruMask(): x = %d,y = %d, graphic = %d\n",x,y,graphic);
+ printf("DrawGraphicThruMask(): This should never happen!\n");
+ 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))
+ {
+ printf("DrawGraphicThruMask(): x = %d,y = %d, graphic = %d\n",x,y,graphic);
+ printf("DrawGraphicThruMask(): This should never happen!\n");
+ 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 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 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);
+}
+
+inline 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))
+ {
+ printf("DrawGraphicShifted(): x = %d, y = %d, graphic = %d\n",x,y,graphic);
+ printf("DrawGraphicShifted(): This should never happen!\n");
+ 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);
+ }
+}
+
+inline 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);
+}
+
+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))
+ {
+ SetRandomAnimationValue(lx, ly);
+
+ graphic = el_act_dir2img(element, GfxAction[lx][ly], GfxDir[lx][ly]);
+ frame = getGraphicAnimationFrame(graphic, GfxFrame[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 = getGraphicAnimationFrame(graphic, GfxFrame[lx][ly]);
+ }
+ }
+ else /* border element */
+ {
+ graphic = el2img(element);
+ frame = getGraphicAnimationFrame(graphic, -1);
+ }
+
+ if (element == EL_EXPANDABLE_WALL)
+ {
+ boolean left_stopped = FALSE, right_stopped = FALSE;
+
+ if (!IN_LEV_FIELD(lx - 1, ly) || IS_WALL(Feld[lx - 1][ly]))
+ left_stopped = TRUE;
+ if (!IN_LEV_FIELD(lx + 1, ly) || IS_WALL(Feld[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, Feld[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);
+
+ 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);
+
+ /* 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);
+
+ 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;
+ }
+
+ 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;
+ static int xy[4][2] =
+ {
+ { 0, -1 },
+ { -1, 0 },
+ { +1, 0 },
+ { 0, +1 }
+ };
+
+ 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][0];
+ int yy = y + xy[i][1];
+
+ 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][0];
+ int yy = y + xy[i][1];
+ int sxx = sx + xy[i][0];
+ int syy = sy + xy[i][1];
+
+ if (!IN_LEV_FIELD(xx, yy) ||
+ !IN_SCR_FIELD(sxx, syy))
+ continue;
+
+ if (Feld[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 (Feld[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 (Feld[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);
+
+ DrawGraphic(sx, sy, graphic1, frame1);
+ DrawLevelFieldCrumbledExt(x, y, graphic2, frame2);
+}
+
+void DrawLevelFieldCrumbledNeighbours(int x, int y)
+{
+ int sx = SCREENX(x), sy = SCREENY(y);
+ static int xy[4][2] =
+ {
+ { 0, -1 },
+ { -1, 0 },
+ { +1, 0 },
+ { 0, +1 }
+ };
+ int i;
+
+ /* crumble direct neighbour fields (required for field borders) */
+ for (i = 0; i < 4; i++)
+ {
+ int xx = x + xy[i][0];
+ int yy = y + xy[i][1];
+ int sxx = sx + xy[i][0];
+ int syy = sy + xy[i][1];
+
+ if (!IN_LEV_FIELD(xx, yy) ||
+ !IN_SCR_FIELD(sxx, syy) ||
+ !GFX_CRUMBLED(Feld[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(Feld[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 DrawScreenElement(int x, int y, int element)
+{
+ DrawScreenElementExt(x, y, 0, 0, element, NO_CUTTING, NO_MASKING);
+ 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 = Feld[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 (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 = Feld[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));
+ }
+}
+
+void DrawSizedElement(int x, int y, int element, int tilesize)
+{
+ int graphic;
+
+ graphic = el2edimg(element);
+ DrawSizedGraphic(x, y, graphic, 0, tilesize);
+}
+
+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, Feld[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, Feld[x][y]);
+ else
+ DrawMiniGraphic(sx, sy, el2edimg(getBorderElement(x, y)));
+}
+
+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);
+}
+
+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);
+}
+
+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);
+ unsigned int anim_delay = 0;
+ int frame_delay_value = (ffwd_delay ? FfwdFrameDelay : GameFrameDelay);
+ int anim_delay_value = MAX(1, (no_delay ? 0 : frame_delay_value) / 2);
+ 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);
+
+ DrawTextBuffer(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, anim_delay_value, &i, last_frame);
+ }
+}
+
+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);
+
+ game.envelope_active = TRUE; /* needed for RedrawPlayfield() events */
+
+ 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(wait_delay_value);
+ else
+ WaitForEventToContinue();
+
+ 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 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);
+}
+
+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);
+
+ if (text_door_style)
+ free(text_door_style);
+}
+
+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);
+ unsigned int anim_delay = 0;
+
+ 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);
+ }
+ }
+
+ redraw_mask |= REDRAW_FIELD;
+
+ BackToFront();
+
+ SkipUntilDelayReached(&anim_delay, anim_delay_value, &i, last_frame);
+ }
+}
+
+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]);
+ }
+ else if (req_state & REQ_CONFIRM)
+ {
+ MapGadget(tool_gadget[TOOL_CTRL_ID_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);
+}
+
+void DrawPreviewElement(int dst_x, int dst_y, int element, int tilesize)
+{
+ 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 unsigned int scroll_delay = 0;
+ static unsigned int label_delay = 0;
+ static int from_x, from_y, scroll_direction;
+ static int label_state, label_counter;
+ unsigned int scroll_delay_value = preview.step_delay;
+ 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);
+
+ 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 */
+ DelayReached(&scroll_delay, 0);
+ DelayReached(&label_delay, 0);
+
+ 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, scroll_delay_value))
+ {
+ 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, MICROLEVEL_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 DrawPreviewLevelInitial()
+{
+ DrawPreviewLevelExt(TRUE);
+}
+
+void DrawPreviewLevelAnimation()
+{
+ DrawPreviewLevelExt(FALSE);
+}
+
+inline static void DrawGraphicAnimationExt(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)
+ 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);
+}
+
+inline static void DrawGraphicAnimation(int x, int y, int graphic)
+{
+ int lx = LEVELX(x), ly = LEVELY(y);
+
+ if (!IN_SCR_FIELD(x, y))
+ return;
+
+ DrawGraphicAnimationExt(drawto_field, FX + x * TILEX_VAR, FY + y * TILEY_VAR,
+ graphic, GfxFrame[lx][ly], NO_MASKING);
+
+ MarkTileDirty(x, y);
+}
+
+void DrawFixedGraphicAnimation(int x, int y, int graphic)
+{
+ int lx = LEVELX(x), ly = LEVELY(y);
+
+ if (!IN_SCR_FIELD(x, y))
+ return;
+
+ DrawGraphicAnimationExt(drawto_field, FX + x * TILEX, FY + y * TILEY,
+ graphic, GfxFrame[lx][ly], NO_MASKING);
+ 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 (!IS_NEW_FRAME(GfxFrame[x][y], graphic))
+ return;
+
+ DrawGraphicAnimation(sx, sy, graphic);
+
+#if 1
+ if (GFX_CRUMBLED(TILE_GFX_ELEMENT(x, y)))
+ DrawLevelFieldCrumbled(x, y);
+#else
+ if (GFX_CRUMBLED(Feld[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);
+}
+
+void DrawAllPlayers()
+{
+ int i;
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ if (stored_player[i].active)
+ DrawPlayer(&stored_player[i]);
+}
+
+void DrawPlayerField(int x, int y)
+{
+ if (!IS_PLAYER(x, y))
+ return;
+
+ DrawPlayer(PLAYERINFO(x, y));
+}
+
+#define DRAW_PLAYER_OVER_PUSHED_ELEMENT 1
+
+void DrawPlayer(struct PlayerInfo *player)
+{
+ int jx = player->jx;
+ int jy = player->jy;
+ int move_dir = 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 ? TRUE : FALSE);
+ boolean player_is_opaque = FALSE;
+ int sx = SCREENX(jx), sy = SCREENY(jy);
+ int sxx = 0, syy = 0;
+ int element = Feld[jx][jy], last_element = Feld[last_jx][last_jy];
+ int graphic;
+ int action = ACTION_DEFAULT;
+ int last_player_graphic = getPlayerGraphic(player, move_dir);
+ int last_player_frame = player->Frame;
+ int frame = 0;
+
+ /* 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 DEBUG
+ if (!IN_LEV_FIELD(jx, jy))
+ {
+ printf("DrawPlayerField(): x = %d, y = %d\n",jx,jy);
+ printf("DrawPlayerField(): sx = %d, sy = %d\n",sx,sy);
+ printf("DrawPlayerField(): This should never happen!\n");
+ return;
+ }
+#endif
+
+ if (element == EL_EXPLOSION)
+ return;
+
+ 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 (player->is_waiting)
+ move_dir = player->dir_waiting;
+
+ InitPlayerGfxAnimation(player, action, move_dir);
+
+ /* ----------------------------------------------------------------------- */
+ /* draw things in the field the player is leaving, if needed */
+ /* ----------------------------------------------------------------------- */
+
+ if (player->is_moving)
+ {
+ 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);
+#if 0
+ /* !!! this is not enough to prevent flickering of players which are
+ moving next to each others without a free tile between them -- this
+ can only be solved by drawing all players layer by layer (first the
+ background, then the foreground etc.) !!! => TODO */
+ else if (!IS_PLAYER(last_jx, last_jy))
+ DrawLevelField(last_jx, last_jy);
+#else
+ else
+ DrawLevelField(last_jx, last_jy);
+#endif
+
+ if (player->is_pushing && IN_SCR_FIELD(SCREENX(next_jx), SCREENY(next_jy)))
+ DrawLevelElement(next_jx, next_jy, EL_EMPTY);
+ }
+
+ if (!IN_SCR_FIELD(sx, sy))
+ return;
+
+ /* ----------------------------------------------------------------------- */
+ /* draw things behind the player, if needed */
+ /* ----------------------------------------------------------------------- */
+
+ if (Back[jx][jy])
+ DrawLevelElement(jx, jy, Back[jx][jy]);
+ else if (IS_ACTIVE_BOMB(element))
+ DrawLevelElement(jx, jy, EL_EMPTY);
+ else
+ {
+ 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
+ DrawGraphic(sx, sy, old_graphic, frame);
+
+ if (graphic_info[old_graphic].anim_mode & ANIM_OPAQUE_PLAYER)
+ player_is_opaque = TRUE;
+ }
+ else
+ {
+ GfxElement[jx][jy] = EL_UNDEFINED;
+
+ /* make sure that pushed elements are drawn with correct frame rate */
+ 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);
+ }
+ }
+
+#if !DRAW_PLAYER_OVER_PUSHED_ELEMENT
+ /* ----------------------------------------------------------------------- */
+ /* draw player himself */
+ /* ----------------------------------------------------------------------- */
+
+ 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;
+
+ frame = getGraphicAnimationFrame(graphic, player->Frame);
+
+ if (player->GfxPos)
+ {
+ if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
+ sxx = player->GfxPos;
+ else
+ syy = player->GfxPos;
+ }
+
+ 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))
+ {
+ int graphic = (player->shield_deadly_time_left ? IMG_SHIELD_DEADLY_ACTIVE :
+ IMG_SHIELD_NORMAL_ACTIVE);
+ int frame = getGraphicAnimationFrame(graphic, -1);
+
+ DrawGraphicShiftedThruMask(sx, sy, sxx, syy, graphic, frame, NO_CUTTING);
+ }
+#endif
+
+#if DRAW_PLAYER_OVER_PUSHED_ELEMENT
+ if (player->GfxPos)
+ {
+ if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
+ sxx = player->GfxPos;
+ else
+ syy = player->GfxPos;
+ }
+#endif
+
+ /* ----------------------------------------------------------------------- */
+ /* draw things the player is pushing, if needed */
+ /* ----------------------------------------------------------------------- */
+
+ if (player->is_pushing && player->is_moving)
+ {
+ int px = SCREENX(jx), py = SCREENY(jy);
+ int pxx = (TILEX - ABS(sxx)) * dx;
+ int pyy = (TILEY - ABS(syy)) * dy;
+ int gfx_frame = GfxFrame[jx][jy];
+
+ int graphic;
+ int sync_frame;
+ int frame;
+
+ if (!IS_MOVING(jx, jy)) /* push movement already finished */
+ {
+ element = Feld[next_jx][next_jy];
+ gfx_frame = GfxFrame[next_jx][next_jy];
+ }
+
+ graphic = el_act_dir2img(element, ACTION_PUSHING, move_dir);
+
+ sync_frame = (IS_ANIM_MODE_CE(graphic) ? gfx_frame : player->StepFrame);
+ 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]);
+
+#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, Feld[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
+ }
+
+#if DRAW_PLAYER_OVER_PUSHED_ELEMENT
+ /* ----------------------------------------------------------------------- */
+ /* draw player himself */
+ /* ----------------------------------------------------------------------- */
+
+ 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;
+
+ frame = getGraphicAnimationFrame(graphic, player->Frame);
+
+ if (player->GfxPos)
+ {
+ if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
+ sxx = player->GfxPos;
+ else
+ syy = player->GfxPos;
+ }
+
+ 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))
+ {
+ int graphic = (player->shield_deadly_time_left ? IMG_SHIELD_DEADLY_ACTIVE :
+ IMG_SHIELD_NORMAL_ACTIVE);
+ int frame = getGraphicAnimationFrame(graphic, -1);
+
+ DrawGraphicShiftedThruMask(sx, sy, sxx, syy, graphic, frame, NO_CUTTING);
+ }
+#endif
+
+ /* ----------------------------------------------------------------------- */
+ /* draw things in front of player (active dynamite or dynabombs) */
+ /* ----------------------------------------------------------------------- */
+
+ if (IS_ACTIVE_BOMB(element))
+ {
+ graphic = el2img(element);
+ frame = getGraphicAnimationFrame(graphic, GfxFrame[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);
+ }
+
+ /* ----------------------------------------------------------------------- */
+ /* 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 WaitForEventToContinue()
+{
+ 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();
+
+ while (still_wait)
+ {
+ Event event;
+
+ if (NextValidEvent(&event))
+ {
+ switch (event.type)
+ {
+ case EVENT_BUTTONPRESS:
+ case EVENT_KEYPRESS:
+#if defined(TARGET_SDL2)
+ case SDL_CONTROLLERBUTTONDOWN:
+#endif
+ case SDL_JOYBUTTONDOWN:
+ still_wait = FALSE;
+ break;
+
+ case EVENT_KEYRELEASE:
+ ClearPlayerAction();
+ break;
+
+ default:
+ HandleOtherEvents(&event);
+ break;
+ }
+ }
+ else if (AnyJoystickButton() == JOY_BUTTON_NEW_PRESSED)
+ {
+ still_wait = FALSE;
+ }
+
+ 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)
+{
+ boolean level_solved = (game_status == GAME_MODE_PLAYING &&
+ local_player->LevelSolved_GameEnd);
+ int width = request.width;
+ int height = request.height;
+ int sx, sy;
+ int result;
+
+ setRequestPosition(&sx, &sy, FALSE);
+
+ button_status = MB_RELEASED;
+
+ request_gadget_id = -1;
+ result = -1;
+
+ while (result < 0)
+ {
+ if (level_solved)
+ {
+ SetDrawtoField(DRAW_TO_FIELDBUFFER);
+
+ 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))
+ {
+ 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:
+ result = TRUE;
+ break;
+ case TOOL_CTRL_ID_NO:
+ result = FALSE;
+ break;
+ case TOOL_CTRL_ID_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:
+ break;
+ }
+
+ break;
+ }
+
+#if defined(TARGET_SDL2)
+ 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;
+#endif
+
+ case EVENT_KEYPRESS:
+ {
+ Key key = GetEventKey((KeyEvent *)&event, TRUE);
+
+ switch (key)
+ {
+ case KSYM_space:
+ if (req_state & REQ_CONFIRM)
+ result = 1;
+ break;
+
+ case KSYM_Return:
+#if defined(TARGET_SDL2)
+ case KSYM_Select:
+ case KSYM_Menu:
+#if defined(KSYM_Rewind)
+ case KSYM_Rewind: /* for Amazon Fire TV remote */
+#endif
+#endif
+ result = 1;
+ break;
+
+ case KSYM_Escape:
+#if defined(TARGET_SDL2)
+ case KSYM_Back:
+#if defined(KSYM_FastForward)
+ case KSYM_FastForward: /* for Amazon Fire TV remote */
+#endif
+#endif
+ result = 0;
+ break;
+
+ default:
+ HandleKeysDebug(key);
+ break;
+ }
+
+ if (req_state & REQ_PLAYER)
+ result = 0;
+
+ break;
+ }
+
+ case EVENT_KEYRELEASE:
+ ClearPlayerAction();
+ break;
+
+#if defined(TARGET_SDL2)
+ case SDL_CONTROLLERBUTTONDOWN:
+ switch (event.cbutton.button)
+ {
+ case SDL_CONTROLLER_BUTTON_A:
+ case SDL_CONTROLLER_BUTTON_X:
+ case SDL_CONTROLLER_BUTTON_LEFTSHOULDER:
+ result = 1;
+ break;
+
+ case SDL_CONTROLLER_BUTTON_B:
+ case SDL_CONTROLLER_BUTTON_Y:
+ case SDL_CONTROLLER_BUTTON_RIGHTSHOULDER:
+ case SDL_CONTROLLER_BUTTON_BACK:
+ result = 0;
+ break;
+ }
+
+ if (req_state & REQ_PLAYER)
+ result = 0;
+
+ break;
+
+ case SDL_CONTROLLERBUTTONUP:
+ HandleJoystickEvent(&event);
+ ClearPlayerAction();
+ break;
+#endif
+
+ 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;
+ }
+
+ if (level_solved)
+ {
+ 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);
+ }
+ }
+
+ BackToFront();
+ }
+
+ return result;
+}
+
+static boolean RequestDoor(char *text, unsigned int req_state)
+{
+ 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 (maxWordLengthInString(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);
+
+#if defined(NETWORK_AVALIABLE)
+ /* pause network game while waiting for request to answer */
+ if (options.network &&
+ game_status == GAME_MODE_PLAYING &&
+ req_state & REQUEST_WAIT_FOR_INPUT)
+ SendToServer_PausePlaying();
+#endif
+
+ 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]);
+ }
+ else if (req_state & REQ_CONFIRM)
+ {
+ MapGadget(tool_gadget[TOOL_CTRL_ID_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);
+
+ 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);
+ }
+
+#if defined(NETWORK_AVALIABLE)
+ /* continue network game after request */
+ if (options.network &&
+ game_status == GAME_MODE_PLAYING &&
+ req_state & REQUEST_WAIT_FOR_INPUT)
+ SendToServer_ContinuePlaying();
+#endif
+
+ /* 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 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);
+
+#if defined(NETWORK_AVALIABLE)
+ /* pause network game while waiting for request to answer */
+ if (options.network &&
+ game_status == GAME_MODE_PLAYING &&
+ req_state & REQUEST_WAIT_FOR_INPUT)
+ SendToServer_PausePlaying();
+#endif
+
+ /* 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);
+
+ UnmapToolButtons();
+
+ ShowEnvelopeRequest(text, req_state, ACTION_CLOSING);
+
+ RemapAllGadgets();
+
+ if (game_status == GAME_MODE_PLAYING)
+ {
+ SetPanelBackground();
+ SetDrawBackgroundMask(REDRAW_DOOR_1);
+ }
+ else
+ {
+ SetDrawBackgroundMask(REDRAW_FIELD);
+ }
+
+#if defined(NETWORK_AVALIABLE)
+ /* continue network game after request */
+ if (options.network &&
+ game_status == GAME_MODE_PLAYING &&
+ req_state & REQUEST_WAIT_FOR_INPUT)
+ SendToServer_ContinuePlaying();
+#endif
+
+ /* 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_active = GetOverlayActive();
+ boolean result;
+
+ SetOverlayActive(FALSE);
+
+ if (global.use_envelope_request)
+ result = RequestEnvelope(text, req_state);
+ else
+ result = RequestDoor(text, req_state);
+
+ SetOverlayActive(overlay_active);
+
+ 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()
+{
+ 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;
+ }