+ 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))
+ {
+ 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(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);
+
+ 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;
+
+ // 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);
+
+ 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(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 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 = 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 (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);
+ 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);
+ }
+
+ 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 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);
+
+ 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);
+ 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);
+ }
+
+ 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 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 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 (ELEM_IS_PLAYER(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 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);
+}
+
+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(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,