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@@ -467,7 +467,7 @@ void HandleZoomMessage(Window *w, const
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}
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/**
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* Draws a ground sprite at a specific world-coordinate.
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* Shedules a tile sprite for drawing.
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*
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* @param image the image to draw.
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* @param pal the provided palette.
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@@ -477,9 +477,8 @@ void HandleZoomMessage(Window *w, const
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* @param sub Only draw a part of the sprite.
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* @param extra_offs_x Pixel X offset for the sprite position.
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* @param extra_offs_y Pixel Y offset for the sprite position.
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*
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*/
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void DrawGroundSpriteAt(SpriteID image, SpriteID pal, int32 x, int32 y, byte z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
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static void AddTileSpriteToDraw(SpriteID image, SpriteID pal, int32 x, int32 y, int z, const SubSprite *sub = NULL, int extra_offs_x = 0, int extra_offs_y = 0)
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{
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assert((image & SPRITE_MASK) < MAX_SPRITES);
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@@ -521,6 +520,32 @@ static void AddChildSpriteToFoundation(S
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}
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/**
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* Draws a ground sprite at a specific world-coordinate relative to the current tile.
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* If the current tile is drawn on top of a foundation the sprite is added as child sprite to the "foundation"-ParentSprite.
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*
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* @param image the image to draw.
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* @param pal the provided palette.
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* @param x position x (world coordinates) of the sprite relative to current tile.
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* @param y position y (world coordinates) of the sprite relative to current tile.
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* @param z position z (world coordinates) of the sprite relative to current tile.
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* @param sub Only draw a part of the sprite.
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* @param extra_offs_x Pixel X offset for the sprite position.
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* @param extra_offs_y Pixel Y offset for the sprite position.
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*/
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void DrawGroundSpriteAt(SpriteID image, SpriteID pal, int32 x, int32 y, int z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
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{
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/* Switch to first foundation part, if no foundation was drawn */
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if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
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if (_vd.foundation[_vd.foundation_part] != -1) {
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Point pt = RemapCoords(x, y, z);
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AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, pt.x + extra_offs_x, pt.y + extra_offs_y);
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} else {
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AddTileSpriteToDraw(image, pal, _cur_ti->x + x, _cur_ti->y + y, _cur_ti->z + z, sub, extra_offs_x, extra_offs_y);
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}
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}
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/**
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* Draws a ground sprite for the current tile.
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* If the current tile is drawn on top of a foundation the sprite is added as child sprite to the "foundation"-ParentSprite.
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*
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@@ -532,17 +557,9 @@ static void AddChildSpriteToFoundation(S
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*/
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void DrawGroundSprite(SpriteID image, SpriteID pal, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
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{
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/* Switch to first foundation part, if no foundation was drawn */
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if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
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if (_vd.foundation[_vd.foundation_part] != -1) {
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AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, extra_offs_x, extra_offs_y);
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} else {
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DrawGroundSpriteAt(image, pal, _cur_ti->x, _cur_ti->y, _cur_ti->z, sub, extra_offs_x, extra_offs_y);
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}
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DrawGroundSpriteAt(image, pal, 0, 0, 0, sub, extra_offs_x, extra_offs_y);
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}
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/**
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* Called when a foundation has been drawn for the current tile.
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* Successive ground sprites for the current tile will be drawn as child sprites of the "foundation"-ParentSprite, not as TileSprites.
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@@ -805,7 +822,7 @@ static void DrawSelectionSprite(SpriteID
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/* FIXME: This is not totally valid for some autorail highlights, that extent over the edges of the tile. */
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if (_vd.foundation[foundation_part] == -1) {
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/* draw on real ground */
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DrawGroundSpriteAt(image, pal, ti->x, ti->y, ti->z + z_offset);
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AddTileSpriteToDraw(image, pal, ti->x, ti->y, ti->z + z_offset);
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} else {
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/* draw on top of foundation */
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AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset);
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@@ -1024,7 +1041,7 @@ static void ViewportAddLandscape()
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if (x_cur == ((int)MapMaxX() - 1) * TILE_SIZE || y_cur == ((int)MapMaxY() - 1) * TILE_SIZE) {
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uint maxh = max<uint>(TileHeight(tile), 1);
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for (uint h = 0; h < maxh; h++) {
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DrawGroundSpriteAt(SPR_SHADOW_CELL, PAL_NONE, ti.x, ti.y, h * TILE_HEIGHT);
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AddTileSpriteToDraw(SPR_SHADOW_CELL, PAL_NONE, ti.x, ti.y, h * TILE_HEIGHT);
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}
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}
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