(svn r22106) -Codechange: Add DrawTileSeqStruct::MakeTerminator(), DrawTileSeqStruct::IsTerminator(), DrawTileSeqStruct::IsParentSprite() to simplify stuff.
This commit is contained in:
22
src/sprite.h
22
src/sprite.h
@@ -27,11 +27,29 @@
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struct DrawTileSeqStruct {
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int8 delta_x; ///< \c 0x80 is sequence terminator
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int8 delta_y;
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int8 delta_z;
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int8 delta_z; ///< \c 0x80 identifies child sprites
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byte size_x;
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byte size_y;
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byte size_z;
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PalSpriteID image;
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/** Make this struct a sequence terminator. */
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void MakeTerminator()
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{
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this->delta_x = (int8)0x80;
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}
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/** Check whether this is a sequence terminator. */
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bool IsTerminator() const
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{
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return (byte)this->delta_x == 0x80;
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}
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/** Check whether this is a parent sprite with a boundingbox. */
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bool IsParentSprite() const
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{
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return (byte)this->delta_z != 0x80;
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}
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};
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/** Ground palette sprite of a tile, together with its child sprites */
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@@ -56,7 +74,7 @@ struct DrawBuildingsTileStruct {
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};
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/** Iterate through all DrawTileSeqStructs in DrawTileSprites. */
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#define foreach_draw_tile_seq(idx, list) for (idx = list; ((byte) idx->delta_x) != 0x80; idx++)
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#define foreach_draw_tile_seq(idx, list) for (idx = list; !idx->IsTerminator(); idx++)
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void DrawCommonTileSeq(const struct TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, int32 orig_offset, uint32 newgrf_offset, PaletteID default_palette, bool child_offset_is_unsigned);
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void DrawCommonTileSeqInGUI(int x, int y, const DrawTileSprites *dts, int32 orig_offset, uint32 newgrf_offset, PaletteID default_palette, bool child_offset_is_unsigned);
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