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00012 #ifndef SPRITE_H
00013 #define SPRITE_H
00014
00015 #include "transparency.h"
00016
00017 #include "table/sprites.h"
00018
00019 #define GENERAL_SPRITE_COLOUR(colour) ((colour) + PALETTE_RECOLOUR_START)
00020 #define COMPANY_SPRITE_COLOUR(owner) (GENERAL_SPRITE_COLOUR(_company_colours[owner]))
00021
00022
00023
00024
00025
00027 struct DrawTileSeqStruct {
00028 int8 delta_x;
00029 int8 delta_y;
00030 int8 delta_z;
00031 byte size_x;
00032 byte size_y;
00033 byte size_z;
00034 PalSpriteID image;
00035 };
00036
00037 const DrawTileSeqStruct *CopyDrawTileSeqStruct(const DrawTileSeqStruct *dtss);
00038
00040 struct DrawTileSprites {
00041 PalSpriteID ground;
00042 const DrawTileSeqStruct *seq;
00043 };
00044
00049 struct DrawBuildingsTileStruct {
00050 PalSpriteID ground;
00051 PalSpriteID building;
00052 byte subtile_x;
00053 byte subtile_y;
00054 byte width;
00055 byte height;
00056 byte dz;
00057 byte draw_proc;
00058 };
00059
00061 #define foreach_draw_tile_seq(idx, list) for (idx = list; ((byte) idx->delta_x) != 0x80; idx++)
00062
00063 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);
00064 void DrawCommonTileSeqInGUI(int x, int y, const DrawTileSprites *dts, int32 orig_offset, uint32 newgrf_offset, PaletteID default_palette, bool child_offset_is_unsigned);
00065
00071 static inline void DrawRailTileSeq(const struct TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, int32 total_offset, uint32 newgrf_offset, PaletteID default_palette)
00072 {
00073 DrawCommonTileSeq(ti, dts, to, total_offset, newgrf_offset, default_palette, false);
00074 }
00075
00081 static inline void DrawRailTileSeqInGUI(int x, int y, const DrawTileSprites *dts, int32 total_offset, uint32 newgrf_offset, PaletteID default_palette)
00082 {
00083 DrawCommonTileSeqInGUI(x, y, dts, total_offset, newgrf_offset, default_palette, false);
00084 }
00085
00089 static inline void DrawOrigTileSeq(const struct TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, PaletteID default_palette)
00090 {
00091 DrawCommonTileSeq(ti, dts, to, 0, 0, default_palette, false);
00092 }
00093
00097 static inline void DrawOrigTileSeqInGUI(int x, int y, const DrawTileSprites *dts, PaletteID default_palette)
00098 {
00099 DrawCommonTileSeqInGUI(x, y, dts, 0, 0, default_palette, false);
00100 }
00101
00106 static inline void DrawNewGRFTileSeq(const struct TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, uint32 stage, PaletteID default_palette)
00107 {
00108 DrawCommonTileSeq(ti, dts, to, 0, stage, default_palette, true);
00109 }
00110
00115 static inline void DrawNewGRFTileSeqInGUI(int x, int y, const DrawTileSprites *dts, uint32 stage, PaletteID default_palette)
00116 {
00117 DrawCommonTileSeqInGUI(x, y, dts, 0, stage, default_palette, true);
00118 }
00119
00131 static inline PaletteID SpriteLayoutPaletteTransform(SpriteID image, PaletteID pal, PaletteID default_pal)
00132 {
00133 if (HasBit(image, PALETTE_MODIFIER_TRANSPARENT) || HasBit(image, PALETTE_MODIFIER_COLOUR)) {
00134 return (pal != 0 ? pal : default_pal);
00135 } else {
00136 return PAL_NONE;
00137 }
00138 }
00139
00150 static inline PaletteID GroundSpritePaletteTransform(SpriteID image, PaletteID pal, PaletteID default_pal)
00151 {
00152 if (HasBit(image, PALETTE_MODIFIER_COLOUR)) {
00153 return (pal != 0 ? pal : default_pal);
00154 } else {
00155 return PAL_NONE;
00156 }
00157 }
00158
00159 #endif