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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
00037 void MakeTerminator()
00038 {
00039 this->delta_x = (int8)0x80;
00040 }
00041
00043 bool IsTerminator() const
00044 {
00045 return (byte)this->delta_x == 0x80;
00046 }
00047
00049 bool IsParentSprite() const
00050 {
00051 return (byte)this->delta_z != 0x80;
00052 }
00053 };
00054
00055 const DrawTileSeqStruct *CopyDrawTileSeqStruct(const DrawTileSeqStruct *dtss);
00056
00058 struct DrawTileSprites {
00059 PalSpriteID ground;
00060 const DrawTileSeqStruct *seq;
00061 };
00062
00067 struct DrawBuildingsTileStruct {
00068 PalSpriteID ground;
00069 PalSpriteID building;
00070 byte subtile_x;
00071 byte subtile_y;
00072 byte width;
00073 byte height;
00074 byte dz;
00075 byte draw_proc;
00076 };
00077
00079 #define foreach_draw_tile_seq(idx, list) for (idx = list; !idx->IsTerminator(); idx++)
00080
00081 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);
00082 void DrawCommonTileSeqInGUI(int x, int y, const DrawTileSprites *dts, int32 orig_offset, uint32 newgrf_offset, PaletteID default_palette, bool child_offset_is_unsigned);
00083
00089 static inline void DrawRailTileSeq(const struct TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, int32 total_offset, uint32 newgrf_offset, PaletteID default_palette)
00090 {
00091 DrawCommonTileSeq(ti, dts, to, total_offset, newgrf_offset, default_palette, false);
00092 }
00093
00099 static inline void DrawRailTileSeqInGUI(int x, int y, const DrawTileSprites *dts, int32 total_offset, uint32 newgrf_offset, PaletteID default_palette)
00100 {
00101 DrawCommonTileSeqInGUI(x, y, dts, total_offset, newgrf_offset, default_palette, false);
00102 }
00103
00107 static inline void DrawOrigTileSeq(const struct TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, PaletteID default_palette)
00108 {
00109 DrawCommonTileSeq(ti, dts, to, 0, 0, default_palette, false);
00110 }
00111
00115 static inline void DrawOrigTileSeqInGUI(int x, int y, const DrawTileSprites *dts, PaletteID default_palette)
00116 {
00117 DrawCommonTileSeqInGUI(x, y, dts, 0, 0, default_palette, false);
00118 }
00119
00124 static inline void DrawNewGRFTileSeq(const struct TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, uint32 stage, PaletteID default_palette)
00125 {
00126 DrawCommonTileSeq(ti, dts, to, 0, stage, default_palette, true);
00127 }
00128
00133 static inline void DrawNewGRFTileSeqInGUI(int x, int y, const DrawTileSprites *dts, uint32 stage, PaletteID default_palette)
00134 {
00135 DrawCommonTileSeqInGUI(x, y, dts, 0, stage, default_palette, true);
00136 }
00137
00149 static inline PaletteID SpriteLayoutPaletteTransform(SpriteID image, PaletteID pal, PaletteID default_pal)
00150 {
00151 if (HasBit(image, PALETTE_MODIFIER_TRANSPARENT) || HasBit(image, PALETTE_MODIFIER_COLOUR)) {
00152 return (pal != 0 ? pal : default_pal);
00153 } else {
00154 return PAL_NONE;
00155 }
00156 }
00157
00168 static inline PaletteID GroundSpritePaletteTransform(SpriteID image, PaletteID pal, PaletteID default_pal)
00169 {
00170 if (HasBit(image, PALETTE_MODIFIER_COLOUR)) {
00171 return (pal != 0 ? pal : default_pal);
00172 } else {
00173 return PAL_NONE;
00174 }
00175 }
00176
00177 #endif