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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
00060 struct DrawTileSprites {
00061 PalSpriteID ground;
00062 const DrawTileSeqStruct *seq;
00063 };
00064
00069 struct DrawBuildingsTileStruct {
00070 PalSpriteID ground;
00071 PalSpriteID building;
00072 byte subtile_x;
00073 byte subtile_y;
00074 byte width;
00075 byte height;
00076 byte dz;
00077 byte draw_proc;
00078 };
00079
00081 #define foreach_draw_tile_seq(idx, list) for (idx = list; !idx->IsTerminator(); idx++)
00082
00083 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);
00084 void DrawCommonTileSeqInGUI(int x, int y, const DrawTileSprites *dts, int32 orig_offset, uint32 newgrf_offset, PaletteID default_palette, bool child_offset_is_unsigned);
00085
00091 static inline void DrawRailTileSeq(const struct TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, int32 total_offset, uint32 newgrf_offset, PaletteID default_palette)
00092 {
00093 DrawCommonTileSeq(ti, dts, to, total_offset, newgrf_offset, default_palette, false);
00094 }
00095
00101 static inline void DrawRailTileSeqInGUI(int x, int y, const DrawTileSprites *dts, int32 total_offset, uint32 newgrf_offset, PaletteID default_palette)
00102 {
00103 DrawCommonTileSeqInGUI(x, y, dts, total_offset, newgrf_offset, default_palette, false);
00104 }
00105
00109 static inline void DrawOrigTileSeq(const struct TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, PaletteID default_palette)
00110 {
00111 DrawCommonTileSeq(ti, dts, to, 0, 0, default_palette, false);
00112 }
00113
00117 static inline void DrawOrigTileSeqInGUI(int x, int y, const DrawTileSprites *dts, PaletteID default_palette)
00118 {
00119 DrawCommonTileSeqInGUI(x, y, dts, 0, 0, default_palette, false);
00120 }
00121
00126 static inline void DrawNewGRFTileSeq(const struct TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, uint32 stage, PaletteID default_palette)
00127 {
00128 DrawCommonTileSeq(ti, dts, to, 0, stage, default_palette, true);
00129 }
00130
00135 static inline void DrawNewGRFTileSeqInGUI(int x, int y, const DrawTileSprites *dts, uint32 stage, PaletteID default_palette)
00136 {
00137 DrawCommonTileSeqInGUI(x, y, dts, 0, stage, default_palette, true);
00138 }
00139
00151 static inline PaletteID SpriteLayoutPaletteTransform(SpriteID image, PaletteID pal, PaletteID default_pal)
00152 {
00153 if (HasBit(image, PALETTE_MODIFIER_TRANSPARENT) || HasBit(image, PALETTE_MODIFIER_COLOUR)) {
00154 return (pal != 0 ? pal : default_pal);
00155 } else {
00156 return PAL_NONE;
00157 }
00158 }
00159
00170 static inline PaletteID GroundSpritePaletteTransform(SpriteID image, PaletteID pal, PaletteID default_pal)
00171 {
00172 if (HasBit(image, PALETTE_MODIFIER_COLOUR)) {
00173 return (pal != 0 ? pal : default_pal);
00174 } else {
00175 return PAL_NONE;
00176 }
00177 }
00178
00179 #endif