00001 #ifndef _PA_Tile
00002 #define _PA_Tile
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00020
00021 #define CharBaseBlock(screen, n) (((n)*0x4000) + 0x6000000 + (0x200000 * screen))
00022 #define ScreenBaseBlock(screen, n) (((n)*0x800) + 0x6000000 + (0x200000 * screen))
00023 extern u32 PA_bgmap[2][4];
00024 extern u8 tilesetchar[2][4];
00025
00026
00027 extern u16 bg_sizes[4];
00028 extern u8 bg_place[4];
00029
00030 extern u16 *PA_DrawBg[2];
00031
00032
00033 extern bool charblocks[2][70];
00034 extern u16 tilesetsize[2][4];
00035 extern u16 mapsize[2][4];
00036 extern u8 tilesetchar[2][4];
00037 extern u8 mapchar[2][4];
00038
00039 extern u8 charsetstart[2];
00040
00041
00042
00043
00044
00045 extern s32 PA_parallaxX[2][4];
00046 extern s32 PA_parallaxY[2][4];
00047
00048
00049
00050
00051 typedef struct {
00052 bool infscroll;
00053 u16* bg_map;
00054
00055 s32 lx, ly;
00056 s32 scrollx, scrolly;
00057 s32 maxx;
00058
00059 }scrollpositions;
00060
00061 extern scrollpositions scrollpos[2][4];
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00069 #define BG_COLOR16 0x00
00070 #define BG_COLOR256 0x80
00071
00072
00073 #define CHAR_SHIFT 2
00074 #define SCREEN_SHIFT 8
00075 #define WRAPAROUND 0x1
00076
00077 #define SCREEN_TILES 24576 // Taille à convertir pour avoir un écran complet...
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00084
00085 #define REG_BGSCREEN0 0x04000000
00086 #define REG_BGSCREEN1 0x04001000
00087 #define REG_BGSCREEN(screen) (0x04000000 + (screen * 0x1000))
00088
00089 #define REG_BGCNT(screen, bg_number) (0x4000008 + (screen * 0x1000) + (bg_number << 1))
00090
00091
00092 #define REG_BGSCROLLX 0x4000010
00093 #define REG_BGSCROLLY 0x4000012
00094
00095
00096
00097 #define BG_256X256 0
00098 #define BG_512X256 1
00099 #define BG_256X512 2
00100 #define BG_512X512 3
00101
00102 #define BG_ROT_128X128 0
00103 #define BG_ROT_256X256 1
00104 #define BG_ROT_512X512 2
00105 #define BG_ROT_1024X1024 3
00106
00107 void PA_LoadRotBgMap(bool screen, u8 bg_select, void* bg_map, u8 bg_size);
00108
00109
00110
00111 #define TILE_N 1023
00112 #define TILE_PAL 61440
00113 #define TILE_HFLIP 1024
00114 #define TILE_VFLIP 2048
00115
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00117
00129 void PA_ResetBgSys(void);
00130
00153 void PA_InitBg(bool screen, u8 bg_select, u8 bg_size, bool wraparound, bool color_mode);
00154
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00156
00169 #define PA_HideBg(screen, bg_select) _REG16(REG_BGSCREEN(screen)) &= ~(0x100 << (bg_select))
00170
00171
00184 #define PA_ShowBg(screen, bg_select) _REG16(REG_BGSCREEN(screen)) |= (0x100 << (bg_select))
00185
00186
00196 #define PA_ResetBg(screen) _REG16(REG_BGSCREEN(screen)) &= ~(0xF00)
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00199
00215 #define PA_LoadBgTiles(screen, bg_select, bg_tiles) PA_LoadBgTilesEx(screen, bg_select, (void*)bg_tiles, SIZEOF_16BIT(bg_tiles))
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00238 void PA_LoadBgTilesEx(bool screen, u8 bg_select, void* bg_tiles, u16 size);
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00240
00253 void PA_DeleteTiles(bool screen, u8 bg_select);
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00255
00268 void PA_DeleteMap(bool screen, u8 bg_select);
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00284 extern inline void PA_DeleteBg(bool screen, u8 bg_select) {
00285 PA_HideBg(screen, bg_select);
00286 PA_DeleteTiles(screen, bg_select);
00287 PA_DeleteMap(screen, bg_select);
00288 }
00289
00309 void PA_LoadBgMap(bool screen, u8 bg_select, void* bg_map, u8 bg_size);
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00312
00341 #define PA_LoadSimpleBg(screen, bg_select, bg_tiles, bg_map, bg_size, wraparound, color_mode) {\
00342 PA_DeleteBg(screen, bg_select);\
00343 PA_LoadBgTiles(screen, bg_select, bg_tiles); \
00344 PA_LoadBgMap(screen, bg_select, (void*)bg_map, bg_size); \
00345 PA_InitBg(screen, bg_select, bg_size, wraparound, color_mode);\
00346 PA_BGScrollXY(screen, bg_select, 0, 0);}
00347
00372 #define PA_LoadRotBg(screen, bg_select, bg_tiles, bg_map, bg_size, wraparound) {\
00373 PA_DeleteBg(screen, bg_select);\
00374 PA_LoadBgTiles(screen, bg_select, bg_tiles); \
00375 PA_LoadRotBgMap(screen, bg_select, (void*)bg_map, bg_size); \
00376 PA_InitBg(screen, bg_select, bg_size, wraparound, 1);\
00377 PA_SetBgRot(screen, bg_select, 0, 0, 0, 0, 0, 256);\
00378 }
00379
00380 void PA_SetBgRot(bool screen, u8 bg_select, s32 x_scroll, s32 y_scroll, s32 x_rotcentre, s32 y_rotcentre, s16 bg_angle, s32 bg_zoom);
00381
00413 #define PA_LoadBg(screen, bg_select, bg_tiles, tile_size, bg_map, bg_size, wraparound, color_mode) {\
00414 PA_LoadBgTilesEx(screen, bg_select, (void*)bg_tiles, tile_size); \
00415 PA_LoadBgMap(screen, bg_select, (void*)bg_map, bg_size); \
00416 PA_InitBg(screen, bg_select, bg_size, wraparound, color_mode);\
00417 PA_BGScrollXY(screen, bg_select, 0, 0);}
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00420
00436 #define PA_BGScrollX(screen, bg_number, x) _REG16(REG_BGSCROLLX + ((screen) * 0x1000) + ((bg_number) << 2)) = (x)&1023
00437
00450 #define PA_GetBGScrollX(screen, bg_number) ((_REG16(REG_BGSCROLLX + ((screen) * 0x1000) + ((bg_number) << 2))) &1023)
00451
00467 #define PA_BGScrollY(screen, bg_number, y) _REG16(REG_BGSCROLLY + ((screen) * 0x1000) + ((bg_number) << 2)) = (y)&1023
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00471
00484 #define PA_GetBGScrollY(screen, bg_number) ((_REG16(REG_BGSCROLLY + ((screen) * 0x1000) + ((bg_number) << 2))) &1023)
00485
00504 #define PA_BGScrollXY(screen, bg_number, x, y) {PA_BGScrollX(screen, bg_number, x); PA_BGScrollY(screen, bg_number, y);}
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00538 #define PA_SetMapTile(screen, bg_select, x, y, tile_number) {*(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) &= ALL_BUT(TILE_N); *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) |= ((tile_number)&TILE_N);}
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00562 #define PA_SetMapTileAll(screen, bg_select, x, y, tile_info) *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) = tile_info
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00588 extern inline void PA_SetLargeMapTile(bool screen, u8 bg_select, s32 x, s32 y, u32 tile_info) {
00589 u32 truex;
00590 u32 mapblock = 0;
00591 truex = x&31;
00592 mapblock = (x >> 5) << 11;
00593
00594 *(u16*)(PA_bgmap[screen][bg_select] + ((truex) << 1) + ((y) << 6) + mapblock) = tile_info;
00595 }
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00598
00620 #define PA_SetMapTileHflip(screen, bg_select, x, y, hflip) {*(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) &= ALL_BUT(TILE_HFLIP); *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) |= ((hflip) << 10);}
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00644 #define PA_SetMapTileVflip(screen, bg_select, x, y, vflip) {*(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) &= ALL_BUT(TILE_VFLIP); *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) |= ((vflip) << 11);}
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00668 #define PA_SetMapTilePal(screen, bg_select, x, y, palette_number) {*(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) &= ALL_BUT(TILE_PAL); *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) |= ((palette_number) << 12);}
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00701 #define PA_SetMapTileEx(screen, bg_select, x, y, tile_number, hflip, vflip, palette_number) *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) = (tile_number) + ((hflip) << 10) + ((vflip) << 11) + ((palette_number) << 12)
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00717 #define PA_LoadTiledBitmap(screen, tiled_bitmap) PA_LoadBg(screen, 0, tiled_bitmap, SCREEN_TILES, bitmap, BG_256X256, 1, 1)
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00753 #define PA_LoadLargeBg(screen, bg_select, bg_tiles, bg_map, color_mode, lx, ly) {\
00754 PA_LoadSimpleBg(screen, bg_select, bg_tiles, Blank, BG_512X256, 1, color_mode);\
00755 PA_InitLargeBg(screen, bg_select, lx, ly, (void*)bg_map);}
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00790 #define PA_LoadLargeBgEx(screen, bg_select, bg_tiles, tile_size, bg_map, color_mode, lx, ly) {\
00791 PA_LoadBg(screen, bg_select, bg_tiles, tile_size, Blank, BG_512X256, 1, color_mode);\
00792 PA_InitLargeBg(screen, bg_select, lx, ly, (void*)bg_map);}
00793
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00796
00812 void PA_InfLargeScrollX(bool screen, u8 bg_select, s32 x);
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00830 void PA_InfLargeScrollY(bool screen, u8 bg_select, s32 y);
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00852 extern inline void PA_InfLargeScrollXY(bool screen, u8 bg_select, s32 x, s32 y){
00853 PA_InfLargeScrollX(screen, bg_select, x);
00854 PA_InfLargeScrollY(screen, bg_select, y);
00855 }
00856
00872 void PA_LargeScrollX(bool screen, u8 bg_select, s32 x);
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00890 void PA_LargeScrollY(bool screen, u8 bg_select, s32 y);
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00912 extern inline void PA_LargeScrollXY(bool screen, u8 bg_select, s32 x, s32 y){
00913 PA_LargeScrollX(screen, bg_select, x);
00914 PA_LargeScrollY(screen, bg_select, y);
00915 }
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00940 extern inline void PA_InitParallaxX(bool screen, s32 bg0, s32 bg1, s32 bg2, s32 bg3) {
00941 PA_parallaxX[screen][0] = bg0;
00942 PA_parallaxX[screen][1] = bg1;
00943 PA_parallaxX[screen][2] = bg2;
00944 PA_parallaxX[screen][3] = bg3;
00945 }
00946
00968 extern inline void PA_InitParallaxY(bool screen, s32 bg0, s32 bg1, s32 bg2, s32 bg3) {
00969 PA_parallaxY[screen][0] = bg0;
00970 PA_parallaxY[screen][1] = bg1;
00971 PA_parallaxY[screen][2] = bg2;
00972 PA_parallaxY[screen][3] = bg3;
00973 }
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00989 extern inline void PA_ParallaxScrollX(bool screen, s32 x){
00990 u8 i;
00991 for(i = 0; i < 4; i++) {
00992 if (PA_parallaxX[screen][i]) {
00993 if(scrollpos[screen][i].infscroll) PA_InfLargeScrollX(screen, i, (PA_parallaxX[screen][i] * x) >> 8);
00994 else PA_BGScrollX(screen, i, (PA_parallaxX[screen][i] * x) >> 8);
00995 }
00996 }
00997 }
00998
00999
01012 extern inline void PA_ParallaxScrollY(bool screen, s32 y){
01013 u8 i;
01014 for(i = 0; i < 4; i++) {
01015 if (PA_parallaxY[screen][i]) {
01016 if(scrollpos[screen][i].infscroll) PA_InfLargeScrollY(screen, i, (PA_parallaxY[screen][i] * y) >> 8);
01017 else PA_BGScrollY(screen, i, (PA_parallaxY[screen][i] * y) >> 8);
01018 }
01019 }
01020 }
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01022
01038 extern inline void PA_ParallaxScrollXY(bool screen, s32 x, s32 y){
01039 PA_ParallaxScrollX(screen, x);
01040 PA_ParallaxScrollY(screen, y);
01041 }
01042
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01060 extern inline void PA_SetBgPrio(bool screen, u8 bg, u8 prio) {
01061 _REG16(REG_BGCNT(screen, bg)) &= ~3;
01062 _REG16(REG_BGCNT(screen, bg)) |= prio;
01063 }
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01072 void PA_InitLargeBg(bool screen, u8 bg_select, s32 lx, s32 ly, void* bg_map);
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01076 #endif
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