00001 #ifndef _PA_Tile
00002 #define _PA_Tile
00003
00004
00005
00006
00007 extern inline u8 PA_GetPAGfxBgSize(u16 width, u16 height)
00008 {
00009 u8 bg_size = 0;
00010 if (height == 512) bg_size = 2;
00011 if (width == 512) bg_size ++;
00012 return bg_size;
00013 }
00014
00015
00016 extern inline u8 PA_GetPAGfxRotBgSize(u16 width)
00017 {
00018 u8 bg_size = 1;
00019 if (width <= 128) bg_size = 0;
00020 else if (width <= 256) bg_size = 1;
00021 else if (width <= 512) bg_size = 2;
00022 else if (width <= 1024) bg_size = 3;
00023
00024 return bg_size;
00025 }
00026
00033
00034
00035
00036
00038
00040
00041
00042
00043 #define CharBaseBlock(screen, n) (((n)*0x4000) + 0x6000000 + (0x200000 * screen))
00044 #define ScreenBaseBlock(screen, n) (((n)*0x800) + 0x6000000 + (0x200000 * screen))
00045 extern u32 PA_bgmap[2][4];
00046 extern u8 tilesetchar[2][4];
00047
00048
00049 extern u16 bg_sizes[4];
00050 extern u8 bg_place[4];
00051
00052 extern u16 *PA_DrawBg[2];
00053
00054
00055 extern bool charblocks[2][70];
00056 extern u16 tilesetsize[2][4];
00057 extern u16 mapsize[2][4];
00058 extern u8 tilesetchar[2][4];
00059 extern u8 mapchar[2][4];
00060
00061 extern u8 charsetstart[2];
00062
00063
00064
00065
00066
00067 extern s32 PA_parallaxX[2][4];
00068 extern s32 PA_parallaxY[2][4];
00069
00070
00071
00072
00073 typedef struct {
00074 bool infscroll;
00075 u16* bg_map;
00076
00077 s32 lx, ly;
00078 s32 scrollx, scrolly;
00079 s32 maxx;
00080
00081 }scrollpositions;
00082
00083 extern scrollpositions scrollpos[2][4];
00084
00085
00086
00087
00088
00089
00090
00091 #define BG_COLOR16 0x00
00092 #define BG_COLOR256 0x80
00093
00094
00095 #define CHAR_SHIFT 2
00096 #define SCREEN_SHIFT 8
00097 #define WRAPAROUND 0x1
00098
00099 #define SCREEN_TILES 24576 // Taille à convertir pour avoir un écran complet...
00100
00101
00102
00103
00104
00105
00106
00107 #define REG_BGSCREEN0 0x04000000
00108 #define REG_BGSCREEN1 0x04001000
00109 #define REG_BGSCREEN(screen) (0x04000000 + (screen * 0x1000))
00110
00111 #define REG_BGCNT(screen, bg_number) (0x4000008 + (screen * 0x1000) + (bg_number << 1))
00112
00113
00114 #define REG_BGSCROLLX 0x4000010
00115 #define REG_BGSCROLLY 0x4000012
00116
00117
00118
00119 #define BG_256X256 0
00120 #define BG_512X256 1
00121 #define BG_256X512 2
00122 #define BG_512X512 3
00123
00124 #define BG_ROT_128X128 0
00125 #define BG_ROT_256X256 1
00126 #define BG_ROT_512X512 2
00127 #define BG_ROT_1024X1024 3
00128
00129 void PA_LoadRotBgMap(bool screen, u8 bg_select, void* bg_map, u8 bg_size);
00130
00131
00132
00133 #define TILE_N 1023
00134 #define TILE_PAL 61440
00135 #define TILE_HFLIP 1024
00136 #define TILE_VFLIP 2048
00137
00138 #define PA_BGXX(screen, bg) _REG32(0x4000008 + (0x1000 * screen) + (bg << 4))
00139 #define PA_BGXY(screen, bg) _REG32(0x400000C + (0x1000 * screen) + (bg << 4))
00140 #define PA_BGXPA(screen, bg) _REG16(0x4000000 + (0x1000 * screen) + (bg << 4))
00141 #define PA_BGXPB(screen, bg) _REG16(0x4000002 + (0x1000 * screen) + (bg << 4))
00142 #define PA_BGXPC(screen, bg) _REG16(0x4000004 + (0x1000 * screen) + (bg << 4))
00143 #define PA_BGXPD(screen, bg) _REG16(0x4000006 + (0x1000 * screen) + (bg << 4))
00144
00145
00146
00147
00148
00160 void PA_ResetBgSys(void);
00161
00184 void PA_InitBg(bool screen, u8 bg_select, u8 bg_size, bool wraparound, bool color_mode);
00185
00186
00187
00200 #define PA_HideBg(screen, bg_select) _REG16(REG_BGSCREEN(screen)) &= ~(0x100 << (bg_select))
00201
00202
00215 #define PA_ShowBg(screen, bg_select) _REG16(REG_BGSCREEN(screen)) |= (0x100 << (bg_select))
00216
00217
00227 #define PA_ResetBg(screen) _REG16(REG_BGSCREEN(screen)) &= ~(0xF00)
00228
00229
00230
00246 #define PA_LoadBgTiles(screen, bg_select, bg_tiles) PA_LoadBgTilesEx(screen, bg_select, (void*)bg_tiles, SIZEOF_16BIT(bg_tiles))
00247
00248
00249
00269 void PA_LoadBgTilesEx(bool screen, u8 bg_select, void* bg_tiles, u16 size);
00270
00271
00287 void PA_ReLoadBgTiles(bool screen, u8 bg_select, void* bg_tiles);
00288
00289
00302 void PA_DeleteTiles(bool screen, u8 bg_select);
00303
00304
00317 void PA_DeleteMap(bool screen, u8 bg_select);
00318
00319
00320
00333 extern inline void PA_DeleteBg(bool screen, u8 bg_select) {
00334 PA_HideBg(screen, bg_select);
00335 PA_DeleteTiles(screen, bg_select);
00336 PA_DeleteMap(screen, bg_select);
00337 }
00338
00358 void PA_LoadBgMap(bool screen, u8 bg_select, void* bg_map, u8 bg_size);
00359
00360
00361
00362
00363
00380 #define PA_LoadTiledBg(screen, bg_number, bg_name){\
00381 PA_LoadBgPal(screen, bg_number, (void*)bg_name##_Pal); \
00382 PA_LoadSimpleBg(screen, bg_number, bg_name##_Tiles, bg_name##_Map, PA_GetPAGfxBgSize(bg_name##_Width, bg_name##_Height), 0, 1);}
00383
00384
00385
00386
00415 #define PA_LoadSimpleBg(screen, bg_select, bg_tiles, bg_map, bg_size, wraparound, color_mode) {\
00416 PA_DeleteBg(screen, bg_select);\
00417 PA_LoadBgTiles(screen, bg_select, bg_tiles); \
00418 PA_LoadBgMap(screen, bg_select, (void*)bg_map, bg_size); \
00419 PA_InitBg(screen, bg_select, bg_size, 0, color_mode);\
00420 PA_BGScrollXY(screen, bg_select, 0, 0);}
00421
00422
00423
00448 #define PA_LoadRotBg(screen, bg_select, bg_tiles, bg_map, bg_size, wraparound) {\
00449 PA_DeleteBg(screen, bg_select);\
00450 PA_LoadBgTiles(screen, bg_select, bg_tiles); \
00451 PA_LoadRotBgMap(screen, bg_select, (void*)bg_map, bg_size); \
00452 PA_InitBg(screen, bg_select, bg_size, wraparound, 1);\
00453 PA_SetBgRot(screen, bg_select, 0, 0, 0, 0, 0, 256);\
00454 }
00455
00456 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);
00457
00489 #define PA_LoadBg(screen, bg_select, bg_tiles, tile_size, bg_map, bg_size, wraparound, color_mode) {\
00490 PA_LoadBgTilesEx(screen, bg_select, (void*)bg_tiles, tile_size); \
00491 PA_LoadBgMap(screen, bg_select, (void*)bg_map, bg_size); \
00492 PA_InitBg(screen, bg_select, bg_size, 0, color_mode);\
00493 PA_BGScrollXY(screen, bg_select, 0, 0);}
00494
00495
00496
00512 #define PA_BGScrollX(screen, bg_number, x) _REG16(REG_BGSCROLLX + ((screen) * 0x1000) + ((bg_number) << 2)) = (x)&1023
00513
00529 #define PA_BGScrollY(screen, bg_number, y) _REG16(REG_BGSCROLLY + ((screen) * 0x1000) + ((bg_number) << 2)) = (y)&1023
00530
00531
00532
00533
00552 #define PA_BGScrollXY(screen, bg_number, x, y) {PA_BGScrollX(screen, bg_number, x); PA_BGScrollY(screen, bg_number, y);}
00553
00554
00555
00556
00578 extern inline void PA_SetMapTile(bool screen, u8 bg_select, s16 x, s16 y, s16 tile_number) {
00579 *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) &= ALL_BUT(TILE_N);
00580 *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) |= ((tile_number)&TILE_N);
00581 }
00582
00583
00605 extern inline void PA_SetMapTileAll(bool screen, u8 bg_select, s16 x, s16 y, u16 tile_info){
00606 *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) = tile_info;
00607 }
00608
00609
00610
00611
00633 extern inline void PA_SetLargeMapTile(bool screen, u8 bg_select, s32 x, s32 y, u32 tile_info) {
00634 u32 truex;
00635 u32 mapblock = 0;
00636 truex = x&31;
00637 mapblock = (x >> 5) << 11;
00638
00639 *(u16*)(PA_bgmap[screen][bg_select] + ((truex) << 1) + ((y) << 6) + mapblock) = tile_info;
00640 }
00641
00642
00643
00665 #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);}
00666
00667
00689 #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);}
00690
00691
00713 #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);}
00714
00715
00746 extern inline void PA_SetMapTileEx(bool screen, u8 bg_select, s16 x, s16 y, u16 tile_number, bool hflip, bool vflip, u8 palette_number) {
00747 *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) = (tile_number) + ((hflip) << 10) + ((vflip) << 11) + ((palette_number) << 12);
00748 }
00749
00750
00751
00764 #define PA_LoadTiledBitmap(screen, tiled_bitmap) PA_LoadBg(screen, 0, tiled_bitmap, SCREEN_TILES, bitmap, BG_256X256, 1, 1)
00765
00766
00767
00786 #define PA_LoadPAGfxRotBg(screen, bg_select, bg_name, wraparound) {\
00787 PA_LoadBgPal(screen, bg_select, (void*)bg_name##_Pal); \
00788 PA_LoadRotBg(screen, bg_select, bg_name##_Tiles, bg_name##_Map, PA_GetPAGfxRotBgSize(bg_name##_Width), wraparound);\
00789 }
00790
00791
00792
00793
00794
00822 #define PA_LoadLargeBg(screen, bg_select, bg_tiles, bg_map, color_mode, lx, ly) {\
00823 PA_LoadSimpleBg(screen, bg_select, bg_tiles, Blank, BG_512X256, 0, color_mode);\
00824 PA_InitLargeBg(screen, bg_select, lx, ly, (void*)bg_map);}
00825
00826
00827
00828
00844 #define PA_LoadPAGfxLargeBg(screen, bg_number, bg_name){\
00845 PA_LoadBgPal(screen, bg_number, (void*)bg_name##_Pal); \
00846 PA_LoadLargeBg(screen, bg_number, bg_name##_Tiles, bg_name##_Map, 1, (bg_name##_Width) >> 3, (bg_name##_Height) >> 3);}
00847
00848
00849
00880 #define PA_LoadLargeBgEx(screen, bg_select, bg_tiles, tile_size, bg_map, color_mode, lx, ly) {\
00881 PA_LoadBg(screen, bg_select, bg_tiles, tile_size, Blank, BG_512X256, 0, color_mode);\
00882 PA_InitLargeBg(screen, bg_select, lx, ly, (void*)bg_map);}
00883
00884
00885
00886
00902 void PA_InfLargeScrollX(bool screen, u8 bg_select, s32 x);
00903
00904
00920 void PA_InfLargeScrollY(bool screen, u8 bg_select, s32 y);
00921
00922
00923
00942 extern inline void PA_InfLargeScrollXY(bool screen, u8 bg_select, s32 x, s32 y){
00943 PA_InfLargeScrollX(screen, bg_select, x);
00944 PA_InfLargeScrollY(screen, bg_select, y);
00945 }
00946
00962 void PA_LargeScrollX(bool screen, u8 bg_select, s32 x);
00963
00964
00980 void PA_LargeScrollY(bool screen, u8 bg_select, s32 y);
00981
00982
00983
01002 extern inline void PA_LargeScrollXY(bool screen, u8 bg_select, s32 x, s32 y){
01003 PA_LargeScrollX(screen, bg_select, x);
01004 PA_LargeScrollY(screen, bg_select, y);
01005 }
01006
01007
01008
01030 extern inline void PA_InitParallaxX(bool screen, s32 bg0, s32 bg1, s32 bg2, s32 bg3) {
01031 PA_parallaxX[screen][0] = bg0;
01032 PA_parallaxX[screen][1] = bg1;
01033 PA_parallaxX[screen][2] = bg2;
01034 PA_parallaxX[screen][3] = bg3;
01035 }
01036
01058 extern inline void PA_InitParallaxY(bool screen, s32 bg0, s32 bg1, s32 bg2, s32 bg3) {
01059 PA_parallaxY[screen][0] = bg0;
01060 PA_parallaxY[screen][1] = bg1;
01061 PA_parallaxY[screen][2] = bg2;
01062 PA_parallaxY[screen][3] = bg3;
01063 }
01064
01065
01066
01079 extern inline void PA_ParallaxScrollX(bool screen, s32 x){
01080 u8 i;
01081 for(i = 0; i < 4; i++) {
01082 if (PA_parallaxX[screen][i]) {
01083 if(scrollpos[screen][i].infscroll) PA_InfLargeScrollX(screen, i, (PA_parallaxX[screen][i] * x) >> 8);
01084 else PA_BGScrollX(screen, i, (PA_parallaxX[screen][i] * x) >> 8);
01085 }
01086 }
01087 }
01088
01089
01102 extern inline void PA_ParallaxScrollY(bool screen, s32 y){
01103 u8 i;
01104 for(i = 0; i < 4; i++) {
01105 if (PA_parallaxY[screen][i]) {
01106 if(scrollpos[screen][i].infscroll) PA_InfLargeScrollY(screen, i, (PA_parallaxY[screen][i] * y) >> 8);
01107 else PA_BGScrollY(screen, i, (PA_parallaxY[screen][i] * y) >> 8);
01108 }
01109 }
01110 }
01111
01112
01128 extern inline void PA_ParallaxScrollXY(bool screen, s32 x, s32 y){
01129 PA_ParallaxScrollX(screen, x);
01130 PA_ParallaxScrollY(screen, y);
01131 }
01132
01133
01134
01150 extern inline void PA_SetBgPrio(bool screen, u8 bg, u8 prio) {
01151 _REG16(REG_BGCNT(screen, bg)) &= ~3;
01152 _REG16(REG_BGCNT(screen, bg)) |= prio;
01153 }
01154
01155 extern inline void PA_CreateBgFromTiles(bool screen, u8 bg_select, u8 bg_tiles, void *bg_map, u8 bg_size){
01156 PA_LoadBgMap(screen, bg_select, bg_map, bg_size);
01157 scrollpos[screen][bg_select].infscroll = 0;
01158 PA_bgmap[screen][bg_select] = ScreenBaseBlock(screen, mapchar[screen][bg_select]);
01159 tilesetchar[screen][bg_select] = tilesetchar[screen][bg_tiles];
01160 tilesetsize[screen][bg_select] = tilesetsize[screen][bg_tiles];
01161
01162 _REG16(REG_BGSCREEN(screen)) |= (0x100 << (bg_select));
01163 _REG16(REG_BGCNT(screen, bg_select)) = bg_select | (bg_size << 14) |(mapchar[screen][bg_select] << SCREEN_SHIFT) | (1 << 13) | (tilesetchar[screen][bg_select] << 2) | (1 << 7);
01164 PA_BGScrollXY(screen, bg_select, 0, 0);
01165 }
01166
01168
01169
01170
01171
01172 void PA_InitLargeBg(bool screen, u8 bg_select, s32 lx, s32 ly, void* bg_map);
01173
01174
01175
01176 #endif
01177