PA_Tile.h

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00001 #ifndef _PA_Tile
00002 #define _PA_Tile
00003 
00004 // Extracts the size from PAGfx convertions
00005 extern inline u8 PA_GePAGfxBgSize(u16 width, u16 height)
00006 {
00007        u8 bg_size = 0;
00008        if (height == 512)   bg_size = 2;
00009        if (width == 512)    bg_size ++;   
00010        return bg_size;
00011 }
00012 
00019 //#include "../PA.h"
00020 
00021 
00022 
00024 // Système de Tiles
00026 
00027 
00028 //background memory offset macros
00029 #define CharBaseBlock(screen, n) (((n)*0x4000) + 0x6000000 + (0x200000 *  screen))
00030 #define ScreenBaseBlock(screen, n) (((n)*0x800) + 0x6000000 + (0x200000 *  screen))
00031 extern u32 PA_bgmap[2][4]; // Pointeur vers les maps, 4 maps par screen
00032 extern u8 tilesetchar[2][4];
00033 
00034 // Quantité de données à charger en fonction de la taille de la map...
00035 extern u16 bg_sizes[4];
00036 extern u8 bg_place[4];
00037 
00038 extern u16 *PA_DrawBg[2]; // Fond dessinable
00039 
00040 
00041 extern bool charblocks[2][70];
00042 extern u16 tilesetsize[2][4]; // Place utilisée pour chaque tileset
00043 extern u16 mapsize[2][4]; // Place utilisée pour chaque map
00044 extern u8 tilesetchar[2][4];  // Emplacement mémoire de chaque tileset
00045 extern u8 mapchar[2][4];  // Emplacement mémoire de chaque map
00046 
00047 extern u8 charsetstart[2];
00048 
00049 
00050 
00051 
00052 
00053 extern s32 PA_parallaxX[2][4];
00054 extern s32 PA_parallaxY[2][4];
00055 
00056 
00057 
00058 
00059 typedef struct {
00060        bool infscroll; // Passe à 1 si scrolling infini activé...
00061        u16* bg_map; // Map
00062 //     s32 x, y;
00063        s32 lx, ly;
00064        s32 scrollx, scrolly;
00065        s32 maxx; // 32 ou 64, en fonction de la largeur...
00066 //     s32 startx, starty;
00067 }scrollpositions;
00068 
00069 extern scrollpositions scrollpos[2][4]; // Pour chaque écran et pour chaque fond :)
00070 
00071 
00072 
00073 
00074 
00075 
00076 // Mode de couleur
00077 #define BG_COLOR16 0x00
00078 #define BG_COLOR256 0x80
00079 
00080 
00081 #define CHAR_SHIFT 2
00082 #define SCREEN_SHIFT 8
00083 #define WRAPAROUND 0x1
00084 
00085 #define SCREEN_TILES 24576  // Taille à convertir pour avoir un écran complet...
00086 
00087 
00088 //scrolling registers for background 0
00089 
00090 
00091 // Registre pour les controles de chaque écran
00092 
00093 #define REG_BGSCREEN0  0x04000000
00094 #define REG_BGSCREEN1  0x04001000
00095 #define REG_BGSCREEN(screen) (0x04000000 + (screen * 0x1000))
00096 
00097 #define REG_BGCNT(screen, bg_number) (0x4000008 + (screen * 0x1000) + (bg_number << 1))
00098 
00099 // Premier registre pour les scroll. On en déduit les autres en ajoutant pour le screen et le numéro du Bg
00100 #define REG_BGSCROLLX 0x4000010
00101 #define REG_BGSCROLLY 0x4000012
00102 
00103 
00104 // Tailles pour les Bg :
00105 #define BG_256X256 0
00106 #define BG_512X256 1
00107 #define BG_256X512 2
00108 #define BG_512X512 3
00109 
00110 #define BG_ROT_128X128 0
00111 #define BG_ROT_256X256 1
00112 #define BG_ROT_512X512 2
00113 #define BG_ROT_1024X1024 3
00114 
00115 void PA_LoadRotBgMap(bool screen, u8 bg_select, void* bg_map, u8 bg_size);
00116 
00117 
00118 //ALL_BUT() pour faire tout sauf...
00119 #define TILE_N 1023
00120 #define TILE_PAL 61440
00121 #define TILE_HFLIP 1024
00122 #define TILE_VFLIP 2048
00123 
00124 #define PA_BGXX(screen, bg) _REG32(0x4000008 + (0x1000 * screen) + (bg << 4))
00125 #define PA_BGXY(screen, bg) _REG32(0x400000C + (0x1000 * screen) + (bg << 4))
00126 #define PA_BGXPA(screen, bg) _REG16(0x4000000 + (0x1000 * screen) + (bg << 4))
00127 #define PA_BGXPB(screen, bg) _REG16(0x4000002 + (0x1000 * screen) + (bg << 4))
00128 #define PA_BGXPC(screen, bg) _REG16(0x4000004 + (0x1000 * screen) + (bg << 4))
00129 #define PA_BGXPD(screen, bg) _REG16(0x4000006 + (0x1000 * screen) + (bg << 4))
00130 
00131 
00132 
00133 
00134 
00146 void PA_ResetBgSys(void);
00147 
00170 void PA_InitBg(bool screen, u8 bg_select, u8 bg_size, bool wraparound, bool color_mode);
00171 //#define PA_InitBg(screen, bg_select, bg_size, wraparound, color_mode) {    PA_bgmap[screen][bg_select] = ScreenBaseBlock(screen, ((bg_select + 1) << 3) - bg_place[bg_size]);_REG16(REG_BGSCREEN(screen)) |= (0x100 << (bg_select)); _REG16(REG_BGCNT(screen, bg_select)) = ((bg_select) | (bg_size << 14) |((((bg_select + 1) << 3) - bg_place[bg_size]) << SCREEN_SHIFT) | (wraparound << 13) | ((bg_select) << 2)) + (color_mode << 7);}
00172 
00173 
00186 #define PA_HideBg(screen, bg_select) _REG16(REG_BGSCREEN(screen)) &= ~(0x100 << (bg_select))
00187 
00188 
00201 #define PA_ShowBg(screen, bg_select) _REG16(REG_BGSCREEN(screen)) |= (0x100 << (bg_select))
00202 
00203 
00213 #define PA_ResetBg(screen) _REG16(REG_BGSCREEN(screen)) &= ~(0xF00)
00214 
00215 
00216 
00232 #define PA_LoadBgTiles(screen, bg_select, bg_tiles) PA_LoadBgTilesEx(screen, bg_select, (void*)bg_tiles, SIZEOF_16BIT(bg_tiles))
00233 //#define PA_LoadBgTiles(screen, bg_select, bg_tiles) {DMA_Copy((void*)(bg_tiles), (void*)CharBaseBlock(screen, bg_select),SIZEOF_16BIT(bg_tiles), DMA_16NOW);}
00234 
00235 
00255 void PA_LoadBgTilesEx(bool screen, u8 bg_select, void* bg_tiles, u16 size);
00256 
00257 
00270 void PA_DeleteTiles(bool screen, u8 bg_select);
00271 
00272 
00285 void PA_DeleteMap(bool screen, u8 bg_select);
00286 
00287 
00288 
00301 extern inline void PA_DeleteBg(bool screen, u8 bg_select) {
00302        PA_HideBg(screen, bg_select);
00303        PA_DeleteTiles(screen, bg_select);
00304        PA_DeleteMap(screen, bg_select);
00305 }
00306 
00326 void PA_LoadBgMap(bool screen, u8 bg_select, void* bg_map, u8 bg_size);
00327 
00328 
00329 
00330 
00331 
00348 #define PA_LoadTiledBg(screen, bg_number, bg_name){\
00349        PA_LoadBgPal(screen, bg_number, (void*)bg_name##_Pal); \
00350        PA_LoadSimpleBg(screen, bg_number, bg_name##_Tiles, bg_name##_Map, PA_GePAGfxBgSize(bg_name##_Width, bg_name##_Height), 0, 1);}
00351 
00352 
00353 
00354 
00383 #define PA_LoadSimpleBg(screen, bg_select, bg_tiles, bg_map, bg_size, wraparound, color_mode) {\
00384 PA_DeleteBg(screen, bg_select);\
00385 PA_LoadBgTiles(screen, bg_select, bg_tiles); \
00386 PA_LoadBgMap(screen, bg_select, (void*)bg_map, bg_size); \
00387 PA_InitBg(screen, bg_select, bg_size, wraparound, color_mode);\
00388 PA_BGScrollXY(screen, bg_select, 0, 0);}
00389 
00414 #define PA_LoadRotBg(screen, bg_select, bg_tiles, bg_map, bg_size, wraparound) {\
00415 PA_DeleteBg(screen, bg_select);\
00416 PA_LoadBgTiles(screen, bg_select, bg_tiles); \
00417 PA_LoadRotBgMap(screen, bg_select, (void*)bg_map, bg_size); \
00418 PA_InitBg(screen, bg_select, bg_size, wraparound, 1);\
00419 PA_SetBgRot(screen, bg_select, 0, 0, 0, 0, 0, 256);\
00420 }
00421 
00422 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);
00423 
00455 #define PA_LoadBg(screen, bg_select, bg_tiles, tile_size, bg_map, bg_size, wraparound, color_mode) {\
00456 PA_LoadBgTilesEx(screen, bg_select, (void*)bg_tiles, tile_size); \
00457 PA_LoadBgMap(screen, bg_select, (void*)bg_map, bg_size); \
00458 PA_InitBg(screen, bg_select, bg_size, wraparound, color_mode);\
00459 PA_BGScrollXY(screen, bg_select, 0, 0);}
00460 
00461 
00462 
00478 #define PA_BGScrollX(screen, bg_number, x) _REG16(REG_BGSCROLLX + ((screen) * 0x1000) + ((bg_number) << 2)) = (x)&1023
00479 
00495 #define PA_BGScrollY(screen, bg_number, y) _REG16(REG_BGSCROLLY + ((screen) * 0x1000) + ((bg_number) << 2)) = (y)&1023
00496 
00497 
00498 
00499 
00518 #define PA_BGScrollXY(screen, bg_number, x, y) {PA_BGScrollX(screen, bg_number, x); PA_BGScrollY(screen, bg_number, y);}
00519 
00520 
00521 
00522 
00544 /*
00545 extern inline void PA_SetMapTile(bool screen, u8 bg_select, u16 x, u16 y, u16 tile_number) {
00546 u16 *PA_reg;
00547 PA_reg = (u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6));
00548 
00549        *PA_reg &= ALL_BUT(TILE_N);
00550        *PA_reg |= ((tile_number)&TILE_N);
00551 }*/
00552 #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);}
00553 
00554 
00576 #define PA_SetMapTileAll(screen, bg_select, x, y, tile_info) *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) = tile_info
00577 
00578 
00579 
00580 
00602 extern inline void PA_SetLargeMapTile(bool screen, u8 bg_select, s32 x, s32 y, u32 tile_info) {
00603        u32 truex;
00604        u32 mapblock = 0;
00605        truex = x&31;
00606        mapblock = (x >> 5) << 11; // Permet d'avoir le bon block...
00607        
00608        *(u16*)(PA_bgmap[screen][bg_select] + ((truex) << 1) + ((y) << 6) + mapblock) = tile_info;
00609 }
00610 
00611 
00612 
00634 #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);}
00635 
00636 
00658 #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);}
00659 
00660 
00682 #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);}
00683 
00684 
00715 #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)
00716 
00717 
00718 
00731 #define PA_LoadTiledBitmap(screen, tiled_bitmap) PA_LoadBg(screen, 0, tiled_bitmap, SCREEN_TILES, bitmap, BG_256X256, 1, 1)
00732 
00733 
00734 
00735 
00736 
00737 
00738 
00739 
00767 #define PA_LoadLargeBg(screen, bg_select, bg_tiles, bg_map, color_mode, lx, ly) {\
00768 PA_LoadSimpleBg(screen, bg_select, bg_tiles, Blank, BG_512X256, 1, color_mode);\
00769 PA_InitLargeBg(screen, bg_select, lx, ly, (void*)bg_map);}
00770 
00771 
00772 
00773 
00789 #define PA_LoadPAGfxLargeBg(screen, bg_number, bg_name){\
00790        PA_LoadBgPal(screen, bg_number, (void*)bg_name##_Pal); \
00791        PA_LoadLargeBg(screen, bg_number, bg_name##_Tiles, bg_name##_Map, 1, (bg_name##_Width) >> 3, (bg_name##_Height) >> 3);}
00792 
00793 
00794 
00825 #define PA_LoadLargeBgEx(screen, bg_select, bg_tiles, tile_size, bg_map, color_mode, lx, ly) {\
00826 PA_LoadBg(screen, bg_select, bg_tiles, tile_size, Blank, BG_512X256, 1, color_mode);\
00827 PA_InitLargeBg(screen, bg_select, lx, ly, (void*)bg_map);}
00828 
00829 
00830 
00831 
00847 void PA_InfLargeScrollX(bool screen, u8 bg_select, s32 x);
00848 
00849 
00865 void PA_InfLargeScrollY(bool screen, u8 bg_select, s32 y);
00866 
00867 
00868 
00887 extern inline void PA_InfLargeScrollXY(bool screen, u8 bg_select, s32 x, s32 y){
00888        PA_InfLargeScrollX(screen, bg_select, x);
00889        PA_InfLargeScrollY(screen, bg_select, y);
00890 }
00891 
00907 void PA_LargeScrollX(bool screen, u8 bg_select, s32 x);
00908 
00909 
00925 void PA_LargeScrollY(bool screen, u8 bg_select, s32 y);
00926 
00927 
00928 
00947 extern inline void PA_LargeScrollXY(bool screen, u8 bg_select, s32 x, s32 y){
00948        PA_LargeScrollX(screen, bg_select, x);
00949        PA_LargeScrollY(screen, bg_select, y);
00950 }
00951 
00952 
00953 
00975 extern inline void PA_InitParallaxX(bool screen, s32 bg0, s32 bg1, s32 bg2, s32 bg3) {
00976         PA_parallaxX[screen][0] = bg0;
00977         PA_parallaxX[screen][1] = bg1;
00978         PA_parallaxX[screen][2] = bg2;
00979         PA_parallaxX[screen][3] = bg3;
00980 }
00981 
01003 extern inline void PA_InitParallaxY(bool screen, s32 bg0, s32 bg1, s32 bg2, s32 bg3) {
01004         PA_parallaxY[screen][0] = bg0;
01005         PA_parallaxY[screen][1] = bg1;
01006         PA_parallaxY[screen][2] = bg2;
01007         PA_parallaxY[screen][3] = bg3;
01008 }
01009 
01010 
01011 
01024 extern inline void PA_ParallaxScrollX(bool screen, s32 x){
01025 u8 i;
01026        for(i = 0; i < 4; i++) {
01027               if (PA_parallaxX[screen][i])  {
01028                      if(scrollpos[screen][i].infscroll) PA_InfLargeScrollX(screen, i, (PA_parallaxX[screen][i] * x) >> 8); // Si bg en scrolling infini
01029                      else PA_BGScrollX(screen, i, (PA_parallaxX[screen][i] * x) >> 8); // Sinon scrolling normal
01030               }
01031        }
01032 }
01033 
01034 
01047 extern inline void PA_ParallaxScrollY(bool screen, s32 y){
01048 u8 i;
01049        for(i = 0; i < 4; i++) {
01050               if (PA_parallaxY[screen][i])  {
01051                      if(scrollpos[screen][i].infscroll) PA_InfLargeScrollY(screen, i, (PA_parallaxY[screen][i] * y) >> 8); // Si bg en scrolling infini
01052                      else PA_BGScrollY(screen, i, (PA_parallaxY[screen][i] * y) >> 8); // Sinon scrolling normal
01053               }
01054        }
01055 }
01056 
01057 
01073 extern inline void PA_ParallaxScrollXY(bool screen, s32 x, s32 y){
01074        PA_ParallaxScrollX(screen, x);
01075        PA_ParallaxScrollY(screen, y);
01076 }
01077 
01078 
01079 
01095 extern inline void PA_SetBgPrio(bool screen, u8 bg, u8 prio) {
01096        _REG16(REG_BGCNT(screen, bg)) &= ~3;
01097        _REG16(REG_BGCNT(screen, bg)) |= prio;
01098 }
01099 
01100 
01101  // end of Backgrounds
01103 
01104 
01105 
01106 // Pas utilisé en direct par le programmaeur
01107 void PA_InitLargeBg(bool screen, u8 bg_select, s32 lx, s32 ly, void* bg_map);
01108 
01109 
01110 
01111 #endif
01112 

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