PA_Tile.h

Go to the documentation of this file.
00001 #ifndef _PA_Tile
00002 #define _PA_Tile
00003 
00004 
00011 //#include "../PA.h"
00012 
00013 
00014 
00016 // Système de Tiles
00018 
00019 
00020 //background memory offset macros
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]; // Pointeur vers les maps, 4 maps par screen
00024 extern u8 tilesetchar[2][4];
00025 
00026 // Quantité de données à charger en fonction de la taille de la map...
00027 extern u16 bg_sizes[4];
00028 extern u8 bg_place[4];
00029 
00030 extern u16 *PA_DrawBg[2]; // Fond dessinable
00031 
00032 
00033 extern bool charblocks[2][70];
00034 extern u16 tilesetsize[2][4]; // Place utilisée pour chaque tileset
00035 extern u16 mapsize[2][4]; // Place utilisée pour chaque map
00036 extern u8 tilesetchar[2][4];  // Emplacement mémoire de chaque tileset
00037 extern u8 mapchar[2][4];  // Emplacement mémoire de chaque map
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; // Passe à 1 si scrolling infini activé...
00053        u16* bg_map; // Map
00054 //     s32 x, y;
00055        s32 lx, ly;
00056        s32 scrollx, scrolly;
00057        s32 maxx; // 32 ou 64, en fonction de la largeur...
00058 //     s32 startx, starty;
00059 }scrollpositions;
00060 
00061 extern scrollpositions scrollpos[2][4]; // Pour chaque écran et pour chaque fond :)
00062 
00063 
00064 
00065 
00066 
00067 
00068 // Mode de couleur
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...
00078 
00079 
00080 //scrolling registers for background 0
00081 
00082 
00083 // Registre pour les controles de chaque écran
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 // Premier registre pour les scroll. On en déduit les autres en ajoutant pour le screen et le numéro du Bg
00092 #define REG_BGSCROLLX 0x4000010
00093 #define REG_BGSCROLLY 0x4000012
00094 
00095 
00096 // Tailles pour les Bg :
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 //ALL_BUT() pour faire tout sauf...
00111 #define TILE_N 1023
00112 #define TILE_PAL 61440
00113 #define TILE_HFLIP 1024
00114 #define TILE_VFLIP 2048
00115 
00116 #define PA_BGXX(screen, bg) _REG32(0x4000008 + (0x1000 * screen) + (bg << 4))
00117 #define PA_BGXY(screen, bg) _REG32(0x400000C + (0x1000 * screen) + (bg << 4))
00118 #define PA_BGXPA(screen, bg) _REG32(0x4000000 + (0x1000 * screen) + (bg << 4))
00119 #define PA_BGXPB(screen, bg) _REG32(0x4000002 + (0x1000 * screen) + (bg << 4))
00120 #define PA_BGXPC(screen, bg) _REG32(0x4000004 + (0x1000 * screen) + (bg << 4))
00121 #define PA_BGXPD(screen, bg) _REG32(0x4000006 + (0x1000 * screen) + (bg << 4))
00122 
00123 
00124 
00125 
00126 
00127 
00139 void PA_ResetBgSys(void);
00140 
00163 void PA_InitBg(bool screen, u8 bg_select, u8 bg_size, bool wraparound, bool color_mode);
00164 //#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);}
00165 
00166 
00179 #define PA_HideBg(screen, bg_select) _REG16(REG_BGSCREEN(screen)) &= ~(0x100 << (bg_select))
00180 
00181 
00194 #define PA_ShowBg(screen, bg_select) _REG16(REG_BGSCREEN(screen)) |= (0x100 << (bg_select))
00195 
00196 
00206 #define PA_ResetBg(screen) _REG16(REG_BGSCREEN(screen)) &= ~(0xF00)
00207 
00208 
00209 
00225 #define PA_LoadBgTiles(screen, bg_select, bg_tiles) PA_LoadBgTilesEx(screen, bg_select, (void*)bg_tiles, SIZEOF_16BIT(bg_tiles))
00226 //#define PA_LoadBgTiles(screen, bg_select, bg_tiles) {DMA_Copy((void*)(bg_tiles), (void*)CharBaseBlock(screen, bg_select),SIZEOF_16BIT(bg_tiles), DMA_16NOW);}
00227 
00228 
00248 void PA_LoadBgTilesEx(bool screen, u8 bg_select, void* bg_tiles, u16 size);
00249 
00250 
00263 void PA_DeleteTiles(bool screen, u8 bg_select);
00264 
00265 
00278 void PA_DeleteMap(bool screen, u8 bg_select);
00279 
00280 
00281 
00294 extern inline void PA_DeleteBg(bool screen, u8 bg_select) {
00295        PA_HideBg(screen, bg_select);
00296        PA_DeleteTiles(screen, bg_select);
00297        PA_DeleteMap(screen, bg_select);
00298 }
00299 
00319 void PA_LoadBgMap(bool screen, u8 bg_select, void* bg_map, u8 bg_size);
00320 
00321 
00322 
00351 #define PA_LoadSimpleBg(screen, bg_select, bg_tiles, bg_map, bg_size, wraparound, color_mode) {\
00352 PA_DeleteBg(screen, bg_select);\
00353 PA_LoadBgTiles(screen, bg_select, bg_tiles); \
00354 PA_LoadBgMap(screen, bg_select, (void*)bg_map, bg_size); \
00355 PA_InitBg(screen, bg_select, bg_size, wraparound, color_mode);\
00356 PA_BGScrollXY(screen, bg_select, 0, 0);}
00357 
00382 #define PA_LoadRotBg(screen, bg_select, bg_tiles, bg_map, bg_size, wraparound) {\
00383 PA_DeleteBg(screen, bg_select);\
00384 PA_LoadBgTiles(screen, bg_select, bg_tiles); \
00385 PA_LoadRotBgMap(screen, bg_select, (void*)bg_map, bg_size); \
00386 PA_InitBg(screen, bg_select, bg_size, wraparound, 1);\
00387 PA_SetBgRot(screen, bg_select, 0, 0, 0, 0, 0, 256);\
00388 }
00389 
00390 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);
00391 
00423 #define PA_LoadBg(screen, bg_select, bg_tiles, tile_size, bg_map, bg_size, wraparound, color_mode) {\
00424 PA_LoadBgTilesEx(screen, bg_select, (void*)bg_tiles, tile_size); \
00425 PA_LoadBgMap(screen, bg_select, (void*)bg_map, bg_size); \
00426 PA_InitBg(screen, bg_select, bg_size, wraparound, color_mode);\
00427 PA_BGScrollXY(screen, bg_select, 0, 0);}
00428 
00429 
00430 
00446 #define PA_BGScrollX(screen, bg_number, x) _REG16(REG_BGSCROLLX + ((screen) * 0x1000) + ((bg_number) << 2)) = (x)&1023
00447 
00463 #define PA_BGScrollY(screen, bg_number, y) _REG16(REG_BGSCROLLY + ((screen) * 0x1000) + ((bg_number) << 2)) = (y)&1023
00464 
00465 
00466 
00467 
00486 #define PA_BGScrollXY(screen, bg_number, x, y) {PA_BGScrollX(screen, bg_number, x); PA_BGScrollY(screen, bg_number, y);}
00487 
00488 
00489 
00490 
00512 /*
00513 extern inline void PA_SetMapTile(bool screen, u8 bg_select, u16 x, u16 y, u16 tile_number) {
00514 u16 *PA_reg;
00515 PA_reg = (u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6));
00516 
00517        *PA_reg &= ALL_BUT(TILE_N);
00518        *PA_reg |= ((tile_number)&TILE_N);
00519 }*/
00520 #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);}
00521 
00522 
00544 #define PA_SetMapTileAll(screen, bg_select, x, y, tile_info) *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) = tile_info
00545 
00546 
00547 
00548 
00570 extern inline void PA_SetLargeMapTile(bool screen, u8 bg_select, s32 x, s32 y, u32 tile_info) {
00571        u32 truex;
00572        u32 mapblock = 0;
00573        truex = x&31;
00574        mapblock = (x >> 5) << 11; // Permet d'avoir le bon block...
00575        
00576        *(u16*)(PA_bgmap[screen][bg_select] + ((truex) << 1) + ((y) << 6) + mapblock) = tile_info;
00577 }
00578 
00579 
00580 
00602 #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);}
00603 
00604 
00626 #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);}
00627 
00628 
00650 #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);}
00651 
00652 
00683 #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)
00684 
00685 
00686 
00699 #define PA_LoadTiledBitmap(screen, tiled_bitmap) PA_LoadBg(screen, 0, tiled_bitmap, SCREEN_TILES, bitmap, BG_256X256, 1, 1)
00700 
00701 
00702 
00703 
00704 
00705 
00706 
00707 
00735 #define PA_LoadLargeBg(screen, bg_select, bg_tiles, bg_map, color_mode, lx, ly) {\
00736 PA_LoadSimpleBg(screen, bg_select, bg_tiles, Blank, BG_512X256, 1, color_mode);\
00737 PA_InitLargeBg(screen, bg_select, lx, ly, (void*)bg_map);}
00738 
00739 
00740 
00741 
00772 #define PA_LoadLargeBgEx(screen, bg_select, bg_tiles, tile_size, bg_map, color_mode, lx, ly) {\
00773 PA_LoadBg(screen, bg_select, bg_tiles, tile_size, Blank, BG_512X256, 1, color_mode);\
00774 PA_InitLargeBg(screen, bg_select, lx, ly, (void*)bg_map);}
00775 
00776 
00777 
00778 
00794 void PA_InfLargeScrollX(bool screen, u8 bg_select, s32 x);
00795 
00796 
00812 void PA_InfLargeScrollY(bool screen, u8 bg_select, s32 y);
00813 
00814 
00815 
00834 extern inline void PA_InfLargeScrollXY(bool screen, u8 bg_select, s32 x, s32 y){
00835        PA_InfLargeScrollX(screen, bg_select, x);
00836        PA_InfLargeScrollY(screen, bg_select, y);
00837 }
00838 
00854 void PA_LargeScrollX(bool screen, u8 bg_select, s32 x);
00855 
00856 
00872 void PA_LargeScrollY(bool screen, u8 bg_select, s32 y);
00873 
00874 
00875 
00894 extern inline void PA_LargeScrollXY(bool screen, u8 bg_select, s32 x, s32 y){
00895        PA_LargeScrollX(screen, bg_select, x);
00896        PA_LargeScrollY(screen, bg_select, y);
00897 }
00898 
00899 
00900 
00922 extern inline void PA_InitParallaxX(bool screen, s32 bg0, s32 bg1, s32 bg2, s32 bg3) {
00923         PA_parallaxX[screen][0] = bg0;
00924         PA_parallaxX[screen][1] = bg1;
00925         PA_parallaxX[screen][2] = bg2;
00926         PA_parallaxX[screen][3] = bg3;
00927 }
00928 
00950 extern inline void PA_InitParallaxY(bool screen, s32 bg0, s32 bg1, s32 bg2, s32 bg3) {
00951         PA_parallaxY[screen][0] = bg0;
00952         PA_parallaxY[screen][1] = bg1;
00953         PA_parallaxY[screen][2] = bg2;
00954         PA_parallaxY[screen][3] = bg3;
00955 }
00956 
00957 
00958 
00971 extern inline void PA_ParallaxScrollX(bool screen, s32 x){
00972 u8 i;
00973        for(i = 0; i < 4; i++) {
00974               if (PA_parallaxX[screen][i])  {
00975                      if(scrollpos[screen][i].infscroll) PA_InfLargeScrollX(screen, i, (PA_parallaxX[screen][i] * x) >> 8); // Si bg en scrolling infini
00976                      else PA_BGScrollX(screen, i, (PA_parallaxX[screen][i] * x) >> 8); // Sinon scrolling normal
00977               }
00978        }
00979 }
00980 
00981 
00994 extern inline void PA_ParallaxScrollY(bool screen, s32 y){
00995 u8 i;
00996        for(i = 0; i < 4; i++) {
00997               if (PA_parallaxY[screen][i])  {
00998                      if(scrollpos[screen][i].infscroll) PA_InfLargeScrollY(screen, i, (PA_parallaxY[screen][i] * y) >> 8); // Si bg en scrolling infini
00999                      else PA_BGScrollY(screen, i, (PA_parallaxY[screen][i] * y) >> 8); // Sinon scrolling normal
01000               }
01001        }
01002 }
01003 
01004 
01020 extern inline void PA_ParallaxScrollXY(bool screen, s32 x, s32 y){
01021        PA_ParallaxScrollX(screen, x);
01022        PA_ParallaxScrollY(screen, y);
01023 }
01024 
01025 
01026 
01042 extern inline void PA_SetBgPrio(bool screen, u8 bg, u8 prio) {
01043        _REG16(REG_BGCNT(screen, bg)) &= ~3;
01044        _REG16(REG_BGCNT(screen, bg)) |= prio;
01045 }
01046 
01047 
01048  // end of Backgrounds
01050 
01051 
01052 
01053 // Pas utilisé en direct par le programmaeur
01054 void PA_InitLargeBg(bool screen, u8 bg_select, s32 lx, s32 ly, void* bg_map);
01055 
01056 
01057 
01058 #endif
01059 

Generated on Tue Nov 8 13:21:07 2005 for PAlib by  doxygen 1.3.9.1