PA_Tile.h

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00001 #ifndef _PA_Tile
00002 #define _PA_Tile
00003 
00004 
00005 
00006 // Extracts the size from PAGfx convertions
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 // Extracts the size from PAGfx convertions
00016 extern inline u8 PA_GetPAGfxRotBgSize(u16 width)
00017 {
00018        u8 bg_size = 1; //256x256 by default
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 //#include "../PA.h"
00034 
00035 
00036 
00038 // Système de Tiles
00040 
00041 
00042 //background memory offset macros
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]; // Pointeur vers les maps, 4 maps par screen
00046 extern u8 tilesetchar[2][4];
00047 
00048 // Quantité de données à charger en fonction de la taille de la map...
00049 extern u16 bg_sizes[4];
00050 extern u8 bg_place[4];
00051 
00052 extern u16 *PA_DrawBg[2]; // Fond dessinable
00053 
00054 
00055 extern bool charblocks[2][70];
00056 extern u16 tilesetsize[2][4]; // Place utilisée pour chaque tileset
00057 extern u16 mapsize[2][4]; // Place utilisée pour chaque map
00058 extern u8 tilesetchar[2][4];  // Emplacement mémoire de chaque tileset
00059 extern u8 mapchar[2][4];  // Emplacement mémoire de chaque map
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; // Passe à 1 si scrolling infini activé...
00075        u16* bg_map; // Map
00076 //     s32 x, y;
00077        s32 lx, ly;
00078        s32 scrollx, scrolly;
00079        s32 maxx; // 32 ou 64, en fonction de la largeur...
00080 //     s32 startx, starty;
00081 }scrollpositions;
00082 
00083 extern scrollpositions scrollpos[2][4]; // Pour chaque écran et pour chaque fond :)
00084 
00085 
00086 
00087 
00088 
00089 
00090 // Mode de couleur
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 //scrolling registers for background 0
00103 
00104 
00105 // Registre pour les controles de chaque écran
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 // Premier registre pour les scroll. On en déduit les autres en ajoutant pour le screen et le numéro du Bg
00114 #define REG_BGSCROLLX 0x4000010
00115 #define REG_BGSCROLLY 0x4000012
00116 
00117 
00118 // Tailles pour les Bg :
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 //ALL_BUT() pour faire tout sauf...
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 //#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);}
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 //#define PA_LoadBgTiles(screen, bg_select, bg_tiles) {DMA_Copy((void*)(bg_tiles), (void*)CharBaseBlock(screen, bg_select),SIZEOF_16BIT(bg_tiles), DMA_16NOW);}
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, wraparound, 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, wraparound, 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; // Permet d'avoir le bon block...
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, 1, 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, 1, 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); // Si bg en scrolling infini
01084                      else PA_BGScrollX(screen, i, (PA_parallaxX[screen][i] * x) >> 8); // Sinon scrolling normal
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); // Si bg en scrolling infini
01107                      else PA_BGScrollY(screen, i, (PA_parallaxY[screen][i] * y) >> 8); // Sinon scrolling normal
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; // Par défaut pas de scrolling infini...
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  // end of Backgrounds
01168 
01169 
01170 
01171 // Pas utilisé en direct par le programmaeur
01172 void PA_InitLargeBg(bool screen, u8 bg_select, s32 lx, s32 ly, void* bg_map);
01173 
01174 
01175 
01176 #endif
01177 

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