PA_Tile.h

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00001 #ifndef _PA_Tile
00002 #define _PA_Tile
00003 
00004 
00005 #include "PA_Sprite.h"
00006 
00007 
00008 // Extracts the size from PAGfx convertions
00009 extern inline u8 PA_GetPAGfxBgSize(u16 width, u16 height)
00010 {
00011        u8 bg_size = 0;
00012        if (height == 512)   bg_size = 2;
00013        if (width == 512)    bg_size ++;   
00014        return bg_size;
00015 }
00016 
00017 // Extracts the size from PAGfx convertions
00018 extern inline u8 PA_GetPAGfxRotBgSize(u16 width)
00019 {
00020        u8 bg_size = 1; //256x256 by default
00021        if (width <= 128)    bg_size = 0;  
00022        else if (width <= 256)      bg_size = 1;  
00023        else if (width <= 512)      bg_size = 2;         
00024        else if (width <= 1024) bg_size = 3;             
00025        
00026        return bg_size;
00027 }
00028 
00035 //#include "../PA.h"
00036 
00037 
00038 
00040 // Système de Tiles
00042 
00043 
00044 //background memory offset macros
00045 #define CharBaseBlock(screen, n) (((n)*0x4000) + 0x6000000 + (0x200000 *  screen))
00046 #define ScreenBaseBlock(screen, n) (((n)*0x800) + 0x6000000 + (0x200000 *  screen))
00047 extern u32 PA_bgmap[2][4]; // Pointeur vers les maps, 4 maps par screen
00048 extern u8 tilesetchar[2][4];
00049 
00050 // Quantité de données à charger en fonction de la taille de la map...
00051 extern u16 bg_sizes[4];
00052 extern u8 bg_place[4];
00053 
00054 extern u16 *PA_DrawBg[2]; // Fond dessinable
00055 
00056 
00057 extern u8 charblocks[2][70];
00058 extern u16 tilesetsize[2][4]; // Place utilisée pour chaque tileset
00059 extern u16 mapsize[2][4]; // Place utilisée pour chaque map
00060 extern u8 tilesetchar[2][4];  // Emplacement mémoire de chaque tileset
00061 extern u8 mapchar[2][4];  // Emplacement mémoire de chaque map
00062 
00063 extern u8 charsetstart[2];
00064 
00065 
00066 
00067 
00068 
00069 extern s32 PA_parallaxX[2][4];
00070 extern s32 PA_parallaxY[2][4];
00071 
00072 
00073 
00074 
00075 typedef struct {
00076        u8 infscroll; // Passe à 1 si scrolling infini activé...
00077        u16* bg_map; // Map
00078 //     s32 x, y;
00079        s32 lx, ly;
00080        s32 scrollx, scrolly;
00081        s32 maxx; // 32 ou 64, en fonction de la largeur...
00082 //     s32 startx, starty;
00083 }scrollpositions;
00084 
00085 extern scrollpositions scrollpos[2][4]; // Pour chaque écran et pour chaque fond :)
00086 
00087 
00088 
00089 
00090 
00091 
00092 // Mode de couleur
00093 #define BG_COLOR16 0x00
00094 #define BG_COLOR256 0x80
00095 
00096 
00097 #define CHAR_SHIFT 2
00098 #define SCREEN_SHIFT 8
00099 #define WRAPAROUND 0x1
00100 
00101 #define SCREEN_TILES 24576  // Taille à convertir pour avoir un écran complet...
00102 
00103 
00104 //scrolling registers for background 0
00105 
00106 
00107 // Registre pour les controles de chaque écran
00108 
00109 #define REG_BGSCREEN0  0x04000000
00110 #define REG_BGSCREEN1  0x04001000
00111 #define REG_BGSCREEN(screen) (0x04000000 + (screen * 0x1000))
00112 
00113 #define REG_BGCNT(screen, bg_number) (0x4000008 + (screen * 0x1000) + (bg_number << 1))
00114 
00115 // Premier registre pour les scroll. On en déduit les autres en ajoutant pour le screen et le numéro du Bg
00116 #define REG_BGSCROLLX 0x4000010
00117 #define REG_BGSCROLLY 0x4000012
00118 
00119 
00120 // Tailles pour les Bg :
00121 #define BG_256X256 0
00122 #define BG_512X256 1
00123 #define BG_256X512 2
00124 #define BG_512X512 3
00125 
00126 #define BG_ROT_128X128 0
00127 #define BG_ROT_256X256 1
00128 #define BG_ROT_512X512 2
00129 #define BG_ROT_1024X1024 3
00130 
00131 void PA_LoadRotBgMap(u8 screen, u8 bg_select, void* bg_map, u8 bg_size);
00132 
00133 
00134 //ALL_BUT() pour faire tout sauf...
00135 #define TILE_N 1023
00136 #define TILE_PAL 61440
00137 #define TILE_HFLIP 1024
00138 #define TILE_VFLIP 2048
00139 
00140 #define PA_BGXX(screen, bg) _REG32(0x4000008 + (0x1000 * screen) + (bg << 4))
00141 #define PA_BGXY(screen, bg) _REG32(0x400000C + (0x1000 * screen) + (bg << 4))
00142 #define PA_BGXPA(screen, bg) _REG16(0x4000000 + (0x1000 * screen) + (bg << 4))
00143 #define PA_BGXPB(screen, bg) _REG16(0x4000002 + (0x1000 * screen) + (bg << 4))
00144 #define PA_BGXPC(screen, bg) _REG16(0x4000004 + (0x1000 * screen) + (bg << 4))
00145 #define PA_BGXPD(screen, bg) _REG16(0x4000006 + (0x1000 * screen) + (bg << 4))
00146 
00147 
00148 
00149 
00150 
00162 void PA_ResetBgSys(void);
00163 
00186 void PA_InitBg(u8 screen, u8 bg_select, u8 bg_size, u8 wraparound, u8 color_mode);
00187 //#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);}
00188 
00189 
00202 #define PA_HideBg(screen, bg_select) _REG16(REG_BGSCREEN(screen)) &= ~(0x100 << (bg_select))
00203 
00204 
00217 #define PA_ShowBg(screen, bg_select) _REG16(REG_BGSCREEN(screen)) |= (0x100 << (bg_select))
00218 
00219 
00229 #define PA_ResetBg(screen) _REG16(REG_BGSCREEN(screen)) &= ~(0xF00)
00230 
00231 
00232 
00248 #define PA_LoadBgTiles(screen, bg_select, bg_tiles) PA_LoadBgTilesEx(screen, bg_select, (void*)bg_tiles, SIZEOF_16BIT(bg_tiles))
00249 //#define PA_LoadBgTiles(screen, bg_select, bg_tiles) {DMA_Copy((void*)(bg_tiles), (void*)CharBaseBlock(screen, bg_select),SIZEOF_16BIT(bg_tiles), DMA_16NOW);}
00250 
00251 
00271 void PA_LoadBgTilesEx(u8 screen, u8 bg_select, void* bg_tiles, u16 size);
00272 
00273 
00289 void PA_ReLoadBgTiles(u8 screen, u8 bg_select, void* bg_tiles);
00290 
00291 
00304 void PA_DeleteTiles(u8 screen, u8 bg_select);
00305 
00306 
00319 void PA_DeleteMap(u8 screen, u8 bg_select);
00320 
00321 
00322 
00335 extern inline void PA_DeleteBg(u8 screen, u8 bg_select) {
00336        PA_HideBg(screen, bg_select);
00337        PA_DeleteTiles(screen, bg_select);
00338        PA_DeleteMap(screen, bg_select);
00339 }
00340 
00360 void PA_LoadBgMap(u8 screen, u8 bg_select, void* bg_map, u8 bg_size);
00361 
00362 
00363 
00364 
00365 
00382 #define PA_LoadTiledBg(screen, bg_number, bg_name){\
00383        PA_LoadBgPal(screen, bg_number, (void*)bg_name##_Pal); \
00384        PA_LoadSimpleBg(screen, bg_number, bg_name##_Tiles, bg_name##_Map, PA_GetPAGfxBgSize(bg_name##_Width, bg_name##_Height), 0, 1);}
00385 
00386 
00387 
00388 
00417 #define PA_LoadSimpleBg(screen, bg_select, bg_tiles, bg_map, bg_size, wraparound, color_mode) {\
00418 PA_DeleteBg(screen, bg_select);\
00419 PA_LoadBgTiles(screen, bg_select, bg_tiles); \
00420 PA_LoadBgMap(screen, bg_select, (void*)bg_map, bg_size); \
00421 PA_InitBg(screen, bg_select, bg_size, 0, color_mode);\
00422 PA_BGScrollXY(screen, bg_select, 0, 0);}
00423 
00424 
00425 
00450 #define PA_LoadRotBg(screen, bg_select, bg_tiles, bg_map, bg_size, wraparound) {\
00451 PA_DeleteBg(screen, bg_select);\
00452 PA_LoadBgTiles(screen, bg_select, bg_tiles); \
00453 PA_LoadRotBgMap(screen, bg_select, (void*)bg_map, bg_size); \
00454 PA_InitBg(screen, bg_select, bg_size, wraparound, 1);\
00455 PA_SetBgRot(screen, bg_select, 0, 0, 0, 0, 0, 256);\
00456 }
00457 
00458 void PA_SetBgRot(u8 screen, u8 bg_select, s32 x_scroll, s32 y_scroll, s32 x_rotcentre, s32 y_rotcentre, s16 bg_angle, s32 bg_zoom);
00459 
00491 #define PA_LoadBg(screen, bg_select, bg_tiles, tile_size, bg_map, bg_size, wraparound, color_mode) {\
00492 PA_LoadBgTilesEx(screen, bg_select, (void*)bg_tiles, tile_size); \
00493 PA_LoadBgMap(screen, bg_select, (void*)bg_map, bg_size); \
00494 PA_InitBg(screen, bg_select, bg_size, 0, color_mode);\
00495 PA_BGScrollXY(screen, bg_select, 0, 0);}
00496 
00497 
00498 
00514 #define PA_BGScrollX(screen, bg_number, x) _REG16(REG_BGSCROLLX + ((screen) * 0x1000) + ((bg_number) << 2)) = (x)&1023
00515 
00531 #define PA_BGScrollY(screen, bg_number, y) _REG16(REG_BGSCROLLY + ((screen) * 0x1000) + ((bg_number) << 2)) = (y)&1023
00532 
00533 
00534 
00535 
00554 #define PA_BGScrollXY(screen, bg_number, x, y) {PA_BGScrollX(screen, bg_number, x); PA_BGScrollY(screen, bg_number, y);}
00555 
00556 
00557 
00558 
00580 extern inline void PA_SetMapTile(u8 screen, u8 bg_select, s16 x, s16 y, s16 tile_number) {
00581 *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) &= ~(TILE_N); 
00582 *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) |= ((tile_number)&TILE_N);
00583 }
00584 
00585 
00607 extern inline void PA_SetMapTileAll(u8 screen, u8 bg_select, s16 x, s16 y, u16 tile_info){
00608        *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) = tile_info;
00609 }
00610 
00611 
00612 
00613 
00635 extern inline void PA_SetLargeMapTile(u8 screen, u8 bg_select, s32 x, s32 y, u32 tile_info) {
00636        u32 truex;
00637        u32 mapblock = 0;
00638        truex = x&31;
00639        mapblock = (x >> 5) << 11; // Permet d'avoir le bon block...
00640        
00641        *(u16*)(PA_bgmap[screen][bg_select] + ((truex) << 1) + ((y) << 6) + mapblock) = tile_info;
00642 }
00643 
00644 
00645 
00667 #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);}
00668 
00669 
00691 #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);}
00692 
00693 
00715 #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);}
00716 
00717 
00748 extern inline void PA_SetMapTileEx(u8 screen, u8 bg_select, s16 x, s16 y, u16 tile_number, u8 hflip, u8 vflip, u8 palette_number) {
00749        *(u16*)(PA_bgmap[screen][bg_select] + ((x) << 1) + ((y) << 6)) = (tile_number) + ((hflip) << 10) + ((vflip) << 11) + ((palette_number) << 12);
00750 }
00751 
00752 
00753 
00766 #define PA_LoadTiledBitmap(screen, tiled_bitmap) PA_LoadBg(screen, 0, tiled_bitmap, SCREEN_TILES, bitmap, BG_256X256, 1, 1)
00767 
00768 
00769 
00788 #define PA_LoadPAGfxRotBg(screen, bg_select, bg_name, wraparound) {\
00789 PA_LoadNormalBgPal(screen, (void*)bg_name##_Pal);\
00790 PA_LoadRotBg(screen, bg_select, bg_name##_Tiles, bg_name##_Map, PA_GetPAGfxRotBgSize(bg_name##_Width), wraparound);\
00791 }
00792 
00793 
00794 
00795 
00796 
00824 #define PA_LoadLargeBg(screen, bg_select, bg_tiles, bg_map, color_mode, lx, ly) {\
00825 PA_LoadSimpleBg(screen, bg_select, bg_tiles, Blank, BG_512X256, 0, color_mode);\
00826 PA_InitLargeBg(screen, bg_select, lx, ly, (void*)bg_map);}
00827 
00828 
00829 
00830 
00846 #define PA_LoadPAGfxLargeBg(screen, bg_number, bg_name){\
00847        PA_LoadBgPal(screen, bg_number, (void*)bg_name##_Pal); \
00848        PA_LoadLargeBg(screen, bg_number, bg_name##_Tiles, bg_name##_Map, 1, (bg_name##_Width) >> 3, (bg_name##_Height) >> 3);}
00849 
00850 
00851 
00882 #define PA_LoadLargeBgEx(screen, bg_select, bg_tiles, tile_size, bg_map, color_mode, lx, ly) {\
00883 PA_LoadBg(screen, bg_select, bg_tiles, tile_size, Blank, BG_512X256, 0, color_mode);\
00884 PA_InitLargeBg(screen, bg_select, lx, ly, (void*)bg_map);}
00885 
00886 
00887 
00888 
00904 void PA_InfLargeScrollX(u8 screen, u8 bg_select, s32 x);
00905 
00906 
00922 void PA_InfLargeScrollY(u8 screen, u8 bg_select, s32 y);
00923 
00924 
00925 
00944 extern inline void PA_InfLargeScrollXY(u8 screen, u8 bg_select, s32 x, s32 y){
00945        PA_InfLargeScrollX(screen, bg_select, x);
00946        PA_InfLargeScrollY(screen, bg_select, y);
00947 }
00948 
00964 void PA_LargeScrollX(u8 screen, u8 bg_select, s32 x);
00965 
00966 
00982 void PA_LargeScrollY(u8 screen, u8 bg_select, s32 y);
00983 
00984 
00985 
01004 extern inline void PA_LargeScrollXY(u8 screen, u8 bg_select, s32 x, s32 y){
01005        PA_LargeScrollX(screen, bg_select, x);
01006        PA_LargeScrollY(screen, bg_select, y);
01007 }
01008 
01009 
01010 
01032 extern inline void PA_InitParallaxX(u8 screen, s32 bg0, s32 bg1, s32 bg2, s32 bg3) {
01033         PA_parallaxX[screen][0] = bg0;
01034         PA_parallaxX[screen][1] = bg1;
01035         PA_parallaxX[screen][2] = bg2;
01036         PA_parallaxX[screen][3] = bg3;
01037 }
01038 
01060 extern inline void PA_InitParallaxY(u8 screen, s32 bg0, s32 bg1, s32 bg2, s32 bg3) {
01061         PA_parallaxY[screen][0] = bg0;
01062         PA_parallaxY[screen][1] = bg1;
01063         PA_parallaxY[screen][2] = bg2;
01064         PA_parallaxY[screen][3] = bg3;
01065 }
01066 
01067 
01068 
01081 extern inline void PA_ParallaxScrollX(u8 screen, s32 x){
01082 u8 i;
01083        for(i = 0; i < 4; i++) {
01084               if (PA_parallaxX[screen][i])  {
01085                      if(scrollpos[screen][i].infscroll) PA_InfLargeScrollX(screen, i, (PA_parallaxX[screen][i] * x) >> 8); // Si bg en scrolling infini
01086                      else PA_BGScrollX(screen, i, (PA_parallaxX[screen][i] * x) >> 8); // Sinon scrolling normal
01087               }
01088        }
01089 }
01090 
01091 
01104 extern inline void PA_ParallaxScrollY(u8 screen, s32 y){
01105 u8 i;
01106        for(i = 0; i < 4; i++) {
01107               if (PA_parallaxY[screen][i])  {
01108                      if(scrollpos[screen][i].infscroll) PA_InfLargeScrollY(screen, i, (PA_parallaxY[screen][i] * y) >> 8); // Si bg en scrolling infini
01109                      else PA_BGScrollY(screen, i, (PA_parallaxY[screen][i] * y) >> 8); // Sinon scrolling normal
01110               }
01111        }
01112 }
01113 
01114 
01130 extern inline void PA_ParallaxScrollXY(u8 screen, s32 x, s32 y){
01131        PA_ParallaxScrollX(screen, x);
01132        PA_ParallaxScrollY(screen, y);
01133 }
01134 
01135 
01136 
01152 extern inline void PA_SetBgPrio(u8 screen, u8 bg, u8 prio) {
01153        _REG16(REG_BGCNT(screen, bg)) &= ~3;
01154        _REG16(REG_BGCNT(screen, bg)) |= prio;
01155 }
01156 
01157 extern inline void PA_CreateBgFromTiles(u8 screen, u8 bg_select, u8 bg_tiles, void *bg_map, u8 bg_size){
01158 PA_LoadBgMap(screen, bg_select, bg_map, bg_size);
01159 scrollpos[screen][bg_select].infscroll = 0; // Par défaut pas de scrolling infini...
01160 PA_bgmap[screen][bg_select] = ScreenBaseBlock(screen, mapchar[screen][bg_select]);
01161 tilesetchar[screen][bg_select] = tilesetchar[screen][bg_tiles];
01162 tilesetsize[screen][bg_select] = tilesetsize[screen][bg_tiles];
01163 
01164 _REG16(REG_BGSCREEN(screen)) |= (0x100 << (bg_select));
01165 _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);
01166 PA_BGScrollXY(screen, bg_select, 0, 0);   
01167 }
01168 
01169 
01181 extern inline void PA_ClearBg(u8 screen, u8 bg_select){
01182 u8 i, j;
01183 for (i = 0; i < 32; i++) for (j = 0; j < 32; j++) PA_SetMapTileAll(screen, bg_select, i, j, 0);
01184 }
01185 
01186  // end of Backgrounds
01188 
01189 
01190 
01191 // Pas utilisé en direct par le programmaeur
01192 void PA_InitLargeBg(u8 screen, u8 bg_select, s32 lx, s32 ly, void* bg_map);
01193 
01194 
01195 
01196 #endif
01197 

Généré le Sat Mar 4 12:17:11 2006 pour PAlib par  doxygen 1.3.9.1