PA_Sprite.h

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00001 #ifndef _PA_Sprite
00002 #define _PA_Sprite
00003 
00004 
00005 
00012 #include "PA_Text.h"
00013 
00014 
00015 
00016 #define EWRAM_DATA   __attribute__((section(".ewram")))
00017 #define EWRAM_BSS    __attribute__((section(".sbss")))
00018 #define PA_Cos(angle) PA_SIN[((angle) + 128)&511]
00019 #define PA_Sin(angle) PA_SIN[((angle))&511]
00020 extern const s16 PA_SIN[512]; 
00021 
00022 #define MAX_DRAW 16  // Maximum 16 sprites dessinables...
00023 
00024 
00026 // Système de sprites
00028 
00029 
00030 #define OBJ_SIZE_8X8      0,0
00031 #define OBJ_SIZE_16X16    0,1
00032 #define OBJ_SIZE_32X32    0,2
00033 #define OBJ_SIZE_64X64    0,3
00034 #define OBJ_SIZE_16X8     1,0
00035 #define OBJ_SIZE_32X8     1,1
00036 #define OBJ_SIZE_32X16    1,2
00037 #define OBJ_SIZE_64X32    1,3
00038 #define OBJ_SIZE_8X16     2,0
00039 #define OBJ_SIZE_8X32     2,1
00040 #define OBJ_SIZE_16X32    2,2
00041 #define OBJ_SIZE_32X64    2,3
00042 
00043 typedef struct {
00044        u8 lx, ly;
00045 } PA_sizes;
00046 
00047 extern const PA_sizes PA_size[3][4];
00048 
00049 
00050 #define BITS_16 65535
00051 #define ALL_BUT(ATR) (BITS_16 - ATR)
00052 
00053 #define OBJ_X 511 //511, debugging...
00054 #define OBJ_Y 255
00055 #define OBJ_ROT 256
00056 #define ALL_BUT_ROTSET 49663  // Numéro du rotset
00057 #define ALL_BUT_PAL 4095
00058 
00059 #define DBLSIZE 512
00060 #define N_COLORS (1 << 13)
00061 #define OBJ_MODE 3072
00062 #define OBJ_MOSAIC 4096
00063 #define OBJ_HFLIP 4096
00064 #define OBJ_VFLIP 8192
00065 
00066 #define OBJ_GFX 1023
00067 #define OBJ_PRIO 3072
00068 
00069 #define COLORS_256 1
00070 #define COLORS_16 0
00071 
00072 
00073 
00074 #define MEM_DECAL 5
00075 #define NUMBER_DECAL 7
00076 
00077 
00078 
00079 // Mémoire gfx
00080 typedef struct {
00081    u16 mem_block;  // Emplacement en mémoire, de 0 à 1023
00082    u16 free; // Doonées libres en ce point
00083 } mem_usage;
00084 
00085 extern u16 n_free_mem[2]; // nombre d'emplacements libres
00086 extern u8 used_mem[2][1024]; // Note la quantité de mémoire utilisée en chaque point de la mémoire pour pouvoir effacer les gfx...
00087 extern u8 obj_per_gfx[2][1024]; // Nombre de sprites utilisant un gfx donné...
00088 extern mem_usage free_mem[2][1024];
00089 
00090 extern u16 FirstGfx[2];
00091 
00092 extern const u16 PA_obj_sizes[4][3];
00093 
00094 typedef struct {
00095    u16 atr0, atr1, atr2, atr3;
00096 }obj_inf;
00097 extern obj_inf PA_obj[2][128];  // Les 128 premiers pour l'écran du haut, et encore 128 pour l'écran du bas...
00098 
00099 extern u8 PA_SpritePrio[2][128]; // Set the sprite priorities...
00100 
00101 // Infos pour dessiner sur les sprites
00102 /*
00103 typedef struct {
00104        u8 screen; // Ecran
00105        u8 sprite;           // Numéro du sprite
00106        u8 wasdrawing; // Si on dessinait dessus ou pas avant
00107        s8 x, y;  // Position x et y d'avant
00108        u8 hsize, vsize; // Tailles
00109        u8 n_colors; // Nombre de couleurs
00110        u8 drawsize;
00111        u32 *gfxpointer; // Pour dessiner à l'écran directement
00112 } PA_DrawSprites;
00113 */
00114 
00115 
00116 //extern PA_DrawSprites PA_DrawSprite[MAX_DRAW];
00117 
00118 // Pour le dessin sur sprite
00119 extern unsigned char *PA_SpriteBuffer[MAX_DRAW]; // Pointeurs vers les buffers  que l'on créera à la volée
00120 
00121 extern u16 *PA_SpriteAnimP[2][1024];
00122 
00123 
00124 #define ANIM_LOOP 0 // loop around
00125 #define ANIM_UPDOWN 1 // back and forth animation
00126 
00127 #define ANIM_ONESHOT ANIM_LOOP, 1
00128 #define ANIM_INFINITE ANIM_LOOP, -1
00129 
00130 
00131 
00132 extern s16 nspriteanims; // Number of animated sprites currently...
00133 typedef struct{
00134        s32 firstframe, lastframe, currentframe; // frames...
00135        s8 framechange; // 1 by default, -1 to go back...
00136        s32 time; // Time...
00137        u8 lx, ly; // Sprite sizes
00138        u8 colors; 
00139        s16 speed;
00140        u8 play;
00141        u16 *gfx; // gfx pointer
00142        u8 type;
00143        s32 ncycles;
00144 } spriteanim;
00145 extern spriteanim spriteanims[2][128]; // Init the array on PAlib init...
00146 
00147 //#define spriteanimsize 40
00148 
00149 
00150 
00151 extern u8 PA_SpriteExtPrio;
00152 
00153 
00154 
00155 
00156 
00157 
00158 #define OAM0 0x07000000
00159 #define OAM1 0x07000400
00160 
00161 
00174 #define PA_UpdateOAM0() DMA_Copy((void*)PA_obj, (void*)OAM0, 256, DMA_32NOW)
00175 
00181 #define PA_UpdateOAM1() DMA_Copy((void*)PA_obj + 256, (void*)OAM1, 256, DMA_32NOW)
00182 
00183 
00184 
00185 
00186 
00187 
00194 void PA_UpdateOAM(void);
00195 
00196 
00218 u16 PA_CreateGfx(u8 screen, void* obj_data, u8 obj_shape, u8 obj_size, u8 color_mode);
00219 
00225 void PA_ResetSpriteSys(void);
00226 
00227 
00228 
00261 extern inline void PA_CreateSprite(u8 screen, u8 obj_number, void* obj_data, u8 obj_shape, u8 obj_size, u8 color_mode, u8 palette, s16 x, s16 y) {
00262    PA_obj[screen][obj_number].atr2 = PA_CreateGfx(screen, obj_data, obj_shape, obj_size, color_mode) + (palette << 12);
00263    PA_obj[screen][obj_number].atr0 = (y&OBJ_Y) + (color_mode << 13) + (obj_shape << 14);
00264    PA_obj[screen][obj_number].atr1 = (x & OBJ_X) + (obj_size << 14);
00265 };
00266 
00317 extern inline void PA_CreateSpriteEx(u8 screen, u8 obj_number, void* obj_data, u8 obj_shape, u8 obj_size, u8 color_mode, u8 palette, u8 obj_mode, u8 mosaic, u8 hflip, u8 vflip, u8 prio, u8 dblsize, s16 x, s16 y) {
00318    PA_obj[screen][obj_number].atr2 = PA_CreateGfx(screen, obj_data, obj_shape, obj_size, color_mode) + (prio << 10) + (palette << 12);
00319    PA_obj[screen][obj_number].atr0 = (y&OBJ_Y) + (dblsize << 9) + (obj_mode << 10) + (mosaic << 12) + ((color_mode) << 13) + (obj_shape << 14);
00320    PA_obj[screen][obj_number].atr1 = (x & OBJ_X) + (hflip << 12) + (vflip << 13) + (obj_size << 14);
00321 };
00322 
00323 
00324 
00325 
00326 
00368 extern inline void PA_Create16bitSpriteEx(u8 screen, u8 obj_number, void* obj_data, u8 obj_shape, u8 obj_size, u8 mosaic, u8 hflip, u8 vflip, u8 prio, u8 dblsize, s16 x, s16 y){
00369    PA_obj[screen][obj_number].atr2 = PA_CreateGfx(screen, obj_data, obj_shape, obj_size, 2) + (prio << 10) + (15 << 12);
00370    PA_obj[screen][obj_number].atr0 = (y&OBJ_Y) + (dblsize << 9) + (3 << 10) + (mosaic << 12) + (0 << 13) + (obj_shape << 14);
00371    PA_obj[screen][obj_number].atr1 = (x & OBJ_X) + (hflip << 12) + (vflip << 13) + (obj_size << 14);
00372 }
00373 
00374 
00375 
00376 
00403 extern inline void PA_Create16bitSpriteFromGfx(u8 screen, u8 obj_number, u16 gfx, u8 obj_shape, u8 obj_size, s16 x, s16 y){
00404    PA_obj[screen][obj_number].atr2 = gfx + (15 << 12);
00405    PA_obj[screen][obj_number].atr0 = (y&OBJ_Y) + (3 << 10) + (obj_shape << 14);
00406    PA_obj[screen][obj_number].atr1 = (x & OBJ_X) + (obj_size << 14);
00407 }
00408 
00409 
00410 
00411 
00412 
00439 extern inline void PA_Create16bitSprite(u8 screen, u8 obj_number, void* obj_data, u8 obj_shape, u8 obj_size, s16 x, s16 y){
00440 PA_Create16bitSpriteEx(screen, obj_number, obj_data, obj_shape, obj_size, 0, 0, 0, 0, 0, x, y);
00441 }
00442 
00443 
00444 
00445 
00478 extern inline void PA_CreateSpriteFromGfx(u8 screen, u8 obj_number, u16 obj_gfx, u8 obj_shape, u8 obj_size, u8 color_mode, u8 palette, s16 x, s16 y) {
00479    PA_obj[screen][obj_number].atr2 = obj_gfx + (palette << 12);
00480    PA_obj[screen][obj_number].atr0 = (y&OBJ_Y) + (color_mode << 13) + (obj_shape << 14);
00481    PA_obj[screen][obj_number].atr1 = (x & OBJ_X) + (obj_size << 14);
00482    ++obj_per_gfx[screen][obj_gfx];
00483 };
00484 
00535 extern inline void PA_CreateSpriteExFromGfx(u8 screen, u8 obj_number, u16 obj_gfx, u8 obj_shape, u8 obj_size, u8 color_mode, u8 palette, u8 obj_mode, u8 mosaic, u8 hflip, u8 vflip, u8 prio, u8 dblsize, s16 x, s16 y) {
00536    PA_obj[screen][obj_number].atr2 = obj_gfx + (prio << 10) + (palette << 12);
00537    PA_obj[screen][obj_number].atr0 = (y&OBJ_Y) + (dblsize << 9) + (obj_mode << 10) + (mosaic << 12) + (color_mode << 13) + (obj_shape << 14);
00538    PA_obj[screen][obj_number].atr1 = (x & OBJ_X) + (hflip << 12) + (vflip << 13) + (obj_size << 14);
00539    ++obj_per_gfx[screen][obj_gfx];
00540 };
00541 
00542 
00557 #define PA_UpdateSpriteGfx(screen, obj_number, obj_data) PA_UpdateGfx(screen, PA_GetSpriteGfx(screen, obj_number), obj_data)
00558 
00573 #include "PA_Text.h"
00574 #include "PA_Math.h"
00575 
00576 extern inline void PA_UpdateGfx(u8 screen, u16 gfx_number, void *obj_data) {
00577        DMA_Copy((obj_data), (void*)(SPRITE_GFX1 + (0x200000 *  (screen)) + ((gfx_number) << NUMBER_DECAL)), (used_mem[screen][gfx_number] << MEM_DECAL), DMA_32NOW);
00578 //     PA_OutputText(1, 25, PA_Rand()&15, "%dgfx   ", gfx_number);
00579 }
00580 
00581 
00597 extern inline void PA_UpdateGfxAndMem(u8 screen, u8 gfx_number, void *obj_data){
00598        DMA_Copy((obj_data), (void*)(SPRITE_GFX1 + (0x200000 *  (screen)) + ((gfx_number) << NUMBER_DECAL)), (used_mem[screen][gfx_number] << MEM_DECAL), DMA_32NOW);
00599        PA_SpriteAnimP[screen][gfx_number] = (u16*)obj_data; // mémorise la source de l'image...
00600 }
00601 
00602 
00603 
00604 
00616 void PA_DeleteGfx(u8 screen, u16 obj_gfx);
00617 
00618 
00630 void PA_DeleteSprite(u8 screen, u8 obj_number);
00631 
00632 
00648 #define PA_SetSpriteRotEnable(screen, sprite, rotset) {PA_obj[screen][sprite].atr0 |= OBJ_ROT;  PA_obj[screen][sprite].atr1 = (PA_obj[screen][sprite].atr1 & ALL_BUT_ROTSET) + ((rotset) << 9);}
00649 
00661 #define PA_SetSpriteRotDisable(screen, sprite) {PA_obj[screen][sprite].atr0 &= ALL_BUT(OBJ_ROT);  PA_obj[screen][sprite].atr1 &= ALL_BUT_ROTSET;}
00662 
00663 
00685 extern inline void PA_SetRotset(u8 screen, u8 rotset, s16 angle, u16 zoomx, u16 zoomy) {
00686 u8 obj_num = (rotset << 2);
00687        PA_obj[screen][obj_num].atr3 = (PA_Cos(angle) * zoomx) >> 8;
00688        PA_obj[screen][obj_num + 1].atr3 = (-PA_Sin(angle) * zoomy) >> 8;
00689        PA_obj[screen][obj_num + 2].atr3 = (PA_Sin(angle) * zoomx) >> 8;
00690        PA_obj[screen][obj_num + 3].atr3 = (PA_Cos(angle) * zoomy) >> 8;
00691 }
00692 
00707 extern inline void PA_SetRotsetNoZoom(u8 screen, u8 rotset, s16 angle)   {
00708 u8 obj_num = (rotset << 2);
00709        PA_obj[screen][obj_num].atr3 = PA_Cos(angle);
00710        PA_obj[screen][obj_num + 1].atr3 = -PA_Sin(angle);
00711        PA_obj[screen][obj_num + 2].atr3 = PA_Sin(angle);
00712        PA_obj[screen][obj_num + 3].atr3 = PA_Cos(angle);
00713 }
00714 
00732 extern inline void PA_SetRotsetNoAngle(u8 screen, u8 rotset, u16 zoomx, u16 zoomy) {
00733 u8 obj_num = (rotset << 2);
00734        PA_obj[screen][obj_num].atr3 = zoomx;
00735        PA_obj[screen][obj_num + 1].atr3 = 0;
00736        PA_obj[screen][obj_num + 2].atr3 = 0;
00737        PA_obj[screen][obj_num + 3].atr3 = zoomy;
00738 }
00739 
00740 
00741 
00742 
00743 
00744 
00745 
00762 #define PA_SetSpriteX(screen, obj, x) PA_obj[screen][obj].atr1 = (PA_obj[screen][obj].atr1 & ALL_BUT(OBJ_X)) + ((x) & OBJ_X)
00763 
00776 #define PA_GetSpriteX(screen, obj) (PA_obj[screen][obj].atr1 & (OBJ_X))
00777 
00778 
00793 #define PA_SetSpriteY(screen, obj, y) PA_obj[screen][obj].atr0 = (PA_obj[screen][obj].atr0 & ALL_BUT(OBJ_Y)) + ((y) & OBJ_Y)
00794 
00807 #define PA_GetSpriteY(screen, obj) (PA_obj[screen][obj].atr0 & OBJ_Y)
00808 
00809 
00810 
00828 extern inline void PA_SetSpriteXY(u8 screen, u8 sprite, s16 x, s16 y) {
00829        PA_SetSpriteX(screen, sprite, x); 
00830        PA_SetSpriteY(screen, sprite, y);
00831 }
00832 
00833 
00834 
00849 #define PA_SetSpritePal(screen, obj, pal) PA_obj[screen][obj].atr2 = (PA_obj[screen][obj].atr2 & ALL_BUT_PAL) + ((pal) << 12)
00850 
00862 #define PA_GetSpritePal(screen, obj) (PA_obj[screen][obj].atr2 >> 12)
00863 
00864 
00879 #define PA_SetSpriteDblsize(screen, obj, dblsize) PA_obj[screen][obj].atr0 = (PA_obj[screen][obj].atr0 & ALL_BUT(DBLSIZE)) + ((dblsize) << 9)
00880 
00892 #define PA_GetSpriteDblsize(screen, obj) ((PA_obj[screen][obj].atr0 & DBLSIZE) >> 9)
00893 
00894 
00909 #define PA_SetSpriteColors(screen, sprite, n_colors) PA_obj[screen][sprite].atr0 = (PA_obj[screen][sprite].atr0 & ALL_BUT(N_COLORS)) + ((n_colors) << 13)
00910 
00922 #define PA_GetSpriteColors(screen, sprite) ((PA_obj[screen][sprite].atr0 & N_COLORS) >> 13)
00923 
00924 
00925 
00940 #define PA_SetSpriteMode(screen, sprite, obj_mode) PA_obj[screen][sprite].atr0 = (PA_obj[screen][sprite].atr0 & ALL_BUT(OBJ_MODE)) + ((obj_mode) << 10)
00941 
00953 #define PA_GetSpriteMode(screen, obj) ((PA_obj[screen][obj].atr0 & OBJ_MODE) >> 10)
00954 
00955 
00970 #define PA_SetSpriteMosaic(screen, obj, mosaic) PA_obj[screen][obj].atr0 = (PA_obj[screen][obj].atr0 & ALL_BUT(OBJ_MOSAIC)) + ((mosaic) << 12)
00971 
00983 #define PA_GetSpriteMosaic(screen, obj) ((PA_obj[screen][obj].atr0 & OBJ_MOSAIC) >> 12)
00984 
00985 
00986 
01001 #define PA_SetSpriteHflip(screen, obj, hflip) PA_obj[screen][obj].atr1 = (PA_obj[screen][obj].atr1 & ALL_BUT(OBJ_HFLIP)) + ((hflip) << 12)
01002 
01014 #define PA_GetSpriteHflip(screen, obj) ((PA_obj[screen][obj].atr1 & OBJ_HFLIP) >> 12)
01015 
01016 
01031 #define PA_SetSpriteVflip(screen, obj, vflip) PA_obj[screen][obj].atr1 = (PA_obj[screen][obj].atr1 & ALL_BUT(OBJ_VFLIP)) + ((vflip) << 13)
01032 
01044 #define PA_GetSpriteVflip(screen, obj) ((PA_obj[screen][obj].atr1 & OBJ_VFLIP) >> 13)
01045 
01046 
01061 #define PA_SetSpriteGfx(screen, obj, gfx) PA_obj[screen][obj].atr2 = (PA_obj[screen][obj].atr2 & ALL_BUT(OBJ_GFX)) + ((gfx) & OBJ_GFX)
01062 
01074 #define PA_GetSpriteGfx(screen, obj) (PA_obj[screen][obj].atr2 & OBJ_GFX)
01075 
01076 
01077 
01092 #define PA_SetSpritePrio(screen, obj, prio) PA_obj[screen][obj].atr2 = (PA_obj[screen][obj].atr2 & ALL_BUT(OBJ_PRIO)) + ((prio) << 10)
01093 
01105 #define PA_GetSpritePrio(screen, obj) ((PA_obj[screen][obj].atr2 & OBJ_PRIO) >> 10)
01106 
01107 
01119 #define PA_GetSpriteLx(screen, sprite) PA_size[PA_obj[screen][sprite].atr0 >> 14][PA_obj[screen][sprite].atr1 >> 14].lx
01120 
01121 
01133 #define PA_GetSpriteLy(screen, sprite)PA_size[PA_obj[screen][sprite].atr0 >> 14][PA_obj[screen][sprite].atr1 >> 14].ly
01134 
01135 
01150 #define PA_CloneSprite(screen, obj, target) {PA_obj[screen][obj].atr0 = PA_obj[screen][target].atr0; PA_obj[screen][obj].atr1 = PA_obj[screen][target].atr1; PA_obj[screen][obj].atr2 = PA_obj[screen][target].atr2; ++obj_per_gfx[screen][PA_GetSpriteGfx(screen, target)];}
01151 
01152 
01153 
01154 
01155 
01156 
01157 
01158 
01182 extern inline void PA_SetSpriteAnimEx(u8 screen, u8 sprite, u8 lx, u8 ly, u8 ncolors, s16 animframe){
01183        u16 gfx = PA_GetSpriteGfx(screen, sprite);
01184        //PA_OutputText(1, 0, PA_Rand()&15, "%03d - %03d   ", gfx, sprite);
01185        PA_UpdateGfx(screen, gfx, (void*)(PA_SpriteAnimP[screen][gfx] + (animframe * (lx * ly) >> (2 - ncolors))));
01186 }
01187 
01202 extern inline void PA_SetSpriteAnim(u8 screen, u8 sprite, s16 animframe){
01203        PA_SetSpriteAnimEx(screen, sprite, PA_GetSpriteLx(screen, sprite), PA_GetSpriteLy(screen, sprite), PA_GetSpriteColors(screen, sprite), animframe);
01204 }
01205 
01206 
01207 
01234 void PA_StartSpriteAnimEx(u8 screen, u8 sprite, s16 firstframe, s16 lastframe, s16 speed, u8 type, s16 ncycles);
01235 
01236 
01237 
01238 
01259 extern inline void PA_StartSpriteAnim(u8 screen, u8 sprite, s16 firstframe, s16 lastframe, s16 speed){
01260        PA_StartSpriteAnimEx(screen, sprite, firstframe, lastframe, speed, ANIM_INFINITE);
01261 }
01262 
01263 
01264 
01265 
01277 extern inline void PA_StopSpriteAnim(u8 screen, u8 sprite)
01278 {
01279        if (spriteanims[screen][sprite].play) nspriteanims--;
01280        spriteanims[screen][sprite].play = 0;
01281 }
01282 
01297 extern inline void PA_SetSpriteAnimFrame(u8 screen, u8 sprite, u16 frame)
01298 {
01299        if(spriteanims[screen][sprite].currentframe != frame){
01300               PA_SetSpriteAnimEx(screen, sprite, spriteanims[screen][sprite].lx, spriteanims[screen][sprite].ly, spriteanims[screen][sprite].colors, spriteanims[screen][sprite].currentframe);
01301               spriteanims[screen][sprite].currentframe = frame;
01302        }
01303 }
01304 
01305 
01317 extern inline u16 PA_GetSpriteAnimFrame(u8 screen, u8 sprite)
01318 {
01319        return spriteanims[screen][sprite].currentframe;
01320 }
01321 
01322 
01323 
01338 extern inline void PA_SetSpriteAnimSpeed(u8 screen, u8 sprite, s16 speed)
01339 {
01340        spriteanims[screen][sprite].speed = speed;
01341 }
01342 
01354 extern inline u16 PA_GetSpriteAnimSpeed(u8 screen, u8 sprite)
01355 {
01356        return spriteanims[screen][sprite].speed;
01357 }
01358 
01359 
01374 extern inline void PA_SetSpriteNCycles(u8 screen, u8 sprite, s16 NCycles)
01375 {
01376        spriteanims[screen][sprite].ncycles = NCycles;
01377 }
01378 
01379 
01380 
01392 extern inline u16 PA_GetSpriteNCycles(u8 screen, u8 sprite)
01393 {
01394        return spriteanims[screen][sprite].speed;
01395 }
01396 
01397 
01398 
01399 
01400 
01415 extern inline void PA_SpriteAnimPause(u8 screen, u8 sprite, u8 pause)
01416 {
01417        if (pause&&spriteanims[screen][sprite].play) nspriteanims--;
01418        else if ((!pause)&&(!spriteanims[screen][sprite].play)) nspriteanims++;
01419        spriteanims[screen][sprite].play = !pause;
01420 }
01421 
01422 
01423 
01424 
01425 
01426 
01447 extern inline void PA_SetSpritePixel(u8 screen, u8 sprite, u8 x, u8 y, u8 color){
01448 u8 hsize = spriteanims[screen][sprite].lx>>3;
01449 
01450        s32 pos = (x >> 3) + ((y >> 3) * hsize);
01451        x&=7; y&=7;
01452        
01453        pos = (pos << 5) + (x >> 1) + (y << 2);
01454        
01455        u16 pixel = spriteanims[screen][sprite].gfx[pos];
01456        
01457        if (x&1){
01458               spriteanims[screen][sprite].gfx[pos] = (color << 8) | (pixel&0x00FF);               
01459        }
01460        else {
01461               spriteanims[screen][sprite].gfx[pos] = color | (pixel&0xFF00); 
01462        }
01463 }
01464 
01465 
01483 extern inline u8 PA_GetSpritePixel(u8 screen, u8 sprite, u8 x, u8 y) {
01484 u8 hsize = spriteanims[screen][sprite].lx>>3;
01485 
01486        s32 pos = (x >> 3) + ((y >> 3) * hsize);
01487        x&=7; y&=7;
01488        
01489        pos = (pos << 5) + (x >> 1) + (y << 2);
01490        
01491        u16 pixel = spriteanims[screen][sprite].gfx[pos];
01492        
01493        if (x&1){
01494               return ((pixel>>8)&255);                  
01495        }
01496        else {
01497               return (pixel&255);
01498        }
01499 }
01500 
01501 
01513 void PA_InitSpriteDraw(u8 screen, u8 sprite);
01514 
01515 
01516 
01522 extern inline void PA_InitAllSpriteDraw(void){
01523 u8 i, j;
01524 for (j = 0; j < 2; j++)
01525        for (i = 0; i < 128; i++)
01526               PA_InitSpriteDraw(j, i);
01527 }
01528 
01529 
01530 
01531 
01540 void PA_InitSpriteExtPrio(u8 SpritePrio);
01541 
01542 extern inline void PA_SetSPriteExtPrio(u8 screen, u8 sprite, u8 prio){
01543        PA_SpritePrio[screen][sprite] = prio;
01544 }
01545 
01546 
01547 
01548  // end of Sprite
01550 
01551 
01552 
01553 
01554 
01555 void PA_UpdateSpriteAnims(void);
01556 
01557 
01558 
01559 
01560 
01561 
01562 
01563 
01564 
01565 
01566 
01567 #endif
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01569 

Generated on Sat Mar 4 12:16:44 2006 for PAlib by  doxygen 1.3.9.1