void PA_LoadRotBgMap(u8 screen, u8 bg_select, void* bg_map, u8 bg_size) {
s16 charset = -1;
u8 charsetok = 0;
u8 blocksize = rotbg_place[bg_size];
u8 i;
u8 tempsize;
rotbg_size[screen][bg_select] = bg_size; // Save rot bg size (values 0-3 for 128, 256, 512 and 1024)
PA_DeleteMap(screen, bg_select);
while ((charset < 31 ) && (!charsetok)) {
++charset;
tempsize = blocksize;
for(i = 0; i < blocksize; i++) {
if (charblocks[screen][charset + i] == 0) { // Si on a de la place...
--tempsize;
}
}
charsetok = !tempsize; // Si on a trouvé suffisament de blocs, on peut continuer
}
PA_BgInfo[screen][bg_select].mapchar = charset; // On place la map à un endroit précis...
PA_BgInfo[screen][bg_select].mapsize = blocksize;
DMA_Copy(bg_map, (void*)ScreenBaseBlock(screen, charset), rotbg_sizes[bg_size], DMA_16NOW);
for (i = 0; i < blocksize; i++) charblocks[screen][charset + i] = 1; // Les blocs sont occupés
}
/* the main function */
int main( ) {
int x = 0, y = 0;
/* we set the mode to mode 0 with background 0 turned on*/
*REG_DISPCNT = MODE_0 | BG0_ENABLE;
/* set up background 0 */
REG_BG0_PTR = BG_COLOR256 | TEXTBG_SIZE_256x256 |
(31 << SCREEN_SHIFT) | WRAPAROUND;
/* load the palette into background palette memory */
dma_memcpy((void*) test_palette, (void*) BG_PALETTE_MEMORY,
256, DMA_32_NOW);
/* load the tile image into tile memory */
dma_memcpy((void*) test_data, (void*) CharBaseBlock(0),
(test_width * test_height), DMA_16_NOW);
/* copy the tile map itself into memory */
unsigned short* bg0map =(unsigned short*)ScreenBaseBlock(31);
dma_memcpy((void*)testmap, (void*)bg0map, 1024, DMA_32_NOW);
/* we now loop forever displaying the image */
while (1) {
//D-pad moves background
if(!(BUTTONS & BUTTON_LEFT)) x--;
if(!(BUTTONS & BUTTON_RIGHT)) x++;
if(!(BUTTONS & BUTTON_UP)) y--;
if(!(BUTTONS & BUTTON_DOWN)) y++;
//
//wait for vertical refresh
WaitVBlank();
//use hardware background scrolling
REG_BG0VOFS = y ;
REG_BG0HOFS = x ;
int n;
for(n = 0; n < 4000; n++);
}
}
unsigned short angle = 0;
int mapLeft = 0, mapRight = 255, screenLeft = 0, screenRight = 239, nextColumn = 0, prevColumn = 0;
int mapTop = 0, mapBottom = 255, screenTop = 0, screenBottom = 159, nextRow = 0, prevRow = 0;
int moveRight = 0, moveLeft = 0, moveDown = 0, moveUp = 0;
int prevX, prevY ,spaceX, spaceY, movedLeft, movedRight, movedUp, movedDown, rotate, numSprites, numAffSprites, affIndex, currentLeftX_C, currentRightX_C, currentTopY_C, currentBottomY_C, numEnemies, mx, my;
int laserOffset = 3;
int laserYOffset = 4;
int counterFixedPointX = 0;
int counterFixedPointY = 0;
int timeSeed, randSet, enemiesKilled;
int DtoROffset = 180/PI;
unsigned short* bg0map =(unsigned short*)ScreenBaseBlock(31);
SpriteHandler sprites[128];
Sprite Sprites[128];
OBJ_AFFINE *const obj_aff_buffer = (OBJ_AFFINE*)Sprites;
void CopyColumnToBackground(int column, int copyToColumn, int topRow, int bottomRow, const unsigned short* source, unsigned short* dest, int sourceColumns)
{
int row;
column /= 8;
copyToColumn %= 32;
topRow /= 8;
bottomRow /= 8;
void GraphicsManager::DisplayTile(uint16_t x, uint16_t y, uint8_t tile, uint16_t screenBB)
{
uint16_t* ScreenBB = (uint16_t*)ScreenBaseBlock(screenBB);
ScreenBB[x + (32 * y)] = tile;
}
