Exemplos de OBJ_PALETTE em C++ (Cpp)

Exemplo n.º 1

Arquivo: sprites.c Projeto: IllegalLeft/gba

//---------------------------------------------------------------------------------
// Program entry point
//---------------------------------------------------------------------------------
int main(void) {
//---------------------------------------------------------------------------------


	// the vblank interrupt must be enabled for VBlankIntrWait() to work
	// since the default dispatcher handles the bios flags no vblank handler
	// is required
	irqInit();
	irqEnable(IRQ_VBLANK);

	// set mode 0, 1D mapping
	REG_DISPCNT = MODE_0 | OBJ_1D_MAP;

    init_oam(obj_buffer, 128);

	// copy sprites to appropriate memory spots
	u16 *palette_end = SPRITE_PALETTE;
	u16 *tiles_end =SPRITE_GFX;
	// blue slime
	memcpy(palette_end, blueslimePal, blueslimePalLen);
	memcpy(tiles_end, blueslimeTiles, blueslimeTilesLen);
	palette_end += blueslimePalLen/2;
	tiles_end += blueslimeTilesLen/2;
	// drakee
	memcpy(palette_end, drakeePal, drakeePalLen);
	memcpy(tiles_end, drakeeTiles, drakeeTilesLen);
	palette_end += drakeePalLen/2;
	tiles_end += drakeeTilesLen/2;
	// orange slime
	memcpy(palette_end, orangeslimePal, orangeslimePalLen);
	memcpy(tiles_end, orangeslimeTiles, orangeslimeTilesLen);
	palette_end += orangeslimePalLen/2;
	tiles_end += orangeslimeTilesLen/2;

	// enable sprites
	REG_DISPCNT |= OBJ_ON | OBJ_WIN_ENABLE;

	u16 x = 0;
	u16 y = 0;
	s8 sprite = 1;
	u16 status = ATTR0_NORMAL;


	obj_buffer[0].attr0 = (y & 0x00ff) | ATTR0_NORMAL | ATTR0_COLOR_16 | ATTR0_SQUARE;
	obj_buffer[0].attr1 = (x & 0x01ff) | ATTR1_SIZE_32;
    obj_buffer[0].attr2 = OBJ_CHAR(0);
	
	oam_copy(OAM, obj_buffer, 1);

	setRepeat(1,1);

	while (1)
	{
		// check keypad
		scanKeys();
		u16 keystate = keysDownRepeat();
		u16 keydown = keysDown();
		// directional pad
		// move sprite
		if (keystate & KEY_LEFT)
			x -= 1;
		else if (keystate & KEY_RIGHT)
			x += 1;
		if (keystate & KEY_UP)
			y -= 1;
		else if (keystate & KEY_DOWN)
			y += 1;
		// A
		// enable/disable sprite
		if (keydown & KEY_A)
		{
			if (status == ATTR0_NORMAL)
				status = ATTR0_DISABLED;
			else
				status = ATTR0_NORMAL;
		}
		// L + R
		// rotate sprites
        if (keydown & KEY_R)
		{
			sprite++;
			if (sprite > 2) sprite = 0;
		}
        else if (keydown & KEY_L)
		{
            sprite--;
			if (sprite < 0) sprite = 2;
		}
			
		// set current sprite attributes
        obj_buffer[0].attr0 = (y & 0x00ff) | status | ATTR0_COLOR_16 | ATTR0_SQUARE;
        obj_buffer[0].attr1 = (x & 0x01ff) | ATTR1_SIZE_32;
        obj_buffer[0].attr2 = OBJ_CHAR(sprite*16) | OBJ_PALETTE(sprite);

        oam_copy(OAM, obj_buffer, 1);

		VBlankIntrWait();
	}

	return 0;
}

Exemplo n.º 2

Arquivo: sprite_renderer.cpp Projeto: BackupTheBerlios/supertux-svn

void
SpriteRenderer::update()
{
  for(int i = 0; i < 128; ++i)
    {
      // OAM[i].attr0 = OBJ_Y(80)  | OBJ_SHAPE(0) | OBJ_256_COLOR;
      // OAM[i].attr1 = OBJ_X(120) | OBJ_SIZE(2);
      // OAM[i].attr2 = OBJ_CHAR(8) | OBJ_PALETTE(0) | OBJ_PRIORITY(0);
      Sprite& sprite = sprites[i];
      if (sprite.is_enabled())
        {
          OAM[i].attr0 = OBJ_Y((sprite.get_y() - sprite.get_data().get_y_align() - y_offset) & 0xFF) | OBJ_SHAPE(0) | OBJ_256_COLOR;
          OAM[i].attr1 = 
            OBJ_X((sprite.get_x() - sprite.get_data().get_x_align() - x_offset) & 0xFF) |
            OBJ_SIZE(2) |
            (sprite.get_vflip() ? OBJ_VFLIP : 0) |
            (sprite.get_hflip() ? OBJ_HFLIP : 0);
          OAM[i].attr2 = OBJ_CHAR(sprite.get_data().get_char_addr(sprite.get_frame())) | OBJ_PALETTE(0) | OBJ_PRIORITY(0);          
        }
      else
        {
          OAM[i].attr0 = OBJ_DISABLE; // OBJ_Y(80)  | OBJ_SHAPE(0) | OBJ_256_COLOR;
          OAM[i].attr1 = 0; // OBJ_X(120) | OBJ_SIZE(2);
          OAM[i].attr2 = 0; // OBJ_CHAR(8) | OBJ_PALETTE(0) | OBJ_PRIORITY(0);
        }
    }
}