void delete_sprite(sprite_t *s) {
oam_init(s->obj, 1);
s->obj = NULL;
if ((active_objs / 2) < MIN_OBJS) { return; }
for (int i = active_objs / 2; i < active_objs; i++) {
if (OBJ_VISIBLE(obj_buffer[i])) {
return;
}
}
oam_init(&obj_buffer[active_objs / 2], active_objs - (active_objs / 2));
active_objs /= 2;
}
int main(void) {
memcpy(&tile_mem[4][0], blobLargeTiles, blobLargeTilesLen);
memcpy(pal_obj_mem, blobLargePal, blobLargePalLen);
oam_init(obj_buffer, 128);
REG_DISPCNT = DCNT_OBJ | DCNT_OBJ_1D;
OBJ_ATTR * blob = &obj_buffer[0];
u32 blobTileIndex = 0;
u32 blobPalBank = 0;
//two different ways of setting OAM values: by hand and using TONC macros
blob->attr0 = (blob->attr0 & ~ATTR0_SHAPE_MASK) | ATTR0_SQUARE;
blob->attr1 = (blob->attr1 & ~ATTR1_SIZE_MASK) | ATTR1_SIZE_64;
blob->attr2 = (blob->attr2 & ~ATTR2_ID_MASK) | (blobTileIndex << ATTR2_ID_SHIFT);
blob->attr2 = (blob->attr2 & ~ATTR2_PALBANK_MASK) | (blobPalBank << ATTR2_PALBANK_SHIFT);
/*
BFN_SET2(blob->attr0, ATTR0_SQUARE, ATTR0_SHAPE);
BFN_SET2(blob->attr1, ATTR1_SIZE_64, ATTR1_SIZE);
BFN_SET(blob->attr2, blobTileIndex, ATTR2_ID);
BFN_SET(blob->attr2, blobPalBank, ATTR2_PALBANK);
*/
while (1) {
vid_vsync();
obj_unhide(blob, 0);
oam_copy(oam_mem, obj_buffer, 1);
}
}
void init_hare() {
oam_init();
dma_memcpy(&tl_mem[TB_OBJ][0], hareData, hareLen/4);
oi_set_attr(oi_face, OI_A0_AFF_FLAG | OI_A0_PAL256 | OI_A0_SIZE2X, // Square Aff-sprite
OI_A1_SIZE_64 | oi_aff2oam(0), // 64x64, using obj_aff[0]
0); // pal256, tile 0
oi_set_pos(oi_face, 120-hareWidth, 80-hareHeight);
oa_identity(&oa_buffer[0]);
dma_memcpy(pal_obj_mem, harePal, harePalLen/4);
rotate_hare(0, 0x1000);
oam_update(0, 3);
}
void init_game()
{
//Initialization
//Field_0
memcpy(pal_bg_mem, bd_forestPal, bd_forestPalLen);
memcpy(&tile_mem[0][0], bd_forestTiles, bd_forestTilesLen);
memcpy(&se_mem[30][0], bd_forestMap, bd_forestMapLen);
REG_BG0CNT = BG_CBB(0) | BG_SBB(30) | BG_4BPP | BG_REG_32x32 | BG_PRIO(1);
//Bg_Forest
memcpy(&pal_bg_bank[1], bg_forestPal, bg_forestPalLen);
memcpy(&tile_mem[0][16], bg_forestTiles, bg_forestTilesLen);
memcpy(&se_mem[28][0], bg_forestMap, bg_forestMapLen);
REG_BG1CNT = BG_CBB(0) | BG_SBB(28) | BG_4BPP | BG_REG_64x32 | BG_PRIO(0);
memcpy(&tile8_mem[4][0], pikmin_sheetTiles, pikmin_sheetTilesLen);
memcpy(pal_obj_mem, pikmin_sheetPal, pikmin_sheetPalLen);
REG_DISPCNT = DCNT_MODE0 | DCNT_BG0 | DCNT_BG1 | DCNT_OBJ| DCNT_OBJ_1D;
oam_init(obj_buffer, 128);
u32 tid=0, pb=0;
OBJ_ATTR *pkm = &obj_buffer[0];
obj_set_attr(pkm,
ATTR0_TALL,
ATTR1_SIZE_16x32,
ATTR2_PALBANK(pb) | tid);
pkm->attr0 |= ATTR0_8BPP;
oam_copy(oam_mem, obj_buffer, 1);
}
void videoInit()
{
// Blank screen for faster loading
REG_DISPCNT = DCNT_BLANK;
// Completely clear VRAM
memset16(vid_mem, 0x0000, 49152);
// BACKGROUND SETUP //
// Set background 0 control register
// -Render this BG on bottom
// -Tile indexing starts in charblock 0
// -Screen-entry indexing starts in charblock 3 / screenblock 24
// -4 bits per pixel
// -512 x 512 pixels - 32 x 32 tiles - 1 x 1 screenblocks
REG_BG0CNT = BG_PRIO(3) | BG_CBB(0) | BG_SBB(24) | BG_4BPP | BG_REG_32x32;
// Set background 2 control register - Bottom text screen
// -Render this BG on top
// -Tile indexing starts in charblock 0
// -Screen-entry indexing starts in charblock 3 / screenblock 29
// -4 bits per pixel
// -256 x 256 pixels - 32 x 32 tiles - 1 x 1 screenblocks
REG_BG2CNT = BG_PRIO(1) | BG_CBB(0) | BG_SBB(29) | BG_4BPP | BG_REG_32x32;
// Set background 3 control register - Top Text Screen
// -Render this BG on top
// -Tile indexing starts in charblock 0
// -Screen-entry indexing starts in charblock 3 / screenblock 28
// -4 bits per pixel
// -256 x 256 pixels - 32 x 32 tiles - 1 x 1 screenblocks
REG_BG3CNT = BG_PRIO(0) | BG_CBB(0) | BG_SBB(28) | BG_4BPP | BG_REG_32x32;
// Load background palette
memcpy16(&pal_bg_mem[0], g_bgPal, g_bgPalLen >> 1);
// Load background tiles
// Load Font tiles
memcpy16(&tile_mem[0][g_galaxulonFont_TilesPos], g_galaxulonFont_Tiles, g_galaxulonFont_TilesLen >> 1);
// Load other BG tiles
memcpy16(&tile_mem[0][g_blankBG_TilesPos], g_blankBG_Tiles, g_blankBG_TilesLen >> 1);
memcpy16(&tile_mem[0][g_assertTile_TilesPos], g_assertTile_Tiles, g_assertTile_TilesLen >> 1);
memcpy16(&tile_mem[0][g_demo_starsTilesPos], g_demo_starsTiles, g_demo_starsTilesLen >> 1);
// Clear Background screenmaps - set the four background screenblocks
memset32(&se_mem[24], 0x00000000, (SBB_SIZE/4));
// OAM SETUP //
// Load OAM palette
memcpy16(pal_obj_mem, g_spritePal, g_spritePalLen >> 1);
// Load OAM tiles
// Init Player sprite
memcpy16(&tile_mem_obj[0][g_playerSpriteTilesPos], g_playerSpriteTiles, g_playerSpriteTilesLen >> 1);
// Init bullet sprites
memcpy16(&tile_mem_obj[0][g_bulletSpriteTilesPos], g_bulletSpriteTiles, g_bulletSpriteTilesLen >> 1);
memcpy16(&tile_mem_obj[0][g_missileSpriteTilesPos], g_missileSpriteTiles, g_missileSpriteTilesLen >> 1);
// Init display sprites
memcpy16(&tile_mem_obj[0][g_bullet_selection1TilesPos], g_bullet_selection1Tiles, g_bullet_selection1TilesLen >> 1);
memcpy16(&tile_mem_obj[0][g_bullet_selection2TilesPos], g_bullet_selection2Tiles, g_bullet_selection2TilesLen >> 1);
// Init enemy sprites
memcpy16(&tile_mem_obj[0][g_jellyfishTilesPos], g_jellyfishTiles, g_jellyfishTilesLen >> 1);
memcpy16(&tile_mem_obj[0][g_mineTilesPos], g_mineTiles, g_mineTilesLen >> 1);
memcpy16(&tile_mem_obj[0][g_sharkTilesPos], g_sharkTiles, g_sharkTilesLen >> 1);
memcpy16(&tile_mem_obj[0][g_squidTilesPos], g_squidTiles, g_squidTilesLen >> 1);
memcpy16(&tile_mem_obj[0][g_crabTilesPos], g_crabTiles, g_crabTilesLen >> 1);
// Init upgrade sprites
memcpy16(&tile_mem_obj[0][g_extraLife_TilesPos], g_extraLife_Tiles, g_extraLife_TilesLen >> 1);
memcpy16(&tile_mem_obj[0][g_extraBomb_TilesPos], g_extraBomb_Tiles, g_extraBomb_TilesLen >> 1);
memcpy16(&tile_mem_obj[0][g_primaryFireUp_TilesPos], g_primaryFireUp_Tiles, g_primaryFireUp_TilesLen >> 1);
memcpy16(&tile_mem_obj[0][g_secondFireUp_TilesPos], g_secondFireUp_Tiles, g_secondFireUp_TilesLen >> 1);
memcpy16(&tile_mem_obj[0][g_shield_TilesPos], g_shield_Tiles, g_shield_TilesLen >> 1);
// Load Title screen logo
memcpy16(&tile_mem_obj[0][g_galaxulon_titleTilesPos1], g_galaxulon_titleTiles, g_galaxulon_titleTilesLen >> 1);
// Clear OAM
oam_init(oam_mem, 128);
// Setup Display Control Register
// -Video mode 0 - tiled
// -BG 0, BG 2, and BG 3 enabled
// -Enable sprites
// -1D sprite-mapping mode
REG_DISPCNT = DCNT_MODE0 | DCNT_OBJ_1D | DCNT_BG0 | DCNT_BG2 | DCNT_BG3 | DCNT_OBJ;
}
void init_sprites() {
oam_init(obj_buffer, 128);
}