/***************************************************
BG ビットマップ転送
***************************************************/
void
lord_bg_bitmap (u16 *data, int len)
{
u16 *screen = (u16 *) VRAM;
CpuSet ( data, screen, (COPY16 | len));
}
// reset screen attributes
void setup() {
// callbacks
vblank_handler_set(0);
hblank_handler_set(0);
set_callback2((super_callback)0x812EB11);
// BGs
overworld_free_bgmaps();
gpu_tile_bg_drop_all_sets(0);
int src_zero = 0;
CpuSet(&src_zero, (void *)0x6000000, (uint)0x5006000);
// pals
pal_fade_control_and_dead_struct_reset();
palette_bg_faded_fill_black();
pal_fade_control_and_dead_struct_reset();
gpu_pal_allocator_reset();
*gpu_pal_tag_search_lower_boundary = 0;
// objs
obj_and_aux_reset_all();
// tasks
tasks_init();
// more BG setup
superstate.callback_vblank = vblank_cb;
setup_ioregs_bg();
bgid_mod_x_offset(0, 0, 0);
bgid_mod_y_offset(0, 0, 0);
bgid_mod_x_offset(1, 0, 0);
bgid_mod_y_offset(1, 0, 0);
bgid_mod_x_offset(2, 0, 0);
bgid_mod_y_offset(2, 0, 0);
bgid_mod_x_offset(3, 0, 0);
bgid_mod_y_offset(3, 0, 0);
remoboxes_acknowledge();
rboxes_free();
}
/***************************************************
キャラクタ初期化
***************************************************/
void
init_sprite_chr (void)
{
u16 *oam = DEF_MODE < MODE_3 ? OBJ_BASE_ADR : BITMAP_OBJ_BASE_ADR;// スプライトデータ
u16 *pal = OBJ_COLORS; // スプライトパレット
// 共通パレット転送
CpuSet (sprite_point1Pal, pal, (COPY16 | sprite_point1PalLen / 2));
// データ転送
CpuSet ( sprite_point1Tiles, oam, (COPY16 | sprite_point1TilesLen / 2));
CpuSet ( sprite_point2Tiles, oam + sprite_point1TilesLen / 2, (COPY16 | sprite_point1TilesLen / 2));
CpuSet ( sprite_point3Tiles, oam + sprite_point1TilesLen / 2 * 2, (COPY16 | sprite_point1TilesLen / 2));
CpuSet ( sprite_point4Tiles, oam + sprite_point1TilesLen / 2 * 3, (COPY16 | sprite_point1TilesLen / 2));
CpuSet ( sprite_point_endTiles, oam + sprite_point1TilesLen / 2 * 4, (COPY16 | sprite_point1TilesLen / 2));
CpuSet ( sprite_upTiles, oam + sprite_point1TilesLen / 2 * 5, (COPY16 | sprite_point1TilesLen / 2));
CpuSet ( sprite_downTiles, oam + sprite_point1TilesLen / 2 * 6, (COPY16 | sprite_point1TilesLen / 2));
CpuSet ( sprite_drillTiles, oam + sprite_point1TilesLen / 2 * 7, (COPY16 | sprite_point1TilesLen / 2));
CpuSet ( sprite_arrowTiles, oam + sprite_point1TilesLen / 2 * 8, (COPY16 | sprite_point1TilesLen / 2));
CpuSet ( sprite_youTiles, oam + sprite_point1TilesLen / 2 * 9, (COPY16 | sprite_youTilesLen / 2));
CpuSet ( sprite_you2Tiles, oam + sprite_point1TilesLen / 2 * 9 + sprite_youTilesLen/2, (COPY16 | sprite_youTilesLen / 2));
}
int main()
{
irqInit();
SetMode((LCDC_BITS)(MODE_1 | BG0_ON | BG2_ON | OBJ_ENABLE));
irqSet(IRQ_VBLANK, vblank);
irqEnable(IRQ_VBLANK);
float xpos = 0;
float ypos = 0;
float xdir = 0;
float ydir = 0;
int dir = 0;
BG_COLORS[0] = RGB5(31, 0, 31);
CpuFastSet(tileset_img, OBJ_BASE_ADR, COPY32 | (256 * 16) / 4);
CpuFastSet(tileset_pal, OBJ_COLORS, COPY32 | (256 / 4));
CpuFastSet(tileset_img, PATRAM4(0, 0), COPY32 | (256 * 16) / 4);
CpuFastSet(tileset_pal, BG_COLORS, COPY32 | (256 / 4));
// mock up a map
/* ((vu16*)MAP_BASE_ADR(MAP_BASE_BLOCK))[0] = 0;
((vu16*)MAP_BASE_ADR(MAP_BASE_BLOCK))[1] = 1;
((vu16*)MAP_BASE_ADR(MAP_BASE_BLOCK))[32] = 32;
((vu16*)MAP_BASE_ADR(MAP_BASE_BLOCK))[33] = 33;
((vu16*)MAP_BASE_ADR(MAP_BASE_BLOCK))[64] = 64;
((vu16*)MAP_BASE_ADR(MAP_BASE_BLOCK))[65] = 65; */
for (int y = 0; y < 32; ++y)
{
for (int x = 0; x < 32; ++x)
{
((vu16*)MAP_BASE_ADR(MAP_BASE_BLOCK + 1))[x + y * 32] = 5;
}
}
for (int x = 0; x < 32; ++x) ((vu8*)MAP_BASE_ADR(MAP_BASE_BLOCK + 1))[x] = 16;
for (int x = 0; x < 32; ++x) ((vu8*)MAP_BASE_ADR(MAP_BASE_BLOCK + 1))[31 * 32 + x] = 16;
for (int y = 0; y < 32; ++y) ((vu8*)MAP_BASE_ADR(MAP_BASE_BLOCK + 1))[y * 32] = 16;
for (int y = 0; y < 32; ++y) ((vu8*)MAP_BASE_ADR(MAP_BASE_BLOCK + 1))[y * 32 + 31] = 16;
BGCTRL[0] = SCREEN_BASE(MAP_BASE_BLOCK + 0) | CHAR_BASE(0) | BG_SIZE_0 | BG_16_COLOR | BG_PRIORITY(1); // | CHAR_PALETTE(1);
BGCTRL[2] = SCREEN_BASE(MAP_BASE_BLOCK + 1) | CHAR_BASE(0) | BG_SIZE_1 | BG_16_COLOR | BG_PRIORITY(0); // | CHAR_PALETTE(1);
float rot = 0.0f;
float last_rot = rot;
float bg_scroll = 0;
int frame = 0;
while (1)
{
int sprite_frame = (int(floor(bg_scroll)) >> 3) & 1;
if (fabs(xdir) < 1e-1) sprite_frame = 0;
// if (ypos > 0) sprite_frame = 2;
int tile_start = sprite_frame * 2;
int pal = 0;
for (int i = 0; i < 128; ++i)
{
sprites[i].attr0 = ATTR0_DISABLED;
}
int sprite = 0;
// sprites[sprite].attr0 = OBJ_Y(int(ypos) + 80 - 8) | ATTR0_COLOR_16 | ATTR0_WIDE;
// sprites[sprite].attr1 = OBJ_X(int(xpos) + 120) | OBJ_SIZE(Sprite_16x8) | (dir ? ATTR1_FLIP_X : 0);
sprites[sprite].attr0 = OBJ_Y(int(0) + 80 - 16) | ATTR0_COLOR_16 | ATTR0_WIDE;
sprites[sprite].attr1 = OBJ_X(int(0) + 120 - 8) | OBJ_SIZE(Sprite_16x8) | (dir ? ATTR1_FLIP_X : 0);
sprites[sprite].attr2 = OBJ_CHAR(tile_start) | ATTR2_PALETTE(pal); // | OBJ_TRANSLUCENT;
sprite++;
// sprites[sprite].attr0 = OBJ_Y(int(ypos) + 80) | ATTR0_COLOR_16 | ATTR0_SQUARE;
// sprites[sprite].attr1 = OBJ_X(int(xpos) + 120) | OBJ_SIZE(Sprite_16x16) | (dir ? ATTR1_FLIP_X : 0);
sprites[sprite].attr0 = OBJ_Y(int(0) + 80 - 8) | ATTR0_COLOR_16 | ATTR0_SQUARE;
sprites[sprite].attr1 = OBJ_X(int(0) + 120 - 8) | OBJ_SIZE(Sprite_16x16) | (dir ? ATTR1_FLIP_X : 0);
sprites[sprite].attr2 = OBJ_CHAR(tile_start + 32) | ATTR2_PALETTE(pal); // | OBJ_TRANSLUCENT;
sprite++;
float st = sin(last_rot);
float ct = cos(last_rot);
last_rot = last_rot + (rot - last_rot) * 0.1;
int pa = int(0x100 * ct);
int pb =-int(0x100 * st);
int pc = int(0x100 * st);
int pd = int(0x100 * ct);
// don't setup any hw-regs until vblank
VBlankIntrWait();
// setup bg0 scroll
REG_BG0HOFS = int(bg_scroll) & 0xFFFF;
// setup bg2 transform
REG_BG2PA = pa;
REG_BG2PB = pb;
REG_BG2PC = pc;
REG_BG2PD = pd;
REG_BG2X = (int(xpos) << 8) - (pa * 120 + pb * 80);
REG_BG2Y = (int(ypos) << 8) - (pc * 120 + pd * 80);
++frame;
CpuSet(sprites, OAM, (128 * sizeof(OAM[0])) / 2);
scanKeys();
u32 held = keysHeld();
u32 down = keysDown();
u32 up = keysUp();
float upx = sin(rot);
float upy = -cos(rot);
float leftx = upy;
float lefty = -upx;
if (KEY_UP & down) { xdir = upx * 5; ydir = upy * 5; }
if (KEY_L & down) { rot += M_PI / 2; }
if (KEY_R & down) { rot -= M_PI / 2; }
/* if (KEY_L & up) { rot += M_PI / 4; }
if (KEY_R & up) { rot -= M_PI / 4; } */
// external forces
#if 0
xdir *= 0.95; // friction
ydir *= 0.95; // friction
#else
float a = leftx * xdir + lefty * ydir; // dot(dir, left)
float b = upx * xdir + upy * ydir; // dot(dir, up)
float new_xdir = upx * b + 0.85 * leftx * a;
float new_ydir = upy * b + 0.85 * lefty * a;
xdir = new_xdir;
ydir = new_ydir;
#endif
if (fabs(xdir) < 1e-1) xdir = 0;
if (fabs(ydir) < 1e-1) ydir = 0;
if (KEY_RIGHT & held) { xdir -= leftx * 0.5f; ydir -= lefty * 0.5f; dir = 0; }
if (KEY_LEFT & held) { xdir += leftx * 0.5f; ydir += lefty * 0.5f; dir = 1; }
xdir -= upx * 0.25; // gravity
ydir -= upy * 0.25; // gravity
float last_xpos = xpos;
float last_ypos = ypos;
// apply forces
xpos += xdir;
ypos += ydir;
// resolve constraints
if (xpos < 0) xpos = 0;
if (xpos > 255) xpos = 255;
if (ypos < 0) ypos = 0;
if (ypos > 255) ypos = 255;
float delta_xpos = last_xpos - xpos;
float delta_ypos = last_ypos - ypos;
bg_scroll += (delta_xpos * leftx + delta_ypos * lefty) * 0.5f;
}
return 0;
}
/***************************************************
キャラクタ初期化
***************************************************/
void
init_sprite_chr (void)
{
u16 *oam = DEF_MODE < MODE_3 ? OBJ_BASE_ADR : BITMAP_OBJ_BASE_ADR; // スプライトデータ
u16 *pal = OBJ_COLORS; // スプライトパレット
// 共通パレット転送
CpuSet (shipPal, pal, (COPY16 | shipPalLen / 2));
// データ転送
// 自機
CpuSet ( SHIP_TILE, oam, (COPY16 | SHIP_TILE_LEN));
// 照準
CpuSet ( AIM_TILE, oam + SHIP_TILE_LEN, (COPY16 | AIM_TILE_LEN));
// タイル ショット
CpuSet ( SHOT_TILE, oam + SHIP_TILE_LEN + AIM_TILE_LEN,
(COPY16 | SHOT_TILE_LEN));
// タイル ショット2
CpuSet ( SHOT2_TILE, oam + SHIP_TILE_LEN + AIM_TILE_LEN + SHOT_TILE_LEN,
(COPY16 | SHOT2_TILE_LEN));
// タイル コメット
CpuSet ( COMET_TILE,
oam + SHIP_TILE_LEN + AIM_TILE_LEN + SHOT_TILE_LEN + SHOT2_TILE_LEN,
(COPY16 | COMET_TILE_LEN));
// タイル コメット2
CpuSet (
COMET2_TILE,
oam + SHIP_TILE_LEN + AIM_TILE_LEN + SHOT_TILE_LEN + SHOT2_TILE_LEN
+ COMET_TILE_LEN,
(COPY16 | COMET2_TILE_LEN));
// タイル コメット3
CpuSet (
COMET3_TILE,
oam + SHIP_TILE_LEN + AIM_TILE_LEN + SHOT_TILE_LEN + SHOT2_TILE_LEN
+ COMET_TILE_LEN + COMET2_TILE_LEN,
(COPY16 | COMET3_TILE_LEN));
// タイル 自機異常1
CpuSet (
SHIP_COMET_TILE,
oam + SHIP_TILE_LEN + AIM_TILE_LEN + SHOT_TILE_LEN + SHOT2_TILE_LEN
+ COMET_TILE_LEN + COMET2_TILE_LEN + COMET3_TILE_LEN,
(COPY16 | SHIP_COMET_TILE_LEN));
// タイル 自機異常2
CpuSet (
SHIP_COMET2_TILE,
oam + SHIP_TILE_LEN + AIM_TILE_LEN + SHOT_TILE_LEN + SHOT2_TILE_LEN
+ COMET_TILE_LEN + COMET2_TILE_LEN + COMET3_TILE_LEN
+ SHIP_COMET_TILE_LEN,
(COPY16 | SHIP_COMET2_TILE_LEN));
// タイル 自機異常3
CpuSet (
SHIP_COMET3_TILE,
oam + SHIP_TILE_LEN + AIM_TILE_LEN + SHOT_TILE_LEN + SHOT2_TILE_LEN
+ COMET_TILE_LEN + COMET2_TILE_LEN + COMET3_TILE_LEN
+ SHIP_COMET_TILE_LEN + SHIP_COMET2_TILE_LEN,
(COPY16 | SHIP_COMET3_TILE_LEN));
// タイル ショットアイコン
CpuSet (
ICON_SHOT_TILE,
oam + SHIP_TILE_LEN + AIM_TILE_LEN + SHOT_TILE_LEN + SHOT2_TILE_LEN
+ COMET_TILE_LEN + COMET2_TILE_LEN + COMET3_TILE_LEN
+ SHIP_COMET_TILE_LEN + SHIP_COMET2_TILE_LEN + SHIP_COMET3_TILE_LEN,
(COPY16 | ICON_TILE_LEN));
// タイル ストップアイコン
CpuSet (
ICON_STOP_TILE,
oam + SHIP_TILE_LEN + AIM_TILE_LEN + SHOT_TILE_LEN + SHOT2_TILE_LEN
+ COMET_TILE_LEN + COMET2_TILE_LEN + COMET3_TILE_LEN
+ SHIP_COMET_TILE_LEN + SHIP_COMET2_TILE_LEN + SHIP_COMET3_TILE_LEN
+ ICON_TILE_LEN,
(COPY16 | ICON_TILE_LEN));
// タイル ボーナスアイコン
CpuSet (
ICON_BONUS_TILE,
oam + SHIP_TILE_LEN + AIM_TILE_LEN + SHOT_TILE_LEN + SHOT2_TILE_LEN
+ COMET_TILE_LEN + COMET2_TILE_LEN + COMET3_TILE_LEN
+ SHIP_COMET_TILE_LEN + SHIP_COMET2_TILE_LEN + SHIP_COMET3_TILE_LEN
+ ICON_TILE_LEN * 2,
(COPY16 | ICON_TILE_LEN));
}
