feat: implement vertical sprites
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@ -0,0 +1,4 @@
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# Almost-Empty Demo Collection
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### `2d_sprites.gba`
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`grit` command: `grit sprite.bmp -ftc -pu32 -pn16 -gB4`
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@ -8,6 +8,7 @@ const Input = @import("gba").Input;
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const SquareSpriteTuple = std.meta.Tuple(&[_]type{ Sprite8x8, Sprite16x16, Sprite32x32, Sprite64x64 });
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const HorizSpriteTuple = std.meta.Tuple(&[_]type{ Sprite16x8, Sprite32x8, Sprite32x16, Sprite64x32 });
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const VertSpriteTuple = std.meta.Tuple(&[_]type{ Sprite8x16, Sprite8x32, Sprite16x32, Sprite32x64 });
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// TODO: ZigGBA should support spaces, slashes, underscores, etc. in ROM Title
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export var gameHeader linksection(".gbaheader") = GBA.Header.setup("2DSPRITE", "PAOD", "00", 0);
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@ -18,6 +19,7 @@ export var gameHeader linksection(".gbaheader") = GBA.Header.setup("2DSPRITE", "
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const square_sprites = initSquareSpriteTuple();
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const horiz_sprites = initHorizSpriteTuple();
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const vert_sprites = initVertSpriteTuple();
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fn initSquareSpriteTuple() SquareSpriteTuple {
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return .{ Sprite8x8{}, Sprite16x16{}, Sprite32x32{}, Sprite64x64{} };
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@ -27,6 +29,10 @@ fn initHorizSpriteTuple() HorizSpriteTuple {
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return .{ Sprite16x8{}, Sprite32x8{}, Sprite32x16{}, Sprite64x32{} };
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}
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fn initVertSpriteTuple() VertSpriteTuple {
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return .{ Sprite8x16{}, Sprite8x32{}, Sprite16x32{}, Sprite32x64{} };
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}
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pub fn main() noreturn {
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LCD.setupDisplayControl(.{
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.mode = .Mode0, // No Affine BGs
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@ -36,7 +42,7 @@ pub fn main() noreturn {
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OAM.init();
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const sprites = horiz_sprites;
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const sprites = square_sprites;
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sprites[0].load(); // Copy Mapping to VRAM and Palette to PALRAM
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@ -113,8 +119,11 @@ const Sprite8x8 = struct {
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fn load(_: Self) void {
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// 8x8 Sprites don't differ in any meaningful way between 1D and 2D mapping
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const sprite_width = 8; // 8x8
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const len = sprite_width * @sizeOf(u32);
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// Copy Tile Mapping
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles, Self.tiles.len * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], len);
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// Copy Palette
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GBA.memcpy32(GBA.OBJ_PALETTE_RAM, &Self.pal, Self.pal.len * @sizeOf(u32));
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@ -198,12 +207,14 @@ const Sprite32x32 = struct {
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// 9 10 11 12
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// 13 14 15 16
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const quarter = Self.tiles.len / 4;
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const px_width = 8 * 4;
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const offset = 0x40 / 4;
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const len = px_width * @sizeOf(u32);
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], quarter * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM + (quarter * 0x10), &Self.tiles[quarter], quarter * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM + (quarter * 0x20), &Self.tiles[quarter * 2], quarter * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM + (quarter * 0x30), &Self.tiles[quarter * 3], quarter * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * offset), &Self.tiles[px_width], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 2)), &Self.tiles[px_width * 2], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 3)), &Self.tiles[px_width * 3], len);
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// Palette
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GBA.memcpy32(GBA.OBJ_PALETTE_RAM, &Self.pal, Self.pal.len * @sizeOf(u32));
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@ -309,16 +320,18 @@ const Sprite64x64 = struct {
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// 49 50 51 52 53 54 55 56
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// 57 58 59 60 61 62 63 64
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const eighth = Self.tiles.len / 8;
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const px_width = 8 * 8;
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const offset = 0x40 / 8;
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const len = px_width * @sizeOf(u32);
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], eighth * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM + (eighth * 0x8), &Self.tiles[eighth], eighth * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM + (eighth * 0x10), &Self.tiles[eighth * 2], eighth * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM + (eighth * 0x18), &Self.tiles[eighth * 3], eighth * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM + (eighth * 0x20), &Self.tiles[eighth * 4], eighth * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM + (eighth * 0x28), &Self.tiles[eighth * 5], eighth * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM + (eighth * 0x30), &Self.tiles[eighth * 6], eighth * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM + (eighth * 0x38), &Self.tiles[eighth * 7], eighth * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * offset), &Self.tiles[px_width], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 2)), &Self.tiles[px_width * 2], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 3)), &Self.tiles[px_width * 3], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 4)), &Self.tiles[px_width * 4], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 5)), &Self.tiles[px_width * 5], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 6)), &Self.tiles[px_width * 6], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 7)), &Self.tiles[px_width * 7], len);
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// Palette
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GBA.memcpy32(GBA.OBJ_PALETTE_RAM, &Self.pal, Self.pal.len * @sizeOf(u32));
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@ -347,7 +360,11 @@ const Sprite16x8 = struct {
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fn load(_: Self) void {
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// In Memory, Tile Map is laid out like: 1 2
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], Self.tiles.len * @sizeOf(u32));
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const px_width = 8 * 2;
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const len = px_width * @sizeOf(u32);
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], len);
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// Palette
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GBA.memcpy32(GBA.OBJ_PALETTE_RAM, &Self.pal, Self.pal.len * @sizeOf(u32));
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@ -378,7 +395,11 @@ const Sprite32x8 = struct {
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fn load(_: Self) void {
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// In Memory, Tile Map is laid out like: 1 2 3 4
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], Self.tiles.len * @sizeOf(u32));
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const px_width = 8 * 4;
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const len = px_width * @sizeOf(u32);
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], len);
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// Palette
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GBA.memcpy32(GBA.OBJ_PALETTE_RAM, &Self.pal, Self.pal.len * @sizeOf(u32));
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@ -415,9 +436,12 @@ const Sprite32x16 = struct {
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// In Memory, Tile Map is laid out like: 1 2 3 4
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// 5 6 7 8
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const half = Self.tiles.len / 2;
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], half * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM + (half * 0x10), &Self.tiles[half], half * @sizeOf(u32));
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const px_width = 8 * 4;
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const offset = 0x40 / 4;
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const len = px_width * @sizeOf(u32);
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * offset), &Self.tiles[px_width], len);
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// Palette
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GBA.memcpy32(GBA.OBJ_PALETTE_RAM, &Self.pal, Self.pal.len * @sizeOf(u32));
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@ -482,12 +506,218 @@ const Sprite64x32 = struct {
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// 9 10 11 12 13 14 15 16
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// 17 18 19 20 21 22 23 24
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// 25 26 27 28 29 30 31 32
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const quarter = Self.tiles.len / 4;
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], quarter * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM + (quarter * 0x8), &Self.tiles[quarter], quarter * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM + (quarter * 0x10), &Self.tiles[quarter * 2], quarter * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM + (quarter * 0x18), &Self.tiles[quarter * 3], quarter * @sizeOf(u32));
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const px_width = 8 * 8;
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const offset = 0x40 / 8;
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const len = px_width * @sizeOf(u32);
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * offset), &Self.tiles[px_width], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 2)), &Self.tiles[px_width * 2], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 3)), &Self.tiles[px_width * 3], len);
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// Palette
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GBA.memcpy32(GBA.OBJ_PALETTE_RAM, &Self.pal, Self.pal.len * @sizeOf(u32));
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}
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};
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const Sprite8x16 = struct {
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const Self = @This();
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const pal = [8]u32{
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0x3DEF0000, 0x00006318, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
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};
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const tiles = [16]u32{
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0x21111112, 0x21111112, 0x12111121, 0x12111121, 0x11211211, 0x11211211, 0x11112111, 0x11112111,
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0x11121111, 0x11121111, 0x11211211, 0x11211211, 0x12111121, 0x12111121, 0x21111112, 0x21111112,
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};
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fn paletteMode(_: Self) GBA.PaletteMode {
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return .Color16;
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}
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fn size(_: Self) OAM.ObjectSize {
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return .Size8x16;
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}
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fn load(_: Self) void {
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// In Memory, Tile Map is laid out like: 1
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// 2
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const sprite_len = 8;
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], sprite_len * @sizeOf(u32));
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GBA.memcpy32(GBA.SPRITE_VRAM + (sprite_len * 0x40), &Self.tiles[sprite_len], sprite_len * @sizeOf(u32));
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// Palette
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GBA.memcpy32(GBA.OBJ_PALETTE_RAM, &Self.pal, Self.pal.len * @sizeOf(u32));
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}
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};
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const Sprite8x32 = struct {
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const Self = @This();
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const pal = [8]u32{
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0x3DEF0000, 0x00006318, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
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};
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const tiles = [32]u32{
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0x21111112, 0x21111112, 0x21111112, 0x21111112, 0x12111121, 0x12111121, 0x12111121, 0x12111121,
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0x11211211, 0x11211211, 0x11211211, 0x11211211, 0x11112111, 0x11112111, 0x11112111, 0x11112111,
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0x11121111, 0x11121111, 0x11121111, 0x11121111, 0x11211211, 0x11211211, 0x11211211, 0x11211211,
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0x12111121, 0x12111121, 0x12111121, 0x12111121, 0x21111112, 0x21111112, 0x21111112, 0x21111112,
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};
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fn paletteMode(_: Self) GBA.PaletteMode {
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return .Color16;
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}
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fn size(_: Self) OAM.ObjectSize {
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return .Size8x32;
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}
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fn load(_: Self) void {
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// In Memory, Tile Map is laid out like: 1
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// 2
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// 3
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// 4
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const px_width = 8;
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const offset = 0x40;
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const len = px_width * @sizeOf(u32);
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * offset), &Self.tiles[px_width], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 2)), &Self.tiles[px_width * 2], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 3)), &Self.tiles[px_width * 3], len);
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// Palette
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GBA.memcpy32(GBA.OBJ_PALETTE_RAM, &Self.pal, Self.pal.len * @sizeOf(u32));
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}
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};
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const Sprite16x32 = struct {
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const Self = @This();
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const pal = [8]u32{
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0x3DEF0000, 0x00006318, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
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};
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const tiles = [64]u32{
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0x11111112, 0x11111112, 0x11111121, 0x11111121, 0x11111211, 0x11111211, 0x11112111, 0x11112111,
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0x21111111, 0x21111111, 0x12111111, 0x12111111, 0x11211111, 0x11211111, 0x11121111, 0x11121111,
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0x11121111, 0x11121111, 0x11211111, 0x11211111, 0x12111111, 0x12111111, 0x21111111, 0x21111111,
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0x11112111, 0x11112111, 0x11111211, 0x11111211, 0x11111121, 0x11111121, 0x11111111, 0x11111111,
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0x11111111, 0x11111111, 0x12111111, 0x12111111, 0x11211111, 0x11211111, 0x11121111, 0x11121111,
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0x11111112, 0x11111112, 0x11111121, 0x11111121, 0x11111211, 0x11111211, 0x11112111, 0x11112111,
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0x11112111, 0x11112111, 0x11111211, 0x11111211, 0x11111121, 0x11111121, 0x11111112, 0x11111112,
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0x11121111, 0x11121111, 0x11211111, 0x11211111, 0x12111111, 0x12111111, 0x21111111, 0x21111111,
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};
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fn paletteMode(_: Self) GBA.PaletteMode {
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return .Color16;
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}
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fn size(_: Self) OAM.ObjectSize {
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return .Size16x32;
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}
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fn load(_: Self) void {
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// In Memory, Tile Map is laid out like: 1 2
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// 3 4
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// 5 6
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// 7 8
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const px_width = 8 * 2;
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const offset = 0x40 / 2;
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const len = px_width * @sizeOf(u32);
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GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * offset), &Self.tiles[px_width], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 2)), &Self.tiles[px_width * 2], len);
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GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 3)), &Self.tiles[px_width * 3], len);
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// Palette
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GBA.memcpy32(GBA.OBJ_PALETTE_RAM, &Self.pal, Self.pal.len * @sizeOf(u32));
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}
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};
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const Sprite32x64 = struct {
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const Self = @This();
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const pal = [8]u32{
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0x3DEF0000, 0x00006318, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
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};
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const tiles = [256]u32{
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0x11111112, 0x11111112, 0x11111121, 0x11111121, 0x11111211, 0x11111211, 0x11112111, 0x11112111,
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0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
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0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
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0x21111111, 0x21111111, 0x12111111, 0x12111111, 0x11211111, 0x11211111, 0x11121111, 0x11121111,
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0x11121111, 0x11121111, 0x11211111, 0x11211111, 0x12111111, 0x12111111, 0x21111111, 0x21111111,
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0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
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0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
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0x11112111, 0x11112111, 0x11111211, 0x11111211, 0x11111121, 0x11111121, 0x11111112, 0x11111112,
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0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
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0x11111112, 0x11111112, 0x11111121, 0x11111121, 0x11111211, 0x11111211, 0x11112111, 0x11112111,
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0x21111111, 0x21111111, 0x12111111, 0x12111111, 0x11211111, 0x11211111, 0x11121111, 0x11121111,
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0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
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0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
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0x11121111, 0x11121111, 0x11211111, 0x11211111, 0x12111111, 0x12111111, 0x21111111, 0x21111111,
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0x11112111, 0x11112111, 0x11111211, 0x11111211, 0x11111121, 0x11111121, 0x11111111, 0x11111111,
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0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
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0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
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0x11111111, 0x11111111, 0x12111111, 0x12111111, 0x11211111, 0x11211111, 0x11121111, 0x11121111,
|
||||
0x11111112, 0x11111112, 0x11111121, 0x11111121, 0x11111211, 0x11111211, 0x11112111, 0x11112111,
|
||||
0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
|
||||
0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
|
||||
0x11112111, 0x11112111, 0x11111211, 0x11111211, 0x11111121, 0x11111121, 0x11111112, 0x11111112,
|
||||
0x11121111, 0x11121111, 0x11211111, 0x11211111, 0x12111111, 0x12111111, 0x21111111, 0x21111111,
|
||||
0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
|
||||
|
||||
0x21111111, 0x21111111, 0x12111111, 0x12111111, 0x11211111, 0x11211111, 0x11121111, 0x11121111,
|
||||
0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
|
||||
0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
|
||||
0x11111112, 0x11111112, 0x11111121, 0x11111121, 0x11111211, 0x11111211, 0x11112111, 0x11112111,
|
||||
0x11112111, 0x11112111, 0x11111211, 0x11111211, 0x11111121, 0x11111121, 0x11111112, 0x11111112,
|
||||
0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
|
||||
0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111, 0x11111111,
|
||||
0x11121111, 0x11121111, 0x11211111, 0x11211111, 0x12111111, 0x12111111, 0x21111111, 0x21111111,
|
||||
};
|
||||
|
||||
fn paletteMode(_: Self) GBA.PaletteMode {
|
||||
return .Color16;
|
||||
}
|
||||
|
||||
fn size(_: Self) OAM.ObjectSize {
|
||||
return .Size32x64;
|
||||
}
|
||||
|
||||
fn load(_: Self) void {
|
||||
// In Memory, Tile Map is laid out like: 1 2 3 4
|
||||
// 5 6 7 8
|
||||
// 9 10 11 12
|
||||
// 13 14 15 16
|
||||
// 17 18 19 20
|
||||
// 21 22 23 24
|
||||
// 25 26 27 28
|
||||
// 29 30 31 32
|
||||
|
||||
const px_width = 8 * 4;
|
||||
const offset = 0x40 / 4;
|
||||
const len = px_width * @sizeOf(u32);
|
||||
|
||||
GBA.memcpy32(GBA.SPRITE_VRAM, &Self.tiles[0], len);
|
||||
GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * offset), &Self.tiles[px_width], len);
|
||||
GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 2)), &Self.tiles[px_width * 2], len);
|
||||
GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 3)), &Self.tiles[px_width * 3], len);
|
||||
GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 4)), &Self.tiles[px_width * 4], len);
|
||||
GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 5)), &Self.tiles[px_width * 5], len);
|
||||
GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 6)), &Self.tiles[px_width * 6], len);
|
||||
GBA.memcpy32(GBA.SPRITE_VRAM + (px_width * (offset * 7)), &Self.tiles[px_width * 7], len);
|
||||
|
||||
// Palette
|
||||
GBA.memcpy32(GBA.OBJ_PALETTE_RAM, &Self.pal, Self.pal.len * @sizeOf(u32));
|
||||
|
|
|
|||
Loading…
Reference in New Issue