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Adds some minor touchups for Zigtoberfest showcase #79

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Adds some minor touchups for Zigtoberfest showcase #79

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Adds some minor touchups for Zigtoberfest showcase
Sep 13, 2026
74c6819
Invert condition for use_textures variable
ikskuh Sep 25, 2026
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Binary file added assets/images/wallpaper.abm
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2 changes: 1 addition & 1 deletion src/kernel/components/graphics.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ pub const RasterizerBackend = enum {
}
};

pub var selected_rasterizer: RasterizerBackend = .linear_async;
pub var selected_rasterizer: RasterizerBackend = .linear_sync;
pub var use_perfctrl: bool = false;

comptime {
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19 changes: 11 additions & 8 deletions src/userland/apps/dungeon/src/dungeon.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -482,6 +482,8 @@ const Raycaster = struct {
else => null,
};

const use_textures = (ashet.abi.get_demo_mode() == 0);

var scanline: [*]Color = &clonebuffer;
for (0..height) |y| {
defer scanline += max_size.width;
Expand All @@ -503,17 +505,18 @@ const Raycaster = struct {
if (ray.maybe_hit) |result| {
const tex_id = result.wall.texture_id;

const color: Color = .from_u8(0x80 ^ @as(u8, @truncate(tex_id)));
const color: Color = if (use_textures) blk: {
const texture = &textures[tex_id];

// const texture = &textures[tex_id];
const u = @as(i32, @intFromFloat(@as(f32, @floatFromInt(texture.width - 1)) * fract(result.u)));
const v = @as(i32, @intCast(@divTrunc(
texture.height * (yi - ray.wallTop),
@as(i32, @intCast(ray.wallHeight)),
)));

// const u = @as(i32, @intFromFloat(@as(f32, @floatFromInt(texture.width - 1)) * fract(result.u)));
// const v = @as(i32, @intCast(@divTrunc(
// texture.height * (yi - ray.wallTop),
// @as(i32, @intCast(ray.wallHeight)),
// )));
break :blk sampleTexture(texture, u, v);
} else .from_u8(0x80 ^ @as(u8, @truncate(tex_id)));

// pixel.* = sampleTexture(texture, u, v);
pixel.* = color;
continue;
}
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