80 lines
2.4 KiB
Zig
80 lines
2.4 KiB
Zig
const std = @import("std");
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const Game = @import("game");
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const Engine = @import("engine");
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const Lib = Engine.Lib;
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const AssetBundle = Engine.AssetBundle;
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fn readFileAll(gpa: std.mem.Allocator, dir: std.fs.Dir, sub_path: []const u8) ![]u8 {
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const f = try dir.openFile(sub_path, .{});
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defer f.close();
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var wa: std.Io.Writer.Allocating = .init(gpa);
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defer wa.deinit();
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var buffer: [4 * 4096]u8 = undefined;
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var reader = f.reader(&buffer);
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_ = try reader.interface.stream(&wa.writer, .unlimited);
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return try wa.toOwnedSlice();
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}
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pub fn main() !void {
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var gpa = std.heap.GeneralPurposeAllocator(.{}){};
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const allocator = gpa.allocator();
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defer _ = gpa.deinit();
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const args = try std.process.argsAlloc(allocator);
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defer std.process.argsFree(allocator, args);
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if (args.len != 3) {
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std.debug.print("Usage: ./asset-bundler <asset-dir> <output>", .{});
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std.process.exit(1);
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}
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const cwd = std.fs.cwd();
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const asset_dir_path = args[1];
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const output_path = args[2];
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const asset_dir = try cwd.openDir(asset_dir_path, .{ .iterate = true });
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var loader: Lib.Asset.Loader = .init(allocator, asset_dir);
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defer loader.deinit();
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Game.loadAssets(&loader);
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var bundle = AssetBundle.init();
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defer bundle.deinit(allocator);
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for (loader.assets.items) |asset_desc| {
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const id = asset_desc.id;
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switch (asset_desc.kind) {
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.font => |path| {
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const font_data = try readFileAll(allocator, asset_dir, path);
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defer allocator.free(font_data);
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try bundle.appendFont(allocator, id, font_data);
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},
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.sound => |path| {
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const sound_data = try readFileAll(allocator, asset_dir, path);
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defer allocator.free(sound_data);
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try bundle.appendSound(allocator, id, sound_data);
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},
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.texture => |opts| {
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const texture_data = try readFileAll(allocator, asset_dir, opts.path);
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defer allocator.free(texture_data);
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try bundle.appendTexture(allocator, id, texture_data, opts.info);
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}
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}
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}
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const output_file = try std.fs.cwd().createFile(output_path, .{ });
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defer output_file.close();
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var buffer: [4096 * 4]u8 = undefined;
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var writer = output_file.writer(&buffer);
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try bundle.write(&writer.interface);
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try writer.interface.flush();
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}
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