tamamo/build.zig

const std = @import("std");

pub fn mapgen(b: *std.build.Step) !void {
    _ = b;
    var alloc = std.heap.page_allocator;

    const maps = [_][2][]const u8{
        [2][]const u8{"./maps/TestMap.json", "./src/maps/test.zig"},
        [2][]const u8{"./maps/RPGmap.json", "./src/maps/rpg.zig"},
    };

    for (&maps) |map| {
        var deno = std.ChildProcess.init(&.{"deno", "run", "-A", "./src/tools/genmap.js", map[0], map[1]}, alloc);
        try deno.spawn();
        _ = try deno.wait();
    }
}

pub fn build(b: *std.build.Builder) !void {
    const map_step = b.step("mapgen", "generate maps");
    map_step.makeFn = mapgen;

    const mode = b.standardReleaseOptions();
    const lib = b.addSharedLibrary("cart", "src/main.zig", .unversioned);
    //lib.step.dependOn(map_step);

    lib.setBuildMode(mode);
    lib.setTarget(.{ .cpu_arch = .wasm32, .os_tag = .freestanding });
    lib.import_memory = true;
    lib.initial_memory = 65536;
    lib.max_memory = 65536;
    lib.stack_size = 14752;

    lib.export_symbol_names = &[_][]const u8{ "start", "update" };
    lib.install();
}