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path: root/build.zig
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const std = @import("std");
const sokol = @import("sokol");
const cimgui = @import("cimgui");
const shdc = sokol.shdc;

pub fn build(b: *std.Build) void {
    const target = b.standardTargetOptions(.{});
    const optimize = b.standardOptimizeOption(.{});

    const cimgui_conf = cimgui.getConfig(true);

    const dep_sokol = b.dependency("sokol", .{
        .target = target,
        .optimize = optimize,
        .with_sokol_imgui = true,
        .with_tracing = true,
    }); 
    const dep_cimgui = b.dependency("cimgui", .{
        .target = target,
        .optimize = optimize,
    });

    dep_sokol.artifact("sokol_clib").root_module.addIncludePath(dep_cimgui.path(cimgui_conf.include_dir));

    const shader = shdc.createSourceFile(b, .{
        .shdc_dep = b.dependency("shdc", .{}),
        .input = "src/shaders/main.glsl",
        .output = "src/shaders/main.glsl.zig",
        .slang = .{
            .glsl430 = true,
            .glsl410 = false,
            .glsl310es = true,
            .glsl300es = false,
            .metal_macos = true,
            .hlsl5 = true,
            .wgsl = true,
            .spirv_vk = true,
        },
        .reflection = true,
    }) catch undefined;

    const exe = b.addExecutable(.{
        .name = "rc2d",
        .root_module = b.createModule(.{
            .root_source_file = b.path("src/main.zig"),
            .target = target,
            .optimize = optimize,
            .imports = &.{
                .{ .name = "sokol", .module = dep_sokol.module("sokol") },
                .{ .name = cimgui_conf.module_name, .module = dep_cimgui.module(cimgui_conf.module_name) },
            },
        }),
    });

    exe.root_module.linkLibrary(dep_sokol.artifact("sokol_clib"));
    exe.root_module.link_libc = true;
    exe.step.dependOn(shader);

    if (target.result.os.tag == .windows) {
        exe.root_module.linkSystemLibrary("user32", .{});
        exe.root_module.linkSystemLibrary("gdi32", .{});
    }

    b.installArtifact(exe);
}