310 lines
13 KiB
Zig
310 lines
13 KiB
Zig
const std = @import("std");
|
|
|
|
pub fn Sdk(comptime deps: anytype) type {
|
|
return struct {
|
|
pub const Options = struct {
|
|
glfw_options: deps.glfw.Options = .{},
|
|
gpu_dawn_options: deps.gpu_dawn.Options = .{},
|
|
|
|
pub fn gpuOptions(options: Options) deps.gpu.Options {
|
|
return .{
|
|
.gpu_dawn_options = options.gpu_dawn_options,
|
|
};
|
|
}
|
|
};
|
|
|
|
var _module: ?*std.build.Module = null;
|
|
|
|
pub fn module(b: *std.Build) *std.build.Module {
|
|
if (_module) |m| return m;
|
|
_module = b.createModule(.{
|
|
.source_file = .{ .path = sdkPath("/src/main.zig") },
|
|
.dependencies = &.{
|
|
.{ .name = "gpu", .module = deps.gpu.module(b) },
|
|
.{ .name = "glfw", .module = deps.glfw.module(b) },
|
|
.{ .name = "gamemode", .module = deps.gamemode.module(b) },
|
|
},
|
|
});
|
|
return _module.?;
|
|
}
|
|
|
|
pub fn testStep(b: *std.Build, optimize: std.builtin.OptimizeMode, target: std.zig.CrossTarget) !*std.build.RunStep {
|
|
const main_tests = b.addTest(.{
|
|
.name = "core-tests",
|
|
.root_source_file = .{ .path = sdkPath("/src/main.zig") },
|
|
.target = target,
|
|
.optimize = optimize,
|
|
});
|
|
var iter = module(b).dependencies.iterator();
|
|
while (iter.next()) |e| {
|
|
main_tests.addModule(e.key_ptr.*, e.value_ptr.*);
|
|
}
|
|
main_tests.addModule("glfw", deps.glfw.module(b));
|
|
try deps.glfw.link(b, main_tests, .{});
|
|
if (target.isLinux()) {
|
|
main_tests.addModule("gamemode", deps.gamemode.module(b));
|
|
deps.gamemode.link(main_tests);
|
|
}
|
|
main_tests.addIncludePath(sdkPath("/include"));
|
|
main_tests.install();
|
|
return main_tests.run();
|
|
}
|
|
|
|
pub fn buildSharedLib(b: *std.Build, optimize: std.builtin.OptimizeMode, target: std.zig.CrossTarget, options: Options) !*std.build.CompileStep {
|
|
// TODO(build): this should use the App abstraction instead of being built manually
|
|
const lib = b.addSharedLibrary(.{ .name = "machcore", .root_source_file = .{ .path = "src/platform/libmachcore.zig" }, .target = target, .optimize = optimize });
|
|
lib.main_pkg_path = "src/";
|
|
const app_module = b.createModule(.{
|
|
.source_file = .{ .path = "src/platform/libmachcore_app.zig" },
|
|
});
|
|
lib.addModule("app", app_module);
|
|
lib.addModule("glfw", deps.glfw.module(b));
|
|
lib.addModule("gpu", deps.gpu.module(b));
|
|
if (target.isLinux()) {
|
|
lib.addModule("gamemode", deps.gamemode.module(b));
|
|
deps.gamemode.link(lib);
|
|
}
|
|
try deps.glfw.link(b, lib, options.glfw_options);
|
|
try deps.gpu.link(b, lib, options.gpuOptions());
|
|
return lib;
|
|
}
|
|
|
|
fn sdkPath(comptime suffix: []const u8) []const u8 {
|
|
if (suffix[0] != '/') @compileError("suffix must be an absolute path");
|
|
return comptime blk: {
|
|
const root_dir = std.fs.path.dirname(@src().file) orelse ".";
|
|
break :blk root_dir ++ suffix;
|
|
};
|
|
}
|
|
|
|
pub const App = struct {
|
|
b: *std.Build,
|
|
name: []const u8,
|
|
step: *std.build.CompileStep,
|
|
platform: Platform,
|
|
res_dirs: ?[]const []const u8,
|
|
watch_paths: ?[]const []const u8,
|
|
|
|
const web_install_dir = std.build.InstallDir{ .custom = "www" };
|
|
|
|
pub const InitError = error{OutOfMemory} || std.zig.system.NativeTargetInfo.DetectError;
|
|
pub const LinkError = deps.glfw.LinkError;
|
|
pub const RunError = error{
|
|
ParsingIpFailed,
|
|
} || deps.wasmserve.Error || std.fmt.ParseIntError;
|
|
|
|
pub const Platform = enum {
|
|
native,
|
|
web,
|
|
|
|
pub fn fromTarget(target: std.Target) Platform {
|
|
if (target.cpu.arch == .wasm32) return .web;
|
|
return .native;
|
|
}
|
|
};
|
|
|
|
pub fn init(
|
|
b: *std.Build,
|
|
options: struct {
|
|
name: []const u8,
|
|
src: []const u8,
|
|
target: std.zig.CrossTarget,
|
|
optimize: std.builtin.OptimizeMode,
|
|
deps: ?[]const std.build.ModuleDependency = null,
|
|
res_dirs: ?[]const []const u8 = null,
|
|
watch_paths: ?[]const []const u8 = null,
|
|
},
|
|
) InitError!App {
|
|
const target = (try std.zig.system.NativeTargetInfo.detect(options.target)).target;
|
|
const platform = Platform.fromTarget(target);
|
|
|
|
var dependencies = std.ArrayList(std.build.ModuleDependency).init(b.allocator);
|
|
try dependencies.append(.{ .name = "core", .module = module(b) });
|
|
if (options.deps) |app_deps| try dependencies.appendSlice(app_deps);
|
|
|
|
const app_module = b.createModule(.{
|
|
.source_file = .{ .path = options.src },
|
|
.dependencies = try dependencies.toOwnedSlice(),
|
|
});
|
|
|
|
const step = blk: {
|
|
if (platform == .web) {
|
|
const lib = b.addSharedLibrary(.{
|
|
.name = options.name,
|
|
.root_source_file = .{ .path = sdkPath("/src/entry.zig") },
|
|
.target = options.target,
|
|
.optimize = options.optimize,
|
|
});
|
|
lib.rdynamic = true;
|
|
lib.addModule("sysjs", deps.sysjs.module(b));
|
|
|
|
break :blk lib;
|
|
} else {
|
|
const exe = b.addExecutable(.{
|
|
.name = options.name,
|
|
.root_source_file = .{ .path = sdkPath("/src/entry.zig") },
|
|
.target = options.target,
|
|
.optimize = options.optimize,
|
|
});
|
|
exe.addModule("glfw", deps.glfw.module(b));
|
|
|
|
if (target.os.tag == .linux)
|
|
exe.addModule("gamemode", deps.gamemode.module(b));
|
|
|
|
break :blk exe;
|
|
}
|
|
};
|
|
|
|
step.main_pkg_path = sdkPath("/src");
|
|
step.addModule("core", module(b));
|
|
step.addModule("app", app_module);
|
|
|
|
return .{
|
|
.b = b,
|
|
.step = step,
|
|
.name = options.name,
|
|
.platform = platform,
|
|
.res_dirs = options.res_dirs,
|
|
.watch_paths = options.watch_paths,
|
|
};
|
|
}
|
|
|
|
pub fn link(app: *const App, options: Options) LinkError!void {
|
|
if (app.platform != .web) {
|
|
try deps.glfw.link(app.b, app.step, options.glfw_options);
|
|
deps.gpu.link(app.b, app.step, options.gpuOptions()) catch return error.FailedToLinkGPU;
|
|
if (app.step.target.isLinux())
|
|
deps.gamemode.link(app.step);
|
|
}
|
|
}
|
|
|
|
pub fn install(app: *const App) void {
|
|
app.step.install();
|
|
|
|
// Install additional files (src/mach.js and template.html)
|
|
// in case of wasm
|
|
if (app.platform == .web) {
|
|
// Set install directory to '{prefix}/www'
|
|
app.getInstallStep().?.dest_dir = web_install_dir;
|
|
|
|
inline for (.{ "/src/platform/wasm/mach.js", "/libs/mach-sysjs/src/mach-sysjs.js" }) |js| {
|
|
const install_js = app.b.addInstallFileWithDir(
|
|
.{ .path = sdkPath(js) },
|
|
web_install_dir,
|
|
std.fs.path.basename(js),
|
|
);
|
|
app.getInstallStep().?.step.dependOn(&install_js.step);
|
|
}
|
|
|
|
genHtml(app.b.allocator, app.b.getInstallPath(web_install_dir, "index.html"), app.name) catch |err| {
|
|
std.log.err("unable to generate html: {s}", .{@errorName(err)});
|
|
};
|
|
}
|
|
|
|
// Install resources
|
|
if (app.res_dirs) |res_dirs| {
|
|
for (res_dirs) |res| {
|
|
const install_res = app.b.addInstallDirectory(.{
|
|
.source_dir = res,
|
|
.install_dir = app.getInstallStep().?.dest_dir,
|
|
.install_subdir = std.fs.path.basename(res),
|
|
.exclude_extensions = &.{},
|
|
});
|
|
app.getInstallStep().?.step.dependOn(&install_res.step);
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn run(app: *const App) RunError!*std.build.Step {
|
|
if (app.platform == .web) {
|
|
const address = std.process.getEnvVarOwned(app.b.allocator, "MACH_ADDRESS") catch try app.b.allocator.dupe(u8, "127.0.0.1");
|
|
const port = std.process.getEnvVarOwned(app.b.allocator, "MACH_PORT") catch try app.b.allocator.dupe(u8, "8080");
|
|
const address_parsed = std.net.Address.parseIp4(address, try std.fmt.parseInt(u16, port, 10)) catch return error.ParsingIpFailed;
|
|
const serve_step = try deps.wasmserve.serve(
|
|
app.b,
|
|
.{
|
|
// .step_name =
|
|
.install_dir = web_install_dir,
|
|
.watch_paths = app.watch_paths,
|
|
.listen_address = address_parsed,
|
|
},
|
|
);
|
|
return &serve_step.step;
|
|
} else {
|
|
return &app.step.run().step;
|
|
}
|
|
}
|
|
|
|
pub fn getInstallStep(app: *const App) ?*std.build.InstallArtifactStep {
|
|
return app.step.install_step;
|
|
}
|
|
};
|
|
|
|
pub fn genHtml(allocator: std.mem.Allocator, output_name: []const u8, app_name: []const u8) !void {
|
|
const file = try std.fs.cwd().createFile(output_name, .{});
|
|
defer file.close();
|
|
|
|
var buf = try std.fmt.allocPrint(allocator, html_template, .{ .app_name = app_name });
|
|
defer allocator.free(buf);
|
|
|
|
_ = try file.write(buf);
|
|
}
|
|
|
|
const html_template =
|
|
\\<!doctype html>
|
|
\\<html>
|
|
\\
|
|
\\<head>
|
|
\\ <meta charset="utf-8">
|
|
\\ <title>{[app_name]s}</title>
|
|
\\</head>
|
|
\\
|
|
\\<body>
|
|
\\ <script type="module">
|
|
\\ import {{ mach }} from "./mach.js";
|
|
\\ import {{ sysjs }} from "./mach-sysjs.js";
|
|
\\ import setupWasmserve from "./wasmserve.js";
|
|
\\
|
|
\\ setupWasmserve();
|
|
\\
|
|
\\ let imports = {{
|
|
\\ mach,
|
|
\\ sysjs,
|
|
\\ }};
|
|
\\
|
|
\\ fetch("{[app_name]s}.wasm")
|
|
\\ .then(response => response.arrayBuffer())
|
|
\\ .then(buffer => WebAssembly.instantiate(buffer, imports))
|
|
\\ .then(results => results.instance)
|
|
\\ .then(instance => {{
|
|
\\ sysjs.init(instance);
|
|
\\ mach.init(instance);
|
|
\\ instance.exports.wasmInit();
|
|
\\
|
|
\\ let frame = true;
|
|
\\ let last_update_time = performance.now();
|
|
\\ let update = function () {{
|
|
\\ if (!frame) {{
|
|
\\ instance.exports.wasmDeinit();
|
|
\\ return;
|
|
\\ }}
|
|
\\ if (mach.machHasEvent() ||
|
|
\\ last_update_time + mach.wait_timeout * 1000 <= performance.now()) {{
|
|
\\ if (instance.exports.wasmUpdate()) {{
|
|
\\ instance.exports.wasmDeinit();
|
|
\\ return;
|
|
\\ }}
|
|
\\ last_update_time = performance.now();
|
|
\\ }}
|
|
\\ window.requestAnimationFrame(update);
|
|
\\ }};
|
|
\\ window.requestAnimationFrame(update);
|
|
\\ }})
|
|
\\ .catch(err => console.error(err));
|
|
\\ </script>
|
|
\\</body>
|
|
\\
|
|
\\</html>
|
|
;
|
|
};
|
|
}
|