mach: Move all platform specific files to platform/ directory

build.zig

@@ -153,12 +153,12 @@ pub const App = struct {
 
         const step = blk: {
             if (options.target.toTarget().cpu.arch == .wasm32) {
-                const lib = b.addSharedLibrary(options.name, thisDir() ++ "/src/wasm.zig", .unversioned);
+                const lib = b.addSharedLibrary(options.name, thisDir() ++ "/src/platform/wasm.zig", .unversioned);
                 lib.addPackage(gpu.pkg);
 
                 break :blk lib;
             } else {
-                const exe = b.addExecutable(options.name, thisDir() ++ "/src/native.zig");
+                const exe = b.addExecutable(options.name, thisDir() ++ "/src/platform/native.zig");
                 exe.addPackage(gpu.pkg);
                 exe.addPackage(glfw.pkg);
 
@@ -166,6 +166,7 @@ pub const App = struct {
             }
         };
 
+        step.main_pkg_path = thisDir() ++ "/src";
         step.addPackage(app_pkg);
         step.setTarget(options.target);
 
@@ -186,7 +187,7 @@ pub const App = struct {
             app.getInstallStep().?.dest_dir = web_install_dir;
 
             const install_mach_js = app.b.addInstallFileWithDir(
-                .{ .path = thisDir() ++ "/src/mach.js" },
+                .{ .path = thisDir() ++ "/src/platform/mach.js" },
                 web_install_dir,
                 "mach.js",
             );

src/platform.zig

@@ -1,6 +1,6 @@
 const builtin = @import("builtin");
 
-const Platform = if (builtin.cpu.arch == .wasm32) @import("wasm.zig") else @import("native.zig");
+const Platform = if (builtin.cpu.arch == .wasm32) @import("platform/wasm.zig") else @import("platform/native.zig");
 
 // TODO: verify declarations and its signatures
 pub const CoreType = Platform.Core;

src/platform/native.zig

@@ -2,9 +2,9 @@ const std = @import("std");
 const glfw = @import("glfw");
 const gpu = @import("gpu");
 const App = @import("app");
-const Engine = @import("Engine.zig");
-const structs = @import("structs.zig");
-const enums = @import("enums.zig");
+const Engine = @import("../Engine.zig");
+const structs = @import("../structs.zig");
+const enums = @import("../enums.zig");
 const util = @import("util.zig");
 const c = @import("c.zig").c;
 

src/platform/wasm.zig

@@ -1,8 +1,8 @@
 const std = @import("std");
 const App = @import("app");
-const Engine = @import("Engine.zig");
-const structs = @import("structs.zig");
-const enums = @import("enums.zig");
+const Engine = @import("../Engine.zig");
+const structs = @import("../structs.zig");
+const enums = @import("../enums.zig");
 
 const js = struct {
     extern fn machCanvasInit(width: u32, height: u32, selector_id: *u8) CanvasId;