i don't know

git-subtree-dir: vendor/enet
git-subtree-split: 8be2368a8001f28db44e81d5939de5e613025023

.vscode/launch.json

@@ -5,7 +5,7 @@
     "version": "0.2.0",
     "configurations": [
         {
-            "name": "(lldb) Launch",
+            "name": "Client",
             "type": "lldb",
             "request": "launch",
             "program": "${workspaceFolder}/zig-out/bin/client",
@@ -13,7 +13,18 @@
             "cwd": "${workspaceFolder}",
             "internalConsoleOptions": "openOnSessionStart",
             "preLaunchTask": "build",
-            "sourceLanguages": ["zig"]
+            "sourceLanguages": ["zig"],
+        },
+        {
+            "name": "Server",
+            "type": "lldb",
+            "request": "launch",
+            "program": "${workspaceFolder}/zig-out/bin/server",
+            "args": [],
+            "cwd": "${workspaceFolder}",
+            "internalConsoleOptions": "openOnSessionStart",
+            "preLaunchTask": "build",
+            "sourceLanguages": ["zig"],
         }
     ]
 }

.vscode/tasks.json

@@ -6,7 +6,19 @@
         {
             "label": "build",
             "type": "shell",
-            "command": "zig build",
+            "command": "zig",
+            "args": ["build"],
+            "options": {
+                "cwd": "${workspaceRoot}"
+            },
+            "presentation": {
+                "echo": true,
+                "reveal": "always",
+                "focus": false,
+                "panel": "shared",
+                "showReuseMessage": true,
+                "clear": true,
+            },
             "problemMatcher": [],
             "group": {
                 "kind": "build",

build.zig

@@ -1,8 +1,16 @@
 const std = @import("std");
+const builtin = @import("builtin");
+const raylib_src = @import("raylib");
 
 pub fn build(b: *std.Build) void {
-    const target = b.standardTargetOptions(.{ .default_target = .{ .cpu_model = .native } });
+    const target = b.standardTargetOptions(.{
-    const optimize = b.standardOptimizeOption(.{ .preferred_optimize_mode = .ReleaseFast });
+        .default_target = if (builtin.target.os.tag == .windows)
+            .{ .os_tag = .windows, .abi = .msvc }
+        else
+            .{},
+    });
+
+    const optimize = b.standardOptimizeOption(.{ .preferred_optimize_mode = .Debug });
 
     const assets = b.addInstallDirectory(.{
         .source_dir = b.path("assets"),
@@ -24,13 +32,12 @@ pub fn build(b: *std.Build) void {
             .imports = &.{
                 .{
                     .name = "shared",
-                    .module = shared
+                    .module = shared,
                 },
             },
         }),
         .use_llvm = true,
     });
-    client.root_module.strip = true;
 
     const server = b.addExecutable(.{
         .name = "server",
@@ -39,31 +46,44 @@ pub fn build(b: *std.Build) void {
             .target = target,
             .optimize = optimize,
             .imports = &.{
-                .{ .name = "shared", .module = shared },
+                .{
+                    .name = "shared",
+                    .module = shared,
+                },
             },
         }),
         .use_llvm = true,
     });
-    server.root_module.strip = true;
 
-    const ztracy = b.dependency(
+    // tracy
-        "ztracy",
+    {
+        const tracy = b.dependency(
+            "tracy",
             .{
-            .enable_ztracy = true,
-            .enable_fibers = false,
-            .on_demand = false,
-        }
-    );
-    client.root_module.addImport("ztracy", ztracy.module("root"));
-    client.linkLibrary(ztracy.artifact("tracy"));
-
-    const mach_freetype = b.dependency("mach_freetype", .{
                 .target = target,
                 .optimize = optimize,
-    });
+                .enable_tracy = true,
-    client.root_module.addImport("mach-freetype", mach_freetype.module("mach-freetype"));
+                .enable_fibers = false,
-    client.root_module.addImport("mach-harfbuzz", mach_freetype.module("mach-harfbuzz"));
+                .on_demand = false,
+            },
+        );
+        client.root_module.addImport("tracy", tracy.module("tracy"));
+    }
 
+    // freetype
+    {
+        const freetype = b.dependency(
+            "freetype",
+            .{
+                .target = target,
+                .optimize = optimize,
+            }
+        );
+        client.root_module.addImport("freetype", freetype.module("freetype"));
+    }
+
+    // kb_text_shape
+    {
         client.root_module.addCSourceFile(.{
             .file = b.path("vendor/kb_text_shape/kb_text_shape.h"),
             .language = .c,
@@ -82,7 +102,10 @@ pub fn build(b: *std.Build) void {
             .optimize = optimize,
         });
         client.root_module.addImport("kb", kb_text_shape.createModule());
+    }
 
+    // stb_rect_pack
+    {
         client.root_module.addCSourceFile(.{ .file = b.path("vendor/stb/stb_rect_pack.h"), .language = .c, .flags = &.{} });
         const stb_rect_pack = b.addTranslateC(.{
             .root_source_file = b.path("vendor/stb/stb_rect_pack.h"),
@@ -90,7 +113,10 @@ pub fn build(b: *std.Build) void {
             .optimize = optimize,
         });
         client.root_module.addImport("stb_rect_pack", stb_rect_pack.createModule());
+    }
 
+    // zmath
+    {
         const zmath = b.dependency(
             "zmath",
             .{
@@ -101,68 +127,81 @@ pub fn build(b: *std.Build) void {
         client.root_module.addImport("zmath", zmath.module("root"));
         server.root_module.addImport("zmath", zmath.module("root"));
         shared.addImport("zmath", zmath.module("root"));
-
-    const znet = b.dependency(
-        "znet",
-        .{
-            .target = target,
-            .optimize = optimize,
     }
-    );
-    client.root_module.addImport("znet", znet.module("znet"));
-    server.root_module.addImport("znet", znet.module("znet"));
 
-    const bufzilla = b.dependency(
-    "bufzilla",
-    .{
-        .target = target,
-        .optimize = optimize,
-    });
-    client.root_module.addImport("bufzilla", bufzilla.module("bufzilla"));
-    server.root_module.addImport("bufzilla", bufzilla.module("bufzilla"));
 
-    const raylib_dep = b.dependency("raylib_zig", .{
+    // ENet
+    {
+        const enet = b.dependency("enet", .{
             .target = target,
             .optimize = optimize,
         });
 
-    const raylib = raylib_dep.module("raylib"); // main raylib module
+        // shared.linkLibrary(enet.artifact("enet"));
-    const raygui = raylib_dep.module("raygui"); // raygui module
+        client.root_module.linkLibrary(enet.artifact("enet"));
-    const raylib_artifact = raylib_dep.artifact("raylib"); // raylib C library
+        server.root_module.linkLibrary(enet.artifact("enet"));
-    raylib_artifact.root_module.addCMacro("SUPPORT_CUSTOM_FRAME_CONTROL", "");
+    }
 
-    client.linkLibrary(raylib_artifact);
+    // // Bufzilla
-    client.root_module.addImport("raylib", raylib);
+    // {
-    client.root_module.addImport("raygui", raygui);
+    //     const bufzilla = b.dependency(
+    //     "bufzilla",
+    //     .{
+    //         .target = target,
+    //         .optimize = optimize,
+    //     });
+    //     shared.addImport("bufzilla", bufzilla.module("bufzilla"));
+    //     client.root_module.addImport("bufzilla", bufzilla.module("bufzilla"));
+    //     server.root_module.addImport("bufzilla", bufzilla.module("bufzilla"));
+    // }
+
+    // Raylib
+    {
+        const raylib_dep = b.dependency("raylib", .{ .target = target, .optimize = optimize });
+
+        const raylib_lib = raylib_dep.artifact("raylib");
+        raylib_lib.root_module.addCMacro("SUPPORT_CUSTOM_FRAME_CONTROL", "");
+
+        client.root_module.linkLibrary(raylib_lib);
+
+        if (target.result.os.tag == .windows)
+            client.root_module.linkSystemLibrary("shell32", .{ .needed = true });
+    }
+
+    client.root_module.link_libc = true;
+    server.root_module.link_libc = true;
 
     b.installArtifact(client);
     b.installArtifact(server);
 
     b.getInstallStep().dependOn(&assets.step);
 
-    const run_step = b.step("run", "Run the app");
+    const run_client_step = b.step("run-client", "Run the client");
+    const run_server_step = b.step("run-server", "Run the server");
 
     const run_cmd_client = b.addRunArtifact(client);
     const run_cmd_server = b.addRunArtifact(server);
-    run_step.dependOn(&run_cmd_client.step);
+    run_client_step.dependOn(&run_cmd_client.step);
-    run_step.dependOn(&run_cmd_server.step);
+    run_server_step.dependOn(&run_cmd_server.step);
 
     run_cmd_client.step.dependOn(b.getInstallStep());
     run_cmd_server.step.dependOn(b.getInstallStep());
 
     if (b.args) |args| {
         run_cmd_client.addArgs(args);
+        run_cmd_server.addArgs(args);
     }
 
     // Creates an executable that will run `test` blocks from the provided module.
     // Here `mod` needs to define a target, which is why earlier we made sure to
     // set the releative field.
-    // const mod_tests = b.addTest(.{
+    const shared_tests = b.addTest(.{
-    //     .root_module = mod,
+        .root_module = shared,
-    // });
+        .use_llvm = true,
+    });
 
     // A run step that will run the test executable.
-    // const run_mod_tests = b.addRunArtifact(mod_tests);
+    const run_shared_tests = b.addRunArtifact(shared_tests);
 
     // Creates an executable that will run `test` blocks from the executable's
     // root module. Note that test executables only test one module at a time,
@@ -177,8 +216,8 @@ pub fn build(b: *std.Build) void {
     // A top level step for running all tests. dependOn can be called multiple
     // times and since the two run steps do not depend on one another, this will
     // make the two of them run in parallel.
-    // const test_step = b.step("test", "Run tests");
+    const test_step = b.step("test", "Run tests");
-    // test_step.dependOn(&run_mod_tests.step);
+    test_step.dependOn(&run_shared_tests.step);
     // test_step.dependOn(&run_exe_tests.step);
 
     // Just like flags, top level steps are also listed in the `--help` menu.
@@ -193,3 +232,37 @@ pub fn build(b: *std.Build) void {
     // Lastly, the Zig build system is relatively simple and self-contained,
     // and reading its source code will allow you to master it.
 }
+
+fn getRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.builtin.OptimizeMode, options: raylib_src.Options) *std.Build.Step.Compile {
+    const raylib_dep = b.dependency("raylib", .{
+        .target = target,
+        .optimize = optimize,
+        .raudio = options.raudio,
+        .rmodels = options.rmodels,
+        .rshapes = options.rshapes,
+        .rtext = options.rtext,
+        .rtextures = options.rtextures,
+        .platform = options.platform,
+        .linkage = options.linkage,
+        .linux_display_backend = options.linux_display_backend,
+        .opengl_version = options.opengl_version,
+        .android_api_version = options.android_api_version,
+        .android_ndk = options.android_ndk,
+    });
+
+    const raylib = raylib_dep.artifact("raylib");
+
+    b.installArtifact(raylib);
+    return raylib;
+}
+
+fn getModule(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.builtin.OptimizeMode) *std.Build.Module {
+    if (b.modules.contains("raylib")) {
+        return b.modules.get("raylib").?;
+    }
+    return b.addModule("raylib", .{
+        .root_source_file = b.path("lib/raylib.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+}

build.zig.zon

@@ -40,25 +40,22 @@
             .url = "git+https://github.com/Gota7/zig-sdl3?ref=master#79b0d1f1ef10a424037025f6af44fe06bf7e062c",
             .hash = "sdl3-0.1.5-NmT1Q3ARJgDmFWtbbK3KBb7vufbQD0EjD4Me4Fbdq0p3",
         },
-        .raylib_zig = .{
+        .enet = .{
-            .url = "git+https://github.com/raylib-zig/raylib-zig#7d4761b878f43671024ce197f721827b5355a67e",
+            .path = "vendor/enet",
-            .hash = "raylib_zig-5.6.0-dev-KE8REGlNBQDR7NML06VBtT7gP3VZNY70E5WohAxzqrNn",
-        },
-        .znet = .{
-            .url = "git+https://github.com/connellr023/znet#cb11fb0c4a2b668128c436fbbccd111223c74898",
-            .hash = "znet-0.0.0-PGDNtD9RAAChe8Ky4dhWhS2XH77-xyf1X8HcDBwpM3kA",
         },
         .bufzilla = .{
-            .url = "https://github.com/theseyan/bufzilla/archive/refs/tags/v0.3.2.tar.gz",
+            .url = "https://github.com/theseyan/bufzilla/archive/refs/tags/v0.3.3.tar.gz",
-            .hash = "bufzilla-0.3.0-gU6dXi67AQAg3WIFrNQ0iafrvexj3iBwVcczrVzrN3Ir",
+            .hash = "bufzilla-0.3.0-gU6dXie7AQDTXB7ptRjLa1plj3txaUVKFvT39e3v-pop",
         },
-        .ztracy = .{
+        .tracy = .{
-            .url = "git+https://github.com/zig-gamedev/ztracy#d95d2a193b9f97944a17026c9a42b5d0f9a88c94",
+            .path = "vendor/tracy",
-            .hash = "ztracy-0.14.0-dev-zHJSqzUHGQAmhJybhlwtl1QKevUBw4M5YKZqPfWx2y99",
         },
-        .mach_freetype = .{
+        .freetype = .{
-            .url = "git+https://github.com/hexops/mach-freetype#44f481e3435592810a7c55fc2f37e470dcba2a9c",
+            .path = "vendor/freetype",
-            .hash = "mach_freetype-0.0.0-AAAAAG4nCAANuVIO0Lmyh-H-eN2d60k-xlxIW_Xv90jq",
+        },
+        .raylib = .{
+            .url = "git+https://github.com/raysan5/raylib/#403c2cbccff44cac0c0bbae034c00191eeee7b4c",
+            .hash = "raylib-5.6.0-dev-whq8uKAqDQWosMsUzhDBAbuDSmbxaqJeydmpgv5e8wzU",
         },
     },
     .paths = .{

src/client/c.zig

@@ -3,3 +3,13 @@ pub const c = @cImport({
     @cInclude("raymath.h");
     @cInclude("rlgl.h");
 });
+
+pub const enet = @cImport({
+    @cInclude("enet/enet.h");
+});
+
+pub const rl = @cImport({
+    @cInclude("raylib.h");
+    @cInclude("rlgl.h");
+    @cInclude("raymath.h");
+});

src/client/chunk.zig

@@ -0,0 +1,73 @@
+const std = @import("std");
+
+const shared = @import("shared");
+const enet   = @import("c.zig").enet;
+
+pub fn spawn(self: *shared.chunk.Chunk, allocator: std.mem.Allocator, comptime T: type, value: T) !shared.entity.id {
+    std.debug.assert(value.id != shared.entity.INVALID_ID);
+
+    const ptr = try allocator.create(T);
+    errdefer allocator.destroy(ptr);
+
+    ptr.* = value;
+
+    const ref = shared.entity.makeRef(T, ptr);
+
+    try self.entities.append(allocator, ref);
+
+    return ptr.id;
+}
+
+pub fn find(self: *shared.chunk.Chunk, id: shared.entity.id) ?shared.entity.Ref {
+    for (self.entities.items) |ref| {
+        switch (ref) {
+            inline else => |ptr| {
+                if (ptr.id == id) {
+                    return ref;
+                }
+            }
+        }
+    }
+
+    return null;
+}
+
+pub fn findT(self: *shared.chunk.Chunk, comptime T: type, id: shared.entity.id) ?*T {
+    for (self.entities.items) |ref| {
+        switch (ref) {
+            inline else => |ptr| {
+                if (ptr.id == id and @TypeOf(ptr) == *T) {
+                    return ptr;
+                }
+            }
+        }
+    }
+
+    return null;
+}
+
+pub fn despawn(self: *shared.chunk.Chunk, allocator: std.mem.Allocator, id: shared.entity.id) bool {
+    var i: usize = 0;
+    while (i < self.entities.items.len) {
+        const ref = self.entities.items[i];
+
+        var found = false;
+
+        switch (ref) {
+            inline else => |ptr| {
+                if (ptr.id == id) {
+                    allocator.destroy(ptr);
+                    found = true;
+                }
+            },
+        }
+
+        if (found) {
+            _ = self.entities.swapRemove(i);
+            return true;
+        }
+
+        i += 1;
+    }
+    return false;
+}

src/client/client.zig

@@ -1,4 +1,5 @@
 const std    = @import("std");
+const shared = @import("shared");
 
 const ConnectState = union(enum) {
     disconnected,

src/client/entity.zig

@@ -2,21 +2,29 @@ const rl = @import("raylib");
 const shared = @import("shared");
 const zm = @import("zmath");
 
-pub const Elf = struct {
+// pub const Elf = struct {
-    elf: shared.entity.Elf,
+//     elf: shared.entity.Elf,
 
-    boy: rl.Texture,
+//     boy: rl.Texture,
+
+//     pub fn init() Elf {
+//         return .{
+//             .elf = .{ .hp = 10, .pos = zm.f32x4(0, 0, 0, 0) },
+//             .boy = rl.loadTexture("assets/tile_0000.png") catch unreachable,
+//         };
+//     }
+
+//     pub fn draw(self: *Elf) void {
+//         const src = rl.Rectangle.init(0, 0, @floatFromInt(self.boy.width), @floatFromInt(self.boy.height));
+//         const dst = rl.Rectangle.init(100 + 100 * zm.cos(@as(f32, @floatCast(rl.getTime()))), 100 + 100 * zm.sin(@as(f32, @floatCast(rl.getTime()))), 2.0 * @as(f32, @floatFromInt(self.boy.width)), 2.0 * @as(f32, @floatFromInt(self.boy.height)));
+//         self.boy.drawPro(src, dst, .{ .x = 0, .y = 0 }, 0, .white);
+//     }
+// };
+
+pub fn draw_soldier(self: *shared.entity.Soldier) void {
 
-    pub fn init() Elf {
-        return .{
-            .elf = .{ .hp = 10, .pos = zm.f32x4(0, 0, 0, 0) },
-            .boy = rl.loadTexture("assets/tile_0000.png") catch unreachable,
-        };
 }
 
-    pub fn draw(self: *Elf) void {
+pub fn draw_alien(self: *shared.entity.Alien) void {
-        const src = rl.Rectangle.init(0, 0, @floatFromInt(self.boy.width), @floatFromInt(self.boy.height));
+
-        const dst = rl.Rectangle.init(100 + 100 * zm.cos(@as(f32, @floatCast(rl.getTime()))), 100 + 100 * zm.sin(@as(f32, @floatCast(rl.getTime()))), 2.0 * @as(f32, @floatFromInt(self.boy.width)), 2.0 * @as(f32, @floatFromInt(self.boy.height)));
-        self.boy.drawPro(src, dst, .{ .x = 0, .y = 0 }, 0, .white);
 }
-};

src/client/font.zig

@@ -1,10 +1,9 @@
 const std    = @import("std");
-const rl     = @import("raylib");
+const rl     = @import("c.zig").rl;
 const kb     = @import("kb");
-const ft     = @import("mach-freetype");
+const ft     = @import("freetype");
-const hb     = @import("mach-harfbuzz");
 const rp     = @import("stb_rect_pack");
-const ztracy = @import("ztracy");
+const tracy = @import("tracy");
 
 pub var ft_lib : ft.Library = undefined;
 pub var shader : rl.Shader = undefined;
@@ -39,7 +38,6 @@ pub const Font = struct {
     face : ft.Face,
     glyphs : std.AutoHashMap(u32, Glyph),
     kbts_font : kb.kbts_font,
-    // texture : c.Texture2D,
     texture : rl.Texture2D,
     kb_file_data : []u8,
 
@@ -57,7 +55,7 @@ pub const Font = struct {
 
         var face = try ft_lib.createFaceMemory(file_data, 0);
         var glyphs = std.AutoHashMap(u32, Glyph).init(allocator);
-        try face.setCharSize(0, size * 64, 0, 96 * @as(u16, @intFromFloat(rl.getWindowScaleDPI().y)));
+        try face.setCharSize(0, size * 64, 0, 96 * @as(u16, @intFromFloat(rl.GetWindowScaleDPI().y)));
         try face.selectCharmap(.unicode);
 
         var rects = try std.ArrayList(rp.stbrp_rect).initCapacity(allocator, 1024);
@@ -77,7 +75,7 @@ pub const Font = struct {
             .width = ATLAS_SIZE,
             .height = ATLAS_SIZE,
             .mipmaps = 1,
-            .format = rl.PixelFormat.uncompressed_grayscale,
+            .format = rl.PIXELFORMAT_UNCOMPRESSED_GRAYSCALE,
         };
 
         for (0..face.numGlyphs()) |index| {
@@ -85,7 +83,7 @@ pub const Font = struct {
             const bmp = face.glyph().bitmap();
 
             try rects.append(allocator, .{
-                .id = @intCast(index),//@intCast(face.glyph().glyphIndex()),
+                .id = @intCast(index),
                 .w = @max(1, @as(c_int, @intCast(bmp.width()))),
                 .h = @max(1, @as(c_int, @intCast(bmp.rows()))),
                 .x = 0,
@@ -123,12 +121,12 @@ pub const Font = struct {
 
             const width         : i32 = @intCast(bmp.width());
             const height        : i32 = @intCast(bmp.rows());
-            const dpi_width     : f32 = @as(f32, @floatFromInt(width)) / rl.getWindowScaleDPI().x;
+            const dpi_width     : f32 = @as(f32, @floatFromInt(width)) / rl.GetWindowScaleDPI().x;
-            const dpi_height    : f32 = @as(f32, @floatFromInt(height)) / rl.getWindowScaleDPI().y;
+            const dpi_height    : f32 = @as(f32, @floatFromInt(height)) / rl.GetWindowScaleDPI().y;
             const bearing_x     : i32 = face.glyph().bitmapLeft();
             const bearing_y     : i32 = face.glyph().bitmapTop();
-            const dpi_bearing_x : f32 = @as(f32, @floatFromInt(bearing_x)) / rl.getWindowScaleDPI().x;
+            const dpi_bearing_x : f32 = @as(f32, @floatFromInt(bearing_x)) / rl.GetWindowScaleDPI().x;
-            const dpi_bearing_y : f32 = @as(f32, @floatFromInt(bearing_y)) / rl.getWindowScaleDPI().y;
+            const dpi_bearing_y : f32 = @as(f32, @floatFromInt(bearing_y)) / rl.GetWindowScaleDPI().y;
             const descent       : i32 = height - bearing_y;
             const ascent        : i32 = height - descent;
             const dpi_descent   : f32 = dpi_height - dpi_bearing_y;
@@ -166,7 +164,7 @@ pub const Font = struct {
             try glyphs.put(glyph.index, glyph);
         }
 
-        const texture = try rl.loadTextureFromImage(atlas);
+        const texture = rl.LoadTextureFromImage(atlas);
 
         var kbts_font = kb.kbts_FontFromMemory(kb_file_data.ptr, @intCast(kb_file_data.len), 0, null, null);
 
@@ -174,9 +172,6 @@ pub const Font = struct {
             std.log.info("[Error] [kb_text_shape] Failed to load the font.", .{});
         }
 
-        const hb_blob = hb.Blob.initFromFile(filename);
-        _ = hb_blob;
-
         return .{
             .face = face,
             .glyphs = glyphs,
@@ -190,7 +185,7 @@ pub const Font = struct {
         self.glyphs.deinit();
         self.face.deinit();
         kb.kbts_FreeFont(&self.kbts_font);
-        self.texture.unload();
+        rl.UnloadTexture(self.texture);
         allocator.free(self.kb_file_data);
     }
 
@@ -207,17 +202,17 @@ pub const Font = struct {
         if (text.len == 0)
             return;
 
-        const zone = ztracy.ZoneNC(@src(), "render_text", 0x00_ff_00_00);
+        const zone = tracy.ZoneNC(@src(), "render_text", 0x00_ff_00_00);
         defer zone.End();
 
-        rl.beginShaderMode(shader);
+        rl.BeginShaderMode(shader);
-        rl.gl.rlSetTexture(self.texture.id);
+        rl.rlSetTexture(self.texture.id);
-        rl.gl.rlBegin(rl.gl.rl_quads);
+        rl.rlBegin(rl.RL_QUADS);
 
         if (nice_background) {
             self.render_text(
                 text,
-                pos.add(.{.x = 3.0, .y = -3.0}),
+                rl.Vector2Add(pos, .{.x = 3.0, .y = -3.0}),
                 window_space,
                 rl.Color{ .r = 0, .g = 0, .b = 0, .a = 255 },
                 rl.Color{ .r = 0, .g = 0, .b = 0, .a = 0 },
@@ -231,7 +226,7 @@ pub const Font = struct {
         _ = background;
 
         const font_ascent : f32 = @floatFromInt(self.face.size().metrics().ascender >> 6);
-        const dpi_font_ascent = font_ascent / rl.getWindowScaleDPI().y;
+        const dpi_font_ascent = font_ascent / rl.GetWindowScaleDPI().y;
 
         render_pos.y += dpi_font_ascent;
 
@@ -243,7 +238,7 @@ pub const Font = struct {
             return;
         }
 
-        const zone2 = ztracy.ZoneNC(@src(), "ShapeUtf8", 0x00_ff_00_00);
+        const zone2 = tracy.ZoneNC(@src(), "ShapeUtf8", 0x00_ff_00_00);
         kb.kbts_ShapeBegin(Context, kb.KBTS_DIRECTION_DONT_KNOW, kb.KBTS_LANGUAGE_DONT_KNOW);
         kb.kbts_ShapeUtf8(Context, text.ptr, @intCast(text.len), kb.KBTS_USER_ID_GENERATION_MODE_CODEPOINT_INDEX);
         kb.kbts_ShapeEnd(Context);
@@ -254,11 +249,11 @@ pub const Font = struct {
 
         var Run = kb.kbts_run{};
         while (my_kbts_ShapeRun(Context, &Run) != 0) {
-            const zone3 = ztracy.ZoneNC(@src(), "shape run", 0x00_ff_00_00);
+            const zone3 = tracy.ZoneNC(@src(), "shape run", 0x00_ff_00_00);
             defer zone3.End();
             if ((Run.Flags & kb.KBTS_BREAK_FLAG_LINE_HARD) != 0) {
                 const font_linegap : f32 = @floatFromInt(self.face.size().metrics().height >> 6);
-                const dpi_font_linegap = font_linegap / rl.getWindowScaleDPI().y;
+                const dpi_font_linegap = font_linegap / rl.GetWindowScaleDPI().y;
 
                 cursor_y += dpi_font_linegap;
                 cursor_x = 0;
@@ -266,7 +261,7 @@ pub const Font = struct {
 
             var g : [*c]kb.kbts_glyph = null;
             while (kb.kbts_GlyphIteratorNext(&Run.Glyphs, &g) != 0) {
-                const zone4 = ztracy.ZoneNC(@src(), "glyph iterator", 0x00_ff_00_00);
+                const zone4 = tracy.ZoneNC(@src(), "glyph iterator", 0x00_ff_00_00);
                 defer zone4.End();
                 const RunGlyph : *kb.kbts_glyph = g.?;
                 const CodepointIndex : i32 = RunGlyph.UserIdOrCodepointIndex;
@@ -277,23 +272,23 @@ pub const Font = struct {
 
                 const advance_x : f32 = @floatFromInt(ft.mulFix(RunGlyph.AdvanceX, @intCast(self.face.size().metrics().x_scale)) >> 6);
                 const advance_y : f32 = @floatFromInt(ft.mulFix(RunGlyph.AdvanceY, @intCast(self.face.size().metrics().y_scale)) >> 6);
-                const dpi_advance_x = advance_x / rl.getWindowScaleDPI().x;
+                const dpi_advance_x = advance_x / rl.GetWindowScaleDPI().x;
-                const dpi_advance_y = advance_y / rl.getWindowScaleDPI().y;
+                const dpi_advance_y = advance_y / rl.GetWindowScaleDPI().y;
 
                 const offset_x : f32 = @floatFromInt(ft.mulFix(RunGlyph.OffsetX, @intCast(self.face.size().metrics().x_scale)) >> 6);
                 const offset_y : f32 = @floatFromInt(ft.mulFix(RunGlyph.OffsetY, @intCast(self.face.size().metrics().y_scale)) >> 6);
-                const dpi_offset_x = offset_x / rl.getWindowScaleDPI().x;
+                const dpi_offset_x = offset_x / rl.GetWindowScaleDPI().x;
-                const dpi_offset_y = offset_y / rl.getWindowScaleDPI().y;
+                const dpi_offset_y = offset_y / rl.GetWindowScaleDPI().y;
 
                 if (self.glyphs.getPtr(RunGlyph.Id)) |glyph| {
 
-                    var v0 = rl.Vector2.zero();
+                    var v0 = rl.Vector2{};
-                    var v1 = rl.Vector2.zero();
+                    var v1 = rl.Vector2{};
                     
-                    v0 = render_pos.add(.{ .x = cursor_x + glyph.dpi_bearing_x + dpi_offset_x,
+                    v0 = rl.Vector2Add(render_pos, .{ .x = cursor_x + glyph.dpi_bearing_x + dpi_offset_x,
                                            .y = cursor_y - glyph.dpi_bearing_y - dpi_offset_y });
 
-                    v1 = v0.add(rl.Vector2{ .x = glyph.dpi_width, .y = glyph.dpi_height });
+                    v1 = rl.Vector2Add(v0, rl.Vector2{ .x = glyph.dpi_width, .y = glyph.dpi_height });
                     const p0 : rl.Vector4 = .{ .x = v0.x, .y = v0.y, .z = 0.0, .w = 1.0 };
                     const p1 : rl.Vector4 = .{ .x = v1.x, .y = v1.y, .z = 0.0, .w = 1.0 };
                     
@@ -303,13 +298,13 @@ pub const Font = struct {
                     const st0 = glyph.st0;
                     const st1 = glyph.st1;
 
-                    rl.gl.rlColor4ub(colour.r, colour.g, colour.b, colour.a);
+                    rl.rlColor4ub(colour.r, colour.g, colour.b, colour.a);
-                    rl.gl.rlNormal3f(0.0, 0.0, 1.0);
+                    rl.rlNormal3f(0.0, 0.0, 1.0);
 
-                    rl.gl.rlTexCoord2f(st0.x, st0.y); rl.gl.rlVertex2f(p0.x, p0.y);
+                    rl.rlTexCoord2f(st0.x, st0.y); rl.rlVertex2f(p0.x, p0.y);
-                    rl.gl.rlTexCoord2f(st0.x, st1.y); rl.gl.rlVertex2f(p0.x, p1.y);
+                    rl.rlTexCoord2f(st0.x, st1.y); rl.rlVertex2f(p0.x, p1.y);
-                    rl.gl.rlTexCoord2f(st1.x, st1.y); rl.gl.rlVertex2f(p1.x, p1.y);
+                    rl.rlTexCoord2f(st1.x, st1.y); rl.rlVertex2f(p1.x, p1.y);
-                    rl.gl.rlTexCoord2f(st1.x, st0.y); rl.gl.rlVertex2f(p1.x, p0.y);
+                    rl.rlTexCoord2f(st1.x, st0.y); rl.rlVertex2f(p1.x, p0.y);
 
                 } else {
                     std.log.warn("kb_text_shape found the glyph, but we didn't load it from the font. index {}", .{RunGlyph.Id});
@@ -320,9 +315,9 @@ pub const Font = struct {
             }
         }
 
-        rl.gl.rlEnd();
+        rl.rlEnd();
-        rl.gl.rlSetTexture(0);
+        rl.rlSetTexture(0);
-        rl.endShaderMode();
+        rl.EndShaderMode();
     }
 
     pub fn size_row(self: *Font, str: []const u8, n: i32, max_width: f32) struct {rl.Vector2, f32, i32} {
@@ -373,7 +368,7 @@ pub const Font = struct {
 };
 
 fn my_kbts_ShapeRun(Context: ?*kb.kbts_shape_context, Run: [*c]kb.kbts_run) c_int {
-    const zone = ztracy.ZoneNC(@src(), "my_kbts_ShapeRun", 0x00_ff_00_00);
+    const zone = tracy.ZoneNC(@src(), "my_kbts_ShapeRun", 0x00_ff_00_00);
     defer zone.End();
     return kb.kbts_ShapeRun(Context, Run);
 }

src/client/main.zig

@@ -1,20 +1,22 @@
 const std      = @import("std");
 const zm       = @import("zmath");
-const znet     = @import("znet");
+// const bufzilla = @import("bufzilla");
-const rl       = @import("raylib");
+const ft       = @import("freetype");
-const bufzilla = @import("bufzilla");
+const tracy    = @import("tracy");
-const ft       = @import("mach-freetype");
-const ztracy   = @import("ztracy");
 const kb       = @import("kb");
 
 const shared   = @import("shared");
 
+const c        = @import("c.zig").c;
+const enet     = @import("c.zig").enet;
+const rl       = @import("c.zig").rl;
 const client   = @import("client.zig");
 const entity   = @import("entity.zig");
 const misc     = @import("misc.zig");
 const font     = @import("font.zig");
+const chunk    = @import("chunk.zig");
 
-const dt          : f32 = 1.0 / 200.0;
+const dt          : f32 = 1.0 / 240.0;
 var   t           : f32 = 0;
 var   gt          : f32 = 0;
 var   accumulator : f32 = 0;
@@ -28,10 +30,10 @@ var running: bool = true;
 
 var dbg_allocator = std.heap.DebugAllocator(.{}){};
 
-// var connection: ?std.net.Stream = undefined;
+var the_chunk : shared.chunk.Chunk = undefined;
 
 pub fn main() !void {
-    const tracy_zone = ztracy.ZoneNC(@src(), "main", 0x00_ff_00_00);
+    const tracy_zone = tracy.ZoneNC(@src(), "main", 0x00_ff_00_00);
     defer tracy_zone.End();
 
     const allocator = dbg_allocator.allocator();
@@ -39,8 +41,6 @@ pub fn main() !void {
         const deinit_status = dbg_allocator.deinit();
         if (deinit_status == .leak) {
             @panic("LEAKED!");
-        } else {
-            // @panic("SUCCESS!");
         }
     }
 
@@ -48,22 +48,24 @@ pub fn main() !void {
 
     _ = try stdout.write("Hello, Client!\n");
 
-    try znet.init();
+    if (enet.enet_initialize() != 0) {
-    defer znet.deinit();
+        std.log.info("Failed to load ENet", .{});
-    // rl.setConfigFlags(.{ .window_highdpi = true, .vsync_hint = true });
+        return;
-    rl.initWindow(screen_width, screen_height, "zzz");
+    }
-    defer rl.closeWindow();
+
+    defer enet.enet_deinitialize();
+
+    rl.SetConfigFlags(rl.FLAG_WINDOW_HIGHDPI);
+    rl.InitWindow(screen_width, screen_height, "zzz");
+    defer rl.CloseWindow();
 
     font.ft_lib = try ft.Library.init();
 
     const sizes = [_]i32{
-        26,
+        30,
     };
 
     var vollkorn: [sizes.len]font.Font = undefined;
-    var inconsolata: [sizes.len]font.Font = undefined;
-    var arabic: [sizes.len]font.Font = undefined;
-    // var japanese: [sizes.len]font.Font = undefined;
 
     for (sizes, 0..) |pt, i| {
         vollkorn[i] = try font.Font.init(
@@ -71,88 +73,27 @@ pub fn main() !void {
             pt,
             allocator
         );
-        inconsolata[i] = try font.Font.init(
-            "assets/fonts/Inconsolata/static/Inconsolata-Regular.ttf",
-            @intCast(pt),
-            allocator
-        );
-        arabic[i] = try font.Font.init(
-            "assets/fonts/Amiri/Amiri-Regular.ttf",
-            @intCast(pt),
-            allocator
-        );
-        // japanese[i] = try font.Font.init(
-        //     "assets/fonts/Noto_Sans_JP/static/NotoSansJP-Regular.ttf",
-        //     @intCast(pt),
-        //     allocator
-        // );
     }
 
     defer {
         for (&vollkorn) |*f| f.deinit(allocator);
-        for (&inconsolata) |*f| f.deinit(allocator);
-        for (&arabic) |*f| f.deinit(allocator);
-        // for (&japanese) |*f| f.deinit(allocator);
     }
 
-    font.shader = try rl.loadShader(null, "assets/text.frag");
+    font.shader = rl.LoadShader(null, "assets/text.frag");
-    // const test_shader1 = try c.LoadShader(null, "assets/test_1.frag");
+    // const test_shader1 = try rl.LoadShader(null, "assets/test_1.frag");
-    // const test_shader2 = try c.LoadShader(null, "assets/test_2.frag");
+    // const test_shader2 = try rl.LoadShader(null, "assets/test_2.frag");
 
-    // font.shader = try rl.loadShader(null, "assets/text.frag");
+    const host = enet.enet_host_create(null, 32, 2, 0, 0);
-    // const test_shader1 = try rl.loadShader(null, "assets/test_1.frag");
+    defer enet.enet_host_destroy(host);
-    // const test_shader2 = try rl.loadShader(null, "assets/test_2.frag");
 
-    // const img = rl.genImageColor(32, 32, .blank);
+    var address = enet.ENetAddress{ .port = shared.protocol_v1.SERVER_PORT };
-    // const tx = try rl.loadTextureFromImage(img);
+     _ = enet.enet_address_set_host(&address, "localhost");
-    // rl.unloadImage(img);
 
-    const host = try znet.Host.init(.{
+    const peer = enet.enet_host_connect(host, &address, 2, 0);
-        .addr = null,
+    defer enet.enet_peer_reset(peer);
-        .peer_limit = 1,
-        .channel_limit = .max,
-        .incoming_bandwidth = .unlimited,
-        .outgoing_bandwidth = .unlimited,
-    });
-    defer host.deinit();
 
-    // const peer = try host.connect(.{
+    the_chunk = try shared.chunk.Chunk.init(allocator);
-    //     .addr = try .init(.{
+    defer the_chunk.deinit(allocator);
-    //         .ip = .{ .ipv4 = "127.0.0.1" },
-    //         .port = .{ .uint = 5000 },
-    //     }),
-    //     .channel_limit = .max,
-    //     .data = 0,
-    // });
-
-    // connect() catch |err| switch (err) {
-    //     error.ConnectionRefused => {
-    //         std.log.err("server refused connection", .{});
-    //     },
-    //     else => {
-    //         std.log.err("unexpected connect error: {}", .{err});
-    //         return err;
-    //     },
-    // };
-
-    // try stdout.flush();
-
-    // var the_chunk = try shared.chunk.initChunk(allocator);
-    // defer shared.chunk.deinitChunk(&the_chunk, allocator);
-
-    // shared.chunk.updateChunk(&the_chunk);
-
-    //var elf = entity.Elf.init();
-
-    // var send_buf: [1024]u8 = undefined;
-    // var writer = if (connection) |*conn| conn.writer(&send_buf) else return;
-
-    // try shared.protocol.sendHello(&writer.interface, .{ .msg = "Hello from client" });
-
-    // var recv_buf: [1024]u8 = undefined;
-    // var reader = if (connection) |*conn| conn.reader(&recv_buf) else return;
-    // const line = try reader.interface().takeDelimiterExclusive('\n');
-    // std.log.info("{s}", .{line});
 
     // const camera = rl.Camera{
                     //     .fovy = 45,
@@ -175,15 +116,13 @@ pub fn main() !void {
     // rl.playMusicStream(music);
     // std.log.info("is music playing? {}", .{rl.isMusicStreamPlaying(music)});
 
-    var old_time : f32 = @floatCast(rl.getTime());
+    var old_time : f32 = @floatCast(rl.GetTime());
-    // var old_time : f32 = @floatCast(rl.getTime());
 
-    while (!rl.windowShouldClose()) {
+    while (!rl.WindowShouldClose()) {
-        const tracy_main_zone = ztracy.ZoneNC(@src(), "loop", 0x00_ff_00_00);
+        const tracy_main_zone = tracy.ZoneNC(@src(), "loop", 0x00_aa_33_10);
         defer tracy_main_zone.End();
 
-        const new_time : f32 = @floatCast(rl.getTime());
+        const new_time : f32 = @floatCast(rl.GetTime());
-        // const new_time : f32 = @floatCast(rl.getTime());
         var frame_time = new_time - old_time;
         old_time = new_time;
 
@@ -193,31 +132,31 @@ pub fn main() !void {
         t += frame_time;
         accumulator += frame_time * k;
 
-        // std.log.info("t: {}", .{t});
 
-        while (try host.service(0)) |event| switch (event) {
+        var event = enet.ENetEvent{};
-            .connect => |data| {
+        while (enet.enet_host_service(host, &event, 0) > 0) {
-                _ = data;
+            switch (event.type) {
-                // std.log.info("{}", .{data.peer});
+                enet.ENET_EVENT_TYPE_CONNECT => {
+                    std.log.info("A new client connected from {d}:{d}.", .{
+                        event.peer.*.address.host,
+                        event.peer.*.address.port
+                    });
+
+                    event.peer.*.data = @constCast(@ptrCast("Client information"));
                 },
-            .disconnect => |data| {
+                enet.ENET_EVENT_TYPE_RECEIVE => {
-                _ = data;
+                    try on_packet(allocator, event.packet, event.peer, event.channelID);
-                // std.log.info("{}", .{data.peer});
+
+                    enet.enet_packet_destroy(event.packet);
                 },
-            .receive => |data| {
+                enet.ENET_EVENT_TYPE_DISCONNECT => {
-                defer data.packet.deinit();
+                    std.log.info("disconnect", .{});
-
-                const slice = data.packet.dataSlice();
-
-                var reader = bufzilla.Reader(.{}).init(slice);
-
-                const id = try reader.readPath("id");
-
-                std.log.info("{any}", .{id});
                 },
-        };
+                else => {}
+            }
+        }
 
-        rl.pollInputEvents();
+        rl.PollInputEvents();
 
         // if (peer.state() == .connected) {
         //     const packet = try znet.Packet.init("Hello, Server!", 0, .reliable);
@@ -228,137 +167,39 @@ pub fn main() !void {
         // rl.updateMusicStream(music);
 
         while (accumulator > dt * k) {
-            // update(dt * cast(float) k);
+            the_chunk.update(dt * k);
             accumulator -= dt * k;
             gt += dt * k;
         }
 
-        rl.beginDrawing();
+        const drawing_zone = tracy.ZoneNC(@src(), "Drawing", 0x00_ff_00_00);
-        rl.clearBackground(.sky_blue);
+
+        rl.BeginDrawing();
+        rl.ClearBackground(rl.SKYBLUE);
 
         // const lorem = @embedFile("embeds/lorem.txt");
 
+
+        for (the_chunk.entities.items) |e| {
+            switch (e) {
+                .Soldier => |soldier| {
+                    entity.render_soldier(soldier);
+                },
+                .Alien   => |alien| {
+                    entity.render_alien(alien);
+                }
+            }
+        }
+
         vollkorn[0].render_text(
             "The night is long and cold outside.",
             rl.Vector2{ .x = 0, .y = 0 },
             true,
-            .white,
+            rl.WHITE,
-            .blank,
+            rl.BLANK,
             false,
             true
         );
-
-        // arabic[0].render_text(
-        //     "الليل طويل وبارد في الخارج",
-        //     rl.Vector2{ .x = 0, .y = 100},
-        //     true,
-        //     .white,
-        //     .blank,
-        //     false,
-        //     true
-        // );
-
-        // var y : f32 = 0;
-        // var it = std.mem.splitScalar(u8, lorem, '\n');
-        // while (it.next()) |line| {
-        //     vollkorn[0].render_text(
-        //         line,
-        //         rl.Vector2{ .x = 0, .y = y},
-        //         true,
-        //         .white,
-        //         .blank,
-        //         false,
-        //         true
-        //     );
-
-        //     const font_linegap : f32 = @floatFromInt(vollkorn[0].face.size().metrics().height >> 6);
-        //     const dpi_font_linegap = font_linegap / rl.getWindowScaleDPI().y;
-
-        //     y += dpi_font_linegap;
-        // }
-
-
-        // for (&vollkorn) |*f| {
-        //     f.render_text(
-        //         "Whereas, disregard and contempt for human rights have resulted!",
-        //         rl.Vector2{ .x = 0, .y = y},
-        //         true,
-        //         .white,
-        //         .blank,
-        //         false,
-        //         true
-        //     );
-
-        //     // const font_ascent : f32 = @floatFromInt(f.face.size().metrics().ascender >> 6);
-        //     // const dpi_font_ascent = font_ascent / rl.getWindowScaleDPI().y;
-
-        //     // const font_descent : f32 = @floatFromInt(f.face.size().metrics().descender >> 6);
-        //     // const dpi_font_descent = font_descent / rl.getWindowScaleDPI().y;
-
-        //     const font_linegap : f32 = @floatFromInt(f.face.size().metrics().height >> 6);
-        //     const dpi_font_linegap = font_linegap / rl.getWindowScaleDPI().y;
-
-        //     y += dpi_font_linegap;
-        // }
-
-        // for (&inconsolata) |*f| {
-        //     f.render_text(
-        //         "Whereas, disregard and contempt for human rights have resulted!",
-        //         rl.Vector2{ .x = 0, .y = y},
-        //         true,
-        //         .white,
-        //         .blank,
-        //         false,
-        //         true
-        //     );
-
-        //     // const font_ascent : f32 = @floatFromInt(f.face.size().metrics().ascender >> 6);
-        //     // const dpi_font_ascent = font_ascent / rl.getWindowScaleDPI().y;
-
-        //     // const font_descent : f32 = @floatFromInt(f.face.size().metrics().descender >> 6);
-        //     // const dpi_font_descent = font_descent / rl.getWindowScaleDPI().y;
-
-        //     const font_linegap : f32 = @floatFromInt(f.face.size().metrics().height >> 6);
-        //     const dpi_font_linegap = font_linegap / rl.getWindowScaleDPI().y;
-
-        //     y += dpi_font_linegap;
-        // }
-
-        // for (&japanese) |*f| {
-        //     f.render_text(
-        //         "外は夜が長くて寒い",
-        //         c.Vector2{ .x = 0, .y = y},
-        //         true,
-        //         c.WHITE,
-        //         c.BLANK,
-        //         false,
-        //         true
-        //     );
-
-        //     const font_ascent : f32 = @floatFromInt(f.face.size().metrics().ascender >> 6);
-        //     const dpi_font_ascent = font_ascent / c.GetWindowScaleDPI().y;
-
-        //     y += dpi_font_ascent;
-        // }
-
-        // for (&arabic) |*f| {
-
-
-        //     const font_ascent : f32 = @floatFromInt(f.face.size().metrics().ascender >> 6);
-        //     const dpi_font_ascent = font_ascent / rl.getWindowScaleDPI().y;
-
-        //     y += dpi_font_ascent;
-        // }
-        // f.render_text(
-        //     "Whereas, disregard and contempt for human rights have resulted!",
-        //     rl.Vector2.init(0, 0),
-        //     true,
-        //     rl.Color.white,
-        //     rl.Color.blank,
-        //     false,
-        //     true
-        // );
-
         // rl.beginShaderMode(test_shader1);
         // rl.gl.rlBegin(rl.gl.rl_quads);
 
@@ -482,20 +323,96 @@ pub fn main() !void {
         // rl.drawSphere(.{ .x = 0, .y = 0, .z = 0 }, 1, .red);
         // rl.endMode3D();
 
-        rl.endDrawing();
+        rl.EndDrawing();
+        drawing_zone.End();
 
-        const swap_zone = ztracy.ZoneNC(@src(), "swapScreenBuffer", 0x00_ff_00_00);
+        const swap_zone = tracy.ZoneNC(@src(), "SwapScreenBuffer", 0x00_ff_00_00);
-        rl.swapScreenBuffer();
+        rl.SwapScreenBuffer();
         swap_zone.End();
 
         frame += 1;
 
-        ztracy.FrameMark();
+        tracy.FrameMark();
+    }
+}
+
+fn on_packet(allocator: std.mem.Allocator, packet: *enet.ENetPacket, peer: *enet.ENetPeer, channelID: i32) !void {
+    // std.log.info("A packet of length {d} containing {s} was received from {s} on channel {d}.", .{
+    //                 packet.*.dataLength,
+    //                 packet.*.data,
+    //                 @as([*:0]const u8, @ptrCast(peer.*.data.?)),
+    //                 channelID});
+
+    _ = peer;
+    _ = channelID;
+
+    const bytes: []const u8 = packet.*.data[0 .. packet.*.dataLength];
+
+    var reader = shared.bits.BitReader.init(bytes);
+
+    const msg : shared.protocol_v1.Message = try reader.deserialize(allocator, shared.protocol_v1.Message);
+
+    try on_message(allocator, msg);
+}
+
+fn on_message(allocator: std.mem.Allocator, msg: shared.protocol_v1.Message) !void {
+    switch (msg) {
+        .spawn_entity   => |se| { try on_spawn_entity(allocator, se); },
+        .update_entity  => |ue| { on_update_entity(ue); },
+        .despawn_entity => |de| { on_despawn_entity(allocator, de); },
+    }
+}
+
+fn on_spawn_entity(allocator: std.mem.Allocator, p: shared.protocol_v1.EntityPayload) !void {
+    // _ = allocator; _ = se;
+    switch (p) {
+        .soldier => |s| {
+            const soldier = shared.entity.Soldier{
+                .id = s.id,
+                .hp = s.hp,
+                .pos = s.pos,
+                .vel = s.vel,
+            };
+             _ = try chunk.spawn(&the_chunk, allocator, shared.entity.Soldier, soldier);
+        },
+        .alien => |a| {
+            const alien = shared.entity.Alien{
+                .id = a.id,
+                .hp = a.hp,
+                .pos = a.pos,
+            };
+            _ = try chunk.spawn(&the_chunk, allocator, shared.entity.Alien, alien);
+        },
+    }
+}
+
+fn on_update_entity(p: shared.protocol_v1.EntityPayload) void {
+    switch (p) {
+        .soldier => |s| {
+            if (chunk.findT(&the_chunk, shared.entity.Soldier, s.id)) |soldier| {
+                soldier.hp = s.hp;
+                soldier.pos = s.pos;
+                soldier.vel = s.vel;
+            }
+        },
+        .alien => |a| {
+            if (chunk.findT(&the_chunk, shared.entity.Alien, a.id)) |alien| {
+                alien.hp = a.hp;
+                alien.pos = a.pos;
+            }
+        },
+    }
+}
+
+fn on_despawn_entity(allocator: std.mem.Allocator, p: shared.protocol_v1.EntityPayload) void {
+    switch (p) {
+        .soldier => |s| { _ = chunk.despawn(&the_chunk, allocator, s.id); },
+        .alien   => |a| { _ = chunk.despawn(&the_chunk, allocator, a.id); },
     }
 }
 
 fn connect() !void {
-    // const address = try std.net.Address.parseIp4("127.0.0.1", shared.protocol.SERVER_PORT);
+    // const address = try std.net.Address.parseIp4("127.0.0.1", shared.protocol_v1.SERVER_PORT);
 
     // connection = try std.net.tcpConnectToAddress(address);
 

src/client/misc.zig

@@ -1,4 +1,4 @@
-const rl = @import("raylib");
+const rl = @import("c.zig").rl;
 
 const FPS_CAPTURE_FRAMES_COUNT : i32 = 30;      // 30 captures
 const FPS_AVERAGE_TIME_SECONDS : f32 = 0.5;     // 500 milliseconds
@@ -10,33 +10,23 @@ var average : f32 = 0;
 var last    : f32 = 0;
 
 pub fn drawFPS(posX : i32, posY : i32, fpsFrame : f32) void {
-    var color : rl.Color = .lime;                // Good FPS
+    var color : rl.Color = rl.LIME;                // Good FPS
     const fps : i32 = getFPS(fpsFrame);
 
-    if ((fps < 30) and (fps >= 15)) {color = .orange;}  // Warning FPS
+    if ((fps < 30) and (fps >= 15)) {color = rl.ORANGE;}  // Warning FPS
-    else if (fps < 15) color = .red;             // Low FPS
+    else if (fps < 15) color = rl.RED;             // Low FPS
 
-    rl.drawText(rl.textFormat("%2i FPS", .{fps}), posX, posY, 20, color);
+    rl.DrawText(rl.TextFormat("%2i FPS", fps), posX, posY, 20, color);
 }
 
 pub fn getFPS(fpsFrame : f32) i32 {
     var fps : i32 = 0;
 
-    // if we reset the window, reset the FPS info
-    // if (frame == 0)
-    // {
-    //     average = 0;
-    //     last = 0;
-    //     index = 0;
-
-    //     for (0..FPS_CAPTURE_FRAMES_COUNT) |i| history[i] = 0;
-    // }
-
     if (fpsFrame == 0) return 0;
 
-    if ((rl.getTime() - last) > FPS_STEP)
+    if ((rl.GetTime() - last) > FPS_STEP)
     {
-        last = @floatCast(rl.getTime());
+        last = @floatCast(rl.GetTime());
         index = (index + 1) % FPS_CAPTURE_FRAMES_COUNT;
         average -= history[index];
         history[index] = fpsFrame / FPS_CAPTURE_FRAMES_COUNT;

src/server/c.zig

@@ -0,0 +1,3 @@
+pub const enet = @cImport({
+    @cInclude("enet/enet.h");
+});

src/server/chunk.zig

@@ -1,43 +1,56 @@
 const std = @import("std");
-const znet = @import("znet");
+// const bufzilla = @import("bufzilla");
-const bufzilla = @import("bufzilla");
 
 const shared = @import("shared");
 const server = @import("server.zig");
+const enet   = @import("c.zig").enet;
 
-pub fn spawn(chunk: *shared.chunk.Chunk, comptime T: type, allocator: std.mem.Allocator, value: T) !void {
+pub fn spawn(self: *shared.chunk.Chunk, allocator: std.mem.Allocator, host: *enet.ENetHost, comptime T: type, value: T) !shared.entity.id {
     std.debug.assert(value.id == shared.entity.INVALID_ID);
 
     const id = server.next_entity_id;
     server.next_entity_id += 1;
 
-    var entity = value;
+    const ptr = try allocator.create(T);
-    entity.id = id;
+    errdefer allocator.destroy(ptr);
 
-    inline for (@typeInfo(shared.chunk.Chunk).@"struct".fields) |field| {
+    ptr.* = value;
-        if (field.type == shared.chunk.Storage(T)) {
+    ptr.id = id;
-            try @field(chunk, field.name).items.append(allocator, entity);
+
-            break;
+    const ref = shared.entity.makeRef(T, ptr);
-        }
+
-    }
+    try self.entities.append(allocator, ref);
+
+    _ = host;
+
+
+    // std.log.info("{}", .{shared.protocol.makeSpawnMessage(T, entity)});
 
     // serialize entity
-    var buffer: [128]u8 = undefined;
+    // const msg = shared.protocol.makeSpawnMessage(T, entity);
-    var fixed = std.io.Writer.fixed(&buffer);
 
-    const msg = shared.protocol.makeSpawnMessage(T, entity);
+    // const data = fixed.buffered();
+    // const packet = enet.enet_packet_create(data.ptr, data.len + 1, enet.ENET_PACKET_FLAG_RELIABLE);
 
-    var writer = bufzilla.Writer.init(&fixed);
+    // enet.enet_host_broadcast(host, 0, packet);
-    try writer.writeAny(msg);
 
-    const encoded = fixed.buffered();
+    return ptr.id;
-
-    const packet = try znet.Packet.init(encoded, 0, .reliable);
-    var iterator = server.host.iterPeers();
-
-    while (iterator.next()) |peer| {
-        if (peer.state() == .connected) {
-            try peer.send(packet);
 }
+
+pub fn broadcastChanges(chunk: *shared.chunk.Chunk, allocator: std.mem.Allocator, host: *enet.ENetHost) !void {
+    var aw = try std.ArrayList(u8).initCapacity(allocator, 128);
+    defer aw.deinit(allocator);
+
+    var writer = shared.bits.BitWriter.init(&aw);
+
+    for (chunk.entities.items) |e| {
+        const msg = shared.protocol_v1.makeMessage(.update_entity, e);
+        try writer.serialize(allocator, msg);
     }
+
+    const encoded = writer.written();
+    
+    const packet = enet.enet_packet_create(encoded.ptr, encoded.len, enet.ENET_PACKET_FLAG_RELIABLE);
+
+    enet.enet_host_broadcast(host, 0, packet);
 }

src/server/main.zig

@@ -1,84 +1,101 @@
 const std    = @import("std");
 const zm     = @import("zmath");
-const znet = @import("znet");
+const enet   = @import("c.zig").enet;
+// const bufzilla = @import("bufzilla");
 
 const shared = @import("shared");
 
 const chunk  = @import("chunk.zig");
 const server = @import("server.zig");
 
-const dt          : f32 = 1.0 / 200.0;
+const dt          : f32 = 1.0 / 240.0;
 var   t           : f32 = 0;
 var   gt          : f32 = 0;
-var   accumulator : f32 = 0;
 var   k           : f32 = 1.0;
 var   frame       : i32 = 0;
 
-var stdout: *std.io.Writer = undefined;
+const frame_dt_ns: i128 = std.time.ns_per_s / 10;
+
+var dbg_allocator = std.heap.DebugAllocator(.{}){};
+
+const log = std.log.scoped(.server);
 
 pub fn main() !void {
-    std.log.info("Hello Server!", .{});
+
-    var dbg_allocator = std.heap.DebugAllocator(.{}).init;
-    defer _ = dbg_allocator.deinit();
     const allocator = dbg_allocator.allocator();
+    defer {
+        const deinit_status = dbg_allocator.deinit();
+        if (deinit_status == .leak) {
+            @panic("LEAKED!");
+        }
+    }
 
-    var stdout_buffer: [1024]u8 = undefined;
+    var stdout = std.fs.File.stdout();
-    var stdout_writer = std.fs.File.stdout().writer(&stdout_buffer);
+    _ = try stdout.write("Hello, Server!\n");
-    stdout = &stdout_writer.interface;
 
-    try stdout.flush();
+    if (enet.enet_initialize() != 0) {
+        log.info("Failed to load ENet", .{});
+        return;
+    }   
+    defer enet.enet_deinitialize();
 
-    try znet.init();
+    const address = enet.ENetAddress{ .host = enet.ENET_HOST_ANY, .port = shared.protocol_v1.SERVER_PORT };
-    defer znet.deinit();
+    const host = enet.enet_host_create(&address, 32, 2, 0, 0);
+    if (host == null) {
+        @panic("host is null");
+    }
+    defer enet.enet_host_destroy(host);
 
-    server.host = try znet.Host.init(.{
+    var the_chunk = try shared.chunk.Chunk.init(allocator);
-        .addr = try .init(.{
+    defer the_chunk.deinit(allocator);
-            .ip = .any,
-            .port = .{ .uint = 5000 },
-        }),
-        .peer_limit = 32,
-        .channel_limit = .max,
-        .incoming_bandwidth = .unlimited,
-        .outgoing_bandwidth = .unlimited,
-    });
 
-    // const address = try std.net.Address.parseIp4("127.0.0.1", shared.protocol.SERVER_PORT);
+    _ = try chunk.spawn(
-    // var tcp_server = try address.listen(.{});
+        &the_chunk,
+        allocator,
+        host,
+        shared.entity.Soldier,
+        .{
+            .hp = 10,
+            .pos = zm.f32x4(5.0, 0, 0, 0),
+            .vel = zm.f32x4(0,   0, 0, 0),
+        }
+    );
 
-    // defer tcp_server.deinit();
+    var last_time: i128 = std.time.nanoTimestamp();
+    var next_frame_deadline: i128 = last_time + frame_dt_ns;
 
-    var the_chunk = try shared.chunk.initChunk(allocator);
+    var accumulator: f32 = 0;
-    defer shared.chunk.deinitChunk(&the_chunk, allocator);
-
-    var old_time = std.time.nanoTimestamp();
 
     while (true) {
-        const new_time = std.time.nanoTimestamp();
+        const now = std.time.nanoTimestamp();
-        var frame_time : f32 = @as(f32, @floatFromInt(new_time - old_time)) / 1_000_000_000.0;
+        var delta_ns = now - last_time;
-        old_time = new_time;
+        last_time = now;
 
-        if (frame_time > 0.25)
+        if (delta_ns > std.time.ns_per_s / 4)
-            frame_time = 0.25;
+            delta_ns = std.time.ns_per_s / 4;
 
-        t += frame_time;
+        const delta_s: f32 = @floatCast(@as(f64, @floatFromInt(delta_ns)) / 1e9);
-        accumulator += frame_time * k;
 
-        // std.log.info("t: {}", .{t});
+        t += delta_s;
+        accumulator += delta_s * k;
         
-        while (try server.host.service(0)) |event| switch (event) {
+        log.info("Starting a the frame {} at time {}", .{frame, t});
-            .connect => |data| {
+
-                _ = data;
+        var event = enet.ENetEvent{};
-                // std.log.info("{}", .{data.peer});
+        while (enet.enet_host_service(host, &event, 0) > 0) {
+            switch (event.type) {
+                enet.ENET_EVENT_TYPE_CONNECT => {
+                    try on_connect(allocator, host, event.peer, &the_chunk);
                 },
-            .disconnect => |data| {
+                enet.ENET_EVENT_TYPE_RECEIVE => {
-                _ = data;
+                    log.info("receive", .{});
-                // std.log.info("{}", .{data.peer});
                 },
-            .receive => |data| {
+                enet.ENET_EVENT_TYPE_DISCONNECT => {
-                std.log.info("{s}", .{data.packet.dataSlice()});
+                    log.info("disconnect", .{});
-                defer data.packet.deinit();
                 },
-        };
+                else => {},
+            }
+        }
 
         // const connection = try tcp_server.accept();
         // defer connection.stream.close();
@@ -87,18 +104,13 @@ pub fn main() !void {
         // var reader = connection.stream.reader(&recv_buffer);
 
         // const line = try reader.interface().takeDelimiterExclusive('\n');
-        // std.log.info("Received: {s}", .{line});
+        // log.info("Received: {s}", .{line});
 
         // var send_buffer: [4096]u8 = undefined;
         // var writer = connection.stream.writer(&send_buffer);
         // const w = &writer.interface;
         // try shared.protocol.sendHello(w, .{ .msg = "Hello from server!" });
 
-        try chunk.spawn(&the_chunk, shared.entity.Elf, allocator, .{
-            .pos = zm.f32x4(1, 1, 0, 0),
-            .hp = 10,
-        });
-
         // try chunk.spawn(&the_chunk, shared.entity.Monster, allocator, .{
         //     .pos = zm.f32x4(1, 1, 0, 0),
         //     .hp = 20,
@@ -109,8 +121,52 @@ pub fn main() !void {
         //     .vel = zm.f32x4(0.2, 0, 0, 0),
         // }, w);
 
-        shared.chunk.updateChunk(&the_chunk);
+        while (accumulator > dt * k) {
+            the_chunk.update(dt * k);
+
+            accumulator -= dt * k;
+            gt += dt * k;
         }
+
+        try chunk.broadcastChanges(&the_chunk, allocator, host);
+
+        const spin_ns: i128 = 100_000; // 0.1 ms
+
+        while (true) {
+            const _t = std.time.nanoTimestamp();
+            const remaining = next_frame_deadline - _t;
+
+            if (remaining <= 0)
+                break;
+
+            if (remaining > spin_ns)
+                std.Thread.sleep(@intCast(remaining - spin_ns));
+        }
+
+        next_frame_deadline += frame_dt_ns;
+
+        frame += 1;
+    }
+}
+
+fn on_connect(allocator: std.mem.Allocator, host: *enet.ENetHost, peer: *enet.ENetPeer, the_chunk: *shared.chunk.Chunk) !void {
+    var aw = try std.ArrayList(u8).initCapacity(allocator, 128);
+    defer aw.deinit(allocator);
+
+    _ = peer;
+
+    var writer = shared.bits.BitWriter.init(&aw);
+
+    for (the_chunk.entities.items) |e| {
+        const msg = shared.protocol_v1.makeMessage(.spawn_entity, e);
+        try writer.serialize(allocator, msg);
+    }
+
+    const encoded = writer.written();
+    
+    const packet = enet.enet_packet_create(encoded.ptr, encoded.len, enet.ENET_PACKET_FLAG_RELIABLE);
+
+    enet.enet_host_broadcast(host, 0, packet);
 }
 
 //fn handle_connection(connection: std.net.Server.Connection) !void {}

src/shared/bits.zig

@@ -0,0 +1,286 @@
+const std = @import("std");
+
+// pub fn serialize(writer: *BitWriter, allocator: std.mem.Allocator, comptime T: type, value: T) !void {
+//     const info = @typeInfo(T);
+
+//     switch (info) {
+//         .int, .bool => {
+//             try writer.write(allocator, T, value);
+//         },
+
+//         .@"struct" => |s| {
+//             if (!s.is_packed)
+//                 @compileError("serialize only supports packed structs (got " ++ @typeName(T) ++ ")");
+
+//             inline for (s.fields) |field| {
+//                 const field_value = @field(value, field.name);
+//                 try serialize(writer, allocator, field_value);
+//             }
+//         },
+
+//         .@"union" => |u| {
+//             if (u.layout != .@"packed")
+//                 @compileError("serialize only supports packed structs (got " ++ @typeName(T) ++ ")");
+
+//             inline for (u.fields) |field| {
+//                 const field_value = @field(value, field.name);
+//                 try serialize(writer, allocator, field_value);
+//             }
+//         },
+
+//         else => @compileError("Unsupported type in serialize: " ++ @typeName(T)),
+//     }
+// }
+
+
+pub const BitWriter = struct {
+    // We store a pointer to the ArrayList so we can grow it
+    bytes: *std.ArrayList(u8),
+    bit_offset: usize = 0,
+
+    pub fn init(bytes: *std.ArrayList(u8)) BitWriter {
+        return .{ .bytes = bytes };
+    }
+
+    pub fn serialize(self: *BitWriter, allocator: std.mem.Allocator, value: anytype) !void {
+        const T = @TypeOf(value);
+        const info = @typeInfo(T);
+
+        switch (info) {
+            .@"struct" => |s| {
+                inline for (s.fields) |f|
+                    try self.serialize(allocator, @field(value, f.name));
+            },
+            .@"union" => |u| {
+                const E = u.tag_type orelse @compileError(std.fmt.comptimePrint("Union {s} has to tag type.", .{@typeName(T)}));
+                try self.serialize(allocator, @as(E, value));
+                switch (value) {
+                    inline else => |f| try self.serialize(allocator, f),
+                }
+            },
+            .@"enum" => try self.serialize(allocator, @intFromEnum(value)),
+            .pointer => |p| switch (p.size) {
+                .one => try self.serialize(allocator, value.*),
+                .slice => {
+                    try self.serialize(allocator, value.len);
+                    for (value) |e|
+                        try self.serialize(allocator, e);
+                },
+                .many, .c => @compileError(std.fmt.comptimePrint("Unsupported type: {}", .{T})),
+            },
+            .int, .bool, .float, => try self.write(allocator, value),
+            .void => {},
+            .array => |a| if (@sizeOf(a.child) == 1) {
+                try self.write(allocator, @ptrCast(&value));
+            } else {
+                for (value) |e|
+                    try self.serialize(allocator, e);
+            },
+            .optional => if (value) |_t| {
+                try self.serialize(allocator, true);
+                try self.serialize(allocator, _t);
+            } else {
+                try self.serialize(allocator, false);
+            },
+            .vector => |v| try self.serialize(allocator, @as([v.len]v.child, value)),
+            else => @compileError(std.fmt.comptimePrint("Unsupported type: {}", .{T})),
+        }
+    }
+
+    fn write(self: *BitWriter, allocator: std.mem.Allocator, value: anytype) !void {
+        const T = @TypeOf(value);
+        const bit_width = @bitSizeOf(T);
+
+        const UnsignedT = std.meta.Int(.unsigned, bit_width);
+        const bits_to_write = @as(UnsignedT, @bitCast(value));
+
+        var remaining : usize = bit_width;
+        while (remaining > 0) {
+            const byte_index = self.bit_offset / 8;
+            const bit_in_byte = self.bit_offset % 8;
+
+            // If we are moving into a new byte, grow the ArrayList
+            if (byte_index >= self.bytes.items.len) {
+                try self.bytes.append(allocator, 0);
+            }
+
+            const space_in_byte = 8 - bit_in_byte;
+            const chunk_size = @min(remaining, space_in_byte);
+
+            const mask : u8 = std.math.shr(u8, 0xFF, 8 - chunk_size);
+
+            const bits : u8 = @truncate(std.math.shr(UnsignedT, bits_to_write, remaining - chunk_size) & mask);
+
+            self.bytes.items[byte_index] |= std.math.shl(u8, bits, space_in_byte - chunk_size);
+
+            self.bit_offset += chunk_size;
+            remaining -= chunk_size;
+        }
+    }
+
+    pub fn written(self: *BitWriter) []const u8 {
+        const bytes_used = (self.bit_offset + 7) / 8; // round up bits → bytes
+        return self.bytes.items[0..bytes_used];
+    }
+};
+
+pub const BitReader = struct {
+    bytes: []const u8,
+    bit_offset: usize = 0,
+
+    pub fn init(bytes: []const u8) BitReader {
+        return .{ .bytes = bytes };
+    }
+
+    pub fn deserialize(self: *BitReader, allocator: std.mem.Allocator, T: type) !T {
+        return switch (@typeInfo(T)) {
+            .@"struct" => |s| b: {
+                var data: T = undefined;
+                inline for (s.fields) |f|
+                    @field(data, f.name) = try self.deserialize(allocator, f.type);
+                break :b data;
+            },
+            .@"union" => |u| switch (try self.deserialize(allocator, u.tag_type.?)) {
+                inline else => |t| b: {
+                    var data: T = @unionInit(T, @tagName(t), undefined);
+                    const field = &@field(data, @tagName(t));
+                    field.* = try self.deserialize(allocator, @TypeOf(field.*));
+                    break :b data;
+                },
+            },
+            .@"enum" => |e| @enumFromInt(try self.deserialize(allocator, e.tag_type)),
+            .pointer => |p| switch (p.size) {
+                .one => b: {
+                    const ptr = try allocator.create(p.child);
+                    errdefer allocator.destroy(ptr);
+                    ptr.* = try self.deserialize(allocator, p.child);
+                    break :b ptr;
+                },
+                .slice => b: {
+                    const slice = try allocator.alloc(p.child, try self.deserialize(allocator, usize));
+                    errdefer allocator.free(slice);
+                    for (slice) |*e|
+                        e.* = try self.deserialize(allocator, p.child);
+                    break :b slice;
+                },
+                .many, .c => @compileError(std.fmt.comptimePrint("Unsupported type: {}", .{T})),
+            },
+            .int, .bool, .float => self.read(T),
+            .void => {},
+            .array => |a| b: {
+                var array: T = undefined;
+                if (@sizeOf(a.child) == 1) {
+                    try self.read(&array);
+                } else {
+                    for (&array) |*e|
+                        e.* = try self.deserialize(allocator, a.child);
+                }
+                break :b array;
+            },
+            .optional => |o| if (try self.deserialize(allocator, bool))
+                try self.deserialize(o.child, allocator)
+            else
+                null,
+            .vector => |v| try self.deserialize(allocator, [v.len]v.child),
+            else => @compileError(std.fmt.comptimePrint("Unsupported type: {}", .{T})),
+        };
+    }
+
+    pub fn read(self: *BitReader, comptime T: type) T {
+        // const info = @typeInfo(T);
+
+        const bit_width = @bitSizeOf(T);
+
+        const UnsignedT = std.meta.Int(.unsigned, bit_width);
+
+        var remaining: usize = bit_width;
+        var result: UnsignedT = 0;
+
+        while (remaining > 0) {
+            const byte_index = self.bit_offset / 8;
+            const bit_in_byte = self.bit_offset % 8;
+
+            const space_in_byte = 8 - bit_in_byte;
+            const chunk_size = @min(remaining, space_in_byte);
+
+            const mask: u8 = std.math.shr(u8, 0xFF, 8 - chunk_size);
+
+            // Extract chunk MSB-first from current byte
+            const shift_from_byte = space_in_byte - chunk_size;
+
+            const bits: u8 = std.math.shr(u8, self.bytes[byte_index], shift_from_byte) & mask;
+
+            // Shift into result (from MSB side)
+            result |= std.math.shl(UnsignedT, @intCast(bits), remaining - chunk_size);
+
+            self.bit_offset += chunk_size;
+            remaining -= chunk_size;
+        }
+
+        return @bitCast(result);
+    }
+};
+
+test "Bit Stream" {
+    std.debug.print("Bit Stream\n", .{});
+    const allocator = std.testing.allocator;
+
+    var aw = try std.ArrayList(u8).initCapacity(allocator, 128);
+    defer aw.deinit(allocator);
+
+    var writer = BitWriter.init(&aw);
+
+    const _a : u3   = 0x5;
+    const _b : bool = true;
+    const _c : u3   = 0x1;
+    const _d : u4   = 0xE;
+    const _e : u32  = 0xFFFFFFFA;
+    const _f : i32  = -3;
+    const _g : f32  = 6.667;
+
+    const ts = struct {
+        a: i32,
+        n: []const u8,
+
+        pub fn format(self: @This(), w: *std.io.Writer) !void {
+
+            try w.print(".{{ .a = {}, .n = \"{s}\" }}", .{ self.a, self.n });
+        }
+    };
+
+    const _h : ts = .{
+        .a = 44,
+        .n = "hello",
+    };
+
+    try writer.serialize(allocator, _a);
+    try writer.serialize(allocator, _b);
+    try writer.serialize(allocator, _c);
+    try writer.serialize(allocator, _d);
+    try writer.serialize(allocator, _e);
+    try writer.serialize(allocator, _f);
+    try writer.serialize(allocator, _g);
+    try writer.serialize(allocator, _h);
+
+    var reader = BitReader.init(writer.written());
+
+    const _1 : u3   = try reader.deserialize(allocator, u3);
+    const _2 : bool = try reader.deserialize(allocator, bool);
+    const _3 : u3   = try reader.deserialize(allocator, u3);
+    const _4 : u4   = try reader.deserialize(allocator, u4);
+    const _5 : u32  = try reader.deserialize(allocator, u32);
+    const _6 : i32  = try reader.deserialize(allocator, i32);
+    const _7        = try reader.deserialize(allocator, f32);
+    const _8        = try reader.deserialize(allocator, ts);
+    defer allocator.free(_8.n);
+
+    try std.testing.expectEqual(_a,   _1);
+    try std.testing.expectEqual(_b,   _2);
+    try std.testing.expectEqual(_c,   _3);
+    try std.testing.expectEqual(_d,   _4);
+    try std.testing.expectEqual(_e,   _5);
+    try std.testing.expectEqual(_f,   _6);
+    try std.testing.expectEqual(_g,   _7);
+
+    try std.testing.expectEqualDeep(_h, _8);
+}

src/shared/c.zig

@@ -0,0 +1,3 @@
+pub const enet = @cImport({
+    @cInclude("enet/enet.h");
+});

src/shared/chunk.zig

@@ -2,93 +2,120 @@ const std = @import("std");
 const entity = @import("entity.zig");
 const misc   = @import("misc.zig");
 
-pub fn Storage(comptime T: type) type {
+// pub fn Storage(comptime T: type) type {
-    return struct {
+//     return struct {
-        items: std.ArrayList(T),
+//         items: std.ArrayList(T),
 
-        pub fn init(allocator: std.mem.Allocator) !@This() {
+//         pub fn init(allocator: std.mem.Allocator) !@This() {
+//             return .{
+//                 .items = try std.ArrayList(T).initCapacity(allocator, 32),
+//             };
+//         }
+
+//         pub fn deinit(self: *@This(), allocator: std.mem.Allocator) void {
+//             self.items.deinit(allocator);
+//         }
+
+//         pub fn update(self: *@This()) void {
+//             for (self.items.items, 0..) |*item, i| {
+//                 _ = i;
+//                 if (@hasDecl(T, "update"))
+//                     item.update();
+//             }
+//         }
+//     };
+// }
+
+// pub const Chunk = _Chunk();
+
+// fn _Chunk() type {
+//     const FieldCount = entity.EntityKinds.len;
+
+//     var fields: [FieldCount]std.builtin.Type.StructField = undefined;
+
+//     inline for (entity.EntityKinds, 0..) |T, i| {
+//         fields[i] = .{
+//             .name = misc.short_type_name(T),
+//             .type = std.ArrayList(T),
+//             .default_value_ptr = null,
+//             .is_comptime = false,
+//             .alignment = @alignOf(std.ArrayList(T)),
+//         };
+//     }
+
+//     return @Type(.{
+//         .@"struct" = .{
+//             .layout = .auto,
+//             .fields = &fields,
+//             .decls = &.{},
+//             .is_tuple = false,
+//         },
+//     });
+// }
+
+// pub fn initChunk(allocator: std.mem.Allocator) !Chunk {
+//     var chunk: Chunk = undefined;
+
+//     inline for (@typeInfo(Chunk).@"struct".fields) |field| {
+//         const ListT = field.type;
+//         @field(chunk, field.name) = try ListT.initCapacity(allocator, 32);
+//     }
+
+//     return chunk;
+// }
+
+// pub fn deinitChunk(chunk: *Chunk, allocator: std.mem.Allocator) void {
+//     switch (@typeInfo(Chunk)) {
+//         .@"struct" => |s| {
+//             inline for (s.fields) |field| {
+//                 @field(chunk, field.name).deinit(allocator);
+//             }
+//         },
+//         else => unreachable,
+//     }
+// }
+
+// pub fn updateChunk(chunk: *Chunk) void {
+//     inline for (@typeInfo(Chunk).@"struct".fields) |field| {
+//         const list = &@field(chunk, field.name);
+
+//         for (list.items, 0..) |*item, i| {
+//             _ = i;
+//             if (@hasDecl(@TypeOf(item.*), "update"))
+//                 item.update();
+//         }
+//     }
+// }
+
+pub const Chunk = struct {
+    entities : std.ArrayList(entity.Ref),
+
+    pub fn init(allocator: std.mem.Allocator) !Chunk {
         return .{
-                .items = try std.ArrayList(T).initCapacity(allocator, 32),
+            .entities = try std.ArrayList(entity.Ref).initCapacity(allocator, 128),
         };
     }
 
     pub fn deinit(self: *@This(), allocator: std.mem.Allocator) void {
-            self.items.deinit(allocator);
+        for (self.entities.items) |ref| {
+            switch (ref) {
+                inline else => |ptr| allocator.destroy(ptr),
+            }
         }
 
-        pub fn update(self: *@This()) void {
+        self.entities.deinit(allocator);
-            for (self.items.items, 0..) |*item, i| {
+    }
-                _ = i;
+
-                if (@hasDecl(T, "update"))
+    pub fn update(self: *@This(), dt: f32) void {
-                    item.update();
+        for (self.entities.items) |e| {
+            switch (e) {
+                .Soldier => |s| {
+                    s.update(dt);
+                },
+                .Alien => |a|  {
+                    a.update(dt);
+                },
+            }
         }
     }
 };
-}
-
-pub const Chunk = _Chunk();
-
-fn _Chunk() type {
-    const FieldCount = entity.EntityKinds.len;
-
-    var fields: [FieldCount]std.builtin.Type.StructField = undefined;
-
-    inline for (entity.EntityKinds, 0..) |T, i| {
-        fields[i] = .{
-            .name = misc.short_type_name(T),
-            .type = Storage(T),
-            .default_value_ptr = null,
-            .is_comptime = false,
-            .alignment = @alignOf(Storage(T)),
-        };
-    }
-
-    return @Type(.{
-        .@"struct" = .{
-            .layout = .auto,
-            .fields = &fields,
-            .decls = &.{},
-            .is_tuple = false,
-        },
-    });
-}
-
-pub fn initChunk(allocator: std.mem.Allocator) !Chunk {
-    var chunk: Chunk = undefined;
-
-    switch (@typeInfo(Chunk)) {
-        .@"struct" => |s| {
-            inline for (s.fields) |field| {
-                const StorageT = field.type;
-                @field(chunk, field.name) = try StorageT.init(allocator);
-            }
-        },
-        else => unreachable,
-    }
-
-    return chunk;
-}
-
-pub fn deinitChunk(chunk: *Chunk, allocator: std.mem.Allocator) void {
-    switch (@typeInfo(Chunk)) {
-        .@"struct" => |s| {
-            inline for (s.fields) |field| {
-                @field(chunk, field.name).deinit(allocator);
-            }
-        },
-        else => unreachable,
-    }
-}
-
-pub fn updateChunk(chunk: *Chunk) void {
-    const info = @typeInfo(Chunk);
-
-    switch (info) {
-        .@"struct" => |s| {
-            inline for (s.fields) |field| {
-                @field(chunk, field.name).update();
-            }
-        },
-        else => unreachable,
-    }
-}

src/shared/entity.zig

@@ -1,43 +1,103 @@
 const std         = @import("std");
 const zm          = @import("zmath");
-const protocol = @import("protocol.zig");
+const misc        = @import("misc.zig");
 
 pub const id = u64;
 pub const INVALID_ID: id = 0;
 
 pub const EntityKinds = .{
-    Elf,
+    Soldier,
-    Monster,
+    Alien,
-    Projectile,
 };
 
-pub const Elf = struct {
+const Entity = struct {
+    
+};
+
+pub const Soldier = struct {
     id: id = INVALID_ID,
-    pos: zm.Vec,
+    hp: i32 = 0,
-    hp: i32,
+    pos: zm.Vec = .{0, 0, 0, 0},
+    vel: zm.Vec = .{0, 0, 0, 0},
 
-    pub fn update(self: *Elf) void {
+    pub fn update(self: *@This(), dt: f32) void {
-        self.pos += zm.f32x4(1, 1, 0, 0);
+        self.pos = self.pos + self.vel * zm.splat(zm.Vec, dt);
-    }
-
-    pub fn to_message(self: *Elf) protocol.Elf_v1 {
-        return protocol.Elf_v1.init(self);
     }
 };
 
-pub const Monster = struct {
+pub const Alien = struct {
     id: id = INVALID_ID,
-    pos: zm.Vec,
+    hp: i32 = 0,
-    hp: i32,
+    pos: zm.Vec = .{0, 0, 0, 0},
-};
+    vel: zm.Vec = .{0, 0, 0, 0},
 
-pub const Projectile = struct {
+    pub fn update(self: *@This(), dt: f32) void {
-    id: id = INVALID_ID,
+        self.pos = self.pos + self.vel * zm.splat(zm.Vec, dt);
-    pos: zm.Vec,
-    vel: zm.Vec,
-
-    pub fn update(self: *Projectile) void {
-        self.pos = self.pos + self.vel;
-        std.log.info("pos=({})", .{self.pos});
     }
 };
+
+fn _Ref() type {
+    const FieldCount = EntityKinds.len;
+
+    var tag_fields: [FieldCount]std.builtin.Type.EnumField = undefined;
+
+    inline for (EntityKinds, 0..) |T, i| {
+        tag_fields[i] = .{
+            .name = misc.short_type_name(T),
+            .value = i,
+        };
+    }
+
+    const Tag = @Type(.{
+        .@"enum" = .{
+            .tag_type = u8,
+            .fields = &tag_fields,
+            .decls = &.{},
+            .is_exhaustive = true,
+        },
+    });
+
+    var fields: [FieldCount]std.builtin.Type.UnionField = undefined;
+
+    inline for (EntityKinds, 0..) |T, i| {
+        fields[i] = .{
+            .name = misc.short_type_name(T),
+            .type = *T,
+            .alignment = @alignOf(*T),
+        };
+    }
+
+    return @Type(.{
+        .@"union" = .{
+            .layout = .auto,
+            .fields = &fields,
+            .decls = &.{},
+            .tag_type = Tag,
+        },
+    });
+}
+
+pub const Ref = _Ref();
+
+pub fn setPos(self: Ref, pos: zm.Vec) void {
+    switch (self) {
+        .Soldier => |s| { s.pos = pos; },
+        .Alien => |a| { a.pos = pos; },
+        else => unreachable
+    }
+}
+
+pub fn makeRef(comptime T: type, ptr: *T) Ref {
+    inline for (EntityKinds) |U| {
+        if (T == U) {
+            return @unionInit(
+                Ref,
+                misc.short_type_name(U),
+                ptr,
+            );
+        }
+    }
+
+    @compileError("Type not in EntityKinds: " ++ @typeName(T));
+}
+

src/shared/protocol.zig

@@ -1,146 +0,0 @@
-const std = @import("std");
-const zm = @import("zmath");
-const bufzilla = @import("bufzilla");
-
-const entity = @import("entity.zig");
-
-pub const SERVER_PORT: u16 = 1337;
-
-pub const Message = union(enum) {
-    spawn_entity: SpawnEntity,
-    // later: despawn_entity, update_entity, snapshot, etc.
-};
-
-pub const SpawnEntity = union(enum) {
-    elf_v1: Elf_v1,
-    monster_v1: Monster_v1,
-    projectile_v1: Projectile_v1,
-};
-
-pub fn makeSpawnMessage(comptime T: type, e: T) Message {
-    if (T == entity.Elf) {
-        return .{ .spawn_entity = .{ .elf_v1 = Elf_v1.init(e) } };
-    } else if (T == entity.Monster) {
-        return .{ .spawn_entity = .{ .monster_v1 = Monster_v1.init(e) } };
-    } else if (T == entity.Projectile) {
-        return .{ .spawn_entity = .{ .projectile_v1 = Projectile_v1.init(e) } };
-    }
-}
-
-// pub fn write_message(writer: *std.Io.Writer, msg_type: MessageType, payload: []const u8) !void {
-//     try writer.writeByte(@intFromEnum(msg_type));
-//     try writer.writeInt(u32, @intCast(payload.len), .little);
-//     try writer.writeAll(payload);
-// }
-
-// pub fn read_message(reader: *std.Io.Reader, allocator: std.mem.Allocator) !struct {
-//     msg_type: MessageType,
-//     payload: []u8,
-// } {
-//     const msg_type = try reader.readByte();
-//     const size = try reader.readInt(u32, .little);
-
-//     const payload = try allocator.alloc(u8, size);
-//     errdefer allocator.free(payload);
-
-//     try reader.readNoEof(payload);
-
-//     return .{
-//         .msg_type = @enumFromInt(msg_type),
-//         .payload = payload,
-//     };
-// }
-
-pub const Elf_v1 = struct {
-    id: entity.id = entity.INVALID_ID,
-    pos: zm.Vec,
-    hp: i32,
-
-    pub fn init(elf: entity.Elf) Elf_v1 {
-        return .{
-            .id = elf.id,
-            .pos = elf.pos,
-            .hp = elf.hp,
-        };
-    }
-
-    pub fn decode(r: *bufzilla.Reader) !Elf_v1 {
-        _ = r;
-        return .{
-            // .id = try r.readInt(u64, .little),
-            // .pos = try readVec4(r),
-            // .vel = try readVec4(r),
-        };
-    }
-};
-
-pub const Monster_v1 = struct {
-    id: entity.id = entity.INVALID_ID,
-    pos: zm.Vec,
-    hp: i32,
-
-    pub fn init(monster: entity.Monster) Monster_v1 {
-        return .{
-            .id = monster.id,
-            .pos = monster.pos,
-            .hp = monster.hp,
-        };
-    }
-
-    // pub fn encode(self: Monster_v1, w: *std.Io.Writer) !void {
-    //     try w.writeInt(u64, self.id, .little);
-    //     try writeVec4(w, self.pos);
-    //     try writeVec4(w, self.vel);
-    // }
-
-    pub fn decode(r: *std.Io.Reader) !Monster_v1 {
-        return .{
-            .id = try r.readInt(u64, .little),
-            .pos = try readVec4(r),
-            .vel = try readVec4(r),
-        };
-    }
-};
-
-pub const Projectile_v1 = struct {
-    id: entity.id = entity.INVALID_ID,
-    pos: zm.Vec,
-    vel: zm.Vec,
-
-    pub fn init(projectile: entity.Projectile) Projectile_v1 {
-        return .{
-            .id = projectile.id,
-            .pos = projectile.pos,
-            .vel = projectile.vel,
-        };
-    }
-
-    // pub fn encode(self: Projectile_v1, w: *std.Io.Writer) !void {
-    //     try w.writeInt(u64, self.id, .little);
-    //     try writeVec4(w, self.pos);
-    //     try writeVec4(w, self.vel);
-    // }
-
-    pub fn decode(r: *std.Io.Reader) !Projectile_v1 {
-        return .{
-            .id = try r.readInt(u64, .little),
-            .pos = try readVec4(r),
-            .vel = try readVec4(r),
-        };
-    }
-};
-
-fn writeVec4(w: *std.Io.Writer, v: zm.Vec) !void {
-    const a = zm.vecToArr4(v);
-    inline for (a) |f| {
-        try w.writeFloat(f32, f, .little);
-    }
-}
-
-fn readVec4(r: *std.Io.Reader) !zm.Vec4 {
-    var a: [4]f32 = undefined;
-    inline for (&a) |*f| {
-        f.* = try r.readFloat(f32, .little);
-    }
-    return zm.loadArr4(a);
-}

src/shared/protocol_v1.zig

@@ -0,0 +1,109 @@
+const std    = @import("std");
+const zm     = @import("zmath");
+// const bufzilla = @import("bufzilla");
+
+const entity = @import("entity.zig");
+const bits   = @import("bits.zig");
+
+pub const SERVER_PORT: u16 = 1337;
+
+const MessageKind = enum(c_char) {
+    spawn_entity,
+    update_entity,
+    despawn_entity,
+};
+
+pub const Message = union(MessageKind) {
+    spawn_entity: EntityPayload,
+    update_entity: EntityPayload,
+    despawn_entity: EntityPayload,
+};
+
+
+pub fn makeMessage(kind: MessageKind, e: anytype) Message {
+    const payload = payloadFromEntity(e);
+
+    return switch (kind) {
+        .spawn_entity   => .{ .spawn_entity   = payload },
+        .update_entity  => .{ .update_entity  = payload },
+        .despawn_entity => .{ .despawn_entity = payload },
+    };
+}
+
+pub fn payloadFromEntity(e: entity.Ref) EntityPayload {
+    return switch (e) {
+        .Soldier => |s| .{ .soldier = Soldier.init(s.*) },
+        .Alien   => |a| .{ .alien   = Alien.init(a.*) },
+    };
+}
+
+const EntityKind = enum(c_char) {
+    soldier,
+    alien,
+};
+
+pub const EntityPayload = union(EntityKind) {
+    soldier: Soldier,
+    alien: Alien,
+};
+
+pub const Soldier = struct {
+    id: entity.id = entity.INVALID_ID,
+    hp: i32,
+    pos: zm.Vec,
+    vel: zm.Vec,
+
+    pub fn init(soldier: entity.Soldier) Soldier {
+        return .{
+            .id = soldier.id,
+            .hp = soldier.hp,
+            .pos = soldier.pos,
+            .vel = soldier.vel,
+        };
+    }
+};
+
+pub const Alien = struct {
+    id: entity.id = entity.INVALID_ID,
+    hp: i32,
+    pos: zm.Vec,
+
+    pub fn init(alien: entity.Alien) Alien {
+        return .{
+            .id = alien.id,
+            .pos = alien.pos,
+            .hp = alien.hp,
+        };
+    }
+};
+
+test "Protocol" {
+    std.debug.print("Protocol\n", .{});
+
+    const s = entity.Soldier{
+        .hp = 66,
+        .pos = .{1, 2, 3, 4},
+        .vel = .{5, 6, 7, 8},
+    };
+
+    const msg = makeMessage(.spawn_entity, s);
+
+    const allocator = std.testing.allocator;
+
+    var aw = try std.ArrayList(u8).initCapacity(allocator, 128);
+    defer aw.deinit(allocator);
+
+    var writer = bits.BitWriter.init(&aw);
+
+    try writer.serialize(allocator, msg);
+
+    var reader = bits.BitReader.init(writer.written());
+
+    const recv = try reader.deserialize(allocator, Message);
+
+    std.debug.print("msg: {}\n", .{msg});
+
+    std.debug.print("recv: {}\n", .{recv});
+
+    try std.testing.expectEqual(msg, recv);
+}

src/shared/shared.zig

@@ -1,4 +1,10 @@
 pub const entity      = @import("entity.zig");
 pub const chunk       = @import("chunk.zig");
 pub const misc        = @import("misc.zig");
-pub const protocol = @import("protocol.zig");
+pub const protocol_v1 = @import("protocol_v1.zig");
+pub const bits        = @import("bits.zig");
+
+test {
+    const std = @import("std");
+    std.testing.refAllDecls(@This());
+}

vendor/enet/build.zig

@@ -0,0 +1,74 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) !void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    const enet_src = b.dependency("enet_src", .{});
+
+    const lib = b.addLibrary(.{
+        .name = "enet",
+        .linkage = .static,
+        .root_module = b.createModule(.{
+            .target = target,
+            .optimize = optimize,
+        }),
+    });
+
+    var flags = try std.ArrayList([]const u8).initCapacity(b.allocator, 0);
+
+    switch (target.result.os.tag) {
+        .linux, .macos => {
+            try flags.append(b.allocator, "-DHAS_FCNTL=1");
+            try flags.append(b.allocator, "-DHAS_POLL=1");
+            try flags.append(b.allocator, "-DHAS_GETADDRINFO=1");
+            try flags.append(b.allocator, "-DHAS_GETNAMEINFO=1");
+            try flags.append(b.allocator, "-DHAS_INET_PTON=1");
+            try flags.append(b.allocator, "-DHAS_INET_NTOP=1");
+            try flags.append(b.allocator, "-DHAS_MSGHDR_FLAGS=1");
+        },
+        else => {},
+    }
+
+    try flags.append(b.allocator, "-DHAS_OFFSETOF=1");
+    try flags.append(b.allocator, "-DHAS_SOCKLEN_T=1");
+
+    lib.root_module.addCSourceFiles(.{
+        .root = enet_src.path(""),
+        .files = &[_][]const u8{
+            "callbacks.c",
+            "compress.c",
+            "host.c",
+            "list.c",
+            "packet.c",
+            "peer.c",
+            "protocol.c",
+            "unix.c",
+            "win32.c",
+        },
+        .flags = &[_][]const u8{
+            "-DHAS_OFFSETOF=1",
+            "-DHAS_SOCKLEN_T=1",
+            "-DHAS_FCNTL=1",
+            "-DHAS_POLL=1",
+            "-DHAS_GETADDRINFO=1",
+            "-DHAS_GETNAMEINFO=1",
+            "-DHAS_INET_PTON=1",
+            "-DHAS_INET_NTOP=1",
+            "-DHAS_MSGHDR_FLAGS=1",
+        }
+    });
+
+
+    if (target.result.os.tag == .windows) {
+        lib.root_module.linkSystemLibrary("ws2_32", .{});
+        lib.root_module.linkSystemLibrary("winmm", .{});
+    }
+
+    lib.root_module.addIncludePath(enet_src.path("include"));
+    lib.root_module.link_libc = true;
+
+    lib.installHeadersDirectory(enet_src.path("include/enet"), "enet", .{});
+
+    b.installArtifact(lib);
+}

vendor/enet/build.zig.zon

@@ -0,0 +1,19 @@
+.{
+    .name = .enet,
+    .fingerprint = 0x201714c0933cd1fc,
+    .version = "0.1.0",
+    .minimum_zig_version = "0.15.2",
+    .paths = .{
+        "build.zig",
+        "build.zig.zon",
+        "libs",
+        "src",
+        "README.md",
+    },
+    .dependencies = .{
+        .enet_src = .{
+            .url = "https://github.com/lsalzman/enet/archive/refs/heads/master.tar.gz",
+            .hash = "N-V-__8AAOfEBQDV0QE6f1lRiGiqZa9k3-ZkthJHdwGIp3Zh",
+        },
+    },
+}

vendor/freetype/build.zig

@@ -0,0 +1,145 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    // const use_system_zlib = b.option(bool, "use_system_zlib", "Use system zlib") orelse false;
+    // const enable_brotli = b.option(bool, "enable_brotli", "Build Brotli") orelse true;
+
+    const freetype_src = b.dependency("freetype_src", .{ .target = target, .optimize = optimize });
+
+    const lib = b.addLibrary(.{
+        .name = "freetype",
+        .linkage = .static,
+        .root_module = b.createModule(.{
+            .target = target,
+            .optimize = optimize,
+        }),
+    });
+
+    lib.root_module.link_libc = true;
+    lib.addIncludePath(b.path("include"));
+    lib.root_module.addCMacro("FT2_BUILD_LIBRARY", "1");
+
+    // if (use_system_zlib) {
+    //     lib.root_module.addCMacro("FT_CONFIG_OPTION_SYSTEM_ZLIB", "1");
+    // }
+
+    // if (enable_brotli) {
+    //     lib.root_module.addCMacro("FT_CONFIG_OPTION_USE_BROTLI", "1");
+    //     if (b.lazyDependency("brotli", .{
+    //         .target = target,
+    //         .optimize = optimize,
+    //     })) |dep| lib.linkLibrary(dep.artifact("brotli"));
+    // }
+
+    lib.root_module.addCMacro("HAVE_UNISTD_H", "1");
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/autofit/autofit.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftbase.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftsystem.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftdebug.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftbbox.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftbdf.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftbitmap.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftcid.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftfstype.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftgasp.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftglyph.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftgxval.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftinit.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftmm.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftotval.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftpatent.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftpfr.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftstroke.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftsynth.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/fttype1.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/base/ftwinfnt.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/bdf/bdf.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/bzip2/ftbzip2.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/cache/ftcache.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/cff/cff.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/cid/type1cid.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/gzip/ftgzip.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/lzw/ftlzw.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/pcf/pcf.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/pfr/pfr.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/psaux/psaux.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/pshinter/pshinter.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/psnames/psnames.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/raster/raster.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/sdf/sdf.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/sfnt/sfnt.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/smooth/smooth.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/svg/svg.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/truetype/truetype.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/type1/type1.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/type42/type42.c") });
+    lib.root_module.addCSourceFile(.{ .file = freetype_src.path("src/winfonts/winfnt.c") });
+    
+    lib.root_module.addIncludePath(freetype_src.path("include"));
+    
+    // lib.addCSourceFiles(.{ .files = &sources, .flags = &.{} });
+    if (target.result.os.tag == .macos)
+        lib.addCSourceFile(.{
+            .file = freetype_src.path("src/base/ftmac.c"),
+            .flags = &.{},
+        });
+    lib.installHeadersDirectory(freetype_src.path("include/freetype"), "freetype", .{});
+    lib.installHeader(freetype_src.path("include/ft2build.h"), "ft2build.h");
+    b.installArtifact(lib);
+
+    const freetype = b.addModule("freetype", .{
+        .root_source_file = b.path("src/freetype.zig"),
+        .imports = &.{
+        },
+    });
+
+    freetype.linkLibrary(lib);
+}
+
+// const sources = [_][]const u8{
+//     "src/autofit/autofit.c",
+//     "src/base/ftbase.c",
+//     "src/base/ftsystem.c",
+//     "src/base/ftdebug.c",
+//     "src/base/ftbbox.c",
+//     "src/base/ftbdf.c",
+//     "src/base/ftbitmap.c",
+//     "src/base/ftcid.c",
+//     "src/base/ftfstype.c",
+//     "src/base/ftgasp.c",
+//     "src/base/ftglyph.c",
+//     "src/base/ftgxval.c",
+//     "src/base/ftinit.c",
+//     "src/base/ftmm.c",
+//     "src/base/ftotval.c",
+//     "src/base/ftpatent.c",
+//     "src/base/ftpfr.c",
+//     "src/base/ftstroke.c",
+//     "src/base/ftsynth.c",
+//     "src/base/fttype1.c",
+//     "src/base/ftwinfnt.c",
+//     "src/bdf/bdf.c",
+//     "src/bzip2/ftbzip2.c",
+//     "src/cache/ftcache.c",
+//     "src/cff/cff.c",
+//     "src/cid/type1cid.c",
+//     "src/gzip/ftgzip.c",
+//     "src/lzw/ftlzw.c",
+//     "src/pcf/pcf.c",
+//     "src/pfr/pfr.c",
+//     "src/psaux/psaux.c",
+//     "src/pshinter/pshinter.c",
+//     "src/psnames/psnames.c",
+//     "src/raster/raster.c",
+//     "src/sdf/sdf.c",
+//     "src/sfnt/sfnt.c",
+//     "src/smooth/smooth.c",
+//     "src/svg/svg.c",
+//     "src/truetype/truetype.c",
+//     "src/type1/type1.c",
+//     "src/type42/type42.c",
+//     "src/winfonts/winfnt.c",
+// };

vendor/freetype/build.zig.zon

@@ -0,0 +1,19 @@
+.{
+    .name = .freetype,
+    .fingerprint = 0xac2059b69e282536,
+    .version = "0.1.0",
+    .minimum_zig_version = "0.15.2",
+    .paths = .{
+        "build.zig",
+        "build.zig.zon",
+        "libs",
+        "src",
+        "README.md",
+    },
+    .dependencies = .{
+        .freetype_src = .{
+            .url = "https://github.com/freetype/freetype/archive/refs/heads/master.tar.gz",
+            .hash = "N-V-__8AAGJyqgCBGp-ibrZFNycPitwyNbU5U83UzSNGyJnT",
+        },
+    },
+}

vendor/tracy/build.zig

@@ -0,0 +1,121 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    const options = .{
+        .enable_tracy = b.option(
+            bool,
+            "enable_tracy",
+            "Enable Tracy profile markers",
+        ) orelse false,
+        .enable_fibers = b.option(
+            bool,
+            "enable_fibers",
+            "Enable Tracy fiber support",
+        ) orelse false,
+        .on_demand = b.option(
+            bool,
+            "on_demand",
+            "Build tracy with TRACY_ON_DEMAND",
+        ) orelse false,
+        .callstack = b.option(
+            u32,
+            "callstack",
+            "If > 0, Builds tracy with TRACY_USE_CALLSTACK and sets TRACY_CALLSTACK to the depth provided.",
+        ) orelse 0,
+        .shared = b.option(
+            bool,
+            "shared",
+            "Build as shared library",
+        ) orelse false,
+    };
+
+    const options_step = b.addOptions();
+    inline for (std.meta.fields(@TypeOf(options))) |field| {
+        options_step.addOption(field.type, field.name, @field(options, field.name));
+    }
+
+    const options_module = options_step.createModule();
+
+    const tracy_src = b.dependency("tracy_src", .{ .target = target, .optimize = optimize });
+
+    const translate_c = b.addTranslateC(.{
+        .root_source_file = tracy_src.path("public/tracy/TracyC.h"),
+        .target = target,
+        .optimize = optimize,
+        .link_libc = true,
+    });
+    translate_c.addIncludePath(tracy_src.path("public/tracy"));
+    translate_c.defineCMacro("TRACY_ENABLE", "");
+    translate_c.defineCMacro("TRACY_IMPORTS", "");
+    if (options.callstack > 0) {
+        translate_c.defineCMacro("TRACY_USE_CALLSTACK", "");
+        var callstack_buffer: [64]u8 = undefined;
+        const callstack_str_len = std.fmt.printInt(&callstack_buffer, @as(u32, options.callstack), 10, .lower, .{});
+        translate_c.defineCMacro("TRACY_CALLSTACK", callstack_buffer[0..callstack_str_len]);
+    }
+
+    const tracy_lib = b.addLibrary(.{
+        .name = "tracy",
+        .linkage = if (options.shared) .dynamic else .static,
+        .root_module = b.createModule(.{
+            .target = target,
+            .optimize = optimize,
+        }),
+    });
+
+    if (options.shared) tracy_lib.root_module.addCMacro("TRACY_EXPORTS", "");
+
+    if (target.result.os.tag == .windows) tracy_lib.root_module.addCMacro("_WIN32_WINNT", "0x0601");
+
+    if (options.enable_tracy) tracy_lib.root_module.addCMacro("TRACY_ENABLE", "");
+    if (options.enable_fibers) tracy_lib.root_module.addCMacro("TRACY_FIBERS", "");
+    if (options.on_demand) tracy_lib.root_module.addCMacro("TRACY_ON_DEMAND", "");
+
+    tracy_lib.root_module.addIncludePath(tracy_src.path("public"));
+    tracy_lib.root_module.addIncludePath(tracy_src.path("public/tracy"));
+    tracy_lib.root_module.addIncludePath(tracy_src.path("public/common"));
+    tracy_lib.root_module.addIncludePath(tracy_src.path("public/client"));
+    tracy_lib.root_module.addCSourceFile(.{
+        .file = tracy_src.path("public/TracyClient.cpp"),
+        .flags = &.{
+            "-fno-sanitize=undefined",
+        },
+    });
+
+    tracy_lib.root_module.link_libc = true;
+    if (target.result.abi != .msvc) {
+        tracy_lib.root_module.link_libcpp = true;
+    } else {
+        tracy_lib.root_module.addCMacro("fileno", "_fileno");
+    }
+
+    // switch (target.result.os.tag) {
+    //     .windows => {
+    //         tracy_lib.root_module.linkSystemLibrary("ws2_32", .{});
+    //         tracy_lib.root_module.linkSystemLibrary("dbghelp", .{});
+    //         tracy_lib.root_module.linkSystemLibrary("secur32", .{}); // Provides GetUserNameExA
+    //         tracy_lib.root_module.linkSystemLibrary("user32", .{});  // Often needed for other system calls
+    //         tracy_lib.root_module.linkSystemLibrary("advapi32", .{});
+    //     },
+    //     // .macos => {
+    //     //     if (b.lazyDependency("system_sdk", .{})) |system_sdk| {
+    //     //         tracy_lib.root_module.addFrameworkPath(system_sdk.path("System/Library/Frameworks"));
+    //     //     }
+    //     // },
+    //     else => {},
+    // }
+
+    b.installArtifact(tracy_lib);
+
+    const tracy = b.addModule("tracy", .{
+        .root_source_file = b.path("src/tracy.zig"),
+        .imports = &.{
+            .{ .name = "tracy_options", .module = options_module },
+        },
+    });
+    tracy.addImport("c", translate_c.createModule());
+    tracy.linkLibrary(tracy_lib);
+}

vendor/tracy/build.zig.zon

@@ -0,0 +1,19 @@
+.{
+    .name = .tracy,
+    .fingerprint = 0x255a89ee2e5fcfa8,
+    .version = "0.1.0",
+    .minimum_zig_version = "0.15.2",
+    .paths = .{
+        "build.zig",
+        "build.zig.zon",
+        "libs",
+        "src",
+        "README.md",
+    },
+    .dependencies = .{
+        .tracy_src = .{
+            .url = "https://github.com/wolfpld/tracy/archive/8f0c83dbf90faa982624e005ce76ff0fd5c77153.zip",
+            .hash = "N-V-__8AAAF7OgG5ck73SkEmLbQPExC4jddnsDCAMtBAIBXy",
+        },
+    },
+}

vendor/tracy/src/impl.zig

@@ -0,0 +1,395 @@
+const std = @import("std");
+const Src = std.builtin.SourceLocation;
+
+const c = @import("c");
+const has_callstack_support = @hasDecl(c, "TRACY_HAS_CALLSTACK") and @hasDecl(c, "TRACY_CALLSTACK");
+const callstack_depth: c_int = if (has_callstack_support) c.TRACY_CALLSTACK else 0;
+
+const debug_verify_stack_order = false;
+threadlocal var stack_depth: if (debug_verify_stack_order) usize else u0 = 0;
+
+pub const ZoneCtx = struct {
+    _zone: c.___tracy_c_zone_context,
+    _token: if (debug_verify_stack_order) usize else void,
+
+    pub inline fn Text(self: ZoneCtx, text: []const u8) void {
+        if (debug_verify_stack_order) {
+            if (stack_depth != self._token) {
+                std.debug.panic(
+                    "Error: expected Value() at stack depth {} but was {}\n",
+                    .{ self._token, stack_depth },
+                );
+            }
+        }
+        c.___tracy_emit_zone_text(self._zone, text.ptr, text.len);
+    }
+    pub inline fn Name(self: ZoneCtx, name: []const u8) void {
+        if (debug_verify_stack_order) {
+            if (stack_depth != self._token) {
+                std.debug.panic(
+                    "Error: expected Value() at stack depth {} but was {}\n",
+                    .{ self._token, stack_depth },
+                );
+            }
+        }
+        c.___tracy_emit_zone_name(self._zone, name.ptr, name.len);
+    }
+    pub inline fn Value(self: ZoneCtx, val: u64) void {
+        if (debug_verify_stack_order) {
+            if (stack_depth != self._token) {
+                std.debug.panic(
+                    "Error: expected Value() at stack depth {} but was {}\n",
+                    .{ self._token, stack_depth },
+                );
+            }
+        }
+        c.___tracy_emit_zone_value(self._zone, val);
+    }
+    pub inline fn End(self: ZoneCtx) void {
+        if (debug_verify_stack_order) {
+            if (stack_depth != self._token) {
+                std.debug.panic(
+                    "Error: expected End() at stack depth {} but was {}\n",
+                    .{ self._token, stack_depth },
+                );
+            }
+            stack_depth -= 1;
+        }
+        c.___tracy_emit_zone_end(self._zone);
+    }
+};
+
+inline fn initZone(comptime src: Src, name: ?[*:0]const u8, color: u32, depth: c_int) ZoneCtx {
+    // Tracy uses pointer identity to identify contexts.
+    // The `src` parameter being comptime ensures that
+    // each zone gets its own unique global location for this
+    // struct.
+    const static = struct {
+        var loc: c.___tracy_source_location_data = undefined;
+
+        // Ensure that a unique struct type is generated for each unique `src`. See
+        // https://github.com/ziglang/zig/issues/18816
+        comptime {
+            // https://github.com/ziglang/zig/issues/19274
+            _ = @sizeOf(@TypeOf(src));
+        }
+    };
+    static.loc = .{
+        .name = name,
+        .function = src.fn_name.ptr,
+        .file = src.file.ptr,
+        .line = src.line,
+        .color = color,
+    };
+
+    const zone = if (has_callstack_support)
+        c.___tracy_emit_zone_begin_callstack(&static.loc, depth, 1)
+    else
+        c.___tracy_emit_zone_begin(&static.loc, 1);
+
+    if (debug_verify_stack_order) {
+        stack_depth += 1;
+        return ZoneCtx{ ._zone = zone, ._token = stack_depth };
+    } else {
+        return ZoneCtx{ ._zone = zone, ._token = {} };
+    }
+}
+
+pub inline fn SetThreadName(name: [*:0]const u8) void {
+    c.___tracy_set_thread_name(name);
+}
+
+pub inline fn Zone(comptime src: Src) ZoneCtx {
+    return initZone(src, null, 0, callstack_depth);
+}
+pub inline fn ZoneN(comptime src: Src, name: [*:0]const u8) ZoneCtx {
+    return initZone(src, name, 0, callstack_depth);
+}
+pub inline fn ZoneC(comptime src: Src, color: u32) ZoneCtx {
+    return initZone(src, null, color, callstack_depth);
+}
+pub inline fn ZoneNC(comptime src: Src, name: [*:0]const u8, color: u32) ZoneCtx {
+    return initZone(src, name, color, callstack_depth);
+}
+pub inline fn ZoneS(comptime src: Src, depth: i32) ZoneCtx {
+    return initZone(src, null, 0, depth);
+}
+pub inline fn ZoneNS(comptime src: Src, name: [*:0]const u8, depth: i32) ZoneCtx {
+    return initZone(src, name, 0, depth);
+}
+pub inline fn ZoneCS(comptime src: Src, color: u32, depth: i32) ZoneCtx {
+    return initZone(src, null, color, depth);
+}
+pub inline fn ZoneNCS(comptime src: Src, name: [*:0]const u8, color: u32, depth: i32) ZoneCtx {
+    return initZone(src, name, color, depth);
+}
+
+pub inline fn Alloc(ptr: ?*const anyopaque, size: usize) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_alloc_callstack(ptr, size, callstack_depth, 0);
+    } else {
+        c.___tracy_emit_memory_alloc(ptr, size, 0);
+    }
+}
+pub inline fn Free(ptr: ?*const anyopaque) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_free_callstack(ptr, callstack_depth, 0);
+    } else {
+        c.___tracy_emit_memory_free(ptr, 0);
+    }
+}
+pub inline fn SecureAlloc(ptr: ?*const anyopaque, size: usize) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_alloc_callstack(ptr, size, callstack_depth, 1);
+    } else {
+        c.___tracy_emit_memory_alloc(ptr, size, 1);
+    }
+}
+pub inline fn SecureFree(ptr: ?*const anyopaque) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_free_callstack(ptr, callstack_depth, 1);
+    } else {
+        c.___tracy_emit_memory_free(ptr, 1);
+    }
+}
+pub inline fn AllocS(ptr: ?*const anyopaque, size: usize, depth: c_int) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_alloc_callstack(ptr, size, depth, 0);
+    } else {
+        c.___tracy_emit_memory_alloc(ptr, size, 0);
+    }
+}
+pub inline fn FreeS(ptr: ?*const anyopaque, depth: c_int) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_free_callstack(ptr, depth, 0);
+    } else {
+        c.___tracy_emit_memory_free(ptr, 0);
+    }
+}
+pub inline fn SecureAllocS(ptr: ?*const anyopaque, size: usize, depth: c_int) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_alloc_callstack(ptr, size, depth, 1);
+    } else {
+        c.___tracy_emit_memory_alloc(ptr, size, 1);
+    }
+}
+pub inline fn SecureFreeS(ptr: ?*const anyopaque, depth: c_int) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_free_callstack(ptr, depth, 1);
+    } else {
+        c.___tracy_emit_memory_free(ptr, 1);
+    }
+}
+
+pub inline fn AllocN(ptr: ?*const anyopaque, size: usize, name: [*:0]const u8) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_alloc_callstack_named(ptr, size, callstack_depth, 0, name);
+    } else {
+        c.___tracy_emit_memory_alloc_named(ptr, size, 0, name);
+    }
+}
+pub inline fn FreeN(ptr: ?*const anyopaque, name: [*:0]const u8) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_free_callstack_named(ptr, callstack_depth, 0, name);
+    } else {
+        c.___tracy_emit_memory_free_named(ptr, 0, name);
+    }
+}
+pub inline fn SecureAllocN(ptr: ?*const anyopaque, size: usize, name: [*:0]const u8) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_alloc_callstack_named(ptr, size, callstack_depth, 1, name);
+    } else {
+        c.___tracy_emit_memory_alloc_named(ptr, size, 1, name);
+    }
+}
+pub inline fn SecureFreeN(ptr: ?*const anyopaque, name: [*:0]const u8) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_free_callstack_named(ptr, callstack_depth, 1, name);
+    } else {
+        c.___tracy_emit_memory_free_named(ptr, 1, name);
+    }
+}
+pub inline fn AllocNS(ptr: ?*const anyopaque, size: usize, depth: c_int, name: [*:0]const u8) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_alloc_callstack_named(ptr, size, depth, 0, name);
+    } else {
+        c.___tracy_emit_memory_alloc_named(ptr, size, 0, name);
+    }
+}
+pub inline fn FreeNS(ptr: ?*const anyopaque, depth: c_int, name: [*:0]const u8) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_free_callstack_named(ptr, depth, 0, name);
+    } else {
+        c.___tracy_emit_memory_free_named(ptr, 0, name);
+    }
+}
+pub inline fn SecureAllocNS(ptr: ?*const anyopaque, size: usize, depth: c_int, name: [*:0]const u8) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_alloc_callstack_named(ptr, size, depth, 1, name);
+    } else {
+        c.___tracy_emit_memory_alloc_named(ptr, size, 1, name);
+    }
+}
+pub inline fn SecureFreeNS(ptr: ?*const anyopaque, depth: c_int, name: [*:0]const u8) void {
+    if (has_callstack_support) {
+        c.___tracy_emit_memory_free_callstack_named(ptr, depth, 1, name);
+    } else {
+        c.___tracy_emit_memory_free_named(ptr, 1, name);
+    }
+}
+
+pub inline fn Message(text: []const u8) void {
+    c.___tracy_emit_message(text.ptr, text.len, callstack_depth);
+}
+pub inline fn MessageL(text: [*:0]const u8, color: u32) void {
+    c.___tracy_emit_messageL(text, color, callstack_depth);
+}
+pub inline fn MessageC(text: []const u8, color: u32) void {
+    c.___tracy_emit_messageC(text.ptr, text.len, color, callstack_depth);
+}
+pub inline fn MessageLC(text: [*:0]const u8, color: u32) void {
+    c.___tracy_emit_messageLC(text, color, callstack_depth);
+}
+pub inline fn MessageS(text: []const u8, depth: c_int) void {
+    const inner_depth: c_int = if (has_callstack_support) depth else 0;
+    c.___tracy_emit_message(text.ptr, text.len, inner_depth);
+}
+pub inline fn MessageLS(text: [*:0]const u8, depth: c_int) void {
+    const inner_depth: c_int = if (has_callstack_support) depth else 0;
+    c.___tracy_emit_messageL(text, inner_depth);
+}
+pub inline fn MessageCS(text: []const u8, color: u32, depth: c_int) void {
+    const inner_depth: c_int = if (has_callstack_support) depth else 0;
+    c.___tracy_emit_messageC(text.ptr, text.len, color, inner_depth);
+}
+pub inline fn MessageLCS(text: [*:0]const u8, color: u32, depth: c_int) void {
+    const inner_depth: c_int = if (has_callstack_support) depth else 0;
+    c.___tracy_emit_messageLC(text, color, inner_depth);
+}
+
+pub inline fn FrameMark() void {
+    c.___tracy_emit_frame_mark(null);
+}
+pub inline fn FrameMarkNamed(name: [*:0]const u8) void {
+    c.___tracy_emit_frame_mark(name);
+}
+pub inline fn FrameMarkStart(name: [*:0]const u8) void {
+    c.___tracy_emit_frame_mark_start(name);
+}
+pub inline fn FrameMarkEnd(name: [*:0]const u8) void {
+    c.___tracy_emit_frame_mark_end(name);
+}
+pub inline fn FrameImage(image: ?*const anyopaque, width: u16, height: u16, offset: u8, flip: c_int) void {
+    c.___tracy_emit_frame_image(image, width, height, offset, flip);
+}
+
+pub inline fn FiberEnter(name: [*:0]const u8) void {
+    c.___tracy_fiber_enter(name);
+}
+pub inline fn FiberLeave() void {
+    c.___tracy_fiber_leave();
+}
+
+pub inline fn PlotF(name: [*:0]const u8, val: f64) void {
+    c.___tracy_emit_plot(name, val);
+}
+pub inline fn PlotU(name: [*:0]const u8, val: u64) void {
+    c.___tracy_emit_plot(name, @as(f64, @floatFromInt(val)));
+}
+pub inline fn PlotI(name: [*:0]const u8, val: i64) void {
+    c.___tracy_emit_plot(name, @as(f64, @floatFromInt(val)));
+}
+pub inline fn AppInfo(text: []const u8) void {
+    c.___tracy_emit_message_appinfo(text.ptr, text.len);
+}
+
+pub const TracyAllocator = struct {
+    child_allocator: std.mem.Allocator,
+
+    pub fn init(child_allocator: std.mem.Allocator) TracyAllocator {
+        return .{
+            .child_allocator = child_allocator,
+        };
+    }
+
+    pub fn allocator(self: *TracyAllocator) std.mem.Allocator {
+        return .{
+            .ptr = self,
+            .vtable = &.{
+                .alloc = alloc,
+                .resize = resize,
+                .remap = remap,
+                .free = free,
+            },
+        };
+    }
+
+    fn alloc(
+        ctx: *anyopaque,
+        len: usize,
+        alignment: std.mem.Alignment,
+        ra: usize,
+    ) ?[*]u8 {
+        const self: *TracyAllocator = @ptrCast(@alignCast(ctx));
+        const result = self.child_allocator.rawAlloc(len, alignment, ra);
+        if (result) |addr| {
+            Alloc(addr, len);
+        } else {
+            var buffer: [128]u8 = undefined;
+            const msg = std.fmt.bufPrint(&buffer, "alloc failed requesting {d}", .{len}) catch return result;
+            Message(msg);
+        }
+        return result;
+    }
+
+    fn resize(
+        ctx: *anyopaque,
+        buf: []u8,
+        alignment: std.mem.Alignment,
+        new_len: usize,
+        ra: usize,
+    ) bool {
+        const self: *TracyAllocator = @ptrCast(@alignCast(ctx));
+        const result = self.child_allocator.rawResize(buf, alignment, new_len, ra);
+        if (result) {
+            Free(buf.ptr);
+            Alloc(buf.ptr, new_len);
+        } else {
+            var buffer: [128]u8 = undefined;
+            const msg = std.fmt.bufPrint(&buffer, "resize failed requesting {d} -> {d}", .{ buf.len, new_len }) catch return result;
+            Message(msg);
+        }
+        return result;
+    }
+
+    fn remap(
+        ctx: *anyopaque,
+        buf: []u8,
+        alignment: std.mem.Alignment,
+        new_len: usize,
+        ra: usize,
+    ) ?[*]u8 {
+        const self: *TracyAllocator = @ptrCast(@alignCast(ctx));
+        const result = self.child_allocator.rawRemap(buf, alignment, new_len, ra);
+        if (result) |data| {
+            Free(buf.ptr);
+            Alloc(data, new_len);
+        } else {
+            var buffer: [128]u8 = undefined;
+            const msg = std.fmt.bufPrint(&buffer, "remap failed requesting {d} -> {d}", .{ buf.len, new_len }) catch return result;
+            Message(msg);
+        }
+        return result;
+    }
+
+    fn free(
+        ctx: *anyopaque,
+        buf: []u8,
+        alignment: std.mem.Alignment,
+        ra: usize,
+    ) void {
+        const self: *TracyAllocator = @ptrCast(@alignCast(ctx));
+        self.child_allocator.rawFree(buf, alignment, ra);
+        Free(buf.ptr);
+    }
+};

vendor/tracy/src/stub.zig

@@ -0,0 +1,229 @@
+const std = @import("std");
+const Src = std.builtin.SourceLocation;
+
+pub const ZoneCtx = struct {
+    pub inline fn Text(self: ZoneCtx, text: []const u8) void {
+        _ = self;
+        _ = text;
+    }
+    pub inline fn Name(self: ZoneCtx, name: []const u8) void {
+        _ = self;
+        _ = name;
+    }
+    pub inline fn Value(self: ZoneCtx, value: u64) void {
+        _ = self;
+        _ = value;
+    }
+    pub inline fn End(self: ZoneCtx) void {
+        _ = self;
+    }
+};
+
+pub inline fn SetThreadName(name: [*:0]const u8) void {
+    _ = name;
+}
+
+pub inline fn Zone(comptime src: Src) ZoneCtx {
+    _ = src;
+    return .{};
+}
+pub inline fn ZoneN(comptime src: Src, name: [*:0]const u8) ZoneCtx {
+    _ = src;
+    _ = name;
+    return .{};
+}
+pub inline fn ZoneC(comptime src: Src, color: u32) ZoneCtx {
+    _ = src;
+    _ = color;
+    return .{};
+}
+pub inline fn ZoneNC(comptime src: Src, name: [*:0]const u8, color: u32) ZoneCtx {
+    _ = src;
+    _ = name;
+    _ = color;
+    return .{};
+}
+pub inline fn ZoneS(comptime src: Src, depth: i32) ZoneCtx {
+    _ = src;
+    _ = depth;
+    return .{};
+}
+pub inline fn ZoneNS(comptime src: Src, name: [*:0]const u8, depth: i32) ZoneCtx {
+    _ = src;
+    _ = name;
+    _ = depth;
+    return .{};
+}
+pub inline fn ZoneCS(comptime src: Src, color: u32, depth: i32) ZoneCtx {
+    _ = src;
+    _ = color;
+    _ = depth;
+    return .{};
+}
+pub inline fn ZoneNCS(comptime src: Src, name: [*:0]const u8, color: u32, depth: i32) ZoneCtx {
+    _ = src;
+    _ = name;
+    _ = color;
+    _ = depth;
+    return .{};
+}
+
+pub inline fn Alloc(ptr: ?*const anyopaque, size: usize) void {
+    _ = ptr;
+    _ = size;
+}
+pub inline fn Free(ptr: ?*const anyopaque) void {
+    _ = ptr;
+}
+pub inline fn SecureAlloc(ptr: ?*const anyopaque, size: usize) void {
+    _ = ptr;
+    _ = size;
+}
+pub inline fn SecureFree(ptr: ?*const anyopaque) void {
+    _ = ptr;
+}
+pub inline fn AllocS(ptr: ?*const anyopaque, size: usize, depth: c_int) void {
+    _ = ptr;
+    _ = size;
+    _ = depth;
+}
+pub inline fn FreeS(ptr: ?*const anyopaque, depth: c_int) void {
+    _ = ptr;
+    _ = depth;
+}
+pub inline fn SecureAllocS(ptr: ?*const anyopaque, size: usize, depth: c_int) void {
+    _ = ptr;
+    _ = size;
+    _ = depth;
+}
+pub inline fn SecureFreeS(ptr: ?*const anyopaque, depth: c_int) void {
+    _ = ptr;
+    _ = depth;
+}
+
+pub inline fn AllocN(ptr: ?*const anyopaque, size: usize, name: [*:0]const u8) void {
+    _ = ptr;
+    _ = size;
+    _ = name;
+}
+pub inline fn FreeN(ptr: ?*const anyopaque, name: [*:0]const u8) void {
+    _ = ptr;
+    _ = name;
+}
+pub inline fn SecureAllocN(ptr: ?*const anyopaque, size: usize, name: [*:0]const u8) void {
+    _ = ptr;
+    _ = size;
+    _ = name;
+}
+pub inline fn SecureFreeN(ptr: ?*const anyopaque, name: [*:0]const u8) void {
+    _ = ptr;
+    _ = name;
+}
+pub inline fn AllocNS(ptr: ?*const anyopaque, size: usize, depth: c_int, name: [*:0]const u8) void {
+    _ = ptr;
+    _ = size;
+    _ = depth;
+    _ = name;
+}
+pub inline fn FreeNS(ptr: ?*const anyopaque, depth: c_int, name: [*:0]const u8) void {
+    _ = ptr;
+    _ = depth;
+    _ = name;
+}
+pub inline fn SecureAllocNS(ptr: ?*const anyopaque, size: usize, depth: c_int, name: [*:0]const u8) void {
+    _ = ptr;
+    _ = size;
+    _ = depth;
+    _ = name;
+}
+pub inline fn SecureFreeNS(ptr: ?*const anyopaque, depth: c_int, name: [*:0]const u8) void {
+    _ = ptr;
+    _ = depth;
+    _ = name;
+}
+
+pub inline fn Message(text: []const u8) void {
+    _ = text;
+}
+pub inline fn MessageL(text: [*:0]const u8) void {
+    _ = text;
+}
+pub inline fn MessageC(text: []const u8, color: u32) void {
+    _ = text;
+    _ = color;
+}
+pub inline fn MessageLC(text: [*:0]const u8, color: u32) void {
+    _ = text;
+    _ = color;
+}
+pub inline fn MessageS(text: []const u8, depth: c_int) void {
+    _ = text;
+    _ = depth;
+}
+pub inline fn MessageLS(text: [*:0]const u8, depth: c_int) void {
+    _ = text;
+    _ = depth;
+}
+pub inline fn MessageCS(text: []const u8, color: u32, depth: c_int) void {
+    _ = text;
+    _ = color;
+    _ = depth;
+}
+pub inline fn MessageLCS(text: [*:0]const u8, color: u32, depth: c_int) void {
+    _ = text;
+    _ = color;
+    _ = depth;
+}
+
+pub inline fn FrameMark() void {}
+pub inline fn FrameMarkNamed(name: [*:0]const u8) void {
+    _ = name;
+}
+pub inline fn FrameMarkStart(name: [*:0]const u8) void {
+    _ = name;
+}
+pub inline fn FrameMarkEnd(name: [*:0]const u8) void {
+    _ = name;
+}
+pub inline fn FrameImage(image: ?*const anyopaque, width: u16, height: u16, offset: u8, flip: c_int) void {
+    _ = image;
+    _ = width;
+    _ = height;
+    _ = offset;
+    _ = flip;
+}
+
+pub inline fn FiberEnter(name: [*:0]const u8) void {
+    _ = name;
+}
+pub inline fn FiberLeave() void {}
+
+pub inline fn PlotF(name: [*:0]const u8, val: f64) void {
+    _ = name;
+    _ = val;
+}
+pub inline fn PlotU(name: [*:0]const u8, val: u64) void {
+    _ = name;
+    _ = val;
+}
+pub inline fn PlotI(name: [*:0]const u8, val: i64) void {
+    _ = name;
+    _ = val;
+}
+pub inline fn AppInfo(text: []const u8) void {
+    _ = text;
+}
+
+pub const TracyAllocator = struct {
+    child_allocator: std.mem.Allocator,
+
+    pub fn init(child_allocator: std.mem.Allocator) TracyAllocator {
+        return .{
+            .child_allocator = child_allocator,
+        };
+    }
+
+    pub fn allocator(self: *TracyAllocator) std.mem.Allocator {
+        return self.child_allocator;
+    }
+};

vendor/tracy/src/tracy.zig

@@ -0,0 +1,84 @@
+const std = @import("std");
+const builtin = @import("builtin");
+
+// check for a decl named tracy_enabled in root or build_options
+pub const enabled = blk: {
+    var build_enable: ?bool = null;
+
+    if (!builtin.is_test) {
+        // Don't try to include build_options in tests.
+        // Otherwise `zig test` doesn't work.
+        const options = @import("tracy_options");
+        if (@hasDecl(options, "enable_tracy")) {
+            build_enable = options.enable_tracy;
+        }
+    }
+
+    break :blk build_enable orelse false;
+};
+
+const stub = @import("stub.zig");
+const impl = @import("impl.zig");
+
+pub const ZoneCtx = if (enabled) impl.ZoneCtx else stub.ZoneCtx;
+
+pub const SetThreadName = if (enabled) impl.SetThreadName else stub.SetThreadName;
+
+pub const Zone = if (enabled) impl.Zone else stub.Zone;
+pub const ZoneN = if (enabled) impl.ZoneN else stub.ZoneN;
+pub const ZoneC = if (enabled) impl.ZoneC else stub.ZoneC;
+pub const ZoneNC = if (enabled) impl.ZoneNC else stub.ZoneNC;
+pub const ZoneS = if (enabled) impl.ZoneS else stub.ZoneS;
+pub const ZoneNS = if (enabled) impl.ZoneNS else stub.ZoneNS;
+pub const ZoneCS = if (enabled) impl.ZoneCS else stub.ZoneCS;
+pub const ZoneNCS = if (enabled) impl.ZoneNCS else stub.ZoneNCS;
+
+pub const Alloc = if (enabled) impl.Alloc else stub.Alloc;
+pub const Free = if (enabled) impl.Free else stub.Free;
+pub const SecureAlloc = if (enabled) impl.SecureAlloc else stub.SecureAlloc;
+pub const SecureFree = if (enabled) impl.SecureFree else stub.SecureFree;
+
+pub const AllocS = if (enabled) impl.AllocS else stub.AllocS;
+pub const FreeS = if (enabled) impl.FreeS else stub.FreeS;
+pub const SecureAllocS = if (enabled) impl.SecureAllocS else stub.SecureAllocS;
+pub const SecureFreeS = if (enabled) impl.SecureFreeS else stub.SecureFreeS;
+
+pub const AllocN = if (enabled) impl.AllocN else stub.AllocN;
+pub const FreeN = if (enabled) impl.FreeN else stub.FreeN;
+pub const SecureAllocN = if (enabled) impl.SecureAllocN else stub.SecureAllocN;
+pub const SecureFreeN = if (enabled) impl.SecureFreeN else stub.SecureFreeN;
+
+pub const AllocNS = if (enabled) impl.AllocNS else stub.AllocNS;
+pub const FreeNS = if (enabled) impl.FreeNS else stub.FreeNS;
+pub const SecureAllocNS = if (enabled) impl.SecureAllocNS else stub.SecureAllocNS;
+pub const SecureFreeNS = if (enabled) impl.SecureFreeNS else stub.SecureFreeNS;
+
+pub const Message = if (enabled) impl.Message else stub.Message;
+pub const MessageL = if (enabled) impl.MessageL else stub.MessageL;
+pub const MessageC = if (enabled) impl.MessageC else stub.MessageC;
+pub const MessageLC = if (enabled) impl.MessageLC else stub.MessageLC;
+pub const MessageS = if (enabled) impl.MessageS else stub.MessageS;
+pub const MessageLS = if (enabled) impl.MessageLS else stub.MessageLS;
+pub const MessageCS = if (enabled) impl.MessageCS else stub.MessageCS;
+pub const MessageLCS = if (enabled) impl.MessageLCS else stub.MessageLCS;
+
+pub const FrameMark = if (enabled) impl.FrameMark else stub.FrameMark;
+pub const FrameMarkNamed = if (enabled) impl.FrameMarkNamed else stub.FrameMarkNamed;
+pub const FrameMarkStart = if (enabled) impl.FrameMarkStart else stub.FrameMarkStart;
+pub const FrameMarkEnd = if (enabled) impl.FrameMarkEnd else stub.FrameMarkEnd;
+pub const FrameImage = if (enabled) impl.FrameImage else stub.FrameImage;
+
+pub const FiberEnter = if (enabled) impl.FiberEnter else stub.FiberEnter;
+pub const FiberLeave = if (enabled) impl.FiberLeave else stub.FiberLeave;
+
+pub const PlotF = if (enabled) impl.PlotF else stub.PlotF;
+pub const PlotU = if (enabled) impl.PlotU else stub.PlotU;
+pub const PlotI = if (enabled) impl.PlotI else stub.PlotI;
+
+pub const AppInfo = if (enabled) impl.AppInfo else stub.AppInfo;
+
+pub const TracyAllocator = if (enabled) impl.TracyAllocator else stub.TracyAllocator;
+
+test {
+    std.testing.refAllDeclsRecursive(@This());
+}