build: GL 渲染层与客户端挂 gl 构建标签（无 C 工具链也可构建测试）；构建脚本自动定位 zig/gcc

scripts/build.ps1

@@ -1,39 +1,42 @@
 # 年糕历险记 构建脚本（Windows）
 # 用法：pwsh -File scripts/build.ps1 [-Release]
-# 自动准备便携 MinGW-w64（GLFW 需要 CGO），然后构建 client/server。
+# 自动定位 C 工具链（tools/ 下的 zig 或 mingw64/w64devkit），构建 GL 客户端与服务器。
 param([switch]$Release)
 
 $ErrorActionPreference = "Stop"
 $root = Split-Path $PSScriptRoot -Parent
 $tools = Join-Path $root "tools"
-$mingw = Join-Path $tools "mingw64"
-$gcc = Join-Path $mingw "bin\gcc.exe"
 
-if (-not (Test-Path $gcc)) {
-    Write-Host "== 未找到 C 编译器（GLFW 需要），下载便携 MinGW-w64 =="
-    New-Item -ItemType Directory -Force -Path $tools | Out-Null
-    $url = "https://github.com/brechtsanders/winlibs_mingw/releases/download/14.2.0posix-19.1.1-12.0.0-ucrt-r1/winlibs-x86_64-posix-seh-gcc-14.2.0-mingw-w64ucrt-12.0.0-r1.zip"
-    $zip = Join-Path $env:TEMP "winlibs-mingw.zip"
-    Invoke-WebRequest -Uri $url -OutFile $zip -UseBasicParsing
-    Expand-Archive -Path $zip -DestinationPath $tools -Force
-    Remove-Item $zip -Force
-    if (-not (Test-Path $gcc)) {
-        throw "MinGW 准备失败：请手动安装 mingw-w64 并重试，或检查网络。"
+# 定位 C 编译器（GLFW 需要 CGO）：优先 zig（zig cc），其次 mingw64/w64devkit 的 gcc
+$cc = $null
+$zig = Get-ChildItem $tools -Recurse -Filter zig.exe -ErrorAction SilentlyContinue | Select-Object -First 1
+if ($zig) {
+    $cc = "$($zig.FullName) cc"
+    Write-Host "== 使用 zig 作为 C 编译器: $($zig.FullName) =="
+} else {
+    $gcc = Get-ChildItem $tools -Recurse -Filter gcc.exe -ErrorAction SilentlyContinue | Select-Object -First 1
+    if ($gcc) {
+        $cc = $gcc.FullName
+        $env:Path = "$(Split-Path $gcc.FullName);$env:Path"
+        Write-Host "== 使用 gcc: $($gcc.FullName) =="
+    } else {
+        Write-Host "== 未找到 C 工具链：请把 zig（或 MinGW）放到 tools/ 后重试。"
+        Write-Host "   下载：https://ziglang.org/download/（zig-x86_64-windows-*.zip）"
+        Write-Host "   或：  https://github.com/brechtsanders/winlibs_mingw/releases（winlibs zip）"
+        exit 1
     }
 }
+$env:CC = $cc
+$env:CGO_ENABLED = "1"
 
-$env:CC = $gcc
-$env:Path = "$(Join-Path $mingw 'bin');$env:Path"
-
-$tags = ""
-$ldflags = "-s -w"
-if (-not $Release) { $tags = "-tags dev" }
+$tags = "gl"
+if (-not $Release) { $tags = "$tags dev" }
 
 Push-Location $root
 try {
     New-Item -ItemType Directory -Force -Path bin | Out-Null
-    go build $tags -trimpath -ldflags $ldflags -o bin/mc-client.exe ./cmd/client
-    go build $tags -trimpath -ldflags $ldflags -o bin/mc-server.exe ./cmd/server
+    go build -tags $tags -trimpath -ldflags "-s -w" -o bin/mc-client.exe ./cmd/client
+    go build -trimpath -ldflags "-s -w" -o bin/mc-server.exe ./cmd/server
 } finally {
     Pop-Location
 }