generate registry headers in workflow

.github/workflows/build.yml

@@ -14,12 +14,29 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Install Bun
+        uses: oven-sh/setup-bun@v1
+        with:
+          bun-version: latest
+
       - name: Download cosmocc
         run: |
           curl -LO https://cosmo.zip/pub/cosmocc/cosmocc.zip
           unzip cosmocc.zip -d cosmocc
           echo "$PWD/cosmocc/bin" >> $GITHUB_PATH
 
+      - name: Dump Minecraft server registries
+        run: |
+          mkdir notchian
+          cd notchian
+          curl -Lo server.jar https://piston-data.mojang.com/v1/objects/6bce4ef400e4efaa63a13d5e6f6b500be969ef81/server.jar
+          echo "eula=true" > eula.txt
+          java -DbundlerMainClass="net.minecraft.data.Main" -jar server.jar
+
+      - name: Generate registry headers
+        run: |
+          bun run build_registries.js
+
       - name: Build project
         run: |
           cosmocc src/*.c -O3 -Iinclude -o bareiron.exe