fuck it we're rendering blocks using webgl

2026-06-04 00:56:54 +00:00 · 2026-05-19 00:15:54 -04:00
parent d440199d4e
commit b802c39334
15 changed files with 80463 additions and 179 deletions
@@ -0,0 +1,76 @@
+#!/usr/bin/env sh
+set -eu
+
+# Downloads the vanilla Minecraft assets used by the HTTPD live inventory view
+# into src/main/resources/httpd/assets for local development.
+#
+# Usage:
+#   ./scripts/download-minecraft-assets.sh              # latest release
+#   ./scripts/download-minecraft-assets.sh 1.21.10      # specific version
+
+VERSION="${1:-}"
+PROJECT_ROOT="$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)"
+ASSET_ROOT="$PROJECT_ROOT/src/main/resources/httpd/assets"
+
+python3 - "$VERSION" "$ASSET_ROOT" <<'PY'
+import json
+import shutil
+import sys
+import tempfile
+import urllib.request
+import zipfile
+from pathlib import Path
+
+version_arg = sys.argv[1].strip()
+asset_root = Path(sys.argv[2])
+manifest_url = "https://piston-meta.mojang.com/mc/game/version_manifest_v2.json"
+
+
+def get_json(url):
+    with urllib.request.urlopen(url, timeout=30) as response:
+        return json.loads(response.read().decode("utf-8"))
+
+
+manifest = get_json(manifest_url)
+version = version_arg or manifest["latest"]["release"]
+version_entry = next((v for v in manifest["versions"] if v["id"] == version), None)
+if version_entry is None:
+    raise SystemExit(f"Minecraft version {version!r} was not found in Mojang's manifest")
+
+version_json = get_json(version_entry["url"])
+client_url = version_json["downloads"]["client"]["url"]
+
+print(f"Downloading Minecraft {version} client assets...")
+with tempfile.TemporaryDirectory() as tmp:
+    jar_path = Path(tmp) / f"minecraft-{version}.jar"
+    with urllib.request.urlopen(client_url, timeout=300) as response, jar_path.open("wb") as out:
+        shutil.copyfileobj(response, out)
+
+    for directory in ("textures", "models", "items"):
+        shutil.rmtree(asset_root / directory, ignore_errors=True)
+        (asset_root / directory).mkdir(parents=True, exist_ok=True)
+
+    prefixes = (
+        "assets/minecraft/textures/item/",
+        "assets/minecraft/textures/block/",
+        "assets/minecraft/textures/entity/shield/shield_base_nopattern.png",
+        "assets/minecraft/models/item/",
+        "assets/minecraft/models/block/",
+        "assets/minecraft/items/",
+    )
+
+    extracted = 0
+    with zipfile.ZipFile(jar_path) as jar:
+        for info in jar.infolist():
+            if info.is_dir() or not info.filename.startswith(prefixes):
+                continue
+            relative = info.filename[len("assets/minecraft/"):]
+            target = asset_root / relative
+            target.parent.mkdir(parents=True, exist_ok=True)
+            with jar.open(info) as source, target.open("wb") as out:
+                shutil.copyfileobj(source, out)
+            extracted += 1
+
+(asset_root / ".minecraft-version").write_text(version + "\n", encoding="utf-8")
+print(f"Extracted {extracted} files to {asset_root}")
+PY