TTF build using fontforge

OTFbuild/build_font.py

@@ -0,0 +1,75 @@
+#!/usr/bin/env python3
+"""
+Terrarum Sans Bitmap OTF Builder v2 — Python + fonttools
+
+Builds a TTF font with both vector-traced outlines (TrueType glyf)
+and embedded bitmap strike (EBDT/EBLC) from TGA sprite sheets.
+
+Usage:
+    python3 OTFbuild/build_font.py src/assets -o OTFbuild/TerrarumSansBitmap.ttf
+
+Options:
+    --no-bitmap     Skip EBDT/EBLC bitmap strike
+    --no-features   Skip GSUB/GPOS OpenType features
+"""
+
+import argparse
+import sys
+import os
+
+# Add OTFbuild dir to path for imports
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+
+from font_builder import build_font
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Build Terrarum Sans Bitmap TTF from TGA sprite sheets"
+    )
+    parser.add_argument(
+        "assets_dir",
+        help="Path to assets directory containing TGA sprite sheets"
+    )
+    parser.add_argument(
+        "-o", "--output",
+        default="OTFbuild/TerrarumSansBitmap.ttf",
+        help="Output TTF file path (default: OTFbuild/TerrarumSansBitmap.ttf)"
+    )
+    parser.add_argument(
+        "--no-bitmap",
+        action="store_true",
+        help="Skip EBDT/EBLC bitmap strike"
+    )
+    parser.add_argument(
+        "--no-features",
+        action="store_true",
+        help="Skip GSUB/GPOS OpenType features"
+    )
+
+    args = parser.parse_args()
+
+    if not os.path.isdir(args.assets_dir):
+        print(f"Error: assets directory not found: {args.assets_dir}", file=sys.stderr)
+        sys.exit(1)
+
+    # Ensure output directory exists
+    output_dir = os.path.dirname(args.output)
+    if output_dir:
+        os.makedirs(output_dir, exist_ok=True)
+
+    print(f"Terrarum Sans Bitmap OTF Builder v2")
+    print(f"  Assets: {args.assets_dir}")
+    print(f"  Output: {args.output}")
+    print()
+
+    build_font(
+        assets_dir=args.assets_dir,
+        output_path=args.output,
+        no_bitmap=args.no_bitmap,
+        no_features=args.no_features,
+    )
+
+
+if __name__ == "__main__":
+    main()