Compress baked PNGs and tighten XPbr shadows with URP quality tweaks.

Add png_compress to the model pipeline and update TownSquare lighting plus MaleExplorer/plaza textures.

Co-authored-by: Cursor <cursoragent@cursor.com>

Tools/model_tools/model_translator.py

@@ -8,6 +8,7 @@ import sys
 
 import unity_assets as ua
 from mt_run import HERE, find_blender, run_blender_script
+from png_compress import compress_dir_pngs
 
 
 def write_unity_assets(outdir, summary, max_size):
@@ -79,6 +80,7 @@ def translate_fbx(src, outdir, max_size=2048, blender=None):
     summary = run_blender_script(
         blender_exe, "bl_convert.py", [src, outdir, str(max_size)]
     )
+    compress_dir_pngs(outdir, suffixes=("_base.png", "_mix.png"))
     unity = write_unity_assets(outdir, summary, max_size)
     return {**summary, "unity": unity}