ani

tools/retarget.py

@@ -123,7 +123,13 @@ LIBRARY_V2_CLIP_MAP = {
 # Keep the useful authored front/back steps, but label them honestly.
 DIRECTIONAL_CLIP_MAP = {
     "strafe_front-cycle": "StrafeWalkForward",
-    "strafe_back-cycle": "StrafeWalkBackward",
+    # The same coherent back-step is cadence-scaled for running. This source
+    # keeps pelvis and abdomen in one frame; the previous CMU capture folded
+    # the torso on the anime rigs.
+    "strafe_back-cycle": [
+        ("StrafeWalkBackward", 0.0),
+        ("RunBackward", 0.0),
+    ],
 }
 
 # Mesh2Motion's CC0 human add-on library supplies authored forward and lateral
@@ -145,9 +151,7 @@ WALLRUN_CLIP_MAP = {
     "WallRunRight": "WallRunRight",
 }
 
-CMU_CLIP_MAP = {
-    "RunBackward": "RunBackward",
-}
+CMU_CLIP_MAP = {}
 
 UP = Vector((0.0, 0.0, 1.0))
 
@@ -1192,7 +1196,12 @@ def _weights_look_authored(meshes, roles):
                 bleeding += 1
     if total == 0:
         return False
-    authored = bleeding / total < 0.02 and four / total < 0.5
+    # Use the same cross-leg ceiling as verify_character.  A source can be
+    # beautifully hand-painted overall yet still carry enough opposite-leg
+    # weight to fold during backward/side steps. Mark that case for the
+    # runtime's geometry-aware SkinLegRepair instead of exempting it merely
+    # because the rest of the weighting looks authored.
+    authored = bleeding / total < 0.005 and four / total < 0.5
     print(f"Weights: {bleeding} cross-leg ({bleeding / total * 100:.1f}%), "
           f"{four / total * 100:.0f}% at four influences — "
           f"{'authored' if authored else 'solved, runtime repair stays on'}")