2 files changed, 18 insertions, 0 deletions
diff --git a/scripts/content_tools/anim_tool.py b/scripts/content_tools/anim_tool.py
index 205fc2b6e1..4a0773951e 100644
--- a/scripts/content_tools/anim_tool.py
+++ b/scripts/content_tools/anim_tool.py
@@ -611,6 +611,7 @@ def main(*argv):
     parser = argparse.ArgumentParser(description="process SL animations")
     parser.add_argument("--verbose", help="verbose flag", action="store_true")
     parser.add_argument("--dump", help="dump to stdout", action="store_true")
+    parser.add_argument("--use_aliases", help="use alias names for bones", action="store_true")
     parser.add_argument("--rot", help="specify sequence of rotations", type=float_triple, nargs="+")
     parser.add_argument("--rand_pos", help="request NUM random positions (default %(default)s)",
                         metavar="NUM", type=int, default=2)
diff --git a/scripts/content_tools/skel_tool.py b/scripts/content_tools/skel_tool.py
index 449ecd6a6c..696e4e2923 100644
--- a/scripts/content_tools/skel_tool.py
+++ b/scripts/content_tools/skel_tool.py
@@ -72,6 +72,22 @@ def check_symmetry(name, field, vec1, vec2):
     if vec1[2] != vec2[2]:
         print(name,field,"z match fail")
 
+def enforce_alias_rules(tree, element, fix=False):
+    if element.tag != "bone":
+        return
+    alias_lis = []
+    aliases = element.get("aliases")
+    if aliases:
+        alias_lis = aliases.split(" ")
+    name = element.get("name")
+    if name:
+        std_alias = "avatar_" + name
+        if not std_alias in alias_lis:
+            print "missing expected alias",name,std_alias
+        for alias in alias_lis:
+            if alias.startswith("avatar_") and alias != std_alias:
+                print "invalid avatar_ alias",name,alias
+
 def enforce_symmetry(tree, element, field, fix=False):
     name = element.get("name")
     if not name:
@@ -209,6 +225,7 @@ def validate_skel_tree(tree, ogtree, reftree, fix=False):
                             unfixable += 1
 
         fix_name(element)
+        enforce_alias_rules(tree, element, fix)
         enforce_precision_rules(element)
         for field in ["pos","pivot"]:
             enforce_symmetry(tree, element, field, fix)