Initial VRM Conversion

VRM Conversion, converts the vrm armature and removes colliders as there are not used in Unity. There some bugs and i need to optimise it and etc. Also we need to remove root empty bone as it's useless in Unity. Ran out of time to finish it but proof of concept it works lol. However dont want to release it unto Alpha 4 as it need to be tested and i may seperate some things into different buttons but i have not decided.
2025-08-01 14:40:49 +01:00
parent e3052d867d
commit 29f728442a
6 changed files with 801 additions and 13 deletions
@@ -0,0 +1,85 @@
+import bpy
+from bpy.types import Panel, Context, UILayout
+from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from ..core.translations import t
+from ..core.common import get_active_armature
+from ..core.vrm_unity_converter import detect_vrm_armature
+from ..functions.tools.vrm_unity_conversion import AvatarToolkit_OT_ConvertVRMToUnity
+
+
+class AvatarToolKit_PT_VRMUnityPanel(Panel):
+    """Panel for VRM to Unity conversion tools"""
+    bl_label = "VRM to Unity"
+    bl_idname = "OBJECT_PT_avatar_toolkit_vrm_unity"
+    bl_space_type = 'VIEW_3D'
+    bl_region_type = 'UI'
+    bl_category = CATEGORY_NAME
+    bl_parent_id = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
+    bl_order = 3
+    bl_options = {'DEFAULT_CLOSED'}
+
+    def draw(self, context: Context) -> None:
+        """Draw the VRM to Unity conversion panel interface"""
+        layout: UILayout = self.layout
+        
+        # VRM Conversion Tools
+        vrm_box: UILayout = layout.box()
+        col: UILayout = vrm_box.column(align=True)
+        col.label(text="VRM Converter", icon='ARMATURE_DATA')
+        col.separator(factor=0.5)
+        
+        # Check if we have an active armature
+        armature = get_active_armature(context)
+        
+        if not armature:
+            col.label(text="No armature selected", icon='ERROR')
+            col.label(text="Select an armature to convert")
+            return
+        
+        # Check if the armature appears to be VRM
+        is_vrm = detect_vrm_armature(armature)
+        
+        if is_vrm:
+            col.label(text=f"Armature: {armature.name}", icon='CHECKMARK')
+            col.label(text="VRM armature detected", icon='INFO')
+            col.separator(factor=0.3)
+            
+            toolkit = context.scene.avatar_toolkit
+            col.prop(toolkit, 'vrm_remove_colliders', text="Remove Colliders")
+            col.separator(factor=0.2)
+            
+            col.operator(
+                AvatarToolkit_OT_ConvertVRMToUnity.bl_idname,
+                text="Convert to Unity Format",
+                icon='EXPORT'
+            )
+            
+            info_box = vrm_box.box()
+            info_col = info_box.column(align=True)
+            info_col.label(text="Conversion Info:", icon='INFO')
+            info_col.label(text="• Renames VRM bones to Unity format")
+            info_col.label(text="• Removes collider bones (optional)")
+            info_col.label(text="• Maintains bone hierarchy")
+            info_col.label(text="• Validates conversion results")
+            info_col.label(text="• Preserves all animations")
+            
+        else:
+            col.label(text=f"Armature: {armature.name}", icon='ERROR')
+            col.label(text="No VRM bones detected", icon='CANCEL')
+            col.separator(factor=0.3)
+            
+            row = col.row()
+            row.enabled = False
+            row.operator(
+                AvatarToolkit_OT_ConvertVRMToUnity.bl_idname,
+                text="Convert to Unity Format",
+                icon='CANCEL'
+            )
+            
+            help_box = vrm_box.box()
+            help_col = help_box.column(align=True)
+            help_col.label(text="VRM Detection Failed:", icon='QUESTION')
+            help_col.label(text="• Selected armature is not VRM format")
+            help_col.label(text="• VRM bones start with 'J_Bip_C_'")
+            help_col.label(text="• Need at least 5 VRM bones detected")
+            help_col.label(text="• Check armature bone names")