2 files changed, 142 insertions, 0 deletions
diff --git a/VRCSDK3Worlds/Assets/Bakery/BakeryLightmappedPrefab.cs b/VRCSDK3Worlds/Assets/Bakery/BakeryLightmappedPrefab.cs
new file mode 100644
index 00000000..9359b86c
--- /dev/null
+++ b/VRCSDK3Worlds/Assets/Bakery/BakeryLightmappedPrefab.cs
@@ -0,0 +1,130 @@
+#if UNITY_EDITOR
+using UnityEditor;
+#endif
+using UnityEngine;
+
+// Disable 'obsolete' warnings
+#pragma warning disable 0618
+
+[DisallowMultipleComponent]
+public class BakeryLightmappedPrefab : MonoBehaviour
+{
+#if UNITY_EDITOR
+    public bool enableBaking = true;
+    public string errorMessage;
+
+    public bool IsValid()
+    {
+        errorMessage = "";
+
+        if (!enableBaking)
+        {
+            return false;
+        }
+
+        bool isPartOfPrefab = PrefabUtility.GetPrefabType(gameObject) == PrefabType.PrefabInstance;
+        if (!isPartOfPrefab)
+        {
+            errorMessage = "this GameObject is not a prefab";
+            return false;
+        }
+
+        bool prefabIsRoot = PrefabUtility.FindPrefabRoot(gameObject) == gameObject;
+        if (!prefabIsRoot)
+        {
+            errorMessage = "this GameObject is not a root prefab object";
+            return false;
+        }
+
+        var transforms = GetComponentsInChildren<Transform>();
+        for(int i=0; i<transforms.Length; i++)
+        {
+            if (PrefabUtility.FindPrefabRoot(transforms[i].gameObject) != gameObject)
+            {
+                errorMessage = "prefab contains unapplied object (" + transforms[i].name + ")";
+                return false;
+            }
+        }
+
+        var prefabRootObj = PrefabUtility.GetPrefabObject(gameObject);
+        //var prefabRootObj2 = PrefabUtility.FindPrefabRoot(gameObject);
+
+        var mods = PrefabUtility.GetPropertyModifications(gameObject);
+        if (mods != null)
+        {
+            for(int i=0; i<mods.Length; i++)
+            {
+                if (mods[i] == null) continue;
+#if UNITY_2018_3_OR_NEWER
+                if (PrefabUtility.IsDefaultOverride(mods[i])) continue;
+#endif
+                if (mods[i].propertyPath == "m_RootOrder") continue;
+                if (mods[i].propertyPath == "errorMessage") continue;
+                if (mods[i].propertyPath == "enableBaking") continue;
+                if (mods[i].propertyPath.IndexOf("idremap") >= 0) continue;
+                if (mods[i].target != null && mods[i].target.name == gameObject.name)
+                {
+                    if (mods[i].propertyPath.Contains("m_LocalPosition")) continue;
+                    if (mods[i].propertyPath.Contains("m_LocalRotation")) continue;
+                    if (mods[i].propertyPath.Contains("m_LocalScale")) continue;
+                }
+
+                errorMessage = "prefab contains unapplied data (" + mods[i].target+"."+mods[i].propertyPath + ")";
+                return false;
+            }
+        }
+
+        var comps = gameObject.GetComponents<Component>();
+        var comps2 = gameObject.GetComponentsInChildren<Component>();
+
+        for(int t=0; t<2; t++)
+        {
+            var comps3 = t == 0 ? comps : comps2;
+            for(int c=0; c<comps3.Length; c++)
+            {
+                var prefabObj = PrefabUtility.GetPrefabObject(comps3[c]);
+                if (prefabObj != prefabRootObj)
+                {
+                    errorMessage = "prefab contains unapplied component (" + comps3[c] + ")";
+                    return false;
+                }
+
+                /*bool isRoot = comps3[c].gameObject == gameObject;
+
+                var mods = PrefabUtility.GetPropertyModifications(comps3[c]);
+                if (mods == null) continue;
+                for(int i=0; i<mods.Length; i++)
+                {
+                    if (mods[i].propertyPath == "m_RootOrder") continue;
+                    if (isRoot)
+                    {
+                        if (mods[i].propertyPath == "errorMessage") continue;
+                        if (mods[i].propertyPath == "enableBaking") continue;
+                        if (mods[i].propertyPath.Contains("m_LocalPosition")) continue;
+                        if (mods[i].propertyPath.Contains("m_LocalRotation")) continue;
+                        if (mods[i].propertyPath.Contains("m_LocalScale")) continue;
+                    }
+                    else
+                    {
+                        if (mods[i].propertyPath.Contains("m_LocalPosition"))
+                        {
+                            var dist = (comps3[c].transform.position - (PrefabUtility.GetPrefabParent(comps3[c].gameObject) as GameObject).transform.position).sqrMagnitude;
+                            Debug.LogError(dist);
+                            if (dist < 0.001f) continue;
+                        }
+                        else if (mods[i].propertyPath.Contains("m_LocalRotation"))
+                        {
+                            continue;
+                        }
+                    }
+                    errorMessage = "Error: prefab contains unapplied data (" + mods[i].target+"."+mods[i].propertyPath + ")";
+                    return false;
+                }*/
+            }
+        }
+
+        return true;
+    }
+#endif
+}
+
diff --git a/VRCSDK3Worlds/Assets/Bakery/BakeryLightmappedPrefab.cs.meta b/VRCSDK3Worlds/Assets/Bakery/BakeryLightmappedPrefab.cs.meta
new file mode 100644
index 00000000..94283e38
--- /dev/null
+++ b/VRCSDK3Worlds/Assets/Bakery/BakeryLightmappedPrefab.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 6090ef81e51c0ad4da5a1a37e6cf65cf
+timeCreated: 1541703042
+licenseType: Store
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: