public override void OnInspectorGUI()
{
if (EditorApplication.isPlayingOrWillChangePlaymode)
{
return;
}
var reference = this.target as GeneratedMeshes;
if (!reference)
{
return;
}
var destination = reference.owner;
if (!destination)
{
GUILayout.Space(10);
GUILayout.Label("The owner of this mesh doesn't exist anymore!");
GUILayout.Space(10);
}
else
{
var defaultModel = InternalCSGModelManager.GetDefaultCSGModelForObject(reference);
GUILayout.Space(10);
if (destination == defaultModel || !defaultModel || !destination)
{
GUILayout.Label("This mesh was automatically generated by the default CSG-model");
}
else
{
GUILayout.Label("This mesh was automatically generated by a CSG-model called '" + destination.name + "'");
GUILayout.Space(10);
if (GUILayout.Button("Take me there"))
{
Selection.activeObject = destination;
}
}
GUILayout.Space(10);
}
}
// returns true when modified
internal static bool UpdateNodePosition(HierarchyItem node, ParentNodeData top)
{
// on each level, compare sibling position to nodes before and after it.
// if it's different, remove self and find new position in array.
// continue to next parent.
var iteratorParent = node.Parent;
if (iteratorParent == null)
{
AddNode(node, top);
top.ChildrenModified = true;
return(true);
}
var currentLoopCount = CurrentLoopCount;
var iterator = node;
while (iteratorParent != null)
{
var iteratorTransformID = iterator.TransformID;
if (iteratorTransformID == 0)
{
Debug.Log("iterator_transform == null");
}
else
if (iterator.LastLoopCount != currentLoopCount)
{
var iteratorTransform = iterator.Transform;
var iteratorParentTransformID = iteratorTransform.parent == null ? 0 : iteratorTransform.parent.GetInstanceID();
// Compare the unity parent transform to the stored parent transform
if (iteratorParent.TransformID != iteratorParentTransformID)
{
var defaultCSGInstanceID = 0;
var defaultCSGModel = InternalCSGModelManager.GetDefaultCSGModelForObject(iteratorTransform);
if (defaultCSGModel != null &&
defaultCSGModel.transform != null)
{
defaultCSGInstanceID = defaultCSGModel.transform.GetInstanceID();
}
if (defaultCSGInstanceID == 0 || defaultCSGInstanceID != iteratorParent.TransformID)
{
RemoveNode(node, top);
AddNode(node, top);
top.ChildrenModified = true;
return(true);
}
}
if (iterator.LastLoopCount != currentLoopCount)
{
iterator.CachedTransformSiblingIndex = iteratorTransform.GetSiblingIndex();
iterator.LastLoopCount = currentLoopCount;
}
// Does the child even exist in the parent transform?
int iteratorChildIndex;
if (!iteratorParent.FindSiblingIndex(iteratorTransform, iterator.CachedTransformSiblingIndex, iteratorTransformID, out iteratorChildIndex))
{
RemoveNode(node, top);
AddNode(node, top);
top.ChildrenModified = true;
return(true);
}
// See if the position of the child has changed ..
if (iteratorChildIndex != iterator.SiblingIndex)
{
iterator.SiblingIndex = iteratorChildIndex;
RemoveNode(node, top);
AddNode(node, top);
top.ChildrenModified = true;
return(true);
}
// Compare the child index to the one before and after it ..
var iteratorParentChildNodes = iteratorParent.ChildNodes;
var iteratorSiblingIndex = iteratorTransform.GetSiblingIndex();
if (iteratorChildIndex > 0)
{
var prevTransform = iteratorParentChildNodes[iteratorChildIndex - 1].Transform;
if (!prevTransform)
{
return(false);
}
var iteratorPrevSiblingIndex = prevTransform.GetSiblingIndex();
if (iteratorPrevSiblingIndex >= iteratorSiblingIndex)
{
RemoveNode(node, top);
AddNode(node, top);
top.ChildrenModified = true;
return(true);
}
}
else
if (iteratorChildIndex < iteratorParentChildNodes.Length - 1)
{
var nextTransform = iteratorParentChildNodes[iteratorChildIndex + 1].Transform;
if (!nextTransform)
{
return(false);
}
var iteratorNextSiblingIndex = nextTransform.GetSiblingIndex();
if (iteratorNextSiblingIndex <= iteratorSiblingIndex)
{
RemoveNode(node, top);
AddNode(node, top);
top.ChildrenModified = true;
return(true);
}
}
}
iterator = iteratorParent;
iteratorParent = iterator.Parent;
}
return(false);
}
// returns true on success
internal static bool AddNode(HierarchyItem node, ParentNodeData top)
{
if (node.Parent != null)
{
//Debug.Log("node.parent != null");
return(false);
}
if (!top.Transform)
{
// var top_transform_name = (top.transform == null) ? "null" : top.transform.name;
// var node_transform_name = (node.transform == null) ? "null" : node.transform.name;
// Debug.Log("!top.transform (top.transform=" + top_transform_name + ", node.transform = " + node_transform_name + ")", node.transform);
return(false);
}
var ancestors = new List <Transform>();
var leafTransform = node.Transform;
if (leafTransform == null)
{
//Debug.Log("node.transform == null");
return(false);
}
var iterator = leafTransform.parent;
while (iterator != null &&
iterator != top.Transform)
{
ancestors.Add(iterator);
iterator = iterator.parent;
}
var defaultModel = InternalCSGModelManager.GetDefaultCSGModelForObject(iterator);
if (!defaultModel)
{
return(false);
}
var defaultModelTransform = defaultModel.transform;
if (iterator == null || top.Transform == null ||
top.Transform == defaultModelTransform)
{
iterator = defaultModelTransform;
}
if (iterator == null)
{
node.Reset();
top.Reset();
//Debug.Log("iterator == null");
return(false);
}
if (iterator != top.Transform)
{
//Debug.Log("iterator != top.transform");
return(false);
}
// var currentLoopCount = CurrentLoopCount;
HierarchyItem lastParent = top;
var ancestorDepth = ancestors.Count - 1;
while (ancestorDepth >= 0)
{
var ancestor = ancestors[ancestorDepth];
int childIndex;
if (!lastParent.FindSiblingIndex(ancestor, ancestor.GetSiblingIndex(), ancestor.GetInstanceID(), out childIndex))
{
break;
}
lastParent = lastParent.ChildNodes[childIndex];
ancestorDepth--;
}
while (ancestorDepth >= 0)
{
var newAncestor = new HierarchyItem();
newAncestor.Transform = ancestors[ancestorDepth];
newAncestor.TransformID = newAncestor.Transform.GetInstanceID();
newAncestor.Parent = lastParent;
if (!lastParent.AddChildItem(newAncestor))
{
return(false);
}
lastParent = newAncestor;
ancestorDepth--;
}
node.Parent = lastParent;
top.ChildrenModified = true;
return(lastParent.AddChildItem(node));
}
public static void OnPrefabSaving(GameObject obj)
{
var foundGeneratedMeshes = obj.GetComponentsInChildren <GeneratedMeshes>();
if (foundGeneratedMeshes.Length == 0)
{
return;
}
var defaultModel = InternalCSGModelManager.GetDefaultCSGModelForObject(obj.transform);
newMeshes.Clear();
foreach (var generatedMeshesInstance in foundGeneratedMeshes)
{
if (generatedMeshesInstance.owner == defaultModel)
{
continue;
}
foreach (var generatedMeshInstance in generatedMeshesInstance.GetComponentsInChildren <GeneratedMeshInstance>())
{
if (!generatedMeshInstance) // possible when it's deleted in a prefab
{
continue;
}
foundGeneratedMeshInstances.Add(generatedMeshInstance);
if (generatedMeshInstance.SharedMesh)
{
newMeshes.Add(generatedMeshInstance.SharedMesh);
}
}
foreach (var helperSurface in generatedMeshesInstance.HelperSurfaces)
{
foundHelperSurfaces.Add(helperSurface);
newMeshes.Add(helperSurface.SharedMesh);
}
}
var asset = CSGPrefabUtility.GetPrefabAsset(obj);
var assetPath = AssetDatabase.GetAssetPath(asset);
var assetObjects = AssetDatabase.LoadAllAssetsAtPath(assetPath);
foreach (var assetObject in assetObjects)
{
var mesh = assetObject as Mesh;
if (!mesh)
{
continue;
}
oldMeshes.Add(mesh);
}
if (newMeshes.Count == 0 && oldMeshes.Count == 0)
{
return;
}
// We might be modifying a prefab, in which case we need to store meshes inside it that belong to it
AssetDatabase.StartAssetEditing();
try
{
foreach (var oldMesh in oldMeshes)
{
if (newMeshes.Contains(oldMesh))
{
continue;
}
if (CanRemoveObjectFromAsset(assetPath, oldMesh, ignoreWhenPartOfOtherAsset: true))
{
AssetDatabase.RemoveObjectFromAsset(oldMesh);
}
}
foreach (var _newMesh in newMeshes)
{
var newMesh = _newMesh;
if (oldMeshes.Contains(newMesh))
{
if (IsObjectPartOfAsset(assetPath, newMesh))
{
continue;
}
}
if (CanAddObjectToAsset(assetPath, newMesh))
{
AssetDatabase.AddObjectToAsset(newMesh, asset);
}
}
}
finally
{
AssetDatabase.StopAssetEditing();
}
}
// returns true on success
internal static bool AddNode(HierarchyItem node, ParentNodeData top)
{
if (node.Parent != null)
{
return(false);
}
if (!top.Transform)
{
return(false);
}
var ancestors = new List <Transform>();
var leafTransform = node.Transform;
if (leafTransform == null)
{
return(false);
}
var iterator = leafTransform.parent;
while (iterator != null &&
iterator != top.Transform)
{
ancestors.Add(iterator);
iterator = iterator.parent;
}
var defaultModel = InternalCSGModelManager.GetDefaultCSGModelForObject(iterator);
if (!defaultModel)
{
return(false);
}
var defaultModelTransform = defaultModel.transform;
if (iterator == null || top.Transform == null ||
top.Transform == defaultModelTransform)
{
iterator = defaultModelTransform;
}
if (iterator == null)
{
node.Reset();
top.Reset();
return(false);
}
#if !UNITY_2018_3_OR_NEWER
// TODO: figure out how to check this, yet still support prefab isolation mode
if (iterator != top.Transform)
{
return(false);
}
#endif
//var currentLoopCount = CurrentLoopCount;
HierarchyItem lastParent = top;
var ancestorDepth = ancestors.Count - 1;
while (ancestorDepth >= 0)
{
var ancestor = ancestors[ancestorDepth];
int childIndex;
if (!lastParent.FindSiblingIndex(ancestor, ancestor.GetSiblingIndex(), ancestor.GetInstanceID(), out childIndex))
{
break;
}
lastParent = lastParent.ChildNodes[childIndex];
ancestorDepth--;
}
while (ancestorDepth >= 0)
{
var newAncestor = new HierarchyItem();
newAncestor.Transform = ancestors[ancestorDepth];
newAncestor.TransformID = newAncestor.Transform.GetInstanceID();
newAncestor.Parent = lastParent;
if (!lastParent.AddChildItem(newAncestor))
{
return(false);
}
lastParent = newAncestor;
ancestorDepth--;
}
node.Parent = lastParent;
top.ChildrenModified = true;
return(lastParent.AddChildItem(node));
}