static void OnDestroyObject(ProBuilderMesh mesh)
{
if (Experimental.meshesAreAssets)
{
if (EditorUtility.IsPrefab(mesh))
{
// Debug.Log("will not destroy prefab mesh");
}
else
{
string cache_path;
Mesh cache_mesh;
// if it is cached but not a prefab instance or root, destroy the mesh in the cache
// otherwise go ahead and destroy as usual
if (EditorMeshUtility.GetCachedMesh(mesh, out cache_path, out cache_mesh))
{
// on entering / exiting play mode unity instances everything and destroys the scene,
// which nukes the mesh cache. don't do this.
bool isPlaying = EditorApplication.isPlaying;
bool orWillPlay = EditorApplication.isPlayingOrWillChangePlaymode;
if (isPlaying || orWillPlay)
{
return;
}
SelectionUtility.Remove(mesh);
AssetDatabase.DeleteAsset(cache_path);
}
else
{
Object.DestroyImmediate(mesh.mesh);
}
}
}
else
{
string path = AssetDatabase.GetAssetPath(mesh.mesh);
// If the pb_Object is backed by a Mesh asset don't destroy it.
if (string.IsNullOrEmpty(path))
{
Object.DestroyImmediate(mesh.mesh);
}
}
}
/// <summary>
/// Ensure that this object has a valid mesh reference, and the geometry is current. If it is not valid, this function will attempt to repair the sync state.
/// </summary>
/// <param name="mesh">The component to test.</param>
/// <seealso cref="ProBuilderMesh.meshSyncState"/>
public static void SynchronizeWithMeshFilter(ProBuilderMesh mesh)
{
if (mesh == null)
{
throw new ArgumentNullException("mesh");
}
Mesh oldMesh = mesh.mesh;
MeshSyncState state = mesh.meshSyncState;
bool meshesAreAssets = Experimental.meshesAreAssets;
if (state != MeshSyncState.InSync)
{
if (state == MeshSyncState.Null)
{
mesh.Rebuild();
mesh.Optimize();
}
else
/**
* If the mesh ID doesn't match the gameObject Id, it could mean two things -
* 1. The object was just duplicated, and then made unique
* 2. The scene was reloaded, and gameObject ids were recalculated.
* If the latter, we need to clean up the old mesh. If the former,
* the old mesh needs to *not* be destroyed.
*/
if (oldMesh)
{
int meshNo = -1;
int.TryParse(oldMesh.name.Replace("pb_Mesh", ""), out meshNo);
UnityEngine.Object dup = UnityEditor.EditorUtility.InstanceIDToObject(meshNo);
GameObject go = dup as GameObject;
if (go == null)
{
// Debug.Log("scene reloaded - false positive.");
mesh.mesh.name = "pb_Mesh" + mesh.id;
}
else
{
// Debug.Log("duplicate mesh");
if (!meshesAreAssets || !(EditorUtility.IsPrefabAsset(mesh.gameObject) || IsPrefabInstance(mesh.gameObject)))
{
// deep copy arrays & ToMesh/Refresh
mesh.MakeUnique();
mesh.Optimize();
}
}
}
else
{
// old mesh didn't exist, so this is probably a prefab being instanced
if (EditorUtility.IsPrefabAsset(mesh.gameObject))
{
mesh.mesh.hideFlags = (HideFlags)(1 | 2 | 4 | 8);
}
mesh.Optimize();
}
}
else
{
if (meshesAreAssets)
{
EditorMeshUtility.TryCacheMesh(mesh);
}
}
}
/// <summary>
/// Ensure that this object has a valid mesh reference, and the geometry is current. If it is not valid, this function will attempt to repair the sync state.
/// </summary>
/// <param name="mesh">The component to test.</param>
/// <seealso cref="ProBuilderMesh.meshSyncState"/>
public static void SynchronizeWithMeshFilter(ProBuilderMesh mesh)
{
if (mesh == null)
{
throw new ArgumentNullException("mesh");
}
mesh.EnsureMeshFilterIsAssigned();
mesh.EnsureMeshColliderIsAssigned();
MeshSyncState state = mesh.meshSyncState;
bool meshesAreAssets = Experimental.meshesAreAssets;
if (state != MeshSyncState.InSync)
{
Mesh oldMesh;
if (state == MeshSyncState.Null)
{
mesh.Rebuild();
mesh.Optimize();
}
else
// If the mesh ID doesn't match the gameObject Id, it could mean two things:
// 1. The object was just duplicated, and then made unique
// 2. The scene was reloaded, and gameObject ids were recalculated.
// If (2) we need to clean up the old mesh. If the (1) the old mesh needs to *not* be destroyed.
if ((oldMesh = mesh.mesh) != null)
{
int meshNo = -1;
int.TryParse(oldMesh.name.Replace("pb_Mesh", ""), out meshNo);
UnityEngine.Object dup = UnityEditor.EditorUtility.InstanceIDToObject(meshNo);
GameObject go = dup as GameObject;
// Scene reload, just rename the mesh to the correct ID
if (go == null)
{
mesh.mesh.name = "pb_Mesh" + mesh.id;
}
else
{
// Mesh was duplicated, need to instantiate a unique mesh asset
if (!meshesAreAssets || !(IsPrefabAsset(mesh.gameObject) || IsPrefabInstance(mesh.gameObject)))
{
// deep copy arrays & ToMesh/Refresh
mesh.MakeUnique();
mesh.Optimize();
}
}
}
else
{
// old mesh didn't exist, so this is probably a prefab being instanced
if (IsPrefabAsset(mesh.gameObject))
{
mesh.mesh.hideFlags = (HideFlags)(1 | 2 | 4 | 8);
}
mesh.Optimize();
}
}
else
{
if (meshesAreAssets)
{
EditorMeshUtility.TryCacheMesh(mesh);
}
}
}