/// <summary>
/// Destroy existing components on targetGO which were generated by our bake process.
/// Persistent resources like meshes, materials, textures will be deleted if bDontDeletePersistentResources is true.
/// Fills in targetAssetPath with targetGO's asset cache path.
/// </summary>
/// <param name="targetGO">The gameobject to destroy components of</param>
/// <param name="bDontDeletePersistantResources">Whether to delete persistant data</param>
/// <param name="targetAssetPath">targetGO's asset cache path, if used</param>
public static void DestroyGeneratedMeshMaterialsLODGroups(GameObject targetGO, bool bDontDeletePersistantResources)
{
if(targetGO == null)
{
return;
}
// Delete the target mesh collider's mesh
// Do this before deleting the mesh below since its stored under the mesh's asset on file
DestroyMeshCollider(targetGO, bDontDeletePersistantResources);
// Delete the target mesh filter's mesh
MeshFilter targetMeshFilter = targetGO.GetComponent<MeshFilter>();
if (targetMeshFilter != null)
{
Mesh targetMesh = targetMeshFilter.sharedMesh;
if (targetMesh != null)
{
if (!bDontDeletePersistantResources || !HEU_EditorUtility.IsPersistant(targetMesh))
{
DestroyImmediate(targetMesh, true);
}
targetMesh = null;
targetMeshFilter.sharedMesh = null;
}
}
// Delete existing materials and textures
MeshRenderer targetMeshRenderer = targetGO.GetComponent<MeshRenderer>();
if (targetMeshRenderer != null && !bDontDeletePersistantResources)
{
Material[] targetMaterials = targetMeshRenderer.sharedMaterials;
if (targetMaterials != null)
{
for (int i = 0; i < targetMaterials.Length; ++i)
{
Material material = targetMaterials[i];
if (material == null)
{
continue;
}
DestroyGeneratedMaterial(material);
targetMaterials[i] = null;
}
targetMeshRenderer.sharedMaterials = targetMaterials;
}
}
// If has LOD group, delete children as well. Presumably the children are the LOD meshes.
DestroyLODGroup(targetGO, bDontDeletePersistantResources);
}
public static void DestroyMeshCollider(GameObject gameObject, bool bDontDeletePersistantResources)
{
MeshCollider targetMeshCollider = gameObject != null ? gameObject.GetComponent<MeshCollider>() : null;
if (targetMeshCollider != null)
{
Mesh targetColliderMesh = targetMeshCollider != null ? targetMeshCollider.sharedMesh : null;
if (targetColliderMesh != null)
{
if (!bDontDeletePersistantResources || !HEU_EditorUtility.IsPersistant(targetColliderMesh))
{
DestroyImmediate(targetColliderMesh);
}
targetColliderMesh = null;
targetMeshCollider.sharedMesh = null;
}
}
}
public static void DestroyMeshCollider(GameObject gameObject, bool bDontDeletePersistantResources)
{
MeshCollider targetMeshCollider = gameObject != null ? gameObject.GetComponent<MeshCollider>() : null;
if (targetMeshCollider != null)
{
Mesh targetColliderMesh = targetMeshCollider != null ? targetMeshCollider.sharedMesh : null;
if (targetColliderMesh != null)
{
if (!bDontDeletePersistantResources || !HEU_EditorUtility.IsPersistant(targetColliderMesh))
{
// Need to call DestroyImmediate with bAllowDestroyingAssets to force deleting the asset file
DestroyImmediate(targetColliderMesh, bAllowDestroyingAssets: true);
}
targetColliderMesh = null;
targetMeshCollider.sharedMesh = null;
}
}
}