private void CreateContainerGameObject(CSGModel model)
{
var modelScene = model.gameObject.scene;
var oldActiveScene = UnityEngine.SceneManagement.SceneManager.GetActiveScene();
if (modelScene != oldActiveScene)
{
UnityEngine.SceneManagement.SceneManager.SetActiveScene(modelScene);
}
try
{
CSGNodeHierarchyManager.ignoreNextChildrenChanged = true;
var gameObject = new GameObject(GeneratedContainerName);
var transform = gameObject.GetComponent <Transform>();
CSGNodeHierarchyManager.ignoreNextChildrenChanged = true;
transform.SetParent(model.transform, false);
CSGNodeHierarchyManager.ignoreNextChildrenChanged = false;
transform.localPosition = Vector3.zero;
transform.localRotation = Quaternion.identity;
transform.localScale = Vector3.one;
model.GeneratedDataContainer = gameObject;
model.GeneratedDataTransform = transform;
model.OnInitialize();
}
finally
{
if (modelScene != oldActiveScene)
{
UnityEngine.SceneManagement.SceneManager.SetActiveScene(oldActiveScene);
}
}
}
static readonly ModelState __modelState = new ModelState(); // static to avoid allocations
public void Rebuild(CSGModel model)
{
if (model.generatedMeshes == null ||
model.generatedMeshes.Length == 0)
{
// Destroy leftover components in model lookups
DestroyAllRegisteredGeneratedComponentsInModel(model);
RemoveContainerGameObject(model);
}
else
{
if (!model.IsInitialized)
{
model.OnInitialize();
}
if (!model.GeneratedDataTransform)
{
DestroyAllRegisteredGeneratedComponentsInModel(model);
CreateContainerGameObject(model);
}
var modelGameObject = model.gameObject;
#if UNITY_EDITOR
__modelState.staticFlags = UnityEditor.GameObjectUtility.GetStaticEditorFlags(modelGameObject);
#endif
__modelState.modelGameObject = modelGameObject;
__modelState.modelTransform = model.hierarchyItem.Transform;
__modelState.layer = modelGameObject.layer;
__modelState.containerGameObject = model.GeneratedDataContainer;
__modelState.containerTransform = model.GeneratedDataTransform;
__modelState.existingRenderComponents = model.generatedRenderComponents;
__modelState.existingMeshColliders = model.generatedMeshColliders;
UpdateModelFlags(model);
UpdateContainerFlags(model, __modelState);
// Build components for generatedMesh, re-use existing components if they're available (& remove from lookups)
updateMeshRenderers.Clear();
updateMeshColliders.Clear();
for (int i = 0; i < model.generatedMeshes.Length; i++)
{
var generatedMesh = model.generatedMeshes[i];
BuildComponents(model, __modelState, generatedMesh);
}
UpdateComponents(model, updateMeshRenderers, updateMeshColliders);
updateMeshRenderers.Clear();
updateMeshColliders.Clear();
// Destroy leftover components in model lookups
DestroyAllRegisteredGeneratedComponentsInModel(model);
// Rebuild component lookup tables used by generatedMeshes
BuildGeneratedComponentLookupTables(model);
var containerTransform = __modelState.containerTransform;
for (int c = containerTransform.childCount - 1; c >= 0; c--)
{
var child = containerTransform.GetChild(c);
if (!model.generatedComponents.Contains(child))
{
CSGObjectUtility.SafeDestroy(child.gameObject);
}
}
}
// to avoid dangling memory
__modelState.modelGameObject = null;
__modelState.modelTransform = null;
__modelState.containerGameObject = null;
__modelState.containerTransform = null;
}
