static int FinishMeshUpdates(CSGTree tree,
ref VertexBufferContents vertexBufferContents,
ref Mesh.MeshDataArray meshDataArray,
NativeList <ChiselMeshUpdate> colliderMeshUpdates,
NativeList <ChiselMeshUpdate> debugHelperMeshes,
NativeList <ChiselMeshUpdate> renderMeshes,
JobHandle dependencies)
{
ChiselModel model = null;
for (int m = 0; m < registeredModels.Count; m++)
{
if (!registeredModels[m])
{
continue;
}
if (registeredModels[m].Node == tree)
{
model = registeredModels[m];
}
}
if (model == null)
{
if (meshDataArray.Length > 0)
{
meshDataArray.Dispose();
}
meshDataArray = default;
return(0);
}
if (!ChiselGeneratedObjects.IsValid(model.generated))
{
if (model.generated != null)
{
model.generated.Destroy();
}
model.generated = ChiselGeneratedObjects.Create(model.gameObject);
}
var count = model.generated.FinishMeshUpdates(model, model.gameObject, ref meshDataArray, ref vertexBufferContents,
colliderMeshUpdates, debugHelperMeshes, renderMeshes,
dependencies);
componentGenerator.Rebuild(model);
PostUpdateModel?.Invoke(model);
return(count);
}
public static void UpdateModels()
{
// Update the tree meshes
if (!CSGManager.Flush())
{
ChiselGeneratedComponentManager.DelayedUVGeneration();
if (sharedUnityMeshes.FindAllUnusedUnityMeshes())
{
sharedUnityMeshes.DestroyNonRecycledUnusedUnityMeshes();
}
return; // Nothing to update ..
}
for (int m = 0; m < registeredModels.Count; m++)
{
var model = registeredModels[m];
if (!model)
{
continue;
}
var tree = model.Node;
// See if the tree has been modified
if (!tree.Dirty)
{
continue;
}
try
{
if (PreUpdateModel != null)
{
PreUpdateModel(model);
}
}
catch (Exception ex) // if there's a bug in user-code we don't want to end up in a bad state
{
Debug.LogException(ex);
}
UpdateModelMeshDescriptions(model);
// Re-use existing UnityEngine.Mesh if they exist
sharedUnityMeshes.ReuseExistingMeshes(model);
updateList.Add(model);
}
bool modifications = false;
try
{
// Find all meshes whose refCounts are 0
sharedUnityMeshes.FindAllUnusedUnityMeshes();
// Separate loop so we can re-use garbage collected UnityEngine.Meshes to avoid allocation costs
for (int m = 0; m < updateList.Count; m++)
{
var model = updateList[m];
// Generate new UnityEngine.Mesh instances and fill them with data from the CSG algorithm (if necessary)
// note: reuses garbage collected meshes when possible
sharedUnityMeshes.CreateNewMeshes(model);
// Generate (or re-use) components and set them up properly
componentGenerator.Rebuild(model);
}
}
finally
{
for (int m = 0; m < updateList.Count; m++)
{
var model = updateList[m];
try
{
modifications = true;
if (PostUpdateModel != null)
{
PostUpdateModel(model);
}
}
catch (Exception ex) // if there's a bug in user-code we don't want to end up in a bad state
{
Debug.LogException(ex);
}
}
updateList.Clear();
}
// Destroy all meshes whose refCounts are 0
sharedUnityMeshes.DestroyNonRecycledUnusedUnityMeshes();
if (modifications)
{
if (PostUpdateModels != null)
{
PostUpdateModels();
}
}
}
public static void UpdateModels()
{
// Update the tree meshes
Profiler.BeginSample("Flush");
try
{
if (!CSGManager.Flush())
{
ChiselGeneratedComponentManager.DelayedUVGeneration();
return; // Nothing to update ..
}
}
finally
{
Profiler.EndSample();
}
#if UNITY_EDITOR
ChiselGeneratedComponentManager.OnVisibilityChanged();
#endif
for (int m = 0; m < registeredModels.Count; m++)
{
var model = registeredModels[m];
if (!model)
{
continue;
}
var tree = model.Node;
// See if the tree has been modified
if (!tree.Dirty)
{
continue;
}
Profiler.BeginSample("UpdateModelMeshDescriptions");
UpdateModelMeshDescriptions(model);
Profiler.EndSample();
updateList.Add(model);
}
bool modifications = false;
try
{
for (int m = 0; m < updateList.Count; m++)
{
var model = updateList[m];
// Generate (or re-use) components and set them up properly
Profiler.BeginSample("componentGenerator.Rebuild");
componentGenerator.Rebuild(model);
Profiler.EndSample();
}
}
finally
{
for (int m = 0; m < updateList.Count; m++)
{
var model = updateList[m];
try
{
modifications = true;
Profiler.BeginSample("PostUpdateModel");
PostUpdateModel?.Invoke(model);
Profiler.EndSample();
}
catch (Exception ex) // if there's a bug in user-code we don't want to end up in a bad state
{
Debug.LogException(ex);
}
}
updateList.Clear();
}
if (modifications)
{
Profiler.BeginSample("PostUpdateModels");
PostUpdateModels?.Invoke();
Profiler.EndSample();
}
}