public static void CreateBuildingHLOD()
{
if (PrefabStageUtility.GetCurrentPrefabStage() == null ||
PrefabStageUtility.GetCurrentPrefabStage().prefabContentsRoot == null)
{
Debug.LogWarning("Setup HLOD can only be used while prefab editing.");
return;
}
var parent = PrefabStageUtility.GetCurrentPrefabStage().prefabContentsRoot.transform;
if (parent.GetComponent <LODGroup>() != null || parent.GetComponent <HLOD>() != null)
{
Debug.LogWarning("HLOD is already setup on this hierarchy");
return;
}
EditorSceneManager.MarkSceneDirty(parent.gameObject.scene);
var lowLOD = CreateLowLod();
var highLOD = new GameObject("High LOD").transform;
while (parent.childCount != 0)
{
parent.GetChild(0).SetParent(highLOD, false);
}
lowLOD.SetParent(parent, false);
highLOD.SetParent(parent, false);
parent.gameObject.AddComponent(typeof(HLOD));
var hlod = parent.GetComponent <HLOD>();
Transform[] transforms = { highLOD, lowLOD };
hlod.LODParentTransforms = transforms;
var lodgroup = parent.GetComponent <LODGroup>();
var lods = lodgroup.GetLODs();
lods[0].screenRelativeTransitionHeight = 0.3F;
lods[1].screenRelativeTransitionHeight = 0.02F;
ArrayUtility.RemoveAt(ref lods, 2);
lodgroup.SetLODs(lods);
UpdateBounds(hlod);
var generatedMeshes = new List <Mesh>();
GenerateCombinedMesh(hlod, highLOD, lowLOD, 1, generatedMeshes);
WriteMeshAsset(generatedMeshes);
HLOD.InvalidateHLODCache();
}
public static void GenerateCombinedMesh()
{
if (PrefabStageUtility.GetCurrentPrefabStage() == null ||
PrefabStageUtility.GetCurrentPrefabStage().prefabContentsRoot == null)
{
Debug.LogWarning("UpdateCombinedMesh can only be used while prefab editing.");
return;
}
var root = PrefabStageUtility.GetCurrentPrefabStage().prefabContentsRoot;
var hlod = root.GetComponent <HLOD>();
if (hlod == null)
{
Debug.LogWarning("UpdateCombinedMesh requires a correctly configured HLOD setup");
return;
}
EditorSceneManager.MarkSceneDirty(root.gameObject.scene);
var hlodTransforms = hlod.LODParentTransforms;
var lodCount = hlod.GetComponent <LODGroup>().lodCount;
while (lodCount < hlodTransforms.Length)
{
if (hlodTransforms[hlodTransforms.Length - 1])
{
Object.DestroyImmediate(hlodTransforms[hlodTransforms.Length - 1].gameObject);
}
ArrayUtility.RemoveAt(ref hlodTransforms, hlodTransforms.Length - 1);
}
System.Array.Resize(ref hlodTransforms, lodCount);
var generatedMeshes = new List <Mesh>();
for (int i = 1; i < lodCount; i++)
{
if (hlodTransforms[i] == null)
{
hlodTransforms[i] = CreateLowLod();
hlodTransforms[i].SetParent(root.transform, false);
}
GenerateCombinedMesh(hlod, hlod.LODParentTransforms[0], hlodTransforms[i], i, generatedMeshes);
}
hlod.LODParentTransforms = hlodTransforms;
WriteMeshAsset(generatedMeshes);
HLOD.InvalidateHLODCache();
}