public void OneTextureMaterialOneMesh()
{
dynamic batcherOptions = CreateSimpleBatcherOptions();
GameObject hlodGameObject = new GameObject();
HLOD hlodComponent = hlodGameObject.AddComponent <HLOD>();
var obj1 = GameObject.Instantiate(m_mesh1material1T);
obj1.transform.SetParent(hlodComponent.transform);
obj1.transform.position = new Vector3(0.0f, 0.0f, 0.0f);
var obj2 = GameObject.Instantiate(m_mesh1material1T);
obj2.transform.SetParent(hlodComponent.transform);
obj2.transform.position = new Vector3(1.0f, 0.0f, 0.0f);
using (var buildInfo = CreateBuildInfo(hlodComponent))
using (SimpleBatcher batcher = new SimpleBatcher(batcherOptions))
{
batcher.Batch(hlodGameObject.transform.position, buildInfo, null);
Assert.AreEqual(buildInfo.Count, 1);
Assert.AreEqual(buildInfo[0].WorkingObjects.Count, 1);
}
}
public void Setup()
{
//1개의 매터리얼 1개의 메시를 이용하여 테스트
//1개의 매터리얼 2개의 메시를 이용
//2개의 매터리얼 2개의 메시를 이용
//2개의 매터리얼 3개의 메시를 이용
m_mesh1material1 = AssetDatabase.LoadAssetAtPath <GameObject>("Assets/TestAssets/Prefabs/RinNumber_LOD0_2.prefab");
m_mesh2material1 = AssetDatabase.LoadAssetAtPath <GameObject>("Assets/TestAssets/Prefabs/RinNumber_LOD1.prefab");
m_mesh2material2 = AssetDatabase.LoadAssetAtPath <GameObject>("Assets/TestAssets/Prefabs/RinNumber_LOD1_2.prefab");
m_mesh3material2 = AssetDatabase.LoadAssetAtPath <GameObject>("Assets/TestAssets/Prefabs/RinNumber_LOD2.prefab");
m_mesh1material1T = AssetDatabase.LoadAssetAtPath <GameObject>("Assets/TestAssets/Prefabs/RinNumber_LOD0T_2.prefab");
m_mesh2material1T = AssetDatabase.LoadAssetAtPath <GameObject>("Assets/TestAssets/Prefabs/RinNumber_LOD1T.prefab");
m_mesh2material2T = AssetDatabase.LoadAssetAtPath <GameObject>("Assets/TestAssets/Prefabs/RinNumber_LOD1T_2.prefab");
m_mesh3material2T = AssetDatabase.LoadAssetAtPath <GameObject>("Assets/TestAssets/Prefabs/RinNumber_LOD2T.prefab");
m_hlodGameObject = new GameObject();
m_hlodComponent = m_hlodGameObject.AddComponent <HLOD>();
m_buildInfoFunc = typeof(HLODCreator).GetMethod("CreateBuildInfo", BindingFlags.Static | BindingFlags.NonPublic);
var types = BatcherTypes.GetTypes();
for (int i = 0; i < types.Length; ++i)
{
if (types[i].Name == "MaterialPreservingBatcher")
{
m_batcherType = types[i];
}
}
}
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();
}
private DisposableList <HLODBuildInfo> CreateBuildInfo(HLOD hlod)
{
MethodInfo buildInfoFunc = typeof(HLODCreator).GetMethod("CreateBuildInfo", BindingFlags.Static | BindingFlags.NonPublic);
List <GameObject> hlodTargets = ObjectUtils.HLODTargets(hlod.gameObject);
ISpaceSplitter spliter = new QuadTreeSpaceSplitter(0.0f);
SpaceNode rootNode = spliter.CreateSpaceTree(hlod.GetBounds(), 5.0f, hlod.transform.position, hlodTargets, null);
return((DisposableList <HLODBuildInfo>)buildInfoFunc.Invoke(null, new object[] { rootNode, 0.0f }));
}
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();
}
protected static void OnGUIBase(HLOD hlod)
{
EditorGUI.indentLevel += 1;
hlod.SimplifyPolygonRatio = EditorGUILayout.Slider("Polygon Ratio", hlod.SimplifyPolygonRatio, 0.0f, 1.0f);
EditorGUILayout.LabelField("Triangle Range");
EditorGUI.indentLevel += 1;
hlod.SimplifyMinPolygonCount = EditorGUILayout.IntSlider("Min", hlod.SimplifyMinPolygonCount, 10, 100);
hlod.SimplifyMaxPolygonCount = EditorGUILayout.IntSlider("Max", hlod.SimplifyMaxPolygonCount, 10, 5000);
EditorGUI.indentLevel -= 1;
EditorGUI.indentLevel -= 1;
}
public void Setup()
{
GameObject prefab = AssetDatabase.LoadAssetAtPath <GameObject>(m_prefabName);
m_hlodGameObject = (GameObject)PrefabUtility.InstantiatePrefab(prefab);
PrefabUtility.UnpackPrefabInstance(m_hlodGameObject, PrefabUnpackMode.OutermostRoot, InteractionMode.AutomatedAction);
m_hlod = m_hlodGameObject.GetComponentInChildren <HLOD>();
var coroutine = CoroutineRunner.RunCoroutine(HLODCreator.Create(m_hlod));
while (coroutine.MoveNext())
{
//Wait until coroutine is finished
}
}
public void Setup()
{
Scene scene = EditorSceneManager.OpenScene("Assets/TestAssets/EditModeTestScene.unity");
GameObject[] gameObjects = scene.GetRootGameObjects();
mHlodGameObject = gameObjects[0].transform.Find("HLOD").gameObject;
hlod = mHlodGameObject.GetComponent <HLOD>() as HLOD;
var coroutine = CoroutineRunner.RunCoroutine(HLODCreator.Create(hlod));
while (coroutine.MoveNext())
{
//Wait until coroutine is finished
}
}
public static void UpdateBounds(HLOD hlod)
{
var renderers = hlod.GetComponentsInChildren <Renderer>();
Bounds bounds = renderers[0].bounds;
for (int i = 0; i != renderers.Length; i++)
{
bounds.Encapsulate(renderers[i].bounds);
}
var lodgroup = hlod.GetComponent <LODGroup>();
lodgroup.size = bounds.size.magnitude;
lodgroup.localReferencePoint = lodgroup.transform.InverseTransformPoint(bounds.center);
}
public IEnumerator Simplify(HLOD hlod)
{
yield break;
}
public NotUseSimplifier(HLOD hlod)
{
}
public NotSupportStreaming(HLOD hlod)
{
m_hlod = hlod;
}
public static void OnGUI(HLOD hlod)
{
OnGUIBase(hlod);
}
public UnityMeshSimplifier(HLOD hlod) : base(hlod)
{
}
public SimplifierBase(HLOD hlod)
{
m_hlod = hlod;
}
public void PackingTextureTest()
{
MethodInfo packingTextureMethod = typeof(SimpleBatcher).GetMethod("PackingTexture", BindingFlags.Instance | BindingFlags.NonPublic);
dynamic batcherOptions = CreateSimpleBatcherOptions();
GameObject hlodGameObject = new GameObject();
HLOD hlodComponent = hlodGameObject.AddComponent <HLOD>();
var obj1 = GameObject.Instantiate(m_material1T);
obj1.transform.SetParent(hlodComponent.transform);
obj1.transform.position = new Vector3(0.0f, 0.0f, 0.0f);
var obj2 = GameObject.Instantiate(m_material2T);
obj2.transform.SetParent(hlodComponent.transform);
obj2.transform.position = new Vector3(1.0f, 0.0f, 0.0f);
var obj3 = GameObject.Instantiate(m_material3T);
obj3.transform.SetParent(hlodComponent.transform);
obj3.transform.position = new Vector3(2.0f, 0.0f, 0.0f);
var obj4 = GameObject.Instantiate(m_material4T);
obj4.transform.SetParent(hlodComponent.transform);
obj4.transform.position = new Vector3(3.0f, 0.0f, 0.0f);
batcherOptions.PackTextureSize = 256;
batcherOptions.LimitTextureSize = 128;
using (var buildInfo = CreateBuildInfo(hlodComponent))
using (TexturePacker packer = new TexturePacker())
using (SimpleBatcher batcher = new SimpleBatcher(batcherOptions))
{
packingTextureMethod.Invoke(batcher, new object[] { packer, buildInfo, batcherOptions, null });
Assert.AreEqual(packer.GetAllAtlases().Length, 1);
var atlas = packer.GetAllAtlases()[0];
Assert.AreEqual(atlas.Objects[0], buildInfo[0]);
Assert.AreEqual(atlas.Textures.Count, 1);
var texture = atlas.Textures[0];
Assert.AreEqual(256, texture.Width);
Assert.AreEqual(256, texture.Height);
Assert.AreEqual(new Rect(0.0f, 0.0f, 0.5f, 0.5f),
atlas.GetUV(buildInfo[0].WorkingObjects[0].Materials[0].GetTexture("_MainTex").GetGUID()));
Assert.AreEqual(new Rect(0.5f, 0.0f, 0.5f, 0.5f),
atlas.GetUV(buildInfo[0].WorkingObjects[1].Materials[0].GetTexture("_MainTex").GetGUID()));
Assert.AreEqual(new Rect(0.0f, 0.5f, 0.5f, 0.5f),
atlas.GetUV(buildInfo[0].WorkingObjects[2].Materials[0].GetTexture("_MainTex").GetGUID()));
Assert.AreEqual(new Rect(0.5f, 0.5f, 0.5f, 0.5f),
atlas.GetUV(buildInfo[0].WorkingObjects[3].Materials[0].GetTexture("_MainTex").GetGUID()));
Assert.AreEqual(new Color(1.0f, 1.0f, 0.0f, 1.0f), texture.GetPixel(0, 0));
Assert.AreEqual(new Color(0.0f, 0.0f, 1.0f, 1.0f), texture.GetPixel(255, 0));
Assert.AreEqual(new Color(0.0f, 1.0f, 0.0f, 1.0f), texture.GetPixel(0, 255));
Assert.AreEqual(new Color(1.0f, 0.0f, 0.0f, 1.0f), texture.GetPixel(255, 255));
Assert.AreEqual(new Color(1.0f, 1.0f, 0.0f, 1.0f), texture.GetPixel(127, 127));
Assert.AreEqual(new Color(0.0f, 0.0f, 1.0f, 1.0f), texture.GetPixel(128, 127));
Assert.AreEqual(new Color(0.0f, 1.0f, 0.0f, 1.0f), texture.GetPixel(127, 128));
Assert.AreEqual(new Color(1.0f, 0.0f, 0.0f, 1.0f), texture.GetPixel(128, 128));
}
batcherOptions.PackTextureSize = 128;
batcherOptions.LimitTextureSize = 128;
using (var buildInfo = CreateBuildInfo(hlodComponent))
using (TexturePacker packer = new TexturePacker())
using (SimpleBatcher batcher = new SimpleBatcher(batcherOptions))
{
packingTextureMethod.Invoke(batcher, new object[] { packer, buildInfo, batcherOptions, null });
Assert.AreEqual(packer.GetAllAtlases().Length, 1);
var atlas = packer.GetAllAtlases()[0];
Assert.AreEqual(atlas.Objects[0], buildInfo[0]);
Assert.AreEqual(atlas.Textures.Count, 1);
var texture = atlas.Textures[0];
Assert.AreEqual(128, texture.Width);
Assert.AreEqual(128, texture.Height);
Assert.AreEqual(new Rect(0.0f, 0.0f, 0.5f, 0.5f),
atlas.GetUV(buildInfo[0].WorkingObjects[0].Materials[0].GetTexture("_MainTex").GetGUID()));
Assert.AreEqual(new Rect(0.5f, 0.0f, 0.5f, 0.5f),
atlas.GetUV(buildInfo[0].WorkingObjects[1].Materials[0].GetTexture("_MainTex").GetGUID()));
Assert.AreEqual(new Rect(0.0f, 0.5f, 0.5f, 0.5f),
atlas.GetUV(buildInfo[0].WorkingObjects[2].Materials[0].GetTexture("_MainTex").GetGUID()));
Assert.AreEqual(new Rect(0.5f, 0.5f, 0.5f, 0.5f),
atlas.GetUV(buildInfo[0].WorkingObjects[3].Materials[0].GetTexture("_MainTex").GetGUID()));
Assert.AreEqual(new Color(1.0f, 1.0f, 0.0f, 1.0f), texture.GetPixel(0, 0));
Assert.AreEqual(new Color(0.0f, 0.0f, 1.0f, 1.0f), texture.GetPixel(127, 0));
Assert.AreEqual(new Color(0.0f, 1.0f, 0.0f, 1.0f), texture.GetPixel(0, 127));
Assert.AreEqual(new Color(1.0f, 0.0f, 0.0f, 1.0f), texture.GetPixel(127, 127));
Assert.AreEqual(new Color(1.0f, 1.0f, 0.0f, 1.0f), texture.GetPixel(63, 63));
Assert.AreEqual(new Color(0.0f, 0.0f, 1.0f, 1.0f), texture.GetPixel(64, 63));
Assert.AreEqual(new Color(0.0f, 1.0f, 0.0f, 1.0f), texture.GetPixel(63, 64));
Assert.AreEqual(new Color(1.0f, 0.0f, 0.0f, 1.0f), texture.GetPixel(64, 64));
}
batcherOptions.PackTextureSize = 512;
batcherOptions.LimitTextureSize = 128;
using (var buildInfo = CreateBuildInfo(hlodComponent))
using (TexturePacker packer = new TexturePacker())
using (SimpleBatcher batcher = new SimpleBatcher(batcherOptions))
{
packingTextureMethod.Invoke(batcher, new object[] { packer, buildInfo, batcherOptions, null });
Assert.AreEqual(packer.GetAllAtlases().Length, 1);
var atlas = packer.GetAllAtlases()[0];
Assert.AreEqual(atlas.Objects[0], buildInfo[0]);
Assert.AreEqual(atlas.Textures.Count, 1);
var texture = atlas.Textures[0];
Assert.AreEqual(512, texture.Width);
Assert.AreEqual(512, texture.Height);
Assert.AreEqual(new Rect(0.0f, 0.0f, 0.25f, 0.25f),
atlas.GetUV(buildInfo[0].WorkingObjects[0].Materials[0].GetTexture("_MainTex").GetGUID()));
Assert.AreEqual(new Rect(0.5f, 0.0f, 0.25f, 0.25f),
atlas.GetUV(buildInfo[0].WorkingObjects[1].Materials[0].GetTexture("_MainTex").GetGUID()));
Assert.AreEqual(new Rect(0.0f, 0.5f, 0.25f, 0.25f),
atlas.GetUV(buildInfo[0].WorkingObjects[2].Materials[0].GetTexture("_MainTex").GetGUID()));
Assert.AreEqual(new Rect(0.5f, 0.5f, 0.25f, 0.25f),
atlas.GetUV(buildInfo[0].WorkingObjects[3].Materials[0].GetTexture("_MainTex").GetGUID()));
Assert.AreEqual(new Color(1.0f, 1.0f, 0.0f, 1.0f), texture.GetPixel(0, 0));
Assert.AreEqual(new Color(1.0f, 1.0f, 0.0f, 1.0f), texture.GetPixel(127, 127));
Assert.AreEqual(new Color(0.0f, 0.0f, 0.0f, 0.0f), texture.GetPixel(127, 128));
Assert.AreEqual(new Color(0.0f, 0.0f, 0.0f, 0.0f), texture.GetPixel(128, 127));
Assert.AreEqual(new Color(0.0f, 0.0f, 0.0f, 0.0f), texture.GetPixel(255, 255));
Assert.AreEqual(new Color(0.0f, 0.0f, 1.0f, 1.0f), texture.GetPixel(256, 0));
Assert.AreEqual(new Color(0.0f, 0.0f, 1.0f, 1.0f), texture.GetPixel(383, 127));
Assert.AreEqual(new Color(0.0f, 0.0f, 0.0f, 0.0f), texture.GetPixel(384, 127));
Assert.AreEqual(new Color(0.0f, 0.0f, 0.0f, 0.0f), texture.GetPixel(383, 128));
Assert.AreEqual(new Color(0.0f, 0.0f, 0.0f, 0.0f), texture.GetPixel(511, 255));
Assert.AreEqual(new Color(0.0f, 1.0f, 0.0f, 1.0f), texture.GetPixel(0, 256));
Assert.AreEqual(new Color(0.0f, 1.0f, 0.0f, 1.0f), texture.GetPixel(127, 383));
Assert.AreEqual(new Color(0.0f, 0.0f, 0.0f, 0.0f), texture.GetPixel(128, 383));
Assert.AreEqual(new Color(0.0f, 0.0f, 0.0f, 0.0f), texture.GetPixel(127, 384));
Assert.AreEqual(new Color(0.0f, 0.0f, 0.0f, 0.0f), texture.GetPixel(255, 511));
Assert.AreEqual(new Color(1.0f, 0.0f, 0.0f, 1.0f), texture.GetPixel(256, 256));
Assert.AreEqual(new Color(1.0f, 0.0f, 0.0f, 1.0f), texture.GetPixel(383, 383));
Assert.AreEqual(new Color(0.0f, 0.0f, 0.0f, 0.0f), texture.GetPixel(384, 383));
Assert.AreEqual(new Color(0.0f, 0.0f, 0.0f, 0.0f), texture.GetPixel(383, 384));
Assert.AreEqual(new Color(0.0f, 0.0f, 0.0f, 0.0f), texture.GetPixel(511, 511));
}
}
public void Setup()
{
m_prefab = AssetDatabase.LoadAssetAtPath <GameObject>("Assets/TestAssets/Prefabs/RinNumber.prefab");
m_prefabMesh = AssetDatabase.LoadAssetAtPath <GameObject>("Assets/TestAssets/Prefabs/RinNumber_LOD3.prefab");
m_buildInfoFunc = typeof(HLODCreator).GetMethod("CreateBuildInfo", BindingFlags.Static | BindingFlags.NonPublic);
m_hlodRootGameObject = new GameObject();
m_hlodComponent = m_hlodRootGameObject.AddComponent <HLOD>();
var obj1 = GameObject.Instantiate(m_prefab);
obj1.transform.SetParent(m_hlodRootGameObject.transform);
obj1.transform.position = new Vector3(0.0f, 0.0f, 0.0f);
m_includeObjects.Add(obj1);
var obj2 = GameObject.Instantiate(m_prefab);
obj2.transform.SetParent(m_hlodRootGameObject.transform);
obj2.transform.position = new Vector3(10.0f, 0.0f, -10.0f);
m_includeObjects.Add(obj2);
var obj3 = GameObject.Instantiate(m_prefab);
obj3.transform.SetParent(m_hlodRootGameObject.transform);
obj3.transform.position = new Vector3(-10.0f, 0.0f, -10.0f);
m_includeObjects.Add(obj3);
var obj4 = GameObject.Instantiate(m_prefab);
obj4.transform.SetParent(m_hlodRootGameObject.transform);
obj4.transform.position = new Vector3(10.0f, 0.0f, 10.0f);
m_includeObjects.Add(obj4);
var obj5 = GameObject.Instantiate(m_prefab);
obj5.transform.SetParent(m_hlodRootGameObject.transform);
obj5.transform.position = new Vector3(-10.0f, 0.0f, 10.0f);
m_includeObjects.Add(obj5);
var obj6 = GameObject.Instantiate(m_prefabMesh);
obj6.transform.SetParent(m_hlodRootGameObject.transform);
obj6.transform.position = new Vector3(-5.0f, 0.0f, -5.0f);
obj6.transform.localScale = new Vector3(0.1f, 0.1f, 0.1f);
m_includeObjects.Add(obj6);
var obj7 = GameObject.Instantiate(m_prefabMesh);
obj7.transform.SetParent(m_hlodRootGameObject.transform);
obj7.transform.position = new Vector3(-5.0f, 0.0f, 5.0f);
obj7.transform.localScale = new Vector3(0.3f, 0.3f, 0.3f);
m_includeObjects.Add(obj7);
var obj8 = GameObject.Instantiate(m_prefabMesh);
obj8.transform.SetParent(m_hlodRootGameObject.transform);
obj8.transform.position = new Vector3(5.0f, 0.0f, -5.0f);
obj8.transform.localScale = new Vector3(2.0f, 2.0f, 2.0f);
m_includeObjects.Add(obj8);
var obj9 = GameObject.Instantiate(m_prefabMesh);
obj9.transform.SetParent(m_hlodRootGameObject.transform);
obj9.transform.position = new Vector3(5.0f, 0.0f, 5.0f);
obj9.transform.localScale = new Vector3(5.0f, 5.0f, 5.0f);
m_includeObjects.Add(obj9);
//this should be exclude.
var obj10 = new GameObject();
obj10.transform.SetParent(m_hlodRootGameObject.transform);
obj10.transform.position = new Vector3(40.0f, 0.0f, 40.0f);
m_excludeObjects.Add(obj10);
var obj11 = new GameObject();
obj11.transform.SetParent(m_hlodRootGameObject.transform);
obj11.transform.position = new Vector3(-40.0f, 0.0f, -40.0f);
m_excludeObjects.Add(obj11);
}
public static void GenerateCombinedMesh(HLOD hlod, Transform sourceLOD, Transform generatedLOD, int lodIndex, List <Mesh> generatedMeshes)
{
const float fieldOfView = 60.0F;
const float distanceBias = 0.0F;
var instances = new Dictionary <Material, List <CombineInstance> >();
var lodGroups = sourceLOD.GetComponentsInChildren <LODGroup>();
var hlodSwitchDistance = LODGroupExtensions.CalculateLODSwitchDistance(fieldOfView, hlod.GetComponent <LODGroup>(), lodIndex - 1);
foreach (var group in lodGroups)
{
float cullingDistance = LODGroupExtensions.CalculateLODSwitchDistance(fieldOfView, group, group.lodCount - 1);
if (cullingDistance + distanceBias < hlodSwitchDistance)
{
continue;
}
var renderers = group.GetLODs()[group.lodCount - 1].renderers;
foreach (var renderer in renderers)
{
var meshRenderer = renderer as MeshRenderer;
if (meshRenderer == null)
{
continue;
}
var instance = new CombineInstance();
instance.transform = generatedLOD.worldToLocalMatrix * renderer.transform.localToWorldMatrix;
var materials = meshRenderer.sharedMaterials;
for (int m = 0; m != materials.Length; m++)
{
if (!instances.ContainsKey(materials[m]))
{
instances[materials[m]] = new List <CombineInstance>();
}
instance.mesh = meshRenderer.GetComponent <MeshFilter>().sharedMesh;
instance.subMeshIndex = m;
instances[materials[m]].Add(instance);
}
}
}
while (generatedLOD.childCount != 0)
{
Object.DestroyImmediate(generatedLOD.GetChild(0).gameObject);
}
var generatedRenderers = new List <Renderer>();
foreach (var instance in instances)
{
var mesh = new Mesh();
mesh.name = "CombinedLowLOD";
mesh.CombineMeshes(instance.Value.ToArray(), true, true, false);
var go = new GameObject("CombinedLowLOD", typeof(MeshRenderer), typeof(MeshFilter));
go.GetComponent <MeshFilter>().sharedMesh = mesh;
go.GetComponent <MeshRenderer>().sharedMaterial = instance.Key;
generatedRenderers.Add(go.GetComponent <MeshRenderer>());
generatedMeshes.Add(mesh);
go.transform.SetParent(generatedLOD, false);
}
var lodGroup = generatedLOD.GetComponent <LODGroup>();
var lods = lodGroup.GetLODs();
lods[0].renderers = generatedRenderers.ToArray();
lodGroup.SetLODs(lods);
}