public void AddCombineData(ICombineData data)
{
if (layer != data.GetLayer())
{
Debug.LogErrorFormat("can't add {0}[layer:{1}] to layer[{2}]:", data.GetName(), data.GetLayer(), layer);
return;
}
if (!data.CanCombine())
{
m_lstIgnore.Add(data);
}
else
{
Material mat = data.GetMaterial();
if (!m_dictMatCombine.ContainsKey(mat))
{
m_dictMatCombine.Add(mat, new List <ICombineData>());
}
m_dictMatCombine[mat].Add(data);
}
}
public static GameObject CombineMesh(List <ICombineData> lstCombineData, Material mat, bool bDestory = false)
{
if (lstCombineData.Count <= CombineCountLimit)
{
Debug.LogWarning("lstGameObject.Count <= 1, don't need Combine");
return(null);
}
List <CombineInstance> combines = new List <CombineInstance>();
int nTotalVerts = 0;
//int nLightMapIndex = -1;
for (int i = 0; i < lstCombineData.Count; ++i)
{
ICombineData combineData = lstCombineData[i];
Renderer renderer = combineData.GetRenderer();
Mesh mesh = combineData.GetMesh();
if (renderer == null || mesh == null)
{
Debug.LogErrorFormat("[CombineMesh] {0} renderer == null || mesh == null", combineData.GetName());
return(null);
}
if (renderer.lightmapIndex > 0)
{
Debug.LogErrorFormat("{0}'s lightmap index is {1}", combineData.GetName(), renderer.lightmapIndex);
return(null);
}
//nLightMapIndex = renderer.lightmapIndex;
nTotalVerts += mesh.vertexCount;
if (nTotalVerts > 16384)
{
Debug.LogError("[CombineMesh] total verts larger than 16384");
return(null);
}
CombineInstance combineInstance = new CombineInstance();
combineInstance.mesh = UnityEngine.Object.Instantiate <Mesh>(mesh);
RemapLightmapUv(combineInstance.mesh, renderer);
combineInstance.transform = renderer.transform.localToWorldMatrix;
combines.Add(combineInstance);
}
int nId = CombineRegionMgr.Instance.combineTargetRoot.childCount + 1;
string szCombineName = string.Format("_Combine_{0}", nId);
GameObject combineGameobject = new GameObject(szCombineName);
combineGameobject.transform.localPosition = Vector3.zero;
combineGameobject.transform.localRotation = Quaternion.identity;
combineGameobject.transform.localScale = Vector3.one;
Mesh combineMesh = new Mesh();
combineMesh.name = szCombineName;
combineMesh.CombineMeshes(combines.ToArray(), true, true);
combineMesh.Optimize();
//combineMesh.normals = null;
//combineMesh.tangents = null;
MeshFilter filter = combineGameobject.AddComponent <MeshFilter>();
filter.sharedMesh = combineMesh;
Renderer render = combineGameobject.AddComponent <MeshRenderer>();
render.sharedMaterial = mat;
render.lightmapIndex = 0;
render.lightmapScaleOffset = new Vector4(1, 1, 0, 0);
render.shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.Off;
if (!bDestory)
{
GameObject hideRoot = new GameObject(szCombineName);
hideRoot.transform.parent = CombineRegionMgr.Instance.combineSrcRoot;
for (int i = 0; i < lstCombineData.Count; ++i)
{
lstCombineData[i].GetRenderer().transform.parent = hideRoot.transform;
//lstCombineData[i].SetActive(false);
}
hideRoot.SetActive(false);
}
else
{
for (int i = 0; i < lstCombineData.Count; ++i)
{
UnityEngine.Object.DestroyImmediate(lstCombineData[i].GetRenderer().gameObject);
}
}
CombineLightData combineLight = combineGameobject.AddComponent <CombineLightData>();
combineLight.lightMapIndex = render.lightmapIndex;
combineLight.lightMapScaleOffset = render.lightmapScaleOffset;
combineGameobject.transform.parent = CombineRegionMgr.Instance.combineTargetRoot;
return(combineGameobject);
}