private void Combine(HLODBuildInfo info, dynamic options)
{
var renderers = info.renderers;
var atlas = m_Packer.GetAtlas(info);
var atlasLookup = new Dictionary <Texture2D, Rect>();
for (int i = 0; i < atlas.MultipleTextures.Length; ++i)
{
atlasLookup[atlas.MultipleTextures[i].textureList[0]] = atlas.UVs[i];
}
List <TextureInfo> textureInfoList = options.TextureInfoList;
var combineInstances = new List <CombineInstance>();
var combinedMesh = new Mesh();
for (int i = 0; i < info.renderers.Count; ++i)
{
var mf = info.renderers[i].GetComponent <MeshFilter>();
if (mf == null)
{
continue;
}
var mesh = ConvertMesh(mf, info.simplifiedMeshes[i], atlasLookup, textureInfoList[0]);
for (int j = 0; j < mesh.subMeshCount; ++j)
{
var ci = new CombineInstance();
ci.mesh = mesh;
ci.subMeshIndex = j;
Matrix4x4 mat = mf.transform.localToWorldMatrix;
Vector3 position = m_hlod.transform.position;
mat.m03 -= position.x;
mat.m13 -= position.y;
mat.m23 -= position.z;
ci.transform = mat;
combineInstances.Add(ci);
}
}
combinedMesh.indexFormat = IndexFormat.UInt32;
combinedMesh.CombineMeshes(combineInstances.ToArray());
combinedMesh.RecalculateBounds();
var go = new GameObject(info.name);
var meshRenderer = go.AddComponent <MeshRenderer>();
var meshFilter = go.AddComponent <MeshFilter>();
go.transform.SetParent(m_hlod.transform);
meshFilter.sharedMesh = combinedMesh;
meshRenderer.material = GetMaterial(options, atlas.PackedTexture);
info.combinedGameObjects.Add(go);
}
private void Combine(Vector3 rootPosition, TexturePacker packer, HLODBuildInfo info, dynamic options)
{
var atlas = packer.GetAtlas(info);
if (atlas == null)
{
return;
}
List <TextureInfo> textureInfoList = options.TextureInfoList;
List <MeshCombiner.CombineInfo> combineInfos = new List <MeshCombiner.CombineInfo>();
for (int i = 0; i < info.WorkingObjects.Count; ++i)
{
var obj = info.WorkingObjects[i];
ConvertMesh(obj.Mesh, obj.Materials, atlas, textureInfoList[0].InputName);
for (int si = 0; si < obj.Mesh.subMeshCount; ++si)
{
var ci = new MeshCombiner.CombineInfo();
ci.Mesh = obj.Mesh;
ci.MeshIndex = si;
ci.Transform = obj.LocalToWorld;
ci.Transform.m03 -= rootPosition.x;
ci.Transform.m13 -= rootPosition.y;
ci.Transform.m23 -= rootPosition.z;
combineInfos.Add(ci);
}
}
MeshCombiner combiner = new MeshCombiner();
WorkingMesh combinedMesh = combiner.CombineMesh(Allocator.Persistent, combineInfos);
WorkingObject newObj = new WorkingObject(Allocator.Persistent);
WorkingMaterial newMat = m_createdMaterials[atlas].Clone();
combinedMesh.name = info.Name + "_Mesh";
newObj.Name = info.Name;
newObj.SetMesh(combinedMesh);
newObj.Materials.Add(newMat);
info.WorkingObjects.Dispose();
info.WorkingObjects = new DisposableList <WorkingObject>();
info.WorkingObjects.Add(newObj);
}