void GeneratorAttach(ref ECS_AnimatorSpawner spawnerData, EntityManager dstManager)
{
ECS_Provider provider = Prefab.GetComponent <ECS_Provider>();
spawnerData.AttachCount = provider.AttachDatas.Length;
List <Entity> LODList = new List <Entity>();
for (int attach = 0; attach < spawnerData.AttachCount; attach++)
{
AttachData attachData = provider.AttachDatas[attach];
GeneratorLOD(ref spawnerData, dstManager, LODList, attach, attachData);
}
spawnerData.AttachLOD = GeneratorEntityArr(LODList.ToArray());
}
void GeneratorLOD(ref ECS_AnimatorSpawner spawnerData, EntityManager dstManager, List <Entity> lodEntityList, int attachIndex, AttachData attachData)
{
dstManager.AddComponentData(spawnerData.Prefab, new MeshLODGroupComponent()
{
LODDistances0 = LODDistance,
LODDistances1 = LODDistance,
LocalReferencePoint = float3.zero
});
for (int lod = 0; lod < 2; lod++)
{
Entity lodEntity = Entity.Null;
GeneratorSubLOD(ref spawnerData, ref lodEntity, ref spawnerData.Prefab, lod, dstManager, attachIndex, attachData);
lodEntityList.Add(lodEntity);
}
}
/// <summary>
/// 生成结构为
/// Primary Entity (为ECS_SkinnedMatrixAnimator,MeshLODGroupComponent组件所在)
/// |-Attach0
/// | |-LOD0 (RenderMesh, RenderBound, MeshLODComponent)
/// | |-LOD1
/// |
/// |-Attach1
/// | |-LOD0
/// | |-LOD1
/// </summary>
/// <param name="entity"></param>
/// <param name="dstManager"></param>
/// <param name="conversionSystem"></param>
public void Convert(Entity entity, EntityManager dstManager, GameObjectConversionSystem conversionSystem)
{
var spawnerData = new ECS_AnimatorSpawner
{
//主Entity 为ECS_SkinnedMatrixAnimator组件所在
Prefab = conversionSystem.GetPrimaryEntity(Prefab),
CountX = CountX,
CountY = CountY,
};
if (true)
{
GeneratorAttach(ref spawnerData, dstManager);
}
dstManager.AddComponentData(entity, spawnerData);
}
void GeneratorSubLOD(ref ECS_AnimatorSpawner spawnData, ref Entity output, ref Entity hostEntity, int lod, EntityManager dstManager, int attachIndex, AttachData attachData)
{
var treeType = dstManager.CreateArchetype(
typeof(RenderMesh), // Rendering mesh
typeof(LocalToWorld), // Needed for rendering
typeof(Translation), // Transform position
typeof(Rotation), // Transform rotation
typeof(Scale), // Transform scale (version with X, Y and Z)
typeof(RenderBounds), //Bounds to tell the Renderer where it is
typeof(MeshLODComponent) //The actual LOD Component
);
Entity childOfGroup = dstManager.CreateEntity(treeType);
List <Mesh> lodMesh = new List <Mesh>();
lodMesh.Add(attachData.LODMesh[0]);
if (attachData.LODMesh.Length > 0)
{
lodMesh.Add(attachData.LODMesh[1]);
}
//需要创建lod,且有lod数据
if (lodMesh.Count > 1)
{
List <Material> lodMaterial = new List <Material>();
for (int i = 0; i < lodMesh.Count; i++)
{
lodMaterial.Add(attachData.DrawMaterial);
}
float4 lodDistances = LODDistance;//new float4(10f, 10000f, 10000f, 10000f);
float3 position = new float3(0, 5, 0);
CreateLODEntity(ref childOfGroup, ref hostEntity, lod, dstManager, lodMesh.Count, lodMesh.ToArray(), lodMaterial.ToArray(), lodDistances, position);
}
output = childOfGroup;
}