static BlobAssetReference <Collider> CreateMeshTerrain(NativeArray <float> heights, int2 size, float3 scale)
{
var vertices = new NativeList <float3>(Allocator.Temp);
var triangles = new NativeList <int3>(Allocator.Temp);
var vertexIndex = 0;
for (int i = 0; i < size.x - 1; i++)
{
for (int j = 0; j < size.y - 1; j++)
{
int i0 = i;
int i1 = i + 1;
int j0 = j;
int j1 = j + 1;
float3 v0 = new float3(i0, heights[i0 + size.x * j0], j0) * scale;
float3 v1 = new float3(i1, heights[i1 + size.x * j0], j0) * scale;
float3 v2 = new float3(i0, heights[i0 + size.x * j1], j1) * scale;
float3 v3 = new float3(i1, heights[i1 + size.x * j1], j1) * scale;
vertices.Add(v1);
vertices.Add(v0);
vertices.Add(v2);
vertices.Add(v1);
vertices.Add(v2);
vertices.Add(v3);
triangles.Add(new int3(vertexIndex++, vertexIndex++, vertexIndex++));
triangles.Add(new int3(vertexIndex++, vertexIndex++, vertexIndex++));
}
}
return(MeshCollider.Create(vertices, triangles));
}
void ProcessFrameCache()
{
Profiler.BeginSample("Create Mesh Entities");
while (_frameCaches.Count > 0)
{
var cached = _frameCaches.Dequeue();
var id = cached.Identity;
var results = cached.Results;
var renderEntities = GetResizedCache(id, results.Length);
InitializeEntities(renderEntities,
id.ChunkId * UnivoxDefine.AxisSize); //ChunkID doubles as unscaled position
for (var j = 0; j < renderEntities.Length; j++)
{
var renderEntity = renderEntities[j];
var meshData = EntityManager.GetComponentData <ChunkRenderMesh>(renderEntity);
var mesh = results[j].Mesh;
var materialId = results[j].Material;
var batchId = new BatchGroupIdentity()
{
Chunk = id, MaterialIdentity = materialId
};
var meshVerts = mesh.vertices;
var nativeMeshVerts = new NativeArray <float3>(meshVerts.Length, Allocator.Temp,
NativeArrayOptions.UninitializedMemory);
for (var i = 0; i < meshVerts.Length; i++)
{
nativeMeshVerts[i] = meshVerts[i];
}
var meshTris = mesh.triangles;
var nativeMeshTris = new NativeArray <int>(meshTris.Length, Allocator.Temp,
NativeArrayOptions.UninitializedMemory);
for (var i = 0; i < meshTris.Length; i++)
{
nativeMeshTris[i] = meshTris[i];
}
var collider = MeshCollider.Create(nativeMeshVerts, nativeMeshTris, CollisionFilter.Default);
// var physSys = EntityManager.World.GetOrCreateSystem<BuildPhysicsWorld>();
nativeMeshTris.Dispose();
nativeMeshVerts.Dispose();
// var physicsData = new PhysicsCollider()
// {
// Material = new BlobAssetReference<Collider>()
// };
// var temp = new BlobAssetReference<Collider>()
// {
// Material = new Collider()
// {
// Filter = new CollisionFilter()
// {
//
// },
// }
// };
meshData.CastShadows = ShadowCastingMode.On;
meshData.ReceiveShadows = true;
// meshData.layer = VoxelLayer //TODO
mesh.UploadMeshData(true);
// meshData.Mesh = mesh;
meshData.Batch = batchId;
_renderSystem.UploadMesh(batchId, mesh);
// if (GameManager.Registry.ArrayMaterials.TryGetValue(materialIdentity, out var arrayMaterial))
// {
// meshData.material = arrayMaterial.Material;
// }
// else
// {
// meshData.material = _defaultMaterial;
// }
EntityManager.SetComponentData(renderEntity, new PhysicsCollider()
{
Value = collider
});
EntityManager.SetComponentData(renderEntity, meshData);
}
}
Profiler.EndSample();
}