private void GenerateMesh()
{
myVertices = new Vector3[(myXLength + 1) * (myZLength + 1)];
NativeArray <Vector3> vertices = new NativeArray <Vector3>((myXLength + 1) * (myZLength + 1), Allocator.Persistent);
myTriangles = new int[myXLength * myZLength * 6];
NativeArray <int> triangles = new NativeArray <int>(myXLength * myZLength * 6, Allocator.Persistent);
var job = new MeshGeneratorJob()
{
myVertices = vertices,
myTriangles = triangles,
myXLength = myXLength,
myZLength = myZLength
};
JobHandle jobHandle = job.Schedule();
jobHandle.Complete();
job.myVertices.CopyTo(myVertices);
job.myTriangles.CopyTo(myTriangles);
vertices.Dispose();
triangles.Dispose();
SetMesh();
}
protected override JobHandle OnUpdate(JobHandle inputDeps)
{
// Create a location to recieve data back from the thread
NativeArray <Entity> entity = new NativeArray <Entity>(1, Allocator.TempJob);
// Create the job
// Passing in the Vertex and Triangle buffers from the entity we are working on
// As well as the NativeArray we made to recieve the entity
MeshGeneratorJob meshGenJob = new MeshGeneratorJob()
{
vertexData = GetBufferFromEntity <MeshGeneratorVertexData>(false),
triangleData = GetBufferFromEntity <MeshGeneratorTriangleData>(false),
thisEntity = entity
};
JobHandle handle = meshGenJob.Schedule(this, inputDeps);
handle.Complete();
if (entity[0] == Entity.Null)
{
entity.Dispose();
return(handle);
}
// Once job is done we have the entity that we worked on
// So now that the job is over with we can remove the tag
// So it won't update anymore till we re-add the tag to
// Prompt a re-build
EntityManager.RemoveComponent(entity[0], typeof(MeshGeneratorTag));
var renderMesh = EntityManager.GetSharedComponentData <RenderMesh>(entity[0]);
NativeArray <Vector3> nativeVertexArray = GetBufferFromEntity <MeshGeneratorVertexData>(true)[entity[0]].Reinterpret <Vector3>().ToNativeArray(Allocator.TempJob);
NativeArray <int> nativeTriangleArray = GetBufferFromEntity <MeshGeneratorTriangleData>(true)[entity[0]].Reinterpret <int>().ToNativeArray(Allocator.TempJob);
mesh.vertices = nativeVertexArray.ToArray();
mesh.triangles = nativeTriangleArray.ToArray();
mesh.RecalculateNormals();
nativeVertexArray.Dispose();
nativeTriangleArray.Dispose();
EntityManager.SetSharedComponentData(entity[0], new RenderMesh
{
mesh = mesh
});
Debug.Log(EntityManager.GetSharedComponentData <RenderMesh>(entity[0]).mesh.vertexCount);
entity.Dispose();
return(handle);
}
