public bool ExecuteTask()
{
lock (mInstLock)
{
if (mIsHalted)
{
return(true);
}
if (WaitingInstances.Count > 0)
{
for (int i = 0; WaitingInstances.Count > 0; ++i)
{
var data = WaitingInstances.First();
ActiveInstances.Add(data);
WaitingInstances.Remove(data);
}
if (Renderer.InstanceDataBuffer != null)
{
Renderer.InstanceDataBuffer.Dispose();
}
int size = Marshal.SizeOf(typeof(Models.MDX.MdxInstanceData));
Renderer.InstanceDataBuffer = new VertexBuffer(Game.GameManager.GraphicsThread.GraphicsManager.Device, ActiveInstances.Count * size, Usage.WriteOnly, VertexFormat.Diffuse, Pool.Managed);
DataStream strm = Renderer.InstanceDataBuffer.Lock(0, 0, LockFlags.None);
Models.MDX.MdxInstanceData[] InstData = ActiveInstances.ToArray();
strm.WriteRange(InstData);
Renderer.InstanceDataBuffer.Unlock();
Renderer.numInstances = ActiveInstances.Count;
}
}
return(WaitingInstances.Count == 0);
}
public void RemoveInstance(uint instanceId)
{
lock (mInstLock)
{
WaitingInstances.RemoveAll((inst) => inst.InstanceId == instanceId);
ActiveInstances.RemoveAll((inst) => inst.InstanceId == instanceId);
InvisibleInstances.RemoveAll((inst) => inst.InstanceId == instanceId);
}
lock (mIdLock)
{
mUsedInstances.Remove(instanceId);
mFreeInstances.Add(instanceId);
}
}
public MdxInstanceData GetInstanceById(uint id)
{
lock (mInstLock)
{
var sel = from file in WaitingInstances.Union(ActiveInstances).Union(InvisibleInstances)
where file.InstanceId == id
select file;
if (sel.Count() == 0)
{
throw new Exception();
}
return(sel.First());
}
}
public uint PushInstance(Vector3 Position, float scale, Vector3 rotation)
{
Matrix matRot = Matrix.Identity;
matRot *= Matrix.RotationX(rotation.X);
matRot *= Matrix.RotationY(rotation.Y);
matRot *= Matrix.RotationZ(rotation.Z);
Matrix matTrans = Matrix.Translation(Position);
Matrix matScale = Matrix.Scaling(scale, scale, scale);
Models.MDX.MdxInstanceData inst = new Models.MDX.MdxInstanceData()
{
ModelMatrix =
matRot * matScale * matTrans,
IsSelected = 0xFFFFFFFF,
};
uint id = 0;
lock (mInstLock)
{
id = RequestInstanceId();
inst.InstanceId = id;
WaitingInstances.Add(inst);
}
Game.GameManager.GraphicsThread.CallOnThread(
() =>
{
ExecuteTask();
},
true
);
return(id);
}
