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);
}
internal void UpdateVisibility()
{
lock (mInstLock)
{
if (mIsHalted)
{
return;
}
List <Models.MDX.MdxInstanceData> VisibleInstances = new List <Models.MDX.MdxInstanceData>();
List <Models.MDX.MdxInstanceData> TmpInvis = new List <Models.MDX.MdxInstanceData>();
bool changed = false;
foreach (var inst in InvisibleInstances)
{
if (IsInstanceVisible(new Vector3(inst.ModelMatrix.M41, inst.ModelMatrix.M42, inst.ModelMatrix.M43)))
{
changed = true;
VisibleInstances.Add(inst);
}
else
{
TmpInvis.Add(inst);
}
}
foreach (var inst in ActiveInstances)
{
if (IsInstanceVisible(new Vector3(inst.ModelMatrix.M41, inst.ModelMatrix.M42, inst.ModelMatrix.M43)))
{
VisibleInstances.Add(inst);
}
else
{
changed = true;
TmpInvis.Add(inst);
}
}
ActiveInstances = VisibleInstances;
InvisibleInstances = TmpInvis;
Renderer.numInstances = ActiveInstances.Count;
if (ActiveInstances.Count == 0)
{
return;
}
if (changed == false && mUpdateLists == false)
{
return;
}
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;
mUpdateLists = false;
}
}
