public unsafe int AddInstances(int model, List <MyInstanceData> instances)
{
InstancedModelBuffer buffer;
if (!m_instancedModels.TryGetValue(model, out buffer))
{
buffer = new InstancedModelBuffer(this, model);
buffer.SetPerInstanceLod(Lod == 0);
m_instancedModels[model] = buffer;
}
buffer.Instances = instances.GetInternalArray();
var count = instances.Count;
fixed(MyInstanceData *data = buffer.Instances)
for (int i = 0; i < count; i++)
{
BoundingBox modelBox = buffer.ModelBb.Transform(data[i].LocalMatrix);
buffer.Bounds.Include(ref modelBox);
}
// Fix the unused slot lists
buffer.UnusedSlots.Clear();
for (int i = count; i < instances.Capacity; ++i)
{
buffer.UnusedSlots.Enqueue((short)(i));
}
m_changedBuffers.Add(model);
return(0);
}
public short AddInstance(int modelId, ref MyInstanceData data)
{
InstancedModelBuffer buffer;
if (!m_instancedModels.TryGetValue(modelId, out buffer))
{
buffer = new InstancedModelBuffer(this, modelId);
buffer.SetPerInstanceLod(Lod == 0);
m_instancedModels[modelId] = buffer;
}
short empty;
if (buffer.UnusedSlots.TryDequeue(out empty))
{
buffer.Instances[empty] = data;
}
else
{
int prevSize = buffer.Instances != null ? buffer.Instances.Length : 0;
int size = GetExpandedSize(prevSize);
Array.Resize(ref buffer.Instances, size);
int diff = size - prevSize;
empty = (short)prevSize;
buffer.Instances[empty] = data;
for (int i = 1; i < diff; ++i)
{
buffer.UnusedSlots.Enqueue((short)(i + empty));
}
}
BoundingBox modelBox = buffer.ModelBb.Transform(data.LocalMatrix);
buffer.Bounds.Include(ref modelBox);
m_changedBuffers.Add(modelId);
return(empty);
}
public short AddInstance(int modelId, ref MyInstanceData data)
{
InstancedModelBuffer buffer;
if (!m_instancedModels.TryGetValue(modelId, out buffer))
{
buffer = new InstancedModelBuffer(this, modelId);
buffer.SetPerInstanceLod(Lod == 0);
m_instancedModels[modelId] = buffer;
}
short empty;
if (buffer.UnusedSlots.TryDequeue(out empty))
{
buffer.Instances[empty] = data;
}
else
{
int prevSize = buffer.Instances != null ? buffer.Instances.Length : 0;
int size = GetExpandedSize(prevSize);
Array.Resize(ref buffer.Instances, size);
int diff = size - prevSize;
empty = (short)prevSize;
buffer.Instances[empty] = data;
for (int i = 1; i < diff; ++i)
{
buffer.UnusedSlots.Enqueue((short)(i + empty));
}
}
BoundingBox modelBox = buffer.ModelBb.Transform(data.LocalMatrix);
buffer.Bounds.Include(ref modelBox);
m_changedBuffers.Add(modelId);
return empty;
}
public unsafe int AddInstances(int model, List<MyInstanceData> instances)
{
InstancedModelBuffer buffer;
if (!m_instancedModels.TryGetValue(model, out buffer))
{
buffer = new InstancedModelBuffer(this, model);
buffer.SetPerInstanceLod(Lod == 0);
m_instancedModels[model] = buffer;
}
buffer.Instances = instances.GetInternalArray();
var count = instances.Count;
fixed (MyInstanceData* data = buffer.Instances)
for (int i = 0; i < count; i++)
{
BoundingBox modelBox = buffer.ModelBb.Transform(data[i].LocalMatrix);
buffer.Bounds.Include(ref modelBox);
}
// Fix the unused slot lists
buffer.UnusedSlots.Clear();
for (int i = count; i < instances.Capacity; ++i)
{
buffer.UnusedSlots.Enqueue((short)(i));
}
m_changedBuffers.Add(model);
return 0;
}