public MyDecalsForVoxelsTriangleBuffer GetTrianglesBuffer(MyRenderVoxelCell voxelMap, MyDecalTexturesEnum decalTexture)
{
MyDecalsForVoxelsDictionaryKey key = new MyDecalsForVoxelsDictionaryKey(voxelMap.ID, decalTexture);
MyDecalsForVoxelsTriangleBuffer outValue;
if (m_triangleBuffersByKey.TryGetValue(key, out outValue) == true)
{
// Combination of cell/texture was found in dictionary, so we can return in right now
return(outValue);
}
else
{
if (m_triangleBuffersByKey.Count >= m_capacity)
{
// We are full, can't place decal on a new cell/texture. Need to wait for next CheckBufferFull.
return(null);
}
else
{
// This is first time we want to place decal to this cell/texture, so here we allocate and initialize buffer
MyDecalsForVoxelsTriangleBuffer newBuffer = m_freeTriangleBuffers.Pop();
m_triangleBuffersByKey.Add(key, newBuffer);
m_usedTriangleBuffers.Enqueue(newBuffer);
newBuffer.Start(voxelMap, decalTexture);
return(newBuffer);
}
}
}
public MyDecalsForVoxels(int capacity)
{
m_status = MyDecalForVoxelsState.READY;
m_capacity = capacity;
m_fadingOutStartLimit = (int)(m_capacity * MyDecalsConstants.TEXTURE_LARGE_FADING_OUT_START_LIMIT_PERCENT);
m_fadingOutBuffersCount = (int)(m_capacity * MyDecalsConstants.TEXTURE_LARGE_FADING_OUT_MINIMAL_TRIANGLE_COUNT_PERCENT);
m_sortTriangleBuffersByTexture = new List <MyDecalsForVoxelsTriangleBuffer>(m_capacity);
m_triangleBuffersByKey = new Dictionary <MyDecalsForVoxelsDictionaryKey, MyDecalsForVoxelsTriangleBuffer>(m_capacity);
m_freeTriangleBuffers = new Stack <MyDecalsForVoxelsTriangleBuffer>(m_capacity);
m_usedTriangleBuffers = new Queue <MyDecalsForVoxelsTriangleBuffer>(m_capacity);
m_triangleBuffers = new MyDecalsForVoxelsTriangleBuffer[m_capacity];
for (int i = 0; i < m_capacity; i++)
{
m_triangleBuffers[i] = new MyDecalsForVoxelsTriangleBuffer(MyDecalsConstants.MAX_DECAL_TRIANGLES_IN_BUFFER);
m_freeTriangleBuffers.Push(m_triangleBuffers[i]);
}
}
// For sorting buffers by texture
public int CompareTo(object compareToObject)
{
MyDecalsForVoxelsTriangleBuffer compareToBuffer = (MyDecalsForVoxelsTriangleBuffer)compareToObject;
return(((int)compareToBuffer.DecalTexture).CompareTo((int)this.DecalTexture));
}
