public ComponentBufferSparse(int bufferIndex, IMappedBuffer entitiesBuffer, int initialSize = 1 << 10)
{
buffer_ = new MappedBufferSparse <T>(entitiesBuffer, initialSize);
EntFlags flag = 1u << bufferIndex;
Matcher = new ComponentMatcher(flag);
Sparse = true;
}
internal void CreateComponentBuffer <T>(int initialSize, BufferType type, IMappedBuffer registry) where T : struct
{
if (type == BufferType.Dense)
{
var buffer = new ComponentBufferDense <T>(DenseCount, initialSize);
denseBuffers_[DenseCount] = buffer;
DenseCount++;
}
else
{
var buffer = new ComponentBufferSparse <T>(SparseCount, registry, initialSize);
sparseBuffers_[SparseCount] = buffer;
SparseCount++;
}
}
internal MappedBufferSparse(IMappedBuffer keysBuffer, int initialSize = 1 << 10) : base(initialSize)
{
keysToIndices_ = new int[keysBuffer.AllocElementsCount];
for (int i = 0; i < keysToIndices_.Length; i++)
{
keysToIndices_[i] = -1;
}
keysBuffer.OnBufferSizeChanged += newSize =>
{
var newK2i = new int[newSize];
Array.Copy(keysToIndices_, 0, newK2i, 0, keysToIndices_.Length);
for (int k = keysToIndices_.Length; k < newSize; k++)
{
newK2i[k] = -1;
}
keysToIndices_ = newK2i;
};
}
