Initial commit

engine/network/src/ClusterUpdateBuffer.hpp

@@ -0,0 +1,62 @@
+#pragma once
+
+#include <vector>
+
+#include "Utility/G3DCore.hpp"
+
+#include "Utility/UintSet.hpp"
+
+#include "boost/cstdint.hpp"
+#include "Utility/ClusterCellIterator.hpp"
+
+#include "boost/unordered_map.hpp"
+
+namespace Aya
+{
+
+// these constants visible for testing
+const int kXZ_CHUNK_SIZE_AS_BITSHIFT = 5;
+const int kXZ_CHUNK_SIZE_AS_BITMASK = 0x1f;
+const int kY_CHUNK_SIZE_AS_BITSHIFT = 4;
+const int kY_CHUNK_SIZE_AS_BITMASK = 0x0f;
+
+namespace Network
+{
+
+typedef Vector3int16 ClusterCellUpdate;
+typedef unsigned int ChunkIndex;
+
+
+struct ClusterUpdateBuffer
+{
+
+private:
+    typedef boost::unordered_map<SpatialRegion::Id, UintSet, SpatialRegion::Id::boost_compatible_hash_value> BitSetUpdateMap;
+    BitSetUpdateMap::iterator lastFound;
+    BitSetUpdateMap bitSetUpdates;
+
+    size_t internalSize;
+
+public:
+    static void computeUintRepresentingLocationInChunk(const ClusterCellUpdate& update, unsigned int* out);
+    static void computeGlobalLocationFromUintRepresentation(const unsigned int& info, const Vector3int16& baseCellOffset, ClusterCellUpdate* out);
+
+    ClusterUpdateBuffer();
+
+    size_t size() const;
+
+    void push(const ClusterCellUpdate& inputData);
+
+    bool chk(const ClusterCellUpdate& test);
+
+    void pop(ClusterCellUpdate* out);
+
+    static inline void nextCellInIterationOrder(const Vector3int16& cellpos, Vector3int16* out)
+    {
+        ClusterChunksIterator::nextCellInIterationOrder(cellpos, out);
+    }
+};
+
+} // namespace Network
+
+} // namespace Aya