Public release of the DLU server code!

Have fun!

thirdparty/raknet/Source/GridSectorizer.h

@@ -0,0 +1,68 @@
+#ifndef _GRID_SECTORIZER_H
+#define _GRID_SECTORIZER_H
+
+//#define _USE_ORDERED_LIST
+
+#include "RakMemoryOverride.h"
+
+#ifdef _USE_ORDERED_LIST
+#include "DS_OrderedList.h"
+#else
+#include "DS_List.h"
+#endif
+
+class GridSectorizer : public RakNet::RakMemoryOverride
+{
+public:
+	GridSectorizer();
+	~GridSectorizer();
+
+	// _cellWidth, _cellHeight is the width and height of each cell in world units
+	// minX, minY, maxX, maxY are the world dimensions (can be changed to dynamically allocate later if needed)
+	void Init(const float _maxCellWidth, const float _maxCellHeight, const float minX, const float minY, const float maxX, const float maxY);
+
+	// Adds a pointer to the grid with bounding rectangle dimensions
+	void AddEntry(void *entry, const float minX, const float minY, const float maxX, const float maxY);
+
+#ifdef _USE_ORDERED_LIST
+
+	// Removes a pointer, as above
+	void RemoveEntry(void *entry, const float minX, const float minY, const float maxX, const float maxY);
+
+	// Adds and removes in one pass, more efficient than calling both functions consecutively
+	void MoveEntry(void *entry, const float sourceMinX, const float sourceMinY, const float sourceMaxX, const float sourceMaxY,
+		const float destMinX, const float destMinY, const float destMaxX, const float destMaxY);
+
+#endif
+
+	// Adds to intersectionList all entries in a certain radius
+	void GetEntries(DataStructures::List<void*>& intersectionList, const float minX, const float minY, const float maxX, const float maxY);
+
+	void Clear(void);
+
+protected:
+	int WorldToCellX(const float input) const;
+	int WorldToCellY(const float input) const;
+	int WorldToCellXOffsetAndClamped(const float input) const;
+	int WorldToCellYOffsetAndClamped(const float input) const;
+
+	// Returns true or false if a position crosses cells in the grid.  If false, you don't need to move entries
+	bool PositionCrossesCells(const float originX, const float originY, const float destinationX, const float destinationY) const;
+
+	float cellOriginX, cellOriginY;
+	float cellWidth, cellHeight;
+	float invCellWidth, invCellHeight;
+	float gridWidth, gridHeight;
+	int gridCellWidthCount, gridCellHeightCount;
+
+
+	// int gridWidth, gridHeight;
+
+#ifdef _USE_ORDERED_LIST
+	DataStructures::OrderedList<void*, void*>* grid;
+#else
+	DataStructures::List<void*>* grid;
+#endif
+};
+
+#endif