space/src/UniformCoordinateSegmentation.hpp

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/*  Sirikata
 *  UniformCoordinateSegmentation.hpp
 *
 *  Copyright (c) 2009, Ewen Cheslack-Postava
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are
 *  met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name of Sirikata nor the names of its contributors may
 *    be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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#ifndef _SIRIKATA_UNIFORM_COORDINATE_SEGMENTATION_HPP_
#define _SIRIKATA_UNIFORM_COORDINATE_SEGMENTATION_HPP_

#include <sirikata/space/CoordinateSegmentation.hpp>

namespace Sirikata {

struct LayoutChangeEntry {
  uint64 time;

  Vector3ui32 layout;
};


class UniformCoordinateSegmentation : public CoordinateSegmentation {
public:
    UniformCoordinateSegmentation(SpaceContext* ctx, const BoundingBox3f& region, const Vector3ui32& perdim);
    virtual ~UniformCoordinateSegmentation();

    virtual ServerID lookup(const Vector3f& pos) ;
    virtual BoundingBoxList serverRegion(const ServerID& server) ;
    virtual BoundingBox3f region() ;
    virtual uint32 numServers() ;
    virtual std::vector<ServerID> lookupBoundingBox(const BoundingBox3f& bbox);

    // From MessageRecipient
    virtual void receiveMessage(Message* msg);
private:
    virtual void service();

    BoundingBox3f mRegion;
    Vector3ui32 mServersPerDim;

    std::vector<LayoutChangeEntry> mLayoutChangeEntries;
    uint32 lastLayoutChangeIdx;

}; // class CoordinateSegmentation

} // namespace Sirikata

#endif