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87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_ZONE_SEARCH_H
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#define NL_ZONE_SEARCH_H
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#include <list>
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#include "nel/misc/types_nl.h"
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namespace NL3D
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{
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/**
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* CZoneSearch is a class that determine which zone cooresponding to a coordinate
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* and zones are around a position
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* \author Alain Saffray
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* \author Nevrax France
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* \date 2000
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*/
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class CZoneSearch
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{
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public:
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/// Constructor
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CZoneSearch();
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/**
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* Get the zone name corresponding to coordinate
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* \param x is axis X coordinate (in meters)
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* \param y is axis Y coordinate (in meters)
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* \param cx is axis X coordinate of center area (in meters)
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* \param cy is axis Y coordinate of center area (in meters)
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* \return a pair of the zone name and square distance between zone and center area (in zone unit)
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*/
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std::pair<std::string, uint32> getZoneName(uint x, uint y, uint cx, uint cy);
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/*
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* Get a list of zone name around a position
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* \param x is axis X ccordinate (in meter)
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* \param y is axis Y coordinate (in meter)
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* \param sizeArea is area of zone research (in meter)
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* \param l is a reference to a list of pair of string and uint32
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* \return a liste contained names of all zones around indicated position, square distance between zones and indicated position
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*/
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void getListZoneName(uint x, uint y, uint sizeArea, std::list< std::pair<std::string, uint32> >& l);
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uint16 getZoneId (uint x, uint y) const;
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void getZonePos (uint16 zoneId, uint &x, uint &y) const;
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void getListZoneId (uint x, uint y, uint sizeArea, std::vector<uint16> &l, const std::vector<uint16> *validZoneIds = NULL);
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std::string getZoneNameFromId (uint16 zoneid);
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private:
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// Number zones on X axis of landscape
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uint _NbZoneX;
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/// Number zones on Y axis of landscape
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uint _NbZoneY;
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// Size X of one zone (in meters)
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uint _SizeZoneX;
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// Size X of one zone (in meters)
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uint _SizeZoneY;
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};
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} // NL3D
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#endif // NL_ZONE_SEARCH_H
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/* End of zone_search.h */
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