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126 lines
4.5 KiB
C++
126 lines
4.5 KiB
C++
/*
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* Copyright (C) 2005-2011 MaNGOS <http://getmangos.com/>
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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 General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef MANGOS_CELL_H
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#define MANGOS_CELL_H
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#include "GameSystem/TypeContainer.h"
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#include "GameSystem/TypeContainerVisitor.h"
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#include "GridDefines.h"
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#include <cmath>
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class Map;
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class WorldObject;
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struct MANGOS_DLL_DECL CellArea
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{
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CellArea() {}
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CellArea(CellPair low, CellPair high) : low_bound(low), high_bound(high) {}
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bool operator!() const { return low_bound == high_bound; }
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void ResizeBorders(CellPair& begin_cell, CellPair& end_cell) const
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{
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begin_cell = low_bound;
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end_cell = high_bound;
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}
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CellPair low_bound;
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CellPair high_bound;
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};
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struct MANGOS_DLL_DECL Cell
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{
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Cell() { data.All = 0; }
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Cell(const Cell &cell) { data.All = cell.data.All; }
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explicit Cell(CellPair const& p);
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void Compute(uint32 &x, uint32 &y) const
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{
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x = data.Part.grid_x*MAX_NUMBER_OF_CELLS + data.Part.cell_x;
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y = data.Part.grid_y*MAX_NUMBER_OF_CELLS + data.Part.cell_y;
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}
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bool DiffCell(const Cell &cell) const
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{
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return( data.Part.cell_x != cell.data.Part.cell_x ||
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data.Part.cell_y != cell.data.Part.cell_y );
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}
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bool DiffGrid(const Cell &cell) const
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{
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return( data.Part.grid_x != cell.data.Part.grid_x ||
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data.Part.grid_y != cell.data.Part.grid_y );
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}
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uint32 CellX() const { return data.Part.cell_x; }
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uint32 CellY() const { return data.Part.cell_y; }
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uint32 GridX() const { return data.Part.grid_x; }
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uint32 GridY() const { return data.Part.grid_y; }
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bool NoCreate() const { return data.Part.nocreate; }
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void SetNoCreate() { data.Part.nocreate = 1; }
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GridPair gridPair() const { return GridPair(GridX(),GridY()); }
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CellPair cellPair() const
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{
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return CellPair(
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data.Part.grid_x*MAX_NUMBER_OF_CELLS+data.Part.cell_x,
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data.Part.grid_y*MAX_NUMBER_OF_CELLS+data.Part.cell_y);
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}
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Cell& operator=(const Cell &cell)
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{
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data.All = cell.data.All;
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return *this;
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}
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bool operator==(const Cell &cell) const { return (data.All == cell.data.All); }
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bool operator!=(const Cell &cell) const { return !operator==(cell); }
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union
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{
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struct
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{
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unsigned grid_x : 6;
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unsigned grid_y : 6;
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unsigned cell_x : 6;
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unsigned cell_y : 6;
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unsigned nocreate : 1;
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unsigned reserved : 7;
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} Part;
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uint32 All;
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} data;
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template<class T, class CONTAINER> void Visit(const CellPair &cellPair, TypeContainerVisitor<T, CONTAINER> &visitor, Map &m, float x, float y, float radius) const;
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template<class T, class CONTAINER> void Visit(const CellPair &cellPair, TypeContainerVisitor<T, CONTAINER> &visitor, Map &m, const WorldObject& obj, float radius) const;
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static CellArea CalculateCellArea(float x, float y, float radius);
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template<class T> static void VisitGridObjects(const WorldObject *obj, T &visitor, float radius, bool dont_load = true);
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template<class T> static void VisitWorldObjects(const WorldObject *obj, T &visitor, float radius, bool dont_load = true);
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template<class T> static void VisitAllObjects(const WorldObject *obj, T &visitor, float radius, bool dont_load = true);
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template<class T> static void VisitGridObjects(float x, float y, Map *map, T &visitor, float radius, bool dont_load = true);
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template<class T> static void VisitWorldObjects(float x, float y, Map *map, T &visitor, float radius, bool dont_load = true);
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template<class T> static void VisitAllObjects(float x, float y, Map *map, T &visitor, float radius, bool dont_load = true);
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private:
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template<class T, class CONTAINER> void VisitCircle(TypeContainerVisitor<T, CONTAINER> &, Map &, const CellPair& , const CellPair& ) const;
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};
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#endif
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