* Move some grid stuff.
--HG-- branch : trunk
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XTZGZoReX
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/*
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* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
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*
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* Copyright (C) 2008-2010 Trinity <http://www.trinitycore.org/>
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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 TRINITY_GRIDDEFINES_H
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#define TRINITY_GRIDDEFINES_H
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#include "Common.h"
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#include "GameSystem/NGrid.h"
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#include <cmath>
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// Forward class definitions
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class Corpse;
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class Creature;
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class DynamicObject;
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class GameObject;
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class Pet;
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class Player;
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#define MAX_NUMBER_OF_CELLS 8
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#define MAX_NUMBER_OF_GRIDS 64
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#define SIZE_OF_GRIDS 533.33333f
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#define CENTER_GRID_ID (MAX_NUMBER_OF_GRIDS/2)
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#define CENTER_GRID_OFFSET (SIZE_OF_GRIDS/2)
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#define MIN_GRID_DELAY (MINUTE*IN_MILISECONDS)
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#define MIN_MAP_UPDATE_DELAY 50
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#define SIZE_OF_GRID_CELL (SIZE_OF_GRIDS/MAX_NUMBER_OF_CELLS)
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#define CENTER_GRID_CELL_ID (MAX_NUMBER_OF_CELLS*MAX_NUMBER_OF_GRIDS/2)
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#define CENTER_GRID_CELL_OFFSET (SIZE_OF_GRID_CELL/2)
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#define TOTAL_NUMBER_OF_CELLS_PER_MAP (MAX_NUMBER_OF_GRIDS*MAX_NUMBER_OF_CELLS)
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#define MAP_RESOLUTION 128
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#define MAP_SIZE (SIZE_OF_GRIDS*MAX_NUMBER_OF_GRIDS)
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#define MAP_HALFSIZE (MAP_SIZE/2)
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// Creature used instead pet to simplify *::Visit templates (not required duplicate code for Creature->Pet case)
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typedef TYPELIST_4(Player, Creature/*pets*/, Corpse/*resurrectable*/, DynamicObject/*farsight target*/) AllWorldObjectTypes;
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typedef TYPELIST_4(GameObject, Creature/*except pets*/, DynamicObject, Corpse/*Bones*/) AllGridObjectTypes;
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typedef GridRefManager<Corpse> CorpseMapType;
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typedef GridRefManager<Creature> CreatureMapType;
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typedef GridRefManager<DynamicObject> DynamicObjectMapType;
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typedef GridRefManager<GameObject> GameObjectMapType;
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typedef GridRefManager<Player> PlayerMapType;
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typedef Grid<Player, AllWorldObjectTypes,AllGridObjectTypes> GridType;
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typedef NGrid<MAX_NUMBER_OF_CELLS, Player, AllWorldObjectTypes, AllGridObjectTypes> NGridType;
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typedef TypeMapContainer<AllGridObjectTypes> GridTypeMapContainer;
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typedef TypeMapContainer<AllWorldObjectTypes> WorldTypeMapContainer;
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template<const unsigned int LIMIT>
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struct CoordPair
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{
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CoordPair(uint32 x=0, uint32 y=0) : x_coord(x), y_coord(y) {}
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CoordPair(const CoordPair<LIMIT> &obj) : x_coord(obj.x_coord), y_coord(obj.y_coord) {}
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bool operator == (const CoordPair<LIMIT> &obj) const { return (obj.x_coord == x_coord && obj.y_coord == y_coord); }
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bool operator != (const CoordPair<LIMIT> &obj) const { return !operator == (obj); }
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CoordPair<LIMIT>& operator=(const CoordPair<LIMIT> &obj)
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{
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x_coord = obj.x_coord;
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y_coord = obj.y_coord;
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return *this;
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}
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void operator<<(const uint32 val)
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{
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if (x_coord > val)
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x_coord -= val;
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else
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x_coord = 0;
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}
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void operator>>(const uint32 val)
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{
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if (x_coord+val < LIMIT)
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x_coord += val;
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else
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x_coord = LIMIT - 1;
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}
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void operator-=(const uint32 val)
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{
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if (y_coord > val)
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y_coord -= val;
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else
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y_coord = 0;
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}
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void operator+=(const uint32 val)
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{
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if (y_coord+val < LIMIT)
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y_coord += val;
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else
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y_coord = LIMIT - 1;
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}
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uint32 x_coord;
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uint32 y_coord;
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};
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typedef CoordPair<MAX_NUMBER_OF_GRIDS> GridPair;
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typedef CoordPair<TOTAL_NUMBER_OF_CELLS_PER_MAP> CellPair;
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namespace Trinity
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{
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template<class RET_TYPE, int CENTER_VAL>
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inline RET_TYPE Compute(float x, float y, float center_offset, float size)
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{
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// calculate and store temporary values in double format for having same result as same mySQL calculations
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double x_offset = (double(x) - center_offset)/size;
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double y_offset = (double(y) - center_offset)/size;
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int x_val = int(x_offset+CENTER_VAL + 0.5);
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int y_val = int(y_offset+CENTER_VAL + 0.5);
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return RET_TYPE(x_val, y_val);
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}
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inline GridPair ComputeGridPair(float x, float y)
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{
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return Compute<GridPair, CENTER_GRID_ID>(x, y, CENTER_GRID_OFFSET, SIZE_OF_GRIDS);
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}
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inline CellPair ComputeCellPair(float x, float y)
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{
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return Compute<CellPair, CENTER_GRID_CELL_ID>(x, y, CENTER_GRID_CELL_OFFSET, SIZE_OF_GRID_CELL);
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}
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inline CellPair ComputeCellPair(float x, float y, float &x_off, float &y_off)
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{
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double x_offset = (double(x) - CENTER_GRID_CELL_OFFSET)/SIZE_OF_GRID_CELL;
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double y_offset = (double(y) - CENTER_GRID_CELL_OFFSET)/SIZE_OF_GRID_CELL;
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int x_val = int(x_offset + CENTER_GRID_CELL_ID + 0.5);
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int y_val = int(y_offset + CENTER_GRID_CELL_ID + 0.5);
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x_off = (float(x_offset) - x_val + CENTER_GRID_CELL_ID) * SIZE_OF_GRID_CELL;
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y_off = (float(y_offset) - y_val + CENTER_GRID_CELL_ID) * SIZE_OF_GRID_CELL;
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return CellPair(x_val, y_val);
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}
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inline void NormalizeMapCoord(float &c)
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{
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if (c > MAP_HALFSIZE - 0.5)
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c = MAP_HALFSIZE - 0.5;
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else if (c < -(MAP_HALFSIZE - 0.5))
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c = -(MAP_HALFSIZE - 0.5);
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}
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inline bool IsValidMapCoord(float c)
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{
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return finite(c) && (std::fabs(c) <= MAP_HALFSIZE - 0.5);
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}
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inline bool IsValidMapCoord(float x, float y)
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{
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return IsValidMapCoord(x) && IsValidMapCoord(y);
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}
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inline bool IsValidMapCoord(float x, float y, float z)
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{
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return IsValidMapCoord(x,y) && finite(z);
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}
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inline bool IsValidMapCoord(float x, float y, float z, float o)
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{
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return IsValidMapCoord(x,y,z) && finite(o);
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}
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}
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#endif
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