text: /*
   * Copyright (C) 2005 - 2012 MaNGOS <http://www.getmangos.com/>
   *
   * Copyright (C) 2008 - 2012 Trinity <http://www.trinitycore.org/>
   *
   * Copyright (C) 2010 - 2012 ProjectSkyfire <http://www.projectskyfire.org/>
   *
   * Copyright (C) 2011 - 2012 ArkCORE <http://www.arkania.net/>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
   */
  
  #ifndef _IVMAPMANAGER_H
  #define _IVMAPMANAGER_H
  
  #include <string>
  #include "Define.h"
  
  //===========================================================
  
  /**
   This is the minimum interface to the VMapMamager.
   */
  
  namespace VMAP
  {
      enum VMAP_LOAD_RESULT
      {
          VMAP_LOAD_RESULT_ERROR, VMAP_LOAD_RESULT_OK, VMAP_LOAD_RESULT_IGNORED,
      };
  
  #define VMAP_INVALID_HEIGHT       -100000.0f            // for check
  #define VMAP_INVALID_HEIGHT_VALUE -200000.0f            // real assigned value in unknown height case
  //===========================================================
      class IVMapManager
      {
      private:
          bool iEnableLineOfSightCalc;
          bool iEnableHeightCalc;
  
      public:
          IVMapManager() :
                  iEnableLineOfSightCalc(true), iEnableHeightCalc(true)
          {
          }
  
          virtual ~IVMapManager(void)
          {
          }
  
          virtual int loadMap(const char* pBasePath, unsigned int pMapId, int x, int y) = 0;
  
          virtual bool existsMap(const char* pBasePath, unsigned int pMapId, int x, int y) = 0;
  
          virtual void unloadMap(unsigned int pMapId, int x, int y) = 0;
          virtual void unloadMap(unsigned int pMapId) = 0;
  
          virtual bool isInLineOfSight(unsigned int pMapId, float x1, float y1, float z1, float x2, float y2, float z2) = 0;
          virtual float getHeight(unsigned int pMapId, float x, float y, float z, float maxSearchDist) = 0;
          /**
           test if we hit an object. return true if we hit one. rx,ry,rz will hold the hit position or the dest position, if no intersection was found
           return a position, that is pReduceDist closer to the origin
           */
          virtual bool getObjectHitPos(unsigned int pMapId, float x1, float y1, float z1, float x2, float y2, float z2, float& rx, float &ry, float& rz, float pModifyDist) = 0;
          /**
           send debug commands
           */
          virtual bool processCommand(char *pCommand)= 0;
  
          /**
           Enable/disable LOS calculation
           It is enabled by default. If it is enabled in mid game the maps have to loaded manualy
           */
          void setEnableLineOfSightCalc(bool pVal)
          {
              iEnableLineOfSightCalc = pVal;
          }
          /**
           Enable/disable model height calculation
           It is enabled by default. If it is enabled in mid game the maps have to loaded manualy
           */
          void setEnableHeightCalc(bool pVal)
          {
              iEnableHeightCalc = pVal;
          }
  
          bool isLineOfSightCalcEnabled() const
          {
              return (iEnableLineOfSightCalc);
          }
          bool isHeightCalcEnabled() const
          {
              return (iEnableHeightCalc);
          }
          bool isMapLoadingEnabled() const
          {
              return (iEnableLineOfSightCalc || iEnableHeightCalc);
          }
  
          virtual std::string getDirFileName(unsigned int pMapId, int x, int y) const =0;
          /**
           Block maps from being used.
           parameter: String of map ids. Delimiter = ","
           e.g.: "0,1,530"
           */
          virtual void preventMapsFromBeingUsed(const char* pMapIdString) =0;
          /**
           Query world model area info.
           \param z gets adjusted to the ground height for which this are info is valid
           */
          virtual bool getAreaInfo(unsigned int pMapId, float x, float y, float &z, uint32 &flags, int32 &adtId, int32 &rootId, int32 &groupId) const=0;
          virtual bool GetLiquidLevel(uint32 pMapId, float x, float y, float z, uint8 ReqLiquidType, float &level, float &floor, uint32 &type) const=0;
      };
  }
  #endif
  