IVMapManager.h

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef _IVMAPMANAGER_H
#define _IVMAPMANAGER_H
 
#include "Define.h"
#include "ModelIgnoreFlags.h"
#include "Optional.h"
#include <string>
 
//===========================================================
 
namespace VMAP
{
 
    enum VMAP_LOAD_RESULT
    {
        VMAP_LOAD_RESULT_ERROR,
        VMAP_LOAD_RESULT_OK,
        VMAP_LOAD_RESULT_IGNORED
    };
 
    enum class LoadResult : uint8
    {
        Success,
        FileNotFound,
        VersionMismatch
    };
 
    #define VMAP_INVALID_HEIGHT       -100000.0f            // for check
    #define VMAP_INVALID_HEIGHT_VALUE -200000.0f            // real assigned value in unknown height case
 
    struct AreaAndLiquidData
    {
        struct AreaInfo
        {
            AreaInfo() = default;
            AreaInfo(int32 _groupId, int32 _adtId, int32 _rootId, uint32 _mogpFlags, uint32 _uniqueId)
                : groupId(_groupId), adtId(_adtId), rootId(_rootId), mogpFlags(_mogpFlags), uniqueId(_uniqueId) { }
            int32 groupId = 0;
            int32 adtId = 0;
            int32 rootId = 0;
            uint32 mogpFlags = 0;
            uint32 uniqueId = 0;
        };
        struct LiquidInfo
        {
            LiquidInfo() = default;
            LiquidInfo(uint32 _type, float _level) : type(_type), level(_level) { }
            uint32 type = 0;
            float level = 0.0f;
        };
 
        float floorZ = VMAP_INVALID_HEIGHT;
        Optional<AreaInfo> areaInfo;
        Optional<LiquidInfo> liquidInfo;
    };
    //===========================================================
    class TC_COMMON_API IVMapManager
    {
        private:
            bool iEnableLineOfSightCalc;
            bool iEnableHeightCalc;
 
        public:
            IVMapManager() : iEnableLineOfSightCalc(true), iEnableHeightCalc(true) { }
 
            virtual ~IVMapManager(void) { }
 
            virtual int loadMap(char const* pBasePath, unsigned int pMapId, int x, int y) = 0;
 
            virtual LoadResult existsMap(char const* 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, ModelIgnoreFlags ignoreFlags) = 0;
            virtual float getHeight(unsigned int pMapId, float x, float y, float z, float maxSearchDist) = 0;
            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;
            virtual bool processCommand(char *pCommand)= 0;
 
            void setEnableLineOfSightCalc(bool pVal) { iEnableLineOfSightCalc = pVal; }
            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;
 
            virtual bool getAreaAndLiquidData(unsigned int mapId, float x, float y, float z, Optional<uint8> reqLiquidType, AreaAndLiquidData& data) const = 0;
    };
 
}
#endif