ModelInstance.h

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/*
 * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
 *
 * 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 _MODELINSTANCE_H_
#define _MODELINSTANCE_H_

#include <G3D/Matrix3.h>
#include <G3D/Vector3.h>
#include <G3D/AABox.h>
#include <G3D/Ray.h>

#include "Define.h"

namespace VMAP
{
 class WorldModel;
 struct AreaInfo;
 struct LocationInfo;

 enum ModelFlags
 {
 MOD_M2 = 1,
 MOD_WORLDSPAWN = 1<<1,
 MOD_HAS_BOUND = 1<<2
 };

 class TC_COMMON_API ModelSpawn
 {
 public:
 //mapID, tileX, tileY, Flags, ID, Pos, Rot, Scale, Bound_lo, Bound_hi, name
 uint32 flags;
 uint16 adtId;
 uint32 ID;
 G3D::Vector3 iPos;
 G3D::Vector3 iRot;
 float iScale;
 G3D::AABox iBound;
 std::string name;
 bool operator==(const ModelSpawn &other) const { return ID == other.ID; }
 //uint32 hashCode() const { return ID; }
 // temp?
 const G3D::AABox& getBounds() const { return iBound; }

 static bool readFromFile(FILE* rf, ModelSpawn &spawn);
 static bool writeToFile(FILE* rw, const ModelSpawn &spawn);
 };

 class TC_COMMON_API ModelInstance: public ModelSpawn
 {
 public:
 ModelInstance(): iInvScale(0.0f), iModel(nullptr) { }
 ModelInstance(const ModelSpawn &spawn, WorldModel* model);
 void setUnloaded() { iModel = nullptr; }
 bool intersectRay(const G3D::Ray& pRay, float& pMaxDist, bool pStopAtFirstHit) const;
 void intersectPoint(const G3D::Vector3& p, AreaInfo &info) const;
 bool GetLocationInfo(const G3D::Vector3& p, LocationInfo &info) const;
 bool GetLiquidLevel(const G3D::Vector3& p, LocationInfo &info, float &liqHeight) const;
 WorldModel* getWorldModel() { return iModel; }
 protected:
 G3D::Matrix3 iInvRot;
 float iInvScale;
 WorldModel* iModel;
 };
} // namespace VMAP

#endif // _MODELINSTANCE