ModelInstance.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 _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 class ModelIgnoreFlags : uint32;
 
 enum ModelInstanceFlags
 {
 MOD_HAS_BOUND = 1 << 0,
 MOD_PARENT_SPAWN = 1 << 1
 };
 
 struct ModelMinimalData
 {
 //Flags, ID, Pos, Rot, Scale, Bound_lo, Bound_hi
 uint8 flags;
 uint8 adtId;
 uint32 ID;
 G3D::Vector3 iPos;
 float iScale;
 G3D::AABox iBound;
#ifdef VMAP_DEBUG
 std::string name;
#endif
 
 bool operator==(ModelMinimalData const& other) const { return ID == other.ID; }
 G3D::AABox const& getBounds() const { return iBound; }
 };
 
 struct TC_COMMON_API ModelSpawn : public ModelMinimalData
 {
 G3D::Vector3 iRot;
#ifndef VMAP_DEBUG
 std::string name;
#endif
 
 static bool readFromFile(FILE* rf, ModelSpawn& spawn);
 static bool writeToFile(FILE* rw, ModelSpawn const& spawn);
 };
 
 class TC_COMMON_API ModelInstance : public ModelMinimalData
 {
 public:
 ModelInstance() : iInvScale(0.0f), iModel(nullptr) { }
 ModelInstance(ModelSpawn const& spawn, WorldModel* model);
 void setUnloaded() { iModel = nullptr; }
 bool intersectRay(G3D::Ray const& pRay, float& pMaxDist, bool pStopAtFirstHit, ModelIgnoreFlags ignoreFlags) const;
 bool GetLocationInfo(G3D::Vector3 const& p, LocationInfo& info) const;
 bool GetLiquidLevel(G3D::Vector3 const& p, LocationInfo& info, float& liqHeight) const;
 G3D::Matrix3 const& GetInvRot() const { return iInvRot; }
 WorldModel const* getWorldModel() const { return iModel; }
 protected:
 G3D::Matrix3 iInvRot;
 float iInvScale;
 WorldModel* iModel;
 };
} // namespace VMAP
 
#endif // _MODELINSTANCE