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/*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _WORLDMODEL_H
#define _WORLDMODEL_H
#include <G3D/HashTrait.h>
#include <G3D/Vector3.h>
#include <G3D/AABox.h>
#include <G3D/Ray.h>
#include "BIH.h"
#include "Platform/Define.h"
namespace VMAP
{
class TreeNode;
struct AreaInfo;
struct LocationInfo;
class MeshTriangle
{
public:
MeshTriangle(){};
MeshTriangle(uint32 na, uint32 nb, uint32 nc): idx0(na), idx1(nb), idx2(nc) {};
uint32 idx0;
uint32 idx1;
uint32 idx2;
};
class WmoLiquid
{
public:
WmoLiquid(uint32 width, uint32 height, const Vector3 &corner, uint32 type);
WmoLiquid(const WmoLiquid &other);
~WmoLiquid();
WmoLiquid& operator=(const WmoLiquid &other);
bool GetLiquidHeight(const Vector3 &pos, float &liqHeight) const;
uint32 GetType() const { return iType; }
float *GetHeightStorage() { return iHeight; }
uint8 *GetFlagsStorage() { return iFlags; }
uint32 GetFileSize();
bool writeToFile(FILE *wf);
static bool readFromFile(FILE *rf, WmoLiquid *&liquid);
private:
WmoLiquid(): iHeight(0), iFlags(0) {};
uint32 iTilesX; //!< number of tiles in x direction, each
uint32 iTilesY;
Vector3 iCorner; //!< the lower corner
uint32 iType; //!< liquid type
float *iHeight; //!< (tilesX + 1)*(tilesY + 1) height values
uint8 *iFlags; //!< info if liquid tile is used
};
/*! holding additional info for WMO group files */
class GroupModel
{
public:
GroupModel(): iLiquid(0) {}
GroupModel(const GroupModel &other);
GroupModel(uint32 mogpFlags, uint32 groupWMOID, const AABox &bound):
iBound(bound), iMogpFlags(mogpFlags), iGroupWMOID(groupWMOID), iLiquid(0) {}
~GroupModel() { delete iLiquid; }
//! pass mesh data to object and create BIH. Passed vectors get get swapped with old geometry!
void setMeshData(std::vector<Vector3> &vert, std::vector<MeshTriangle> &tri);
void setLiquidData(WmoLiquid *liquid) { iLiquid = liquid; }
bool IntersectRay(const G3D::Ray &ray, float &distance, bool stopAtFirstHit) const;
bool IsInsideObject(const Vector3 &pos, const Vector3 &down, float &z_dist) const;
bool GetLiquidLevel(const Vector3 &pos, float &liqHeight) const;
uint32 GetLiquidType() const;
bool writeToFile(FILE *wf);
bool readFromFile(FILE *rf);
const G3D::AABox& GetBound() const { return iBound; }
uint32 GetMogpFlags() const { return iMogpFlags; }
uint32 GetWmoID() const { return iGroupWMOID; }
protected:
G3D::AABox iBound;
uint32 iMogpFlags;// 0x8 outdor; 0x2000 indoor
uint32 iGroupWMOID;
std::vector<Vector3> vertices;
std::vector<MeshTriangle> triangles;
BIH meshTree;
WmoLiquid *iLiquid;
};
/*! Holds a model (converted M2 or WMO) in its original coordinate space */
class WorldModel
{
public:
WorldModel(): RootWMOID(0) {}
//! pass group models to WorldModel and create BIH. Passed vector is swapped with old geometry!
void setGroupModels(std::vector<GroupModel> &models);
void setRootWmoID(uint32 id) { RootWMOID = id; }
bool IntersectRay(const G3D::Ray &ray, float &distance, bool stopAtFirstHit) const;
bool IntersectPoint(const G3D::Vector3 &p, const G3D::Vector3 &down, float &dist, AreaInfo &info) const;
bool GetLocationInfo(const G3D::Vector3 &p, const G3D::Vector3 &down, float &dist, LocationInfo &info) const;
bool writeFile(const std::string &filename);
bool readFile(const std::string &filename);
protected:
uint32 RootWMOID;
std::vector<GroupModel> groupModels;
BIH groupTree;
};
} // namespace VMAP
#endif // _WORLDMODEL_H
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