EverWrath/modules/worldengine/lib-collision/Models/WorldModel.h

117 lines
4.9 KiB
C++

/*
* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: http://github.com/azerothcore/azerothcore-wotlk/LICENSE-GPL2
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*/
#ifndef _WORLDMODEL_H
#define _WORLDMODEL_H
#include <G3D/HashTrait.h>
#include <G3D/Vector3.h>
#include <G3D/AABox.h>
#include <G3D/Ray.h>
#include "BoundingIntervalHierarchy.h"
#include "Define.h"
namespace VMAP
{
class TreeNode;
struct AreaInfo;
struct LocationInfo;
class MeshTriangle
{
public:
MeshTriangle() : idx0(0), idx1(0), idx2(0) { }
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 G3D::Vector3 &corner, uint32 type);
WmoLiquid(const WmoLiquid &other);
~WmoLiquid();
WmoLiquid& operator=(const WmoLiquid &other);
bool GetLiquidHeight(const G3D::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(): iTilesX(0), iTilesY(0), iType(0), iHeight(0), iFlags(0) { }
uint32 iTilesX; //!< number of tiles in x direction, each
uint32 iTilesY;
G3D::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
public:
void getPosInfo(uint32 &tilesX, uint32 &tilesY, G3D::Vector3 &corner) const;
};
/*! holding additional info for WMO group files */
class GroupModel
{
public:
GroupModel(): iMogpFlags(0), iGroupWMOID(0), iLiquid(0) { }
GroupModel(const GroupModel &other);
GroupModel(uint32 mogpFlags, uint32 groupWMOID, const G3D::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<G3D::Vector3> &vert, std::vector<MeshTriangle> &tri);
void setLiquidData(WmoLiquid*& liquid) { iLiquid = liquid; liquid = NULL; }
bool IntersectRay(const G3D::Ray &ray, float &distance, bool stopAtFirstHit) const;
bool IsInsideObject(const G3D::Vector3 &pos, const G3D::Vector3 &down, float &z_dist) const;
bool GetLiquidLevel(const G3D::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<G3D::Vector3> vertices;
std::vector<MeshTriangle> triangles;
BIH meshTree;
WmoLiquid* iLiquid;
public:
void getMeshData(std::vector<G3D::Vector3> &vertices, std::vector<MeshTriangle> &triangles, WmoLiquid* &liquid);
};
/*! 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;
public:
void getGroupModels(std::vector<GroupModel> &groupModels);
};
} // namespace VMAP
#endif // _WORLDMODEL_H