You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
324 lines
8.5 KiB
324 lines
8.5 KiB
/*==LICENSE==* |
|
|
|
CyanWorlds.com Engine - MMOG client, server and tools |
|
Copyright (C) 2011 Cyan Worlds, Inc. |
|
|
|
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 3 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/>. |
|
|
|
Additional permissions under GNU GPL version 3 section 7 |
|
|
|
If you modify this Program, or any covered work, by linking or |
|
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
|
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
|
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
|
(or a modified version of those libraries), |
|
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
|
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
|
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
|
licensors of this Program grant you additional |
|
permission to convey the resulting work. Corresponding Source for a |
|
non-source form of such a combination shall include the source code for |
|
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
|
work. |
|
|
|
You can contact Cyan Worlds, Inc. by email legal@cyan.com |
|
or by snail mail at: |
|
Cyan Worlds, Inc. |
|
14617 N Newport Hwy |
|
Mead, WA 99021 |
|
|
|
*==LICENSE==*/ |
|
|
|
#ifndef plVolumeIsect_inc |
|
#define plVolumeIsect_inc |
|
|
|
#include "hsGeometry3.h" |
|
#include "hsMatrix44.h" |
|
#include "hsTemplates.h" |
|
#include "hsBounds.h" |
|
|
|
#include "../pnFactory/plCreatable.h" |
|
|
|
class hsBounds3Ext; |
|
|
|
enum plVolumeCullResult |
|
{ |
|
kVolumeClear = 0x0, |
|
kVolumeCulled = 0x1, |
|
kVolumeSplit = 0x2 |
|
}; |
|
|
|
|
|
class plVolumeIsect : public plCreatable |
|
{ |
|
public: |
|
CLASSNAME_REGISTER( plVolumeIsect ); |
|
GETINTERFACE_ANY( plVolumeIsect, plCreatable ); |
|
|
|
virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l) = 0; |
|
virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const = 0; |
|
virtual hsScalar Test(const hsPoint3& pos) const = 0; |
|
|
|
virtual void Read(hsStream* s, hsResMgr* mgr) = 0; |
|
virtual void Write(hsStream* s, hsResMgr* mgr) = 0; |
|
}; |
|
|
|
class plSphereIsect : public plVolumeIsect |
|
{ |
|
protected: |
|
hsPoint3 fCenter; |
|
hsPoint3 fWorldCenter; |
|
hsScalar fRadius; |
|
hsPoint3 fMins; |
|
hsPoint3 fMaxs; |
|
public: |
|
plSphereIsect(); |
|
virtual ~plSphereIsect(); |
|
|
|
CLASSNAME_REGISTER( plSphereIsect ); |
|
GETINTERFACE_ANY( plSphereIsect, plVolumeIsect ); |
|
|
|
void SetCenter(const hsPoint3& c); |
|
void SetRadius(hsScalar r); |
|
|
|
hsScalar GetRadius() const { return fRadius; } |
|
|
|
virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
|
|
|
virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
|
virtual hsScalar Test(const hsPoint3& pos) const; // return 0 if point inside, else "distance" from pos to volume |
|
|
|
virtual void Read(hsStream* s, hsResMgr* mgr); |
|
virtual void Write(hsStream* s, hsResMgr* mgr); |
|
}; |
|
|
|
class plConeIsect : public plVolumeIsect |
|
{ |
|
protected: |
|
hsBool fCapped; |
|
|
|
hsScalar fRadAngle; |
|
hsScalar fLength; |
|
|
|
hsPoint3 fWorldTip; |
|
hsVector3 fWorldNorm; |
|
|
|
hsMatrix44 fWorldToNDC; |
|
hsMatrix44 fLightToNDC; |
|
|
|
hsVector3 fNorms[5]; |
|
hsScalar fDists[5]; |
|
|
|
void ISetup(); |
|
public: |
|
|
|
plConeIsect(); |
|
virtual ~plConeIsect(); |
|
|
|
CLASSNAME_REGISTER( plConeIsect ); |
|
GETINTERFACE_ANY( plConeIsect, plVolumeIsect ); |
|
|
|
void SetAngle(hsScalar rads); |
|
void SetLength(hsScalar d); |
|
|
|
hsScalar GetLength() const { return fCapped ? fLength : 0; } |
|
hsScalar GetAngle() const { return fRadAngle; } |
|
|
|
virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
|
|
|
virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
|
virtual hsScalar Test(const hsPoint3& pos) const; |
|
|
|
virtual void Read(hsStream* s, hsResMgr* mgr); |
|
virtual void Write(hsStream* s, hsResMgr* mgr); |
|
}; |
|
|
|
class plCylinderIsect : public plVolumeIsect |
|
{ |
|
protected: |
|
hsPoint3 fTop; |
|
hsPoint3 fBot; |
|
hsScalar fRadius; |
|
|
|
hsPoint3 fWorldBot; |
|
hsVector3 fWorldNorm; |
|
hsScalar fLength; |
|
hsScalar fMin; |
|
hsScalar fMax; |
|
|
|
void ISetupCyl(const hsPoint3& wTop, const hsPoint3& wBot, hsScalar radius); |
|
|
|
public: |
|
plCylinderIsect(); |
|
virtual ~plCylinderIsect(); |
|
|
|
CLASSNAME_REGISTER( plCylinderIsect ); |
|
GETINTERFACE_ANY( plCylinderIsect, plVolumeIsect ); |
|
|
|
void SetCylinder(const hsPoint3& lTop, const hsPoint3& lBot, hsScalar radius); |
|
void SetCylinder(const hsPoint3& lBot, const hsVector3& axis, hsScalar radius); |
|
|
|
virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
|
|
|
virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
|
virtual hsScalar Test(const hsPoint3& pos) const; |
|
|
|
virtual void Read(hsStream* s, hsResMgr* mgr); |
|
virtual void Write(hsStream* s, hsResMgr* mgr); |
|
}; |
|
|
|
class plParallelIsect : public plVolumeIsect |
|
{ |
|
protected: |
|
class ParPlane |
|
{ |
|
public: |
|
hsVector3 fNorm; |
|
hsScalar fMin; |
|
hsScalar fMax; |
|
|
|
hsPoint3 fPosOne; |
|
hsPoint3 fPosTwo; |
|
}; |
|
hsTArray<ParPlane> fPlanes; |
|
|
|
public: |
|
plParallelIsect(); |
|
virtual ~plParallelIsect(); |
|
|
|
CLASSNAME_REGISTER( plParallelIsect ); |
|
GETINTERFACE_ANY( plParallelIsect, plVolumeIsect ); |
|
|
|
void SetNumPlanes(int n); // each plane is really two parallel planes |
|
UInt16 GetNumPlanes() const { return fPlanes.GetCount(); } |
|
|
|
void SetPlane(int which, const hsPoint3& locPosOne, const hsPoint3& locPosTwo); |
|
|
|
virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
|
|
|
virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
|
virtual hsScalar Test(const hsPoint3& pos) const; |
|
|
|
virtual void Read(hsStream* s, hsResMgr* mgr); |
|
virtual void Write(hsStream* s, hsResMgr* mgr); |
|
}; |
|
|
|
class plConvexIsect : public plVolumeIsect |
|
{ |
|
protected: |
|
class SinglePlane |
|
{ |
|
public: |
|
hsVector3 fNorm; |
|
hsScalar fDist; |
|
hsPoint3 fPos; |
|
|
|
hsVector3 fWorldNorm; |
|
hsScalar fWorldDist; |
|
}; |
|
|
|
hsTArray<SinglePlane> fPlanes; |
|
|
|
public: |
|
plConvexIsect(); |
|
virtual ~plConvexIsect(); |
|
|
|
CLASSNAME_REGISTER( plConvexIsect ); |
|
GETINTERFACE_ANY( plConvexIsect, plVolumeIsect ); |
|
|
|
void ClearPlanes() { fPlanes.SetCount(0); } |
|
void AddPlaneUnchecked(const hsVector3& n, hsScalar dist); // no validation here |
|
void AddPlane(const hsVector3& n, const hsPoint3& p); |
|
UInt16 GetNumPlanes() const { return fPlanes.GetCount(); } |
|
|
|
virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
|
|
|
virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
|
virtual hsScalar Test(const hsPoint3& pos) const; |
|
|
|
virtual void Read(hsStream* s, hsResMgr* mgr); |
|
virtual void Write(hsStream* s, hsResMgr* mgr); |
|
}; |
|
|
|
class plBoundsIsect : public plVolumeIsect |
|
{ |
|
protected: |
|
hsBounds3Ext fLocalBounds; |
|
hsBounds3Ext fWorldBounds; |
|
public: |
|
plBoundsIsect(); |
|
virtual ~plBoundsIsect(); |
|
|
|
CLASSNAME_REGISTER( plBoundsIsect ); |
|
GETINTERFACE_ANY( plBoundsIsect, plVolumeIsect ); |
|
|
|
void SetBounds(const hsBounds3Ext& bnd); |
|
|
|
virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
|
|
|
virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
|
virtual hsScalar Test(const hsPoint3& pos) const; |
|
|
|
virtual void Read(hsStream* s, hsResMgr* mgr); |
|
virtual void Write(hsStream* s, hsResMgr* mgr); |
|
}; |
|
|
|
class plComplexIsect : public plVolumeIsect |
|
{ |
|
protected: |
|
hsTArray<plVolumeIsect*> fVolumes; |
|
|
|
public: |
|
plComplexIsect(); |
|
virtual ~plComplexIsect(); |
|
|
|
CLASSNAME_REGISTER( plComplexIsect ); |
|
GETINTERFACE_ANY( plComplexIsect, plVolumeIsect ); |
|
|
|
void AddVolume(plVolumeIsect* v); // Will capture pointer |
|
UInt16 GetNumVolumes() const { return fVolumes.GetCount(); } |
|
|
|
virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
|
|
|
virtual void Read(hsStream* s, hsResMgr* mgr); |
|
virtual void Write(hsStream* s, hsResMgr* mgr); |
|
}; |
|
|
|
class plUnionIsect : public plComplexIsect |
|
{ |
|
public: |
|
plUnionIsect(); |
|
~plUnionIsect(); |
|
|
|
CLASSNAME_REGISTER( plUnionIsect ); |
|
GETINTERFACE_ANY( plUnionIsect, plComplexIsect ); |
|
|
|
virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
|
virtual hsScalar Test(const hsPoint3& pos) const; |
|
}; |
|
|
|
class plIntersectionIsect : public plComplexIsect |
|
{ |
|
public: |
|
plIntersectionIsect(); |
|
~plIntersectionIsect(); |
|
|
|
CLASSNAME_REGISTER( plIntersectionIsect ); |
|
GETINTERFACE_ANY( plIntersectionIsect, plComplexIsect ); |
|
|
|
virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
|
virtual hsScalar Test(const hsPoint3& pos) const; |
|
}; |
|
|
|
#endif // plVolumeIsect_inc
|
|
|