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308 lines
8.5 KiB
308 lines
8.5 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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#ifndef plVolumeIsect_inc |
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#define plVolumeIsect_inc |
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#include "hsGeometry3.h" |
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#include "hsMatrix44.h" |
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#include "hsTemplates.h" |
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#include "hsBounds.h" |
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#include "pnFactory/plCreatable.h" |
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class hsBounds3Ext; |
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enum plVolumeCullResult |
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{ |
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kVolumeClear = 0x0, |
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kVolumeCulled = 0x1, |
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kVolumeSplit = 0x2 |
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}; |
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class plVolumeIsect : public plCreatable |
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{ |
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public: |
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CLASSNAME_REGISTER( plVolumeIsect ); |
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GETINTERFACE_ANY( plVolumeIsect, plCreatable ); |
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virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l) = 0; |
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virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const = 0; |
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virtual hsScalar Test(const hsPoint3& pos) const = 0; |
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virtual void Read(hsStream* s, hsResMgr* mgr) = 0; |
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virtual void Write(hsStream* s, hsResMgr* mgr) = 0; |
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}; |
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class plSphereIsect : public plVolumeIsect |
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{ |
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protected: |
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hsPoint3 fCenter; |
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hsPoint3 fWorldCenter; |
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hsScalar fRadius; |
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hsPoint3 fMins; |
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hsPoint3 fMaxs; |
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public: |
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plSphereIsect(); |
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virtual ~plSphereIsect(); |
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CLASSNAME_REGISTER( plSphereIsect ); |
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GETINTERFACE_ANY( plSphereIsect, plVolumeIsect ); |
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void SetCenter(const hsPoint3& c); |
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void SetRadius(hsScalar r); |
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hsScalar GetRadius() const { return fRadius; } |
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virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
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virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
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virtual hsScalar Test(const hsPoint3& pos) const; // return 0 if point inside, else "distance" from pos to volume |
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virtual void Read(hsStream* s, hsResMgr* mgr); |
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virtual void Write(hsStream* s, hsResMgr* mgr); |
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}; |
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class plConeIsect : public plVolumeIsect |
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{ |
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protected: |
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hsBool fCapped; |
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hsScalar fRadAngle; |
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hsScalar fLength; |
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hsPoint3 fWorldTip; |
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hsVector3 fWorldNorm; |
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hsMatrix44 fWorldToNDC; |
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hsMatrix44 fLightToNDC; |
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hsVector3 fNorms[5]; |
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hsScalar fDists[5]; |
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void ISetup(); |
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public: |
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plConeIsect(); |
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virtual ~plConeIsect(); |
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CLASSNAME_REGISTER( plConeIsect ); |
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GETINTERFACE_ANY( plConeIsect, plVolumeIsect ); |
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void SetAngle(hsScalar rads); |
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void SetLength(hsScalar d); |
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hsScalar GetLength() const { return fCapped ? fLength : 0; } |
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hsScalar GetAngle() const { return fRadAngle; } |
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virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
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virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
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virtual hsScalar Test(const hsPoint3& pos) const; |
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virtual void Read(hsStream* s, hsResMgr* mgr); |
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virtual void Write(hsStream* s, hsResMgr* mgr); |
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}; |
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class plCylinderIsect : public plVolumeIsect |
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{ |
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protected: |
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hsPoint3 fTop; |
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hsPoint3 fBot; |
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hsScalar fRadius; |
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hsPoint3 fWorldBot; |
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hsVector3 fWorldNorm; |
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hsScalar fLength; |
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hsScalar fMin; |
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hsScalar fMax; |
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void ISetupCyl(const hsPoint3& wTop, const hsPoint3& wBot, hsScalar radius); |
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public: |
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plCylinderIsect(); |
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virtual ~plCylinderIsect(); |
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CLASSNAME_REGISTER( plCylinderIsect ); |
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GETINTERFACE_ANY( plCylinderIsect, plVolumeIsect ); |
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void SetCylinder(const hsPoint3& lTop, const hsPoint3& lBot, hsScalar radius); |
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void SetCylinder(const hsPoint3& lBot, const hsVector3& axis, hsScalar radius); |
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virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
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virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
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virtual hsScalar Test(const hsPoint3& pos) const; |
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virtual void Read(hsStream* s, hsResMgr* mgr); |
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virtual void Write(hsStream* s, hsResMgr* mgr); |
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}; |
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class plParallelIsect : public plVolumeIsect |
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{ |
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protected: |
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class ParPlane |
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{ |
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public: |
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hsVector3 fNorm; |
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hsScalar fMin; |
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hsScalar fMax; |
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hsPoint3 fPosOne; |
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hsPoint3 fPosTwo; |
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}; |
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hsTArray<ParPlane> fPlanes; |
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public: |
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plParallelIsect(); |
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virtual ~plParallelIsect(); |
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CLASSNAME_REGISTER( plParallelIsect ); |
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GETINTERFACE_ANY( plParallelIsect, plVolumeIsect ); |
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void SetNumPlanes(int n); // each plane is really two parallel planes |
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UInt16 GetNumPlanes() const { return fPlanes.GetCount(); } |
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void SetPlane(int which, const hsPoint3& locPosOne, const hsPoint3& locPosTwo); |
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virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
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virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
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virtual hsScalar Test(const hsPoint3& pos) const; |
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virtual void Read(hsStream* s, hsResMgr* mgr); |
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virtual void Write(hsStream* s, hsResMgr* mgr); |
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}; |
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class plConvexIsect : public plVolumeIsect |
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{ |
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protected: |
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class SinglePlane |
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{ |
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public: |
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hsVector3 fNorm; |
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hsScalar fDist; |
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hsPoint3 fPos; |
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hsVector3 fWorldNorm; |
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hsScalar fWorldDist; |
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}; |
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hsTArray<SinglePlane> fPlanes; |
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public: |
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plConvexIsect(); |
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virtual ~plConvexIsect(); |
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CLASSNAME_REGISTER( plConvexIsect ); |
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GETINTERFACE_ANY( plConvexIsect, plVolumeIsect ); |
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void ClearPlanes() { fPlanes.SetCount(0); } |
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void AddPlaneUnchecked(const hsVector3& n, hsScalar dist); // no validation here |
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void AddPlane(const hsVector3& n, const hsPoint3& p); |
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UInt16 GetNumPlanes() const { return fPlanes.GetCount(); } |
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virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
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virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
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virtual hsScalar Test(const hsPoint3& pos) const; |
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virtual void Read(hsStream* s, hsResMgr* mgr); |
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virtual void Write(hsStream* s, hsResMgr* mgr); |
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}; |
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class plBoundsIsect : public plVolumeIsect |
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{ |
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protected: |
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hsBounds3Ext fLocalBounds; |
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hsBounds3Ext fWorldBounds; |
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public: |
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plBoundsIsect(); |
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virtual ~plBoundsIsect(); |
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CLASSNAME_REGISTER( plBoundsIsect ); |
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GETINTERFACE_ANY( plBoundsIsect, plVolumeIsect ); |
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void SetBounds(const hsBounds3Ext& bnd); |
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virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
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virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
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virtual hsScalar Test(const hsPoint3& pos) const; |
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virtual void Read(hsStream* s, hsResMgr* mgr); |
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virtual void Write(hsStream* s, hsResMgr* mgr); |
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}; |
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class plComplexIsect : public plVolumeIsect |
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{ |
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protected: |
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hsTArray<plVolumeIsect*> fVolumes; |
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public: |
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plComplexIsect(); |
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virtual ~plComplexIsect(); |
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CLASSNAME_REGISTER( plComplexIsect ); |
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GETINTERFACE_ANY( plComplexIsect, plVolumeIsect ); |
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void AddVolume(plVolumeIsect* v); // Will capture pointer |
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UInt16 GetNumVolumes() const { return fVolumes.GetCount(); } |
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virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
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virtual void Read(hsStream* s, hsResMgr* mgr); |
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virtual void Write(hsStream* s, hsResMgr* mgr); |
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}; |
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class plUnionIsect : public plComplexIsect |
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{ |
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public: |
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plUnionIsect(); |
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~plUnionIsect(); |
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CLASSNAME_REGISTER( plUnionIsect ); |
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GETINTERFACE_ANY( plUnionIsect, plComplexIsect ); |
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virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
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virtual hsScalar Test(const hsPoint3& pos) const; |
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}; |
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class plIntersectionIsect : public plComplexIsect |
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{ |
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public: |
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plIntersectionIsect(); |
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~plIntersectionIsect(); |
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CLASSNAME_REGISTER( plIntersectionIsect ); |
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GETINTERFACE_ANY( plIntersectionIsect, plComplexIsect ); |
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virtual plVolumeCullResult Test(const hsBounds3Ext& bnd) const; |
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virtual hsScalar Test(const hsPoint3& pos) const; |
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}; |
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#endif // plVolumeIsect_inc
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