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170 lines
6.8 KiB
170 lines
6.8 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 HSMATRIX44_inc |
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#define HSMATRIX44_inc |
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#include "hsTypes.h" |
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#include "hsGeometry3.h" |
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class hsQuat; |
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//////////////////////////////////////////////////////////////////////////// |
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class hsStream; |
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struct hsMatrix44 { |
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enum { |
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kIsIdent = 0x1 |
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}; |
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enum { |
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kRight = 0, |
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kUp, |
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kView |
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}; |
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hsScalar fMap[4][4]; |
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UInt32 fFlags; |
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hsMatrix44() : fFlags(0) {} |
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hsMatrix44(const hsScalarTriple &translate, const hsQuat &rotate); |
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void DecompRigid(hsScalarTriple &translate, hsQuat &rotate) const; |
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static const hsMatrix44& IdentityMatrix(); |
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// worldToCameras and cameraToWorlds are arrays of 6 matrices. Returned are LEFT,RIGHT,FRONT,BACK,TOP,BOTTOM. |
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static void MakeEnvMapMatrices(const hsPoint3& pos, hsMatrix44* worldToCameras, hsMatrix44* cameraToWorlds); |
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static void MakeCameraMatrices(const hsPoint3& from, const hsPoint3& at, const hsVector3& up, hsMatrix44& worldToCamera, hsMatrix44& cameraToWorld); |
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// Concat transform |
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hsMatrix44& Translate(const hsVector3 *); |
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hsMatrix44& Scale(const hsVector3 *); |
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hsMatrix44& Rotate(int axis, hsScalar radians); |
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hsMatrix44& Reset(hsBool asIdent=true) |
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{ |
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fMap[0][0] = 1.0f; fMap[0][1] = 0.0f; fMap[0][2] = 0.0f; fMap[0][3] = 0.0f; |
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fMap[1][0] = 0.0f; fMap[1][1] = 1.0f; fMap[1][2] = 0.0f; fMap[1][3] = 0.0f; |
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fMap[2][0] = 0.0f; fMap[2][1] = 0.0f; fMap[2][2] = 1.0f; fMap[2][3] = 0.0f; |
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fMap[3][0] = 0.0f; fMap[3][1] = 0.0f; fMap[3][2] = 0.0f; fMap[3][3] = 1.0f; |
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fFlags = asIdent ? kIsIdent : 0; |
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return *this; |
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} |
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// Create matrix from scratch |
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hsMatrix44& MakeTranslateMat(const hsVector3 *trans); |
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hsMatrix44& MakeScaleMat(const hsVector3 *scale); |
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hsMatrix44& MakeRotateMat(int axis, hsScalar radians); |
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hsMatrix44& Make(const hsPoint3* from, const hsPoint3* at, |
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const hsVector3* up); // Not a camera matrix |
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hsMatrix44& MakeUpPreserving(const hsPoint3* from, const hsPoint3* at, |
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const hsVector3* up); // Not a camera matrix |
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// Camera matrix |
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hsMatrix44& MakeCamera(const hsPoint3* from, const hsPoint3* at, |
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const hsVector3* up); |
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hsMatrix44& MakeCameraUpPreserving(const hsPoint3* from, const hsPoint3* at, |
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const hsVector3* up); |
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hsBool GetParity() const; |
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hsScalar GetDeterminant() const; |
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hsMatrix44* GetInverse(hsMatrix44* inverse) const; |
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hsMatrix44* GetTranspose(hsMatrix44* inverse) const; |
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hsMatrix44* GetAdjoint(hsMatrix44* adjoint) const; |
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hsVector3* GetTranslate(hsVector3 *pt) const; |
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hsPoint3* GetTranslate(hsPoint3 *pt) const |
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{ return (hsPoint3*)GetTranslate((hsVector3*)pt); } |
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const hsPoint3 GetTranslate() const; |
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void GetAxis(hsVector3* view, hsVector3 *up, hsVector3* right); |
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void GetAxisFromCamera(hsVector3* view, hsVector3 *up, hsVector3* right); |
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const hsVector3 GetAxis(int i) const; |
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// Change component of matrix |
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hsMatrix44& SetTranslate(const hsScalarTriple *); |
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hsMatrix44& SetScale(const hsVector3 *); |
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hsMatrix44& SetRotate(int axis, hsScalar radians); |
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hsVector3 RemoveScale(); // returns old scale |
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void MakeXRotation(hsScalar radians); |
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void MakeYRotation(hsScalar radians); |
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void MakeZRotation(hsScalar radians); |
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#if 0 // Havok reeks |
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friend hsPoint3 operator*(const hsMatrix44& m, const hsPoint3& p) |
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{ |
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if( m.fFlags & hsMatrix44::kIsIdent ) |
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return p; |
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hsPoint3 rVal; |
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rVal.fX = hsScalarMul(p.fX, m.fMap[0][0]) + hsScalarMul(p.fY, m.fMap[0][1]) + hsScalarMul(p.fZ, m.fMap[0][2]) + m.fMap[0][3]; |
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rVal.fY = hsScalarMul(p.fX, m.fMap[1][0]) + hsScalarMul(p.fY, m.fMap[1][1]) + hsScalarMul(p.fZ, m.fMap[1][2]) + m.fMap[1][3]; |
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rVal.fZ = hsScalarMul(p.fX, m.fMap[2][0]) + hsScalarMul(p.fY, m.fMap[2][1]) + hsScalarMul(p.fZ, m.fMap[2][2]) + m.fMap[2][3]; |
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return rVal; |
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} |
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friend hsVector3 operator*(const hsMatrix44& m, const hsVector3& p); |
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friend hsMatrix44 operator*(const hsMatrix44& a, const hsMatrix44& b); |
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#else // Havok reeks |
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hsPoint3 operator*(const hsPoint3& p) const |
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{ |
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if( fFlags & hsMatrix44::kIsIdent ) |
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return p; |
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hsPoint3 rVal; |
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rVal.fX = hsScalarMul(p.fX, fMap[0][0]) + hsScalarMul(p.fY, fMap[0][1]) + hsScalarMul(p.fZ, fMap[0][2]) + fMap[0][3]; |
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rVal.fY = hsScalarMul(p.fX, fMap[1][0]) + hsScalarMul(p.fY, fMap[1][1]) + hsScalarMul(p.fZ, fMap[1][2]) + fMap[1][3]; |
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rVal.fZ = hsScalarMul(p.fX, fMap[2][0]) + hsScalarMul(p.fY, fMap[2][1]) + hsScalarMul(p.fZ, fMap[2][2]) + fMap[2][3]; |
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return rVal; |
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} |
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hsVector3 operator*(const hsVector3& p) const; |
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hsMatrix44 operator*(const hsMatrix44& b) const; |
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#endif // Havok reeks |
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hsPoint3* MapPoints(long count, hsPoint3 points[]) const; |
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hsBool IsIdentity(void); |
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void NotIdentity() { fFlags &= ~kIsIdent; } |
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#if 0 // Havok reeks |
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friend int operator==(const hsMatrix44& s, const hsMatrix44& t); |
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friend int operator!=(const hsMatrix44& s, const hsMatrix44& t); |
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#else // Havok reeks |
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hsBool operator==(const hsMatrix44& ss) const; |
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hsBool operator!=(const hsMatrix44& ss) const { return !(ss == *this); } |
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#endif // Havok reeks |
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void Read(hsStream *stream); |
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void Write(hsStream *stream); |
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} ATTRIBUTE_FOR_PS2; /* SUNSOFT */ |
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#if 0 // Havok reeks |
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inline int operator!=(const hsMatrix44& s, const hsMatrix44& t) |
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{ |
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return (!(s==t)); |
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} |
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#endif // Havok reeks |
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//////////////////////////////////////////////////////////////////////////// |
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#endif
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