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188 lines
6.8 KiB
188 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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Additional permissions under GNU GPL version 3 section 7 |
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If you modify this Program, or any covered work, by linking or |
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
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(or a modified version of those libraries), |
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
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licensors of this Program grant you additional |
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permission to convey the resulting work. Corresponding Source for a |
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non-source form of such a combination shall include the source code for |
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
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work. |
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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 plAnimPath_inc |
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#define plAnimPath_inc |
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#include "hsTemplates.h" |
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#include "hsGeometry3.h" |
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#include "hsMatrix44.h" |
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#include "../plTransform/hsAffineParts.h" |
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#include "../pnFactory/plCreatable.h" |
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class plCompoundController; |
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class plAnimPath : public plCreatable |
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{ |
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public: |
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enum Flags |
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{ |
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kNone = 0x0, |
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kFavorFwdSearch = 0x1, // only move fwd on the curve when searching |
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kFavorBwdSearch = 0x2, // only move bwd on the curve when searching |
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kCalcPosOnly = 0x4, // only compute pos when calling SetCurTime() |
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kFarthest = 0x8, |
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kWrap = 0x10, |
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kIncrement = 0x20, // find the nearest / farthest point, but increment toward it |
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}; |
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protected: |
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// The final product info |
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hsMatrix44 fXform; |
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hsPoint3 fPos; |
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hsVector3 fVel; |
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hsVector3 fAccel; |
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hsScalar fTime; // presumably seconds |
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// The paramters (and options) for this curve. |
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UInt32 fAnimPathFlags; // currently set at runtime only |
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hsScalar fMinDistSq; |
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hsScalar fLength; // presumably seconds |
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// Controller stuff only works in local space. |
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hsMatrix44 fLocalToWorld; |
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hsMatrix44 fWorldToLocal; |
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// Bounding sphere available for ignoring out of range |
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hsPoint3 fCenter; |
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hsScalar fRadius; |
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plCompoundController* fController; |
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hsAffineParts fParts; |
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// These are temps during a search. They're here to avoid recalc. |
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mutable hsScalar fLastTime; |
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mutable hsScalar fLastDistSq; |
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mutable hsScalar fThisTime; |
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mutable hsScalar fThisDistSq; |
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mutable hsScalar fNextTime; |
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mutable hsScalar fNextDistSq; |
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mutable hsScalar fDelTime; |
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mutable hsPoint3 fPrevPos, fCurPos; |
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void ICalcBounds(); |
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hsScalar ICalcTotalLength(); |
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hsScalar IShiftFore(hsPoint3 &pt) const; |
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hsScalar IShiftBack(hsPoint3 &pt) const; |
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hsScalar ISubDivFore(hsPoint3 &pt) const; |
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hsScalar ISubDivBack(hsPoint3 &pt) const; |
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void IInitInterval(hsScalar time, hsScalar delTime, hsPoint3 &pt) const; |
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hsScalar ICheckInterval(hsPoint3 &pt) const; |
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hsScalar IBestTime() const { return fLastDistSq < fThisDistSq |
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? (fLastDistSq < fNextDistSq |
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? fLastTime |
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: fNextTime) |
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: (fThisDistSq < fNextDistSq |
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? fThisTime |
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: fNextTime); } |
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// Visualization helper |
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void IMakeSegment(hsTArray<UInt16>& idx, hsTArray<hsPoint3>& pos, |
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hsPoint3& p1, hsPoint3& p2); |
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// For computing arclen |
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struct ArcLenDeltaInfo |
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{ |
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hsScalar fT; |
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hsScalar fArcLenDelta; // arc len distance from prev sample point (array entry) |
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ArcLenDeltaInfo(hsScalar t, hsScalar del) : fT(t),fArcLenDelta(del) {} |
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ArcLenDeltaInfo() : fT(0),fArcLenDelta(0) {} |
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}; |
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hsTArray<ArcLenDeltaInfo> fArcLenDeltas; |
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public: |
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plAnimPath(); |
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virtual ~plAnimPath(); |
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CLASSNAME_REGISTER( plAnimPath ); |
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GETINTERFACE_ANY( plAnimPath, plCreatable ); |
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void Reset(); |
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void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
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const hsMatrix44& GetLocalToWorld() const { return fLocalToWorld; } |
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const hsMatrix44& GetWorldToLocal() const { return fWorldToLocal; } |
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// Visualization helper |
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void MakeDrawList(hsTArray<UInt16>& idx, hsTArray<hsPoint3>& pos); |
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void SetAnimPathFlags(UInt32 f) { fAnimPathFlags=f; } |
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UInt32 GetAnimPathFlags() const { return fAnimPathFlags; } |
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void SetWrap(hsBool on) { if(on)fAnimPathFlags |= kWrap; else fAnimPathFlags &= ~kWrap; } |
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hsBool GetWrap() const { return 0 != (fAnimPathFlags & kWrap); } |
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void SetFarthest(hsBool on) { if(on)fAnimPathFlags |= kFarthest; else fAnimPathFlags &= ~kFarthest; } |
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hsBool GetFarthest() const { return 0 != (fAnimPathFlags & kFarthest); } |
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void SetCurTime(hsScalar t, UInt32 calcFlags=0); |
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hsScalar GetCurTime() const { return fTime; } |
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void SetController(plCompoundController* tmc); |
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plCompoundController* GetController() const { return fController; } |
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hsScalar GetLength() const { return fLength; } // seconds |
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void SetMinDistance(hsScalar d) { fMinDistSq = d*d; } |
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hsScalar GetMinDistance() const { return hsSquareRoot(fMinDistSq); } |
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hsMatrix44* GetMatrix44(hsMatrix44* xOut) const { *xOut = fXform; return xOut; } |
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hsPoint3* GetPosition(hsPoint3* pOut) const { *pOut = fPos; return pOut; } |
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hsVector3* GetVelocity(hsVector3* vOut) const { *vOut = fVel; return vOut; } |
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hsVector3* GetDirection(hsVector3* dOut) const { dOut->Set(fXform.fMap[0][2], fXform.fMap[1][2], fXform.fMap[2][2]); return dOut; } |
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hsVector3* GetUp(hsVector3* uOut) const { uOut->Set(fXform.fMap[0][1], fXform.fMap[1][1], fXform.fMap[2][1]); return uOut; } |
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hsVector3* GetAcceleration(hsVector3* aOut) const { *aOut = fAccel; return aOut; } |
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hsBool OutOfRange(hsPoint3 &pt, hsScalar range) const; |
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const hsAffineParts* Parts() const { return &fParts; } |
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void InitParts(const hsAffineParts& p) { fParts = p; } |
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hsScalar GetExtremePoint(hsPoint3 &worldPt) const; // Exhaustive search |
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hsScalar GetExtremePoint(hsScalar lastTime, hsScalar delTime, hsPoint3 &worldPt) const; // Incremental search |
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// for arclen usage |
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void ComputeArcLenDeltas(Int32 numSamples=256); |
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hsScalar GetLookAheadTime(hsScalar startTime, hsScalar arcLength, hsBool bwd, Int32* startSrchIdx); |
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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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#endif plAnimPath_inc
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