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.
172 lines
7.1 KiB
172 lines
7.1 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/>. |
|
|
|
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 plAnimPath_inc |
|
#define plAnimPath_inc |
|
|
|
#include "hsTemplates.h" |
|
#include "hsGeometry3.h" |
|
#include "hsMatrix44.h" |
|
#include "plTransform/hsAffineParts.h" |
|
#include "pnFactory/plCreatable.h" |
|
|
|
class plCompoundController; |
|
|
|
class plAnimPath : public plCreatable |
|
{ |
|
public: |
|
enum Flags |
|
{ |
|
kNone = 0x0, |
|
kFavorFwdSearch = 0x1, // only move fwd on the curve when searching |
|
kFavorBwdSearch = 0x2, // only move bwd on the curve when searching |
|
kCalcPosOnly = 0x4, // only compute pos when calling SetCurTime() |
|
kFarthest = 0x8, |
|
kWrap = 0x10, |
|
kIncrement = 0x20, // find the nearest / farthest point, but increment toward it |
|
}; |
|
protected: |
|
// The final product info |
|
hsMatrix44 fXform; |
|
hsPoint3 fPos; |
|
hsVector3 fVel; |
|
hsVector3 fAccel; |
|
hsScalar fTime; // presumably seconds |
|
|
|
// The paramters (and options) for this curve. |
|
UInt32 fAnimPathFlags; // currently set at runtime only |
|
hsScalar fMinDistSq; |
|
hsScalar fLength; // presumably seconds |
|
|
|
// Controller stuff only works in local space. |
|
hsMatrix44 fLocalToWorld; |
|
hsMatrix44 fWorldToLocal; |
|
|
|
// Bounding sphere available for ignoring out of range |
|
hsPoint3 fCenter; |
|
hsScalar fRadius; |
|
|
|
plCompoundController* fController; |
|
|
|
hsAffineParts fParts; |
|
|
|
// These are temps during a search. They're here to avoid recalc. |
|
mutable hsScalar fLastTime; |
|
mutable hsScalar fLastDistSq; |
|
mutable hsScalar fThisTime; |
|
mutable hsScalar fThisDistSq; |
|
mutable hsScalar fNextTime; |
|
mutable hsScalar fNextDistSq; |
|
mutable hsScalar fDelTime; |
|
mutable hsPoint3 fPrevPos, fCurPos; |
|
|
|
void ICalcBounds(); |
|
hsScalar ICalcTotalLength(); |
|
hsScalar IShiftFore(hsPoint3 &pt) const; |
|
hsScalar IShiftBack(hsPoint3 &pt) const; |
|
hsScalar ISubDivFore(hsPoint3 &pt) const; |
|
hsScalar ISubDivBack(hsPoint3 &pt) const; |
|
void IInitInterval(hsScalar time, hsScalar delTime, hsPoint3 &pt) const; |
|
hsScalar ICheckInterval(hsPoint3 &pt) const; |
|
hsScalar IBestTime() const { return fLastDistSq < fThisDistSq |
|
? (fLastDistSq < fNextDistSq |
|
? fLastTime |
|
: fNextTime) |
|
: (fThisDistSq < fNextDistSq |
|
? fThisTime |
|
: fNextTime); } |
|
|
|
// Visualization helper |
|
void IMakeSegment(hsTArray<UInt16>& idx, hsTArray<hsPoint3>& pos, |
|
hsPoint3& p1, hsPoint3& p2); |
|
|
|
// For computing arclen |
|
struct ArcLenDeltaInfo |
|
{ |
|
hsScalar fT; |
|
hsScalar fArcLenDelta; // arc len distance from prev sample point (array entry) |
|
ArcLenDeltaInfo(hsScalar t, hsScalar del) : fT(t),fArcLenDelta(del) {} |
|
ArcLenDeltaInfo() : fT(0),fArcLenDelta(0) {} |
|
}; |
|
hsTArray<ArcLenDeltaInfo> fArcLenDeltas; |
|
public: |
|
plAnimPath(); |
|
virtual ~plAnimPath(); |
|
|
|
CLASSNAME_REGISTER( plAnimPath ); |
|
GETINTERFACE_ANY( plAnimPath, plCreatable ); |
|
|
|
void Reset(); |
|
|
|
void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l); |
|
const hsMatrix44& GetLocalToWorld() const { return fLocalToWorld; } |
|
const hsMatrix44& GetWorldToLocal() const { return fWorldToLocal; } |
|
|
|
// Visualization helper |
|
void MakeDrawList(hsTArray<UInt16>& idx, hsTArray<hsPoint3>& pos); |
|
|
|
void SetAnimPathFlags(UInt32 f) { fAnimPathFlags=f; } |
|
UInt32 GetAnimPathFlags() const { return fAnimPathFlags; } |
|
|
|
void SetWrap(hsBool on) { if(on)fAnimPathFlags |= kWrap; else fAnimPathFlags &= ~kWrap; } |
|
hsBool GetWrap() const { return 0 != (fAnimPathFlags & kWrap); } |
|
|
|
void SetFarthest(hsBool on) { if(on)fAnimPathFlags |= kFarthest; else fAnimPathFlags &= ~kFarthest; } |
|
hsBool GetFarthest() const { return 0 != (fAnimPathFlags & kFarthest); } |
|
|
|
void SetCurTime(hsScalar t, UInt32 calcFlags=0); |
|
hsScalar GetCurTime() const { return fTime; } |
|
|
|
void SetController(plCompoundController* tmc); |
|
plCompoundController* GetController() const { return fController; } |
|
hsScalar GetLength() const { return fLength; } // seconds |
|
|
|
void SetMinDistance(hsScalar d) { fMinDistSq = d*d; } |
|
hsScalar GetMinDistance() const { return hsSquareRoot(fMinDistSq); } |
|
|
|
hsMatrix44* GetMatrix44(hsMatrix44* xOut) const { *xOut = fXform; return xOut; } |
|
hsPoint3* GetPosition(hsPoint3* pOut) const { *pOut = fPos; return pOut; } |
|
hsVector3* GetVelocity(hsVector3* vOut) const { *vOut = fVel; return vOut; } |
|
hsVector3* GetDirection(hsVector3* dOut) const { dOut->Set(fXform.fMap[0][2], fXform.fMap[1][2], fXform.fMap[2][2]); return dOut; } |
|
hsVector3* GetUp(hsVector3* uOut) const { uOut->Set(fXform.fMap[0][1], fXform.fMap[1][1], fXform.fMap[2][1]); return uOut; } |
|
hsVector3* GetAcceleration(hsVector3* aOut) const { *aOut = fAccel; return aOut; } |
|
|
|
hsBool OutOfRange(hsPoint3 &pt, hsScalar range) const; |
|
const hsAffineParts* Parts() const { return &fParts; } |
|
void InitParts(const hsAffineParts& p) { fParts = p; } |
|
|
|
hsScalar GetExtremePoint(hsPoint3 &worldPt) const; // Exhaustive search |
|
hsScalar GetExtremePoint(hsScalar lastTime, hsScalar delTime, hsPoint3 &worldPt) const; // Incremental search |
|
|
|
// for arclen usage |
|
void ComputeArcLenDeltas(Int32 numSamples=256); |
|
hsScalar GetLookAheadTime(hsScalar startTime, hsScalar arcLength, hsBool bwd, Int32* startSrchIdx); |
|
|
|
virtual void Read(hsStream* s, hsResMgr* mgr); |
|
virtual void Write(hsStream* s, hsResMgr* mgr); |
|
}; |
|
|
|
#endif //plAnimPath_inc
|
|
|