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.
159 lines
6.3 KiB
159 lines
6.3 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 plParticleEmitter_inc |
|
#define plParticleEmitter_inc |
|
|
|
#include "hsGeometry3.h" |
|
#include "hsBounds.h" |
|
#include "../pnNetCommon/plSynchedValue.h" |
|
#include "../CoreLib/hsColorRGBA.h" |
|
|
|
class hsBounds3Ext; |
|
class plParticleSystem; |
|
class plParticleCore; |
|
class plParticleExt; |
|
class plParticleGenerator; |
|
class plSimpleParticleGenerator; |
|
class hsResMgr; |
|
|
|
#include "plEffectTargetInfo.h" |
|
|
|
// This just holds a bunch of parameters for an emission location. A particle system can have several of these |
|
|
|
class plParticleEmitter : public plCreatable |
|
{ |
|
friend plParticleSystem; |
|
friend plSimpleParticleGenerator; |
|
|
|
public: |
|
plParticleEmitter(); |
|
~plParticleEmitter(); |
|
void Init(plParticleSystem *system, UInt32 maxParticles, UInt32 spanIndex, UInt32 miscFlags, |
|
plParticleGenerator *gen = nil); |
|
void Clone(plParticleEmitter* src, UInt32 spanIndex); |
|
|
|
plParticleCore *GetParticleArray() const { return fParticleCores; } |
|
UInt32 GetParticleCount() const { return fNumValidParticles; } |
|
UInt32 GetNumTiles() const; |
|
const hsBounds3Ext &GetBoundingBox() const { return fBoundBox; } |
|
UInt32 GetSpanIndex() const { return fSpanIndex; } |
|
const hsMatrix44 &GetLocalToWorld() const; |
|
|
|
void AddParticle(hsPoint3 &pos, hsVector3 &velocity, UInt32 tileIndex, |
|
hsScalar hSize, hsScalar vSize, hsScalar scale, hsScalar invMass, hsScalar life, |
|
hsPoint3 &orientation, UInt32 miscFlags, hsScalar radsPerSec=0); |
|
void WipeExistingParticles(); |
|
void KillParticles(hsScalar num, hsScalar timeToDie, UInt8 flags); |
|
UInt16 StealParticlesFrom(plParticleEmitter *victim, UInt16 num); // returns the number actually stolen |
|
void TranslateAllParticles(hsPoint3 &amount); // Used to recenter the system when linking between ages. |
|
void UpdateGenerator(UInt32 paramID, hsScalar paramValue); |
|
|
|
static UInt32 CreateHexColor(const hsColorRGBA &color); |
|
static UInt32 CreateHexColor(const hsScalar r, const hsScalar g, const hsScalar b, const hsScalar a); |
|
|
|
void OverrideLocalToWorld(const hsMatrix44& l2w); |
|
void UnOverrideLocalToWorld() { fMiscFlags &= ~kOverrideLocalToWorld; } |
|
hsBool LocalToWorldOverridden() const { return 0 != (fMiscFlags & kOverrideLocalToWorld); } |
|
void SetTimeToLive(hsScalar dt) { fTimeToLive = dt; } |
|
hsScalar GetTimeToLive() const { return fTimeToLive; } // 0 time to live is never turn off. |
|
|
|
CLASSNAME_REGISTER( plParticleEmitter ); |
|
GETINTERFACE_ANY( plParticleEmitter, plCreatable); |
|
|
|
virtual void Read(hsStream* s, hsResMgr *mgr); |
|
virtual void Write(hsStream* s, hsResMgr *mgr); |
|
|
|
enum // Miscellaneous flags |
|
{ |
|
kMatIsEmissive = 0x00000001, |
|
|
|
kNormalUp = 0x00000010, |
|
kNormalVelUpVel = 0x00000020, |
|
kNormalFromCenter = 0x00000040, |
|
kNormalDynamicMask = kNormalVelUpVel | kNormalFromCenter, // precalc methods that need updating each frame |
|
kNormalPrecalcMask = kNormalDynamicMask | kNormalUp, // All types where emitter precalculates the normal |
|
|
|
kNormalViewFacing = 0x00000100, |
|
kNormalNearestLight = 0x00000200, |
|
|
|
kNeedsUpdate = 0x01000000, |
|
kBorrowedGenerator = 0x02000000, |
|
kOverrideLocalToWorld = 0x04000000, |
|
kOnReserve = 0x08000000, |
|
|
|
kOrientationUp = 0x10000000, |
|
kOrientationVelocityBased = 0x20000000, |
|
kOrientationVelocityStretch = 0x40000000, |
|
kOrientationVelocityFlow = 0x80000000, |
|
kOrientationVelocityMask = kOrientationVelocityBased | kOrientationVelocityStretch | kOrientationVelocityFlow, // Velocity dependent |
|
kOrientationMask = kOrientationUp | kOrientationVelocityMask, |
|
}; |
|
UInt32 fMiscFlags; |
|
|
|
protected: |
|
|
|
plParticleSystem *fSystem; // The particle system this belongs to. |
|
plParticleCore *fParticleCores; // The particle pool, created on init, initialized as needed, and recycled. |
|
plParticleExt *fParticleExts; // Same mapping as the Core pool. Contains extra info the render pipeline |
|
// doesn't need. |
|
|
|
plParticleGenerator *fGenerator; // Optional auto generator (have this be nil if you don't want auto-generation) |
|
UInt32 fSpanIndex; // Index of the span that this emitter uses. |
|
UInt32 fNumValidParticles; |
|
UInt32 fMaxParticles; |
|
hsBounds3Ext fBoundBox; |
|
plEffectTargetInfo fTargetInfo; // A collection of pointers and strides that plParticleEffects will manipulate. |
|
hsColorRGBA fColor; |
|
|
|
hsMatrix44 fLocalToWorld; |
|
hsScalar fTimeToLive; |
|
|
|
void IClear(); |
|
void ISetupParticleMem(); |
|
void ISetSystem(plParticleSystem *sys) { fSystem = sys; } |
|
hsBool IUpdate(hsScalar delta); |
|
void IUpdateParticles(hsScalar delta); |
|
void IUpdateBoundsAndNormals(hsScalar delta); |
|
void IRemoveParticle(UInt32 index); |
|
}; |
|
|
|
#endif
|
|
|