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Hoist MOULOpenSourceClientPlugin/Plasma20/* to top level
to match H'uru layout and make patching/cherry-picking easier.
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Sources/Plasma/PubUtilLib/plParticleSystem/plParticleEmitter.h
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Sources/Plasma/PubUtilLib/plParticleSystem/plParticleEmitter.h
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/*==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 plParticleEmitter_inc
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#define plParticleEmitter_inc
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#include "hsGeometry3.h"
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#include "hsBounds.h"
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#include "../pnNetCommon/plSynchedValue.h"
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#include "../CoreLib/hsColorRGBA.h"
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class hsBounds3Ext;
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class plParticleSystem;
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class plParticleCore;
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class plParticleExt;
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class plParticleGenerator;
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class plSimpleParticleGenerator;
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class hsResMgr;
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#include "plEffectTargetInfo.h"
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// This just holds a bunch of parameters for an emission location. A particle system can have several of these
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class plParticleEmitter : public plCreatable
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{
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friend plParticleSystem;
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friend plSimpleParticleGenerator;
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public:
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plParticleEmitter();
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~plParticleEmitter();
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void Init(plParticleSystem *system, UInt32 maxParticles, UInt32 spanIndex, UInt32 miscFlags,
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plParticleGenerator *gen = nil);
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void Clone(plParticleEmitter* src, UInt32 spanIndex);
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plParticleCore *GetParticleArray() const { return fParticleCores; }
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UInt32 GetParticleCount() const { return fNumValidParticles; }
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UInt32 GetNumTiles() const;
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const hsBounds3Ext &GetBoundingBox() const { return fBoundBox; }
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UInt32 GetSpanIndex() const { return fSpanIndex; }
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const hsMatrix44 &GetLocalToWorld() const;
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void AddParticle(hsPoint3 &pos, hsVector3 &velocity, UInt32 tileIndex,
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hsScalar hSize, hsScalar vSize, hsScalar scale, hsScalar invMass, hsScalar life,
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hsPoint3 &orientation, UInt32 miscFlags, hsScalar radsPerSec=0);
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void WipeExistingParticles();
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void KillParticles(hsScalar num, hsScalar timeToDie, UInt8 flags);
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UInt16 StealParticlesFrom(plParticleEmitter *victim, UInt16 num); // returns the number actually stolen
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void TranslateAllParticles(hsPoint3 &amount); // Used to recenter the system when linking between ages.
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void UpdateGenerator(UInt32 paramID, hsScalar paramValue);
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static UInt32 CreateHexColor(const hsColorRGBA &color);
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static UInt32 CreateHexColor(const hsScalar r, const hsScalar g, const hsScalar b, const hsScalar a);
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void OverrideLocalToWorld(const hsMatrix44& l2w);
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void UnOverrideLocalToWorld() { fMiscFlags &= ~kOverrideLocalToWorld; }
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hsBool LocalToWorldOverridden() const { return 0 != (fMiscFlags & kOverrideLocalToWorld); }
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void SetTimeToLive(hsScalar dt) { fTimeToLive = dt; }
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hsScalar GetTimeToLive() const { return fTimeToLive; } // 0 time to live is never turn off.
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CLASSNAME_REGISTER( plParticleEmitter );
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GETINTERFACE_ANY( plParticleEmitter, plCreatable);
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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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enum // Miscellaneous flags
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{
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kMatIsEmissive = 0x00000001,
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kNormalUp = 0x00000010,
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kNormalVelUpVel = 0x00000020,
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kNormalFromCenter = 0x00000040,
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kNormalDynamicMask = kNormalVelUpVel | kNormalFromCenter, // precalc methods that need updating each frame
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kNormalPrecalcMask = kNormalDynamicMask | kNormalUp, // All types where emitter precalculates the normal
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kNormalViewFacing = 0x00000100,
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kNormalNearestLight = 0x00000200,
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kNeedsUpdate = 0x01000000,
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kBorrowedGenerator = 0x02000000,
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kOverrideLocalToWorld = 0x04000000,
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kOnReserve = 0x08000000,
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kOrientationUp = 0x10000000,
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kOrientationVelocityBased = 0x20000000,
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kOrientationVelocityStretch = 0x40000000,
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kOrientationVelocityFlow = 0x80000000,
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kOrientationVelocityMask = kOrientationVelocityBased | kOrientationVelocityStretch | kOrientationVelocityFlow, // Velocity dependent
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kOrientationMask = kOrientationUp | kOrientationVelocityMask,
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};
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UInt32 fMiscFlags;
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protected:
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plParticleSystem *fSystem; // The particle system this belongs to.
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plParticleCore *fParticleCores; // The particle pool, created on init, initialized as needed, and recycled.
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plParticleExt *fParticleExts; // Same mapping as the Core pool. Contains extra info the render pipeline
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// doesn't need.
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plParticleGenerator *fGenerator; // Optional auto generator (have this be nil if you don't want auto-generation)
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UInt32 fSpanIndex; // Index of the span that this emitter uses.
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UInt32 fNumValidParticles;
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UInt32 fMaxParticles;
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hsBounds3Ext fBoundBox;
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plEffectTargetInfo fTargetInfo; // A collection of pointers and strides that plParticleEffects will manipulate.
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hsColorRGBA fColor;
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hsMatrix44 fLocalToWorld;
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hsScalar fTimeToLive;
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void IClear();
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void ISetupParticleMem();
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void ISetSystem(plParticleSystem *sys) { fSystem = sys; }
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hsBool IUpdate(hsScalar delta);
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void IUpdateParticles(hsScalar delta);
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void IUpdateBoundsAndNormals(hsScalar delta);
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void IRemoveParticle(UInt32 index);
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};
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#endif
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