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83 lines
2.4 KiB
83 lines
2.4 KiB
14 years ago
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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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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 plEffectTargetInfo_inc
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#define plEffectTargetInfo_inc
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#include "hsTypes.h"
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struct hsPoint3;
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class plPipeline;
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class plParticleSystem;
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// This is the rendering context passed into an effect to let it cache up
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// anything it needs to compute that will be the same for all particles.
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// Not a lot of context to go on to begin with, but this will let that
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// expand without any interface changes.
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class plParticleContext
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{
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public:
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plPipeline* fPipeline;
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plParticleSystem* fSystem;
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double fSecs;
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hsScalar fDelSecs;
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};
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// This is just a collection of arrays and strides that a plParticleEffect object will reference and modify
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// in the course of doing its job.
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class plEffectTargetInfo
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{
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public:
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// Byte arrays. Declared as type UInt8 so that adding the stride to the pointer is guaranteed to advance
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// the exact number of bytes.
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UInt8 *fPos;
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UInt8 *fVelocity;
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UInt8 *fInvMass;
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UInt8 *fAcceleration;
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UInt8 *fColor;
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UInt8 *fRadsPerSec;
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UInt8 *fMiscFlags;
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UInt32 fPosStride;
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UInt32 fVelocityStride;
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UInt32 fInvMassStride;
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UInt32 fAccelerationStride;
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UInt32 fColorStride;
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UInt32 fRadsPerSecStride;
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UInt32 fMiscFlagsStride;
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plParticleContext fContext;
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UInt32 fNumValidParticles;
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UInt32 fFirstNewParticle;
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// We're going to need some sort of connectivity data for constraint satisfaction, but at least we have
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// a system that allows that to be added in smoothly when it's needed, so for now, let's get the main
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// goop working.
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};
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#endif
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