mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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128 lines
4 KiB
C++
128 lines
4 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef _PARTICLE_H_
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#define _PARTICLE_H_
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#ifndef _GAMEBASE_H_
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#include "T3D/gameBase/gameBase.h"
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#endif
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#ifndef _GFXTEXTUREHANDLE_H_
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#include "gfx/gfxTextureHandle.h"
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#endif
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#define MaxParticleSize 50.0
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struct Particle;
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//*****************************************************************************
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// Particle Data
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//*****************************************************************************
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class ParticleData : public SimDataBlock
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{
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typedef SimDataBlock Parent;
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public:
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enum PDConst
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{
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PDC_NUM_KEYS = 4,
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};
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F32 dragCoefficient;
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F32 windCoefficient;
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F32 gravityCoefficient;
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F32 inheritedVelFactor;
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F32 constantAcceleration;
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S32 lifetimeMS;
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S32 lifetimeVarianceMS;
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F32 spinSpeed; // degrees per second
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F32 spinRandomMin;
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F32 spinRandomMax;
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bool useInvAlpha;
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bool animateTexture;
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U32 numFrames;
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U32 framesPerSec;
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ColorF colors[ PDC_NUM_KEYS ];
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F32 sizes[ PDC_NUM_KEYS ];
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F32 times[ PDC_NUM_KEYS ];
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Point2F* animTexUVs;
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Point2F texCoords[4]; // default: {{0.0,0.0}, {0.0,1.0}, {1.0,1.0}, {1.0,0.0}}
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Point2I animTexTiling;
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StringTableEntry animTexFramesString;
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Vector<U8> animTexFrames;
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StringTableEntry textureName;
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GFXTexHandle textureHandle;
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static bool protectedSetTimes( void *object, const char *index, const char *data );
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public:
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ParticleData();
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~ParticleData();
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// move this procedure to Particle
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void initializeParticle(Particle*, const Point3F&);
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void packData(BitStream* stream);
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void unpackData(BitStream* stream);
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bool onAdd();
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bool preload(bool server, String &errorStr);
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DECLARE_CONOBJECT(ParticleData);
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static void initPersistFields();
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bool reload(char errorBuffer[256]);
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};
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//*****************************************************************************
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// Particle
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//
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// This structure should be as small as possible.
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//*****************************************************************************
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struct Particle
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{
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Point3F pos; // current instantaneous position
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Point3F vel; // " " velocity
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Point3F acc; // Constant acceleration
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Point3F orientDir; // direction particle should go if using oriented particles
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U32 totalLifetime; // Total ms that this instance should be "live"
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ParticleData* dataBlock; // datablock that contains global parameters for
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// this instance
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U32 currentAge;
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// are these necessary to store here? - they are interpolated in real time
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ColorF color;
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F32 size;
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F32 spinSpeed;
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Particle * next;
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};
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#endif // _PARTICLE_H_
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