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285 lines
12 KiB
C++
285 lines
12 KiB
C++
//
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// ParticleEffectEntityItem.h
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// libraries/entities/src
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//
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// Created by Jason Rickwald on 3/2/15.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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#ifndef hifi_ParticleEffectEntityItem_h
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#define hifi_ParticleEffectEntityItem_h
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#include <AnimationLoop.h>
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#include "EntityItem.h"
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class ParticleEffectEntityItem : public EntityItem {
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public:
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static EntityItemPointer factory(const EntityItemID& entityID, const EntityItemProperties& properties);
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ParticleEffectEntityItem(const EntityItemID& entityItemID, const EntityItemProperties& properties);
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virtual ~ParticleEffectEntityItem();
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ALLOW_INSTANTIATION // This class can be instantiated
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// methods for getting/setting all properties of this entity
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virtual EntityItemProperties getProperties() const;
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virtual bool setProperties(const EntityItemProperties& properties);
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virtual EntityPropertyFlags getEntityProperties(EncodeBitstreamParams& params) const;
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virtual void appendSubclassData(OctreePacketData* packetData, EncodeBitstreamParams& params,
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EntityTreeElementExtraEncodeData* modelTreeElementExtraEncodeData,
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EntityPropertyFlags& requestedProperties,
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EntityPropertyFlags& propertyFlags,
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EntityPropertyFlags& propertiesDidntFit,
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int& propertyCount,
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OctreeElement::AppendState& appendState) const;
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virtual int readEntitySubclassDataFromBuffer(const unsigned char* data, int bytesLeftToRead,
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ReadBitstreamToTreeParams& args,
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EntityPropertyFlags& propertyFlags, bool overwriteLocalData);
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virtual void update(const quint64& now);
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virtual bool needsToCallUpdate() const;
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const rgbColor& getColor() const { return _color; }
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xColor getXColor() const { xColor color = { _color[RED_INDEX], _color[GREEN_INDEX], _color[BLUE_INDEX] }; return color; }
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static const xColor DEFAULT_COLOR;
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void setColor(const rgbColor& value) { memcpy(_color, value, sizeof(_color)); }
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void setColor(const xColor& value) {
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_color[RED_INDEX] = value.red;
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_color[GREEN_INDEX] = value.green;
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_color[BLUE_INDEX] = value.blue;
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}
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bool _isColorStartInitialized = false;
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void setColorStart(const xColor& colorStart) { _colorStart = colorStart; _isColorStartInitialized = true; }
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xColor getColorStart() const { return _isColorStartInitialized ? _colorStart : getXColor(); }
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bool _isColorFinishInitialized = false;
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void setColorFinish(const xColor& colorFinish) { _colorFinish = colorFinish; _isColorFinishInitialized = true; }
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xColor getColorFinish() const { return _isColorFinishInitialized ? _colorFinish : getXColor(); }
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static const xColor DEFAULT_COLOR_SPREAD;
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void setColorSpread(const xColor& colorSpread) { _colorSpread = colorSpread; }
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xColor getColorSpread() const { return _colorSpread; }
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static const float DEFAULT_ALPHA;
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void setAlpha(float alpha) { _alpha = alpha; }
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float getAlpha() const { return _alpha; }
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static const float DEFAULT_ALPHA_START;
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bool _isAlphaStartInitialized = false;
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void setAlphaStart(float alphaStart) { _alphaStart = alphaStart; _isAlphaStartInitialized = true; }
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float getAlphaStart() const { return _isAlphaStartInitialized ? _alphaStart : _alpha; }
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static const float DEFAULT_ALPHA_FINISH;
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bool _isAlphaFinishInitialized = false;
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void setAlphaFinish(float alphaFinish) { _alphaFinish = alphaFinish; _isAlphaFinishInitialized = true; }
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float getAlphaFinish() const { return _isAlphaFinishInitialized ? _alphaFinish : _alpha; }
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static const float DEFAULT_ALPHA_SPREAD;
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void setAlphaSpread(float alphaSpread) { _alphaSpread = alphaSpread; }
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float getAlphaSpread() const { return _alphaSpread; }
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void updateShapeType(ShapeType type);
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virtual ShapeType getShapeType() const { return _shapeType; }
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virtual void debugDump() const;
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static const float DEFAULT_ANIMATION_FRAME_INDEX;
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void setAnimationFrameIndex(float value);
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void setAnimationSettings(const QString& value);
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static const bool DEFAULT_ANIMATION_IS_PLAYING;
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void setAnimationIsPlaying(bool value);
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static const float DEFAULT_ANIMATION_FPS;
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void setAnimationFPS(float value);
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void setAnimationLoop(bool loop) { _animationLoop.setLoop(loop); }
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bool getAnimationLoop() const { return _animationLoop.getLoop(); }
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void setAnimationHold(bool hold) { _animationLoop.setHold(hold); }
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bool getAnimationHold() const { return _animationLoop.getHold(); }
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void setAnimationStartAutomatically(bool startAutomatically) { _animationLoop.setStartAutomatically(startAutomatically); }
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bool getAnimationStartAutomatically() const { return _animationLoop.getStartAutomatically(); }
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void setAnimationFirstFrame(float firstFrame) { _animationLoop.setFirstFrame(firstFrame); }
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float getAnimationFirstFrame() const { return _animationLoop.getFirstFrame(); }
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void setAnimationLastFrame(float lastFrame) { _animationLoop.setLastFrame(lastFrame); }
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float getAnimationLastFrame() const { return _animationLoop.getLastFrame(); }
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static const quint32 DEFAULT_MAX_PARTICLES;
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void setMaxParticles(quint32 maxParticles);
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quint32 getMaxParticles() const { return _maxParticles; }
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static const float DEFAULT_LIFESPAN;
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void setLifespan(float lifespan) { _lifespan = lifespan; }
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float getLifespan() const { return _lifespan; }
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static const float DEFAULT_EMIT_RATE;
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void setEmitRate(float emitRate) { _emitRate = emitRate; }
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float getEmitRate() const { return _emitRate; }
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static const float DEFAULT_EMIT_SPEED;
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void setEmitSpeed(float emitSpeed);
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float getEmitSpeed() const { return _emitSpeed; }
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static const float DEFAULT_SPEED_SPREAD;
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void setSpeedSpread(float speedSpread);
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float getSpeedSpread() const { return _speedSpread; }
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static const glm::quat DEFAULT_EMIT_ORIENTATION;
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void setEmitOrientation(const glm::quat& emitOrientation);
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const glm::quat& getEmitOrientation() const { return _emitOrientation; }
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static const glm::vec3 DEFAULT_EMIT_RADIUS;
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void setEmitRadius(const glm::vec3& emitRadius);
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const glm::vec3& getEmitRadius() const { return _emitRadius; }
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static const float DEFAULT_EMIT_RADIUS_START;
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void setEmitRadiusStart(float emitRadiusStart) { _emitRadiusStart = emitRadiusStart; }
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float getEmitRadiusStart() const { return _emitRadiusStart; }
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static const float DEFAULT_POLAR_START;
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void setPolarStart(float polarStart) { _polarStart = polarStart; }
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float getPolarStart() const { return _polarStart; }
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static const float DEFAULT_POLAR_FINISH;
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void setPolarFinish(float polarFinish) { _polarFinish = polarFinish; }
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float getPolarFinish() const { return _polarFinish; }
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static const float DEFAULT_AZIMUTH_START;
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void setAzimuthStart(float azimuthStart) { _azimuthStart = azimuthStart; }
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float getAzimuthStart() const { return _azimuthStart; }
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static const float DEFAULT_AZIMUTH_FINISH;
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void setAzimuthFinish(float azimuthFinish) { _azimuthFinish = azimuthFinish; }
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float getAzimuthFinish() const { return _azimuthFinish; }
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static const glm::vec3 DEFAULT_EMIT_ACCELERATION;
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void setEmitAcceleration(const glm::vec3& emitAcceleration);
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const glm::vec3& getEmitAcceleration() const { return _emitAcceleration; }
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static const glm::vec3 DEFAULT_ACCELERATION_SPREAD;
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void setAccelerationSpread(const glm::vec3& accelerationSpread);
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const glm::vec3& getAccelerationSpread() const { return _accelerationSpread; }
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static const float DEFAULT_PARTICLE_RADIUS;
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void setParticleRadius(float particleRadius) { _particleRadius = particleRadius; }
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float getParticleRadius() const { return _particleRadius; }
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static const float DEFAULT_RADIUS_START;
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bool _isRadiusStartInitialized;
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void setRadiusStart(float radiusStart) { _radiusStart = radiusStart; _isRadiusStartInitialized = true; }
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float getRadiusStart() const { return _isRadiusStartInitialized ? _radiusStart : _particleRadius; }
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static const float DEFAULT_RADIUS_FINISH;
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bool _isRadiusFinishInitialized;
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void setRadiusFinish(float radiusFinish) { _radiusFinish = radiusFinish; _isRadiusFinishInitialized = true; }
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float getRadiusFinish() const { return _isRadiusFinishInitialized ? _radiusFinish : _particleRadius; }
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static const float DEFAULT_RADIUS_SPREAD;
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void setRadiusSpread(float radiusSpread) { _radiusSpread = radiusSpread; }
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float getRadiusSpread() const { return _radiusSpread; }
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void computeAndUpdateDimensions();
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bool getAnimationIsPlaying() const { return _animationLoop.isRunning(); }
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float getAnimationFrameIndex() const { return _animationLoop.getFrameIndex(); }
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float getAnimationFPS() const { return _animationLoop.getFPS(); }
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QString getAnimationSettings() const;
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static const QString DEFAULT_TEXTURES;
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const QString& getTextures() const { return _textures; }
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void setTextures(const QString& textures) {
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if (_textures != textures) {
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_textures = textures;
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_texturesChangedFlag = true;
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}
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}
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protected:
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bool isAnimatingSomething() const;
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void stepSimulation(float deltaTime);
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void updateRadius(quint32 index, float age);
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void updateColor(quint32 index, float age);
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void updateAlpha(quint32 index, float age);
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void extendBounds(const glm::vec3& point);
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void integrateParticle(quint32 index, float deltaTime);
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quint32 getLivingParticleCount() const;
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// the properties of this entity
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rgbColor _color;
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xColor _colorStart = DEFAULT_COLOR;
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xColor _colorFinish = DEFAULT_COLOR;
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xColor _colorSpread = DEFAULT_COLOR_SPREAD;
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float _alpha = DEFAULT_ALPHA;
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float _alphaStart = DEFAULT_ALPHA_START;
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float _alphaFinish = DEFAULT_ALPHA_FINISH;
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float _alphaSpread = DEFAULT_ALPHA_SPREAD;
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quint32 _maxParticles = DEFAULT_MAX_PARTICLES;
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float _lifespan = DEFAULT_LIFESPAN;
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float _emitRate = DEFAULT_EMIT_RATE;
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float _emitSpeed = DEFAULT_EMIT_SPEED;
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float _speedSpread = DEFAULT_SPEED_SPREAD;
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glm::quat _emitOrientation = DEFAULT_EMIT_ORIENTATION;
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glm::vec3 _emitRadius = DEFAULT_EMIT_RADIUS;
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float _emitRadiusStart = DEFAULT_EMIT_RADIUS_START;
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float _polarStart = DEFAULT_POLAR_START;
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float _polarFinish = DEFAULT_POLAR_FINISH;
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float _azimuthStart = DEFAULT_AZIMUTH_START;
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float _azimuthFinish = DEFAULT_AZIMUTH_FINISH;
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glm::vec3 _emitAcceleration = DEFAULT_EMIT_ACCELERATION;
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glm::vec3 _accelerationSpread = DEFAULT_ACCELERATION_SPREAD;
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float _particleRadius = DEFAULT_PARTICLE_RADIUS;
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float _radiusStart = DEFAULT_RADIUS_START;
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float _radiusFinish = DEFAULT_RADIUS_FINISH;
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float _radiusSpread = DEFAULT_RADIUS_SPREAD;
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quint64 _lastAnimated;
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AnimationLoop _animationLoop;
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QString _animationSettings;
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QString _textures = DEFAULT_TEXTURES;
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bool _texturesChangedFlag = false;
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ShapeType _shapeType = SHAPE_TYPE_NONE;
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// all the internals of running the particle sim
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QVector<float> _particleLifetimes;
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QVector<glm::vec3> _particlePositions;
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QVector<glm::vec3> _particleVelocities;
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QVector<glm::vec3> _particleAccelerations;
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QVector<float> _particleRadiuses;
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QVector<float> _radiusStarts;
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QVector<float> _radiusMiddles;
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QVector<float> _radiusFinishes;
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QVector<xColor> _particleColors;
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QVector<xColor> _colorStarts;
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QVector<xColor> _colorMiddles;
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QVector<xColor> _colorFinishes;
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QVector<float> _particleAlphas;
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QVector<float> _alphaStarts;
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QVector<float> _alphaMiddles;
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QVector<float> _alphaFinishes;
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float _timeUntilNextEmit = 0.0f;
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// particle arrays are a ring buffer, use these indices
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// to keep track of the living particles.
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quint32 _particleHeadIndex = 0;
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quint32 _particleTailIndex = 0;
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// bounding volume
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glm::vec3 _particleMaxBound;
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glm::vec3 _particleMinBound;
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};
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#endif // hifi_ParticleEffectEntityItem_h
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