[4597] | 1 | /* |
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[1853] | 2 | orxonox - the future of 3D-vertical-scrollers |
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| 3 | |
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| 4 | Copyright (C) 2004 orx |
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| 5 | |
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| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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[1855] | 10 | |
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| 11 | ### File Specific: |
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[3925] | 12 | main-programmer: Benjamin Grauer |
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[1855] | 13 | co-programmer: ... |
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[1853] | 14 | */ |
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| 15 | |
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[7301] | 16 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_GRAPHICS |
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[1853] | 17 | |
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[3925] | 18 | #include "particle_system.h" |
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[1853] | 19 | |
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[3930] | 20 | #include "particle_emitter.h" |
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[4338] | 21 | |
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| 22 | #include "field.h" |
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[5511] | 23 | #include "model.h" |
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[4338] | 24 | |
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[7193] | 25 | #include "util/loading/load_param.h" |
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| 26 | #include "util/loading/factory.h" |
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[3942] | 27 | #include "material.h" |
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[4338] | 28 | #include "state.h" |
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[5446] | 29 | #include "shell_command.h" |
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[3930] | 30 | |
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[5944] | 31 | #include "parser/tinyxml/tinyxml.h" |
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[6612] | 32 | #include <algorithm> |
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[4338] | 33 | |
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[9715] | 34 | ObjectListDefinition(ParticleSystem); |
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[9406] | 35 | |
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[3245] | 36 | /** |
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[4836] | 37 | * standard constructor |
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| 38 | * @param maxCount the Count of particles in the System |
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| 39 | * @param type The Type of the ParticleSystem |
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[3245] | 40 | */ |
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[6621] | 41 | ParticleSystem::ParticleSystem (unsigned int maxCount) |
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[3365] | 42 | { |
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[9686] | 43 | this->registerObject(this, ParticleSystem::_objectList); |
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[4597] | 44 | |
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[7300] | 45 | this->setMaxCount(PARTICLE_DEFAULT_MAX_COUNT); |
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| 46 | this->count = 0; |
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| 47 | this->particles = NULL; |
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| 48 | this->deadList = NULL; |
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| 49 | this->conserve = 1.0; |
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| 50 | this->lifeSpan = 1.0; this->randomLifeSpan = 0.0; |
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| 51 | |
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| 52 | this->toList(OM_ENVIRON); |
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| 53 | |
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| 54 | this->maxCount = maxCount; |
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[3365] | 55 | } |
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[1853] | 56 | |
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[4677] | 57 | /** |
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[9656] | 58 | * @brief standard deconstructor |
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| 59 | */ |
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[4176] | 60 | ParticleSystem::~ParticleSystem() |
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[3543] | 61 | { |
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[6625] | 62 | // deleting all the living Particles |
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| 63 | while (this->particles) |
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| 64 | { |
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| 65 | Particle* tmpDelPart = this->particles; |
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| 66 | this->particles = this->particles->next; |
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| 67 | delete tmpDelPart; |
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| 68 | } |
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[4123] | 69 | |
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[6625] | 70 | // deleting all the dead particles |
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| 71 | while (this->deadList) |
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| 72 | { |
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| 73 | Particle* tmpDelPart = this->deadList; |
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| 74 | this->deadList = this->deadList->next; |
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| 75 | delete tmpDelPart; |
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| 76 | } |
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[4176] | 77 | |
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[6625] | 78 | while(!this->emitters.empty()) |
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| 79 | { |
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| 80 | this->removeEmitter(this->emitters.front()); |
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| 81 | } |
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[6623] | 82 | |
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[3543] | 83 | } |
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[1853] | 84 | |
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[4602] | 85 | |
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| 86 | /** |
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[9656] | 87 | * @brief loads Parameters from a TiXmlElement |
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[4602] | 88 | * @param root the XML-element to load from. |
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| 89 | */ |
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| 90 | void ParticleSystem::loadParams(const TiXmlElement* root) |
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| 91 | { |
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[6512] | 92 | WorldEntity::loadParams(root); |
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| 93 | PhysicsInterface::loadParams(root); |
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[4602] | 94 | |
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[5671] | 95 | LoadParam(root, "max-count", this, ParticleSystem, setMaxCount) |
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[6625] | 96 | .describe("the maximal count of Particles, that can be emitted into this system"); |
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[4727] | 97 | |
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[5671] | 98 | LoadParam(root, "life-span", this, ParticleSystem, setLifeSpan) |
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[6625] | 99 | .describe("sets the life-span of the Particles."); |
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[4602] | 100 | |
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[5671] | 101 | LoadParam(root, "conserve", this, ParticleSystem, setConserve) |
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[6625] | 102 | .describe("sets the Conserve factor of the Particles (1.0: they keep all their energy, 0.0:they keep no energy)"); |
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[4725] | 103 | |
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[6623] | 104 | LoadParamXML(root, "emitters", this, ParticleSystem, loadEmitters); |
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[6222] | 105 | |
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[5654] | 106 | LOAD_PARAM_START_CYCLE(root, element); |
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[4727] | 107 | { |
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[5654] | 108 | element->ToText(); |
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[6625] | 109 | // PER-PARTICLE-ATTRIBUTES: |
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[5654] | 110 | LoadParam_CYCLE(element, "radius", this, ParticleSystem, setRadius) |
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[6625] | 111 | .describe("The Radius of each particle over time (TimeIndex [0-1], radius at TimeIndex, randomRadius at TimeIndex)"); |
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[4725] | 112 | |
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[5654] | 113 | LoadParam_CYCLE(element, "mass", this, ParticleSystem, setMass) |
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[6625] | 114 | .describe("The Mass of each particle over time (TimeIndex: [0-1], mass at TimeIndex, randomMass at TimeIndex)"); |
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[4725] | 115 | |
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[5654] | 116 | LoadParam_CYCLE(element, "color", this, ParticleSystem, setColor) |
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[6625] | 117 | .describe("The Color of each particle over time (TimeIndex: [0-1], red: [0-1], green: [0-1], blue: [0-1], alpha: [0-1])"); |
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[4727] | 118 | } |
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[5654] | 119 | LOAD_PARAM_END_CYCLE(element); |
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[6629] | 120 | |
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| 121 | LoadParam(root, "precache", this, ParticleSystem, precache) |
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[7300] | 122 | .describe("Precaches the ParticleSystem for %1 seconds, %2 times per Second") |
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| 123 | .defaultValues(1.0, 25.0); |
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[4602] | 124 | } |
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[4727] | 125 | |
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[4725] | 126 | /** |
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[6623] | 127 | * @brief loads the Emitters from An XML-Root |
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| 128 | * @param root the XML-Element to load all emitters from |
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| 129 | */ |
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| 130 | void ParticleSystem::loadEmitters(const TiXmlElement* root) |
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| 131 | { |
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| 132 | LOAD_PARAM_START_CYCLE(root, element); |
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| 133 | { |
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| 134 | BaseObject* emitter = Factory::fabricate(element); |
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[6823] | 135 | if (emitter != NULL) |
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| 136 | { |
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[9686] | 137 | if (emitter->isA(ParticleEmitter::classID())) |
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[6823] | 138 | this->addEmitter(dynamic_cast<ParticleEmitter*>(emitter)); |
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| 139 | else |
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| 140 | { |
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| 141 | PRINTF(2)("Tried to load an Element of type '%s' that should be a ParticleEmitter onto '%s::%s'.\n", |
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[9406] | 142 | emitter->getClassCName(), this->getClassCName(), this->getCName()); |
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[6823] | 143 | delete emitter; |
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| 144 | } |
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| 145 | } |
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[6623] | 146 | else |
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| 147 | { |
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[9406] | 148 | PRINTF(2)("Could not Generate Emitter for system %s::%s (wrong type in XML-format)\n", this->getClassCName(), getCName()); |
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[6623] | 149 | } |
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| 150 | } |
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| 151 | LOAD_PARAM_END_CYCLE(element); |
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| 152 | } |
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| 153 | |
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| 154 | /** |
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[7300] | 155 | * @param maxCount the maximum count of particles that can be emitted |
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[4727] | 156 | */ |
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[7300] | 157 | void ParticleSystem::setMaxCount(unsigned int maxCount) |
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[4727] | 158 | { |
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| 159 | this->maxCount = maxCount; |
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[9406] | 160 | PRINTF(4)("MAXCOUNT of %s::%s is %d\n", this->getClassCName(), this->getCName(), maxCount); |
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[4727] | 161 | } |
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| 162 | |
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[3932] | 163 | // setting properties |
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[4478] | 164 | /** |
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[7300] | 165 | * @brief Sets the lifespan of newly created particles |
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| 166 | * @param lifeSpan the LifeSpan of each particle in the System |
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| 167 | * @param randomLifeSpan the Deviation from lifeSpan (random Value). |
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[4597] | 168 | */ |
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[3932] | 169 | void ParticleSystem::setLifeSpan(float lifeSpan, float randomLifeSpan) |
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| 170 | { |
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[3934] | 171 | this->lifeSpan = lifeSpan; |
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| 172 | this->randomLifeSpan = randomLifeSpan; |
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[9406] | 173 | PRINTF(4)("LifeTime of %s::%s is %f\n", this->getClassCName(), this->getCName(), lifeSpan); |
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[3932] | 174 | } |
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| 175 | |
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[3945] | 176 | /** |
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[7300] | 177 | * @brief sets the conserve Factor of newly created particles |
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| 178 | * @param conserve sets the conserve factor of each particle. |
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| 179 | * Conserve is the ammount of energy a particle takes from the last Frame into the next. |
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| 180 | * A Value of 1 means, that all energy is conserved, a Value of 0 means infinit friction. |
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| 181 | */ |
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[4430] | 182 | void ParticleSystem::setConserve(float conserve) |
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[3932] | 183 | { |
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[4430] | 184 | if (conserve > 1.0) |
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| 185 | this->conserve = 1.0; |
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| 186 | else if (conserve < 0.0) |
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| 187 | this->conserve = 0.0; |
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| 188 | else |
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| 189 | this->conserve = conserve; |
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[7300] | 190 | |
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[9406] | 191 | PRINTF(4)("Conserve of %s::%s is %f\n", this->getClassCName(), this->getCName(), conserve); |
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[3932] | 192 | } |
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| 193 | |
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[4430] | 194 | ///////////////////////////// |
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| 195 | /* Per-Particle Attributes */ |
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| 196 | ///////////////////////////// |
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[3945] | 197 | /** |
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[7300] | 198 | * @brief sets a key in the radius-animation on a per-particle basis |
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[4836] | 199 | * @param lifeCycleTime the time (partilceLifeTime/particleAge) [0-1] |
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| 200 | * @param radius the radius at this position |
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| 201 | * @param randRadius the randRadius at this position |
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[4378] | 202 | */ |
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[4430] | 203 | void ParticleSystem::setRadius(float lifeCycleTime, float radius, float randRadius) |
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[4378] | 204 | { |
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[7333] | 205 | this->radiusAnim.changeValue(lifeCycleTime, radius); |
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| 206 | this->randRadiusAnim.changeValue(lifeCycleTime, randRadius); |
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[7300] | 207 | |
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| 208 | PRINTF(4)("Radius of %s::%s at timeSlice %f is %f with a Random of %f\n", |
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[9406] | 209 | this->getClassCName(), this->getCName(), lifeCycleTime, radius, randRadius); |
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[4378] | 210 | } |
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| 211 | |
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| 212 | /** |
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[7300] | 213 | * @brief sets a key in the mass-animation on a per-particle basis |
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[4836] | 214 | * @param lifeCycleTime the time (partilceLifeTime/particleAge) [0-1] |
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| 215 | * @param mass the mass at this position |
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| 216 | * @param randMass the randomMass at this position |
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[3945] | 217 | */ |
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[4430] | 218 | void ParticleSystem::setMass(float lifeCycleTime, float mass, float randMass) |
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[3932] | 219 | { |
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[7333] | 220 | this->massAnim.changeValue(lifeCycleTime, mass); |
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| 221 | this->randMassAnim.changeValue(lifeCycleTime, randMass); |
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[3932] | 222 | } |
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| 223 | |
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[3945] | 224 | /** |
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[7300] | 225 | * @brief sets a key in the color-animation on a per-particle basis |
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[4836] | 226 | * @param lifeCycleTime: the time (partilceLifeTime/particleAge) [0-1] |
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| 227 | * @param red: red |
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| 228 | * @param green: green |
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| 229 | * @param blue: blue |
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| 230 | * @param alpha: alpha |
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[4338] | 231 | */ |
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[4725] | 232 | void ParticleSystem::setColor(float lifeCycleTime, float red, float green, float blue, float alpha) |
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[4338] | 233 | { |
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[7333] | 234 | this->colorAnim[0].changeValue(lifeCycleTime, red); |
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| 235 | this->colorAnim[1].changeValue(lifeCycleTime, green); |
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| 236 | this->colorAnim[2].changeValue(lifeCycleTime, blue); |
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| 237 | this->colorAnim[3].changeValue(lifeCycleTime, alpha); |
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[7300] | 238 | |
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| 239 | PRINTF(4)("Color of %s::%s on timeslice %f is r:%f g:%f b:%f a:%f\n", |
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[9406] | 240 | this->getClassCName(), this->getCName(), lifeCycleTime, red, green, blue, alpha); |
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[4338] | 241 | } |
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| 242 | |
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[6629] | 243 | /** |
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[9656] | 244 | * @brief sets a key in the color-animation on a per-particle basis |
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| 245 | * @param lifeCycleTime: the time (partilceLifeTime/particleAge) [0-1] |
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| 246 | * @param color the Color. |
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| 247 | */ |
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| 248 | void ParticleSystem::setColor(float lifeCycleTime, const Color& color) |
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| 249 | { |
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| 250 | this->setColor(lifeCycleTime, color.r(), color.g(), color.b(), color.a()); |
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| 251 | } |
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| 252 | |
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| 253 | |
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| 254 | /** |
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[6629] | 255 | * @brief adds an Emitter to this System. |
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| 256 | * @param emitter the Emitter to add. |
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| 257 | */ |
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[6612] | 258 | void ParticleSystem::addEmitter(ParticleEmitter* emitter) |
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| 259 | { |
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[6619] | 260 | assert (emitter != NULL); |
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| 261 | if (emitter->getSystem() != NULL) |
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| 262 | emitter->getSystem()->removeEmitter(emitter); |
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[6625] | 263 | emitter->system = this; |
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[6612] | 264 | this->emitters.push_back(emitter); |
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| 265 | } |
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| 266 | |
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[6629] | 267 | /** |
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| 268 | * @brief removes a ParticleEmitter from this System |
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| 269 | * @param emitter the Emitter to remove |
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| 270 | */ |
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[6612] | 271 | void ParticleSystem::removeEmitter(ParticleEmitter* emitter) |
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| 272 | { |
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[6625] | 273 | assert (emitter != NULL); |
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| 274 | emitter->system = NULL; |
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| 275 | this->emitters.remove(emitter); |
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| 276 | /* std::list<ParticleEmitter*>::iterator it = std::find(this->emitters.begin(), this->emitters.end(), emitter); |
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[6612] | 277 | if (it != this->emitters.end()) |
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[6625] | 278 | this->emitters.erase(it);*/ |
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[6612] | 279 | } |
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| 280 | |
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[4338] | 281 | /** |
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[6629] | 282 | * @brief does a Precaching, meaning, that the ParticleSystem(and its emitters) will be ticked force |
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| 283 | * @param seconds: seconds |
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| 284 | * @param ticksPerSeconds times per Second. |
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| 285 | */ |
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| 286 | void ParticleSystem::precache(unsigned int seconds, unsigned int ticksPerSecond) |
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| 287 | { |
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[6630] | 288 | std::list<ParticleEmitter*>::iterator emitter; |
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| 289 | for (emitter = this->emitters.begin(); emitter != this->emitters.end(); emitter++) |
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| 290 | (*emitter)->updateNode(.1), (*emitter)->updateNode(.1); |
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| 291 | |
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[9406] | 292 | PRINTF(4)("Precaching %s::%s %d seconds %d timesPerSecond\n", this->getClassCName(), this->getCName(), seconds, ticksPerSecond); |
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[6629] | 293 | for (unsigned int i = 0; i < seconds*ticksPerSecond; i++) |
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| 294 | this->tick(1.0/(float)ticksPerSecond); |
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| 295 | } |
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| 296 | |
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| 297 | |
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| 298 | /** |
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[7300] | 299 | * @brief ticks the system. |
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[4836] | 300 | * @param dt the time to tick all the Particles of the System |
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[3932] | 301 | |
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[3945] | 302 | this is used to get all the particles some motion |
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| 303 | */ |
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[3931] | 304 | void ParticleSystem::tick(float dt) |
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| 305 | { |
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[3934] | 306 | Particle* tickPart = particles; // the particle to Tick |
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[4692] | 307 | Particle* prevPart = NULL; |
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[3934] | 308 | while (likely(tickPart != NULL)) |
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[6625] | 309 | { |
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| 310 | // applying force to the System. |
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| 311 | if (likely (tickPart->mass > 0.0)) |
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| 312 | tickPart->velocity += tickPart->extForce / tickPart->mass * dt; |
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[4687] | 313 | |
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[6625] | 314 | tickPart->radius = radiusAnim.getValue(tickPart->lifeCycle) |
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| 315 | + randRadiusAnim.getValue(tickPart->lifeCycle) * tickPart->radiusRand; |
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[4434] | 316 | |
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[6625] | 317 | tickPart->mass = massAnim.getValue(tickPart->lifeCycle) |
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| 318 | + randMassAnim.getValue(tickPart->lifeCycle) * tickPart->massRand; |
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[4597] | 319 | |
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[6625] | 320 | tickPart->extForce = Vector(0,0,0); |
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[4338] | 321 | |
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[6625] | 322 | // applying Color |
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[7333] | 323 | this->colorAnim[0].getValue(tickPart->color[0], tickPart->lifeCycle); |
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| 324 | this->colorAnim[1].getValue(tickPart->color[1], tickPart->lifeCycle); |
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| 325 | this->colorAnim[2].getValue(tickPart->color[2], tickPart->lifeCycle); |
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| 326 | this->colorAnim[3].getValue(tickPart->color[3], tickPart->lifeCycle); |
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[4431] | 327 | |
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[6757] | 328 | // rendering new position. |
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| 329 | tickPart->position += tickPart->velocity * dt; |
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[7027] | 330 | tickPart->orientation *= tickPart->momentum *dt; |
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[6757] | 331 | |
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[6625] | 332 | // many more to come |
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[3932] | 333 | |
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[6625] | 334 | if (this->conserve < 1.0) |
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| 335 | { |
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| 336 | tickPart->velocity *= this->conserve; |
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| 337 | tickPart->momentum *= this->conserve; |
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| 338 | } |
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| 339 | // find out if we have to delete tickPart |
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| 340 | if (unlikely((tickPart->lifeCycle += dt/tickPart->lifeTime) >= 1.0)) |
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| 341 | { |
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| 342 | // remove the particle from the list |
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| 343 | if (likely(prevPart != NULL)) |
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[4691] | 344 | { |
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[6625] | 345 | prevPart->next = tickPart->next; |
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| 346 | tickPart->next = this->deadList; |
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| 347 | this->deadList = tickPart; |
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| 348 | tickPart = prevPart->next; |
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[4691] | 349 | } |
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[3934] | 350 | else |
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[6625] | 351 | { |
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| 352 | prevPart = NULL; |
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| 353 | this->particles = tickPart->next; |
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| 354 | tickPart->next = this->deadList; |
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| 355 | this->deadList = tickPart; |
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| 356 | tickPart = this->particles; |
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| 357 | } |
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| 358 | --this->count; |
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[3932] | 359 | } |
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[6625] | 360 | else |
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| 361 | { |
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| 362 | prevPart = tickPart; |
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| 363 | tickPart = tickPart->next; |
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| 364 | } |
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| 365 | } |
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[6612] | 366 | |
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[6625] | 367 | std::list<ParticleEmitter*>::iterator emitter; |
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| 368 | for (emitter = this->emitters.begin(); emitter != this->emitters.end(); emitter++) |
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| 369 | (*emitter)->tick(dt); |
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[3932] | 370 | } |
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| 371 | |
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[4597] | 372 | /** |
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[4836] | 373 | * applies some force to a Particle. |
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| 374 | * @param field the Field to apply. |
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[4338] | 375 | */ |
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[7300] | 376 | void ParticleSystem::applyField(const Field* field) |
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[4338] | 377 | { |
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| 378 | Particle* tickPart = particles; |
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| 379 | while (tickPart) |
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[6625] | 380 | { |
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| 381 | tickPart->extForce += field->calcForce(tickPart->position); |
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| 382 | tickPart = tickPart->next; |
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| 383 | } |
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[4338] | 384 | } |
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| 385 | |
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| 386 | |
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[3945] | 387 | /** |
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[4836] | 388 | * @returns the count of Faces of this ParticleSystem |
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[4677] | 389 | */ |
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[4746] | 390 | unsigned int ParticleSystem::getFaceCount() const |
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[4677] | 391 | { |
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[6621] | 392 | return this->count; |
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[4677] | 393 | } |
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| 394 | |
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| 395 | /** |
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[7300] | 396 | * @brief adds a new Particle to the System |
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[4836] | 397 | * @param position the initial position, where the particle gets emitted. |
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| 398 | * @param velocity the initial velocity of the particle. |
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| 399 | * @param orientation the initial orientation of the Paritcle. |
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| 400 | * @param momentum the initial momentum of the Particle (the speed of its rotation). |
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| 401 | * @param data some more data given by the emitter |
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[3945] | 402 | */ |
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[4690] | 403 | void ParticleSystem::addParticle(const Vector& position, const Vector& velocity, const Quaternion& orientation, const Quaternion& momentum, unsigned int data) |
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[3932] | 404 | { |
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[3934] | 405 | if (this->count <= this->maxCount) |
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[6625] | 406 | { |
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| 407 | // if it is the first Particle |
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| 408 | if (unlikely(particles == NULL)) |
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[3932] | 409 | { |
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[6625] | 410 | if (likely(deadList != NULL)) |
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| 411 | { |
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| 412 | this->particles = this->deadList; |
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| 413 | deadList = deadList->next; |
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| 414 | } |
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[3934] | 415 | else |
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[6625] | 416 | { |
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| 417 | PRINTF(5)("Generating new Particle\n"); |
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| 418 | this->particles = new Particle; |
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| 419 | } |
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| 420 | this->particles->next = NULL; |
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| 421 | } |
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| 422 | // filling the List from the beginning |
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| 423 | else |
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| 424 | { |
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| 425 | Particle* tmpPart; |
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| 426 | if (likely(deadList != NULL)) |
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| 427 | { |
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| 428 | tmpPart = this->deadList; |
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| 429 | deadList = deadList->next; |
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| 430 | } |
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| 431 | else |
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| 432 | { |
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| 433 | PRINTF(5)("Generating new Particle\n"); |
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| 434 | tmpPart = new Particle; |
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| 435 | } |
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| 436 | tmpPart->next = this->particles; |
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| 437 | this->particles = tmpPart; |
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| 438 | } |
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| 439 | particles->lifeTime = this->lifeSpan + (float)(rand()/RAND_MAX)* this->randomLifeSpan; |
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| 440 | particles->lifeCycle = 0.0; |
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| 441 | particles->position = position; |
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| 442 | particles->velocity = velocity; |
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[3951] | 443 | |
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[6625] | 444 | particles->orientation = orientation; |
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| 445 | particles->momentum = momentum; |
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[4687] | 446 | |
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[6625] | 447 | // particle->rotation = ; //! @todo rotation is once again something to be done. |
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| 448 | particles->massRand = 2*(float)rand()/RAND_MAX -1; |
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| 449 | particles->radiusRand = 2* (float)rand()/RAND_MAX -1; |
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| 450 | particles->mass = this->massAnim.getValue(0.0) + this->randMassAnim.getValue(0.0)*particles->massRand; |
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| 451 | particles->radius = this->radiusAnim.getValue(0.0) + this->randRadiusAnim.getValue(0.0)*particles->radiusRand; |
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[3934] | 452 | |
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[6625] | 453 | ++this->count; |
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| 454 | } |
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[3932] | 455 | else |
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[7300] | 456 | PRINTF(4)("maximum count of particles reached not adding any more\n"); |
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[3932] | 457 | } |
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[3931] | 458 | |
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[3944] | 459 | /** |
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[4836] | 460 | * outputs some nice debug information |
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[3944] | 461 | */ |
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[4746] | 462 | void ParticleSystem::debug() const |
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[3944] | 463 | { |
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[7300] | 464 | PRINT(0)(" ParticleCount: %d emitters: %d, maximumCount: %d :: filled %d%%\n", |
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| 465 | this->count, |
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| 466 | this->emitters.size(), |
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| 467 | this->maxCount, |
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| 468 | ((this->maxCount!=0)?100*this->count/this->maxCount:0)); |
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[9656] | 469 | |
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| 470 | |
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| 471 | PRINT(0)(" Coloring sceme: r:"), this->colorAnim[0].debug(); |
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| 472 | PRINT(0)(" Coloring sceme: g:"), this->colorAnim[1].debug(); |
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| 473 | PRINT(0)(" Coloring sceme: b:"), this->colorAnim[2].debug(); |
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| 474 | PRINT(0)(" Coloring sceme: a:"), this->colorAnim[3].debug(); |
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| 475 | |
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| 476 | if (likely(this->deadList != NULL)) |
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[6625] | 477 | { |
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| 478 | PRINT(0)(" - ParticleDeadList is used: "); |
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| 479 | int i = 1; |
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| 480 | Particle* tmpPart = this->deadList; |
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[9406] | 481 | while ((tmpPart = tmpPart->next) != NULL) { ++i; } |
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[6625] | 482 | PRINT(0)("count: %d\n", i); |
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| 483 | } |
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[3944] | 484 | } |
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