[10077] | 1 | /* |
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| 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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| 10 | |
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| 11 | ### File Specific: |
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| 12 | main-programmer: Benjamin Grauer |
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| 13 | co-programmer: Patrick Boenzli |
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| 14 | */ |
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| 15 | |
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| 16 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_GRAPHICS |
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| 17 | |
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| 18 | #include "emitter_node.h" |
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| 19 | |
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| 20 | #include "particle_system.h" |
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| 21 | |
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| 22 | #include "util/loading/load_param.h" |
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[10107] | 23 | #include "util/loading/factory.h" |
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[10077] | 24 | #include "debug.h" |
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| 25 | |
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| 26 | ObjectListDefinition(EmitterNode); |
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[10107] | 27 | //CREATE_FAST_FACTORY(EmitterNode); |
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[10077] | 28 | |
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| 29 | /** |
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| 30 | * standard constructor |
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| 31 | */ |
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| 32 | EmitterNode::EmitterNode( float lifetime) |
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| 33 | { |
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| 34 | this->registerObject(this, EmitterNode::_objectList); |
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| 35 | |
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[10107] | 36 | this->toList(OM_DEAD_TICK); |
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| 37 | |
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[10077] | 38 | this->system = NULL; |
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| 39 | this->emitter = NULL; |
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| 40 | this->lifeCycle = 0.0; |
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| 41 | this->lifeSpan = lifetime; |
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[10107] | 42 | |
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| 43 | this->setParent( PNode::getNullParent()); |
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[10077] | 44 | } |
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| 45 | |
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| 46 | /** |
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| 47 | * standard destructor |
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| 48 | |
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| 49 | removes the EmitterSystem from the ParticleEngine |
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| 50 | */ |
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| 51 | EmitterNode::~EmitterNode () |
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| 52 | { |
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| 53 | this->emitter->setSystem(NULL); |
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[10078] | 54 | this->removeNode(); |
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[10077] | 55 | } |
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| 56 | |
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| 57 | /** |
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| 58 | * loads a EmitterNode from a XML-element |
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| 59 | * @param root the XML-element to load from |
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| 60 | */ |
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| 61 | void EmitterNode::loadParams(const TiXmlElement* root) |
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| 62 | { |
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| 63 | PNode::loadParams(root); |
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| 64 | |
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| 65 | LoadParam(root, "life-time", this, EmitterNode, setLifetime) |
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| 66 | .describe("Amount of time this emitter node shall remain"); |
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| 67 | } |
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| 68 | |
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[10078] | 69 | bool EmitterNode::start() |
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[10077] | 70 | { |
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[10078] | 71 | this->started = true; |
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[10107] | 72 | |
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| 73 | this->emitter->start(); |
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| 74 | this->emitter->setSystem( this->system); |
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| 75 | |
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[10078] | 76 | return this->started; |
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[10077] | 77 | } |
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| 78 | |
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| 79 | void EmitterNode::tick(float dt) |
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| 80 | { |
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[10107] | 81 | |
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[10077] | 82 | if( !this->started) |
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| 83 | return; |
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| 84 | |
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| 85 | this->lifeCycle += dt/this->lifeSpan; |
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[10107] | 86 | |
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| 87 | if( this->lifeCycle >= 1.0f) |
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[10077] | 88 | { |
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| 89 | this->removeNode(); |
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[10098] | 90 | this->emitter->stop(); |
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| 91 | this->emitter->setSystem(NULL); |
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| 92 | this->started = false; |
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[10107] | 93 | |
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| 94 | this->destroy( NULL ); |
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[10077] | 95 | } |
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[10107] | 96 | this->shiftCoor(this->velocity * dt); |
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[10078] | 97 | } |
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