[7504] | 1 | /* |
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[8495] | 2 | orxonox - the future of 3D-vertical-scrollers |
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[7504] | 3 | |
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[9935] | 4 | Copyright (C) 2006 orx |
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[7504] | 5 | |
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[8495] | 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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[7504] | 10 | |
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| 11 | ### File Specific: |
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[9935] | 12 | main-programmer: hdavid |
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[7504] | 13 | */ |
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| 14 | |
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| 15 | #include "volfog_effect.h" |
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| 16 | |
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| 17 | #include "util/loading/load_param.h" |
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| 18 | #include "util/loading/factory.h" |
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| 19 | |
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[7760] | 20 | #include "p_node.h" |
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| 21 | #include "state.h" |
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[9936] | 22 | #include "shell_command.h" |
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[7760] | 23 | |
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[8495] | 24 | #include "glincl.h" |
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[9727] | 25 | #include "debug.h" |
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[7504] | 26 | |
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[7759] | 27 | #define GLX_GLXEXT_PROTOTYPES |
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| 28 | |
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[9716] | 29 | #include "class_id_DEPRECATED.h" |
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[9715] | 30 | ObjectListDefinitionID(VolFogEffect, CL_VOLFOG_EFFECT); |
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[9709] | 31 | CREATE_FACTORY(VolFogEffect); |
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[7504] | 32 | |
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[9936] | 33 | SHELL_COMMAND(activate, VolFogEffect, activateFog); |
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| 34 | SHELL_COMMAND(deactivate, VolFogEffect, deactivateFog); |
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[9935] | 35 | |
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| 36 | |
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[9936] | 37 | typedef void (APIENTRY * PFNGLFOGCOORDFEXTPROC) (GLfloat coord); // Declare Function Prototype |
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| 38 | PFNGLFOGCOORDFEXTPROC glFogCoordfEXT = NULL; // Our glFogCoordfEXT Function |
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| 39 | |
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| 40 | |
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[8495] | 41 | VolFogEffect::VolFogEffect(const TiXmlElement* root) { |
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[9686] | 42 | this->registerObject(this, VolFogEffect::_objectList); |
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[7504] | 43 | |
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[9936] | 44 | if (root != NULL) |
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| 45 | this->loadParams(root); |
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[7532] | 46 | |
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[9936] | 47 | // Initialize Effect |
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| 48 | this->init(); |
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[7546] | 49 | |
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[9936] | 50 | // Activate Effect |
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| 51 | if(fogActivate) |
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| 52 | this->activate(); |
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[7504] | 53 | } |
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| 54 | |
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| 55 | |
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[8495] | 56 | VolFogEffect::~VolFogEffect() { |
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[9936] | 57 | if(fogActivate) |
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[8495] | 58 | this->deactivate(); |
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[7504] | 59 | } |
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| 60 | |
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[8495] | 61 | void VolFogEffect::loadParams(const TiXmlElement* root) { |
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[9936] | 62 | WeatherEffect::loadParams(root); |
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[7504] | 63 | } |
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| 64 | |
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[8495] | 65 | void VolFogEffect::init() { |
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[9936] | 66 | PRINTF(0)("Initalize VolFogEffect\n"); |
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| 67 | |
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| 68 | fogColor[0] = 0.6f; |
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| 69 | fogColor[1] = 0.3f; |
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| 70 | fogColor[2] = 0.0f; |
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| 71 | fogColor[3] = 1.0f; |
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[7504] | 72 | |
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[9936] | 73 | fogActivate = false; |
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[7546] | 74 | } |
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| 75 | |
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| 76 | |
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[8495] | 77 | void VolFogEffect::activate() { |
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[9936] | 78 | PRINTF(0)("Activating VolFogEffect\n"); |
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| 79 | |
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| 80 | // Test whether the extension exists |
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| 81 | if (!glewIsSupported("GL_EXT_fog_coord")) |
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| 82 | { |
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| 83 | PRINTF(0)("Can't activate volumetric fog, GL_EXT_fog_coord extension is misssing\n"); |
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| 84 | return; |
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| 85 | } |
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| 86 | |
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| 87 | fogActivate = true; |
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[7504] | 88 | } |
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| 89 | |
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[8495] | 90 | void VolFogEffect::deactivate() { |
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[9936] | 91 | PRINTF(0)("Deactivating VolFogEffect\n"); |
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| 92 | |
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| 93 | fogActivate = false; |
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[7504] | 94 | } |
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| 95 | |
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[7520] | 96 | |
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[7516] | 97 | /** |
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[9935] | 98 | * draws the effect |
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[7652] | 99 | */ |
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[8495] | 100 | void VolFogEffect::draw() const { |
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[7760] | 101 | |
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[9936] | 102 | if(!fogActivate) |
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| 103 | return; |
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[7557] | 104 | } |
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[7546] | 105 | |
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| 106 | |
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[7516] | 107 | /** |
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[7652] | 108 | * ticks the effect if there is any time dependancy |
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| 109 | */ |
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[8495] | 110 | void VolFogEffect::tick(float dt) {} |
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