[10154] | 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) 2006 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: David Hasenfratz |
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| 13 | */ |
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| 14 | |
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| 15 | #include "wobblegrid.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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| 20 | #include "graphics_engine.h" |
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| 21 | #include "material.h" |
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| 22 | #include "glincl.h" |
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| 23 | #include "state.h" |
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| 24 | #include "grid.h" |
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| 25 | |
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[10618] | 26 | #include "tools/cameraman.h" |
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| 27 | #include "tools/camera.h" |
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[10556] | 28 | |
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[10618] | 29 | #include <cassert> |
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[10154] | 30 | #include "debug.h" |
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| 31 | |
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| 32 | |
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[10366] | 33 | |
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[10154] | 34 | ObjectListDefinition(Wobblegrid); |
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| 35 | CREATE_FACTORY(Wobblegrid); |
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| 36 | |
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| 37 | /** |
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| 38 | * Wobble Grids are grids which "wobble" |
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| 39 | * Wobbling is realized through fixed center and sin wave outwards |
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| 40 | * For the beginning the grid will be a 5x5 |
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| 41 | */ |
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| 42 | |
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| 43 | /** |
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| 44 | * standart constructor |
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| 45 | */ |
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| 46 | Wobblegrid::Wobblegrid (const TiXmlElement* root) |
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| 47 | { |
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| 48 | this->size = 5; |
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| 49 | |
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| 50 | this->init(); |
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| 51 | |
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| 52 | if( root) |
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| 53 | this->loadParams(root); |
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| 54 | } |
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| 55 | |
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| 56 | Wobblegrid::Wobblegrid (int size, const TiXmlElement* root) |
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| 57 | { |
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| 58 | this->size = size; |
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| 59 | |
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| 60 | this->init(); |
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| 61 | |
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| 62 | if( root) |
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| 63 | this->loadParams(root); |
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| 64 | } |
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| 65 | |
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| 66 | |
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| 67 | /** |
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| 68 | * destroys a Wobblegrid |
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| 69 | */ |
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| 70 | Wobblegrid::~Wobblegrid () |
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| 71 | { |
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| 72 | if (this->material) |
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| 73 | delete this->material; |
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| 74 | } |
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| 75 | |
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| 76 | |
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| 77 | /** |
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| 78 | * initializes the Wobblegrid |
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| 79 | */ |
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| 80 | void Wobblegrid::init() |
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| 81 | { |
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| 82 | this->registerObject(this, Wobblegrid::_objectList); |
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| 83 | this->setName("Wobblegrid"); |
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| 84 | |
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| 85 | this->material = new Material(); |
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[10345] | 86 | this->material->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
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[10154] | 87 | this->setAbsCoor(0, 0, 0); |
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| 88 | //this->setVisibiliy(true); |
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| 89 | |
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| 90 | this->subdivision = 5; |
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| 91 | |
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| 92 | this->grid = new Grid( this->size, this->size, this->subdivision, this->subdivision); |
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| 93 | this->angularSpeed = M_PI; //180; |
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[10156] | 94 | this->setModel(this->grid); |
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[10618] | 95 | |
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| 96 | this->angle = 0; |
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[10157] | 97 | |
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| 98 | this->setUpdateFunction((*sinf)); |
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[10154] | 99 | } |
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| 100 | |
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| 101 | |
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| 102 | /** |
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| 103 | * load params |
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| 104 | * @param root TiXmlElement object |
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| 105 | */ |
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| 106 | void Wobblegrid::loadParams(const TiXmlElement* root) |
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| 107 | { |
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| 108 | /*LoadParam(root, "texture", this->material, Material, setDiffuseMap) |
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| 109 | .describe("the texture-file to load onto the Wobblegrid"); |
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| 110 | |
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| 111 | LoadParam(root, "size", this, Wobblegrid, setSize) |
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| 112 | .describe("the size of the Wobblegrid in Pixels");*/ |
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| 113 | } |
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| 114 | |
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| 115 | |
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| 116 | |
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| 117 | /** |
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| 118 | * sets the material to load |
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| 119 | * @param textureFile The texture-file to load |
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| 120 | */ |
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| 121 | void Wobblegrid::setTexture(const std::string& textureFile) |
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| 122 | { |
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[10168] | 123 | this->material->setBlendFunc(GL_SRC_ALPHA,GL_ONE); |
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[10154] | 124 | this->material->setDiffuseMap(textureFile); |
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| 125 | } |
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| 126 | |
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| 127 | |
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| 128 | /** |
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| 129 | * ticks the Wobblegrid |
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| 130 | * @param dt the time to ticks |
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| 131 | */ |
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| 132 | void Wobblegrid::tick(float dt) |
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| 133 | { |
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| 134 | angle += dt * angularSpeed; |
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| 135 | if (angle > 2 * M_PI) |
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| 136 | angle -= 2 * M_PI; |
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| 137 | |
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| 138 | //Vector vec; |
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| 139 | float fac = 1.0 / (this->subdivision - 1); |
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| 140 | for( int z=1; z < 4; z++) |
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| 141 | { |
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| 142 | for( int x=1; x < 4; x++) |
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| 143 | { |
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| 144 | //if(x==2 && z == 2) |
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| 145 | // continue; |
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| 146 | |
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| 147 | Vector2D& vec = this->grid->texCoord(z*this->subdivision + x); |
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[10157] | 148 | vec.y = (x * fac + sgn(x-2)*updateWobble(angle)*fac/2.0); |
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| 149 | vec.x = (z * fac + sgn(z-2)*updateWobble(angle)*fac/2.0); |
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[10154] | 150 | } |
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| 151 | } |
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| 152 | //this->grid->finalize(); |
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[10157] | 153 | this->orient(); |
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[10154] | 154 | } |
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| 155 | |
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| 156 | |
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| 157 | /** |
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| 158 | * draws the billboard |
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| 159 | */ |
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| 160 | void Wobblegrid::draw() const |
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| 161 | { |
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[10156] | 162 | |
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| 163 | // this->material->select(); |
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| 164 | // WorldEntity::draw(); |
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| 165 | // return; |
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| 166 | |
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| 167 | |
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[10154] | 168 | if( !this->isVisible()) |
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| 169 | return; |
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| 170 | |
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| 171 | glPushAttrib(GL_ENABLE_BIT); |
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[10333] | 172 | glDisable(GL_LIGHTING); |
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| 173 | glDisable(GL_FOG); |
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[10154] | 174 | |
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[10156] | 175 | glMatrixMode(GL_MODELVIEW); |
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[10154] | 176 | glPushMatrix(); |
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| 177 | |
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| 178 | //glTranslatef(this->getAbsCoor().x, this->getAbsCoor().y, this->getAbsCoor().z); |
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| 179 | //glTranslatef(0,0,0); |
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| 180 | this->material->select(); |
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| 181 | |
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[10333] | 182 | glDisable(GL_BLEND); |
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| 183 | glEnable( GL_ALPHA_TEST); |
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| 184 | glAlphaFunc( GL_GEQUAL, .5); |
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| 185 | |
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[10154] | 186 | glTranslatef (this->getAbsCoor ().x, |
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| 187 | this->getAbsCoor ().y, |
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| 188 | this->getAbsCoor ().z); |
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[10156] | 189 | |
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| 190 | Vector tmpRot = this->getAbsDir().getSpacialAxis(); |
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| 191 | glRotatef (this->getAbsDir().getSpacialAxisAngle(), tmpRot.x, tmpRot.y, tmpRot.z ); |
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| 192 | |
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| 193 | //Quaternion dir = Quaternion(this->getAbsDir().getSpacialAxisAngle(),view); |
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| 194 | //this->setAbsDir(dir); |
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[10154] | 195 | //glRotatef(this->angle, 0.0, 0.0, 1.0); |
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| 196 | this->grid->draw(); |
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| 197 | |
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| 198 | glPopMatrix(); |
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| 199 | |
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| 200 | glPopAttrib(); |
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| 201 | } |
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[10157] | 202 | |
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| 203 | void Wobblegrid::orient() |
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| 204 | { |
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| 205 | |
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[10618] | 206 | Camera* c = State::getCamera(); |
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| 207 | |
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[10556] | 208 | Vector view = this->getAbsCoor() - c->getAbsCoor(); |
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[10333] | 209 | // view.normalize(); |
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[10157] | 210 | |
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| 211 | Vector up = Vector(0, 1, 0); |
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[10327] | 212 | // if ( up.dot(view) == 0 ) |
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| 213 | // up = Vector(1, 0, 0); |
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| 214 | // if ( up.dot(view) == 0 ) |
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| 215 | // up = Vector (0, 0, 1); |
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[10157] | 216 | |
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[10333] | 217 | Vector h = up.cross(view.getNormalized()); |
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| 218 | up = h.cross(view.getNormalized()); |
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[10327] | 219 | Quaternion dir = Quaternion::lookAt( this->getAbsCoor(), this->getAbsCoor() + up, view); |
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| 220 | // Quaternion dir = Quaternion::lookAt( Vector(), view, up); |
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[10157] | 221 | this->setAbsDir(dir); |
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| 222 | } |
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