[7111] | 1 | /* |
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| 2 | orxonox - the future of 3D-vertical-scrollers |
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| 3 | |
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[7951] | 4 | Copyright (C) 2006 orx |
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[7111] | 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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[7951] | 11 | ### File Specific: |
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| 12 | main-programmer: David Hasenfratz |
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[7111] | 13 | */ |
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| 14 | |
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[7951] | 15 | #include "billboard.h" |
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[7111] | 16 | |
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[7951] | 17 | #include "util/loading/load_param.h" |
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| 18 | #include "util/loading/factory.h" |
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[7111] | 19 | |
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[7951] | 20 | #include "graphics_engine.h" |
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[7111] | 21 | #include "material.h" |
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[7951] | 22 | #include "glincl.h" |
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| 23 | #include "state.h" |
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[7111] | 24 | |
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[7112] | 25 | |
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[7951] | 26 | using namespace std; |
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[7112] | 27 | |
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| 28 | |
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[7951] | 29 | CREATE_FACTORY(Billboard, CL_BILLBOARD); |
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[7111] | 30 | |
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| 31 | |
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| 32 | /** |
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[7951] | 33 | * standart constructor |
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| 34 | */ |
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| 35 | Billboard::Billboard (const TiXmlElement* root) |
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[7111] | 36 | { |
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[7951] | 37 | this->init(); |
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[7111] | 38 | |
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[7951] | 39 | if( root) |
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| 40 | this->loadParams(root); |
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| 41 | } |
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[7111] | 42 | |
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| 43 | |
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[7951] | 44 | /** |
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| 45 | * destroys a Billboard |
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| 46 | */ |
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| 47 | Billboard::~Billboard () |
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| 48 | { |
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| 49 | if (this->material) |
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| 50 | delete this->material; |
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| 51 | } |
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[7111] | 52 | |
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[7112] | 53 | |
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[7951] | 54 | /** |
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| 55 | * initializes the Billboard |
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| 56 | */ |
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| 57 | void Billboard::init() |
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| 58 | { |
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| 59 | this->setClassID(CL_BILLBOARD, "Billboard"); |
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| 60 | this->setName("Billboard"); |
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[7112] | 61 | |
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[7965] | 62 | this->toList(OM_COMMON); |
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| 63 | |
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[7951] | 64 | this->material = new Material(); |
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[7981] | 65 | //this->setTexture("maps/lightning_bolt.png"); |
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| 66 | //this->setAbsCoor(0, 0, 0); |
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[7951] | 67 | this->setVisibiliy(true); |
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| 68 | this->setSize(10, 10); |
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[7111] | 69 | } |
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| 70 | |
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| 71 | |
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| 72 | /** |
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[7951] | 73 | * load params |
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| 74 | * @param root TiXmlElement object |
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| 75 | */ |
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| 76 | void Billboard::loadParams(const TiXmlElement* root) |
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[7111] | 77 | { |
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[7951] | 78 | LoadParam(root, "texture", this->material, Material, setDiffuseMap) |
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| 79 | .describe("the texture-file to load onto the Billboard"); |
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| 80 | |
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| 81 | LoadParam(root, "size", this, Billboard, setSize) |
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| 82 | .describe("the size of the Billboard in Pixels"); |
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[7111] | 83 | } |
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| 84 | |
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[7951] | 85 | |
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| 86 | /** |
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| 87 | * sets the size of the Billboard. |
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| 88 | * @param size the size in pixels |
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| 89 | */ |
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| 90 | void Billboard::setSize(float sizeX, float sizeY) |
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[7111] | 91 | { |
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[7951] | 92 | this->sizeX = sizeX; |
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| 93 | this->sizeY = sizeY; |
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[7111] | 94 | } |
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| 95 | |
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| 96 | |
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[7951] | 97 | /** |
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| 98 | * sets the material to load |
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| 99 | * @param textureFile The texture-file to load |
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| 100 | */ |
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| 101 | void Billboard::setTexture(const std::string& textureFile) |
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[7111] | 102 | { |
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[7951] | 103 | this->material->setDiffuseMap(textureFile); |
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[7111] | 104 | } |
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| 105 | |
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| 106 | |
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| 107 | /** |
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[7951] | 108 | * ticks the Billboard |
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| 109 | * @param dt the time to ticks |
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| 110 | */ |
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| 111 | void Billboard::tick(float dt) |
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| 112 | {/* |
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| 113 | float z = 0.0f; |
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| 114 | glReadPixels ((int)this->getAbsCoor2D().x, |
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| 115 | GraphicsEngine::getInstance()->getResolutionY()-(int)this->getAbsCoor2D().y-1, |
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| 116 | 1, |
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| 117 | 1, |
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| 118 | GL_DEPTH_COMPONENT, |
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| 119 | GL_FLOAT, |
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| 120 | &z); |
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[7111] | 121 | |
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[7951] | 122 | GLdouble objX=.0, objY=.0, objZ=.0; |
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| 123 | gluUnProject(this->getAbsCoor2D().x, |
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| 124 | GraphicsEngine::getInstance()->getResolutionY()-this->getAbsCoor2D().y-1, |
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| 125 | .99, // z |
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| 126 | GraphicsEngine::modMat, |
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| 127 | GraphicsEngine::projMat, |
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| 128 | GraphicsEngine::viewPort, |
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| 129 | &objX, |
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| 130 | &objY, |
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| 131 | &objZ );*/ |
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[7111] | 132 | } |
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| 133 | |
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| 134 | |
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[7951] | 135 | /** |
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| 136 | * draws the billboard |
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| 137 | */ |
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| 138 | void Billboard::draw() const |
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[7111] | 139 | { |
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[7951] | 140 | if( !this->isVisible()) |
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| 141 | return; |
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[7111] | 142 | |
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[7951] | 143 | glPushMatrix(); |
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[7111] | 144 | |
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[7965] | 145 | //glTranslatef(this->getAbsCoor().x, this->getAbsCoor().y, this->getAbsCoor().z); |
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| 146 | glTranslatef(0,0,0); |
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[7951] | 147 | this->material->select(); |
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[7981] | 148 | /* |
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[7951] | 149 | glBegin(GL_QUADS); |
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| 150 | glTexCoord2f(1.0f, 1.0f); glVertex3f(-sizeX/2, -sizeY/2, 0.0f); |
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| 151 | glTexCoord2f(0.0f, 1.0f); glVertex3f( sizeX/2, -sizeY/2, 0.0f); |
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| 152 | glTexCoord2f(0.0f, 0.0f); glVertex3f( sizeX/2, sizeY/2, 0.0f); |
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| 153 | glTexCoord2f(1.0f, 0.0f); glVertex3f(-sizeX/2, sizeY/2, 0.0f); |
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| 154 | glEnd(); |
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[7981] | 155 | */ |
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| 156 | |
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| 157 | const PNode* camera = State::getCameraNode(); //!< @todo MUST be different |
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| 158 | Vector cameraPos = camera->getAbsCoor(); |
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| 159 | Vector cameraTargetPos = State::getCameraTargetNode()->getAbsCoor(); |
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| 160 | Vector view = cameraTargetPos - cameraPos; |
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| 161 | Vector up = Vector(0, 1, 0); |
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| 162 | up = camera->getAbsDir().apply(up); |
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| 163 | Vector h = up.cross(view); |
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| 164 | Vector v = h.cross(view); |
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| 165 | h.normalize(); |
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| 166 | v.normalize(); |
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| 167 | |
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| 168 | float radius = 5; |
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| 169 | v *= .5 * radius; |
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| 170 | h *= .5 * radius; |
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| 171 | /* |
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| 172 | glBegin(GL_TRIANGLE_STRIP); |
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| 173 | glTexCoord2i(1, 1); |
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| 174 | glVertex3f(0 - h.x - v.x, |
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| 175 | 0 - h.y - v.y, |
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| 176 | 0 - h.z - v.z); |
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| 177 | glTexCoord2i(0, 1); |
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| 178 | glVertex3f(0 - h.x + v.x, |
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| 179 | 0 - h.y + v.y, |
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| 180 | 0 - h.z + v.z); |
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| 181 | glTexCoord2i(1, 0); |
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| 182 | glVertex3f(0 + h.x - v.x, |
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| 183 | 0 + h.y - v.y, |
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| 184 | 0 + h.z - v.z); |
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| 185 | glTexCoord2i(0, 0); |
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| 186 | glVertex3f(0 + h.x + v.x, |
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| 187 | 0 + h.y + v.y, |
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| 188 | 0 + h.z + v.z); |
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[7112] | 189 | |
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[7981] | 190 | glEnd();*/ |
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| 191 | |
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| 192 | glBegin(GL_QUADS); |
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| 193 | glTexCoord2f(0.0f, 0.0f); |
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| 194 | glVertex3f(0 - h.x - v.x, |
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| 195 | 0 - h.y - v.y, |
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| 196 | 0 - h.z - v.z); |
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| 197 | glTexCoord2f(1.0f, 0.0f); |
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| 198 | glVertex3f( 0 + h.x - v.x, |
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| 199 | 0 + h.y - v.y, |
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| 200 | 0 + h.z - v.z); |
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| 201 | glTexCoord2f(1.0f, 1.0f); |
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| 202 | glVertex3f(0 + h.x + v.x, |
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| 203 | 0 + h.y + v.y, |
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| 204 | 0 + h.z + v.z); |
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| 205 | glTexCoord2f(0.0f, 1.0f); |
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| 206 | glVertex3f(0 - h.x + v.x, |
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| 207 | 0 - h.y + v.y, |
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| 208 | 0 - h.z + v.z); |
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| 209 | glEnd(); |
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| 210 | |
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| 211 | |
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[7951] | 212 | glPopMatrix(); |
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[7111] | 213 | } |
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