[7353] | 1 | /* |
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| 2 | orxonox - the future of 3D-vertical-scrollers |
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[7511] | 3 | |
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[7353] | 4 | Copyright (C) 2006 orx |
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[7511] | 5 | |
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[7353] | 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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[7511] | 10 | |
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[7353] | 11 | ### File Specific: |
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| 12 | main-programmer: bottac@ee.ethz.ch |
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| 13 | */ |
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| 14 | |
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| 15 | |
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| 16 | #include "vector.h" |
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| 17 | #include "bsp_file.h" |
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| 18 | #include "bsp_manager.h" |
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[7385] | 19 | #include "bsp_tree_leaf.h" |
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[7353] | 20 | #include "p_node.h" |
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| 21 | #include "state.h" |
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| 22 | #include "debug.h" |
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| 23 | #include "material.h" |
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| 24 | #include "camera.h" |
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| 25 | #include "vertex_array_model.h" |
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[7579] | 26 | #include "world_entities/player.h" |
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| 27 | #include "world_entities/playable.h" |
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[7596] | 28 | #include "util/loading/resource_manager.h" |
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[7385] | 29 | // STL Containers |
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| 30 | #include <vector> |
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| 31 | #include <deque> |
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[7801] | 32 | #include "movie_player.h" |
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[7353] | 33 | |
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| 34 | |
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| 35 | |
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| 36 | |
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| 37 | BspManager::BspManager() |
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| 38 | { |
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[7395] | 39 | // open a BSP file |
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| 40 | this->bspFile = new BspFile(); |
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[7596] | 41 | this->bspFile->read(ResourceManager::getFullName("test.bsp").c_str()); |
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[7395] | 42 | this->bspFile->build_tree(); |
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| 43 | this->root = this->bspFile->get_root(); |
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| 44 | this->alreadyVisible = new bool [this->bspFile->numFaces]; |
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[7353] | 45 | } |
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| 46 | |
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| 47 | void BspManager::draw() |
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| 48 | { |
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| 49 | |
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| 50 | |
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| 51 | |
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| 52 | |
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| 53 | |
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[7395] | 54 | // Draw Debug Terrain |
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| 55 | /* |
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[7511] | 56 | this->bspFile->Materials[0]->select(); |
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[7395] | 57 | for(int i = 0; i < this->bspFile->numPatches ; i++) |
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[7511] | 58 | { |
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| 59 | this->bspFile->VertexArrayModels[i]->draw(); |
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| 60 | |
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| 61 | } |
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[7395] | 62 | */ |
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[7353] | 63 | |
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| 64 | |
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| 65 | |
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[7395] | 66 | // erase alreadyVisible |
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| 67 | for(int i = 0; i < this->bspFile->numFaces; i++) this->alreadyVisible[i] = false; |
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| 68 | float tmp = 0; |
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[7579] | 69 | //this->opal.clear(); |
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| 70 | //this->trasparent.clear(); |
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[7353] | 71 | // Find all visible faces... |
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| 72 | |
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[7395] | 73 | this->cam = State::getCamera()->getAbsCoor() ; |
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[7579] | 74 | //this->ship = State::getCameraTargetNode()->getAbsCoor(); |
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[7353] | 75 | |
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| 76 | |
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| 77 | |
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| 78 | |
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[7563] | 79 | |
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[7579] | 80 | // this->viewDir= State::getCameraTarget()->getAbsCoor() - State::getCamera()->getAbsCoor() ; |
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[7395] | 81 | float d = (cam.x*viewDir.x + cam.y*viewDir.y + cam.z * viewDir.z); |
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[7353] | 82 | |
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[7395] | 83 | BspTreeNode* ActLeaf = this->getLeaf(this->bspFile->root, &ship); |
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| 84 | int viscluster = -1; |
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| 85 | viscluster =((leaf*)(this->bspFile->leaves))[ ActLeaf->leafIndex].cluster; // get the players cluster (viscluster) |
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[7353] | 86 | |
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| 87 | |
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| 88 | |
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[7563] | 89 | this->cam = State::getCameraTargetNode()->getAbsCoor(); |
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[7801] | 90 | // this->checkCollision(this->root, &this->cam); //!< Test Collision Detection |
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[7563] | 91 | this->outputStartsOut = true; |
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| 92 | this->outputAllSolid = false; |
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| 93 | this->outputFraction = 1.0f; |
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| 94 | |
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[7801] | 95 | this->checkCollisionRay(this->root,0.0f,1.0f, &(State::getCameraTargetNode()->getLastAbsCoor()), &this->cam); |
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[7563] | 96 | |
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| 97 | if(this->outputFraction != 1.0f || this->outputAllSolid ) this->drawDebugCube(&this->cam); |
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[7395] | 98 | |
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[7801] | 99 | if ( viscluster < 0 || ((int *)(this->bspFile->header))[35] == 0 ) //!< if (sizeof(Visdata) == 0) |
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[7395] | 100 | { |
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[7563] | 101 | |
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| 102 | |
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| 103 | |
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[7465] | 104 | // Iterate through all Leafspublic final double readLEDouble() |
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[7395] | 105 | for(int i = 0; i < this->bspFile->numLeafs ; i++ ) |
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[7353] | 106 | { |
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[7395] | 107 | // cluster = (this->bspFile->leaves)[i].cluster; |
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| 108 | leaf& curLeaf = (this->bspFile->leaves)[i]; |
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[7563] | 109 | if(curLeaf.cluster<0) continue; |
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| 110 | |
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| 111 | |
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| 112 | /** Do Frustum culling and draw 'em all **/ |
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| 113 | bool inFrustum = true; |
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[7801] | 114 | |
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[7563] | 115 | Vector dir; |
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| 116 | dir.x = this->cam.x - State::getCameraTargetNode()->getLastAbsCoor().x; |
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| 117 | dir.y = this->cam.y - State::getCameraTargetNode()->getLastAbsCoor().y; |
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| 118 | dir.z = this->cam.z - State::getCameraTargetNode()->getLastAbsCoor().z; |
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| 119 | float dist = dir.x*this->cam.x +dir.y*this->cam.y +dir.z*this->cam.z; |
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| 120 | //if(dist < 0) dist = -dist; |
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[7801] | 121 | const float dMins = dir.x*(float)curLeaf.mins[0] +dir.y*(float)curLeaf.mins[1] +dir.z*(float)curLeaf.mins[2] - dist ; |
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| 122 | const float dMaxs = dir.x*(float)curLeaf.maxs[0] +dir.y*(float)curLeaf.maxs[1] +dir.z*(float)curLeaf.maxs[2] - dist ; |
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[7563] | 123 | |
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[7801] | 124 | if(dMins < -30.0 && dMaxs < -30.0) |
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[7563] | 125 | { |
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[7801] | 126 | //continue; |
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[7563] | 127 | } |
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[7801] | 128 | if( (this->cam - Vector(curLeaf.mins[0],curLeaf.mins[1], curLeaf.mins[2])).len() > 3000 && (this->cam - Vector(curLeaf.maxs[0],curLeaf.maxs[1], curLeaf.maxs[2])).len() > 3000) |
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| 129 | { |
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| 130 | //continue; |
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| 131 | } |
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[7563] | 132 | |
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| 133 | |
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[7395] | 134 | // Iterate through all faces |
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| 135 | for (int j = 0; j < curLeaf.n_leaffaces ; ++j) { |
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[7596] | 136 | const int g = (j + curLeaf.leafface); |
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| 137 | const int f = ((int *)this->bspFile->leafFaces)[g]; |
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[7395] | 138 | if (f >=0 && !this->isAlreadyVisible(f)) { |
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| 139 | this->alreadyVisible[f] = true; |
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[7563] | 140 | |
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[7395] | 141 | addFace(f); // "visibleFaces.append(f)" |
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| 142 | } |
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| 143 | } |
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[7353] | 144 | |
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| 145 | |
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| 146 | |
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| 147 | |
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[7395] | 148 | } //for |
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[7596] | 149 | } |
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| 150 | else { |
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[7579] | 151 | |
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| 152 | |
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[7395] | 153 | unsigned int v; |
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| 154 | unsigned char visSet; |
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[7353] | 155 | |
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[7395] | 156 | // Iterate through all Leafs |
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[7385] | 157 | |
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[7395] | 158 | for(int i = 0; i < this->bspFile->numLeafs ; ++i ) { |
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| 159 | leaf& camLeaf = (this->bspFile->leaves)[ActLeaf->leafIndex] ; |
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| 160 | leaf& curLeaf = (this->bspFile->leaves)[i] ; |
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[7579] | 161 | int& cluster = curLeaf.cluster; |
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[7563] | 162 | |
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| 163 | if(cluster < 0) continue; |
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[7395] | 164 | v = ((viscluster * ( ((int *)this->bspFile->visData)[1]) ) + (cluster / 8)); |
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[7579] | 165 | visSet =((char*) (this->bspFile->visData))[v + 8]; |
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[7563] | 166 | |
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[7579] | 167 | // gets bit of visSet |
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| 168 | if( ((visSet) & (1 << (cluster & 7))) != 0 ) { |
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[7592] | 169 | |
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| 170 | // Frustum culling |
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| 171 | |
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| 172 | Vector dir; |
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| 173 | dir.x = this->cam.x - State::getCameraTargetNode()->getLastAbsCoor().x; |
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| 174 | dir.y = this->cam.y - State::getCameraTargetNode()->getLastAbsCoor().y; |
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| 175 | dir.z = this->cam.z - State::getCameraTargetNode()->getLastAbsCoor().z; |
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| 176 | const float dist = dir.x*this->cam.x +dir.y*this->cam.y +dir.z*this->cam.z; |
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| 177 | //if(dist < 0) dist = -dist; |
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| 178 | const float dMins = dir.x*(float)curLeaf.mins[0] +dir.y*(float)curLeaf.mins[1] +dir.z*(float)curLeaf.mins[2] - dist; |
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| 179 | const float dMaxs = dir.x*(float)curLeaf.maxs[0] +dir.y*(float)curLeaf.maxs[1] +dir.z*(float)curLeaf.maxs[2] - dist; |
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| 180 | |
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[7801] | 181 | if(dMins < -150.0 && dMaxs < -150.0) |
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[7592] | 182 | { |
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| 183 | continue; |
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| 184 | } |
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| 185 | |
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| 186 | |
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[7395] | 187 | // Iterate through all faces |
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[7563] | 188 | for (int j = 0; j < curLeaf.n_leaffaces ; ++j) { |
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[7579] | 189 | const int g = (j + curLeaf.leafface); |
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| 190 | const int f = ((int *)this->bspFile->leafFaces)[g]; |
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[7395] | 191 | |
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| 192 | if (!this->isAlreadyVisible(f) && f>=0) { |
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| 193 | this->addFace(f); |
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| 194 | this->alreadyVisible[f] = true; |
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| 195 | } |
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| 196 | |
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| 197 | } |
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| 198 | |
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[7563] | 199 | }// if |
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[7395] | 200 | |
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| 201 | }//for |
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| 202 | |
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| 203 | }//else |
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| 204 | |
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| 205 | while(!this->opal.empty()) { |
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| 206 | this->draw_face(this->opal.front()); |
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| 207 | this->opal.pop_front(); |
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| 208 | } |
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| 209 | while(!this->trasparent.empty()) { |
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| 210 | this->draw_face(this->trasparent.back()); |
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| 211 | this->trasparent.pop_back(); |
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| 212 | } |
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[7801] | 213 | glActiveTextureARB(GL_TEXTURE1_ARB); |
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| 214 | glBindTexture(GL_TEXTURE_2D, this->bspFile->whiteLightMap); |
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| 215 | glEnable(GL_TEXTURE_2D); |
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[7395] | 216 | |
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[7353] | 217 | }//draw |
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| 218 | |
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| 219 | |
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[7563] | 220 | |
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[7353] | 221 | void BspManager::draw_face(int curface) |
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| 222 | { |
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[7395] | 223 | face& curFace = (this->bspFile->faces)[curface]; |
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| 224 | const BspVertex* curVertex = (BspVertex *) this->bspFile->vertice; |
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| 225 | int stride = sizeof(BspVertex); // sizeof(Vertex) |
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| 226 | int offset = curFace.vertex; |
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[7801] | 227 | if (curFace.effect != -1) return; |
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[7353] | 228 | // PRINTF(0)("BSP Manager: "); |
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| 229 | // PRINTF(0)("BSP Manager: type: %i \n", curFace.texture); |
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[7395] | 230 | |
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| 231 | // if( curFace.texture < 0 ) return; |
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| 232 | if(curFace.type == 2) { |
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| 233 | this->draw_patch( &curFace); |
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| 234 | return; |
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| 235 | } |
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[7801] | 236 | if(curFace.type != 1) return; |
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| 237 | if((char*)(this->bspFile->textures)[curFace.texture*72]== 0) return; |
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[7563] | 238 | |
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[7544] | 239 | if(this->lastTex != curFace.texture) { |
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[7801] | 240 | if(this->bspFile->Materials[curFace.texture].animated) |
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| 241 | { |
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| 242 | glBlendFunc(GL_ONE,GL_ONE_MINUS_SRC_COLOR); |
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| 243 | glEnable(GL_BLEND); |
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| 244 | if(this->bspFile->Materials[curFace.texture].aviMat->getStatus() == 2) this->bspFile->Materials[curFace.texture].aviMat->start(0); |
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| 245 | this->bspFile->Materials[curFace.texture].aviMat->tick(0.005); |
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| 246 | int n = this->bspFile->Materials[curFace.texture].aviMat->getTexture(); |
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| 247 | glActiveTextureARB(GL_TEXTURE0_ARB); |
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| 248 | glBindTexture(GL_TEXTURE_2D, n ); |
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| 249 | glDisable(GL_BLEND); |
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| 250 | } |
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| 251 | else |
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| 252 | { |
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[7510] | 253 | this->bspFile->Materials[curFace.texture].mat->select(); |
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[7563] | 254 | this->lastTex = curFace.texture; |
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[7801] | 255 | } |
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[7544] | 256 | } |
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[7563] | 257 | |
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| 258 | if(curFace.lm_index < 0) { |
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[7465] | 259 | glActiveTextureARB(GL_TEXTURE1_ARB); |
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[7563] | 260 | glBindTexture(GL_TEXTURE_2D, this->bspFile->whiteLightMap ); |
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| 261 | glEnable(GL_TEXTURE_2D); |
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| 262 | } else { |
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| 263 | glActiveTextureARB(GL_TEXTURE1_ARB); |
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[7465] | 264 | glBindTexture(GL_TEXTURE_2D, this->bspFile->glLightMapTextures[curFace.lm_index]); |
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| 265 | glEnable(GL_TEXTURE_2D); |
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[7563] | 266 | } |
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| 267 | |
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[7801] | 268 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
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| 269 | |
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[7579] | 270 | // glColor4f(3.0,3.0,3.0,1.0); |
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[7544] | 271 | glEnableClientState(GL_VERTEX_ARRAY ); |
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| 272 | glEnableClientState(GL_TEXTURE_COORD_ARRAY ); |
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[7353] | 273 | glEnableClientState(GL_NORMAL_ARRAY ); |
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[7395] | 274 | // glEnableClientState(GL_COLOR_ARRAY); |
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| 275 | |
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[7563] | 276 | |
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[7353] | 277 | glVertexPointer(3, GL_FLOAT, stride, &(curVertex[offset].position[0])); |
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[7563] | 278 | |
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[7465] | 279 | glClientActiveTextureARB(GL_TEXTURE0_ARB); |
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[7353] | 280 | glTexCoordPointer(2, GL_FLOAT, stride, &(curVertex[offset].texcoord[0])); |
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[7801] | 281 | //glEnableClientState(GL_TEXTURE_COORD_ARRAY); |
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[7563] | 282 | |
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[7465] | 283 | glClientActiveTextureARB(GL_TEXTURE1_ARB); |
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| 284 | glTexCoordPointer(2, GL_FLOAT, stride, &(curVertex[offset].texcoord[1])); |
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[7544] | 285 | //glEnableClientState(GL_TEXTURE_COORD_ARRAY); |
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[7353] | 286 | |
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[7563] | 287 | |
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[7353] | 288 | glNormalPointer( GL_FLOAT, stride, &(curVertex[offset].normal[0])); |
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[7395] | 289 | // glColorPointer(4, GL_BYTE, stride, &(curVertex[offset].color[0])); |
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[7353] | 290 | glDrawElements(GL_TRIANGLES, curFace.n_meshverts, |
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[7395] | 291 | GL_UNSIGNED_INT, &(((meshvert *)this->bspFile->meshverts) [curFace.meshvert])); |
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[7353] | 292 | |
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[7465] | 293 | glDisableClientState(GL_TEXTURE0_ARB); |
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| 294 | glDisableClientState(GL_TEXTURE1_ARB); |
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[7353] | 295 | glDisableClientState(GL_VERTEX_ARRAY ); |
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[7801] | 296 | glDisableClientState(GL_TEXTURE_COORD_ARRAY ); |
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[7353] | 297 | glDisableClientState(GL_NORMAL_ARRAY ); |
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[7395] | 298 | // glDisableClientState(GL_COLOR_ARRAY); |
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| 299 | |
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[7353] | 300 | } |
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| 301 | |
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| 302 | |
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| 303 | void BspManager::draw_debug_face(int curface) |
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| 304 | { |
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[7395] | 305 | face& curFace = (this->bspFile->faces)[curface]; |
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| 306 | const BspVertex* curVertex = (BspVertex *) this->bspFile->vertice; |
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| 307 | int stride = 44; // sizeof(Vertex) |
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| 308 | int offset = curFace.vertex; |
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| 309 | |
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[7353] | 310 | // PRINTF(0)("BSP Manager: "); |
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| 311 | // PRINTF(0)("BSP Manager: type: %i \n", curFace.texture); |
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| 312 | |
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[7395] | 313 | // if( curFace.texture < 0 ) return; |
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| 314 | if(curFace.type == 2) { |
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| 315 | this->draw_patch( &curFace); |
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| 316 | return; |
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| 317 | } |
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| 318 | if(curFace.type == 3) return; |
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| 319 | // if(this->bspFile->Materials[curFace.texture] != NULL) |
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[7353] | 320 | |
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[7395] | 321 | this->bspFile->Materials[2].mat->select(); |
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| 322 | this->lastTex = 2; |
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| 323 | |
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[7353] | 324 | glEnableClientState(GL_VERTEX_ARRAY ); |
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| 325 | glEnableClientState(GL_TEXTURE_COORD_ARRAY ); |
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| 326 | glEnableClientState(GL_NORMAL_ARRAY ); |
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[7395] | 327 | //glEnableClientState(GL_COLOR_ARRAY); |
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[7353] | 328 | // glEnableClientState(GL_VERTEX_ARRAY ); |
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[7465] | 329 | glClientActiveTextureARB(GL_TEXTURE0_ARB); |
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[7353] | 330 | glVertexPointer(3, GL_FLOAT, stride, &(curVertex[offset].position[0])); |
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[7465] | 331 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); |
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[7395] | 332 | // glClientActiveTextureARB(GL_TEXTURE0_ARB); |
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[7465] | 333 | glClientActiveTextureARB(GL_TEXTURE1_ARB); |
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[7353] | 334 | glTexCoordPointer(2, GL_FLOAT, stride, &(curVertex[offset].texcoord[0])); |
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[7465] | 335 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); |
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[7395] | 336 | // glClientActiveTextureARB(GL_TEXTURE1_ARB); |
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| 337 | // glTexCoordPointer(2, GL_FLOAT, stride, &(curVertex[offset].texcoord[1])); |
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| 338 | //glEnableClientState(GL_NORMAL_ARRAY ); |
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[7353] | 339 | |
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| 340 | glNormalPointer( GL_FLOAT, stride, &(curVertex[offset].normal[0])); |
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[7395] | 341 | // glColorPointer(4, GL_BYTE, stride, &(curVertex[offset].color[0])); |
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[7353] | 342 | glDrawElements(GL_TRIANGLES, curFace.n_meshverts, |
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[7395] | 343 | GL_UNSIGNED_INT, &(((meshvert *)this->bspFile->meshverts) [curFace.meshvert])); |
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| 344 | |
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[7353] | 345 | } |
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| 346 | |
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| 347 | void BspManager::draw_patch(face* Face) |
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| 348 | { |
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[7544] | 349 | if(this->lastTex != Face->texture) { |
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[7510] | 350 | this->bspFile->Materials[Face->texture].mat->select(); |
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[7544] | 351 | this->lastTex = Face->texture; |
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| 352 | } |
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[7801] | 353 | if (Face->effect != -1) return; |
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[7563] | 354 | |
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| 355 | |
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| 356 | if(Face->lm_index < 0) { |
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[7465] | 357 | glActiveTextureARB(GL_TEXTURE1_ARB); |
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[7511] | 358 | glBindTexture(GL_TEXTURE_2D, this->bspFile->whiteLightMap); |
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[7465] | 359 | glEnable(GL_TEXTURE_2D); |
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[7563] | 360 | } else { |
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[7465] | 361 | glActiveTextureARB(GL_TEXTURE1_ARB); |
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| 362 | glBindTexture(GL_TEXTURE_2D, this->bspFile->glLightMapTextures[Face->lm_index]); |
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| 363 | glEnable(GL_TEXTURE_2D); |
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[7563] | 364 | } |
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[7579] | 365 | //glColor4f(3.0,3.0,3.0,1.0); |
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[7563] | 366 | |
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[7801] | 367 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
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| 368 | glEnable( GL_AUTO_NORMAL); |
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[7465] | 369 | glEnableClientState(GL_VERTEX_ARRAY ); |
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| 370 | glEnableClientState(GL_TEXTURE_COORD_ARRAY ); |
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[7801] | 371 | for(int i = Face->n_meshverts -1; i >=0 ; i--) { |
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| 372 | //glFrontFace(GL_CW); |
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[7395] | 373 | //PRINTF(0)("BSP Manager: Face->size[0]: %i . \n", Face->size[0]); |
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[7563] | 374 | |
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| 375 | |
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[7801] | 376 | //glEnableClientState(GL_NORMAL_ARRAY ); |
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[7353] | 377 | |
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[7395] | 378 | glVertexPointer(3, GL_FLOAT,44, &((((BspVertex*)(this->bspFile->patchVertice))[8*8*(Face->meshvert+i)]).position[0])); |
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[7563] | 379 | |
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| 380 | |
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[7465] | 381 | glClientActiveTextureARB(GL_TEXTURE0_ARB); |
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[7801] | 382 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); |
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[7395] | 383 | glTexCoordPointer(2, GL_FLOAT, 44, &((((BspVertex*)(this->bspFile->patchVertice))[8*8*(Face->meshvert+i)]).texcoord[0][0])); |
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[7801] | 384 | |
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[7465] | 385 | |
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[7563] | 386 | |
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[7465] | 387 | glClientActiveTextureARB(GL_TEXTURE1_ARB); |
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| 388 | glTexCoordPointer(2, GL_FLOAT, 44, &((((BspVertex*)(this->bspFile->patchVertice))[8*8*(Face->meshvert+i)]).texcoord[1][0])); |
---|
[7544] | 389 | //glEnableClientState(GL_TEXTURE_COORD_ARRAY); |
---|
[7465] | 390 | |
---|
[7563] | 391 | |
---|
[7801] | 392 | // glNormalPointer( GL_FLOAT, 44,&((((BspVertex*)(this->bspFile->patchVertice))[8*8*(Face->meshvert+i)]).normal[0]) ); |
---|
[7353] | 393 | |
---|
| 394 | |
---|
| 395 | |
---|
[7563] | 396 | |
---|
[7801] | 397 | for(int row=6; row>=0; --row) { |
---|
[7395] | 398 | glDrawElements(GL_TRIANGLE_STRIP, 2*(8), GL_UNSIGNED_INT, |
---|
| 399 | & ( (((GLuint*) (this->bspFile->patchIndexes))[7*8*2*(Face->meshvert+i)+ row*2*8] )) ); |
---|
| 400 | } |
---|
[7563] | 401 | |
---|
[7801] | 402 | //glFrontFace(GL_CCW); |
---|
[7395] | 403 | } |
---|
[7465] | 404 | glDisableClientState(GL_TEXTURE0_ARB); |
---|
| 405 | glDisableClientState(GL_TEXTURE1_ARB); |
---|
[7801] | 406 | glDisable(GL_AUTO_NORMAL); |
---|
[7465] | 407 | glDisableClientState(GL_VERTEX_ARRAY ); |
---|
| 408 | glDisableClientState(GL_TEXTURE_COORD_ARRAY ); |
---|
[7563] | 409 | |
---|
| 410 | |
---|
[7353] | 411 | } |
---|
| 412 | |
---|
| 413 | bool BspManager::isAlreadyVisible(int Face) |
---|
| 414 | { |
---|
[7395] | 415 | return this->alreadyVisible[Face]; |
---|
[7353] | 416 | } |
---|
| 417 | |
---|
| 418 | |
---|
| 419 | BspTreeNode* BspManager::getLeaf(BspTreeNode* node, Vector* cam) |
---|
| 420 | { |
---|
[7395] | 421 | float dist = 0; |
---|
| 422 | while(!(node->isLeaf)) { |
---|
| 423 | dist = (node->plane.x * this->cam.x + node->plane.y*this->cam.y + node->plane.z*this->cam.z) - node->d; |
---|
| 424 | if(dist >= 0.0f) { |
---|
| 425 | node = node->left; |
---|
| 426 | } else { |
---|
| 427 | node = node->right; |
---|
| 428 | } |
---|
| 429 | } |
---|
| 430 | return node; |
---|
[7353] | 431 | } |
---|
| 432 | |
---|
[7563] | 433 | void BspManager::checkBrushRay(brush* curBrush) |
---|
| 434 | { |
---|
| 435 | float EPSILON = 0.000001; |
---|
| 436 | float startDistance; |
---|
| 437 | float endDistance; |
---|
| 438 | |
---|
| 439 | float startFraction = -1.0f; |
---|
| 440 | float endFraction = 1.0f; |
---|
| 441 | bool startsOut = false; |
---|
| 442 | bool endsOut = false; |
---|
| 443 | |
---|
| 444 | Vector inputStart = State::getCameraTargetNode()->getLastAbsCoor(); |
---|
| 445 | Vector inputEnd = State::getCameraTargetNode()->getAbsCoor(); |
---|
| 446 | |
---|
| 447 | for (int i = 0; i < curBrush->n_brushsides; i++) |
---|
| 448 | { |
---|
| 449 | brushside& curBrushSide = this->bspFile->brushSides[curBrush->brushside + i] ; |
---|
| 450 | plane& curPlane = this->bspFile->planes[curBrushSide.plane] ; |
---|
| 451 | |
---|
| 452 | startDistance = inputStart.x * curPlane.x + inputStart.y * curPlane.y+ inputStart.z * curPlane.z - curPlane.d; |
---|
| 453 | endDistance = inputEnd.x * curPlane.x +inputEnd.y * curPlane.y +inputEnd.z * curPlane.z -curPlane.d; |
---|
| 454 | |
---|
| 455 | if (startDistance > 0) |
---|
| 456 | startsOut = true; |
---|
| 457 | if (endDistance > 0) |
---|
| 458 | endsOut = true; |
---|
| 459 | |
---|
| 460 | // make sure the trace isn't completely on one side of the brush |
---|
| 461 | if (startDistance > 0 && endDistance > 0) |
---|
| 462 | { // both are in front of the plane, its outside of this brush |
---|
| 463 | return; |
---|
| 464 | } |
---|
| 465 | if (startDistance <= 0 && endDistance <= 0) |
---|
| 466 | { // both are behind this plane, it will get clipped by another one |
---|
| 467 | continue; |
---|
| 468 | } |
---|
| 469 | |
---|
| 470 | // MMM... BEEFY |
---|
| 471 | if (startDistance > endDistance) |
---|
| 472 | { // line is entering into the brush |
---|
| 473 | float fraction = (startDistance - EPSILON) / (startDistance - endDistance); // * |
---|
| 474 | if (fraction > startFraction) |
---|
| 475 | startFraction = fraction; |
---|
| 476 | } |
---|
| 477 | else |
---|
| 478 | { // line is leaving the brush |
---|
| 479 | float fraction = (startDistance + EPSILON) / (startDistance - endDistance); // * |
---|
| 480 | if (fraction < endFraction) |
---|
| 481 | endFraction = fraction; |
---|
| 482 | } |
---|
| 483 | |
---|
| 484 | } |
---|
| 485 | if (startsOut == false) |
---|
| 486 | { |
---|
| 487 | this->outputStartsOut = false; |
---|
| 488 | if (endsOut == false) |
---|
| 489 | this->outputAllSolid = true; |
---|
| 490 | return; |
---|
| 491 | } |
---|
| 492 | |
---|
| 493 | if (startFraction < endFraction) |
---|
| 494 | { |
---|
| 495 | if (startFraction > -1.0f && startFraction < outputFraction) |
---|
| 496 | { |
---|
| 497 | if (startFraction < 0) |
---|
| 498 | startFraction = 0; |
---|
| 499 | this->outputFraction = startFraction; |
---|
| 500 | } |
---|
| 501 | } |
---|
| 502 | |
---|
| 503 | } |
---|
| 504 | |
---|
| 505 | void BspManager::checkCollisionRay(BspTreeNode* node, float startFraction, float endFraction, Vector* start, Vector* end) |
---|
| 506 | { |
---|
| 507 | |
---|
| 508 | |
---|
| 509 | float EPSILON = 0.000001; |
---|
| 510 | float endDistance = (end)->x * (node->plane.x) +(end)->y * (node->plane.y) +(end)->z * (node->plane.z) - node->d; |
---|
| 511 | float startDistance = (start)->x * (node->plane.x)+ (start)->y * (node->plane.y)+ (start)->z * (node->plane.z)- node->d; |
---|
| 512 | |
---|
| 513 | |
---|
| 514 | if(node->isLeaf) { |
---|
| 515 | leaf& curLeaf = this->bspFile->leaves[node->leafIndex]; |
---|
| 516 | for (int i = 0; i < curLeaf.n_leafbrushes ; i++) { |
---|
| 517 | brush& curBrush = this->bspFile->brushes[((int*)(this->bspFile->leafBrushes))[curLeaf.leafbrush_first+i]]; |
---|
| 518 | //object *brush = &BSP.brushes[BSP.leafBrushes[leaf->firstLeafBrush + i]]; |
---|
| 519 | if (curBrush.n_brushsides > 0 && |
---|
| 520 | ((((BspTexture*)(this->bspFile->textures))[curBrush.texture]).contents & 1)) |
---|
| 521 | // CheckBrush( brush ); |
---|
| 522 | this->checkBrushRay(&curBrush); |
---|
| 523 | if(curBrush.n_brushsides <=0) this->outputAllSolid = true; |
---|
| 524 | } |
---|
| 525 | return; |
---|
| 526 | } |
---|
| 527 | |
---|
| 528 | |
---|
| 529 | if (startDistance >= 0 && endDistance >= 0) // A |
---|
| 530 | { // both points are in front of the plane |
---|
| 531 | // so check the front child |
---|
| 532 | this->checkCollisionRay(node->left,0,0,start,end); |
---|
| 533 | } else if (startDistance < 0 && endDistance < 0) // B |
---|
| 534 | { // both points are behind the plane |
---|
| 535 | // so check the back child |
---|
| 536 | this->checkCollisionRay(node->right,0,0,start,end); |
---|
| 537 | } else // C |
---|
| 538 | { // the line spans the splitting plane |
---|
| 539 | int side; |
---|
| 540 | float fraction1, fraction2, middleFraction; |
---|
| 541 | Vector middle; |
---|
| 542 | |
---|
| 543 | // STEP 1: split the segment into two |
---|
| 544 | if (startDistance < endDistance) { |
---|
| 545 | side = 1; // back |
---|
| 546 | float inverseDistance = 1.0f / (startDistance - endDistance); |
---|
| 547 | fraction1 = (startDistance + EPSILON) * inverseDistance; |
---|
| 548 | fraction2 = (startDistance + EPSILON) * inverseDistance; |
---|
| 549 | } else if (endDistance < startDistance) { |
---|
| 550 | side = 0; // front(start)->x * (node->plane.x)+ |
---|
| 551 | float inverseDistance = 1.0f / (startDistance - endDistance); |
---|
| 552 | fraction1 = (startDistance + EPSILON) * inverseDistance; |
---|
| 553 | fraction2 = (startDistance - EPSILON) * inverseDistance; |
---|
| 554 | } else { |
---|
| 555 | side = 0; // front |
---|
| 556 | fraction1 = 1.0f; |
---|
| 557 | fraction2 = 0.0f; |
---|
| 558 | } |
---|
| 559 | |
---|
| 560 | // STEP 2: make sure the numbers are valid |
---|
| 561 | if (fraction1 < 0.0f) fraction1 = 0.0f; |
---|
| 562 | else if (fraction1 > 1.0f) fraction1 = 1.0f; |
---|
| 563 | if (fraction2 < 0.0f) fraction2 = 0.0f; |
---|
| 564 | else if (fraction2 > 1.0f) fraction2 = 1.0f; |
---|
| 565 | |
---|
| 566 | // STEP 3: calculate the middle point for the first side |
---|
| 567 | middleFraction = startFraction + |
---|
| 568 | (endFraction - startFraction) * fraction1; |
---|
| 569 | |
---|
| 570 | middle.x = start->x + fraction1 * (end->x - start->x); |
---|
| 571 | middle.y = start->y + fraction1 * (end->y - start->y); |
---|
| 572 | middle.z = start->z + fraction1 * (end->z - start->z); |
---|
| 573 | |
---|
| 574 | // STEP 4: check the first side |
---|
| 575 | //CheckNode( node->children[side], startFraction, middleFraction, start, middle ); |
---|
| 576 | if(side == 0) this->checkCollisionRay(node->left,startFraction, middleFraction, start, &middle ); |
---|
| 577 | |
---|
| 578 | else this->checkCollisionRay(node->right,startFraction, middleFraction, |
---|
| 579 | start, &middle ); |
---|
| 580 | |
---|
| 581 | // STEP 5: calculate the middle point for the second side |
---|
| 582 | middleFraction = startFraction + |
---|
| 583 | (endFraction - startFraction) * fraction2; |
---|
| 584 | |
---|
| 585 | middle.x = start->x + fraction2 * (end->x - start->x); |
---|
| 586 | middle.y = start->y + fraction2 * (end->y - start->y); |
---|
| 587 | middle.z = start->z + fraction2 * (end->z - start->z); |
---|
| 588 | |
---|
| 589 | // STEP 6: check the second side |
---|
| 590 | if(side == 1)this->checkCollisionRay(node->left,middleFraction, endFraction, &middle, end); |
---|
| 591 | |
---|
| 592 | else this->checkCollisionRay(node->right,middleFraction, endFraction,&middle, end ); |
---|
| 593 | |
---|
| 594 | |
---|
| 595 | } |
---|
| 596 | |
---|
| 597 | } |
---|
[7353] | 598 | void BspManager::checkCollision(BspTreeNode* node, Vector* cam) |
---|
| 599 | { |
---|
[7563] | 600 | Vector next = this->cam; |
---|
| 601 | next.x = (State::getCameraTargetNode()->getLastAbsCoor()).x ; |
---|
| 602 | next.y = (State::getCameraTargetNode()->getLastAbsCoor()).y ; |
---|
| 603 | next.z = (State::getCameraTargetNode()->getLastAbsCoor()).z ; |
---|
| 604 | |
---|
[7395] | 605 | float dist = 0; |
---|
| 606 | if(!(node->isLeaf)) { |
---|
| 607 | dist = (node->plane.x * this->cam.x + node->plane.y*this->cam.y + node->plane.z*this->cam.z) - node->d; |
---|
| 608 | if(dist > 4.0f) { |
---|
| 609 | checkCollision(node->left,cam); |
---|
| 610 | return; |
---|
| 611 | } |
---|
| 612 | if(dist < -4.0f) { |
---|
| 613 | checkCollision(node->right,cam); |
---|
| 614 | return; |
---|
| 615 | } |
---|
| 616 | if(dist<=4.0f && dist >= -4.0f) { |
---|
| 617 | checkCollision(node->left,cam); |
---|
| 618 | checkCollision(node->right,cam); |
---|
| 619 | return; |
---|
| 620 | } |
---|
| 621 | return; |
---|
| 622 | } else { |
---|
[7353] | 623 | |
---|
[7395] | 624 | leaf& camLeaf = ((leaf *)(this->bspFile->leaves))[(node->leafIndex ) ]; |
---|
[7353] | 625 | |
---|
[7579] | 626 | if (camLeaf.cluster < 0) { |
---|
| 627 | this->drawDebugCube(&this->cam); |
---|
| 628 | this->drawDebugCube(&next); |
---|
| 629 | State::getPlayer()->getPlayable()->setRelCoor(-100,-100,-100); |
---|
| 630 | State::getPlayer()->getPlayable()->collidesWith(NULL, State::getCameraTargetNode()->getLastAbsCoor()); |
---|
| 631 | } |
---|
[7395] | 632 | |
---|
| 633 | |
---|
| 634 | /* |
---|
[7511] | 635 | for(int i = 0; i < camLeaf.n_leafbrushes && i < 10; i++ ) |
---|
| 636 | { |
---|
| 637 | brush& curBrush = ((brush*)(this->bspFile->brushes))[(camLeaf.leafbrush_first +i)%this->bspFile->numLeafBrushes]; |
---|
| 638 | if(curBrush.n_brushsides < 0) return; |
---|
| 639 | for(int j = 0; j < curBrush.n_brushsides; j++) |
---|
| 640 | { |
---|
| 641 | float dist = -0.1; |
---|
| 642 | brushside& curBrushSide = ((brushside*)(this->bspFile->brushSides))[(curBrush.brushside +j)%this->bspFile->numBrushSides]; |
---|
| 643 | plane& testPlane = ((plane*)(this->bspFile->planes))[curBrushSide.plane % this->bspFile->numPlanes]; |
---|
| 644 | dist = testPlane.x * this->cam.x + testPlane.y * this->cam.y + testPlane.z * this->cam.z -testPlane.d ; |
---|
| 645 | |
---|
| 646 | if(dist < -0.01f) dist = -1.0f *dist; |
---|
| 647 | if(dist < 1.0f){ |
---|
| 648 | this->drawDebugCube(&this->cam); |
---|
| 649 | return; |
---|
| 650 | } |
---|
| 651 | } |
---|
| 652 | |
---|
| 653 | } */ |
---|
[7395] | 654 | |
---|
| 655 | } |
---|
| 656 | return; |
---|
[7353] | 657 | } |
---|
| 658 | |
---|
| 659 | void BspManager::drawDebugCube(Vector* cam) |
---|
| 660 | { |
---|
[7395] | 661 | glBegin(GL_QUADS); |
---|
[7353] | 662 | |
---|
[7395] | 663 | // Bottom Face. Red, 75% opaque, magnified texture |
---|
[7353] | 664 | |
---|
[7395] | 665 | glNormal3f( 0.0f, -1.0f, 0.0f); // Needed for lighting |
---|
| 666 | glColor4f(0.9,0.2,0.2,.75); // Basic polygon color |
---|
[7353] | 667 | |
---|
[7395] | 668 | glTexCoord2f(0.800f, 0.800f); glVertex3f(cam->x-1.0f, cam->y-1.0f,cam->z -1.0f); |
---|
| 669 | glTexCoord2f(0.200f, 0.800f); glVertex3f(cam->x+1.0f, cam->y-1.0f,cam->z -1.0f); |
---|
| 670 | glTexCoord2f(0.200f, 0.200f); glVertex3f(cam->x+ 1.0f,cam->y -1.0f,cam->z + 1.0f); |
---|
| 671 | glTexCoord2f(0.800f, 0.200f); glVertex3f(cam->x-1.0f, cam->y-1.0f, cam->z + 1.0f); |
---|
[7353] | 672 | |
---|
| 673 | |
---|
[7395] | 674 | // Top face; offset. White, 50% opaque. |
---|
[7353] | 675 | |
---|
[7395] | 676 | glNormal3f( 0.0f, 1.0f, 0.0f); glColor4f(0.5,0.5,0.5,.5); |
---|
[7353] | 677 | |
---|
[7395] | 678 | glTexCoord2f(0.005f, 1.995f); glVertex3f(cam->x-1.0f, cam->y+ 1.0f, cam->z -1.0f); |
---|
| 679 | glTexCoord2f(0.005f, 0.005f); glVertex3f(cam->x-1.0f, cam->y+ 1.0f, cam->z +1.0f); |
---|
| 680 | glTexCoord2f(1.995f, 0.005f); glVertex3f(cam->x+ 1.0f, cam->y+1.0f, cam->z +1.0f); |
---|
| 681 | glTexCoord2f(1.995f, 1.995f); glVertex3f(cam->x+ 1.0f, cam->y+ 1.0f, cam->z -1.0f); |
---|
[7353] | 682 | |
---|
| 683 | |
---|
[7395] | 684 | // Far face. Green, 50% opaque, non-uniform texture cooridinates. |
---|
[7353] | 685 | |
---|
[7395] | 686 | glNormal3f( 0.0f, 0.0f,-1.0f); glColor4f(0.2,0.9,0.2,.5); |
---|
[7353] | 687 | |
---|
[7395] | 688 | glTexCoord2f(0.995f, 0.005f); glVertex3f(cam->x-1.0f, cam->y-1.0f, cam->z -1.3f); |
---|
| 689 | glTexCoord2f(2.995f, 2.995f); glVertex3f(cam->x-1.0f, cam->y+ 1.0f, cam->z -1.3f); |
---|
| 690 | glTexCoord2f(0.005f, 0.995f); glVertex3f(cam->x+ 1.0f,cam->y+ 1.0f, cam->z -1.3f); |
---|
| 691 | glTexCoord2f(0.005f, 0.005f); glVertex3f( cam->x+1.0f,cam->y -1.0f, cam->z -1.3f); |
---|
[7353] | 692 | |
---|
| 693 | |
---|
[7395] | 694 | // Right face. Blue; 25% opaque |
---|
[7353] | 695 | |
---|
[7395] | 696 | glNormal3f( 1.0f, 0.0f, 0.0f); glColor4f(0.2,0.2,0.9,.25); |
---|
[7353] | 697 | |
---|
[7465] | 698 | glTexCoord2f(0.995f, 0.005f); glVertex3f(cam->x+ 1.0f, cam->y -1.0f, cam->z -1.0f); |
---|
[7395] | 699 | glTexCoord2f(0.995f, 0.995f); glVertex3f(cam->x+ 1.0f, cam->y+ 1.0f, cam->z -1.0f); |
---|
| 700 | glTexCoord2f(0.005f, 0.995f); glVertex3f(cam->x+ 1.0f, cam->y+ 1.0f, cam->z + 1.0f); |
---|
| 701 | glTexCoord2f(0.005f, 0.005f); glVertex3f(cam->x+ 1.0f, cam->y-1.0f, cam->z +1.0f); |
---|
[7353] | 702 | |
---|
| 703 | |
---|
[7395] | 704 | // Front face; offset. Multi-colored, 50% opaque. |
---|
[7353] | 705 | |
---|
[7395] | 706 | glNormal3f( 0.0f, 0.0f, 1.0f); |
---|
[7353] | 707 | |
---|
[7395] | 708 | glColor4f( 0.9f, 0.2f, 0.2f, 0.5f); |
---|
| 709 | glTexCoord2f( 0.005f, 0.005f); glVertex3f(cam->x-1.0f, cam->y-1.0f, cam->z +1.0f); |
---|
| 710 | glColor4f( 0.2f, 0.9f, 0.2f, 0.5f); |
---|
| 711 | glTexCoord2f( 0.995f, 0.005f); glVertex3f(cam->x+ 1.0f, cam->y-1.0f, cam->z +1.0f); |
---|
| 712 | glColor4f( 0.2f, 0.2f, 0.9f, 0.5f); |
---|
| 713 | glTexCoord2f( 0.995f, 0.995f); glVertex3f( cam->x+1.0f, cam->y+1.0f, cam->z +1.0f); |
---|
| 714 | glColor4f( 0.1f, 0.1f, 0.1f, 0.5f); |
---|
| 715 | glTexCoord2f( 0.005f, 0.995f); glVertex3f(cam->x-1.0f, cam->y+ 1.0f, cam->z +1.0f); |
---|
| 716 | |
---|
| 717 | |
---|
| 718 | // Left Face; offset. Yellow, varying levels of opaque. |
---|
| 719 | |
---|
| 720 | glNormal3f(-1.0f, 0.0f, 0.0f); |
---|
| 721 | |
---|
| 722 | glColor4f(0.9,0.9,0.2,0.0); |
---|
| 723 | glTexCoord2f(0.005f, 0.005f); glVertex3f(cam->x-1.0f, cam->y-1.0f, cam->z -1.0f); |
---|
| 724 | glColor4f(0.9,0.9,0.2,0.66); |
---|
| 725 | glTexCoord2f(0.995f, 0.005f); glVertex3f(cam->x-1.0f,cam->y -1.0f, cam->z +1.0f); |
---|
| 726 | glColor4f(0.9,0.9,0.2,1.0); |
---|
| 727 | glTexCoord2f(0.995f, 0.995f); glVertex3f(cam->x-1.0f, cam->y+ 1.0f, cam->z +1.0f); |
---|
| 728 | glColor4f(0.9,0.9,0.2,0.33); |
---|
| 729 | glTexCoord2f(0.005f, 0.995f); glVertex3f(cam->x-1.0f, cam->y+ 1.0f, cam->z -1.0f); |
---|
| 730 | |
---|
| 731 | glEnd(); |
---|
[7385] | 732 | } |
---|
[7353] | 733 | |
---|
[7385] | 734 | void BspManager::addFace(int f) |
---|
| 735 | { |
---|
[7395] | 736 | face& curFace = ((face *)(this->bspFile->faces))[f]; |
---|
| 737 | if(this->bspFile->Materials[curFace.texture].alpha) this->trasparent.push_back(f); |
---|
| 738 | else this->opal.push_back(f); |
---|
| 739 | } |
---|