[5014] | 1 | /* |
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[3396] | 2 | orxonox - the future of 3D-vertical-scrollers |
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| 3 | |
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| 4 | Copyright (C) 2004 orx |
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| 5 | |
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| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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| 10 | |
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| 11 | ### File Specific: |
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| 12 | main-programmer: Benjamin Grauer |
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| 13 | co-programmer: ... |
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| 14 | */ |
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| 15 | |
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[3590] | 16 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_IMPORTER |
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| 17 | |
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[3396] | 18 | #include "objModel.h" |
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| 19 | |
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[3908] | 20 | #include <string.h> |
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| 21 | |
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| 22 | #define PARSELINELENGTH 8192 |
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| 23 | |
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[3475] | 24 | #include "debug.h" |
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[3915] | 25 | #include "compiler.h" |
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[3427] | 26 | |
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[9715] | 27 | ObjectListDefinition(OBJModel); |
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[3396] | 28 | /** |
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[8369] | 29 | * @brief Crates a 3D-Model, loads in a File and scales it. |
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[4836] | 30 | * @param fileName file to parse and load (must be a .obj file) |
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| 31 | * @param scaling The factor that the model will be scaled with. |
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[3396] | 32 | */ |
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[7221] | 33 | OBJModel::OBJModel(const std::string& fileName, float scaling) |
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| 34 | : StaticModel(fileName) |
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[3396] | 35 | { |
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[9684] | 36 | this->registerObject(this, OBJModel::_objectList); |
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[6162] | 37 | |
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[4117] | 38 | this->objPath = "./"; |
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| 39 | |
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[9830] | 40 | this->setScaleFactor(scaling); |
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[3396] | 41 | |
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| 42 | this->importFile (fileName); |
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| 43 | |
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[3911] | 44 | this->finalize(); |
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[3396] | 45 | } |
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| 46 | |
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| 47 | /** |
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[8369] | 48 | * @brief deletes an OBJModel. |
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| 49 | */ |
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[3396] | 50 | OBJModel::~OBJModel() |
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[7221] | 51 | { } |
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[3396] | 52 | |
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| 53 | /** |
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[4836] | 54 | * Imports a obj file and handles the the relative location |
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| 55 | * @param fileName The file to import |
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[4117] | 56 | |
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| 57 | Splits the FileName from the DirectoryName |
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[3396] | 58 | */ |
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[7221] | 59 | bool OBJModel::importFile (const std::string& fileNameInput) |
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[3396] | 60 | { |
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[7221] | 61 | const char* fileName = fileNameInput.c_str(); |
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[3548] | 62 | PRINTF(4)("preparing to read in file: %s\n", fileName); |
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[5014] | 63 | // splitting the |
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[4117] | 64 | char* split = NULL; |
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[3396] | 65 | |
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[4117] | 66 | if (!(split = strrchr(fileName, '/'))) |
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| 67 | split = strrchr(fileName, '\\'); // windows Case |
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| 68 | if (split) |
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[3396] | 69 | { |
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[4117] | 70 | int len = split - fileName+1; |
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[7221] | 71 | this->objPath = fileName; |
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| 72 | this->objPath.erase(len, this->objPath.size()); |
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[4118] | 73 | this->objPath[len] = '\0'; |
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[7677] | 74 | PRINTF(4)("Resolved file %s to Path %s.\n", fileName, this->objPath.c_str()); |
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[3396] | 75 | } |
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[4371] | 76 | else |
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| 77 | this->objPath = "./"; |
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| 78 | Material::addTexturePath(this->objPath); |
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| 79 | |
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[4117] | 80 | this->readFromObjFile (fileName); |
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[3396] | 81 | return true; |
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| 82 | } |
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| 83 | |
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| 84 | /** |
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[8369] | 85 | * @brief Reads in the .obj File and sets all the Values. |
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| 86 | * @param fileName the FileName of the Model. |
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| 87 | * |
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| 88 | * This function does read the file, parses it for the occurence of things like vertices, faces and so on, and executes the specific tasks |
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| 89 | */ |
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[7221] | 90 | bool OBJModel::readFromObjFile(const std::string& fileName) |
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[3396] | 91 | { |
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[3908] | 92 | FILE* stream; |
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[7221] | 93 | if( (stream = fopen (fileName.c_str(), "r")) == NULL) |
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[3396] | 94 | { |
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[7221] | 95 | PRINTF(2)("Object File Could not be Opened %s\n", fileName.c_str()); |
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[3396] | 96 | return false; |
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| 97 | } |
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| 98 | |
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[3908] | 99 | char buffer[PARSELINELENGTH]; |
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[3910] | 100 | while(fgets(buffer, PARSELINELENGTH, stream)) |
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| 101 | { |
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| 102 | // line termiated with \0 not \n |
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| 103 | if (buffer[strlen(buffer)-1] == '\n') |
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[5014] | 104 | buffer[strlen(buffer)-1] = '\0'; |
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[3910] | 105 | |
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[3396] | 106 | // case vertice |
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[3908] | 107 | if (!strncmp(buffer, "v ", 2)) |
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[5014] | 108 | { |
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| 109 | this->addVertex(buffer+2); |
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| 110 | } |
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[3396] | 111 | |
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| 112 | // case face |
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[3908] | 113 | else if (!strncmp(buffer, "f ", 2)) |
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[5014] | 114 | { |
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| 115 | this->addFace (buffer+2); |
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| 116 | } |
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| 117 | |
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[3908] | 118 | else if (!strncmp(buffer, "mtllib ", 7)) |
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[5014] | 119 | { |
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| 120 | this->readMtlLib (buffer+7); |
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| 121 | } |
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[3396] | 122 | |
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[3908] | 123 | else if (!strncmp(buffer, "usemtl ", 7)) |
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[5014] | 124 | { |
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| 125 | this->setMaterial (buffer+7); |
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| 126 | } |
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[3396] | 127 | |
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| 128 | // case VertexNormal |
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[3908] | 129 | else if (!strncmp(buffer, "vn ", 3)) |
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[5014] | 130 | { |
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| 131 | this->addVertexNormal(buffer+3); |
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| 132 | } |
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| 133 | |
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[3396] | 134 | // case VertexTextureCoordinate |
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[3908] | 135 | else if (!strncmp(buffer, "vt ", 3)) |
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[5014] | 136 | { |
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| 137 | this->addVertexTexture(buffer+3); |
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| 138 | } |
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[3396] | 139 | // case group |
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[3908] | 140 | else if (!strncmp(buffer, "g ", 2)) |
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[5014] | 141 | { |
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| 142 | this->addGroup (buffer+2); |
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| 143 | } |
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[4836] | 144 | else if (!strncmp(buffer, "s ", 2)) //! @todo smoothing groups have to be implemented |
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[5014] | 145 | { |
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[5300] | 146 | PRINTF(3)("smoothing groups not supportet yet. line: %s\n", buffer); |
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[5014] | 147 | } |
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[3396] | 148 | } |
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[3908] | 149 | fclose (stream); |
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[3396] | 150 | return true; |
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| 151 | } |
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| 152 | |
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[5014] | 153 | /** |
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[8369] | 154 | * @brief Function to read in a mtl File. |
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[5300] | 155 | * @param mtlFile The .mtl file to read |
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| 156 | * |
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| 157 | * This Function parses all Lines of an mtl File. |
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| 158 | * The reason for it not to be in the materials-class is, |
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| 159 | * that a material does not have to be able to read itself in from a File. |
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| 160 | */ |
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[7221] | 161 | bool OBJModel::readMtlLib (const std::string& mtlFile) |
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[3396] | 162 | { |
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[7221] | 163 | std::string fileName = this->objPath + mtlFile; |
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[3396] | 164 | |
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[3909] | 165 | FILE* stream; |
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[7221] | 166 | if( (stream = fopen (fileName.c_str(), "r")) == NULL) |
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[3396] | 167 | { |
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[7221] | 168 | PRINTF(2)("MaterialLibrary could not be opened %s\n", fileName.c_str()); |
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[3396] | 169 | return false; |
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| 170 | } |
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[3909] | 171 | |
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| 172 | char buffer[PARSELINELENGTH]; |
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[3915] | 173 | Material* tmpMat = NULL; |
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[3911] | 174 | |
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[5319] | 175 | while(fgets(buffer, PARSELINELENGTH, stream) != NULL) |
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[3396] | 176 | { |
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[3908] | 177 | PRINTF(5)("found line in mtlFile: %s\n", buffer); |
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[3396] | 178 | |
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[3910] | 179 | // line termiated with \0 not \n |
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| 180 | if (buffer[strlen(buffer)-1] == '\n') |
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[5014] | 181 | buffer[strlen(buffer)-1] = '\0'; |
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[3910] | 182 | |
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[3396] | 183 | // create new Material |
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[3908] | 184 | if (!strncmp(buffer, "newmtl ", 7)) |
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[5014] | 185 | { |
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| 186 | tmpMat = this->addMaterial(buffer+7);//tmpMat->addMaterial(buffer+7); |
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| 187 | } |
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[3396] | 188 | // setting a illumMode |
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[3908] | 189 | else if (!strncmp(buffer, "illum ", 6)) |
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[5014] | 190 | { |
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| 191 | if (likely(tmpMat != NULL)) |
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[8369] | 192 | setIllum(tmpMat, buffer+6); |
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[3396] | 193 | |
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[5014] | 194 | } |
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[3396] | 195 | // setting Diffuse Color |
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[3908] | 196 | else if (!strncmp(buffer, "Kd ", 3)) |
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[5014] | 197 | { |
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| 198 | if (likely(tmpMat != NULL)) |
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[8369] | 199 | setDiffuse(tmpMat, buffer+3); |
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[5014] | 200 | } |
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[3396] | 201 | // setting Ambient Color |
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[3908] | 202 | else if (!strncmp(buffer, "Ka ", 3)) |
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[5014] | 203 | { |
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| 204 | if (likely(tmpMat != NULL)) |
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[8369] | 205 | setAmbient(tmpMat, buffer+3); |
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[5014] | 206 | } |
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[3396] | 207 | // setting Specular Color |
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[3908] | 208 | else if (!strncmp(buffer, "Ks ", 3)) |
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[5014] | 209 | { |
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| 210 | if (likely(tmpMat != NULL)) |
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[8369] | 211 | setSpecular(tmpMat, buffer+3); |
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[5014] | 212 | } |
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[3396] | 213 | // setting The Specular Shininess |
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[3908] | 214 | else if (!strncmp(buffer, "Ns ", 3)) |
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[5014] | 215 | { |
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| 216 | if (likely(tmpMat != NULL)) |
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[8369] | 217 | setShininess(tmpMat, buffer+3); |
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[5014] | 218 | } |
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[3396] | 219 | // setting up transparency |
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[3908] | 220 | else if (!strncmp(buffer, "d ", 2)) |
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[5014] | 221 | { |
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| 222 | if (likely(tmpMat != NULL)) |
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[8369] | 223 | setTransparency(tmpMat, buffer+2); |
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[5014] | 224 | } |
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[3908] | 225 | else if (!strncmp(buffer, "Tf ", 3)) |
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[5014] | 226 | { |
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| 227 | if (likely(tmpMat != NULL)) |
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[8369] | 228 | setTransparency(tmpMat, buffer+3); |
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[5014] | 229 | } |
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| 230 | |
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[3908] | 231 | else if (!strncmp(buffer, "map_Kd ", 7)) |
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[5014] | 232 | { |
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| 233 | if (likely(tmpMat != NULL)) |
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| 234 | tmpMat->setDiffuseMap(buffer+7); |
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| 235 | } |
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[3908] | 236 | else if (!strncmp(buffer, "map_Ka ", 7)) |
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[5014] | 237 | { |
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| 238 | if (likely(tmpMat != NULL)) |
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| 239 | tmpMat->setAmbientMap(buffer+7); |
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| 240 | } |
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[3908] | 241 | else if (!strncmp(buffer, "map_Ks ", 7)) |
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[5014] | 242 | { |
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| 243 | if (likely(tmpMat != NULL)) |
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| 244 | tmpMat->setSpecularMap(buffer+7); |
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| 245 | } |
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[3908] | 246 | else if (!strncmp(buffer, "bump ", 5)) |
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[5014] | 247 | { |
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| 248 | if (likely(tmpMat != NULL)) |
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| 249 | tmpMat->setBump(buffer+7); |
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| 250 | } |
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[3396] | 251 | |
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[5014] | 252 | |
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[3396] | 253 | } |
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[3909] | 254 | fclose(stream); |
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[3396] | 255 | return true; |
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| 256 | } |
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[8369] | 257 | |
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| 258 | |
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| 259 | /** |
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| 260 | * @brief Sets the Material Illumination Model. |
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| 261 | * @param material: the Material to apply the change to. |
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| 262 | * @param illu: illumination Model in char* form |
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| 263 | */ |
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| 264 | void OBJModel::setIllum (Material* material, const char* illum) |
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| 265 | { |
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| 266 | material->setIllum (atoi(illum)); |
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| 267 | } |
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| 268 | |
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| 269 | /** |
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| 270 | * @brief Sets the Material Diffuse Color. |
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| 271 | * @param material: the Material to apply the change to. |
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| 272 | * @param rgb The red, green, blue channel in char format (with spaces between them) |
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| 273 | */ |
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| 274 | void OBJModel::setDiffuse (Material* material, const char* rgb) |
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| 275 | { |
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| 276 | float r,g,b; |
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| 277 | sscanf (rgb, "%f %f %f", &r, &g, &b); |
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| 278 | material->setDiffuse (r, g, b); |
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| 279 | } |
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| 280 | |
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| 281 | /** |
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| 282 | * @brief Sets the Material Ambient Color. |
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| 283 | * @param material: the Material to apply the change to. |
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| 284 | * @param rgb The red, green, blue channel in char format (with spaces between them) |
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| 285 | */ |
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| 286 | void OBJModel::setAmbient (Material* material, const char* rgb) |
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| 287 | { |
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| 288 | float r,g,b; |
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| 289 | sscanf (rgb, "%f %f %f", &r, &g, &b); |
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| 290 | material->setAmbient (r, g, b); |
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| 291 | } |
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| 292 | |
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| 293 | /** |
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| 294 | * @brief Sets the Material Specular Color. |
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| 295 | * @param material: the Material to apply the change to. |
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| 296 | * @param rgb The red, green, blue channel in char format (with spaces between them) |
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| 297 | */ |
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| 298 | void OBJModel::setSpecular (Material* material, const char* rgb) |
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| 299 | { |
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| 300 | float r,g,b; |
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| 301 | sscanf (rgb, "%f %f %f", &r, &g, &b); |
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| 302 | material->setSpecular (r, g, b); |
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| 303 | } |
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| 304 | |
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| 305 | /** |
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| 306 | * @brief Sets the Material Shininess. |
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| 307 | * @param material: the Material to apply the change to. |
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| 308 | * @param shini stes the Shininess from char*. |
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| 309 | */ |
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| 310 | void OBJModel::setShininess (Material* material, const char* shini) |
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| 311 | { |
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| 312 | material->setShininess (atof(shini)); |
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| 313 | } |
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| 314 | |
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| 315 | /** |
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| 316 | * @brief Sets the Material Transparency. |
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| 317 | * @param material: the Material to apply the change to. |
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| 318 | * @param trans stes the Transparency from char*. |
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| 319 | */ |
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| 320 | void OBJModel::setTransparency (Material* material, const char* trans) |
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| 321 | { |
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| 322 | material->setTransparency (atof(trans)); |
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| 323 | } |
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