[3396] | 1 | /* |
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| 2 | orxonox - the future of 3D-vertical-scrollers |
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| 3 | |
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| 4 | Copyright (C) 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 <stdio.h> |
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| 21 | #include <string.h> |
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| 22 | #include <stdlib.h> |
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| 23 | |
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| 24 | #define PARSELINELENGTH 8192 |
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| 25 | |
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[3475] | 26 | #include "debug.h" |
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[3915] | 27 | #include "compiler.h" |
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[3427] | 28 | |
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[3396] | 29 | /** |
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| 30 | \brief Crates a 3D-Model, loads in a File and scales it. |
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| 31 | \param fileName file to parse and load (must be a .obj file) |
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| 32 | \param scaling The factor that the model will be scaled with. |
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| 33 | */ |
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[3916] | 34 | OBJModel::OBJModel(const char* fileName, float scaling) : Model(fileName) |
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[3396] | 35 | { |
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| 36 | this->initializeOBJ(); |
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| 37 | this->scaleFactor = scaling; |
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| 38 | |
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| 39 | this->importFile (fileName); |
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| 40 | |
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[3911] | 41 | this->finalize(); |
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[3396] | 42 | } |
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| 43 | |
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| 44 | /** |
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| 45 | \brief deletes an OBJModel. |
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| 46 | |
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| 47 | Looks if any from model allocated space is still in use, and if so deleted it. |
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| 48 | */ |
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| 49 | OBJModel::~OBJModel() |
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| 50 | { |
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| 51 | PRINTF(4)("Deleting the obj-names\n"); |
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| 52 | if (this->objPath) |
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| 53 | delete []this->objPath; |
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| 54 | if (this->objFileName) |
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| 55 | delete []this->objFileName; |
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| 56 | if (this->mtlFileName) |
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| 57 | delete []this->mtlFileName; |
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| 58 | } |
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| 59 | |
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| 60 | /** |
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| 61 | \brief Initializes an obj-model |
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| 62 | */ |
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| 63 | void OBJModel::initializeOBJ(void) |
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| 64 | { |
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| 65 | this->objPath = NULL; |
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| 66 | this->objFileName = NULL; |
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| 67 | this->mtlFileName = NULL; |
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| 68 | } |
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| 69 | |
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| 70 | /** |
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| 71 | \brief Imports a obj file and handles the the relative location |
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| 72 | \param fileName The file to import |
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| 73 | */ |
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[3916] | 74 | bool OBJModel::importFile (const char* fileName) |
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[3396] | 75 | { |
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[3548] | 76 | PRINTF(4)("preparing to read in file: %s\n", fileName); |
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[3396] | 77 | |
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| 78 | |
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| 79 | #ifdef __WIN32__ |
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| 80 | // win32 path reading |
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| 81 | char pathSplitter= '\\'; |
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| 82 | #else /* __WIN32__ */ |
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| 83 | // unix path reading |
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| 84 | char pathSplitter='/'; |
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| 85 | #endif /* __WIN32__ */ |
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[3916] | 86 | char* tmpName; |
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| 87 | strcpy(tmpName, fileName); |
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[3396] | 88 | if (tmpName[0] == pathSplitter) |
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| 89 | tmpName++; |
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| 90 | char* name = tmpName; |
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| 91 | while (( tmpName = strchr (tmpName+1, pathSplitter))) |
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| 92 | { |
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| 93 | name = tmpName+1; |
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| 94 | } |
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| 95 | this->objPath = new char[name-fileName+1]; |
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| 96 | strncpy(this->objPath, fileName, name-fileName); |
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| 97 | this->objPath[name-fileName] = '\0'; |
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[3548] | 98 | if (strlen(objPath)> 0) |
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| 99 | PRINTF(5)("Resolved file %s to folder: %s.\n", name, objPath); |
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| 100 | else |
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| 101 | PRINTF(5)("Resolved file %s.\n", name); |
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[3396] | 102 | |
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[3398] | 103 | this->setName(name); |
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[3915] | 104 | |
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[3396] | 105 | this->objFileName = new char[strlen(name)+1]; |
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| 106 | strcpy (this->objFileName, name); |
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| 107 | this->readFromObjFile (); |
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| 108 | return true; |
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| 109 | } |
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| 110 | |
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| 111 | /** |
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| 112 | \brief Reads in the .obj File and sets all the Values. |
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| 113 | 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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| 114 | */ |
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| 115 | bool OBJModel::readFromObjFile (void) |
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| 116 | { |
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| 117 | char* fileName = new char [strlen(objPath)+strlen(objFileName)+1]; |
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| 118 | if (this->objFileName != NULL && !strcmp(this->objFileName, "")) |
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| 119 | return false; |
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| 120 | strcpy(fileName, this->objPath); |
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| 121 | strcat(fileName, this->objFileName); |
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| 122 | |
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[3908] | 123 | FILE* stream; |
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| 124 | if( (stream = fopen (fileName, "r")) == NULL) |
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[3396] | 125 | { |
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[3908] | 126 | printf("IniParser could not open %s\n", fileName); |
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[3396] | 127 | return false; |
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| 128 | } |
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| 129 | |
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[3908] | 130 | char buffer[PARSELINELENGTH]; |
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[3910] | 131 | while(fgets(buffer, PARSELINELENGTH, stream)) |
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| 132 | { |
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| 133 | // line termiated with \0 not \n |
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| 134 | if (buffer[strlen(buffer)-1] == '\n') |
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| 135 | buffer[strlen(buffer)-1] = '\0'; |
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| 136 | |
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[3396] | 137 | // case vertice |
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[3908] | 138 | if (!strncmp(buffer, "v ", 2)) |
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[3396] | 139 | { |
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[3908] | 140 | this->addVertex(buffer+2); |
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[3396] | 141 | } |
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| 142 | |
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| 143 | // case face |
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[3908] | 144 | else if (!strncmp(buffer, "f ", 2)) |
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[3396] | 145 | { |
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[3908] | 146 | this->addFace (buffer+2); |
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[3396] | 147 | } |
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| 148 | |
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[3908] | 149 | else if (!strncmp(buffer, "mtllib ", 7)) |
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[3396] | 150 | { |
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[3908] | 151 | this->readMtlLib (buffer+7); |
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[3396] | 152 | } |
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| 153 | |
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[3908] | 154 | else if (!strncmp(buffer, "usemtl ", 7)) |
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[3396] | 155 | { |
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[3913] | 156 | this->setMaterial (buffer+7); |
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[3396] | 157 | } |
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| 158 | |
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| 159 | // case VertexNormal |
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[3908] | 160 | else if (!strncmp(buffer, "vn ", 3)) |
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[3396] | 161 | { |
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[3908] | 162 | this->addVertexNormal(buffer+3); |
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[3396] | 163 | } |
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| 164 | |
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| 165 | // case VertexTextureCoordinate |
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[3908] | 166 | else if (!strncmp(buffer, "vt ", 3)) |
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[3396] | 167 | { |
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[3908] | 168 | this->addVertexTexture(buffer+3); |
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[3396] | 169 | } |
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| 170 | // case group |
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[3908] | 171 | else if (!strncmp(buffer, "g ", 2)) |
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[3396] | 172 | { |
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[3908] | 173 | this->addGroup (buffer+2); |
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[3396] | 174 | } |
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[3908] | 175 | else if (!strncmp(buffer, "s ", 2)) //! \todo smoothing groups have to be implemented |
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[3396] | 176 | { |
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[3908] | 177 | PRINTF(2)("smoothing groups not supportet yet. line: %s\n", buffer); |
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[3396] | 178 | } |
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| 179 | } |
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[3908] | 180 | fclose (stream); |
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[3396] | 181 | delete []fileName; |
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| 182 | return true; |
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| 183 | } |
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| 184 | |
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| 185 | /** |
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| 186 | \brief Function to read in a mtl File. |
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| 187 | \param mtlFile The .mtl file to read |
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| 188 | |
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| 189 | This Function parses all Lines of an mtl File. |
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| 190 | The reason for it not to be in the materials-class is, |
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| 191 | that a material does not have to be able to read itself in from a File. |
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| 192 | |
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| 193 | */ |
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[3916] | 194 | bool OBJModel::readMtlLib (const char* mtlFile) |
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[3396] | 195 | { |
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| 196 | this->mtlFileName = new char [strlen(mtlFile)+1]; |
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| 197 | strcpy(this->mtlFileName, mtlFile); |
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| 198 | char* fileName = new char [strlen(objPath) + strlen(this->mtlFileName)+1]; |
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| 199 | strcpy(fileName, this->objPath); |
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| 200 | strcat(fileName, this->mtlFileName); |
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| 201 | |
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| 202 | |
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[3909] | 203 | FILE* stream; |
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| 204 | if( (stream = fopen (fileName, "r")) == NULL) |
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[3396] | 205 | { |
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[3909] | 206 | printf("IniParser could not open %s\n", fileName); |
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[3396] | 207 | return false; |
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| 208 | } |
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[3909] | 209 | |
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| 210 | char buffer[PARSELINELENGTH]; |
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[3915] | 211 | Material* tmpMat = NULL; |
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[3911] | 212 | |
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[3910] | 213 | while(fgets(buffer, PARSELINELENGTH, stream)) |
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[3396] | 214 | { |
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[3908] | 215 | PRINTF(5)("found line in mtlFile: %s\n", buffer); |
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[3396] | 216 | |
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[3910] | 217 | // line termiated with \0 not \n |
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| 218 | if (buffer[strlen(buffer)-1] == '\n') |
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| 219 | buffer[strlen(buffer)-1] = '\0'; |
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| 220 | |
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[3396] | 221 | // create new Material |
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[3908] | 222 | if (!strncmp(buffer, "newmtl ", 7)) |
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[3396] | 223 | { |
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[3914] | 224 | tmpMat = this->addMaterial(buffer+7);//tmpMat->addMaterial(buffer+7); |
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[3396] | 225 | } |
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| 226 | // setting a illumMode |
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[3908] | 227 | else if (!strncmp(buffer, "illum ", 6)) |
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[3396] | 228 | { |
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[3915] | 229 | if (likely(tmpMat != NULL)) |
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| 230 | tmpMat->setIllum(buffer+6); |
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[3396] | 231 | |
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| 232 | } |
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| 233 | // setting Diffuse Color |
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[3908] | 234 | else if (!strncmp(buffer, "Kd ", 3)) |
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[3396] | 235 | { |
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[3915] | 236 | if (likely(tmpMat != NULL)) |
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| 237 | tmpMat->setDiffuse(buffer+3); |
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[3396] | 238 | } |
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| 239 | // setting Ambient Color |
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[3908] | 240 | else if (!strncmp(buffer, "Ka ", 3)) |
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[3396] | 241 | { |
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[3915] | 242 | if (likely(tmpMat != NULL)) |
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| 243 | tmpMat->setAmbient(buffer+3); |
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[3396] | 244 | } |
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| 245 | // setting Specular Color |
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[3908] | 246 | else if (!strncmp(buffer, "Ks ", 3)) |
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[3396] | 247 | { |
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[3915] | 248 | if (likely(tmpMat != NULL)) |
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| 249 | tmpMat->setSpecular(buffer+3); |
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[3396] | 250 | } |
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| 251 | // setting The Specular Shininess |
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[3908] | 252 | else if (!strncmp(buffer, "Ns ", 3)) |
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[3396] | 253 | { |
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[3915] | 254 | if (likely(tmpMat != NULL)) |
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| 255 | tmpMat->setShininess(buffer+3); |
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[3396] | 256 | } |
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| 257 | // setting up transparency |
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[3908] | 258 | else if (!strncmp(buffer, "d ", 2)) |
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[3396] | 259 | { |
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[3915] | 260 | if (likely(tmpMat != NULL)) |
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| 261 | tmpMat->setTransparency(buffer+2); |
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[3396] | 262 | } |
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[3908] | 263 | else if (!strncmp(buffer, "Tf ", 3)) |
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[3396] | 264 | { |
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[3915] | 265 | if (likely(tmpMat != NULL)) |
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| 266 | tmpMat->setTransparency(buffer+3); |
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[3396] | 267 | } |
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| 268 | |
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[3908] | 269 | else if (!strncmp(buffer, "map_Kd ", 7)) |
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[3396] | 270 | { |
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[3915] | 271 | if (likely(tmpMat != NULL)) |
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| 272 | tmpMat->setDiffuseMap(buffer+7); |
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[3396] | 273 | } |
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[3908] | 274 | else if (!strncmp(buffer, "map_Ka ", 7)) |
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[3396] | 275 | { |
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[3915] | 276 | if (likely(tmpMat != NULL)) |
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| 277 | tmpMat->setAmbientMap(buffer+7); |
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[3396] | 278 | } |
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[3908] | 279 | else if (!strncmp(buffer, "map_Ks ", 7)) |
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[3396] | 280 | { |
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[3915] | 281 | if (likely(tmpMat != NULL)) |
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| 282 | tmpMat->setSpecularMap(buffer+7); |
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[3396] | 283 | } |
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[3908] | 284 | else if (!strncmp(buffer, "bump ", 5)) |
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[3396] | 285 | { |
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[3915] | 286 | if (likely(tmpMat != NULL)) |
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| 287 | tmpMat->setBump(buffer+7); |
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[3396] | 288 | } |
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| 289 | |
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| 290 | |
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| 291 | } |
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[3909] | 292 | fclose(stream); |
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[3396] | 293 | delete []fileName; |
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| 294 | return true; |
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| 295 | } |
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