[852] | 1 | #include "object.h"
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| 2 | #include <GL/glext.h>
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| 3 | #include <glh/glh_extensions.h>
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| 4 |
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| 5 |
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| 6 | Object::Object()
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| 7 | {
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| 8 |
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| 9 | }
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| 10 |
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| 11 | Object::~Object()
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| 12 | {
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| 13 |
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| 14 | }
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| 15 |
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| 16 | void Object::Load(ifstream *file)
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| 17 | {
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| 18 | fprintf(stderr, "Loading Object: \n");
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| 19 |
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| 20 | char* tempchar=new char[500];
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| 21 | file->getline(tempchar,500,'\n');
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| 22 | sscanf(tempchar,"translate: %lf %lf %lf",&Translate.x,&Translate.y,&Translate.z);
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| 23 |
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| 24 | file->getline(tempchar,500,'\n');
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| 25 | sscanf(tempchar,"rotate: %lf %lf %lf",&Rotate.x,&Rotate.y,&Rotate.z);
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| 26 |
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| 27 | file->getline(tempchar,500,'\n');
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| 28 | sscanf(tempchar,"scale: %lf %lf %lf",&Scale.x,&Scale.y,&Scale.z);
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| 29 |
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| 30 | file->getline(tempchar,500,'\n');
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| 31 | sscanf(tempchar,"Vertexcount %ui",&vertexcount);
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| 32 |
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| 33 | Vertices=new float[vertexcount*3];
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| 34 | fprintf(stderr, "vertexcount: %i ",vertexcount);
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| 35 | for(unsigned int i=0;i<vertexcount;i++)
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| 36 | {
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| 37 | //unsigned int v;
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| 38 | file->getline(tempchar,500,'\n');
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| 39 | //sscanf(tempchar,"vertex %ui %lf %lf %lf",&v);
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| 40 | file->getline(tempchar,500,'\n');
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| 41 | sscanf(tempchar,"%f %f %f",&Vertices[3*i],&Vertices[3*i+1],&Vertices[3*i+2]);
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| 42 |
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| 43 | }
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| 44 |
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| 45 | file->getline(tempchar,500,'\n');
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| 46 | sscanf(tempchar,"Facecount %ui",&facecount);
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| 47 |
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| 48 | fprintf(stderr, "Facecount: %i\n",facecount);
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| 49 |
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| 50 | Normals=new float[9*facecount];
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| 51 | Indexes=new unsigned int[3*facecount];
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| 52 | TexCoords=new float[6*facecount];
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| 53 | AllVertices=new float[9*facecount];
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| 54 |
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| 55 | unsigned int f;
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| 56 |
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| 57 | for(int i=0;i<facecount;i++)
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| 58 | {
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| 59 | file->getline(tempchar,500,':');
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| 60 | //eatwhitespace??
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| 61 | bool more=true;
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| 62 | while (more)
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| 63 | {
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| 64 | file->getline(tempchar,500,' ');
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| 65 | if(tempchar[0]!=0)
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| 66 | more=false;
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| 67 | }
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| 68 | sscanf(tempchar,"%ui",&Indexes[3*i]);
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| 69 | more=true;
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| 70 | while (more)
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| 71 | {
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| 72 | file->getline(tempchar,500,' ');
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| 73 | if(tempchar[0]!=0)
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| 74 | more=false;
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| 75 | }
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| 76 | sscanf(tempchar,"%ui",&Indexes[3*i+1]);
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| 77 | more=true;
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| 78 | while (more)
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| 79 | {
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| 80 | file->getline(tempchar,500,' ');
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| 81 | if(tempchar[0]!=0)
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| 82 | more=false;
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| 83 | }
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| 84 | sscanf(tempchar,"%ui",&Indexes[3*i+2]);
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| 85 |
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| 86 | file->getline(tempchar,500,'\n');
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| 87 | file->getline(tempchar,500,'\n');//uvs
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| 88 | file->getline(tempchar,500,'\n');//normals
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| 89 |
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| 90 | file->getline(tempchar,500,'\n');
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| 91 | sscanf(tempchar,"%f %f",&TexCoords[6*i],&TexCoords[6*i+1]);
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| 92 | file->getline(tempchar,500,'\n');
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| 93 | sscanf(tempchar,"%f %f",&TexCoords[6*i+2],&TexCoords[6*i+3]);
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| 94 | file->getline(tempchar,500,'\n');
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| 95 | sscanf(tempchar,"%f %f",&TexCoords[6*i+4],&TexCoords[6*i+5]);
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| 96 |
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| 97 | file->getline(tempchar,500,'\n');
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| 98 | sscanf(tempchar,"%f %f %f",&Normals[9*i],&Normals[9*i+1],&Normals[9*i+2]);
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| 99 | file->getline(tempchar,500,'\n');
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| 100 | sscanf(tempchar,"%f %f %f",&Normals[9*i+3],&Normals[9*i+4],&Normals[9*i+5]);
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| 101 | file->getline(tempchar,500,'\n');
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| 102 | sscanf(tempchar,"%f %f %f",&Normals[9*i+6],&Normals[9*i+7],&Normals[9*i+8]);
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| 103 | }
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| 104 | fprintf(stderr, "Building vertex buffer...\n");
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| 105 |
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| 106 | for(int i=0;i<facecount;i++)
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| 107 | {
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| 108 | unsigned int index1=Indexes[i*3];
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| 109 | unsigned int index2=Indexes[i*3+1];
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| 110 | unsigned int index3=Indexes[i*3+2];
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| 111 |
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| 112 | AllVertices[i*9]=Vertices[3*index1];
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| 113 | AllVertices[i*9+1]=Vertices[3*index1+1];
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| 114 | AllVertices[i*9+2]=Vertices[3*index1+2];
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| 115 | AllVertices[i*9+3]=Vertices[3*index2];
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| 116 | AllVertices[i*9+4]=Vertices[3*index2+1];
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| 117 | AllVertices[i*9+5]=Vertices[3*index2+2];
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| 118 | AllVertices[i*9+6]=Vertices[3*index3];
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| 119 | AllVertices[i*9+7]=Vertices[3*index3+1];
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| 120 | AllVertices[i*9+8]=Vertices[3*index3+2];
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| 121 | }
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| 122 | delete []Vertices;
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| 123 | /*
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| 124 | glGenBuffersARB( 1, &VertexbufferID );
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| 125 | glBindBufferARB( GL_ARRAY_BUFFER_ARB, VertexbufferID );
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| 126 | glBufferDataARB( GL_ARRAY_BUFFER_ARB, vertexcount*sizeof(float), Vertices, GL_STATIC_DRAW_ARB );
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| 127 |
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| 128 | glGenBuffersARB( 1, &IndexBufferID );
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| 129 | glBindBufferARB( GL_ARRAY_BUFFER_ARB, IndexBufferID );
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| 130 | glBufferDataARB( GL_ARRAY_BUFFER_ARB, facecount*3*sizeof(float), Indexes, GL_STATIC_DRAW_ARB );
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| 131 |
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| 132 | glGenBuffersARB( 1, &NormalBufferID );
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| 133 | glBindBufferARB( GL_ARRAY_BUFFER_ARB, NormalBufferID );
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| 134 | glBufferDataARB( GL_ARRAY_BUFFER_ARB, facecount*9*sizeof(float), Normals, GL_STATIC_DRAW_ARB );
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| 135 |
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| 136 | glGenBuffersARB( 1, &TexCoordBufferID );
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| 137 | glBindBufferARB( GL_ARRAY_BUFFER_ARB, TexCoordBufferID );
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| 138 | glBufferDataARB( GL_ARRAY_BUFFER_ARB, facecount*6*sizeof(float), TexCoords, GL_STATIC_DRAW_ARB );
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| 139 | */
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| 140 | }
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| 141 |
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| 142 | void Object::Rendermodel()
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| 143 | {
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| 144 | //glShadeModel(GL_FLAT);
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| 145 | glEnableClientState(GL_VERTEX_ARRAY);
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| 146 | glEnableClientState(GL_NORMAL_ARRAY);
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| 147 | glEnableClientState(GL_TEXTURE_COORD_ARRAY);
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| 148 |
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| 149 | glVertexPointer (3, GL_FLOAT, 0, AllVertices);
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| 150 | glNormalPointer(GL_FLOAT,0,Normals);
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| 151 | glTexCoordPointer(2, GL_FLOAT, 0, TexCoords);
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| 152 |
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| 153 | glDrawArrays(GL_TRIANGLES,0, 3*facecount);
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| 154 |
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| 155 | glDisableClientState( GL_VERTEX_ARRAY );
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| 156 | glDisableClientState( GL_NORMAL_ARRAY );
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| 157 | glDisableClientState(GL_TEXTURE_COORD_ARRAY);
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| 158 |
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| 159 | //glutSolidTeapot(1.5);
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| 160 | } |
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