00001 #include <AR/arvrml.h>
00002 #include "arViewer_openvrml-0.14.3.h"
00003 #include <iostream>
00004 #include <vector>
00005 #include <string>
00006 #ifdef __APPLE__
00007 # include <GLUT/glut.h>
00008 #else
00009 # include <GL/glut.h>
00010 #endif
00011 #include <stdio.h>
00012 #include <string.h>
00013
00014 #define AR_VRML_MAX 100
00015
00016 static arVrmlViewer *viewer[AR_VRML_MAX];
00017 static int init = 1;
00018 static int vrID = -1;
00019
00020 static char *get_buff( char *buf, int n, FILE *fp );
00021
00022
00023 int arVrmlLoadFile(const char *file)
00024 {
00025
00026 FILE *fp;
00027 openvrml::browser * myBrowser = 0;
00028 char buf[256], buf1[256];
00029 char buf2[256];
00030 int id;
00031 int i;
00032
00033 if( init ) {
00034 for( i = 0; i < AR_VRML_MAX; i++ ) viewer[i] = NULL;
00035 init = 0;
00036 }
00037 for( i = 0; i < AR_VRML_MAX; i++ ) {
00038 if( viewer[i] == NULL ) break;
00039 }
00040 if( i == AR_VRML_MAX ) return -1;
00041 id = i;
00042
00043
00044 if( (fp=fopen(file, "r")) == NULL ) return -1;
00045
00046 get_buff(buf, 256, fp);
00047 if( sscanf(buf, "%s", buf1) != 1 ) {fclose(fp); return -1;}
00048 for( i = 0; file[i] != '\0'; i++ ) buf2[i] = file[i];
00049 for( ; i >= 0; i-- ) {
00050 if( buf2[i] == '/' ) break;
00051 }
00052 buf2[i+1] = '\0';
00053 sprintf(buf, "%s%s", buf2, buf1);
00054
00055 myBrowser = new openvrml::browser(std::cout, std::cerr);
00056 if( !myBrowser) {fclose(fp); return -1;}
00057
00058 std::vector<std::string> uri(1, buf);
00059 std::vector<std::string> parameter;
00060 myBrowser->load_url(uri, parameter);
00061
00062 viewer[id] = new arVrmlViewer(*myBrowser);
00063 if(!viewer[id])
00064 {
00065 delete myBrowser;
00066 fclose(fp);
00067 return -1;
00068 }
00069 strcpy( viewer[id]->filename, buf );
00070
00071 get_buff(buf, 256, fp);
00072 if( sscanf(buf, "%lf %lf %lf", &viewer[id]->translation[0],
00073 &viewer[id]->translation[1], &viewer[id]->translation[2]) != 3 ) {
00074 delete viewer[id];
00075 viewer[id] = NULL;
00076 fclose(fp);
00077 return -1;
00078 }
00079
00080 get_buff(buf, 256, fp);
00081 if( sscanf(buf, "%lf %lf %lf %lf", &viewer[id]->rotation[0],
00082 &viewer[id]->rotation[1], &viewer[id]->rotation[2], &viewer[id]->rotation[3]) != 4 ) {
00083 delete viewer[id];
00084 viewer[id] = NULL;
00085 fclose(fp);
00086 return -1;
00087 }
00088
00089 get_buff(buf, 256, fp);
00090 if( sscanf(buf, "%lf %lf %lf", &viewer[id]->scale[0], &viewer[id]->scale[1],
00091 &viewer[id]->scale[2]) != 3 ) {
00092 delete viewer[id];
00093 viewer[id] = NULL;
00094 fclose(fp);
00095 return -1;
00096 }
00097 fclose(fp);
00098
00099 return id;
00100 }
00101
00102 int arVrmlFree( int id )
00103 {
00104 if( viewer[id] == NULL ) return -1;
00105
00106 delete viewer[id];
00107 viewer[id] = NULL;
00108
00109 if( vrID == id ) {
00110 vrID = -1;
00111 }
00112
00113 return 0;
00114 }
00115
00116 int arVrmlTimerUpdate()
00117 {
00118 int i;
00119
00120 for( i = 0; i < AR_VRML_MAX; i++ ) {
00121 if( viewer[i] == NULL ) continue;
00122 viewer[i]->timerUpdate();
00123 }
00124 return 0;
00125 }
00126
00127 int arVrmlDraw( int id )
00128 {
00129 if( viewer[id] == NULL ) return -1;
00130 viewer[id]->redraw();
00131 return 0;
00132 }
00133
00134 int arVrmlSetInternalLight( int flag )
00135 {
00136 int i;
00137
00138 if( flag ) {
00139 for( i = 0; i < AR_VRML_MAX; i++ ) {
00140 if( viewer[i] == NULL ) continue;
00141 viewer[i]->setInternalLight(true);
00142 }
00143 }
00144 else {
00145 for( i = 0; i < AR_VRML_MAX; i++ ) {
00146 if( viewer[i] == NULL ) continue;
00147 viewer[i]->setInternalLight(false);
00148 }
00149 }
00150
00151 return 0;
00152 }
00153
00154 static char *get_buff( char *buf, int n, FILE *fp )
00155 {
00156 char *ret, buf1[256];
00157
00158 for(;;) {
00159 ret = fgets( buf, n, fp );
00160 if( ret == NULL ) return(NULL);
00161 if( sscanf(buf, "%s", buf1) != 1 ) continue;
00162
00163 if( buf1[0] != '#' ) return(ret);
00164 }
00165 }
