int MassSpringSystemFromTetMeshConfigFile::GenerateMassSpringSystem(const char * configFilename, MassSpringSystem ** massSpringSystem, MassSpringSystemTetMeshConfiguration * massSpringSystemTetMeshConfiguration)
{
char tetMeshFilename[4096];
char surfaceMeshFilename[4096];
double density, tensileStiffness, damping;
int addGravity;
printf("Parsing configuration file %s...\n", configFilename);
ConfigFile configFile;
configFile.addOption("tetMeshFilename", tetMeshFilename);
configFile.addOptionOptional("surfaceMeshFilename", surfaceMeshFilename, "__none");
configFile.addOption("density", &density);
configFile.addOption("tensileStiffness", &tensileStiffness);
configFile.addOption("damping", &damping);
configFile.addOption("addGravity", &addGravity);
if (configFile.parseOptions(configFilename) != 0)
{
printf("Error parsing options.\n");
return 1;
}
// the config variables have now been loaded with their specified values
// informatively print the variables (with assigned values) that were just parsed
configFile.printOptions();
TetMesh * tetMesh;
try
{
tetMesh = new TetMesh(tetMeshFilename);
}
catch(int eCode)
{
printf("Error: unable to load mesh from %s. Code: %d\n", tetMeshFilename, eCode);
return 1;
};
printf("Tet mesh loaded.\n");
MassSpringSystemFromTetMesh massSpringSystemFromTetMesh;
int code = massSpringSystemFromTetMesh.GenerateMassSpringSystem(tetMesh, massSpringSystem, density, tensileStiffness, damping, addGravity);
delete(tetMesh);
if (massSpringSystemTetMeshConfiguration != NULL)
{
massSpringSystemTetMeshConfiguration->tetMeshFilename = DuplicateString(tetMeshFilename);
massSpringSystemTetMeshConfiguration->surfaceMeshFilename = DuplicateString(surfaceMeshFilename);
massSpringSystemTetMeshConfiguration->density = density;
massSpringSystemTetMeshConfiguration->tensileStiffness = tensileStiffness;
massSpringSystemTetMeshConfiguration->damping = damping;
massSpringSystemTetMeshConfiguration->addGravity = addGravity;
}
return code;
}
Lighting::Lighting(const char * configFilename)
{
if (glGetError() != GL_NO_ERROR)
printf("Warning: error in the OpenGL state at the beginning of lighting constructor.\n");
ConfigFile configFile;
configFile.addOptionOptional("globalAmbientIntensity", &ambientIntensity, 0.0f);
configFile.addOptionOptional("localViewer", &localViewer, true);
configFile.addOptionOptional("twoSidedLighting", &twoSidedLighting, false);
configFile.addOptionOptional("enableAmbientTerm", &enableAmbientTerm, true);
configFile.addOptionOptional("enableDiffuseTerm", &enableDiffuseTerm, true);
configFile.addOptionOptional("enableSpecularTerm", &enableSpecularTerm, true);
for(int light=0; light<8; light++)
{
char lightCh = '0' + light;
char optionName[128];
sprintf(optionName, "lightEnabled_%c", lightCh);
configFile.addOptionOptional(optionName, &lightEnabled[light], false);
sprintf(optionName, "position_%c_X", lightCh);
configFile.addOptionOptional(optionName, &lightPosition[4*light+0], 0.0f);
sprintf(optionName, "position_%c_Y", lightCh);
configFile.addOptionOptional(optionName, &lightPosition[4*light+1], 0.0f);
sprintf(optionName, "position_%c_Z", lightCh);
configFile.addOptionOptional(optionName, &lightPosition[4*light+2], 0.0f);
sprintf(optionName, "position_%c_DIR", lightCh);
configFile.addOptionOptional(optionName, &lightPosition[4*light+3], 1.0f);
sprintf(optionName, "lightIntensity_%c", lightCh);
configFile.addOptionOptional(optionName, &lightIntensity[light], 1.0f);
}
if (configFile.parseOptions(configFilename) != 0)
throw 1;
//configFile.printOptions();
#define TURNONLIGHT(i)\
if(lightEnabled[i])\
glEnable(GL_LIGHT##i);\
else\
glDisable(GL_LIGHT##i);\
TURNONLIGHT(0);
TURNONLIGHT(1);
TURNONLIGHT(2);
TURNONLIGHT(3);
TURNONLIGHT(4);
TURNONLIGHT(5);
TURNONLIGHT(6);
TURNONLIGHT(7);
if (glGetError() != GL_NO_ERROR)
printf("Warning: error in the OpenGL state in the Lighting constructor.\n");
for(int light=0; light<8; light++)
{
if(!lightEnabled[light])
continue;
if (enableAmbientTerm)
{
lKa[light*4+0] = lKa[light*4+1] = lKa[light*4+2] = lightIntensity[light];
}
else
{
lKa[light*4+0] = lKa[light*4+1] = lKa[light*4+2] = 0.0f;
}
if (enableDiffuseTerm)
{
lKd[light*4+0] = lKd[light*4+1] = lKd[light*4+2] = lightIntensity[light];
}
else
{
lKd[light*4+0] = lKd[light*4+1] = lKd[light*4+2] = 0.0f;
}
if (enableSpecularTerm)
{
lKs[light*4+0] = lKs[light*4+1] = lKs[light*4+2] = lightIntensity[light];
}
else
{
lKs[light*4+0] = lKs[light*4+1] = lKs[light*4+2] = 0.0f;
}
// set alpha to 1.0
lKa[light*4+3] = lKd[light*4+3] = lKs[light*4+3] = 1.0;
}
GLfloat aGa[] = { ambientIntensity, ambientIntensity, ambientIntensity, 1.0 };
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, aGa);
glLightModelf(GL_LIGHT_MODEL_LOCAL_VIEWER, localViewer);
glLightModelf(GL_LIGHT_MODEL_TWO_SIDE, twoSidedLighting);
}
void initConfigurations()
{
ConfigFile configFile;
// specify the entries of the config file
configFile.addOptionOptional("windowWidth",&windowWidth,800);
configFile.addOptionOptional("windowHeight",&windowHeight,800);
configFile.addOption("deformableObjectFilename",deformableObjectFilename);
configFile.addOptionOptional("modesFilename",modesFilename,"__none");
configFile.addOptionOptional("cubicPolynomialFilename",cubicPolynomialFilename,"__none");
configFile.addOption("dampingMassCoef",&dampingMassCoef);
configFile.addOption("dampingStiffnessCoef",&dampingStiffnessCoef);
configFile.addOptionOptional("plasticThreshold", &plasticThreshold, plasticThreshold);
configFile.addOption("deformableObjectCompliance",&deformableObjectCompliance);
configFile.addOption("frequencyScaling",&frequencyScaling);
configFile.addOptionOptional("cameraRadius",&cameraRadius,17.5);
configFile.addOptionOptional("focusPositionX",&focusPositionX,0.0);
configFile.addOptionOptional("focusPositionY",&focusPositionY,0.0);
configFile.addOptionOptional("focusPositionZ",&focusPositionZ,0.0);
configFile.addOptionOptional("cameraLongitude",&cameraLongitude,-60.0);
configFile.addOptionOptional("cameraLattitude",&cameraLattitude,20.0);
configFile.addOptionOptional("renderWireframe",&renderWireframe,1);
configFile.addOptionOptional("extraSceneGeometry",extraSceneGeometryFilename,"__none");
configFile.addOptionOptional("enableTextures",&enableTextures,enableTextures);
configFile.addOptionOptional("backgroundColor",backgroundColorString, backgroundColorString);
string lightingConfigFilenameDefault = configFilesDir + "default.lighting";
configFile.addOptionOptional("lightingConfigFilename",lightingConfigFilename,
(char*) lightingConfigFilenameDefault.c_str());
configFile.addOptionOptional("substepsPerTimeStep",
&substepsPerTimeStep, substepsPerTimeStep);
configFile.addOptionOptional("renderOnGPU", &renderOnGPU, 1);
// parse the configuration file
if (configFile.parseOptions((char*)configFilename.c_str()) != 0)
{
printf("Error: unable to load the configuration file.\n");
exit(1);
}
// the config variables have now been loaded with their specified values
// informatively print the variables (with assigned values) that were just parsed
configFile.printOptions();
}
