void Scene::_parseOrthographicCamera( ){
float position[3], lookAt[3], up[3];
_checkToken( "OrthographicCamera" );
_nextToken( );
_checkToken( "{" );
_nextToken( );
_checkToken( "position" );
for( int i = 0; i < 3; i++ ){
_nextToken( );
position[i] = _parseFloat( );
}
Point3 pPosition(position);
_nextToken( );
_checkToken( "lookAt" );
for( int i = 0; i < 3; i++ ){
_nextToken( );
lookAt[i] = _parseFloat( );
}
Point3 pLookAt(lookAt);
_nextToken( );
_checkToken( "up" );
for( int i = 0; i < 3; i++ ){
_nextToken( );
up[i] = _parseFloat( );
}
Vec3 vUp(up);
_nextToken( );
_checkToken( "}" );
// Fill me in!
}
void Scene::_parseViewPlane( ){
size_t w, h, s;
double p;
_nextToken( );
_checkToken( "ViewPlane");
_nextToken( );
_checkToken( "{");
_nextToken( );
_checkToken( "width");
_nextToken( );
w = _parseInt( );
_nextToken( );
_checkToken( "height" );
_nextToken( );
h = _parseInt( );
_nextToken( );
_checkToken( "pixelsize" );
_nextToken( );
p = _parseFloat( );
_nextToken( );
_checkToken( "sampleCount" );
_nextToken( );
s = _parseInt( );
_nextToken( );
_checkToken( "}" );
// Fill me in!
}
void Scene::_parsePointLight(uint id){
float vec[4];
_checkToken( "PointLight");
_nextToken( );
_checkToken( "{");
_nextToken( );
_checkToken("position");
for( int i = 0; i < 3; i++ ){
_nextToken( );
vec[i] = _parseFloat( );
}
Point3 position(vec);
_nextToken( );
_checkToken("ambientColor");
for( int i = 0; i < 4; i++ ){
_nextToken( );
vec[i] = _parseFloat( );
}
RGBAColor ambient(vec);
_nextToken( );
_checkToken( "diffuseColor");
for( int i = 0; i < 4; i++ ){
_nextToken( );
vec[i] = _parseFloat( );
}
RGBAColor diffuse(vec);
_nextToken( );
_checkToken("specularColor");
for( int i = 0; i < 4; i++ ){
_nextToken( );
vec[i] = _parseFloat( );
}
RGBAColor specular(vec);
_nextToken( );
_checkToken("constant_attenuation");
_nextToken( );
float constant_attenuation = _parseFloat( );
_nextToken( );
_checkToken("linear_attenuation");
_nextToken( );
float linear_attenuation = _parseFloat( );
_nextToken( );
_checkToken("quadratic_attenuation");
_nextToken( );
float quadratic_attenuation = _parseFloat( );
_nextToken( );
_checkToken( "}");
// Fill me in!
}
void Scene::_parseSphere(int i){
float vec[3];
_checkToken( "Sphere");
_nextToken( );
_checkToken( "{" );
_nextToken( );
_checkToken( "center" );
for( int i = 0; i < 3; i++ ){
_nextToken( );
vec[i] = _parseFloat( );
}
Point3 center(vec[0], vec[1], vec[2]);
_nextToken( );
_checkToken( "radius" );
_nextToken( );
float radius = _parseFloat( );
_nextToken( );
_checkToken("}");
// Fill me in!
}
void Scene::_parsePhongMaterial(uint id){
float vec[4];
_checkToken( "PhongMaterial");
_nextToken( );
_checkToken( "{");
_nextToken( );
_checkToken("ambientColor");
for( int i = 0; i < 4; i++ ){
_nextToken( );
vec[i] = _parseFloat( );
}
RGBAColor ambient(vec);
_nextToken( );
_checkToken( "diffuseColor");
for( int i = 0; i < 4; i++ ){
_nextToken( );
vec[i] = _parseFloat( );
}
RGBAColor diffuse(vec);
_nextToken( );
_checkToken("specularColor");
for( int i = 0; i < 4; i++ ){
_nextToken( );
vec[i] = _parseFloat( );
}
RGBAColor specular(vec);
_nextToken( );
_checkToken("shininess");
float shininess = _parseFloat( );
_nextToken( );
float indexOfRefraction = 10;
if( std::strcmp(_currentToken, "indexOfRefraction") == 0 ){
indexOfRefraction = _parseFloat( );
}
_nextToken( );
_checkToken( "}");
// Fill me in!
}
void Scene::_parseBackground( ){
unsigned char vec[3];
_nextToken( );
_checkToken( "Background" );
_nextToken( );
_checkToken( "{");
_nextToken( );
_checkToken( "color" );
for( int i = 0; i < 3; i++ ){
_nextToken( );
vec[i] = _parseFloat( );
}
_nextToken( );
_checkToken( "}" );
// Fill me in!
}
void OptionManager::callOptionHandler (const char* name, const char* value) {
if (!typeMap.find(name))
throw Error("Property \"%s\" not defined", name);
OPTION_TYPE type = typeMap.at(name);
int x = 0, y = 0;
float f = 0, r = 0, g = 0, b = 0;
switch (type)
{
case OPTION_STRING:
stringSetters.at(name)(value);
break;
case OPTION_INT:
if (_parseInt(value, x) < 0)
throw Error("Cannot recognize \"%s\" as an integer value", value);
intSetters.at(name)(x);
break;
case OPTION_BOOL:
if (_parseBool(value, x) < 0)
throw Error("Cannot recognize \"%s\" as a boolean value", value);
boolSetters.at(name)(x);
break;
case OPTION_FLOAT:
if (_parseFloat(value, f) < 0)
throw Error("Cannot recognize \"%s\" as a float value", value);
floatSetters.at(name)(f);
break;
case OPTION_COLOR:
if (_parseColor(value, r, g, b) < 0)
throw Error("Cannot recognize \"%s\" as a color value", value);
colorSetters.at(name)(r, g, b);
break;
case OPTION_XY:
if (_parseSize(value, x, y) < 0)
throw Error("Cannot recognize \"%s\" as a pair of integers", value);
xySetters.at(name)(x, y);
break;
default:
throw Error("Option type not supported");
}
}