Material *
SceneParser::parseMaterial()
{
char token[MAX_PARSER_TOKEN_LENGTH];
char filename[MAX_PARSER_TOKEN_LENGTH];
filename[0] = 0;
Vector3f diffuseColor(1,1,1), specularColor(0,0,0);
float shininess=0;
getToken(token); assert(!strcmp(token, "{"));
while (true) {
getToken(token);
if (strcmp(token, "diffuseColor")==0) {
diffuseColor = readVector3f();
}
else if (strcmp(token, "specularColor")==0) {
specularColor = readVector3f();
}
else if (strcmp(token, "shininess")==0) {
shininess = readFloat();
}
else if (strcmp(token, "texture")==0) {
getToken(filename);
}
else {
assert(!strcmp(token, "}"));
break;
}
}
Material *answer = new Material(diffuseColor, specularColor, shininess);
if(filename[0] !=0){
answer->loadTexture(filename);
}
return answer;
}
Transform *
SceneParser::parseTransform()
{
char token[MAX_PARSER_TOKEN_LENGTH];
Matrix4f matrix = Matrix4f::identity();
Object3D *object = NULL;
getToken(token); assert(!strcmp(token, "{"));
// read in transformations:
// apply to the LEFT side of the current matrix (so the first
// transform in the list is the last applied to the object)
getToken(token);
while (true) {
if (!strcmp(token,"Scale")) {
Vector3f s = readVector3f();
matrix = matrix * Matrix4f::scaling( s[0], s[1], s[2] );
} else if (!strcmp(token,"UniformScale")) {
float s = readFloat();
matrix = matrix * Matrix4f::uniformScaling( s );
} else if (!strcmp(token,"Translate")) {
matrix = matrix * Matrix4f::translation( readVector3f() );
} else if (!strcmp(token,"XRotate")) {
matrix = matrix * Matrix4f::rotateX((float) DegreesToRadians(readFloat()));
} else if (!strcmp(token,"YRotate")) {
matrix = matrix * Matrix4f::rotateY((float) DegreesToRadians(readFloat()));
} else if (!strcmp(token,"ZRotate")) {
matrix = matrix * Matrix4f::rotateZ((float) DegreesToRadians(readFloat()));
} else if (!strcmp(token,"Rotate")) {
getToken(token); assert(!strcmp(token, "{"));
Vector3f axis = readVector3f();
float degrees = readFloat();
float radians = (float) DegreesToRadians(degrees);
matrix = matrix * Matrix4f::rotation(axis,radians);
getToken(token); assert(!strcmp(token, "}"));
} else if (!strcmp(token,"Matrix4f")) {
Matrix4f matrix2 = Matrix4f::identity();
getToken(token); assert(!strcmp(token, "{"));
for (int j = 0; j < 4; j++) {
for (int i = 0; i < 4; i++) {
float v = readFloat();
matrix2( i, j ) = v;
}
}
getToken(token); assert(!strcmp(token, "}"));
matrix = matrix2 * matrix;
} else {
// otherwise this must be an object,
// and there are no more transformations
object = parseObject(token);
break;
}
getToken(token);
}
assert(object != NULL);
getToken(token); assert(!strcmp(token, "}"));
return new Transform(matrix, object);
}
Light* SceneParser::parseDirectionalLight() {
char token[MAX_PARSER_TOKEN_LENGTH];
getToken(token); assert (!strcmp(token, "{"));
getToken(token); assert (!strcmp(token, "direction"));
Vector3f direction = readVector3f();
getToken(token); assert (!strcmp(token, "color"));
Vector3f color = readVector3f();
getToken(token); assert (!strcmp(token, "}"));
return new DirectionalLight(direction,color);
}
Light *
SceneParser::parsePointLight()
{
char token[MAX_PARSER_TOKEN_LENGTH];
getToken(token); assert(!strcmp(token, "{"));
getToken(token); assert(!strcmp(token, "position"));
Vector3f position = readVector3f();
getToken(token); assert(!strcmp(token, "color"));
Vector3f color = readVector3f();
getToken(token); assert(!strcmp(token, "}"));
return new PointLight(position,color);
}
Triangle* SceneParser::parseTriangle() {
char token[MAX_PARSER_TOKEN_LENGTH];
getToken(token); assert (!strcmp(token, "{"));
getToken(token);
assert (!strcmp(token, "vertex0"));
Vector3f v0 = readVector3f();
getToken(token);
assert (!strcmp(token, "vertex1"));
Vector3f v1 = readVector3f();
getToken(token);
assert (!strcmp(token, "vertex2"));
Vector3f v2 = readVector3f();
getToken(token); assert (!strcmp(token, "}"));
assert (current_material != NULL);
return new Triangle(v0,v1,v2,current_material);
}
void SceneParser::parsePerspectiveCamera() {
char token[MAX_PARSER_TOKEN_LENGTH];
// read in the camera parameters
getToken(token); assert (!strcmp(token, "{"));
getToken(token); assert (!strcmp(token, "center"));
Vector3f center = readVector3f();
getToken(token); assert (!strcmp(token, "direction"));
Vector3f direction = readVector3f();
getToken(token); assert (!strcmp(token, "up"));
Vector3f up = readVector3f();
getToken(token); assert (!strcmp(token, "angle"));
float angle_degrees = readFloat();
float angle_radians = DegreesToRadians(angle_degrees);
getToken(token); assert (!strcmp(token, "}"));
camera = new PerspectiveCamera(center,direction,up,angle_radians);
}
void SceneParser::parseOrthographicCamera() {
cout << "Parsing ortho camera" << endl;
char token[MAX_PARSER_TOKEN_LENGTH];
// read in the camera parameters
getToken(token); assert (!strcmp(token, "{"));
getToken(token); assert (!strcmp(token, "center"));
Vector3f center = readVector3f();
getToken(token); assert (!strcmp(token, "direction"));
Vector3f direction = readVector3f();
getToken(token); assert (!strcmp(token, "up"));
Vector3f up = readVector3f();
getToken(token); assert (!strcmp(token, "size"));
float size = readFloat();
getToken(token); assert (!strcmp(token, "}"));
camera = new OrthographicCamera(center,direction,up,size);
}
Material* SceneParser::parseMaterial() {
char token[MAX_PARSER_TOKEN_LENGTH];
char filename[MAX_PARSER_TOKEN_LENGTH];
filename[0] = 0;
Vector3f diffuseColor(1,1,1), specularColor(0,0,0);
float shininess=0;
float refractionIndex =0;
getToken(token); assert (!strcmp(token, "{"));
Noise *noise =0;
while (1) {
getToken(token);
if (strcmp(token, "diffuseColor")==0) {
diffuseColor = readVector3f();
}
else if (strcmp(token, "specularColor")==0) {
specularColor = readVector3f();
}
else if (strcmp(token, "shininess")==0) {
shininess = readFloat();
}else if(strcmp(token, "refractionIndex")==0){
refractionIndex = readFloat();
}
else if (strcmp(token, "texture")==0) {
getToken(filename);
}
///unimplemented
else if (strcmp(token, "bump")==0) {
getToken(token);
}
else if(strcmp(token,"Noise")==0){
noise = parseNoise();
}
else {
assert (!strcmp(token, "}"));
break;
}
}
Material *answer = new Material(diffuseColor, specularColor, shininess,refractionIndex);
if(filename[0] !=0){
answer->loadTexture(filename);
}
if(noise != 0){
answer->setNoise(*noise);
delete noise;
}
return answer;
}
void SceneParser::parseBackground() {
cout << "parsing background" << endl;
char token[MAX_PARSER_TOKEN_LENGTH];
// read in the background color
getToken(token); assert (!strcmp(token, "{"));
while (1) {
getToken(token);
if (!strcmp(token, "}")) {
break;
} else if (!strcmp(token, "color")) {
background_color = readVector3f();
} else if (!strcmp(token, "ambientLight")) {
ambient_light = readVector3f();
} else {
printf ("Unknown token in parseBackground: '%s'\n", token);
assert(0);
}
}
}
Plane* SceneParser::parsePlane() {
char token[MAX_PARSER_TOKEN_LENGTH];
getToken(token); assert (!strcmp(token, "{"));
getToken(token); assert (!strcmp(token, "normal"));
Vector3f normal = readVector3f();
getToken(token); assert (!strcmp(token, "offset"));
float offset = readFloat();
getToken(token); assert (!strcmp(token, "}"));
assert (current_material != NULL);
return new Plane(normal,offset,current_material);
}
Sphere* SceneParser::parseSphere() {
char token[MAX_PARSER_TOKEN_LENGTH];
getToken(token); assert (!strcmp(token, "{"));
getToken(token); assert (!strcmp(token, "center"));
Vector3f center = readVector3f();
getToken(token); assert (!strcmp(token, "radius"));
float radius = readFloat();
getToken(token); assert (!strcmp(token, "}"));
assert (current_material != NULL);
return new Sphere(center,radius,current_material);
}
Light* SceneParser::parsePointLight() {
char token[MAX_PARSER_TOKEN_LENGTH];
Vector3f position,color;
float falloff =0;
getToken(token); assert (!strcmp(token, "{"));
while (1) {
getToken(token);
if (strcmp(token, "position")==0) {
position = readVector3f();
}else if (strcmp(token, "color")==0) {
color = readVector3f();
}else if(strcmp(token,"falloff")==0){
falloff = readFloat();
}else{
assert (!strcmp(token, "}"));
break;
}
}
return new PointLight(position,color,falloff);
}
Triangle *
SceneParser::parseTriangle()
{
char token[MAX_PARSER_TOKEN_LENGTH];
getToken(token); assert(!strcmp(token, "{"));
getToken(token);
assert(!strcmp(token, "vertex0"));
Vector3f v0 = readVector3f();
getToken(token);
assert(!strcmp(token, "vertex1"));
Vector3f v1 = readVector3f();
getToken(token);
assert(!strcmp(token, "vertex2"));
Vector3f v2 = readVector3f();
getToken(token); assert(!strcmp(token, "}"));
assert(_current_material != NULL);
Vector3f a = v1 - v0;
Vector3f b = v2 - v0;
Vector3f n = Vector3f::cross(a, b).normalized();
return new Triangle(v0, v1, v2, n, n, n, _current_material);
}
Material* SceneParser::parseMaterial() {
cout << "PARSING INDIVIDUAL MATERIAL" << endl;
char token[MAX_PARSER_TOKEN_LENGTH];
Vector3f diffuseColor(1,1,1);
float exponent = 1;
getToken(token); assert (!strcmp(token, "{"));
while (1) {
getToken(token);
if (!strcmp(token, "diffuseColor")) {
diffuseColor = readVector3f();
} else {
assert (!strcmp(token, "}"));
break;
}
}
Material *answer = new Material(diffuseColor);
return answer;
}
Noise * SceneParser::parseNoise()
{
char token[MAX_PARSER_TOKEN_LENGTH];
Vector3f color[2];
int colorIdx = 0;
int octaves=0;
float frequency = 1;
float amplitude = 1;
getToken(token); assert (!strcmp(token, "{"));
Noise *noise =0;
while (1) {
getToken(token);
if (strcmp(token, "color")==0) {
if(colorIdx > 1){
printf("Error parsing noise\n");
}else{
color[colorIdx]= readVector3f();
colorIdx++;
}
}
else if (strcmp(token, "octaves")==0) {
octaves= readInt();
}
else if (strcmp(token, "frequency")==0) {
frequency= readFloat();
}
else if (strcmp(token, "amplitude")==0) {
amplitude= readFloat();
}
else {
assert (!strcmp(token, "}"));
break;
}
}
return new Noise(octaves, color[0],color[1],frequency,amplitude);
}
void TextInputButton::focusClick(){
std::stringstream ss;
tooltip=(char*)input->inputText.c_str();
//adding selectedActor stack to TextInputButton
if (parent && buttonProperty!="NULL"){
bool bParentSelected=false;
for (int i=0;i<(int)input->selectedActors.size();i++ )
if (input->selectedActors[i]==parent)
bParentSelected=true;
if (bParentSelected){
for (int i=0;i<(int)input->selectedActors.size();i++){
memberID * mID = &(input->selectedActors[i]->property[buttonProperty]); //look for the property we should set
cout << "we found the following memberID: " << mID->memberName << " with the following member type: " << mID->memberType->name() << endl;
if (buttonProperty=="ROTATION"){
Vector3f rot = readVector3f((char*)input->inputText.c_str());
input->selectedActors[i]->setRotation(rot);
}else if (buttonProperty=="LOCATION"){
Vector3f loc = readVector3f((char*)input->inputText.c_str());
input->selectedActors[i]->setLocation(loc);
}else if (buttonProperty=="SCALE"){
Vector3f loc = readVector3f((char*)input->inputText.c_str());
input->selectedActors[i]->setScale(loc);
}else if (mID){
memberFromString(mID,input->inputText);
}else
cout << "no such property: " << buttonProperty;
}
}
else{
cout << "we are connected to " << parent->name <<endl;
memberID * mID = &(parent->property[buttonProperty]); //look for the property we should set
cout << "we found the following memberID: " << mID->memberName << " with the following member type: " << mID->memberType->name() << endl;
if (mID)
{
memberFromString(mID,input->inputText);
}
else
cout << "no such property: " << buttonProperty;
}
}
if (parent)
parent->trigger(this);
//clean up
input=Input::getInstance();
input->inputText="NULL";
bEditing=false;
BasicButton::focusClick();
}