void processMouse(int button, int state, int x, int y)
{
if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN)
{
xf = (float)x/((float)window::width/2.0) - 1;
yf = 1 - (float)y/((float)window::height/2.0);
pressedLeft = true;
prevX = xf;
prevY = yf;
prevZ = findZ(prevX,prevY);
base.getMatrix().setMatrix(world.getMatrix());
}
else if (button == GLUT_MIDDLE_BUTTON && state == GLUT_DOWN)
{
xf = (float)x/((float)window::width/2.0) - 1;
yf = 1 - (float)y/((float)window::height/2.0);
pressedMiddle = true;
prevX = xf;
prevY = yf;
prevZ = findZ(prevX,prevY);
base.getMatrix().setMatrix(world.getMatrix());
}
else if (button == GLUT_RIGHT_BUTTON && state == GLUT_DOWN)
{
xf = (float)x/((float)window::width/2.0) - 1;
yf = 1 - (float)y/((float)window::height/2.0);
pressedRight = true;
prevX = xf;
prevY = yf;
prevZ = findZ(prevX,prevY);
base.getMatrix().setMatrix(world.getMatrix());
}
else
{
base.getMatrix().setMatrix(world.getMatrix());
temp.getMatrix().identity();
pressedLeft = false;
pressedMiddle = false;
pressedRight = false;
}
}
void IsometricCubeWidget::setCube(Cube c)
{
color** mat = c.getMatrix();
for(int x = 0; x < 18; x++)
{
for(int y = 0; y < 3; y++)
{
displayCube[x][y] = mat[x][y];
}
delete [] mat[x];
}
delete [] mat;
mat = 0;
this->update();
}
//----------------------------------------------------------------------------
// Callback method called when window readraw is necessary or
// when glutPostRedisplay() was called.
void window::displayCallback(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // clear color and depth buffers
//cout << *(world.getMatrix().getPointer() + 12) << " and " << *(world.getMatrix().getPointer() + 13) << " and " << *(world.getMatrix().getPointer() + 14) << endl;
if (toggle_rage && !insideWorld(world.getMatrix()) && !jump)
{
world.getMatrix().identity();
}
else
{
processMovement();
}
camera.inverseCamera();
glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse_character);
// CHARACTER
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
cube.getMatrix().identity();
all.getMatrix().setMatrix(cube.getMatrix().rotateY(PI/2));
all.getMatrix().setMatrix(all.getMatrix().multiply(camera.getMatrix())); // YOU
glLoadMatrixf(all.getMatrix().getPointer());
if (toggle_rage)
glColor3f(1.0,0.0,0.0);
else
glColor3f(0.0,0.0,1.0);
glutSolidSphere(2,30,30);
if (debug)
{
glColor3f(1.0,0.0,0.0);
glutWireCube(3.6);
}
drawFPS();
glDisable(GL_LIGHTING);
glDisable(GL_LIGHT0);
//glLoadIdentity();
//updateParticles();
//drawParticles();
glLoadMatrixf(world.getMatrix().getPointer());
Draw_Skybox(0,150,0,800,800,800);
if (!toggle_rage) glLightfv(GL_LIGHT0, GL_DIFFUSE, light0_diffuse);
else glLightfv(GL_LIGHT0, GL_DIFFUSE, light0_diffuse_rage);
glLightfv(GL_LIGHT0, GL_POSITION, light0_position);
glPushMatrix();
glTranslatef(0, -CURRENT_TERRAIN_HEIGHT, 0);
glCallList(CURRENT_TERRAIN_ID);
glPopMatrix();
glDisable(GL_LIGHTING);
light0.getMatrix().identity();
light0.getMatrix().setMatrix(light0.getMatrix().translate(light0_position[0],light0_position[1],light0_position[2]));
all.getMatrix().setMatrix(light0.getMatrix());
all.getMatrix().setMatrix(all.getMatrix().multiply(world.getMatrix()));
glLoadMatrixf(all.getMatrix().getPointer());
glColor3f(1.0,1.0,1.0);
glutSolidSphere(1.0,20,20);
glEnable(GL_LIGHTING);
// WORLD
glEnable(GL_LIGHTING);
if (toggle_shader) shader->bind();
g_world->draw(world.getMatrix());
if (toggle_shader) shader->unbind();
glDisable(GL_LIGHTING);
glutSwapBuffers();
}
void processMovement()
{
float y;
if (!toggle_rage)
{
if (keys[W])
{
world.getMatrix().setMatrix(world.getMatrix().translate(0.0,0,1.1));
}
if (keys[S])
{
world.getMatrix().setMatrix(world.getMatrix().translate(0.0,0,-1.1));
}
}
else
{
if (keys[W])
{
world.getMatrix().setMatrix(world.getMatrix().translate(0.0,0,1.1));
toggle_rage = false;
}
if (keys[S])
{
world.getMatrix().setMatrix(world.getMatrix().translate(0.0,0,-1.1));
toggle_rage = false;
}
else {
//world.getMatrix().setMatrix(world.getMatrix().translate(0.0,0,1.1));
selectRandomPath();
}
}
if (keys[A])
{
rotation.getMatrix().setMatrix(world.getMatrix().rotateY(-0.05));
world.getMatrix().setMatrix(world.getMatrix().multiply(rotation.getMatrix()));
}
if (keys[D])
{
rotation.getMatrix().setMatrix(world.getMatrix().rotateY(0.05));
world.getMatrix().setMatrix(world.getMatrix().multiply(rotation.getMatrix()));
}
if (jump)
{
j_x += 0.1;
y = -(j_x*j_x);
if (j_x >= 0) y = y*-1;
if (j_x > -j_start)
jump = false;
else
world.getMatrix().setMatrix(world.getMatrix().translate(0.0,y,0.0));
}
}
void keyDown(unsigned char key, int x, int y) {
Vector3 v;
switch (key)
{
case ' ':
if (!jump)
{
j_x = j_start;
jump = true;
}
break;
case 'w':
keys[W] = true;
break;
case 's':
keys[S] = true;
break;
case 'a':
keys[A] = true;
break;
case 'd':
keys[D] = true;
break;
case 'v':
toggle_view = !toggle_view;
if (toggle_view)
{
v = Vector3(0,10,5);
camera.lookAt(v,l,up);
camera.getE().print();
camera.getMatrix().print();
}
else
{
camera.lookAt(p,l,up);
camera.getE().print();
camera.getMatrix().print();
}
break;
/*case '1':
light0Toggle = !light0Toggle;
if (light0Toggle)
glEnable(GL_LIGHT0);
else
glDisable(GL_LIGHT0);
break;*/
case 'r':
toggle_rage = !toggle_rage;
rage_count = 0;
break;
case 'p':
world.getMatrix().identity();
break;
case 'h':
toggle_shader = !toggle_shader;
break;
case 't':
toggle_texture = !toggle_texture;
if (toggle_texture)
glEnable(GL_TEXTURE_2D);
else
glDisable(GL_TEXTURE_2D);
break;
case 'f':
is_fullscreen = !is_fullscreen;
if (is_fullscreen)
glutFullScreen();
else
glutReshapeWindow(512, 512);
break;
case 'u':
debug = !debug;
break;
case '1':
CURRENT_TERRAIN_ID = TERRAIN_ONE_ID;
//CURRENT_TERRAIN_HEIGHT = 2;
break;
case '2':
CURRENT_TERRAIN_ID = TERRAIN_TWO_ID;
//CURRENT_TERRAIN_HEIGHT = 2;
break;
case '3':
CURRENT_TERRAIN_ID = TERRAIN_THREE_ID;
//CURRENT_TERRAIN_HEIGHT = 2;
break;
case 27:
//if (shader)
// delete shader;
//glDeleteLists(terrainListID, 1);
exit(0);
break;
}
}
void selectRandomPath()
{
if (rage_count == 0) // select random path
{
rage_path = rand()%6;
rage_count += 1;
world.getMatrix().setMatrix(world.getMatrix().translate(0.0,0,2.5));
}
else // continue executing code
{
rage_count++;
if (rage_count < 10 || jump)
{
if (rage_path == 4)
{
jump = true;
}
if (rage_path == 0 || rage_path == 1 || rage_path == 4)
{
world.getMatrix().setMatrix(world.getMatrix().translate(0.0,0,2.5));
rotation.getMatrix().setMatrix(world.getMatrix().rotateY(-0.07));
world.getMatrix().setMatrix(world.getMatrix().multiply(rotation.getMatrix()));
}
else if (rage_path == 2 || rage_path == 3 || rage_path == 4)
{
world.getMatrix().setMatrix(world.getMatrix().translate(0.0,0,2.5));
rotation.getMatrix().setMatrix(world.getMatrix().rotateY(0.07));
world.getMatrix().setMatrix(world.getMatrix().multiply(rotation.getMatrix()));
}
else
{
world.getMatrix().setMatrix(world.getMatrix().translate(0.0,0,2.5));
}
if (jump)
{
j_x += 0.1;
float y = -(j_x*j_x);
if (j_x >= 0) y = y*-1;
if (j_x > -j_start)
{
jump = false;
j_x = j_start;
}
else
world.getMatrix().setMatrix(world.getMatrix().translate(0.0,y,0.0));
}
}
else
{
world.getMatrix().setMatrix(world.getMatrix().translate(0.0,0,2.5));
rage_count = 0;
}
}
}
void processMotion(int x, int y)
{
xf = (float)x/((float)window::width/2.0) - 1;
yf = 1 - (float)y/((float)window::height/2.0);
if (pressedLeft)
{
zf = findZ(xf,yf);
Vector3 prev = Vector3(prevX,prevY,prevZ);
Vector3 curr = Vector3(xf,yf,zf);
Vector3 p = prev.normalize();
Vector3 c = curr.normalize();
prev.set(p.get(0), p.get(1), p.get(2));
curr.set(c.get(0), c.get(1), c.get(2));
theta = getTheta(prev, curr);
Vector3 axis3 = prev.cross(prev, curr);
Vector3 a = axis3.normalize();
axis3.set(a.get(0), a.get(1), a.get(2));
Vector4 axis4 = Vector4(axis3.get(0), axis3.get(1), axis3.get(2), 0);
temp.getMatrix().setMatrix(temp.getMatrix().rotateAA(axis4,theta));
}
else if (pressedMiddle)
{
temp.getMatrix().identity();
temp.getMatrix().setMatrix(temp.getMatrix().translate((xf-prevX)*15,(yf-prevY)*15,0));
}
else if (pressedRight)
{
float s;
if (prevY < yf)
{
s = 1-(yf-prevY)*-2;
temp.getMatrix().identity();
temp.getMatrix().setMatrix(temp.getMatrix().scale(s,s,s));
}
else
{
float s = 1+(yf-prevY)*0.5;
if (s < 0)
{
s = 0.0001;
}
temp.getMatrix().identity();
temp.getMatrix().setMatrix(temp.getMatrix().scale(s,s,s));
}
}
}
int main(int argc, char *argv[])
{
GLfloat ambient[] = {0.5,0.5,0.5,1.0}; // default ambient color for all light sources
glutInit(&argc, argv); // initialize GLUT
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH); // open an OpenGL context with double buffering, RGB colors, and depth buffering
glutInitWindowSize(512, 512); // set initial window size
glutCreateWindow("Final Project"); // open window and set window title
if (is_fullscreen)
glutFullScreen();
glEnable(GL_NORMALIZE);
glEnable(GL_DEPTH_TEST); // enable z-buffer
glClearColor(0.0, 0.0, 0.0, 0.0); // set clear color to black
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient); // set the default ambient color
glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE); // allow glColor to set ambient and diffuse colors of geometry
// Generate light source:
glEnable(GL_LIGHTING); // enables lighting; this changes the behavior of glColor
glEnable(GL_LIGHT0); // enable a light source; otherwise you will only see ambient light
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_TEXTURE_2D);
glLightfv(GL_LIGHT0, GL_DIFFUSE, light0_diffuse);
glLightfv(GL_LIGHT0, GL_SPECULAR, light0_specular);
glLightfv(GL_LIGHT0, GL_SHININESS, light0_shininess);
glLightfv(GL_LIGHT0, GL_POSITION, light0_position);
// Install callback functions:
glutDisplayFunc(window::displayCallback);
glutReshapeFunc(window::reshapeCallback);
glutIdleFunc(window::idleCallback);
glutMouseFunc(processMouse);
glutMotionFunc(processMotion);
glutKeyboardFunc(keyDown);
glutKeyboardUpFunc(keyUp);
// Initialize cube matrix:
character.getMatrix().identity();
all.getMatrix().identity();
cube.getMatrix().identity();
cube1.getMatrix().identity();
cube2.getMatrix().identity();
dragon.getMatrix().identity();
base.getMatrix().identity();
temp.getMatrix().identity();
world.getMatrix().identity();
terrain.getMatrix().identity();
rotation.getMatrix().identity();
// Shaders
shader = new Shader(toon_vert,toon_frag,true);
camera.lookAt(p,l,up);
cout << "Loading .obj files" << endl;
objReader.readObj("cow.obj", nVerts, &vertices, &normals, &texcoords, nIndices, &indices);
cout << "Loading texture files" << endl;
loadTexture(texture_array,"desert_front.ppm", SKYFRONT);
loadTexture(texture_array,"desert_back.ppm", SKYBACK);
loadTexture(texture_array,"desert_left.ppm", SKYLEFT);
loadTexture(texture_array,"desert_right.ppm", SKYRIGHT);
loadTexture(texture_array,"desert_top.ppm", SKYUP);
cout << "Generating terrain1" << endl;
TerrainHelper th1;
th1.terrainLoad(800,800,1);
th1.terrainScale(0,TERRAIN_ONE_HEIGHT);
TERRAIN_ONE_ID = th1.terrainCreateDL(0,0,0);
cout << "Generating terrain2" << endl;
TerrainHelper th2;
th2.terrainLoad(800,800,1);
th2.terrainScale(0, TERRAIN_TWO_HEIGHT);
TERRAIN_TWO_ID = th2.terrainCreateDL(0,0,0);
cout << "Generating terrain3" << endl;
TerrainHelper th3;
th3.terrainLoad(800, 800,1);
th3.terrainScale(0,TERRAIN_THREE_HEIGHT);
TERRAIN_THREE_ID = th3.terrainCreateDL(0,0,0);
CURRENT_TERRAIN_ID = TERRAIN_ONE_ID;
cout << "Creating world" << endl;
createWorld();
//cout << "initializing particles" << endl;
//initParticles(0.0,0.0,0.0);
glutMainLoop();
return 0;
}
int WaveObjLoader::loadObject(const char* filename, Cube cubeForObject)
{
std::vector<std::string*> coord; //read every single line of the obj file as a string
std::vector<coordinate*> vertex;
std::vector<face*> faces;
std::vector<coordinate*> normals; //normal vectors for every face
std::ifstream in(filename); //open the .obj file
if(!in.is_open()) //if not opened, exit with -1
{
std::cout << "Nor oepened" << std::endl;
return -1;
}
char buf[256];
//read in every line to coord
while(!in.eof())
{
in.getline(buf,256);
coord.push_back(new std::string(buf));
}
//go through all of the elements of coord, and decide what kind of element is that
for(int i=0;i<coord.size();i++)
{
if(coord[i]->c_str()[0]=='#') //if it is a comment (the first character is #)
continue; //we don't care about that
else if(coord[i]->c_str()[0]=='v' && coord[i]->c_str()[1]==' ') //if vector
{
float tmpx,tmpy,tmpz;
sscanf(coord[i]->c_str(),"v %f %f %f",&tmpx,&tmpy,&tmpz); //read in the 3 float coordinate to tmpx,tmpy,tmpz
vertex.push_back(new coordinate(tmpx,tmpy,tmpz)); //and then add it to the end of our vertex list
}else if(coord[i]->c_str()[0]=='v' && coord[i]->c_str()[1]=='n') //if normal vector
{
float tmpx,tmpy,tmpz; //do the same thing
sscanf(coord[i]->c_str(),"vn %f %f %f",&tmpx,&tmpy,&tmpz);
normals.push_back(new coordinate(tmpx,tmpy,tmpz));
}else if(coord[i]->c_str()[0]=='f') //if face
{
int a,b,c,d,e;
if(count(coord[i]->begin(),coord[i]->end(),' ')==3) //if it is a triangle (it has 3 space in it)
{
sscanf(coord[i]->c_str(),"f %d//%d %d//%d %d//%d",&a,&b,&c,&b,&d,&b);
faces.push_back(new face(b,a,c,d)); //read in, and add to the end of the face list
}else{
sscanf(coord[i]->c_str(),"f %d//%d %d//%d %d//%d %d//%d",&a,&b,&c,&b,&d,&b,&e,&b);
faces.push_back(new face(b,a,c,d,e)); //do the same, except we call another constructor, and we use different pattern
}
}
}
//raw
glLoadMatrixd(cubeForObject.getMatrix().getPointer());
int num; //the id for the list
num=glGenLists(1); //generate a uniqe
glNewList(num,GL_COMPILE); //and create it
for(int i=0;i<faces.size();i++)
{
if(faces[i]->four) //if it's a quad draw a quad
{
glBegin(GL_QUADS);
//basically all I do here, is use the facenum (so the number of the face) as an index for the normal, so the 1st normal owe to the first face
//I subtract 1 because the index start from 0 in C++
glNormal3f(normals[faces[i]->facenum-1]->x,normals[faces[i]->facenum-1]->y,normals[faces[i]->facenum-1]->z);
//draw the faces
glVertex3f(vertex[faces[i]->faces[0]-1]->x,vertex[faces[i]->faces[0]-1]->y,vertex[faces[i]->faces[0]-1]->z);
glVertex3f(vertex[faces[i]->faces[1]-1]->x,vertex[faces[i]->faces[1]-1]->y,vertex[faces[i]->faces[1]-1]->z);
glVertex3f(vertex[faces[i]->faces[2]-1]->x,vertex[faces[i]->faces[2]-1]->y,vertex[faces[i]->faces[2]-1]->z);
glVertex3f(vertex[faces[i]->faces[3]-1]->x,vertex[faces[i]->faces[3]-1]->y,vertex[faces[i]->faces[3]-1]->z);
glEnd();
}else{
glBegin(GL_TRIANGLES);
glNormal3f(normals[faces[i]->facenum-1]->x,normals[faces[i]->facenum-1]->y,normals[faces[i]->facenum-1]->z);
glVertex3f(vertex[faces[i]->faces[0]-1]->x,vertex[faces[i]->faces[0]-1]->y,vertex[faces[i]->faces[0]-1]->z);
glVertex3f(vertex[faces[i]->faces[1]-1]->x,vertex[faces[i]->faces[1]-1]->y,vertex[faces[i]->faces[1]-1]->z);
glVertex3f(vertex[faces[i]->faces[2]-1]->x,vertex[faces[i]->faces[2]-1]->y,vertex[faces[i]->faces[2]-1]->z);
glEnd();
}
}
glEndList();
//delete everything to avoid memory leaks
for(int i=0;i<coord.size();i++)
delete coord[i];
for(int i=0;i<faces.size();i++)
delete faces[i];
for(int i=0;i<normals.size();i++)
delete normals[i];
for(int i=0;i<vertex.size();i++)
delete vertex[i];
return num; //return with the id
}