client/joystick.cpp

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#include "joystick.h"

//GLUT-GUI code stolen from :
//OpenGLUT Joystick Demonstration

const GLfloat Joystick::light_ambient[]  = { 0.0f, 0.0f, 0.0f, 1.0f };
const GLfloat Joystick::light_diffuse[]  = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat Joystick::light_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat Joystick::light_position[] = { 2.0f, 5.0f, 5.0f, 0.0f };

const GLfloat Joystick::mat_ambient[]    = { 0.7f, 0.7f, 0.7f, 1.0f };
const GLfloat Joystick::mat_diffuse[]    = { 0.8f, 0.8f, 0.8f, 1.0f };
const GLfloat Joystick::mat_specular[]   = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat Joystick::high_shininess[] = { 100.0f };

void
Joystick::resize(int width, int height)
{
        ar = (float) width / (float) height;    
}

void
Joystick::drawButton(int button, int down) {
        glPushMatrix();
        glTranslated(-0.9+0.2*button,0.05,0.8);
        glScaled(0.16,0.6,0.16);
        if ( down )
                glColor3d(1.0,0.0,0.0);
        else
                glColor3d(0.4,0.3,0.3);
        glutSolidCube(1.0);
        glPopMatrix();
}

void
Joystick::display(void) {
        glLightfv(GL_LIGHT0, GL_AMBIENT,  light_ambient);
        glLightfv(GL_LIGHT0, GL_DIFFUSE,  light_diffuse);
        glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
        glLightfv(GL_LIGHT0, GL_POSITION, light_position);

        glMaterialfv(GL_FRONT, GL_AMBIENT,   mat_ambient);
        glMaterialfv(GL_FRONT, GL_DIFFUSE,   mat_diffuse);
        glMaterialfv(GL_FRONT, GL_SPECULAR,  mat_specular);
        glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);
                
        glEnable(GL_LIGHTING);
        
        glMatrixMode(GL_PROJECTION);
        glLoadIdentity();
        glTranslated(0.6,0.6,0.0);      
        glFrustum(-ar*sf, ar*sf, -sf, sf, 2.0, 8.0);
        
        glMatrixMode(GL_MODELVIEW);
        glLoadIdentity();
                
        glPushMatrix();
        glTranslated(0.0,-0.5,-4.5);
        glRotated(30,1.0,0.0,0.0);

        glPushMatrix();
        glScaled(2.0,0.5,2.0);
        glColor3d(0.6,0.6,0.5);
        glutSolidCube(1.0);
        glPopMatrix();

        glPushMatrix();
        glRotated(-35.0f*joystickAxis[0],0.0,0.0,1.0);
        glRotated( 35.0f*joystickAxis[1],1.0,0.0,0.0);
        glTranslated(0.0,1.0,0.0);
        glScaled(0.5,2.0,0.5);
        if (joystickAxis[0]!=0.0f || joystickAxis[1]!=0.0f)
                glColor3d(1.0,0.0,0.0);
        else
                glColor3d(0.3,0.3,0.2);
        glutSolidCube(1.0);
        glPopMatrix();

        glPushMatrix();
        glTranslated(0.9*joystickAxis[2],0.0,1.1);
        glScaled(0.2,0.5,0.2);
        glColor3d(0.5,0.9,0.5);
        glutSolidCube(1.0);                        
        glPopMatrix();

        drawButton( 0, joystickButtons&0x0001 );
        drawButton( 1, joystickButtons&0x0002 );
        drawButton( 2, joystickButtons&0x0004 );
        drawButton( 3, joystickButtons&0x0008 );
        drawButton( 4, joystickButtons&0x0010 );
        drawButton( 5, joystickButtons&0x0020 );
        drawButton( 6, joystickButtons&0x0040 );
        drawButton( 7, joystickButtons&0x0080 );
        drawButton( 8, joystickButtons&0x0100 );
        drawButton( 9, joystickButtons&0x0200 );
            
        glPopMatrix();


}

void
Joystick::joystick(unsigned int buttons, int xaxis, int yaxis, int zaxis)
{
        joystickAxis[0] = xaxis/1000.0f;
        joystickAxis[1] = yaxis/1000.0f;
        joystickAxis[2] = zaxis/1000.0f;

        joystickButtons = buttons;

        glutPostRedisplay();
}

        
        
Joystick::Joystick(void) {
        for (int i=0; i<MAX_AXES; ++i)
                joystickAxis[i] = 0.0f;

        joystickButtons = 0;

        ar = 1;
}

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