* Draw a floor by looping over the floorSize and squareSize variables
*/
void drawFloor() {
- getTexture(2);
- glBegin(GL_QUADS);
+ if ( currentGroundTexture == 0 ) {
+ getTexture(1);
+ glBindTexture(GL_TEXTURE_2D, 1);
+ } else {
+ getTexture(currentGroundTexture);
+ glBindTexture(GL_TEXTURE_2D, currentGroundTexture);
+ }
+
+ glBegin(GL_QUADS);
+
for ( int x = -floorSize; x < floorSize; x++ ) {
for ( int z = -floorSize; z < floorSize; z++ ) {
glColor3f( 1.0, 1.0, 1.0 );
- glNormal3d(0, 0, 1);
-
- glTexCoord2f( (x+1)*squareSize, (z+1)*squareSize );
+
+ glNormal3i( 1, 1, 0 );
+ glTexCoord2f( 1.0, 1.0 );
glVertex3f ( (x+1)*squareSize, 0.0, (z+1)*squareSize );
- glTexCoord2f( (x+1)*squareSize, z*squareSize );
+ glNormal3i( 1, 1, 0 );
+ glTexCoord2f( 1.0, 0.0 );
glVertex3f ( (x+1)*squareSize, 0.0, z*squareSize );
- glTexCoord2f( x*squareSize, z*squareSize );
+ glNormal3i( 1, 1, 0 );
+ glTexCoord2f( 0.0, 0.0 );
glVertex3f ( x*squareSize, 0.0, z*squareSize );
- glTexCoord2f( x*squareSize, (z+1)*squareSize );
+ glNormal3i( 1, 1, 0 );
+ glTexCoord2f( 0.0, 1.0 );
glVertex3f ( x*squareSize, 0.0, (z+1)*squareSize );
}
}
+
glEnd();
+
+ if ( currentGroundTexture != 0 ) {
+ glBindTexture(GL_TEXTURE_2D, 0);
+ }
}
/**
glDisable(GL_BLEND);
glEnable(GL_LIGHTING);
glEnable(GL_TEXTURE_2D);
+}
+
+int addSceneObject(int id) {
+ // **NOTE: Currently only adds the teapot
+
+ curObject = nObjects;
+
+ sceneObjs[nObjects].mesh = -1; // Teapot is -1 mesh
+ sceneObjs[nObjects].texture.id = -1; // No texture
+ sceneObjs[nObjects].texture.scale = 1;
+ sceneObjs[nObjects].x = 0;
+ sceneObjs[nObjects].y = 0;
+ sceneObjs[nObjects].z = 0;
+
+ sceneObjs[nObjects].scale[0] = 1;
+ sceneObjs[nObjects].scale[1] = 1;
+ sceneObjs[nObjects].scale[2] = 1;
+
+ sceneObjs[nObjects].rotation.x = 0;
+ sceneObjs[nObjects].rotation.y = 0;
+ sceneObjs[nObjects].rotation.z = 0;
+
+ nObjects += 1; // New object in scene
+
+ return nObjects;
+}
+
+void initializeLights() {
+ glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT, materialAmbient );
+ glMaterialfv( GL_FRONT_AND_BACK, GL_DIFFUSE, materialDiffuse );
+ glMaterialfv( GL_FRONT_AND_BACK, GL_SPECULAR, materialSpecular );
+ glMaterialf ( GL_FRONT_AND_BACK, GL_SHININESS, materialShine );
+
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lightGlobalModel);
+ glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
+
+ for ( int i = 0; i < LIGHTS; i++ ) {
+
+ memcpy( lightObjs[i].position, defaultPosition, sizeof(GLfloat) * 4 );
+ memcpy( lightObjs[i].ambient, defaultAmbient, sizeof(GLfloat) * 4 );
+ memcpy( lightObjs[i].diffuse, defaultDiffuse, sizeof(GLfloat) * 4 );
+ memcpy( lightObjs[i].specular, defaultSpecular, sizeof(GLfloat) * 4 );
+ memcpy( lightObjs[i].direction, defaultDirection, sizeof(GLfloat) * 3 );
+
+ lightObjs[i].cutoff = defaultCutoff;
+ lightObjs[i].exponent = defaultExponent;
+ }
+
+}
+
+void updateLights() {
+ glDisable(GL_LIGHTING);
+
+ for ( int i = 0; i < LIGHTS; i++ ) {
+ glDisable( GL_LIGHT0 + i );
+
+ glLightfv( GL_LIGHT0 + i, GL_POSITION, lightObjs[i].position );
+ glLightfv( GL_LIGHT0 + i, GL_AMBIENT, lightObjs[i].ambient );
+ glLightfv( GL_LIGHT0 + i, GL_DIFFUSE, lightObjs[i].diffuse );
+ glLightfv( GL_LIGHT0 + i, GL_SPECULAR, lightObjs[i].specular );
+ glLightfv( GL_LIGHT0 + i, GL_SPOT_DIRECTION, lightObjs[i].direction );
+
+ glLightf ( GL_LIGHT0 + i, GL_SPOT_CUTOFF, lightObjs[i].cutoff );
+ glLighti ( GL_LIGHT0 + i, GL_SPOT_EXPONENT, lightObjs[i].exponent );
+
+ glEnable ( GL_LIGHT0 + i );
+
+ // Draw light ball for light
+ glPushMatrix();
+ glColor3f(0.0, 1.0, 1.0);
+ glTranslatef(lightObjs[i].position[0], lightObjs[i].position[1], lightObjs[i].position[2]);
+ glutSolidSphere(lightBallSize, 20, 20);;
+ glPopMatrix();
+
+ }
+
+ glEnable(GL_LIGHTING);
+}
+
+/**
+ * Sets variables to the state they are in to begin with.
+ */
+void initializeState() {
+ /* Initial light 0 position. */
+ lightObjs[0].position[0] = 4;
+ lightObjs[0].position[1] = 5;
+ lightObjs[0].position[2] = 6;
+ lightObjs[0].position[3] = 0.0;
+
+ /* Initial light 1 position. */
+ lightObjs[1].position[0] = -4;
+ lightObjs[1].position[1] = 5;
+ lightObjs[1].position[2] = -6;
+ lightObjs[1].position[3] = 0.0;
+
+ /* Initial floor texture */
+ // **NOTE: Commented out while testing lighting
+ //currentGroundTexture = 5;
}
\ No newline at end of file