/* Initialises texturing, lighting, display lists, and everything else
associated with the model. */
void
myinit(void)
{
GLfloat mat_specular[] = {1.0, 1.0, 1.0, 1.0};
GLfloat mat_shininess[] = {50.0};
GLfloat light_position1[] = {1.0, 1.0, 1.0, 0.0};
GLfloat light_position2[] = {-1.0, 1.0, 1.0, 0.0};
glClearColor(0.0, 0.0, 0.0, 0.0);
obj = gluNewQuadric();
make_table();
make_image();
/* Set up Texturing */
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexImage2D(GL_TEXTURE_2D, 0, 3, IMAGE_WIDTH,
IMAGE_HEIGHT, 0, GL_RGB, GL_UNSIGNED_BYTE,
image);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
/* Set up Lighting */
glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
glLightfv(GL_LIGHT0, GL_POSITION, light_position1);
glLightfv(GL_LIGHT1, GL_POSITION, light_position2);
/* Initial render mode is with full shading and LIGHT 0
enabled. */
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glDepthFunc(GL_LEQUAL);
glEnable(GL_DEPTH_TEST);
glDisable(GL_ALPHA_TEST);
glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
glEnable(GL_COLOR_MATERIAL);
glShadeModel(GL_SMOOTH);
/* Initialise display lists */
glNewList(list_piston_shaded, GL_COMPILE);
draw_piston();
glEndList();
glNewList(list_flywheel_shaded, GL_COMPILE);
draw_flywheel();
glEndList();
gluQuadricTexture(obj, GL_TRUE);
glNewList(list_piston_texture, GL_COMPILE);
draw_piston();
glEndList();
glNewList(list_flywheel_texture, GL_COMPILE);
draw_flywheel();
glEndList();
gluQuadricTexture(obj, GL_FALSE);
}
void az_draw_bad_incorporeal_piston(
const az_baddie_t *baddie, float frozen, az_clock_t clock) {
assert(baddie->kind == AZ_BAD_INCORPOREAL_PISTON ||
baddie->kind == AZ_BAD_INCORPOREAL_PISTON_EXT);
assert(frozen == 0);
assert(baddie->armor_flare == 0);
draw_piston(baddie, az_color3f(0.2, 0.2, 0.2), az_color3f(0.1, 0.1, 0.1));
}
void az_draw_bad_piston(
const az_baddie_t *baddie, float frozen, az_clock_t clock) {
assert(baddie->kind == AZ_BAD_PISTON);
const float flare = baddie->armor_flare;
draw_piston(baddie,
az_color3f(0.65f + 0.35f * flare, 0.65f + 0.2f * frozen,
0.7f + 0.3f * frozen),
az_color3f(0.25f + 0.5f * flare, 0.25f + 0.15f * frozen,
0.3f + 0.2f * frozen));
}
/* Draws the crank bell, and the pivot pin for the piston. Also calls the
appropreate display list of a piston doing the nesacary rotations before
hand. */
void
draw_crankbell(void)
{
glPushMatrix();
glColor4f(1.0, 0.5, 0.5, 1.0);
glRotatef(90, 0.0, 1.0, 0.0);
myCylinder(obj, 0.3, 0.08, 0.12);
glColor4f(0.5, 0.1, 0.5, 1.0);
glTranslatef(0.0, 0.2, 0.0);
myCylinder(obj, 0.06, 0.0, 0.34);
glTranslatef(0.0, 0.0, 0.22);
glRotatef(90, 0.0, 1.0, 0.0);
glRotatef(crank_angle - head_angle, 1.0, 0.0, 0.0);
if (shaded) {
if (texture)
glCallList(list_piston_texture);
else
glCallList(list_piston_shaded);
} else
draw_piston();
glPopMatrix();
}
