Block *
click(int x, int y, int *face)
{
GLuint buffer[BUFFER_SIZE];
GLint viewport[4];
GLint hits;
glGetIntegerv(GL_VIEWPORT, viewport);
glSelectBuffer(BUFFER_SIZE, buffer);
glRenderMode(GL_SELECT);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluPickMatrix((GLdouble) x, (GLdouble) (viewport[3]-y), 1.0f, 1.0f, viewport);
gluPerspective(FOV, (GLfloat) (WINDOW_WIDTH/WINDOW_HEIGHT), Z_NEAR, Z_FAR);
glMatrixMode(GL_MODELVIEW);
redraw_world();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
hits=glRenderMode(GL_RENDER);
return processHits(hits, buffer, face);
}
static void
redraw_all(void)
{
ENTER("redraw_all()");
int must_update = 0;
if(zone_to_refresh!=-1) {
gmt_h = -1; /* force redraw time bar */
update_info(zone_to_refresh);
must_update |= redraw_world(zone_to_refresh);
must_update |= update_time(zone_to_refresh);
current_zone = zone_to_refresh;
zone_to_refresh = -1;
}
else {
must_update |= update_time(current_zone);
}
if(must_update) {
update();
}
LEAVE;
}
