- double pt[3];
- double viewmat[16], projmat[16];
- int vp[4];
- Ray ray;
-
- y = win_height - y;
-
- glGetDoublev(GL_MODELVIEW_MATRIX, viewmat);
- glGetDoublev(GL_PROJECTION_MATRIX, projmat);
- glGetIntegerv(GL_VIEWPORT, vp);
-
- gluUnProject(x, y, 0, viewmat, projmat, vp, pt, pt + 1, pt + 2);
- ray.origin = Vec3(pt[0], pt[1], pt[2]) * 1000.0f;
-
- gluUnProject(x, y, 1, viewmat, projmat, vp, pt, pt + 1, pt + 2);
- ray.dir = Vec3(pt[0], pt[1], pt[2]) * 1000.0f - ray.origin;
-
- return machine->intersect_gear(ray, &pick_hit);
+ modkeys = 0;
+ SDL_Keymod sdlmod = SDL_GetModState();
+ if(sdlmod & KMOD_SHIFT) {
+ modkeys |= MOD_SHIFT;
+ }
+ if(sdlmod & KMOD_ALT) {
+ modkeys |= MOD_ALT;
+ }
+ if(sdlmod & KMOD_CTRL) {
+ modkeys |= MOD_CTRL;
+ }