void MapViewer::refocus_map() {
//Get the object
ObjectManager& object_manager = ObjectManager::get_instance();
if (map_focus_object == 0) {
LOG(INFO) << "MapViewer::refocus_map: No focus.";
return;
}
std::shared_ptr<Sprite> sprite = object_manager.get_object<Sprite>(map_focus_object);
// If such an sprite exists, move the map to it
if (sprite) {
set_display_x(centre_point_in_range(
// half-tile offset to take centre of sprite
/* point */ float(sprite->get_position().x) + 0.5f,
/* length */ float(map->get_width()),
/* bound */ get_display_width()
));
set_display_y(centre_point_in_range(
// half-tile offset to take centre of sprite
/* point */ float(sprite->get_position().y) + 0.5f,
/* length */ float(map->get_height()),
/* bound */ get_display_height()
));
} else {
LOG(INFO) << "MapViewer::refocus_map: No sprites have focus.";
}
Engine::text_updater();
}
void perspective_camera::calculate_view()
{
// calculate subpixel pitch
m_pixel_pitch = std::tanf((m_vertical_fov * degrees_to_radians) * 0.5) / (get_display_height() * 0.5);
m_subpixel_pitch = (1.0 / m_sample_rate) * m_pixel_pitch;
// first calculate the top and left edge
m_origin_pixel.y = std::tanf((m_vertical_fov * degrees_to_radians) * 0.5);
m_origin_pixel.x = -(m_origin_pixel.y * get_aspect_ratio());
// advance the top left corner half the pixel pitch to the right and to the bottom
// origin pixel is situated at the top left. we can derive the other pixels by adding and multiplying by pixel pitch
//m_origin_pixel.x += (m_pixel_pitch * 0.5);
//m_origin_pixel.y -= (m_pixel_pitch * 0.5);
}
int
get_optimal_height(int h)
{
int height, dh;
resize_inc = get_height_inc();
/* readjust height to new resize_inc, +5 prevents the window
* from getting too small */
height = (h / resize_inc) * resize_inc + 5;
if (!height)
height = resize_inc;
dh = get_display_height() - (opt_y_orig + opt_bw);
if (height > dh)
height = (dh / resize_inc) * resize_inc + 5;
return height;
}
const ray& perspective_camera::generate_ray(ray& out, const unsigned int x, const unsigned int y, const unsigned int sx, const unsigned int sy)
{
// maximum x is (get_display_width - 1)
// maximum y is (get_display_height - 1)
assert(x < get_display_width());
assert(y < get_display_height());
out.m_origin = get_eye();
// calculate pixel coordinates by offsetting origin pixel
point3 subpixel(m_origin_pixel.x + (m_pixel_pitch * x), m_origin_pixel.y - (m_pixel_pitch * y), -1.0); // z = -1 because we are using the RH coordinate system
subpixel.x = subpixel.x + ((m_subpixel_pitch * sx) + (m_subpixel_pitch * 0.5));
subpixel.y = subpixel.y + ((m_subpixel_pitch * sy) + (m_subpixel_pitch * 0.5));
out.m_direction = subpixel - out.m_origin;
normalize(out.m_direction, out.m_direction);
return out;
}
int
main(int argc, char *argv[])
{
KeySym key;
XEvent event;
int hidden = 1;
int fullscreen = 0;
int i, tmp;
int old_height = 0;
Window tmpwin, last_focused, current_focused;
XWindowAttributes wa;
/* strip the path from argv[0] if there is one */
progname = strrchr(argv[0], '/');
if (!progname)
progname = argv[0];
else
progname++;
for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "-h")) {
printf("%s:\n"
"-e: program to execute\n"
"you can configure me via xresources:\n"
"%s*foo:value\n"
"foo can be any standard xterm/urxvt/st xresource or:\n"
"resource default value\n\n"
"term: xterm\n"
"restart: 0\n"
"xOffset: 0\n"
"yOffset: 0\n"
"xrandrSupport: 0\n"
"screenWidth: Display width\n"
"consoleHeight: 10\n"
"aniDelay: 40\n"
"stepSize; 1\n"
"toggleKey: ControlAlt+y\n"
"keySmaller: Control+KP_Subtract\n"
"keyBigger: Control+KP_Add\n" "keyFull: Alt+F11\n", progname, progname);
exit(0);
}
}
if (!(dpy = XOpenDisplay(NULL))) {
fprintf(stderr, " can not open dpy %s", XDisplayName(NULL));
}
screen = DefaultScreen(dpy);
root = RootWindow(dpy, screen);
XSetErrorHandler(handle_xerror);
cursor = XCreateFontCursor(dpy, XC_double_arrow);
get_defaults();
init_win();
init_command(argc, argv);
init_xterm(1);
while (1) {
XNextEvent(dpy, &event);
switch (event.type) {
case FocusOut:
/* Always keep input focus when visible */
if (!hidden)
XSetInputFocus(dpy, termwin, RevertToPointerRoot, CurrentTime);
break;
case EnterNotify:
XSetInputFocus(dpy, termwin, RevertToPointerRoot, CurrentTime);
XSync(dpy, False);
break;
case LeaveNotify:
if (last_focused && event.xcrossing.detail != NotifyInferior) {
XSetInputFocus(dpy, last_focused, RevertToPointerRoot, CurrentTime);
XSync(dpy, False);
}
break;
case KeyPress:
key = XKeycodeToKeysym(dpy, event.xkey.keycode, 0);
if (key == opt_key) {
if (!hidden) {
XGetInputFocus(dpy, ¤t_focused, &revert_to);
if (last_focused && current_focused == termwin)
XSetInputFocus(dpy, last_focused, RevertToPointerRoot, CurrentTime);
/* else
XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); */
if (opt_step && !fullscreen)
roll(UP);
XUnmapWindow(dpy, win);
hidden = 1;
XSync(dpy, False);
}
else {
XGetInputFocus(dpy, &last_focused, &revert_to);
last_focused = get_toplevel_parent(last_focused);
if (opt_step && !fullscreen) {
XGrabServer(dpy);
roll(DOWN);
XUngrabServer(dpy);
}
else if (opt_xrandr)
update_geom(last_focused);
XMoveWindow(dpy, win, opt_x, opt_y);
XMapWindow(dpy, win);
XRaiseWindow(dpy, win);
XSetInputFocus(dpy, termwin, RevertToPointerRoot, CurrentTime);
hidden = 0;
XSync(dpy, False);
XSetInputFocus(dpy, termwin, RevertToPointerRoot, CurrentTime);
XSync(dpy, False);
}
break;
}
if (!hidden) {
if (key == opt_key_full) {
if (!fullscreen) {
old_height = height;
height = get_optimal_height(get_display_height());
fullscreen = 1;
}
else {
height = old_height;
fullscreen = 0;
}
}
/* update height inc just in case something changed for the
* terminal, i.e. font size */
resize_inc = get_height_inc();
if (key == opt_key_bigger)
height += resize_inc;
if (key == opt_key_smaller)
height -= resize_inc;
if (height < resize_inc)
height = resize_inc;
height = get_optimal_height(height);
resize_term(opt_width, height);
XSetInputFocus(dpy, termwin, RevertToPointerRoot, CurrentTime);
XSync(dpy, False);
}
break;
case ButtonPress:
resize();
XSync(dpy, False);
break;
case UnmapNotify:
if (event.xunmap.window == termwin) {
if (opt_restart) {
if (opt_restart_hidden) {
roll(UP);
hidden = 1;
}
init_xterm(0);
XSync(dpy, False);
if (opt_restart_hidden && last_focused)
XSetInputFocus(dpy, last_focused, RevertToPointerRoot, CurrentTime);
else
XSetInputFocus(dpy, termwin, RevertToPointerRoot, CurrentTime);
}
else {
if (last_focused)
XSetInputFocus(dpy, last_focused, RevertToPointerRoot, CurrentTime);
XSync(dpy, False);
exit(0);
}
}
break;
}
}
return 0;
}
