int plugin_main(void)
{
int action;
int sleep_time=DEFAULT_WAIT_TIME;
int nb_wanted_polygons=DEFAULT_NB_POLYGONS;
int i;
struct polygon_fifo polygons[NB_SCREENS];
struct polygon_move move[NB_SCREENS]; /* This describes the movement of the leading
polygon, the others just follow */
struct polygon leading_polygon[NB_SCREENS];
FOR_NB_SCREENS(i)
{
#ifdef HAVE_LCD_COLOR
struct screen *display = rb->screens[i];
if (display->is_color)
display->set_background(LCD_BLACK);
#endif
fifo_init(&polygons[i]);
polygon_move_init(&move[i]);
polygon_init(&leading_polygon[i], rb->screens[i]);
}
#ifdef HAVE_LCD_COLOR
struct line_color color;
color_init(&color);
#endif
while (true)
{
FOR_NB_SCREENS(i)
{
struct screen * display=rb->screens[i];
if(polygons[i].nb_items>nb_wanted_polygons)
{ /* We have too many polygons, we must drop some of them */
fifo_pop(&polygons[i]);
}
if(nb_wanted_polygons==polygons[i].nb_items)
{ /* We have the good number of polygons, we can safely drop
the last one to add the new one later */
fifo_pop(&polygons[i]);
}
fifo_push(&polygons[i], &leading_polygon[i]);
/*
* Then we update the leading polygon for the next round acording to
* current move (the move may be altered in case of sreen border
* collision)
*/
polygon_update(&leading_polygon[i], display, &move[i]);
/* Now the drawing part */
#ifdef HAVE_LCD_COLOR
color_apply(&color, display);
#endif
display->clear_display();
polygons_draw(&polygons[i], display);
display->update();
}
#ifdef HAVE_LCD_COLOR
color_change(&color);
#endif
/* Speed handling*/
if (sleep_time<0)/* full speed */
rb->yield();
else
rb->sleep(sleep_time);
action = pluginlib_getaction(TIMEOUT_NOBLOCK,
plugin_contexts, ARRAYLEN(plugin_contexts));
switch(action)
{
case DEMYSTIFY_QUIT:
cleanup(NULL);
return PLUGIN_OK;
case DEMYSTIFY_ADD_POLYGON:
case DEMYSTIFY_ADD_POLYGON_REPEAT:
if(nb_wanted_polygons<MAX_POLYGONS)
++nb_wanted_polygons;
break;
case DEMYSTIFY_REMOVE_POLYGON:
case DEMYSTIFY_REMOVE_POLYGON_REPEAT:
if(nb_wanted_polygons>MIN_POLYGONS)
--nb_wanted_polygons;
break;
case DEMYSTIFY_INCREASE_SPEED:
case DEMYSTIFY_INCREASE_SPEED_REPEAT:
if(sleep_time>=0)
--sleep_time;
break;
case DEMYSTIFY_DECREASE_SPEED:
case DEMYSTIFY_DECREASE_SPEED_REPEAT:
++sleep_time;
break;
default:
if (rb->default_event_handler_ex(action, cleanup, NULL)
== SYS_USB_CONNECTED)
return PLUGIN_USB_CONNECTED;
break;
}
}
}
static void mystify_draw(TWidget *wid, ttk_surface srf)
{
ttk_fillrect(srf, 0, 0, ttk_screen->w, ttk_screen->h, back);
polygons_draw(&polygons, srf);
}
