improved synchronization of main game loop

[rocksndiamonds.git] / src / events.c

diff --git a/src/events.c b/src/events.c
index 1afc85d65810bad65fe4cc07c31d36f648438b40..4c71dca04ece48c1d1e0b436656b51234f4c5c90 100644 (file)
--- a/src/events.c
+++ b/src/events.c
@@ -161,8 +161,13 @@ void EventLoop(void)
   {
     if (PendingEvent())                /* got event */
     {
+      // use separate frame delay counter to not reset main delay counter
+      unsigned int sync_frame_delay2 = 0;
+      unsigned int sync_frame_delay_value2 = sync_frame_delay_value;
       Event event;
 
+      ResetDelayCounter(&sync_frame_delay2);
+
       while (NextValidEvent(&event))
       {
        switch (event.type)
@@ -208,9 +213,14 @@ void EventLoop(void)
            HandleOtherEvents(&event);
            break;
        }
+
+       // do not handle events for longer than standard frame delay period
+       if (DelayReached(&sync_frame_delay2, sync_frame_delay_value2))
+         break;
       }
     }
-    else
+
+    // always handle non-event game actions for every game frame interval
     {
       if (game_status == GAME_MODE_TITLE)
       {