added dirty workaround to open program window on specified display

[rocksndiamonds.git] / src / libgame / misc.c

diff --git a/src/libgame/misc.c b/src/libgame/misc.c
index 7b82420cf6dade4071cbc3a4571ecfcf1b0ac408..b1f4b66c755555bca3a567e915171333a1fa3950 100644 (file)
--- a/src/libgame/misc.c
+++ b/src/libgame/misc.c
@@ -641,8 +641,8 @@ void Delay(unsigned int delay)      // Sleep specified number of milliseconds
   sleep_milliseconds(delay);
 }
 
-boolean DelayReachedExt(unsigned int *counter_var, unsigned int delay,
-                       unsigned int actual_counter)
+boolean DelayReachedExt2(unsigned int *counter_var, unsigned int delay,
+                        unsigned int actual_counter)
 {
   if (actual_counter >= *counter_var &&
       actual_counter < *counter_var + delay)
@@ -653,34 +653,40 @@ boolean DelayReachedExt(unsigned int *counter_var, unsigned int delay,
   return TRUE;
 }
 
-boolean FrameReached(unsigned int *frame_counter_var, unsigned int frame_delay)
+boolean DelayReachedExt(DelayCounter *counter, unsigned int actual_counter)
 {
-  return DelayReachedExt(frame_counter_var, frame_delay, FrameCounter);
+  return DelayReachedExt2(&counter->count, counter->value, actual_counter);
 }
 
-boolean DelayReached(unsigned int *counter_var, unsigned int delay)
+boolean FrameReached(DelayCounter *counter)
 {
-  return DelayReachedExt(counter_var, delay, Counter());
+  return DelayReachedExt(counter, FrameCounter);
 }
 
-void ResetDelayCounterExt(unsigned int *counter_var,
-                         unsigned int actual_counter)
+boolean DelayReached(DelayCounter *counter)
 {
-  DelayReachedExt(counter_var, 0, actual_counter);
+  return DelayReachedExt(counter, Counter());
 }
 
-void ResetFrameCounter(unsigned int *frame_counter_var)
+void ResetDelayCounterExt(DelayCounter *counter, unsigned int actual_counter)
 {
-  FrameReached(frame_counter_var, 0);
+  DelayReachedExt2(&counter->count, 0, actual_counter);
 }
 
-void ResetDelayCounter(unsigned int *counter_var)
+void ResetFrameCounter(DelayCounter *counter)
 {
-  DelayReached(counter_var, 0);
+  ResetDelayCounterExt(counter, FrameCounter);
 }
 
-int WaitUntilDelayReached(unsigned int *counter_var, unsigned int delay)
+void ResetDelayCounter(DelayCounter *counter)
 {
+  ResetDelayCounterExt(counter, Counter());
+}
+
+int WaitUntilDelayReached(DelayCounter *counter)
+{
+  unsigned int *counter_var = &counter->count;
+  unsigned int delay = counter->value;
   unsigned int actual_counter;
   int skip_frames = 0;
 
@@ -711,22 +717,22 @@ int WaitUntilDelayReached(unsigned int *counter_var, unsigned int delay)
   return skip_frames;
 }
 
-void SkipUntilDelayReached(unsigned int *counter_var, unsigned int delay,
+void SkipUntilDelayReached(DelayCounter *counter,
                           int *loop_var, int last_loop_value)
 {
-  int skip_frames = WaitUntilDelayReached(counter_var, delay);
+  int skip_frames = WaitUntilDelayReached(counter);
 
 #if 0
 #if DEBUG
   if (skip_frames)
     Debug("internal:SkipUntilDelayReached",
          "%d: %d ms -> SKIP %d FRAME(S) [%d ms]",
-         *loop_var, delay,
-         skip_frames, skip_frames * delay);
+         *loop_var, counter->value,
+         skip_frames, skip_frames * counter->value);
   else
     Debug("internal:SkipUntilDelayReached",
          "%d: %d ms",
-         *loop_var, delay);
+         *loop_var, counter->value);
 #endif
 #endif
 
@@ -1344,6 +1350,8 @@ void GetOptions(int argc, char *argv[],
   options.identifier = NULL;
   options.level_nr = NULL;
 
+  options.display_nr = 0;
+
   options.mytapes = FALSE;
   options.serveronly = FALSE;
   options.network = FALSE;
@@ -1543,6 +1551,28 @@ void GetOptions(int argc, char *argv[],
       if (option_arg == next_option)
        options_left++;
     }
+    else if (strncmp(option, "-display", option_len) == 0)
+    {
+      if (option_arg == NULL)
+       FailWithHelp("option '%s' requires an argument", option_str);
+
+      if (option_arg == next_option)
+       options_left++;
+
+      int display_nr = atoi(option_arg);
+
+#if 1
+      // dirty hack: SDL_GetNumVideoDisplays() seems broken on some systems
+      options.display_nr = display_nr;
+#else
+      options.display_nr =
+       MAX(0, MIN(display_nr, SDL_GetNumVideoDisplays() - 1));
+
+      if (display_nr != options.display_nr)
+       Warn("invalid display %d -- using display %d",
+            display_nr, options.display_nr);
+#endif
+    }
 #if defined(PLATFORM_MAC)
     else if (strPrefix(option, "-psn"))
     {