added video frame counter (currently not used)

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

diff --git a/src/libgame/system.c b/src/libgame/system.c
index 6f27daf6e94a24461ce60311ce0b1630139fdcba..dc7dba8b2db2c763e19ee8cc274c38d73cc50b06 100644 (file)
--- a/src/libgame/system.c
+++ b/src/libgame/system.c
@@ -570,6 +570,7 @@ void InitVideoBuffer(int width, int height, int depth, boolean fullscreen)
 
   video.window_scaling_available = WINDOW_SCALING_STATUS;
 
+  video.frame_counter = 0;
   video.frame_delay = 0;
   video.frame_delay_value = GAME_FRAME_DELAY;
 
@@ -1576,6 +1577,28 @@ void SetMouseCursor(int mode)
   gfx.cursor_mode_final = mode_final;
 }
 
+void UpdateRawMousePosition(int mouse_x, int mouse_y)
+{
+  // mouse events do not contain logical screen size corrections yet
+  SDLCorrectRawMousePosition(&mouse_x, &mouse_y);
+
+  mouse_x -= video.screen_xoffset;
+  mouse_y -= video.screen_yoffset;
+
+  gfx.mouse_x = mouse_x;
+  gfx.mouse_y = mouse_y;
+}
+
+void UpdateMousePosition(void)
+{
+  int mouse_x, mouse_y;
+
+  SDL_PumpEvents();
+  SDL_GetMouseState(&mouse_x, &mouse_y);
+
+  UpdateRawMousePosition(mouse_x, mouse_y);
+}
+
 
 // ============================================================================
 // audio functions
@@ -1623,6 +1646,11 @@ void SetAudioMode(boolean enabled)
 // event functions
 // ============================================================================
 
+void InitEventFilter(EventFilter filter_function)
+{
+  SDL_SetEventFilter(filter_function, NULL);
+}
+
 boolean PendingEvent(void)
 {
   return (SDL_PollEvent(NULL) ? TRUE : FALSE);
@@ -1638,6 +1666,11 @@ void PeekEvent(Event *event)
   SDL_PeepEvents(event, 1, SDL_PEEKEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT);
 }
 
+void PumpEvents(void)
+{
+  SDL_PumpEvents();
+}
+
 void CheckQuitEvent(void)
 {
   if (SDL_QuitRequested())