added support for busy animation on non-loading screens

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

diff --git a/src/libgame/system.c b/src/libgame/system.c
index 64aaf0f822210821d3ba5925808d310db6d027e0..f9cc4fe894708219c0f1af1e383c251c10608fab 100644 (file)
--- a/src/libgame/system.c
+++ b/src/libgame/system.c
@@ -103,6 +103,8 @@ void InitProgramInfo(char *argv0, char *config_filename, char *userdata_subdir,
   program.log_file[LOG_OUT_ID] = program.log_file_default[LOG_OUT_ID] = stdout;
   program.log_file[LOG_ERR_ID] = program.log_file_default[LOG_ERR_ID] = stderr;
 
+  program.api_thread_count = 0;
+
   program.headless = FALSE;
 }
 
@@ -271,7 +273,7 @@ void InitGfxClipRegion(boolean enabled, int x, int y, int width, int height)
   gfx.clip_height = height;
 }
 
-void InitGfxDrawBusyAnimFunction(void (*draw_busy_anim_function)(void))
+void InitGfxDrawBusyAnimFunction(void (*draw_busy_anim_function)(boolean))
 {
   gfx.draw_busy_anim_function = draw_busy_anim_function;
 }
@@ -1843,6 +1845,24 @@ void PushUserEvent(int code, int value1, int value2)
   SDL_PushEvent((SDL_Event *)&event);
 }
 
+boolean PendingEscapeKeyEvent(void)
+{
+  if (PendingEvent())
+  {
+    Event event;
+
+    // check if any key press event is pending
+    if (SDL_PeepEvents(&event, 1, SDL_PEEKEVENT, SDL_KEYDOWN, SDL_KEYDOWN) != 1)
+      return FALSE;
+
+    // check if pressed key is "Escape" key
+    if (event.key.keysym.sym == KSYM_Escape)
+      return TRUE;
+  }
+
+  return FALSE;
+}
+
 
 // ============================================================================
 // joystick functions