X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Ffiles.c;h=fa807e8f323dd0161959467fb6553ca5a703da52;hp=54835e281f2136a93ba98abcf09ad7b074e122c8;hb=90cd4dc88df3f891ecaa0ee9b9010fe432154503;hpb=93238afc02a67c4f96642ba56ae57a270bec7037

diff --git a/src/files.c b/src/files.c
index 54835e28..fa807e8f 100644
--- a/src/files.c
+++ b/src/files.c
@@ -1733,6 +1733,9 @@ static void setLevelInfoToDefaults_Level(struct LevelInfo *level)
   // set all bug compatibility flags to "false" => do not emulate this bug
   level->use_action_after_change_bug = FALSE;
 
+  // other flags that may be set due to certain level properties
+  level->has_mouse_events = FALSE;
+
   if (leveldir_current)
   {
     // try to determine better author name than 'anonymous'
@@ -6561,6 +6564,18 @@ static void LoadLevel_InitCustomElements(struct LevelInfo *level)
       element_info[element].ignition_delay = 8;
     }
   }
+
+  // check for custom elements which have mouse click events defined
+  for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+  {
+    int element = EL_CUSTOM_START + i;
+
+    if (HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ||
+	HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ||
+	HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ||
+	HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X))
+      level->has_mouse_events = TRUE;
+  }
 }
 
 static void LoadLevel_InitElements(struct LevelInfo *level)