diff -r d3228c6a1376 -r a5f5a7cf2b61 src/ai/api/ai_object.hpp
--- a/src/ai/api/ai_object.hpp	Mon Mar 31 17:20:44 2008 +0000
+++ b/src/ai/api/ai_object.hpp	Mon Mar 31 18:33:33 2008 +0000
@@ -45,6 +45,7 @@
 		VehicleID new_vehicle_id;
 		SignID new_sign_id;
 		void *event_data;
+		void *log_data;
 	};
 
 	/**
@@ -156,6 +157,12 @@
 	 * @note NEVER use this yourself in your AI!
 	 */
 	static void ResetInternalPlayerData();
+
+	/**
+	 * Get the pointer to store log message in.
+	 * @note NEVER use this yourself in your AI!
+	 */
+	static void *&GetLogPointer();
 };
 
 #endif /* AI_OBJECT_HPP */