added event result types

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40489

plugins/include/core.inc

@@ -24,6 +24,16 @@ struct PlVers
 	version,
 };
 
+/**
+ * Specifies what to do after a hook completes.
+ */
+enum Result
+{
+	Plugin_Continue = 0,	/**< Continue with the original action */
+	Plugin_Handled = 3,		/**< Handle the action at the end (don't call it) */
+	Plugin_Stop = 4,		/**< Immediately stop the hook chain and handle the original */
+}
+
 public PlVers:__version = 
 {
 	version = SOURCEMOD_PLUGINAPI_VERSION,