From 011c85517b7460bf24e2c350fcd742006359f71f Mon Sep 17 00:00:00 2001
From: Mario <mario@smbclan.net>
Date: Wed, 4 Nov 2015 18:06:36 +1000
Subject: [PATCH] Add a mutator hook for menu commands

---
 qcsrc/menu/command/menu_cmd.qc |  9 +++++++--
 qcsrc/menu/mutators/events.qh  | 37 ++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 2 deletions(-)
 create mode 100644 qcsrc/menu/mutators/events.qh

diff --git a/qcsrc/menu/command/menu_cmd.qc b/qcsrc/menu/command/menu_cmd.qc
index b3b6e020c..6293241f1 100644
--- a/qcsrc/menu/command/menu_cmd.qc
+++ b/qcsrc/menu/command/menu_cmd.qc
@@ -3,6 +3,8 @@
 #include "../menu.qh"
 #include "../oo/classes.qc"
 
+#include "../mutators/events.qh"
+
 #include "../../common/command/generic.qh"
 
 .entity firstChild, nextSibling;
@@ -38,8 +40,8 @@ float updateConwidths(float width, float height, float pixelheight);
 
 void GameCommand(string theCommand)
 {
-	float argc;
-	argc = tokenize_console(theCommand);
+	int argc = tokenize_console(theCommand);
+	string ss = strtolower(argv(0));
 
 	if (argv(0) == "help" || argc == 0)
 	{
@@ -126,5 +128,8 @@ void GameCommand(string theCommand)
 		return;
 	}
 
+	if(MUTATOR_CALLHOOK(Menu_ConsoleCommand, ss, argc, theCommand)) // handled by a mutator
+		return;
+
 	LOG_INFO(_("Invalid command. For a list of supported commands, try menu_cmd help.\n"));
 }
diff --git a/qcsrc/menu/mutators/events.qh b/qcsrc/menu/mutators/events.qh
new file mode 100644
index 000000000..a3dc720e8
--- /dev/null
+++ b/qcsrc/menu/mutators/events.qh
@@ -0,0 +1,37 @@
+#ifndef MENU_MUTATORS_EVENTS_H
+#define MENU_MUTATORS_EVENTS_H
+
+#include "../../common/mutators/base.qh"
+
+// globals
+
+string cmd_name;
+int cmd_argc;
+string cmd_string;
+
+/**
+ * Called when a menu command is parsed
+ * NOTE: hooks MUST start with if (MUTATOR_RETURNVALUE) return false;
+ * NOTE: return true if you handled the command, return false to continue handling
+ * NOTE: THESE HOOKS MUST NEVER EVER CALL tokenize()
+ * // example:
+ * MUTATOR_HOOKFUNCTION(foo, Menu_ConsoleCommand) {
+ *     if (MUTATOR_RETURNVALUE) return false; // command was already handled
+ *     if (cmd_name == "echocvar" && cmd_argc >= 2) {
+ *         print(cvar_string(argv(1)), "\n");
+ *         return true;
+ *     }
+ *     if (cmd_name == "echostring" && cmd_argc >= 2) {
+ *         print(substring(cmd_string, argv_start_index(1), argv_end_index(-1) - argv_start_index(1)), "\n");
+ *         return true;
+ *     }
+ *     return false;
+ * }
+ */
+#define EV_Menu_ConsoleCommand(i, o) \
+	/** command name */ i(string, cmd_name) \
+	/** also, argv() can be used */ i(int, cmd_argc) \
+	/** whole command, use only if you really have to */ i(string, cmd_string) \
+	/**/
+MUTATOR_HOOKABLE(Menu_ConsoleCommand, EV_Menu_ConsoleCommand);
+#endif
-- 
2.39.2