# HG changeset patch
# User Adam Kaminski <kaminskiadam9@gmail.com>
# Date 1623558639 14400
#      Sun Jun 13 00:30:39 2021 -0400
# Node ID 2e11b023bf1415cae78aee11eb40ada7acbb37e8
# Parent  88ecab1da6d7ebb2a3c66f1b2df17249bf68adc0
Prevent GAMEMODE from removing all or adding more than one of the PLAYERSEARN flags.

diff -r 88ecab1da6d7 -r 2e11b023bf14 src/gamemode.cpp
--- a/src/gamemode.cpp	Sat Jun 12 23:52:34 2021 -0400
+++ b/src/gamemode.cpp	Sun Jun 13 00:30:39 2021 -0400
@@ -351,6 +351,16 @@
 		else
 			sc.ScriptError ( "Unknown option '%s', on line %d in GAMEMODE.", sc.String, sc.Line );
 	}
+
+	// [AK] Get the type of "players earn" flag this game mode is currently using.
+	ULONG ulMask = GMF_PLAYERSEARNKILLS | GMF_PLAYERSEARNFRAGS | GMF_PLAYERSEARNPOINTS | GMF_PLAYERSEARNWINS;
+	ULONG ulEarnFlags = g_GameModes[GameMode].ulFlags & ulMask;
+
+	// [AK] If all of these flags were removed or if more than one was added, then throw an error.
+	if ( ulEarnFlags == 0 )
+		sc.ScriptError( "Players have no way of earning kills, frags, points, or wins in '%s'.", g_GameModes[GameMode].szName );
+	else if (( ulEarnFlags & ( ulEarnFlags - 1 )) != 0 )
+		sc.ScriptError( "There is more than one PLAYERSEARN flag enabled in '%s'.", g_GameModes[GameMode].szName );
 }
 
 //*****************************************************************************