From 0d68e084b810972ab0bc47d726b21bc886a235fe Mon Sep 17 00:00:00 2001
From: whiteshark0 <whiteshark0@b956fd51-792f-4845-bead-9b4dfca2ff2c>
Date: Mon, 4 May 2009 12:44:57 +0000
Subject: prevent functions from plugins w/ unopened lua state from being
 called

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/branches/experimental@1711 b956fd51-792f-4845-bead-9b4dfca2ff2c
---
 Lua/src/lua/ULuaCore.pas | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Lua/src/lua/ULuaCore.pas b/Lua/src/lua/ULuaCore.pas
index 5c6f2463..c5b3a590 100644
--- a/Lua/src/lua/ULuaCore.pas
+++ b/Lua/src/lua/ULuaCore.pas
@@ -644,6 +644,8 @@ begin
   Self.ErrorCount := 0;
   Self.sName := 'not registred';
   Self.sStatus := psNone;
+
+  State := nil; //< to prevent calls to unopened state
 end;
 
 destructor TLuaPlugin.Destroy;
@@ -753,7 +755,7 @@ end;
 function TLuaPlugin.CallFunctionByName(Name: String; const nArgs: Integer; const nResults: Integer; const ReportErrors: Boolean): Boolean;
 begin
   Result := false;
-  if not bPaused then
+  if (not bPaused) and (State <> nil) then
   begin
     // we need at least one stack slot free
     lua_checkstack(State, 1);
-- 
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