1 files changed, 37 insertions, 0 deletions

diff --git a/source/PluginLua.h b/source/PluginLua.h
index fee9c4986..d5d202bf0 100644
--- a/source/PluginLua.h
+++ b/source/PluginLua.h
@@ -137,6 +137,43 @@ public:
 	Returns true if the hook was added successfully.
 	*/
 	bool AddHookRef(int a_HookType, int a_FnRefIdx);
+	
+	// The following templates allow calls to arbitrary Lua functions residing in the plugin:
+	
+	/// Call a Lua function with 0 args
+	template <typename FnT> bool Call(FnT a_Fn)
+	{
+		cCSLock Lock(m_CriticalSection);
+		return m_LuaState.Call(a_Fn);
+	}
+
+	/// Call a Lua function with 1 arg
+	template <typename FnT, typename ArgT0> bool Call(FnT a_Fn, ArgT0 a_Arg0)
+	{
+		cCSLock Lock(m_CriticalSection);
+		return m_LuaState.Call(a_Fn, a_Arg0);
+	}
+
+	/// Call a Lua function with 2 args
+	template <typename FnT, typename ArgT0, typename ArgT1> bool Call(FnT a_Fn, ArgT0 a_Arg0, ArgT1 a_Arg1)
+	{
+		cCSLock Lock(m_CriticalSection);
+		return m_LuaState.Call(a_Fn, a_Arg0, a_Arg1);
+	}
+
+	/// Call a Lua function with 3 args
+	template <typename FnT, typename ArgT0, typename ArgT1, typename ArgT2> bool Call(FnT a_Fn, ArgT0 a_Arg0, ArgT1 a_Arg1, ArgT2 a_Arg2)
+	{
+		cCSLock Lock(m_CriticalSection);
+		return m_LuaState.Call(a_Fn, a_Arg0, a_Arg1, a_Arg2);
+	}
+
+	/// Call a Lua function with 4 args
+	template <typename FnT, typename ArgT0, typename ArgT1, typename ArgT2, typename ArgT3> bool Call(FnT a_Fn, ArgT0 a_Arg0, ArgT1 a_Arg1, ArgT2 a_Arg2, ArgT3 a_ArgT3)
+	{
+		cCSLock Lock(m_CriticalSection);
+		return m_LuaState.Call(a_Fn, a_Arg0, a_Arg1, a_Arg2, a_Arg3);
+	}
 
 protected:
 	/// Maps command name into Lua function reference