Initial commit

lua/includes/extensions/weapon.lua

@@ -0,0 +1,45 @@
+
+AddCSLuaFile()
+
+local meta		= FindMetaTable( "Weapon" )
+local entity	= FindMetaTable( "Entity" )
+
+-- Return if there's nothing to add on to
+if ( !meta ) then return end
+
+--
+-- Entity index accessor. This used to be done in engine, but it's done in Lua now because it's faster
+--
+function meta:__index( key )
+
+	--
+	-- Search the metatable. We can do this without dipping into C, so we do it first.
+	--
+	local val = meta[key]
+	if ( val != nil ) then return val end
+
+	--
+	-- Search the entity metatable
+	--
+	local val = entity[key]
+	if ( val != nil ) then return val end
+
+	--
+	-- Search the entity table
+	--
+	local tab = entity.GetTable( self )
+	if ( tab != nil ) then
+		local val = tab[ key ]
+		if ( val != nil ) then return val end
+	end
+
+	--
+	-- Legacy: sometimes use self.Owner to get the owner.. so lets carry on supporting that stupidness
+	-- This needs to be retired, just like self.Entity was.
+	--
+	if ( key == "Owner" ) then return entity.GetOwner( self ) end
+	
+	return nil
+	
+end
+