stop using self in class functions

sim/wire.lua

@@ -22,34 +22,34 @@ function Wire.new(self, objref, layer, bounds)
 	return o
 end
 
-function Wire.setlayer(self, layer)
-	if self.group ~= nil then
-		Group.removewire(self.group, self)
+function Wire.setlayer(wire, layer)
+	if wire.group ~= nil then
+		Group.removewire(wire.group, wire)
 	end
-	self.layer = layer
-	Simulation.connectwire(GSim, self)
+	wire.layer = layer
+	Simulation.connectwire(GSim, wire)
 end
 
-function Wire.update(self)
-	client:send("WU\t" .. bool_to_int[self.group.state] .. "\t" .. self.objref .. "\n")
+function Wire.update(wire)
+	client:send("WU\t" .. bool_to_int[wire.group.state] .. "\t" .. wire.objref .. "\n")
 end
 
-function Wire.setgroup(self, group)
-	self.group = group
+function Wire.setgroup(wire, group)
+	wire.group = group
 end
 
-function Wire.getgroup(self)
-	return self.group
+function Wire.getgroup(wire)
+	return wire.group
 end
 
-function Wire.getobjref(self)
-	return self.objref
+function Wire.getobjref(wire)
+	return wire.objref
 end
 
-function Wire.getlayer(self)
-	return self.layer
+function Wire.getlayer(wire)
+	return wire.layer
 end
 
-function Wire.getbounds(self)
-	return self.bounds
+function Wire.getbounds(wire)
+	return wire.bounds
 end