Model, animate, texture and integrate new subway wagon

engine follows!

advtrains/advtrains_train_subway/init.lua

@@ -1,7 +1,7 @@
 
 advtrains.register_wagon("subway_wagon", {
-	mesh="advtrains_subway_train.b3d",
-	textures = {"advtrains_subway_train.png"},
+	mesh="advtrains_subway_wagon.b3d",
+	textures = {"advtrains_subway_wagon.png"},
 	drives_on={default=true},
 	max_speed=15,
 	seats = {
@@ -17,7 +17,11 @@ advtrains.register_wagon("subway_wagon", {
 	collisionbox = {-1.0,-0.5,-1.0, 1.0,2.5,1.0},
 	is_locomotive=true,
 	drops={"default:steelblock 4"},
-}, "Subway Passenger Wagon", "advtrains_subway_train_inv.png")
+	--custom_on_activate = function(self, dtime_s)
+	--	atprint("subway custom_on_activate")
+	--	self.object:set_animation({x=1,y=80}, 15, 0, true)
+	--end,
+}, "Subway Passenger Wagon", "advtrains_subway_wagon_inv.png")
 
 --wagons
 minetest.register_craft({