Added textures for sand and accelerator tubes, added crafting recipe for sand tube.

crafts.lua

@@ -137,6 +137,15 @@ if io.open(minetest.get_modpath("pipeworks").."/../technic/init.lua", "r") == ni
 		        { "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting" }
 		},
 	})
+	
+	minetest.register_craft( {
+		output = "pipeworks:sand_tube_000000 2",
+		recipe = {
+		        { "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting" },
+		        { "default:sand", "default:sand", "default:sand" },
+		        { "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting" }
+		},
+	})
 
 	minetest.register_craft( {
 		output = "pipeworks:filter 2",

tubes.lua

@@ -416,15 +416,33 @@ register_tube("pipeworks:detector_tube_off","Detector tube segment",detector_pla
 	mesecons={receptor={state="off",
 				rules=mesecons_rules}}})
 
-register_tube("pipeworks:accelerator_tube","Accelerator pneumatic tube segment",plain_textures,noctr_textures,end_textures,
-		short_texture,inv_texture,
+accelerator_noctr_textures={"pipeworks_accelerator_tube_noctr.png","pipeworks_accelerator_tube_noctr.png","pipeworks_accelerator_tube_noctr.png",
+		"pipeworks_accelerator_tube_noctr.png","pipeworks_accelerator_tube_noctr.png","pipeworks_accelerator_tube_noctr.png"}
+accelerator_plain_textures={"pipeworks_accelerator_tube_plain.png","pipeworks_accelerator_tube_plain.png","pipeworks_accelerator_tube_plain.png",
+		"pipeworks_accelerator_tube_plain.png","pipeworks_accelerator_tube_plain.png","pipeworks_accelerator_tube_plain.png"}
+accelerator_end_textures={"pipeworks_accelerator_tube_end.png","pipeworks_accelerator_tube_end.png","pipeworks_accelerator_tube_end.png",
+		"pipeworks_accelerator_tube_end.png","pipeworks_accelerator_tube_end.png","pipeworks_accelerator_tube_end.png"}
+accelerator_short_texture="pipeworks_accelerator_tube_short.png"
+accelerator_inv_texture="pipeworks_accelerator_tube_inv.png"
+
+register_tube("pipeworks:accelerator_tube","Accelerator pneumatic tube segment",accelerator_plain_textures,
+		accelerator_noctr_textures,accelerator_end_textures,accelerator_short_texture,accelerator_inv_texture,
 		{tube={can_go=function(pos,node,velocity,stack)
 			velocity.speed=velocity.speed+1
 			return notvel(meseadjlist,velocity)
 		end}})
 
-register_tube("pipeworks:sand_tube","Sand pneumatic tube segment",plain_textures,noctr_textures,end_textures,
-		short_texture,inv_texture,
+sand_noctr_textures={"pipeworks_sand_tube_noctr.png","pipeworks_sand_tube_noctr.png","pipeworks_sand_tube_noctr.png",
+		"pipeworks_sand_tube_noctr.png","pipeworks_sand_tube_noctr.png","pipeworks_sand_tube_noctr.png"}
+sand_plain_textures={"pipeworks_sand_tube_plain.png","pipeworks_sand_tube_plain.png","pipeworks_sand_tube_plain.png",
+		"pipeworks_sand_tube_plain.png","pipeworks_sand_tube_plain.png","pipeworks_sand_tube_plain.png"}
+sand_end_textures={"pipeworks_sand_tube_end.png","pipeworks_sand_tube_end.png","pipeworks_sand_tube_end.png",
+		"pipeworks_sand_tube_end.png","pipeworks_sand_tube_end.png","pipeworks_sand_tube_end.png"}
+sand_short_texture="pipeworks_sand_tube_short.png"
+sand_inv_texture="pipeworks_sand_tube_inv.png"
+
+register_tube("pipeworks:sand_tube","Sand pneumatic tube segment",sand_plain_textures,sand_noctr_textures,sand_end_textures,
+		sand_short_texture,sand_inv_texture,
 		{groups={sand_tube=1},
 		tube={can_go=function(pos,node,velocity,stack)
 			return meseadjlist