From 5618003be30951233ea575cca56789f6d32385f5 Mon Sep 17 00:00:00 2001
From: OgelGames <olliverdc28@gmail.com>
Date: Mon, 7 Feb 2022 15:53:29 +1100
Subject: [PATCH] fix remaining `use_texture_alpha` warnings

extension of d2954c52, using the same compatibility check for now, though it would be good to bump the minimum minetest version to 5.4 at some point

fixes #11
---
 devices.lua       | 5 +++++
 routing_tubes.lua | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/devices.lua b/devices.lua
index 6e6b6e4..0acbc76 100644
--- a/devices.lua
+++ b/devices.lua
@@ -1,6 +1,8 @@
 local S = minetest.get_translator("pipeworks")
 local new_flow_logic_register = pipeworks.flowables.register
 
+local texture_alpha_mode = minetest.features.use_texture_alpha_string_modes
+
 local polys = ""
 if pipeworks.enable_lowpoly then polys = "_lowpoly" end
 
@@ -142,6 +144,7 @@ for s in ipairs(states) do
 		drawtype = "mesh",
 		mesh = "pipeworks_pump"..polys..".obj",
 		tiles = { "pipeworks_pump_"..states[s]..".png" },
+		use_texture_alpha = texture_alpha_mode and "clip" or true,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		groups = dgroups,
@@ -286,6 +289,7 @@ minetest.register_node("pipeworks:grating", {
 		"pipeworks_grating_sides.png",
 		"pipeworks_grating_sides.png"
 	},
+	use_texture_alpha = texture_alpha_mode and "clip" or true,
 	drawtype = "nodebox",
 	node_box = {
 		type = "fixed",
@@ -357,6 +361,7 @@ minetest.register_node(nodename_spigot_loaded, {
 		},
 		{ name = "pipeworks_spigot.png" }
 	},
+	use_texture_alpha = texture_alpha_mode and "blend" or true,
 	sunlight_propagates = true,
 	paramtype = "light",
 	paramtype2 = "facedir",
diff --git a/routing_tubes.lua b/routing_tubes.lua
index e7bc596..a99d1c3 100644
--- a/routing_tubes.lua
+++ b/routing_tubes.lua
@@ -163,11 +163,15 @@ if pipeworks.enable_crossing_tube then
 	})
 end
 
+local texture_alpha_mode = minetest.features.use_texture_alpha_string_modes
+	and "clip" or true
+
 if pipeworks.enable_one_way_tube then
 	minetest.register_node("pipeworks:one_way_tube", {
 		description = S("One way tube"),
 		tiles = {"pipeworks_one_way_tube_top.png", "pipeworks_one_way_tube_top.png", "pipeworks_one_way_tube_output.png",
 			"pipeworks_one_way_tube_input.png", "pipeworks_one_way_tube_side.png", "pipeworks_one_way_tube_top.png"},
+		use_texture_alpha = texture_alpha_mode,
 		paramtype2 = "facedir",
 		drawtype = "nodebox",
 		paramtype = "light",