Update use_texture_alpha to the minetest 5.4 conventions

mods/ENTITIES/mobs_mc/2_throwing.lua

@@ -39,6 +39,7 @@ minetest.register_node("mobs_mc:arrow_box", {
 		}
 	},
 	tiles = {"mcl_bows_arrow.png^[transformFX", "mcl_bows_arrow.png^[transformFX", "mcl_bows_arrow_back.png", "mcl_bows_arrow_front.png", "mcl_bows_arrow.png", "mcl_bows_arrow.png^[transformFX"},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	paramtype = "light",
 	paramtype2 = "facedir",
 	sunlight_propagates = true,

mods/ITEMS/REDSTONE/mcl_comparators/init.lua

@@ -246,6 +246,7 @@ for _, state in pairs{mesecon.state.on, mesecon.state.off} do
 		_doc_items_usagehelp = usagehelp,
 		drawtype = "nodebox",
 		tiles = get_tiles(state_strs[state], mode),
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 		wield_image = "mcl_comparators_off.png",
 		walkable = true,
 		selection_box = collision_box,

mods/ITEMS/REDSTONE/mesecons_delayer/init.lua

@@ -246,7 +246,8 @@ minetest.register_node("mesecons_delayer:delayer_off_"..tostring(i), {
 		"mesecons_delayer_sides_off.png",
 		"mesecons_delayer_ends_off.png",
 		"mesecons_delayer_ends_off.png",
-		},
+	},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	wield_image = "mesecons_delayer_off.png",
 	walkable = true,
 	selection_box = {
@@ -315,7 +316,8 @@ minetest.register_node("mesecons_delayer:delayer_on_"..tostring(i), {
 		"mesecons_delayer_sides_on.png",
 		"mesecons_delayer_ends_on.png",
 		"mesecons_delayer_ends_on.png",
-		},
+	},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	walkable = true,
 	selection_box = {
 		type = "fixed",
@@ -391,7 +393,8 @@ minetest.register_node("mesecons_delayer:delayer_off_locked", {
 		"mesecons_delayer_sides_locked_off.png",
 		"mesecons_delayer_front_locked_off.png",
 		"mesecons_delayer_end_locked_off.png",
-		},
+	},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	wield_image = "mesecons_delayer_locked_off.png",
 	walkable = true,
 	selection_box = {
@@ -443,7 +446,8 @@ minetest.register_node("mesecons_delayer:delayer_on_locked", {
 		"mesecons_delayer_sides_locked_on.png",
 		"mesecons_delayer_front_locked_on.png",
 		"mesecons_delayer_end_locked_on.png",
-		},
+	},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	walkable = true,
 	selection_box = {
 		type = "fixed",

mods/ITEMS/REDSTONE/mesecons_walllever/init.lua

@@ -32,6 +32,7 @@ minetest.register_node("mesecons_walllever:wall_lever_off", {
 	tiles = {
 		"jeija_wall_lever_lever_light_on.png",
 	},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	inventory_image = "jeija_wall_lever.png",
 	wield_image = "jeija_wall_lever.png",
 	paramtype = "light",
@@ -136,6 +137,7 @@ minetest.register_node("mesecons_walllever:wall_lever_on", {
 	tiles = {
 		"jeija_wall_lever_lever_light_on.png",
 	},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	paramtype = "light",
 	paramtype2 = "facedir",
 	mesh = "jeija_wall_lever_on.obj",

mods/ITEMS/REDSTONE/mesecons_wires/init.lua

@@ -248,6 +248,7 @@ S("Read the help entries on the other redstone components to learn how redstone
 		mesecon.register_node(":mesecons:wire_"..nodeid, {
 			drawtype = "nodebox",
 			paramtype = "light",
+			use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 			sunlight_propagates = true,
 			selection_box = selectionbox,
 			node_box = nodebox,

mods/ITEMS/mcl_anvils/init.lua

@@ -297,6 +297,7 @@ end
 local anvildef = {
 	groups = {pickaxey=1, falling_node=1, falling_node_damage=1, crush_after_fall=1, deco_block=1, anvil=1},
 	tiles = {"mcl_anvils_anvil_top_damaged_0.png^[transformR90", "mcl_anvils_anvil_base.png", "mcl_anvils_anvil_side.png"},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	_tt_help = S("Repair and rename items"),
 	paramtype = "light",
 	sunlight_propagates = true,

mods/ITEMS/mcl_beds/api.lua

@@ -76,6 +76,7 @@ function mcl_beds.register_bed(name, def)
 		wield_image = def.wield_image,
 		drawtype = "nodebox",
 		tiles = def.tiles.bottom,
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		is_ground_content = false,
@@ -198,6 +199,7 @@ function mcl_beds.register_bed(name, def)
 	minetest.register_node(name .. "_top", {
 		drawtype = "nodebox",
 		tiles = def.tiles.top,
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		is_ground_content = false,

mods/ITEMS/mcl_bows/arrow.lua

@@ -64,6 +64,7 @@ minetest.register_node("mcl_bows:arrow_box", {
 		}
 	},
 	tiles = {"mcl_bows_arrow.png^[transformFX", "mcl_bows_arrow.png^[transformFX", "mcl_bows_arrow_back.png", "mcl_bows_arrow_front.png", "mcl_bows_arrow.png", "mcl_bows_arrow.png^[transformFX"},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	paramtype = "light",
 	paramtype2 = "facedir",
 	sunlight_propagates = true,

mods/ITEMS/mcl_brewing/init.lua

@@ -378,6 +378,7 @@ minetest.register_node("mcl_brewing:stand_000", {
 	_tt_help = S("Brew Potions"),
 	groups = {pickaxey=1, brewitem=1 },
 	tiles = tiles,
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	drop = "mcl_brewing:stand",
 	paramtype = "light",
 	sunlight_propagates = true,
@@ -444,6 +445,7 @@ minetest.register_node("mcl_brewing:stand_100", {
 	_tt_help = S("Brew Potions"),
 	groups = {pickaxey=1, not_in_creative_inventory = 1, not_in_craft_guide = 1},
 	tiles = tiles,
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	drop = "mcl_brewing:stand",
 	paramtype = "light",
 	sunlight_propagates = true,
@@ -516,6 +518,7 @@ minetest.register_node("mcl_brewing:stand_010", {
 	_tt_help = S("Brew Potions"),
 	groups = {pickaxey=1, not_in_creative_inventory = 1, not_in_craft_guide = 1},
 	tiles = tiles,
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	drop = "mcl_brewing:stand",
 	paramtype = "light",
 	sunlight_propagates = true,
@@ -589,6 +592,7 @@ minetest.register_node("mcl_brewing:stand_001", {
 	_tt_help = S("Brew Potions"),
 	groups = {pickaxey=1, not_in_creative_inventory = 1, not_in_craft_guide = 1},
 	tiles = tiles,
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	drop = "mcl_brewing:stand",
 	paramtype = "light",
 	sunlight_propagates = true,
@@ -658,6 +662,7 @@ minetest.register_node("mcl_brewing:stand_110", {
 	_tt_help = S("Brew Potions"),
 	groups = {pickaxey=1, not_in_creative_inventory = 1, not_in_craft_guide = 1},
 	tiles = tiles,
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	drop = "mcl_brewing:stand",
 	paramtype = "light",
 	sunlight_propagates = true,
@@ -737,6 +742,7 @@ minetest.register_node("mcl_brewing:stand_101", {
 	_tt_help = S("Brew Potions"),
 	groups = {pickaxey=1, not_in_creative_inventory = 1, not_in_craft_guide = 1},
 	tiles = tiles,
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	drop = "mcl_brewing:stand",
 	paramtype = "light",
 	sunlight_propagates = true,
@@ -812,6 +818,7 @@ minetest.register_node("mcl_brewing:stand_011", {
 	_tt_help = S("Brew Potions"),
 	groups = {pickaxey=1, not_in_creative_inventory = 1, not_in_craft_guide = 1},
 	tiles = tiles,
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	drop = "mcl_brewing:stand",
 	paramtype = "light",
 	sunlight_propagates = true,
@@ -887,6 +894,7 @@ minetest.register_node("mcl_brewing:stand_111", {
 	_tt_help = S("Brew Potions"),
 	groups = {pickaxey=1, not_in_creative_inventory = 1, not_in_craft_guide = 1},
 	tiles = tiles,
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	drop = "mcl_brewing:stand",
 	paramtype = "light",
 	sunlight_propagates = true,

mods/ITEMS/mcl_cake/init.lua

@@ -37,6 +37,7 @@ minetest.register_node("mcl_cake:cake", {
 	_doc_items_longdesc = S("Cakes can be placed and eaten to restore hunger points. A cake has 7 slices. Each slice restores 2 hunger points and 0.4 saturation points. Cakes will be destroyed when dug or when the block below them is broken."),
 	_doc_items_usagehelp = S("Place the cake anywhere, then rightclick it to eat a single slice. You can't eat from the cake when your hunger bar is full."),
 	tiles = {"cake_top.png","cake_bottom.png","cake_side.png","cake_side.png","cake_side.png","cake_side.png"},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	inventory_image = "cake.png",
 	wield_image = "cake.png",
 	paramtype = "light",
@@ -112,6 +113,7 @@ local register_slice = function(level, nodebox, desc)
 		description = desc,
 		_doc_items_create_entry = false,
 		tiles = cake_texture,
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 		paramtype = "light",
 		is_ground_content = false,
 		drawtype = "nodebox",

mods/ITEMS/mcl_cauldrons/init.lua

@@ -50,6 +50,7 @@ minetest.register_node("mcl_cauldrons:cauldron", {
 	_doc_items_usagehelp = S("Place a water pucket into the cauldron to fill it with water. Place an empty bucket on a full cauldron to retrieve the water. Place a water bottle into the cauldron to fill the cauldron to one third with water. Place a glass bottle in a cauldron with water to retrieve one third of the water."),
 	wield_image = "mcl_cauldrons_cauldron.png",
 	inventory_image = "mcl_cauldrons_cauldron.png",
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	drawtype = "nodebox",
 	paramtype = "light",
 	is_ground_content = false,
@@ -79,6 +80,7 @@ local register_filled_cauldron = function(water_level, description, river_water)
 	minetest.register_node(id, {
 		description = description,
 		_doc_items_create_entry = false,
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 		drawtype = "nodebox",
 		paramtype = "light",
 		is_ground_content = false,

mods/ITEMS/mcl_chests/init.lua

@@ -349,6 +349,7 @@ minetest.register_node("mcl_chests:"..basename, {
 	drawtype = "mesh",
 	mesh = "mcl_chests_chest.obj",
 	tiles = small_textures,
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	paramtype = "light",
 	paramtype2 = "facedir",
 	stack_max = 64,
@@ -385,6 +386,7 @@ minetest.register_node(small_name, {
         fixed = {-0.4375, -0.5, -0.4375, 0.4375, 0.375, 0.4375},
 	},
 	tiles = {"mcl_chests_blank.png"},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	_chest_entity_textures = small_textures,
 	_chest_entity_sound = "default_chest",
 	_chest_entity_mesh = "mcl_chests_chest",
@@ -510,6 +512,7 @@ minetest.register_node(left_name, {
         fixed = {-0.4375, -0.5, -0.4375, 0.5, 0.375, 0.4375},
 	},
 	tiles = {"mcl_chests_blank.png"},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	_chest_entity_textures = left_textures,
 	_chest_entity_sound = "default_chest",
 	_chest_entity_mesh = "mcl_chests_chest",
@@ -664,6 +667,7 @@ minetest.register_node("mcl_chests:"..basename.."_right", {
         fixed = {-0.5, -0.5, -0.4375, 0.4375, 0.375, 0.4375},
 	},
 	tiles = {"mcl_chests_blank.png"},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	groups = {handy=1,axey=1, container=6,not_in_creative_inventory=1, material_wood=1,flammable=-1,double_chest=2},
 	drop = drop,
 	is_ground_content = false,
@@ -973,6 +977,7 @@ minetest.register_node("mcl_chests:ender_chest", {
 	drawtype = "mesh",
 	mesh = "mcl_chests_chest.obj",
 	tiles = {"mcl_chests_ender.png"},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	paramtype = "light",
 	paramtype2 = "facedir",
 	stack_max = 64,
@@ -1013,6 +1018,7 @@ minetest.register_node("mcl_chests:ender_chest_small", {
 	_chest_entity_mesh = "mcl_chests_chest",
 	_chest_entity_animation_type = "chest",
 	tiles = {"mcl_chests_blank.png"},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	--[[{"mcl_chests_ender_chest_top.png", "mcl_chests_ender_chest_bottom.png",
 		"mcl_chests_ender_chest_right.png", "mcl_chests_ender_chest_left.png",
 		"mcl_chests_ender_chest_back.png", "mcl_chests_ender_chest_front.png"},]]--
@@ -1146,6 +1152,7 @@ for color, desc in pairs(boxtypes) do
 		_doc_items_longdesc = longdesc,
 		_doc_items_usagehelp = usagehelp,
 		tiles = {mob_texture},
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 		drawtype = "mesh",
 		mesh = "mcl_chests_shulker.obj",
 		--[["mcl_chests_"..color.."_shulker_box_top.png", -- top
@@ -1210,6 +1217,7 @@ for color, desc in pairs(boxtypes) do
 		_doc_items_usagehelp = usagehelp,
 		drawtype = "nodebox",
 		tiles = {"mcl_chests_blank.png"},
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 		_chest_entity_textures = {mob_texture},
 		_chest_entity_sound = "mcl_chests_shulker",
 		_chest_entity_mesh = "mcl_chests_shulker",

mods/ITEMS/mcl_cocoas/init.lua

@@ -81,6 +81,7 @@ local crop_def = {
 		"mcl_cocoas_cocoa_stage_0.png", "mcl_cocoas_cocoa_stage_0.png^[transformFX",
 		"[combine:16x16:-5,0=mcl_cocoas_cocoa_stage_0.png", "[combine:16x16:-5,0=mcl_cocoas_cocoa_stage_0.png",
 	},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	paramtype = "light",
 	sunlight_propagates = true,
 	paramtype2 = "facedir",

mods/ITEMS/mcl_core/nodes_base.lua

@@ -391,6 +391,7 @@ minetest.register_node("mcl_core:grass_path", {
 	_doc_items_longdesc = S("Grass paths are a decorative variant of grass blocks. Their top has a different color and they are a bit lower than grass blocks, making them useful to build footpaths. Grass paths can be created with a shovel. A grass path turns into dirt when it is below a solid block."),
 	drop = "mcl_core:dirt",
 	is_ground_content = true,
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	drawtype = "nodebox",
 	paramtype = "light",
 	node_box = {

mods/ITEMS/mcl_core/nodes_cactuscane.lua

@@ -8,6 +8,7 @@ minetest.register_node("mcl_core:cactus", {
 	_doc_items_longdesc = S("This is a piece of cactus commonly found in dry areas, especially deserts. Over time, cacti will grow up to 3 blocks high on sand or red sand. A cactus hurts living beings touching it with a damage of 1 HP every half second. When a cactus block is broken, all cactus blocks connected above it will break as well."),
 	_doc_items_usagehelp = S("A cactus can only be placed on top of another cactus or any sand."),
 	drawtype = "nodebox",
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	tiles = {"mcl_core_cactus_top.png", "mcl_core_cactus_bottom.png", "mcl_core_cactus_side.png"},
 	is_ground_content = true,
 	stack_max = 64,

mods/ITEMS/mcl_doors/api_doors.lua

@@ -271,6 +271,7 @@ function mcl_doors:register_door(name, def)
 
 	minetest.register_node(name.."_b_1", {
 		tiles = {"blank.png", tt[2].."^[transformFXR90", tb[2], tb[2].."^[transformFX", tb[1], tb[1].."^[transformFX"},
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		sunlight_propagates = true,
@@ -331,6 +332,7 @@ function mcl_doors:register_door(name, def)
 
 	minetest.register_node(name.."_t_1", {
 		tiles = {tt[2].."^[transformR90", "blank.png", tt[2], tt[2].."^[transformFX", tt[1], tt[1].."^[transformFX"},
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		sunlight_propagates = true,
@@ -391,6 +393,7 @@ function mcl_doors:register_door(name, def)
 
 	minetest.register_node(name.."_b_2", {
 		tiles = {"blank.png", tt[2].."^[transformFXR90", tb[2].."^[transformI", tb[2].."^[transformFX", tb[1].."^[transformFX", tb[1]},
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		sunlight_propagates = true,
@@ -451,6 +454,7 @@ function mcl_doors:register_door(name, def)
 
 	minetest.register_node(name.."_t_2", {
 		tiles = {tt[2].."^[transformR90", "blank.png", tt[2].."^[transformI", tt[2].."^[transformFX", tt[1].."^[transformFX", tt[1]},
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		sunlight_propagates = true,

mods/ITEMS/mcl_doors/api_trapdoors.lua

@@ -130,6 +130,7 @@ function mcl_doors:register_trapdoor(name, def)
 		_doc_items_usagehelp = usagehelp,
 		drawtype = "nodebox",
 		tiles = tiles_closed,
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 		inventory_image = def.inventory_image,
 		wield_image = def.wield_image,
 		is_ground_content = false,
@@ -197,6 +198,7 @@ function mcl_doors:register_trapdoor(name, def)
 	minetest.register_node(name.."_open", {
 		drawtype = "nodebox",
 		tiles = tiles_open,
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 		is_ground_content = false,
 		paramtype = "light",
 		paramtype2 = "facedir",

mods/ITEMS/mcl_enchanting/init.lua

@@ -231,6 +231,7 @@ minetest.register_node("mcl_enchanting:table", {
 	_doc_items_hidden = false,
 	drawtype = "nodebox",
 	tiles = {"mcl_enchanting_table_top.png",  "mcl_enchanting_table_bottom.png", "mcl_enchanting_table_side.png", "mcl_enchanting_table_side.png", "mcl_enchanting_table_side.png", "mcl_enchanting_table_side.png"},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	node_box = {
 		type = "fixed",
 		fixed = {-0.5, -0.5, -0.5, 0.5, 0.25, 0.5},

mods/ITEMS/mcl_farming/shared_functions.lua

@@ -361,6 +361,7 @@ function mcl_farming:add_gourd(full_unconnected_stem, connected_stem_basename, s
 				fixed = connected_stem_selectionbox[i]
 			},
 			tiles = connected_stem_tiles[i],
+			use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 			groups = {dig_immediate=3, not_in_creative_inventory=1, plant=1,attached_node=1, dig_by_water=1,destroy_by_lava_flow=1,},
 			sounds = mcl_sounds.node_sound_leaves_defaults(),
 			_mcl_blast_resistance = 0,

mods/ITEMS/mcl_flowerpots/init.lua

@@ -37,6 +37,7 @@ minetest.register_node("mcl_flowerpots:flower_pot", {
 	tiles = {
 		"mcl_flowerpots_flowerpot.png",
 	},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	visual_scale = 0.5,
 	wield_image = "mcl_flowerpots_flowerpot_inventory.png",
 	wield_scale = {x=1.0, y=1.0, z=1.0},
@@ -111,6 +112,7 @@ minetest.register_node("mcl_flowerpots:flower_pot_"..flower, {
 	tiles = {
 		"[combine:32x32:0,0=mcl_flowerpots_flowerpot.png:0,0="..texture[1],
 	},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	visual_scale = 0.5,
 	wield_scale = {x=1.0, y=1.0, z=1.0},
 	paramtype = "light",
@@ -159,6 +161,7 @@ minetest.register_node("mcl_flowerpots:flower_pot_"..flower, {
 	tiles = {
 		"mcl_flowerpots_"..flower..".png",
 	},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	visual_scale = 0.5,
 	wield_scale = {x=1.0, y=1.0, z=1.0},
 	paramtype = "light",

mods/ITEMS/mcl_flowers/init.lua

@@ -385,6 +385,7 @@ minetest.register_node("mcl_flowers:waterlily", {
 	paramtype = "light",
 	paramtype2 = "facedir",
 	tiles = {"flowers_waterlily.png", "flowers_waterlily.png^[transformFY"},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	inventory_image = "flowers_waterlily.png",
 	wield_image = "flowers_waterlily.png",
 	liquids_pointable = true,

mods/ITEMS/mcl_heads/init.lua

@@ -54,6 +54,7 @@ local function addhead(name, texture, desc, longdesc, rangemob, rangefactor)
 			"[combine:16x16:-20,0="..texture, -- back
 			"[combine:16x16:-4,0="..texture, -- front
 		},
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 		paramtype = "light",
 		stack_max = 64,
 		paramtype2 = "facedir",
@@ -136,6 +137,7 @@ local function addhead(name, texture, desc, longdesc, rangemob, rangefactor)
 			{ name = "([combine:16x16:-4,0="..texture..")^[transformR180", align_style = "node" }, -- top
 			{ name = "([combine:16x16:-4,8="..texture..")^([combine:16x16:-12,8="..texture..")", align_style = "node" }, -- bottom
 		},
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 		paramtype = "light",
 		stack_max = 64,
 		paramtype2 = "wallmounted",

mods/ITEMS/mcl_portals/portal_end.lua

@@ -282,6 +282,7 @@ minetest.register_node("mcl_portals:end_portal_frame", {
 	_doc_items_usagehelp = S("To create an End portal, you need 12 end portal frames and 12 eyes of ender. The end portal frames have to be arranged around a horizontal 3×3 area with each block facing inward. Any other arrangement will fail.") .. "\n" .. S("Place an eye of ender into each block. The end portal appears in the middle after placing the final eye.") .. "\n" .. S("Once placed, an eye of ender can not be taken back."),
 	groups = { creative_breakable = 1, deco_block = 1, end_portal_frame = 1 },
 	tiles = { "mcl_portals_endframe_top.png", "mcl_portals_endframe_bottom.png", "mcl_portals_endframe_side.png" },
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	paramtype2 = "facedir",
 	drawtype = "nodebox",
 	node_box = {
@@ -308,6 +309,7 @@ minetest.register_node("mcl_portals:end_portal_frame_eye", {
 	_doc_items_create_entry = false,
 	groups = { creative_breakable = 1, deco_block = 1, comparator_signal = 15, end_portal_frame = 2 },
 	tiles = { "mcl_portals_endframe_top.png^[lowpart:75:mcl_portals_endframe_eye.png", "mcl_portals_endframe_bottom.png", "mcl_portals_endframe_eye.png^mcl_portals_endframe_side.png" },
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	paramtype2 = "facedir",
 	drawtype = "nodebox",
 	node_box = {

mods/ITEMS/mcl_potions/tipped_arrow.lua

@@ -84,6 +84,7 @@ function mcl_potions.register_arrow(name, desc, color, def)
 			}
 		},
 		tiles = arrow_image(color, 100),
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		sunlight_propagates = true,

mods/ITEMS/mcl_signs/init.lua

@@ -295,6 +295,7 @@ minetest.register_node("mcl_signs:wall_sign", {
 	mesh = "mcl_signs_signonwallmount.obj",
 	selection_box = {type = "wallmounted", wall_side = {-0.5, -7/28, -0.5, -23/56, 7/28, 0.5}},
 	tiles = {"mcl_signs_sign.png"},
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	groups = sign_groups,
 	stack_max = 16,
 	sounds = node_sounds,
@@ -425,6 +426,7 @@ minetest.register_node("mcl_signs:wall_sign", {
 -- 0°
 local ssign = {
 	paramtype = "light",
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 	sunlight_propagates = true,
 	walkable = false,
 	is_ground_content = false,

mods/ITEMS/mcl_torches/init.lua

@@ -165,6 +165,7 @@ mcl_torches.register_torch = function(substring, description, doc_items_longdesc
 		inventory_image = icon,
 		wield_image = icon,
 		tiles = tiles,
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 		paramtype = "light",
 		paramtype2 = "wallmounted",
 		sunlight_propagates = true,
@@ -250,6 +251,7 @@ mcl_torches.register_torch = function(substring, description, doc_items_longdesc
 		drawtype = "mesh",
 		mesh = mesh_wall,
 		tiles = tiles,
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 		paramtype = "light",
 		paramtype2 = "wallmounted",
 		sunlight_propagates = true,

mods/ITEMS/mcl_walls/init.lua

@@ -157,6 +157,7 @@ function mcl_walls.register_wall(nodename, description, source, tiles, inventory
 			drawtype = "nodebox",
 			is_ground_content = false,
 			tiles = tiles,
+			use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 			paramtype = "light",
 			sunlight_propagates = true,
 			groups = internal_groups,
@@ -183,6 +184,7 @@ function mcl_walls.register_wall(nodename, description, source, tiles, inventory
 				fixed = {-4/16, -0.5, -4/16, 4/16, 1, 4/16}
 		},
 		tiles = tiles,
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 		paramtype = "light",
 		sunlight_propagates = true,
 		is_ground_content = false,
@@ -208,6 +210,7 @@ function mcl_walls.register_wall(nodename, description, source, tiles, inventory
 				fixed = {-4/16, -0.5, -4/16, 4/16, 1, 4/16}
 		},
 		tiles = tiles,
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 		paramtype = "light",
 		sunlight_propagates = true,
 		is_ground_content = false,
@@ -235,6 +238,7 @@ function mcl_walls.register_wall(nodename, description, source, tiles, inventory
 		is_ground_content = false,
 		groups = main_node_groups,
 		tiles = tiles,
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 		inventory_image = inventory_image,
 		stack_max = 64,
 		drawtype = "nodebox",

mods/ITEMS/xpanes/init.lua

@@ -224,6 +224,7 @@ xpanes.register_pane("bar", {
 	wield_image = "xpanes_pane_iron.png",
 	groups = {pickaxey=1},
 	sounds = mcl_sounds.node_sound_metal_defaults(),
+	use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
 	recipe = {
 		{"mcl_core:iron_ingot", "mcl_core:iron_ingot", "mcl_core:iron_ingot"},
 		{"mcl_core:iron_ingot", "mcl_core:iron_ingot", "mcl_core:iron_ingot"},

mods/PLAYER/mcl_meshhand/init.lua

@@ -16,6 +16,7 @@ for _,texture in pairs(list) do
 	minetest.register_node("mcl_meshhand:"..texture, {
 		description = "",
 		tiles = {texture..".png"},
+		use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "opaque" or false,
 		visual_scale = 1,
 		wield_scale = {x=1,y=1,z=1},
 		paramtype = "light",