Merge branch 'master' into locale

mods/beds/api.lua

@@ -31,6 +31,7 @@ function beds.register_bed(name, def)
 		wield_image = def.wield_image,
 		drawtype = "nodebox",
 		tiles = def.tiles.bottom,
+		use_texture_alpha = "clip",
 		paramtype = "light",
 		paramtype2 = "facedir",
 		is_ground_content = false,
@@ -150,6 +151,7 @@ function beds.register_bed(name, def)
 	minetest.register_node(name .. "_top", {
 		drawtype = "nodebox",
 		tiles = def.tiles.top,
+		use_texture_alpha = "clip",
 		paramtype = "light",
 		paramtype2 = "facedir",
 		is_ground_content = false,

mods/default/functions.lua

@@ -463,6 +463,7 @@ function default.register_mesepost(name, def)
 		},
 		paramtype = "light",
 		tiles = {def.texture, def.texture, post_texture_dark, post_texture_dark, post_texture, post_texture},
+		use_texture_alpha = "opaque",
 		light_source = default.LIGHT_MAX,
 		sunlight_propagates = true,
 		is_ground_content = false,

mods/default/nodes.lua

@@ -2213,7 +2213,7 @@ minetest.register_node("default:water_source", {
 			},
 		},
 	},
-	alpha = 191,
+	use_texture_alpha = "blend",
 	paramtype = "light",
 	walkable = false,
 	pointable = false,
@@ -2258,7 +2258,7 @@ minetest.register_node("default:water_flowing", {
 			},
 		},
 	},
-	alpha = 191,
+	use_texture_alpha = "blend",
 	paramtype = "light",
 	paramtype2 = "flowingliquid",
 	walkable = false,
@@ -2304,7 +2304,7 @@ minetest.register_node("default:river_water_source", {
 			},
 		},
 	},
-	alpha = 160,
+	use_texture_alpha = "blend",
 	paramtype = "light",
 	walkable = false,
 	pointable = false,
@@ -2354,7 +2354,7 @@ minetest.register_node("default:river_water_flowing", {
 			},
 		},
 	},
-	alpha = 160,
+	use_texture_alpha = "blend",
 	paramtype = "light",
 	paramtype2 = "flowingliquid",
 	walkable = false,
@@ -2578,6 +2578,7 @@ local function register_sign(material, desc, def)
 		sunlight_propagates = true,
 		is_ground_content = false,
 		walkable = false,
+		use_texture_alpha = "opaque",
 		node_box = {
 			type = "wallmounted",
 			wall_top    = {-0.4375, 0.4375, -0.3125, 0.4375, 0.5, 0.3125},
@@ -2799,6 +2800,7 @@ minetest.register_node("default:glass", {
 	description = S("Glass"),
 	drawtype = "glasslike_framed_optional",
 	tiles = {"default_glass.png", "default_glass_detail.png"},
+	use_texture_alpha = "clip", -- only needed for stairs API
 	paramtype = "light",
 	paramtype2 = "glasslikeliquidlevel",
 	sunlight_propagates = true,
@@ -2811,6 +2813,7 @@ minetest.register_node("default:obsidian_glass", {
 	description = S("Obsidian Glass"),
 	drawtype = "glasslike_framed_optional",
 	tiles = {"default_obsidian_glass.png", "default_obsidian_glass_detail.png"},
+	use_texture_alpha = "clip", -- only needed for stairs API
 	paramtype = "light",
 	paramtype2 = "glasslikeliquidlevel",
 	is_ground_content = false,

mods/default/torch.lua

@@ -29,6 +29,7 @@ minetest.register_node("default:torch", {
 		    name = "default_torch_on_floor_animated.png",
 		    animation = {type = "vertical_frames", aspect_w = 16, aspect_h = 16, length = 3.3}
 	}},
+	use_texture_alpha = "clip",
 	paramtype = "light",
 	paramtype2 = "wallmounted",
 	sunlight_propagates = true,
@@ -81,6 +82,7 @@ minetest.register_node("default:torch_wall", {
 		    name = "default_torch_on_floor_animated.png",
 		    animation = {type = "vertical_frames", aspect_w = 16, aspect_h = 16, length = 3.3}
 	}},
+	use_texture_alpha = "clip",
 	paramtype = "light",
 	paramtype2 = "wallmounted",
 	sunlight_propagates = true,
@@ -105,6 +107,7 @@ minetest.register_node("default:torch_ceiling", {
 		    name = "default_torch_on_floor_animated.png",
 		    animation = {type = "vertical_frames", aspect_w = 16, aspect_h = 16, length = 3.3}
 	}},
+	use_texture_alpha = "clip",
 	paramtype = "light",
 	paramtype2 = "wallmounted",
 	sunlight_propagates = true,

mods/doors/init.lua

@@ -436,6 +436,7 @@ function doors.register(name, def)
 	def.buildable_to = false
 	def.selection_box = {type = "fixed", fixed = {-1/2,-1/2,-1/2,1/2,3/2,-6/16}}
 	def.collision_box = {type = "fixed", fixed = {-1/2,-1/2,-1/2,1/2,3/2,-6/16}}
+	def.use_texture_alpha = "clip"
 
 	def.mesh = "door_a.obj"
 	minetest.register_node(":" .. name .. "_a", def)
@@ -581,6 +582,7 @@ function doors.register_trapdoor(name, def)
 	def.paramtype = "light"
 	def.paramtype2 = "facedir"
 	def.is_ground_content = false
+	def.use_texture_alpha = "clip"
 
 	if def.protected then
 		def.can_dig = can_dig_door

mods/flowers/init.lua

@@ -279,6 +279,7 @@ local waterlily_def = {
 	tiles = {"flowers_waterlily.png", "flowers_waterlily_bottom.png"},
 	inventory_image = "flowers_waterlily.png",
 	wield_image = "flowers_waterlily.png",
+	use_texture_alpha = "clip",
 	liquids_pointable = true,
 	walkable = false,
 	buildable_to = true,

mods/stairs/init.lua

@@ -63,6 +63,8 @@ end
 
 function stairs.register_stair(subname, recipeitem, groups, images, description,
 		sounds, worldaligntex)
+	local src_def = minetest.registered_nodes[recipeitem]
+
 	-- Set backface culling and world-aligned textures
 	local stair_images = {}
 	for i, image in ipairs(images) do
@@ -91,6 +93,7 @@ function stairs.register_stair(subname, recipeitem, groups, images, description,
 		description = description,
 		drawtype = "nodebox",
 		tiles = stair_images,
+		use_texture_alpha = src_def and src_def.use_texture_alpha,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		is_ground_content = false,
@@ -162,6 +165,8 @@ end
 
 function stairs.register_slab(subname, recipeitem, groups, images, description,
 		sounds, worldaligntex)
+	local src_def = minetest.registered_nodes[recipeitem]
+
 	-- Set world-aligned textures
 	local slab_images = {}
 	for i, image in ipairs(images) do
@@ -186,6 +191,7 @@ function stairs.register_slab(subname, recipeitem, groups, images, description,
 		description = description,
 		drawtype = "nodebox",
 		tiles = slab_images,
+		use_texture_alpha = src_def and src_def.use_texture_alpha,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		is_ground_content = false,
@@ -297,6 +303,8 @@ end
 
 function stairs.register_stair_inner(subname, recipeitem, groups, images,
 		description, sounds, worldaligntex, full_description)
+	local src_def = minetest.registered_nodes[recipeitem]
+
 	-- Set backface culling and world-aligned textures
 	local stair_images = {}
 	for i, image in ipairs(images) do
@@ -330,6 +338,7 @@ function stairs.register_stair_inner(subname, recipeitem, groups, images,
 		description = description,
 		drawtype = "nodebox",
 		tiles = stair_images,
+		use_texture_alpha = src_def and src_def.use_texture_alpha,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		is_ground_content = false,
@@ -384,6 +393,8 @@ end
 
 function stairs.register_stair_outer(subname, recipeitem, groups, images,
 		description, sounds, worldaligntex, full_description)
+	local src_def = minetest.registered_nodes[recipeitem]
+
 	-- Set backface culling and world-aligned textures
 	local stair_images = {}
 	for i, image in ipairs(images) do
@@ -417,6 +428,7 @@ function stairs.register_stair_outer(subname, recipeitem, groups, images,
 		description = description,
 		drawtype = "nodebox",
 		tiles = stair_images,
+		use_texture_alpha = src_def and src_def.use_texture_alpha,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		is_ground_content = false,

mods/weather/init.lua

@@ -88,7 +88,8 @@ local function update_clouds()
 	local n_speedz = nobj_speedz:get_2d({x = time, y = 0}) -- -1 to 1
 
 	for _, player in ipairs(minetest.get_connected_players()) do
-		local humid = minetest.get_humidity(player:get_pos())
+		-- Fallback to mid-value 50 for very old worlds
+		local humid = minetest.get_humidity(player:get_pos()) or 50
 		-- Default and classic density value is 0.4, make this happen
 		-- at humidity midvalue 50 when n_density is at midvalue 0.5.
 		-- density_max = 0.25 at humid = 0.

mods/xpanes/init.lua

@@ -116,7 +116,7 @@ function xpanes.register_pane(name, def)
 		groups = flatgroups,
 		drop = "xpanes:" .. name .. "_flat",
 		sounds = def.sounds,
-		use_texture_alpha = def.use_texture_alpha or false,
+		use_texture_alpha = def.use_texture_alpha and "blend" or "clip",
 		node_box = {
 			type = "fixed",
 			fixed = {{-1/2, -1/2, -1/32, 1/2, 1/2, 1/32}},
@@ -145,7 +145,7 @@ function xpanes.register_pane(name, def)
 		groups = groups,
 		drop = "xpanes:" .. name .. "_flat",
 		sounds = def.sounds,
-		use_texture_alpha = def.use_texture_alpha or false,
+		use_texture_alpha = def.use_texture_alpha and "blend" or "clip",
 		node_box = {
 			type = "connected",
 			fixed = {{-1/32, -1/2, -1/32, 1/32, 1/2, 1/32}},