Make covered permafrost nodes look better

README.md

@@ -77,7 +77,8 @@ Maintenance updates:
     * "Wooden Light Box 2" to "Wooden Rhombus Light Box"
 * Added fuel recipes for wooden-based things
 * Changed a few confusing recipes to make more sense
-* Improved textures for cut glass, obsidian glass and woodframed glass
+* Improved textures for cut glass, obsidian glass, woodframed glass,
+  permafrost with moss and permafrost with stones
 * Improved side texture of wood frame and rusty bar
 * Add honey and cushion block to creative inventory
 * Doors now count as nodes in creative inventory

handlers/glasscut.lua

@@ -8,7 +8,7 @@
 -- cut nodes look horrible because there are no
 -- clear contours.
 
-local template_suffixes = {	
+local template_suffixes_glass = {
 	stair = {
 		"_split.png",
 		".png",
@@ -58,12 +58,70 @@ local template_suffixes = {
 	},
 }
 
-local generate_tilenames = function(prefix, default_texture)
+-- Template for "grass-covered" and similar nodes.
+-- This is defined in a way so that the cut nodes
+-- still have a natural-looking grass cover.
+-- !TOP and !BOTTOM are special and will be
+-- replaced via function argument.
+
+local template_suffixes_grasscover = {	
+	stair = {
+		"!TOP",
+		"!BOTTOM",
+		"_stairside.png^[transformFX",
+		"_stairside.png",
+		".png",
+		"_split.png",
+	},
+	stair_inner = {
+		"!TOP",
+		"!BOTTOM",
+		"_stairside.png^[transformFX",
+		".png",
+		".png",
+		"_stairside.png",
+	},
+	stair_outer = {
+		"!TOP",
+		"!BOTTOM",
+		"_outer_stairside.png",
+		"_stairside.png",
+		"_stairside.png^[transformR90",
+		"_outer_stairside.png",
+	},
+	halfstair = {
+		"!TOP",
+		"!BOTTOM",
+		"_stairside.png^[transformFX",
+		"_stairside.png",
+		".png",
+		"_cube.png",
+	},
+	slab = {
+		"!TOP",
+		"!BOTTOM",
+		"_split.png",
+	},
+	cube = { "!TOP", "!BOTTOM", "_cube.png" },
+	thinstair = { "!TOP", "!BOTTOM", "_cube.png" },
+	micropanel = { "!TOP", "!BOTTOM", "!TOP" },
+	nanoslab = { "!TOP", "!BOTTOM", "!TOP" },
+	microslab = { "!TOP", "!BOTTOM", "!TOP" },
+	panel = {
+		"!TOP",
+		"!BOTTOM",
+		"_cube.png",
+		"_cube.png",
+		"_split.png",
+	},
+}
+
+local generate_tilenames_glass = function(prefix, default_texture)
 	if not default_texture then
 		default_texture = prefix
 	end
 	local cuts = {}
-	for t, tiles in pairs(template_suffixes) do
+	for t, tiles in pairs(template_suffixes_glass) do
 		cuts[t] = {}
 		for i=1, #tiles do
 			if tiles[i] == ".png" then
@@ -76,8 +134,37 @@ local generate_tilenames = function(prefix, default_texture)
 	return cuts
 end
 
+local generate_tilenames_grasscover = function(prefix, default_texture, base, top, bottom)
+	if not default_texture then
+		default_texture = prefix
+	end
+	local cuts = {}
+	for t, tiles in pairs(template_suffixes_grasscover) do
+		cuts[t] = {}
+		for i=1, #tiles do
+			if tiles[i] == "!TOP" then
+				cuts[t][i] = {name=top, align_style="world"}
+			elseif tiles[i] == "!BOTTOM" then
+				cuts[t][i] = {name=bottom, align_style="world"}
+			else
+				if tiles[i] == ".png" then
+					cuts[t][i] = default_texture .. tiles[i]
+				else
+					cuts[t][i] = prefix .. tiles[i]
+				end
+				if base then
+					cuts[t][i] = base .. "^" .. cuts[t][i]
+				end
+			end
+		end
+	end
+	return cuts
+end
+
 xdecor.glasscuts = {
-	["xdecor:woodframed_glass"] = generate_tilenames("xdecor_woodframed_glass"),
+	["xdecor:woodframed_glass"] = generate_tilenames_glass("xdecor_woodframed_glass"),
-	["default:glass"] = generate_tilenames("stairs_glass", "default_glass"),
+	["default:glass"] = generate_tilenames_glass("stairs_glass", "default_glass"),
-	["default:obsidian_glass"] = generate_tilenames("stairs_obsidian_glass", "default_obsidian_glass"),
+	["default:obsidian_glass"] = generate_tilenames_glass("stairs_obsidian_glass", "default_obsidian_glass"),
+	["default:permafrost_with_moss"] = generate_tilenames_grasscover("xdecor_permafrost_moss", "default_moss_side", "default_permafrost.png", "default_moss.png", "default_permafrost.png"),
+	["default:permafrost_with_stones"] = generate_tilenames_grasscover("xdecor_permafrost_stones", "default_stones_side", "default_permafrost.png", "default_permafrost.png^default_stones.png", "default_permafrost.png"),
 }