Add mods: technic, moreores, paintings, Nyancat (Pbj_pup). Small fix: sandwiches

mods/technic_plus_beta/technic_worldgen/overrides.lua

@@ -0,0 +1,83 @@
+
+local S = minetest.get_translator("technic_worldgen")
+
+minetest.override_item("default:steel_ingot", {
+	description = S("Wrought Iron Ingot"),
+	-- Make the color of the ingot a bit darker to separate it better from tin
+	inventory_image = "technic_wrought_iron_ingot.png^[multiply:#bbbbbbff",
+})
+
+-- Override description and textures of "steel" items
+
+local excluded_words = {
+	"[Cc]arbon",
+	"[Ss]tainless",
+	"[Ff]lint",
+}
+
+local function is_steel(name, desc)
+	name = name:gsub(".+:(.+)", "%1")  -- Ignore mod name
+	if name:match("[Ss]teel") or desc:match("[Ss]teel") then
+		for _, word in pairs(excluded_words) do
+			if name:match(word) or desc:match(word) then
+				return false
+			end
+		end
+		return true
+	end
+end
+
+local function edit_desc(desc, old, new)
+	desc = desc:gsub(old, new)
+	desc = desc:gsub(old:lower(), new:lower())
+	return desc
+end
+
+local function replace_texture(tile)
+	local new_tile
+	if type(tile) == "string" then
+		new_tile = tile:gsub("default_steel_block.png", "technic_wrought_iron_block.png")
+	else
+		new_tile = {}
+		for k, v in pairs(tile) do
+			if k == "name" then
+				new_tile[k] = v:gsub("default_steel_block.png", "technic_wrought_iron_block.png")
+			else
+				new_tile[k] = v
+			end
+		end
+	end
+	return new_tile
+end
+
+local function do_override(name, def)
+	local desc = def.description
+	if not is_steel(name, desc) then
+		return
+	end
+	local override = {}
+	if name:find("steelblock") then
+		override.description = edit_desc(desc, "Steel", "Wrought Iron")
+	else
+		override.description = edit_desc(desc, "Steel", "Iron")
+	end
+	if def.tiles then
+		override.tiles = {}
+		for _, tile in ipairs(def.tiles) do
+			table.insert(override.tiles, replace_texture(tile))
+		end
+	end
+	if def.inventory_image then
+		override.inventory_image = replace_texture(def.inventory_image)
+	end
+	if def.wield_image then
+		override.wield_image = replace_texture(def.wield_image)
+	end
+	minetest.override_item(name, override)
+end
+
+minetest.register_on_mods_loaded(function()
+	for name, def in pairs(minetest.registered_items) do
+		do_override(name, def)
+	end
+end)