write something there

mods/minetest_game/dye/init.lua

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+-- dye/init.lua
+
+dye = {}
+
+-- Load support for MT game translation.
+local S = minetest.get_translator("dye")
+
+-- Make dye names and descriptions available globally
+
+dye.dyes = {
+	{"white",      "White"},
+	{"grey",       "Grey"},
+	{"dark_grey",  "Dark Grey"},
+	{"black",      "Black"},
+	{"violet",     "Violet"},
+	{"blue",       "Blue"},
+	{"cyan",       "Cyan"},
+	{"dark_green", "Dark Green"},
+	{"green",      "Green"},
+	{"yellow",     "Yellow"},
+	{"brown",      "Brown"},
+	{"orange",     "Orange"},
+	{"red",        "Red"},
+	{"magenta",    "Magenta"},
+	{"pink",       "Pink"},
+}
+
+-- Define items
+
+for _, row in ipairs(dye.dyes) do
+	local name = row[1]
+	local description = row[2]
+	local groups = {dye = 1}
+	groups["color_" .. name] = 1
+
+	minetest.register_craftitem("dye:" .. name, {
+		inventory_image = "dye_" .. name .. ".png",
+		description = S(description .. " Dye"),
+		groups = groups
+	})
+
+	minetest.register_craft({
+		output = "dye:" .. name .. " 4",
+		recipe = {
+			{"group:flower,color_" .. name}
+		},
+	})
+end
+
+-- Manually add coal -> black dye
+
+minetest.register_craft({
+	output = "dye:black 4",
+	recipe = {
+		{"group:coal"}
+	},
+})
+
+-- Manually add blueberries->violet dye
+
+minetest.register_craft({
+	output = "dye:violet 2",
+	recipe = {
+		{"default:blueberries"}
+	},
+})
+
+-- Mix recipes
+
+local dye_recipes = {
+	-- src1, src2, dst
+	-- RYB mixes
+	{"red", "blue", "violet"}, -- "purple"
+	{"yellow", "red", "orange"},
+	{"yellow", "blue", "green"},
+	-- RYB complementary mixes
+	{"yellow", "violet", "dark_grey"},
+	{"blue", "orange", "dark_grey"},
+	-- CMY mixes - approximation
+	{"cyan", "yellow", "green"},
+	{"cyan", "magenta", "blue"},
+	{"yellow", "magenta", "red"},
+	-- other mixes that result in a color we have
+	{"red", "green", "brown"},
+	{"magenta", "blue", "violet"},
+	{"green", "blue", "cyan"},
+	{"pink", "violet", "magenta"},
+	-- mixes with black
+	{"white", "black", "grey"},
+	{"grey", "black", "dark_grey"},
+	{"green", "black", "dark_green"},
+	{"orange", "black", "brown"},
+	-- mixes with white
+	{"white", "red", "pink"},
+	{"white", "dark_grey", "grey"},
+	{"white", "dark_green", "green"},
+}
+
+for _, mix in pairs(dye_recipes) do
+	minetest.register_craft({
+		type = "shapeless",
+		output = "dye:" .. mix[3] .. " 2",
+		recipe = {"dye:" .. mix[1], "dye:" .. mix[2]},
+	})
+end
+
+-- Dummy calls to S() to allow translation scripts to detect the strings.
+-- To update this run:
+-- for _,e in ipairs(dye.dyes) do print(("S(%q)"):format(e[2].." Dye")) end
+
+--[[
+S("White Dye")
+S("Grey Dye")
+S("Dark Grey Dye")
+S("Black Dye")
+S("Violet Dye")
+S("Blue Dye")
+S("Cyan Dye")
+S("Dark Green Dye")
+S("Green Dye")
+S("Yellow Dye")
+S("Brown Dye")
+S("Orange Dye")
+S("Red Dye")
+S("Magenta Dye")
+S("Pink Dye")
+--]]