Added some extra steps in the dye-making process (increases difficulty).

init.lua

@@ -1,60 +1,278 @@
--- Unified Dyes Mod by Vanessa Ezekowitz  ~~  2012-07-08
+-- Unified Dyes Mod by Vanessa Ezekowitz  ~~  2012-07-24
 --
 -- License: GPL
 --
 -- This mod depends on ironzorg's flowers mod
 --
 
---=================================================================
--- Smelting/crafting recipes needed to generate various base colors
--- (the register_craftitem functions are in the generate-the-rest
--- loop below the base colors).
+--===========================================================================
+-- First you need something to put the dyes into - glass bottles
+--
+-- Smelt some sand into glass as usual, then smelt one of the resulting glass
+-- blocks to get a 9-pack of empty bottles.
 
------------------
--- Primary colors
-
--- Red (rose)
-
-minetest.register_craft({
-        type = "cooking",
-        output = "unifieddyes:red 2",
-        recipe = "flowers:flower_rose",
+minetest.register_craftitem("unifieddyes:empty_bottle", {
+        description = "Empty Glass Bottle",
+        inventory_image = "unifieddyes_empty_bottle.png",
 })
 
--- Green (cactus)
-
-minetest.register_craft({
-        type = "cooking",
-        output = "unifieddyes:green 2",
-        recipe = "default:cactus",
+minetest.register_craftitem("unifieddyes:bottle_9_pack", {
+        description = "Empty Glass Bottles (9-pack)",
+        inventory_image = "unifieddyes_bottle_9_pack.png",
 })
 
 minetest.register_craft({
         type = "cooking",
-        output = "unifieddyes:green 2",
-        recipe = "flowers:flower_waterlily",
+        output = "unifieddyes:bottle_9_pack",
+        recipe = "default:glass",
+})
+
+-- The use of this mod will, if the mods that depend on it are written
+-- correctly, generate lots of empty bottles, so let's recycle them.
+
+-- First, pack them into a 9-pack unit by placing one into each of the 9
+-- crafting slots.
+
+minetest.register_craft( {
+       output = "unifieddyes:bottle_9_pack",
+       recipe = {
+               { "unifieddyes:empty_bottle", "unifieddyes:empty_bottle", "unifieddyes:empty_bottle" },
+               { "unifieddyes:empty_bottle", "unifieddyes:empty_bottle", "unifieddyes:empty_bottle" },
+               { "unifieddyes:empty_bottle", "unifieddyes:empty_bottle", "unifieddyes:empty_bottle" },
+                },
+})
+
+-- then smelt the 9-pack back into a glass block:
+
+minetest.register_craft({
+        type = "cooking",
+        output = "default:glass",
+        recipe = "unifieddyes:bottle_9_pack",
+})
+
+-- Now, once you have a 9-pack of bottles, craft it with one bucket of water
+-- and a piece of jungle grass to get 9 individual portions of the liquid dye
+-- base and an empty bucket:
+
+minetest.register_craftitem("unifieddyes:dye_base", {
+        description = "Uncolored Dye Base Liquid",
+        inventory_image = "unifieddyes_dye_base.png",
 })
 
 minetest.register_craft( {
        type = "shapeless",
-       output = "unifieddyes:green 2",
+       output = "unifieddyes:dye_base 9",
        recipe = {
-               "unifieddyes:blue",
-               "unifieddyes:yellow",
+               "bucket:bucket_water",
+               "default:junglegrass",
+               "unifieddyes:bottle_9_pack",
+                },
+        replacements = { {'bucket:bucket_water', 'bucket:bucket_empty'}, },
+})
+
+--==========================================================================
+-- Now we need to turn our color sources (flowers, etc) into pigments and from
+-- there into actual usable dyes.  There are seven base colors - one for each
+-- flower, plus black (as "carbon black") from coal, and white (as "titanium
+-- dioxide") from stone.  Most give two portions of pigment; cactus gives 6,
+-- stone gives 10.
+
+pigments = {
+	"red",
+	"orange",
+	"yellow",
+	"green",
+	"blue",
+	"carbon_black",
+}
+
+pigmentsdesc = {
+	"Red",
+	"Orange",
+	"Yellow",
+	"Green",
+	"Blue",
+}
+
+dyesdesc = {
+	"Red",
+	"Orange",
+	"Yellow",
+	"Green",
+	"Blue",
+}
+	
+colorsources = {
+	"flowers:flower_rose",
+	"flowers:flower_tulip",
+	"flowers:flower_dandelion_yellow",
+	"flowers:flower_waterlily",
+	"flowers:flower_viola",
+}
+
+for color = 1, 5 do
+
+	-- the recipes to turn sources into pigments
+
+	minetest.register_craftitem("unifieddyes:pigment_"..pigments[color], {
+		description = pigmentsdesc[color].." Pigment",
+		inventory_image = "unifieddyes_pigment_"..pigments[color]..".png",
+	})
+
+	minetest.register_craft({
+		type = "cooking",
+		output = "unifieddyes:pigment_"..pigments[color].." 2",
+		recipe = colorsources[color],
+	})
+
+	-- The recipes to turn pigments into usable dyes
+
+	minetest.register_craftitem("unifieddyes:"..pigments[color], {
+		description = dyesdesc[color].." Dye",
+		inventory_image = "unifieddyes_"..pigments[color]..".png",
+	})
+
+	minetest.register_craft( {
+		type = "shapeless",
+		output = "unifieddyes:"..pigments[color],
+		recipe = {
+			"unifieddyes:pigment_"..pigments[color],
+			"unifieddyes:dye_base"
+		}
+	})
+end
+
+-- Stone->titanium dioxide and cactus->green pigment are done separately
+-- because of their larger yields
+
+minetest.register_craftitem("unifieddyes:titanium_dioxide", {
+	description = "Titanium Dioxide",
+	inventory_image = "unifieddyes_titanium_dioxide.png",
+})
+
+minetest.register_craft({
+	type = "cooking",
+	output = "unifieddyes:titanium_dioxide 10",
+	recipe = "default:stone",
+})
+
+minetest.register_craft({
+	type = "cooking",
+	output = "unifieddyes:pigment_green 6",
+	recipe = "default:cactus",
+})
+
+-- coal->carbon black and carbon black -> black dye are done separately
+-- because of the different names
+
+minetest.register_craftitem("unifieddyes:carbon_black", {
+	description = "Carbon Black",
+	inventory_image = "unifieddyes_carbon_black.png",
+})
+
+minetest.register_craft({
+	type = "cooking",
+	output = "unifieddyes:carbon_black 2",
+	recipe = "default:coal_lump",
+})
+
+minetest.register_craftitem("unifieddyes:black", {
+	description = "Carbon Black",
+	inventory_image = "unifieddyes_black.png",
+})
+
+minetest.register_craft( {
+        type = "shapeless",
+        output = "unifieddyes:black",
+        recipe = {
+                "unifieddyes:carbon_black",
+                "unifieddyes:dye_base",
+        },
+})
+
+--=======================================================================
+-- Now that we have the dyes in a usable form, let's mix the various
+-- ingredients together to create the rest of the mod's colors and greys.
+
+
+----------------------------
+-- The 5 levels of greyscale
+
+-- White paint
+
+minetest.register_craft( {
+        type = "shapeless",
+        output = "unifieddyes:white_paint",
+        recipe = {
+                "unifieddyes:titanium_dioxide",
+                "bucket:bucket_water",
+                "default:junglegrass",
+        },
+})
+
+minetest.register_craftitem("unifieddyes:white_paint", {
+        description = "White Paint",
+        inventory_image = "unifieddyes_white_paint.png",
+	groups = {dye=1},
+})
+
+-- Light grey paint
+
+minetest.register_craft( {
+       type = "shapeless",
+       output = "unifieddyes:lightgrey_paint 3",
+       recipe = {
+               "unifieddyes:white_paint",
+               "unifieddyes:white_paint",
+               "unifieddyes:carbon_black",
 		},
 })
 
--- Blue (Viola)
+minetest.register_craftitem("unifieddyes:lightgrey_paint", {
+        description = "Light grey paint",
+        inventory_image = "unifieddyes_lightgrey_paint.png",
+	groups = {dye=1},
+})
 
-minetest.register_craft({
-        type = "cooking",
-        output = "unifieddyes:blue 2",
-        recipe = "flowers:flower_viola",
+-- Medium grey paint
+
+minetest.register_craft( {
+       type = "shapeless",
+       output = "unifieddyes:grey_paint 2",
+       recipe = {
+               "unifieddyes:white_paint",
+               "unifieddyes:carbon_black",
+		},
+})
+
+minetest.register_craftitem("unifieddyes:grey_paint", {
+        description = "Medium grey paint",
+        inventory_image = "unifieddyes_grey_paint.png",
+	groups = {dye=1},
+})
+
+-- Dark grey paint
+
+minetest.register_craft( {
+       type = "shapeless",
+       output = "unifieddyes:darkgrey_paint 3",
+       recipe = {
+               "unifieddyes:white_paint",
+               "unifieddyes:carbon_black",
+               "unifieddyes:carbon_black",
+		},
+})
+
+minetest.register_craftitem("unifieddyes:darkgrey_paint", {
+        description = "Dark grey paint",
+        inventory_image = "unifieddyes_darkgrey_paint.png",
+	groups = {dye=1},
 })
 
 
--------------------
--- Secondary colors
+--=============================================================================
+-- Smelting/crafting recipes needed to generate various remaining 'full' colors
+-- (the register_craftitem functions are in the generate-the-rest loop below).
 
 -- Cyan
 
@@ -78,36 +296,6 @@ minetest.register_craft( {
 		},
 })
 
--- Yellow (yellow dandelion)
-
-minetest.register_craft({
-        type = "cooking",
-        output = "unifieddyes:yellow 2",
-        recipe = "flowers:flower_dandelion_yellow",
-})
-
-
-------------------
--- Tertiary colors
-
--- Orange (tulip)
-
-minetest.register_craft({
-        type = "cooking",
-        output = "unifieddyes:orange 2",
-        recipe = "flowers:flower_tulip",
-})
-
-minetest.register_craft( {
-       type = "shapeless",
-       output = "unifieddyes:orange 2",
-       recipe = {
-               "unifieddyes:yellow",
-               "unifieddyes:red",
-		},
-})
-
-
 -- Lime
 
 minetest.register_craft( {
@@ -174,116 +362,11 @@ minetest.register_craft( {
 		},
 })
 
-----------------------------
--- The 5 levels of greyscale
-
--- White paint
-
-minetest.register_craftitem("unifieddyes:titanium_dioxide", {
-        description = "Titanium Dioxide Powder",
-        inventory_image = "unifieddyes_titanium_dioxide.png",
-	groups = {dye=1},
-})
-
-minetest.register_craft({
-        type = "cooking",
-        output = "unifieddyes:titanium_dioxide 10",
-        recipe = "default:stone",
-})
-
-minetest.register_craft( {
-        type = "shapeless",
-        output = "unifieddyes:white_paint",
-        recipe = {
-                "unifieddyes:titanium_dioxide",
-                "bucket:bucket_water",
-                "default:junglegrass",
-        },
-})
-
-minetest.register_craftitem("unifieddyes:white_paint", {
-        description = "White Paint",
-        inventory_image = "unifieddyes_white_paint.png",
-	groups = {dye=1},
-})
-
-
--- Light grey paint
-
-minetest.register_craft( {
-       type = "shapeless",
-       output = "unifieddyes:lightgrey_paint 3",
-       recipe = {
-               "unifieddyes:white_paint",
-               "unifieddyes:white_paint",
-               "unifieddyes:black",
-		},
-})
-
-minetest.register_craftitem("unifieddyes:lightgrey_paint", {
-        description = "Light grey paint",
-        inventory_image = "unifieddyes_lightgrey_paint.png",
-	groups = {dye=1},
-})
-
-
--- Medium grey paint
-
-minetest.register_craft( {
-       type = "shapeless",
-       output = "unifieddyes:grey_paint 2",
-       recipe = {
-               "unifieddyes:white_paint",
-               "unifieddyes:black",
-		},
-})
-
-minetest.register_craftitem("unifieddyes:grey_paint", {
-        description = "Medium grey paint",
-        inventory_image = "unifieddyes_grey_paint.png",
-	groups = {dye=1},
-})
-
-
--- Dark grey paint
-
-minetest.register_craft( {
-       type = "shapeless",
-       output = "unifieddyes:darkgrey_paint 3",
-       recipe = {
-               "unifieddyes:white_paint",
-               "unifieddyes:black",
-               "unifieddyes:black",
-		},
-})
-
-minetest.register_craftitem("unifieddyes:darkgrey_paint", {
-        description = "Dark grey paint",
-        inventory_image = "unifieddyes_darkgrey_paint.png",
-	groups = {dye=1},
-})
-
-
--- Black dye (coal)
-
-minetest.register_craft({
-        type = "cooking",
-        output = "unifieddyes:black 2",
-        recipe = "default:coal_lump",
-})
-
-minetest.register_craftitem("unifieddyes:black", {
-	description = "Black Dye",
-	inventory_image = "unifieddyes_black.png",
-	groups = {dye=1},
-})
-
-
 
 -- =================================================================
 
 -- Finally, generate all of additional variants of hue, saturation, and
--- brightness from the above 12 base colors.
+-- brightness.
 
 -- "s50" in a file/item name means "saturation: 50%".
 -- Brightness levels in the textures are 33% ("dark"), 66% ("medium"),
@@ -440,5 +523,6 @@ for i = 1, 12 do
 end
 
 
+
 print("[UnifiedDyes] Loaded!")