added salt crystal and recipes (thanks gorlock)

README.md

@@ -13,7 +13,7 @@ This mod works by adding your new plant to the {growing=1} group and numbering t
 
 ### Changelog:
 
-- 1.46 - Added min/max default light settings, added lettuce and blackberries with food items (thanks OgelGames), added soya and vanilla (thanks Felfa), added tofu
+- 1.46 - Added min/max default light settings, added lettuce and blackberries with food items (thanks OgelGames), added soya and vanilla (thanks Felfa), added tofu, added salt crystals (thanks gorlock)
 - 1.45 - Dirt and Hoes are more in line with default by using dry/wet/base, added cactus juice, added pasta, spaghetti, cabbage, korean bibimbap, code tidy
 options, onion soup added (thanks edcrypt), Added apple pie, added wild cotton to savanna
 - 1.44 - Added 'farming_stage_length' in mod settings for speed of crop growth, also thanks to TheDarkTiger for translation updates

food.lua

@@ -33,7 +33,48 @@ minetest.register_node("farming:salt", {
 	selection_box = {
 		type = "fixed",
 		fixed = {-0.25, -0.5, -0.25, 0.25, 0.3, 0.25}
-	}
+	},
+	-- special function to make salt crystals form inside water
+	dropped_step = function(self, pos, dtime)
+
+		self.ctimer = (self.ctimer or 0) + dtime
+		if self.ctimer < 15.0 then return end
+		self.ctimer = 0
+
+		local needed
+
+		if self.node_inside
+		and self.node_inside.name == "default:water_source" then
+			needed = 8
+
+		elseif self.node_inside
+		and self.node_inside.name == "default:river_water_source" then
+			needed = 9
+		end
+
+		if not needed then return end
+
+		local objs = core.get_objects_inside_radius(pos, 0.5)
+
+		if not objs or #objs ~= 1 then return end
+
+		local salt, ent = nil, nil
+
+		for k, obj in pairs(objs) do
+
+			ent = obj:get_luaentity()
+
+			if ent and ent.name == "__builtin:item"
+			and ent.itemstring == "farming:salt " .. needed then
+
+				obj:remove()
+
+				core.add_item(pos, "farming:salt_crystal")
+
+				return false -- return with no further action
+			end
+		end
+	end
 })
 
 minetest.register_craft({
@@ -44,6 +85,40 @@ minetest.register_craft({
 	replacements = {{"bucket:bucket_water", "bucket:bucket_empty"}}
 })
 
+--= Salt Crystal
+
+minetest.register_node("farming:salt_crystal", {
+	description = ("Salt crystal"),
+	inventory_image = "farming_salt_crystal.png",
+	wield_image = "farming_salt_crystal.png",
+	drawtype = "plantlike",
+	visual_scale = 0.8,
+	paramtype = "light",
+	light_source = 1,
+	tiles = {"farming_salt_crystal.png"},
+	groups = { dig_immediate = 3, attached_node = 1},
+	sounds = default.node_sound_defaults(),
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.25, -0.5, -0.25, 0.25, 0.3, 0.25}
+	},
+})
+minetest.register_craft({
+	type = "shapeless",
+	output = "farming:salt 9",
+	recipe = {"farming:salt_crystal", "farming:mortar_pestle"},
+	replacements = {{"farming:mortar_pestle", "farming:mortar_pestle"}}
+})
+
+minetest.register_craft({
+	output = "farming:salt_crystal",
+	recipe = {
+		{"farming:salt", "farming:salt", "farming:salt"},
+		{"farming:salt", "farming:salt", "farming:salt"},
+		{"farming:salt", "farming:salt", "farming:salt"}
+	}
+})
+
 --= Rose Water
 
 minetest.register_node("farming:rose_water", {

license.txt

@@ -155,3 +155,6 @@ Created by Felfa (CC0)
   farming_burger.png
   farming_soy*.png
   farming_vanilla*.png
+
+Created by gorlock (CC0)
+  farming_salt_crystal.png