Add Rubber Goo as replacement for the grinder (#578)

Fixes the circular dependency in issue #474 by adding a new item that can be used to craft Rubber.

technic/crafts.lua

@@ -174,7 +174,6 @@ minetest.register_craft({
 	},
 })
 
-
 minetest.register_craft({
 	output = "default:dirt 2",
 	type = "shapeless",
@@ -186,3 +185,25 @@ minetest.register_craft({
 		"group:sand",
 	},
 })
+
+minetest.register_craft({
+	output = "technic:rubber_goo",
+	type = "shapeless",
+	recipe = {
+		"technic:raw_latex",
+		"default:coal_lump",
+		"default:coal_lump",
+		"default:coal_lump",
+		"default:coal_lump",
+		"default:coal_lump",
+		"default:coal_lump",
+		"default:coal_lump",
+		"default:coal_lump",
+	},
+})
+
+minetest.register_craft({
+	output = "technic:rubber",
+	type = "cooking",
+	recipe = "technic:rubber_goo",
+})

technic/items.lua

@@ -134,6 +134,11 @@ minetest.register_node("technic:machine_casing", {
 	sounds = default.node_sound_stone_defaults(),
 })
 
+minetest.register_craftitem("technic:rubber_goo", {
+	description = S("Rubber Goo"),
+	inventory_image = "technic_rubber_goo.png",
+})
+
 for p = 0, 35 do
 	local nici = (p ~= 0 and p ~= 7 and p ~= 35) and 1 or nil
 	local psuffix = p == 7 and "" or p

technic/machines/other/injector.lua

@@ -61,6 +61,9 @@ local function set_injector_formspec(meta)
 		(is_stack and
 			"button[0,1;2,1;mode_item;"..S("Stackwise").."]" or
 			"button[0,1;2,1;mode_stack;"..S("Itemwise").."]")..
+		(meta:get_int("public") == 1 and
+			"button[2,1;2,1;mode_private;"..S("Public").."]" or
+			"button[2,1;2,1;mode_public;"..S("Private").."]")..
 		"list[current_name;main;0,2;8,2;]"..
 		"list[current_player;main;0,5;8,4;]"..
 		"listring[]"..
@@ -123,6 +126,9 @@ minetest.register_node("technic:injector", {
 		if fields.mode_item then meta:set_string("mode", "single items") end
 		if fields.mode_stack then meta:set_string("mode", "whole stacks") end
 
+		if fields.mode_private then meta:set_int("public", 0) end
+		if fields.mode_public then meta:set_int("public", 1) end
+
 		if fields["fs_helpers_cycling:0:splitstacks"]
 		  or fields["fs_helpers_cycling:1:splitstacks"] then
 			if not pipeworks.may_configure(pos, sender) then return end