Add bandage which heals teammates only (#41)

* Add better bandages mod

* Add newline

mods/ctf_bandages/depends.txt

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+default
+ctf

mods/ctf_bandages/description.txt

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+Adds a bandage which heals team-mates if they are below 15 HP. The bandages heal 3-4 HP until the player reaches 15 HP.

mods/ctf_bandages/init.lua

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+minetest.register_alias("bandage", "ctf_bandages:bandage")
+
+local healing_limit = 15
+
+minetest.register_craftitem("ctf_bandages:bandage", {
+	description = "Bandage, heals teammates for 3-4 HP until HP is equal to "..healing_limit,
+	inventory_image = "ctf_bandages_bandage.png",
+	on_use = function(itemstack, player, pointed_thing)
+	if pointed_thing.type ~= "object" then
+		return
+	end
+	local object = pointed_thing.ref
+	if not object:is_player() then
+		return
+	end
+	local pname = object:get_player_name()
+	local name = player:get_player_name()
+	if ctf.player(pname).team == ctf.player(name).team then
+			local hp = object:get_hp()
+			if hp > 0 and hp < healing_limit then
+				hp = hp + math.random(3,4)
+				if hp > healing_limit then
+					hp = healing_limit
+				end
+				object:set_hp(hp)
+				itemstack:take_item()
+				return itemstack
+			else
+				minetest.chat_send_player(name, pname .. " has " .. hp .. " HP. You can't heal them.")
+			end
+	else
+		minetest.chat_send_player(name, pname.." isn't in your team!")
+	end
+end,
+})
+
+minetest.register_craft({
+	type = "shaped",
+	output = "ctf_bandages:bandage",
+	recipe = {
+		{"farming:cotton", "farming:cotton", "farming:cotton"},
+		{"farming:cotton", "group:wool", "farming:cotton"},
+		{"farming:cotton", "farming:cotton", "farming:cotton"}
+	}
+})