VoxeLibre/mods/ITEMS/mcl_potions/init.lua

local S = minetest.get_translator("mcl_potions")
mcl_potions = {}

local modpath = minetest.get_modpath("mcl_potions")
dofile(modpath .. "/invisibility.lua")

local brewhelp = S("Put this item in an item frame for decoration. It's useless otherwise.")

minetest.register_craftitem("mcl_potions:fermented_spider_eye", {
	description = S("Fermented Spider Eye"),
	_doc_items_longdesc = brewhelp,
	wield_image = "mcl_potions_spider_eye_fermented.png",
	inventory_image = "mcl_potions_spider_eye_fermented.png",
	-- TODO: Reveal item when it's actually useful
	groups = { brewitem = 1, not_in_creative_inventory = 0, not_in_craft_guide = 0 },
	stack_max = 64,
})

minetest.register_craft({
	type = "shapeless",
	output = "mcl_potions:fermented_spider_eye",
	recipe = { "mcl_mushrooms:mushroom_brown", "mcl_core:sugar", "mcl_mobitems:spider_eye" },
})

minetest.register_craftitem("mcl_potions:glass_bottle", {
	description = S("Glass Bottle"),
	_tt_help = S("Liquid container"),
	_doc_items_longdesc = S("A glass bottle is used as a container for liquids and can be used to collect water directly."),
	_doc_items_usagehelp = S("To collect water, it on a cauldron with water (which removes a level of water) or any water source (which removes no water)."),
	inventory_image = "mcl_potions_potion_bottle_empty.png",
	wield_image = "mcl_potions_potion_bottle_empty.png",
	groups = {brewitem=1},
	liquids_pointable = true,
	on_place = function(itemstack, placer, pointed_thing)
		if pointed_thing.type == "node" then
			local node = minetest.get_node(pointed_thing.under)
			local def = minetest.registered_nodes[node.name]

			-- Call on_rightclick if the pointed node defines it
			if placer and not placer:get_player_control().sneak then
				if def and def.on_rightclick then
					return def.on_rightclick(pointed_thing.under, node, placer, itemstack) or itemstack
				end
			end

			-- Try to fill glass bottle with water
			local get_water = false
			local from_liquid_source = false
			local river_water = false
			if not def then
				-- Unknown node: no-op
			elseif def.groups and def.groups.water and def.liquidtype == "source" then
				-- Water source
				get_water = true
				from_liquid_source = true
				river_water = node.name == "mclx_core:river_water_source"
			-- Or reduce water level of cauldron by 1
			elseif string.sub(node.name, 1, 14) == "mcl_cauldrons:" then
				local pname = placer:get_player_name()
				if minetest.is_protected(pointed_thing.under, pname) then
					minetest.record_protection_violation(pointed_thing.under, pname)
					return itemstack
				end
				if node.name == "mcl_cauldrons:cauldron_3" then
					get_water = true
					minetest.set_node(pointed_thing.under, {name="mcl_cauldrons:cauldron_2"})
				elseif node.name == "mcl_cauldrons:cauldron_2" then
					get_water = true
					minetest.set_node(pointed_thing.under, {name="mcl_cauldrons:cauldron_1"})
				elseif node.name == "mcl_cauldrons:cauldron_1" then
					get_water = true
					minetest.set_node(pointed_thing.under, {name="mcl_cauldrons:cauldron"})
				elseif node.name == "mcl_cauldrons:cauldron_3r" then
					get_water = true
					river_water = true
					minetest.set_node(pointed_thing.under, {name="mcl_cauldrons:cauldron_2r"})
				elseif node.name == "mcl_cauldrons:cauldron_2r" then
					get_water = true
					river_water = true
					minetest.set_node(pointed_thing.under, {name="mcl_cauldrons:cauldron_1r"})
				elseif node.name == "mcl_cauldrons:cauldron_1r" then
					get_water = true
					river_water = true
					minetest.set_node(pointed_thing.under, {name="mcl_cauldrons:cauldron"})
				end
			end
			if get_water then
				local creative = minetest.settings:get_bool("creative_mode") == true
				if from_liquid_source or creative then
					-- Replace with water bottle, if possible, otherwise
					-- place the water potion at a place where's space
					local water_bottle
					if river_water then
						water_bottle = ItemStack("mcl_potions:potion_river_water")
					else
						water_bottle = ItemStack("mcl_potions:potion_water")
					end
					local inv = placer:get_inventory()
					if creative then
						-- Don't replace empty bottle in creative for convenience reasons
						if not inv:contains_item("main", water_bottle) then
							inv:add_item("main", water_bottle)
						end
					elseif itemstack:get_count() == 1 then
						return water_bottle
					else
						if inv:room_for_item("main", water_bottle) then
							inv:add_item("main", water_bottle)
						else
							minetest.add_item(placer:get_pos(), water_bottle)
						end
						itemstack:take_item()
					end
				end
				minetest.sound_play("mcl_potions_bottle_fill", {pos=pointed_thing.under, gain=0.5, max_hear_range=16}, true)
			end
		end
		return itemstack
	end,
})

minetest.register_craft( {
	output = "mcl_potions:glass_bottle 3",
	recipe = {
		{ "mcl_core:glass", "", "mcl_core:glass" },
		{ "", "mcl_core:glass", "" }
	}
})

-- Template function for creating images of filled potions
-- - colorstring must be a ColorString of form “#RRGGBB”, e.g. “#0000FF” for blue.
-- - opacity is optional opacity from 0-255 (default: 127)
local potion_image = function(colorstring, opacity)
	if not opacity then
		opacity = 127
	end
	return "mcl_potions_potion_overlay.png^[colorize:"..colorstring..":"..tostring(opacity).."^mcl_potions_potion_bottle_drinkable.png"
end

local splash_image = function(colorstring, opacity)
	if not opacity then
		opacity = 127
	end
	return "mcl_potions_splash_overlay.png^[colorize:"..colorstring..":"..tostring(opacity).."^mcl_potions_splash_bottle.png"
end

-- Cauldron fill up rules:
-- Adding any water increases the water level by 1, preserving the current water type
local cauldron_levels = {
	-- start = { add water, add river water }
	{ "",    "_1",  "_1r" },
	{ "_1",  "_2",  "_2" },
	{ "_2",  "_3",  "_3" },
	{ "_1r", "_2r",  "_2r" },
	{ "_2r", "_3r", "_3r" },
}
local fill_cauldron = function(cauldron, water_type)
	local base = "mcl_cauldrons:cauldron"
	for i=1, #cauldron_levels do
		if cauldron == base .. cauldron_levels[i][1] then
			if water_type == "mclx_core:river_water_source" then
				return base .. cauldron_levels[i][3]
			else
				return base .. cauldron_levels[i][2]
			end
		end
	end
end

-- Itemstring of potions is “mcl_potions:potion_<NBT Potion Tag>”

minetest.register_craftitem("mcl_potions:potion_water", {
	description = S("Water Bottle"),
	_tt_help = S("No effect"),
	_doc_items_longdesc = S("Water bottles can be used to fill cauldrons. Drinking water has no effect."),
	_doc_items_usagehelp = S("Use the “Place” key to drink. Place this item on a cauldron to pour the water into the cauldron."),
	stack_max = 1,
	inventory_image = potion_image("#0000FF"),
	wield_image = potion_image("#0000FF"),
	groups = {brewitem=1, food=3, can_eat_when_full=1, water_bottle=1},
	on_place = function(itemstack, placer, pointed_thing)
		if pointed_thing.type == "node" then
			local node = minetest.get_node(pointed_thing.under)
			local def = minetest.registered_nodes[node.name]

			-- Call on_rightclick if the pointed node defines it
			if placer and not placer:get_player_control().sneak then
				if def and def.on_rightclick then
					return def.on_rightclick(pointed_thing.under, node, placer, itemstack) or itemstack
				end
			end

			local cauldron = fill_cauldron(node.name, "mcl_core:water_source")
			if cauldron then
				local pname = placer:get_player_name()
				if minetest.is_protected(pointed_thing.under, pname) then
					minetest.record_protection_violation(pointed_thing.under, pname)
					return itemstack
				end
				-- Increase water level of cauldron by 1
				minetest.set_node(pointed_thing.under, {name=cauldron})
				minetest.sound_play("mcl_potions_bottle_pour", {pos=pointed_thing.under, gain=0.5, max_hear_range=16}, true)
				if minetest.settings:get_bool("creative_mode") == true then
					return itemstack
				else
					return "mcl_potions:glass_bottle"
				end
			end
		end

		-- Drink the water by default
		return minetest.do_item_eat(0, "mcl_potions:glass_bottle", itemstack, placer, pointed_thing)
	end,
	on_secondary_use = minetest.item_eat(0, "mcl_potions:glass_bottle"),
})

minetest.register_craftitem("mcl_potions:potion_river_water", {
	description = S("River Water Bottle"),
	_tt_help = S("No effect"),
	_doc_items_longdesc = S("River water bottles can be used to fill cauldrons. Drinking it has no effect."),
	_doc_items_usagehelp = S("Use the “Place” key to drink. Place this item on a cauldron to pour the river water into the cauldron."),

	stack_max = 1,
	inventory_image = potion_image("#0044FF"),
	wield_image = potion_image("#0044FF"),
	groups = {brewitem=1, food=3, can_eat_when_full=1, water_bottle=1},
	on_place = function(itemstack, placer, pointed_thing)
		if pointed_thing.type == "node" then
			local node = minetest.get_node(pointed_thing.under)
			local def = minetest.registered_nodes[node.name]

			-- Call on_rightclick if the pointed node defines it
			if placer and not placer:get_player_control().sneak then
				if def and def.on_rightclick then
					return def.on_rightclick(pointed_thing.under, node, placer, itemstack) or itemstack
				end
			end

			local cauldron = fill_cauldron(node.name, "mclx_core:river_water_source")
			if cauldron then
				local pname = placer:get_player_name()
				if minetest.is_protected(pointed_thing.under, pname) then
					minetest.record_protection_violation(pointed_thing.under, pname)
					return itemstack
				end
				-- Increase water level of cauldron by 1
				minetest.set_node(pointed_thing.under, {name=cauldron})
				minetest.sound_play("mcl_potions_bottle_pour", {pos=pointed_thing.under, gain=0.5, max_hear_range=16}, true)
				if minetest.settings:get_bool("creative_mode") == true then
					return itemstack
				else
					return "mcl_potions:glass_bottle"
				end
			end
		end

		-- Drink the water by default
		return minetest.do_item_eat(0, "mcl_potions:glass_bottle", itemstack, placer, pointed_thing)
	end,
	on_secondary_use = minetest.item_eat(0, "mcl_potions:glass_bottle"),
})



local how_to_drink = S("Use the “Place” key to drink it.")

minetest.register_craftitem("mcl_potions:potion_awkward", {
	description = S("Awkward Potion"),
	_tt_help = S("No effect"),
	_doc_items_longdesc = S("This potion has an awkward taste and is used for brewing more potions. Drinking it has no effect."),
	_doc_items_usagehelp = how_to_drink,
	stack_max = 1,
	inventory_image = potion_image("#0000FF"),
	wield_image = potion_image("#0000FF"),
	-- TODO: Reveal item when it's actually useful
	groups = {brewitem=1, food=3, can_eat_when_full=1, not_in_creative_inventory=1},
	on_place = minetest.item_eat(0, "mcl_potions:glass_bottle"),
	on_secondary_use = minetest.item_eat(0, "mcl_potions:glass_bottle"),
})
minetest.register_craftitem("mcl_potions:potion_mundane", {
	description = S("Mundane Potion"),
	_tt_help = S("No effect"),
	_doc_items_longdesc = S("This potion has a clean taste and is used for brewing more potions. Drinking it has no effect."),
	_doc_items_usagehelp = how_to_drink,
	stack_max = 1,
	inventory_image = potion_image("#0000FF"),
	wield_image = potion_image("#0000FF"),
	-- TODO: Reveal item when it's actually useful
	groups = {brewitem=1, food=3, can_eat_when_full=1, not_in_creative_inventory=1 },
	on_place = minetest.item_eat(0, "mcl_potions:glass_bottle"),
	on_secondary_use = minetest.item_eat(0, "mcl_potions:glass_bottle"),
})


minetest.register_craftitem("mcl_potions:potion_thick", {
	description = S("Thick Potion"),
	_tt_help = S("No effect"),
	_doc_items_longdesc = S("This potion has a bitter taste and is used for brewing more potions. Drinking it has no effect."),
	_doc_items_usagehelp = how_to_drink,
	stack_max = 1,
	inventory_image = potion_image("#0000FF"),
	wield_image = potion_image("#0000FF"),
	-- TODO: Reveal item when it's actually useful
	groups = {brewitem=1, food=3, can_eat_when_full=1, not_in_creative_inventory=0 },
	on_place = minetest.item_eat(0, "mcl_potions:glass_bottle"),
	on_secondary_use = minetest.item_eat(0, "mcl_potions:glass_bottle"),
})

minetest.register_craftitem("mcl_potions:speckled_melon", {
	description = S("Glistering Melon"),
	_doc_items_longdesc = S("This shiny melon is full of tiny gold nuggets and would be nice in an item frame. It isn't edible and not useful for anything else."),
	stack_max = 64,
	groups = { brewitem = 1, not_in_creative_inventory = 0, not_in_craft_guide = 1 },
	inventory_image = "mcl_potions_melon_speckled.png",
})

minetest.register_craft({
	output = "mcl_potions:speckled_melon",
	recipe = {
		{'mcl_core:gold_nugget', 'mcl_core:gold_nugget', 'mcl_core:gold_nugget'},
		{'mcl_core:gold_nugget', 'mcl_farming:melon_item', 'mcl_core:gold_nugget'},
		{'mcl_core:gold_nugget', 'mcl_core:gold_nugget', 'mcl_core:gold_nugget'},
	}
})

minetest.register_craftitem("mcl_potions:dragon_breath", {
	description = S("Dragon's Breath"),
	_doc_items_longdesc = brewhelp,
	wield_image = "mcl_potions_dragon_breath.png",
	inventory_image = "mcl_potions_dragon_breath.png",
	groups = { brewitem = 1, not_in_creative_inventory = 0 },
	stack_max = 1,
})

local function _use_potion()
	minetest.item_eat(0, "mcl_potions:glass_bottle")
	minetest.sound_play("mcl_potions_drinking")
end

local healing_func = function(player, hp) player:set_hp(player:get_hp() + hp) end

minetest.register_craftitem("mcl_potions:healing", {
	description = S("Healing Potion"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#CC0000"),
	inventory_image = potion_image("#CC0000"),
	groups = { brewitem = 1, food=3, can_eat_when_full=1 },
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		healing_func(user, 4)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		healing_func(user, 4)
		_use_potion()
		return itemstack
	end,
})

minetest.register_craftitem("mcl_potions:healing_2", {
	description = S("Healing Potion II"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#DD0000"),
	inventory_image = potion_image("#DD0000"),
	groups = { brewitem = 1, food=3, can_eat_when_full=1 },
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		healing_func(user, 8)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		healing_func(user, 8)
		_use_potion()
		return itemstack
	end,

})

minetest.register_craftitem("mcl_potions:harming", {
	description = S("Harming Potion"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#660099"),
	inventory_image = potion_image("#660099"),
	groups = { brewitem = 1, food=3, can_eat_when_full=1 },
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		healing_func(user, -6)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		healing_func(user, -6)
		_use_potion()
		return itemstack
	end,
})

minetest.register_craftitem("mcl_potions:harming_2", {
	description = S("Harming Potion II"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#330066"),
	inventory_image = potion_image("#330066"),
	groups = { brewitem = 1, food=3, can_eat_when_full=1 },
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		healing_func(user, -12)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		healing_func(user, -12)
		_use_potion()
		return itemstack
	end,
})


minetest.register_craftitem("mcl_potions:night_vision", {
	description = S("Night Vision Potion"),
	_doc_items_longdesc = brewhelp,
	wield_image = "mcl_potions_night_vision.png",
	inventory_image = "mcl_potions_night_vision.png",
	groups = { brewitem = 1, food=0},
	stack_max = 1,
})

local swiftness_func = function(player, factor, duration)
	playerphysics.add_physics_factor(player, "speed", "swiftness", factor)
	minetest.after(duration, function() playerphysics.remove_physics_factor(player, "speed", "swiftness") end )
end

minetest.register_craftitem("mcl_potions:swiftness", {
	description = S("Swiftness Potion"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#009999"),
	inventory_image = potion_image("#009999"),
	groups = { brewitem = 1, food=0},
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		swiftness_func(user, 1.2, 180)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		swiftness_func(user, 1.2, 180)
		_use_potion()
		return itemstack
	end,
})

minetest.register_craftitem("mcl_potions:swiftness_2", {
	description = S("Swiftness Potion II"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#00BBBB"),
	inventory_image = potion_image("#00BBBB"),
	groups = { brewitem = 1, food=0},
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		swiftness_func(user, 1.4, 90)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		swiftness_func(user, 1.4, 90)
		_use_potion()
		return itemstack
	end,
})

minetest.register_craftitem("mcl_potions:swiftness_plus", {
	description = S("Swiftness Potion +"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#00AAAA"),
	inventory_image = potion_image("#00AAAA"),
	groups = { brewitem = 1, food=0},
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		swiftness_func(user, 1.2, 480)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		swiftness_func(user, 1.2, 480)
		_use_potion()
		return itemstack
	end,
})

minetest.register_craftitem("mcl_potions:slowness", {
	description = S("Slowness Potion"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#000080"),
	inventory_image = potion_image("#000080"),
	groups = { brewitem = 1, food=0},
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		swiftness_func(user, 0.85, 90)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		swiftness_func(user, 0.85, 90)
		_use_potion()
		return itemstack
	end,
})

minetest.register_craftitem("mcl_potions:slowness_plus", {
	description = S("Slowness Potion +"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#000066"),
	inventory_image = potion_image("#000066"),
	groups = { brewitem = 1, food=0},
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		swiftness_func(user, 0.85, 240)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		swiftness_func(user, 0.85, 240)
		_use_potion()
		return itemstack
	end,
})
local leaping_func = function(player, factor, duration)
	playerphysics.add_physics_factor(player, "jump", "leaping", factor)
	minetest.after(duration, function() playerphysics.remove_physics_factor(player, "jump", "leaping") end )
end


minetest.register_craftitem("mcl_potions:leaping", {
	description = S("Leaping Potion"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#00CC33"),
	inventory_image = potion_image("#00CC33"),
	groups = { brewitem = 1, food=0},
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		leaping_func(user, 1.2, 180)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		leaping_func(user, 1.2, 180)
		_use_potion()
		return itemstack
	end,
})

minetest.register_craftitem("mcl_potions:leaping_2", {
	description = S("Leaping Potion II"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#00EE33"),
	inventory_image = potion_image("#00EE33"),
	groups = { brewitem = 1, food=0},
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		leaping_func(user, 1.4, 90)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		leaping_func(user, 1.4, 90)
		_use_potion()
		return itemstack
	end,
})

minetest.register_craftitem("mcl_potions:leaping_plus", {
	description = S("Leaping Potion +"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#00DD33"),
	inventory_image = potion_image("#00DD33"),
	groups = { brewitem = 1, food=0},
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		leaping_func(user, 1.2, 480)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		leaping_func(user, 1.2, 480)
		_use_potion()
		return itemstack
	end,
})

local weakness_func = function(player, factor, duration)
	player:set_attribute("weakness", tostring(factor))
	print(player:get_player_name().." ".."weakness = "..player:get_attribute("weakness"))
	minetest.after(duration, function() player:set_attribute("weakness", tostring(0)) end )
end
minetest.register_craftitem("mcl_potions:weakness", {
	description = S("Weakness Potion"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#6600AA"),
	inventory_image = potion_image("#6600AA"),
	groups = { brewitem = 1, food=0},
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		weakness_func(user, 1.2, 180)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		weakness_func(user, 1.2, 180)
		_use_potion()
		return itemstack
	end
})

local poison_func = function(player, factor, duration)
	player:set_attribute("poison", tostring(factor))
	print(player:get_player_name().." ".."poison = "..player:get_attribute("poison"))
	minetest.after(duration, function() player:set_attribute("poison", tostring(0)) end )
end
minetest.register_craftitem("mcl_potions:poison", {
	description = S("Poison Potion"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#225533"),
	inventory_image = potion_image("#225533"),
	groups = { brewitem = 1, food = 0 },
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		poison_func(user, 2.5, 45)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		poison_func(user, 2.5, 45)
		_use_potion()
		return itemstack
	end
})

minetest.register_craftitem("mcl_potions:poison_2", {
	description = S("Poison Potion II"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#447755"),
	inventory_image = potion_image("#447755"),
	groups = { brewitem = 1, food = 0 },
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		poison_func(user, 1.2, 21)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		poison_func(user, 1.2, 21)
		_use_potion()
		return itemstack
	end
})

minetest.register_craftitem("mcl_potions:poison_plus", {
	description = S("Poison Potion +"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#336644"),
	inventory_image = potion_image("#336644"),
	groups = { brewitem = 1, food = 0 },
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		poison_func(user, 2.5, 90)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		poison_func(user, 2.5, 90)
		_use_potion()
		return itemstack
	end
})

local regeneration_func = function(player, factor, duration)
	player:set_attribute("regeneration", tostring(factor))
	print(player:get_player_name().." ".."regeneration = "..player:get_attribute("regeneration"))
	minetest.after(duration, function() player:set_attribute("regeneration", tostring(0)) end )
end
minetest.register_craftitem("mcl_potions:regeneration", {
	description = S("Regeneration Potion"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#A52BB2"),
	inventory_image = potion_image("#A52BB2"),
	groups = { brewitem = 1, food = 0 },
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		regeneration_func(user, 2.5, 45)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		regeneration_func(user, 2.5, 45)
		_use_potion()
		return itemstack
	end
})

minetest.register_craftitem("mcl_potions:regeneration_2", {
	description = S("Regeneration Potion II"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#B52CC2"),
	inventory_image = potion_image("#B52CC2"),
	groups = { brewitem = 1, food = 0 },
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		regeneration_func(user, 1.2, 21)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		regeneration_func(user, 1.2, 21)
		_use_potion()
		return itemstack
	end
})

minetest.register_craftitem("mcl_potions:regeneration_plus", {
	description = S("Regeneration Potion +"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#C53DD3"),
	inventory_image = potion_image("#C53DD3"),
	groups = { brewitem = 1, food = 0 },
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		regeneration_func(user, 2.5, 90)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		regeneration_func(user, 2.5, 90)
		_use_potion()
		return itemstack
	end
})

local invisiblility_func = function(player, duration)
	invisible(player, true)
	minetest.after(duration, function() mcl_potions.invisible(player, false) end )
end

minetest.register_craftitem("mcl_potions:invisibility", {
	description = S("Invisibility Potion"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#B0B0B0"),
	inventory_image = potion_image("#B0B0B0"),
	groups = { brewitem = 1, food = 0 },
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		invisiblility_func(user, 180)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		invisiblility_func(user, 180)
		_use_potion()
		return itemstack
	end
})

minetest.register_craftitem("mcl_potions:invisibility_plus", {
	description = S("Invisibility Potion +"),
	_doc_items_longdesc = brewhelp,
	wield_image = potion_image("#A0A0A0"),
	inventory_image = potion_image("#A0A0A0"),
	groups = { brewitem = 1, food = 0 },
	stack_max = 1,

	on_place = function(itemstack, user, pointed_thing)
		invisiblility_func(user, 480)
		_use_potion()
		return itemstack
	end,

	on_secondary_use = function(itemstack, user, pointed_thing)
		invisiblility_func(user, 480)
		_use_potion()
		return itemstack
	end
})

-- Look into reducing attack on punch
minetest.register_on_punchnode(function(pos, node, puncher, pointed_thing)
	if puncher:get_attribute("weakness") then
		print("Weakness Active")
	end
end)


function register_splash(name, descr, color, def)

    local id = "mcl_potions:"..name.."_splash"
    minetest.register_craftitem(id, {
        description = descr,
        inventory_image = splash_image(color),
        on_use = function(itemstack, placer, pointed_thing)
            --weapons_shot(itemstack, placer, pointed_thing, def.velocity, name)
            local velocity = 10
            local dir = placer:get_look_dir();
            local pos = placer:getpos();
            local obj = minetest.env:add_entity({x=pos.x+dir.x,y=pos.y+2+dir.y,z=pos.z+dir.z}, id.."_flying")
            obj:setvelocity({x=dir.x*velocity,y=dir.y*velocity,z=dir.z*velocity})
            obj:setacceleration({x=0, y=-9.8, z=0})
            itemstack:take_item()
            return itemstack
        end,
    })

    local w = 0.35

    minetest.register_entity(id.."_flying",{
        textures = {splash_image(color)},
		hp_max = 1,
		visual_size = {x=w,y=w},
		collisionbox = {-w,-w,-w, w,w,w},
        on_step = function(self, dtime)
          local pos = self.object:getpos()
          local node = minetest.get_node(pos)
          local n = node.name
					local d = 2
          if n ~= "air" then
						minetest.sound_play("mcl_potions_breaking_glass")
						minetest.add_particlespawner({
																				amount = 40,
																				time = 2,
																				minpos = {x=pos.x-d, y=pos.y, z=pos.z-d},
																				maxpos = {x=pos.x+d, y=pos.y+1, z=pos.z+d},
																				minvel = {x=-1, y=0, z=-1},
																				maxvel = {x=1, y=0.5, z=1},
																				minacc = {x=-0.5, y=0, z=-0.5},
																				maxacc = {x=0.5, y=.2, z=0.5},
																				minexptime = 1,
																				maxexptime = 5,
																				minsize = 2,
																				maxsize = 4,
																				collisiondetection = true,
																				vertical = false,
																				texture = "mcl_potions_sprite.png^[colorize:"..color..":127",
																			})
            self.object:remove()
						for i, obj in ipairs(minetest.get_objects_inside_radius(pos, 3)) do
							if minetest.is_player(obj) then def.potion_fun(obj) end
						end
					end
        end,
    })
end

register_splash("healing", "Splash Healing", "#AA0000", {
    potion_fun = function(player) player:set_hp(player:get_hp() + 3) end,
})

register_splash("healing_2", "Splash Healing II", "#DD0000", {
    potion_fun = function(player) player:set_hp(player:get_hp() + 6) end,
})

register_splash("harming", "Splash Harming", "#660099", {
    potion_fun = function(player) healing_func(player, -4) end,
})

register_splash("harming_2", "Splash Harming II", "#330066", {
    potion_fun = function(player) healing_func(player, -6) end,
})

register_splash("leaping", "Splash Leaping", "#00CC33", {
		potion_fun = function(player) leaping_func(player, 1.2, 135) end
})

register_splash("leaping_2", "Splash Leaping II", "#00EE33", {
		potion_fun = function(player) leaping_func(player, 1.4, 135) end
})

register_splash("leaping_plus", "Splash Leaping +", "#00DD33", {
		potion_fun = function(player) leaping_func(player, 1.2, 360) end
})

register_splash("swiftness", "Splash Swiftness", "#009999", {
		potion_fun = function(player) swiftness_func(player, 1.2, 135) end
})

register_splash("swiftness_2", "Splash Swiftness II", "#00BBBB", {
		potion_fun = function(player) swiftness_func(player, 1.4, 135) end
})

register_splash("swiftness_plus", "Splash Swiftness +", "#00BBBB", {
		potion_fun = function(player) swiftness_func(player, 1.2, 360) end
})

register_splash("slowness", "Splash Slowness ", "#000080", {
		potion_fun = function(player) swiftness_func(player, 0.85, 68) end
})

register_splash("slowness_plus", "Splash Slowness +", "#000066", {
		potion_fun = function(player) swiftness_func(player, 0.85, 180) end
})

register_splash("poison", "Splash Poison", "#335544", {
		potion_fun = function(player) poison_func(player, 0.85, 180) end
})

register_splash("poison_2", "Splash Poison II", "#446655", {
		potion_fun = function(player) poison_func(player, 0.85, 180) end
})

register_splash("poison_plus", "Splash Poison II", "#557766", {
		potion_fun = function(player) poison_func(player, 0.85, 180) end
})

register_splash("regeneration", "Splash Regeneration", "#A52BB2", {
		potion_fun = function(player) regeneration_func(player, 0.85, 180) end
})

register_splash("regeneration_2", "Splash Regeneration II", "#B52CC2", {
		potion_fun = function(player) regeneration_func(player, 0.85, 180) end
})

register_splash("regeneration_plus", "Splash Regeneration +", "#C53DD3", {
		potion_fun = function(player) regeneration_func(player, 0.85, 180) end
})

register_splash("invisibility", "Splash Invisibility", "#B0B0B0", {
	potion_fun = function(player) invisiblility_func(player, 135) end
})

register_splash("invisibility", "Splash Invisibility", "#A0A0A0", {
	potion_fun = function(player) invisiblility_func(player, 300) end
})

-- duration effects of redstone are a factor of 8/3
-- duration effects of glowstone are a time factor of 1/2 and effect of 14/12
-- splash potion effects are reduced by a factor of 3/4

local water_table = {
	["mcl_nether:nether_wart_item"] = "mcl_potions:potion_awkward",
	["mcl_potions:fermented_spider_eye"] = "mcl_potions:weakness",
}

local awkward_table = {
	["mcl_potions:speckled_melon"] = "mcl_potions:healing",
	["mcl_farming:carrot_item_gold"] = "mcl_potions:night_vision",
	["mcl_core:sugar"] = "mcl_potions:swiftness",
	["mcl_mobitems:magma_cream"] = "mcl_potions:fire_resistance", --add craft
	["mcl_mobitems:blaze_powder"] = "mcl_potions:strength", --add craft
	["mcl_fishing:pufferfish_raw"] = "mcl_potions:water_breathing", --add craft
	["mcl_mobitems:ghast_tear"] = "mcl_potions:regeneration", --add craft
	["mcl_mobitems:spider_eye"] = "mcl_potions:poison", --add craft
	["mcl_mobitems:rabbit_foot"] = "mcl_potions:leaping", --add craft
}

local output_table = {
	["mcl_potions:potion_river_water"] = water_table,
	["mcl_potions:potion_water"] = water_table,
	["mcl_potions:potion_awkward"] = awkward_table,
}


local enhancement_table = {}
local extension_table = {}
local potions = {}
for i, potion in ipairs({"healing","harming","swiftness","leaping","poison","regeneration"}) do
    enhancement_table["mcl_potions:"..potion] = "mcl_potions:"..potion.."_2"
		table.insert(potions, potion)
		table.insert(potions, potion.."_2")
		if potion ~= "healing" and potion ~= "harming" then
			extension_table["mcl_potions:"..potion] = "mcl_potions:"..potion.."_plus"
			table.insert(potions, potion.."_plus")
		end
end


local inversion_table = {
	["mcl_potions:healing"] = "mcl_potions:harming",
	["mcl_potions:healing_2"] = "mcl_potions:harming_2",
	["mcl_potions:swiftness"] = "mcl_potions:slowness",
	["mcl_potions:swiftness_2"] = "mcl_potions:slowness_plus",
	["mcl_potions:swiftness_plus"] = "mlc_potions:slowness_plus",
	["mcl_potions:leaping"] = "mcl_potions:slowness",
	["mcl_potions:leaping_2"] = "mcl_potions:slowness_plus",
	["mcl_potions:leaping_plus"] = "mcl_potions:slowness_plus",
	["mcl_potions:night_vision"] = "mcl_potions:invisibility",
}


local splash_table = {}

for i, potion in ipairs(potions) do
    splash_table["mcl_potions:"..potion] = "mcl_potions:"..potion.."_splash"
end

local mod_table = {
	["mesecons:wire_00000000_off"] = extension_table,
	["mcl_potions:fermented_spider_eye"] = inversion_table,
	["mcl_nether:glowstone_dust"] = enhancement_table,
	["mcl_mobitems:gunpowder"] = splash_table,
}

mcl_potions = {}
-- Compare two ingredients for compatable alchemy
function mcl_potions.get_alchemy(ingr, pot)

	if output_table[pot] ~= nil then
		local brew_table = output_table[pot]
		if brew_table[ingr] ~= nil then
			return brew_table[ingr]
		end

	elseif mod_table[ingr] ~= nil then
		local brew_table = mod_table[ingr]
		if brew_table[pot] ~= nil then
			return brew_table[pot]
		end
	elseif splash_table[ingr] ~= nil then
		local brew_table = mod_table[ingr]
		if brew_table[pot] ~= nil then
			return brew_table[pot]
		end
	end

	return false
end