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VoxeLibre/mods/ITEMS/mcl_potions/init.lua

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local modname = minetest.get_current_modname()
local modpath = minetest.get_modpath(modname)
local S = minetest.get_translator(modname)
mcl_potions = {}
-- duration effects of redstone are a factor of 8/3
-- duration effects of glowstone are a time factor of 1/2
-- splash potion duration effects are reduced by a factor of 3/4
mcl_potions.POTENT_FACTOR = 2
mcl_potions.PLUS_FACTOR = 8/3
mcl_potions.INV_FACTOR = 0.50
mcl_potions.DURATION = 180
mcl_potions.DURATION_INV = mcl_potions.DURATION * mcl_potions.INV_FACTOR
mcl_potions.DURATION_POISON = 45
mcl_potions.II_FACTOR = mcl_potions.POTENT_FACTOR -- TODO remove at some point
mcl_potions.DURATION_PLUS = mcl_potions.DURATION * mcl_potions.PLUS_FACTOR -- TODO remove at some point
mcl_potions.DURATION_2 = mcl_potions.DURATION / mcl_potions.II_FACTOR -- TODO remove at some point
mcl_potions.SPLASH_FACTOR = 0.75
mcl_potions.LINGERING_FACTOR = 0.25
dofile(modpath .. "/functions.lua")
dofile(modpath .. "/commands.lua")
dofile(modpath .. "/splash.lua")
dofile(modpath .. "/lingering.lua")
dofile(modpath .. "/tipped_arrow.lua")
dofile(modpath .. "/potions.lua")
local potions = mcl_potions.registered_potions
minetest.register_craftitem("mcl_potions:fermented_spider_eye", {
description = S("Fermented Spider Eye"),
_doc_items_longdesc = S("Try different combinations to create potions."),
wield_image = "mcl_potions_spider_eye_fermented.png",
inventory_image = "mcl_potions_spider_eye_fermented.png",
groups = { brewitem = 1, },
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, use 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.png",
wield_image = "mcl_potions_potion_bottle.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 def and 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 water_bottle
if river_water then
water_bottle = ItemStack("mcl_potions:river_water")
else
water_bottle = ItemStack("mcl_potions:water")
end
-- Replace with water bottle, if possible, otherwise
-- place the water potion at a place where's space
local inv = placer:get_inventory()
minetest.sound_play("mcl_potions_bottle_fill", {pos=pointed_thing.under, gain=0.5, max_hear_range=16}, true)
if minetest.is_creative_enabled(placer:get_player_name()) 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
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 function potion_image(colorstring, opacity)
if not opacity then
opacity = 127
end
return "mcl_potions_potion_overlay.png^[colorize:"..colorstring..":"..tostring(opacity).."^mcl_potions_potion_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
-- function to set node and empty water bottle (used for cauldrons and mud)
local function set_node_empty_bottle(itemstack, placer, pointed_thing, newitemstring)
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
-- set the node to `itemstring`
minetest.set_node(pointed_thing.under, {name=newitemstring})
-- play sound
minetest.sound_play("mcl_potions_bottle_pour", {pos=pointed_thing.under, gain=0.5, max_hear_range=16}, true)
--
if minetest.is_creative_enabled(placer:get_player_name()) then
return itemstack
else
return "mcl_potions:glass_bottle"
end
end
-- used for water bottles and river water bottles
local function dispense_water_bottle(stack, pos, droppos)
local node = minetest.get_node(droppos)
if node.name == "mcl_core:dirt" or node.name == "mcl_core:coarse_dirt" then
-- convert dirt/coarse dirt to mud
minetest.set_node(droppos, {name = "mcl_mud:mud"})
minetest.sound_play("mcl_potions_bottle_pour", {pos=droppos, gain=0.5, max_hear_range=16}, true)
return ItemStack("mcl_potions:glass_bottle")
elseif node.name == "mcl_mud:mud" then
-- dont dispense into mud
return stack
end
end
-- on_place function for `mcl_potions:water` and `mcl_potions:river_water`
local function water_bottle_on_place(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 = nil
if itemstack:get_name() == "mcl_potions:water" then -- regular water
cauldron = fill_cauldron(node.name, "mcl_core:water_source")
elseif itemstack:get_name() == "mcl_potions:river_water" then -- river water
cauldron = fill_cauldron(node.name, "mclx_core:river_water_source")
end
if cauldron then
set_node_empty_bottle(itemstack, placer, pointed_thing, cauldron)
elseif node.name == "mcl_core:dirt" or node.name == "mcl_core:coarse_dirt" then
set_node_empty_bottle(itemstack, placer, pointed_thing, "mcl_mud:mud")
end
end
-- Drink the water by default
return minetest.do_item_eat(0, "mcl_potions:glass_bottle", itemstack, placer, pointed_thing)
end
-- Itemstring of potions is “mcl_potions:<NBT Potion Tag>”
minetest.register_craftitem("mcl_potions: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("#0022FF"),
wield_image = potion_image("#0022FF"),
groups = {brewitem=1, food=3, can_eat_when_full=1, water_bottle=1, bottle=1},
on_place = water_bottle_on_place,
_on_dispense = dispense_water_bottle,
_dispense_into_walkable = true,
on_secondary_use = minetest.item_eat(0, "mcl_potions:glass_bottle"),
})
minetest.register_craftitem("mcl_potions: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, bottle=1},
on_place = water_bottle_on_place,
_on_dispense = dispense_water_bottle,
_dispense_into_walkable = true,
on_secondary_use = minetest.item_eat(0, "mcl_potions:glass_bottle"),
})
-- Hurt mobs
local function water_splash(obj, damage)
if not obj then
return
end
if not damage or (damage > 0 and damage < 1) then
damage = 1
end
-- Damage mobs that are vulnerable to water
local lua = obj:get_luaentity()
if lua and lua.is_mob then
obj:punch(obj, 1.0, {
full_punch_interval = 1.0,
damage_groups = {water_vulnerable=damage},
}, nil)
end
end
mcl_potions.register_splash("water", S("Splash Water Bottle"), "#0022FF", {
tt=S("Extinguishes fire and hurts some mobs"),
longdesc=S("A throwable water bottle that will shatter on impact, where it extinguishes nearby fire and hurts mobs that are vulnerable to water."),
no_effect=true,
potion_fun=water_splash,
effect=1
})
mcl_potions.register_lingering("water", S("Lingering Water Bottle"), "#0022FF", {
tt=S("Extinguishes fire and hurts some mobs"),
longdesc=S("A throwable water bottle that will shatter on impact, where it creates a cloud of water vapor that lingers on the ground for a while. This cloud extinguishes fire and hurts mobs that are vulnerable to water."),
no_effect=true,
potion_fun=water_splash,
effect=1
})
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, },
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"},
}
})
local output_table = { }
-- API
-- registers a potion that can be combined with multiple ingredients for different outcomes
-- out_table contains the recipes for those outcomes
function mcl_potions.register_ingredient_potion(input, out_table)
if output_table[input] then
error("Attempt to register the same ingredient twice!")
end
if type(input) ~= "string" then
error("Invalid argument! input must be a string")
end
if type(out_table) ~= "table" then
error("Invalid argument! out_table must be a table")
end
output_table[input] = out_table
end
local water_table = {
["mcl_nether:nether_wart_item"] = "mcl_potions:awkward",
["mcl_potions:fermented_spider_eye"] = "mcl_potions:weakness",
["mcl_potions:speckled_melon"] = "mcl_potions:mundane",
["mcl_core:sugar"] = "mcl_potions:mundane",
["mcl_mobitems:magma_cream"] = "mcl_potions:mundane",
["mcl_mobitems:blaze_powder"] = "mcl_potions:mundane",
["mesecons:wire_00000000_off"] = "mcl_potions:mundane",
["mcl_mobitems:ghast_tear"] = "mcl_potions:mundane",
["mcl_mobitems:spider_eye"] = "mcl_potions:mundane",
["mcl_mobitems:rabbit_foot"] = "mcl_potions:mundane",
["mcl_nether:glowstone_dust"] = "mcl_potions:thick",
["mcl_mobitems:gunpowder"] = "mcl_potions:water_splash"
}
-- API
-- register a potion recipe brewed from water
function mcl_potions.register_water_brew(ingr, potion)
if water_table[ingr] then
error("Attempt to register the same ingredient twice!")
end
if type(ingr) ~= "string" then
error("Invalid argument! ingr must be a string")
end
if type(potion) ~= "string" then
error("Invalid argument! potion must be a string")
end
water_table[ingr] = potion
end
mcl_potions.register_ingredient_potion("mcl_potions:river_water", water_table)
mcl_potions.register_ingredient_potion("mcl_potions:water", water_table)
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",
["mcl_mobitems:blaze_powder"] = "mcl_potions:strength",
["mcl_fishing:pufferfish_raw"] = "mcl_potions:water_breathing",
["mcl_mobitems:ghast_tear"] = "mcl_potions:regeneration",
["mcl_mobitems:spider_eye"] = "mcl_potions:poison",
["mcl_flowers:wither_rose"] = "mcl_potions:withering",
["mcl_mobitems:rabbit_foot"] = "mcl_potions:leaping",
["mcl_flowers:fourleaf_clover"] = "mcl_potions:luck",
["mcl_farming:potato_item_poison"] = "mcl_potions:nausea",
["mcl_mobitems:spectre_membrane"] = "mcl_potions:slow_falling",
["mcl_core:apple_gold"] = "mcl_potions:resistance",
["mcl_mobitems:aery_charge"] = "mcl_potions:haste",
["mcl_mobitems:crystalline_drop"] = "mcl_potions:absorption",
["mcl_mobitems:earthen_ash"] = "mcl_potions:stone_cloak",
["mcl_mobitems:shiny_ice_crystal"] = "mcl_potions:frost",
-- TODO darkness - sculk?
}
-- API
-- register a potion recipe brewed from awkward potion
function mcl_potions.register_awkward_brew(ingr, potion)
if awkward_table[ingr] then
error("Attempt to register the same ingredient twice!")
end
if type(ingr) ~= "string" then
error("Invalid argument! ingr must be a string")
end
if type(potion) ~= "string" then
error("Invalid argument! potion must be a string")
end
awkward_table[ingr] = potion
end
mcl_potions.register_ingredient_potion("mcl_potions:awkward", awkward_table)
local mundane_table = {
["mcl_potions:fermented_spider_eye"] = "mcl_potions:weakness",
}
-- API
-- register a potion recipe brewed from mundane potion
function mcl_potions.register_mundane_brew(ingr, potion)
if mundane_table[ingr] then
error("Attempt to register the same ingredient twice!")
end
if type(ingr) ~= "string" then
error("Invalid argument! ingr must be a string")
end
if type(potion) ~= "string" then
error("Invalid argument! potion must be a string")
end
mundane_table[ingr] = potion
end
mcl_potions.register_ingredient_potion("mcl_potions:mundane", mundane_table)
local thick_table = {
["mcl_crimson:shroomlight"] = "mcl_potions:glowing",
["mcl_mobitems:nether_star"] = "mcl_potions:ominous",
["mcl_mobitems:ink_sac"] = "mcl_potions:blindness",
["mcl_farming:carrot_item_gold"] = "mcl_potions:saturation",
}
-- API
-- register a potion recipe brewed from thick potion
function mcl_potions.register_thick_brew(ingr, potion)
if thick_table[ingr] then
error("Attempt to register the same ingredient twice!")
end
if type(ingr) ~= "string" then
error("Invalid argument! ingr must be a string")
end
if type(potion) ~= "string" then
error("Invalid argument! potion must be a string")
end
thick_table[ingr] = potion
end
mcl_potions.register_ingredient_potion("mcl_potions:thick", thick_table)
local mod_table = { }
-- API
-- registers a brewing recipe altering the potion using a table
-- this is supposed to substitute one item with another
function mcl_potions.register_table_modifier(ingr, modifier)
if mod_table[ingr] then
error("Attempt to register the same ingredient twice!")
end
if type(ingr) ~= "string" then
error("Invalid argument! ingr must be a string")
end
if type(modifier) ~= "table" then
error("Invalid argument! modifier must be a table")
end
mod_table[ingr] = modifier
end
local inversion_table = {
["mcl_potions:healing"] = "mcl_potions:harming",
["mcl_potions:swiftness"] = "mcl_potions:slowness",
["mcl_potions:leaping"] = "mcl_potions:slowness",
["mcl_potions:night_vision"] = "mcl_potions:invisibility",
["mcl_potions:poison"] = "mcl_potions:harming",
["mcl_potions:luck"] = "mcl_potions:bad_luck",
["mcl_potions:haste"] = "mcl_potions:fatigue",
["mcl_potions:saturation"] = "mcl_potions:food_poisoning",
["mcl_potions:slow_falling"] = "mcl_potions:levitation",
["mcl_potions:absorption"] = "mcl_potions:health_boost",
["mcl_potions:glowing"] = "mcl_potions:darkness", -- TODO remove after adding a direct recipe?
}
-- API
function mcl_potions.register_inversion_recipe(input, output)
if inversion_table[input] then
error("Attempt to register the same input twice!")
end
if type(input) ~= "string" then
error("Invalid argument! input must be a string")
end
if type(output) ~= "string" then
error("Invalid argument! output must be a string")
end
inversion_table[input] = output
end
local function fill_inversion_table() -- autofills with splash and lingering inversion recipes
local filling_table = { }
for input, output in pairs(inversion_table) do
if potions[input].has_splash and potions[output].has_splash then
filling_table[input.."_splash"] = output .. "_splash"
if potions[input].has_lingering and potions[output].has_lingering then
filling_table[input.."_lingering"] = output .. "_lingering"
end
end
end
table.update(inversion_table, filling_table)
mcl_potions.register_table_modifier("mcl_potions:fermented_spider_eye", inversion_table)
end
minetest.register_on_mods_loaded(fill_inversion_table)
local splash_table = {}
local lingering_table = {}
for potion, def in pairs(potions) do
if def.has_splash then
splash_table[potion] = potion.."_splash"
if def.has_lingering then
lingering_table[potion.."_splash"] = potion.."_lingering"
end
end
end
mcl_potions.register_table_modifier("mcl_mobitems:gunpowder", splash_table)
mcl_potions.register_table_modifier("mcl_potions:dragon_breath", lingering_table)
local meta_mod_table = { }
-- API
-- registers a brewing recipe altering the potion using a function
-- this is supposed to be a recipe that changes metadata only
function mcl_potions.register_meta_modifier(ingr, mod_func)
if meta_mod_table[ingr] then
error("Attempt to register the same ingredient twice!")
end
if type(ingr) ~= "string" then
error("Invalid argument! ingr must be a string")
end
if type(mod_func) ~= "function" then
error("Invalid argument! mod_func must be a function")
end
meta_mod_table[ingr] = mod_func
end
local function extend_dur(potionstack)
local def = potions[potionstack:get_name()]
if not def then return false end
if not def.has_plus then return false end -- bail out if can't be extended
local potionstack = ItemStack(potionstack)
local meta = potionstack:get_meta()
local potent = meta:get_int("mcl_potions:potion_potent")
local plus = meta:get_int("mcl_potions:potion_plus")
if plus == 0 then
if potent ~= 0 then
meta:set_int("mcl_potions:potion_potent", 0)
end
meta:set_int("mcl_potions:potion_plus", def._default_extend_level)
tt.reload_itemstack_description(potionstack)
return potionstack
end
return false
end
mcl_potions.register_meta_modifier("mesecons:wire_00000000_off", extend_dur)
local function enhance_pow(potionstack)
local def = potions[potionstack:get_name()]
if not def then return false end
if not def.has_potent then return false end -- bail out if has no potent variant
local potionstack = ItemStack(potionstack)
local meta = potionstack:get_meta()
local potent = meta:get_int("mcl_potions:potion_potent")
local plus = meta:get_int("mcl_potions:potion_plus")
if potent == 0 then
if plus ~= 0 then
meta:set_int("mcl_potions:potion_plus", 0)
end
meta:set_int("mcl_potions:potion_potent", def._default_potent_level-1)
tt.reload_itemstack_description(potionstack)
return potionstack
end
return false
end
mcl_potions.register_meta_modifier("mcl_nether:glowstone_dust", enhance_pow)
-- Find an alchemical recipe for given ingredient and potion
-- returns outcome
function mcl_potions.get_alchemy(ingr, pot)
local brew_selector = output_table[pot:get_name()]
if brew_selector and brew_selector[ingr] then
local meta = pot:get_meta():to_table()
local alchemy = ItemStack(brew_selector[ingr])
local metaref = alchemy:get_meta()
metaref:from_table(meta)
tt.reload_itemstack_description(alchemy)
return alchemy
end
brew_selector = mod_table[ingr]
if brew_selector then
local brew = brew_selector[pot:get_name()]
if brew then
local meta = pot:get_meta():to_table()
local alchemy = ItemStack(brew)
local metaref = alchemy:get_meta()
metaref:from_table(meta)
tt.reload_itemstack_description(alchemy)
return alchemy
end
end
if meta_mod_table[ingr] then
local brew_func = meta_mod_table[ingr]
if brew_func then return brew_func(pot) end
end
return false
end
-- give withering to players in a wither rose
local etime = 0
minetest.register_globalstep(function(dtime)
etime = dtime + etime
if etime < 0.5 then return end
etime = 0
for _,pl in pairs(minetest.get_connected_players()) do
local npos = vector.offset(pl:get_pos(), 0, 0.2, 0)
local n = minetest.get_node(npos)
if n.name == "mcl_flowers:wither_rose" then mcl_potions.withering_func(pl, 1, 2) end
end
end)
mcl_wip.register_wip_item("mcl_potions:night_vision")
mcl_wip.register_wip_item("mcl_potions:night_vision_splash")
mcl_wip.register_wip_item("mcl_potions:night_vision_lingering")
mcl_wip.register_wip_item("mcl_potions:night_vision_arrow")
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