mirror of
https://git.minetest.land/MineClone2/MineClone2.git
synced 2024-12-12 20:53:16 +01:00
223 lines
7.5 KiB
Lua
223 lines
7.5 KiB
Lua
local S = minetest.get_translator(minetest.get_current_modname())
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local mod_target = minetest.get_modpath("mcl_target")
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local mod_campfire = minetest.get_modpath("mcl_campfires")
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local enable_pvp = minetest.settings:get_bool("enable_pvp")
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local math = math
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local vector = vector
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local YAW_OFFSET = -math.pi/2
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local mod_awards = minetest.get_modpath("awards") and minetest.get_modpath("mcl_achievements")
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local mod_button = minetest.get_modpath("mesecons_button")
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minetest.register_craftitem("mcl_bows:arrow", {
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description = S("Arrow"),
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_tt_help = S("Ammunition").."\n"..S("Damage from bow: 1-10").."\n"..S("Damage from dispenser: 3"),
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_doc_items_longdesc = S("Arrows are ammunition for bows and dispensers.").."\n"..
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S("An arrow fired from a bow has a regular damage of 1-9. At full charge, there's a 20% chance of a critical hit dealing 10 damage instead. An arrow fired from a dispenser always deals 3 damage.").."\n"..
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S("Arrows might get stuck on solid blocks and can be retrieved again. They are also capable of pushing wooden buttons."),
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_doc_items_usagehelp = S("To use arrows as ammunition for a bow, just put them anywhere in your inventory, they will be used up automatically. To use arrows as ammunition for a dispenser, place them in the dispenser's inventory. To retrieve an arrow that sticks in a block, simply walk close to it."),
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inventory_image = "mcl_bows_arrow_inv.png",
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groups = { ammo=1, ammo_bow=1, ammo_bow_regular=1, ammo_crossbow=1 },
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_on_dispense = function(itemstack, dispenserpos, droppos, dropnode, dropdir)
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-- Shoot arrow
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local shootpos = vector.add(dispenserpos, vector.multiply(dropdir, 0.51))
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local yaw = math.atan2(dropdir.z, dropdir.x) + YAW_OFFSET
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mcl_bows.shoot_arrow(itemstack:get_name(), shootpos, dropdir, yaw, nil, 19, 3)
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end,
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})
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-- Destroy arrow entity self at pos and drops it as an item
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local arrow_entity = {
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physical = true,
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pointable = false,
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visual = "mesh",
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mesh = "mcl_bows_arrow.obj",
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visual_size = {x=-1, y=1},
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textures = {"mcl_bows_arrow.png"},
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collisionbox = {-0.19, -0.125, -0.19, 0.19, 0.125, 0.19},
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collide_with_objects = false,
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liquid_drag = true,
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_fire_damage_resistant = true,
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_save_fields = {
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"last_pos", "startpos", "damage", "is_critical", "stuck", "stuckin", "stuckin_player", "time_in_air", "vl_projectile",
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},
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_damage=1, -- Damage on impact
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_is_critical=false, -- Whether this arrow would deal critical damage
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_stuck=false, -- Whether arrow is stuck
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_stucktimer=nil,-- Amount of time (in seconds) the arrow has been stuck so far
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_stuckrechecktimer=nil,-- An additional timer for periodically re-checking the stuck status of an arrow
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_stuckin=nil, --Position of node in which arow is stuck.
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_shooter=nil, -- ObjectRef of player or mob who shot it
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_is_arrow = true,
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_in_player = false,
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_blocked = false,
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_viscosity=0, -- Viscosity of node the arrow is currently in
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_deflection_cooloff=0, -- Cooloff timer after an arrow deflection, to prevent many deflections in quick succession
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_vl_projectile = {
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survive_collision = true,
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sticks_in_players = true,
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damages_players = true,
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maximum_time = 60,
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damage_groups = function(self)
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return { fleshy = self._damage }
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end,
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hide_tracer = function(self)
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return self._stuck or self._damage < 9 or self._in_player
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end,
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tracer_texture = "mobs_mc_arrow_particle.png",
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behaviors = {
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vl_projectile.sticks,
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vl_projectile.burns,
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vl_projectile.has_tracer,
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vl_projectile.has_owner_grace_distance,
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-- Custom arrow behaviors
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function(self, dtime)
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if self._deflection_cooloff > 0 then
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self._deflection_cooloff = self._deflection_cooloff - dtime
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end
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end,
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vl_projectile.collides_with_solids,
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vl_projectile.raycast_collides_with_entities,
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},
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allow_punching = function(self, entity_def, projectile_def, object)
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local lua = object:get_luaentity()
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if lua and lua.name == "mobs_mc:rover" then return false end
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return true
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end,
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sounds = {
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on_entity_collision = function(self, _, _, _, obj)
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if obj:is_player() then
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return {{name="mcl_bows_hit_player", gain=0.1}, {to_player=obj:get_player_name()}, true}
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end
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return {{name="mcl_bows_hit_other", gain=0.3}, {pos=self.object:get_pos(), max_hear_distance=16}, true}
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end
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},
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on_collide_with_entity = function(self, pos, obj)
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local is_player = obj:is_player()
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local lua = obj:get_luaentity()
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-- Make sure collision is valid
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if not (is_player or (lua and (lua.is_mob or lua._hittable_by_projectile))) then
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return
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end
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if obj:get_hp() > 0 then
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if lua then
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local entity_name = lua.name
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-- Achievement for hitting skeleton, wither skeleton or stray (TODO) with an arrow at least 50 meters away
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-- NOTE: Range has been reduced because mobs unload much earlier than that ... >_>
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-- TODO: This achievement should be given for the kill, not just a hit
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local shooter = self._vl_projectile.owner
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if shooter and shooter:is_player() and vector.distance(pos, self._startpos) >= 20 then
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if mod_awards and (entity_name == "mobs_mc:skeleton" or entity_name == "mobs_mc:stray" or entity_name == "mobs_mc:witherskeleton") then
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awards.unlock(shooter:get_player_name(), "mcl:snipeSkeleton")
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end
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end
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end
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end
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-- Item definition entity collision hook
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local item_def = minetest.registered_items[self._arrow_item]
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local hook = item_def and item_def._on_collide_with_entity
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if hook then hook(self, pos, obj) end
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if (self._piercing or 0) > 0 then
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self._piercing = self._piercing - 1
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return
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end
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-- Because arrows are flagged to survive collisions to allow sticking into blocks, manually remove it now that it
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-- has collided with an entity
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self._removed = true
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self.object:remove()
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end
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},
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-- Force recheck of stuck arrows when punched.
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-- Otherwise, punching has no effect.
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on_punch = function(self)
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if self._stuck then
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self._stuckrechecktimer = 5
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end
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end,
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get_staticdata = function(self)
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local out = {}
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local save_fields = self._save_fields
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for i = 1,#save_fields do
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local field = save_fields[i]
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out[field] = self["_"..field]
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end
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return minetest.serialize(out)
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end,
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on_activate = function(self, staticdata, dtime_s)
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self.object:set_armor_groups({ immortal = 1 })
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self._time_in_air = 1.0
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local data = minetest.deserialize(staticdata)
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if not data then return end
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-- Restore arrow state
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local save_fields = self._save_fields
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for i = 1,#save_fields do
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local field = save_fields[i]
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self["_"..field] = data[field]
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end
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if not self._vl_projectile then
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self._vl_projetile = {}
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end
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if data.shootername then
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local shooter = minetest.get_player_by_name(data.shootername)
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if shooter and shooter:is_player() then
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self._shooter = shooter
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end
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end
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if data.stuckin_player then
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self._removed = true
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self.object:remove()
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end
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end,
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}
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-- Make the arrow entity available to other mods as a template
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mcl_bows.arrow_entity = table.copy(arrow_entity)
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vl_projectile.register("mcl_bows:arrow_entity", arrow_entity)
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minetest.register_on_respawnplayer(function(player)
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for _, obj in pairs(player:get_children()) do
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local ent = obj:get_luaentity()
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if ent and ent.name and string.find(ent.name, "mcl_bows:arrow_entity") then
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obj:remove()
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end
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end
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end)
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if minetest.get_modpath("mcl_core") and minetest.get_modpath("mcl_mobitems") then
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minetest.register_craft({
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output = "mcl_bows:arrow 4",
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recipe = {
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{"mcl_core:flint"},
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{"mcl_core:stick"},
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{"mcl_mobitems:feather"}
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}
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})
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end
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if minetest.get_modpath("doc_identifier") then
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doc.sub.identifier.register_object("mcl_bows:arrow_entity", "craftitems", "mcl_bows:arrow")
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end
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