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Merge pull request '`mcl_item_entity` fixes' (#2936) from mcl-item-entity-fixes into master 

Reviewed-on: https://git.minetest.land/MineClone2/MineClone2/pulls/2936
Reviewed-by: iliekprogrammar <iliekprogrammar@gmail.com>
csm-enabled^2
iliekprogrammar 2022-12-30 18:39:34 +00:00
parent 723fe9c532 c2ba70a601
commit 5237eca31e
1 changed files with 120 additions and 102 deletions
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222
mods/ENTITIES/mcl_item_entity/init.lua
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@ -7,31 +7,24 @@ local pool = {}
local tick = false
local LOGGING_ON = minetest.settings:get_bool("mcl_logging_item_entities",false)
local function mcl_log (message)
local LOGGING_ON = minetest.settings:get_bool("mcl_logging_item_entities", false)
local function mcl_log(message)
if LOGGING_ON then
mcl_util.mcl_log (message, "[Item Entities]", true)
mcl_util.mcl_log(message, "[Item Entities]", true)
end
end
minetest.register_on_joinplayer(function(player)
local name
name = player:get_player_name()
pool[name] = 0
pool[player:get_player_name()] = 0
end)
minetest.register_on_leaveplayer(function(player)
local name
name = player:get_player_name()
pool[name] = nil
pool[player:get_player_name()] = nil
end)
local has_awards = minetest.get_modpath("awards")
local mcl_item_entity = {}
mcl_item_entity = {}
--basic settings
local item_drop_settings = {} --settings table
@ -46,22 +39,29 @@ item_drop_settings.random_item_velocity = true --this sets random item velocity
item_drop_settings.drop_single_item = false --if true, the drop control drops 1 item instead of the entire stack, and sneak+drop drops the stack
-- drop_single_item is disabled by default because it is annoying to throw away items from the intentory screen
item_drop_settings.magnet_time = 0.75 -- how many seconds an item follows the player before giving up
item_drop_settings.magnet_time = 0.75 -- how many seconds an item follows the player before giving up
local function get_gravity()
return tonumber(minetest.settings:get("movement_gravity")) or 9.81
end
local registered_pickup_achievement = {}
mcl_item_entity.registered_pickup_achievement = {}
--TODO: remove limitation of 1 award per itemname
---Register an achievement that will be unlocked on pickup.
---
---TODO: remove limitation of 1 award per itemname
---@param itemname string
---@param award string
function mcl_item_entity.register_pickup_achievement(itemname, award)
if not has_awards then
minetest.log("warning", "[mcl_item_entity] Trying to register pickup achievement ["..award.."] for ["..itemname.."] while awards missing")
elseif registered_pickup_achievement[itemname] then
minetest.log("error", "[mcl_item_entity] Trying to register already existing pickup achievement ["..award.."] for ["..itemname.."]")
minetest.log("warning",
"[mcl_item_entity] Trying to register pickup achievement [" .. award .. "] for [" ..
itemname .. "] while awards missing")
elseif mcl_item_entity.registered_pickup_achievement[itemname] then
minetest.log("error",
"[mcl_item_entity] Trying to register already existing pickup achievement [" .. award .. "] for [" .. itemname .. "]")
else
registered_pickup_achievement[itemname] = award
mcl_item_entity.registered_pickup_achievement[itemname] = award
end
end
@ -74,11 +74,13 @@ mcl_item_entity.register_pickup_achievement("mcl_nether:ancient_debris", "mcl:hi
mcl_item_entity.register_pickup_achievement("mcl_end:dragon_egg", "mcl:PickUpDragonEgg")
mcl_item_entity.register_pickup_achievement("mcl_armor:elytra", "mcl:skysTheLimit")
---@param object ObjectRef
---@param player ObjectRef
local function check_pickup_achievements(object, player)
if has_awards then
local itemname = ItemStack(object:get_luaentity().itemstring):get_name()
local playername = player:get_player_name()
for name,award in pairs(registered_pickup_achievement) do
for name, award in pairs(mcl_item_entity.registered_pickup_achievement) do
if itemname == name or minetest.get_item_group(itemname, name) ~= 0 then
awards.unlock(playername, award)
end
@ -86,16 +88,23 @@ local function check_pickup_achievements(object, player)
end
end
---@param object ObjectRef
---@param luaentity Luaentity
---@param ignore_check? boolean
local function enable_physics(object, luaentity, ignore_check)
if luaentity.physical_state == false or ignore_check == true then
luaentity.physical_state = true
object:set_properties({
physical = true
})
object:set_acceleration({x=0,y=-get_gravity(),z=0})
object:set_acceleration(vector.new(0, -get_gravity(), 0))
end
end
---@param object ObjectRef
---@param luaentity Luaentity
---@param ignore_check? boolean
---@param reset_movement? boolean
local function disable_physics(object, luaentity, ignore_check, reset_movement)
if luaentity.physical_state == true or ignore_check == true then
luaentity.physical_state = false
@ -103,17 +112,16 @@ local function disable_physics(object, luaentity, ignore_check, reset_movement)
physical = false
})
if reset_movement ~= false then
object:set_velocity({x=0,y=0,z=0})
object:set_acceleration({x=0,y=0,z=0})
object:set_velocity(vector.zero())
object:set_acceleration(vector.zero())
end
end
end
minetest.register_globalstep(function(dtime)
minetest.register_globalstep(function(_)
tick = not tick
for _,player in pairs(minetest.get_connected_players()) do
for _, player in pairs(minetest.get_connected_players()) do
if player:get_hp() > 0 or not minetest.settings:get_bool("enable_damage") then
local name = player:get_player_name()
@ -125,7 +133,7 @@ minetest.register_globalstep(function(dtime)
pos = pos,
gain = 0.3,
max_hear_distance = 16,
pitch = math.random(70,110)/100
pitch = math.random(70, 110) / 100
})
if pool[name] > 6 then
pool[name] = 6
@ -135,15 +143,18 @@ minetest.register_globalstep(function(dtime)
end
local inv = player:get_inventory()
local checkpos = {x=pos.x,y=pos.y + item_drop_settings.player_collect_height,z=pos.z}
local checkpos = vector.offset(pos, 0, item_drop_settings.player_collect_height, 0)
--magnet and collection
for _,object in pairs(minetest.get_objects_inside_radius(checkpos, item_drop_settings.xp_radius_magnet)) do
if not object:is_player() and vector.distance(checkpos, object:get_pos()) < item_drop_settings.radius_magnet and object:get_luaentity() and object:get_luaentity().name == "__builtin:item" and object:get_luaentity()._magnet_timer and (object:get_luaentity()._insta_collect or (object:get_luaentity().age > item_drop_settings.age)) then
for _, object in pairs(minetest.get_objects_inside_radius(checkpos, item_drop_settings.xp_radius_magnet)) do
if not object:is_player() and vector.distance(checkpos, object:get_pos()) < item_drop_settings.radius_magnet and
object:get_luaentity() and object:get_luaentity().name == "__builtin:item" and object:get_luaentity()._magnet_timer
and (object:get_luaentity()._insta_collect or (object:get_luaentity().age > item_drop_settings.age)) then
if object:get_luaentity()._magnet_timer >= 0 and object:get_luaentity()._magnet_timer < item_drop_settings.magnet_time and inv and inv:room_for_item("main", ItemStack(object:get_luaentity().itemstring)) then
if object:get_luaentity()._magnet_timer >= 0 and
object:get_luaentity()._magnet_timer < item_drop_settings.magnet_time and inv and
inv:room_for_item("main", ItemStack(object:get_luaentity().itemstring)) then
-- Collection
if not object:get_luaentity()._removed then
@ -158,8 +169,8 @@ minetest.register_globalstep(function(dtime)
object:get_luaentity().target = checkpos
object:get_luaentity()._removed = true
object:set_velocity({x=0,y=0,z=0})
object:set_acceleration({x=0,y=0,z=0})
object:set_velocity(vector.zero())
object:set_acceleration(vector.zero())
object:move_to(checkpos)
@ -179,7 +190,6 @@ minetest.register_globalstep(function(dtime)
local entity = object:get_luaentity()
entity.collector = player:get_player_name()
entity.collected = true
end
end
@ -194,6 +204,11 @@ end)
local tmp_id = 0
---@param drop string|drop_definition
---@param toolname string
---@param param2 integer
---@param paramtype2 paramtype2
---@return string[]
local function get_drops(drop, toolname, param2, paramtype2)
tmp_id = tmp_id + 1
local tmp_node_name = "mcl_item_entity:" .. tmp_id
@ -202,7 +217,7 @@ local function get_drops(drop, toolname, param2, paramtype2)
drop = drop,
paramtype2 = paramtype2
}
local drops = minetest.get_node_drops({name = tmp_node_name, param2 = param2}, toolname)
local drops = minetest.get_node_drops({ name = tmp_node_name, param2 = param2 }, toolname)
minetest.registered_nodes[tmp_node_name] = nil
return drops
end
@ -265,7 +280,7 @@ function minetest.handle_node_drops(pos, drops, digger)
* table: Drop every itemstring in this table when dug by shears _mcl_silk_touch_drop
]]
local enchantments = tool and mcl_enchanting.get_enchantments(tool, "silk_touch")
local enchantments = tool and mcl_enchanting.get_enchantments(tool)
local silk_touch_drop = false
local nodedef = minetest.registered_nodes[dug_node.name]
@ -294,7 +309,8 @@ function minetest.handle_node_drops(pos, drops, digger)
local max_count = fortune_drop.max_count + fortune_level * (fortune_drop.factor or 1)
local chance = fortune_drop.chance or fortune_drop.get_chance and fortune_drop.get_chance(fortune_level)
if not chance or math.random() < chance then
drops = discrete_uniform_distribution(fortune_drop.multiply and drops or fortune_drop.items, min_count, max_count, fortune_drop.cap)
drops = discrete_uniform_distribution(fortune_drop.multiply and drops or fortune_drop.items, min_count, max_count,
fortune_drop.cap)
elseif fortune_drop.override then
drops = {}
end
@ -306,13 +322,13 @@ function minetest.handle_node_drops(pos, drops, digger)
end
if digger and mcl_experience.throw_xp and not silk_touch_drop then
local experience_amount = minetest.get_item_group(dug_node.name,"xp")
local experience_amount = minetest.get_item_group(dug_node.name, "xp")
if experience_amount > 0 then
mcl_experience.throw_xp(pos, experience_amount)
end
end
for _,item in ipairs(drops) do
for _, item in ipairs(drops) do
local count
if type(item) == "string" then
count = ItemStack(item):get_count()
@ -321,7 +337,7 @@ function minetest.handle_node_drops(pos, drops, digger)
end
local drop_item = ItemStack(item)
drop_item:set_count(1)
for i=1,count do
for i = 1, count do
local dpos = table.copy(pos)
-- Apply offset for plantlike_rooted nodes because of their special shape
if nodedef and nodedef.drawtype == "plantlike_rooted" and nodedef.walkable then
@ -348,7 +364,7 @@ end
function minetest.item_drop(itemstack, dropper, pos)
if dropper and dropper:is_player() then
local v = dropper:get_look_dir()
local p = {x=pos.x, y=pos.y+1.2, z=pos.z}
local p = vector.offset(pos, 0, 1.2, 0)
local cs = itemstack:get_count()
if dropper:get_player_control().sneak then
cs = 1
@ -356,9 +372,9 @@ function minetest.item_drop(itemstack, dropper, pos)
local item = itemstack:take_item(cs)
local obj = minetest.add_item(p, item)
if obj then
v.x = v.x*4
v.y = v.y*4 + 2
v.z = v.z*4
v.x = v.x * 4
v.y = v.y * 4 + 2
v.z = v.z * 4
obj:set_velocity(v)
-- Force collection delay
obj:get_luaentity()._insta_collect = false
@ -376,16 +392,16 @@ end
local function cxcz(o, cw, one, zero)
if cw < 0 then
table.insert(o, { [one]=1, y=0, [zero]=0 })
table.insert(o, { [one]=-1, y=0, [zero]=0 })
table.insert(o, { [one] = 1, y = 0, [zero] = 0 })
table.insert(o, { [one] = -1, y = 0, [zero] = 0 })
else
table.insert(o, { [one]=-1, y=0, [zero]=0 })
table.insert(o, { [one]=1, y=0, [zero]=0 })
table.insert(o, { [one] = -1, y = 0, [zero] = 0 })
table.insert(o, { [one] = 1, y = 0, [zero] = 0 })
end
return o
end
local function hopper_take_item (self, pos)
local function hopper_take_item(self, pos)
--mcl_log("self.itemstring: ".. self.itemstring)
--mcl_log("self.itemstring: ".. minetest.pos_to_string(pos))
@ -394,17 +410,17 @@ local function hopper_take_item (self, pos)
if objs and self.itemstring then
--mcl_log("there is an itemstring. Number of objs: ".. #objs)
for k,v in pairs(objs) do
for k, v in pairs(objs) do
local ent = v:get_luaentity()
-- Don't forget actual hoppers
if ent and ent.name == "mcl_minecarts:hopper_minecart" then
local taken_items = false
mcl_log("ent.name: ".. tostring(ent.name))
mcl_log("ent pos: ".. tostring(ent.object:get_pos()))
mcl_log("ent.name: " .. tostring(ent.name))
mcl_log("ent pos: " .. tostring(ent.object:get_pos()))
local inv = mcl_entity_invs.load_inv(ent,5)
local inv = mcl_entity_invs.load_inv(ent, 5)
if not inv then
mcl_log("No inv")
@ -428,7 +444,7 @@ local function hopper_take_item (self, pos)
local items_remaining = current_itemstack:get_count()
-- This will take part of a floating item stack if no slot can hold the full amount
for i = 1, ent._inv_size,1 do
for i = 1, ent._inv_size, 1 do
local stack = inv:get_stack("main", i)
mcl_log("i: " .. tostring(i))
@ -500,13 +516,13 @@ minetest.register_entity(":__builtin:item", {
hp_max = 1,
physical = true,
collide_with_objects = false,
collisionbox = {-0.3, -0.3, -0.3, 0.3, 0.3, 0.3},
collisionbox = { -0.3, -0.3, -0.3, 0.3, 0.3, 0.3 },
pointable = false,
visual = "wielditem",
visual_size = {x = 0.4, y = 0.4},
textures = {""},
spritediv = {x = 1, y = 1},
initial_sprite_basepos = {x = 0, y = 0},
visual_size = { x = 0.4, y = 0.4 },
textures = { "" },
spritediv = { x = 1, y = 1 },
initial_sprite_basepos = { x = 0, y = 0 },
is_visible = false,
infotext = "",
},
@ -544,11 +560,11 @@ minetest.register_entity(":__builtin:item", {
if vel and vel.x == 0 and vel.z == 0 and self.random_velocity > 0 then
local v = self.random_velocity
local x = math.random(5, 10) / 10 * v
if math.random(0,10) < 5 then x = -x end
if math.random(0, 10) < 5 then x = -x end
local z = math.random(5, 10) / 10 * v
if math.random(0,10) < 5 then z = -z end
local y = math.random(2,4)
self.object:set_velocity({x=x, y=y, z=z})
if math.random(0, 10) < 5 then z = -z end
local y = math.random(2, 4)
self.object:set_velocity(vector.new(x, y, z))
end
self.random_velocity = 0
end,
@ -576,7 +592,7 @@ minetest.register_entity(":__builtin:item", {
local max_count = stack:get_stack_max()
if count > max_count then
count = max_count
self.itemstring = stack:get_name().." "..max_count
self.itemstring = stack:get_name() .. " " .. max_count
end
local itemtable = stack:to_table()
local itemname = nil
@ -597,9 +613,9 @@ minetest.register_entity(":__builtin:item", {
local prop = {
is_visible = true,
visual = "wielditem",
textures = {itemname},
visual_size = {x = s, y = s},
collisionbox = {-c, -c, -c, c, c, c},
textures = { itemname },
visual_size = { x = s, y = s },
collisionbox = { -c, -c, -c, c, c, c },
automatic_rotate = math.pi * 0.5,
infotext = description,
glow = glow,
@ -695,9 +711,9 @@ minetest.register_entity(":__builtin:item", {
self._forcestart = nil
self._forcetimer = 0
self.object:set_armor_groups({immortal = 1})
-- self.object:set_velocity({x = 0, y = 2, z = 0})
self.object:set_acceleration({x = 0, y = -get_gravity(), z = 0})
self.object:set_armor_groups({ immortal = 1 })
-- self.object:set_velocity(vector.new(0, 2, 0))
self.object:set_acceleration(vector.new(0, -get_gravity(), 0))
self:set_item(self.itemstring)
end,
@ -710,9 +726,9 @@ minetest.register_entity(":__builtin:item", {
local stack = ItemStack(entity.itemstring)
local name = stack:get_name()
if own_stack:get_name() ~= name or
own_stack:get_meta() ~= stack:get_meta() or
own_stack:get_wear() ~= stack:get_wear() or
own_stack:get_free_space() == 0 then
own_stack:get_meta() ~= stack:get_meta() or
own_stack:get_wear() ~= stack:get_wear() or
own_stack:get_free_space() == 0 then
-- Can not merge different or full stack
return false
end
@ -745,8 +761,8 @@ minetest.register_entity(":__builtin:item", {
self.object:set_properties({
physical = false
})
self.object:set_velocity({x=0,y=0,z=0})
self.object:set_acceleration({x=0,y=0,z=0})
self.object:set_velocity(vector.zero())
self.object:set_acceleration(vector.zero())
return
end
self.age = self.age + dtime
@ -761,21 +777,22 @@ minetest.register_entity(":__builtin:item", {
-- Delete corrupted item entities. The itemstring MUST be non-empty on its first step,
-- otherwise there might have some data corruption.
if self.itemstring == "" then
minetest.log("warning", "Item entity with empty itemstring found at "..minetest.pos_to_string(self.object:get_pos()).. "! Deleting it now.")
minetest.log("warning",
"Item entity with empty itemstring found at " .. minetest.pos_to_string(self.object:get_pos()) ..
"! Deleting it now.")
self._removed = true
self.object:remove()
return
end
local p = self.object:get_pos()
-- If hopper has taken item, it has gone, and no operations should be conducted on this item
if hopper_take_item(self, p) then
return
end
local node = minetest.get_node_or_nil(p)
local in_unloaded = (node == nil)
local node = minetest.get_node(p)
local in_unloaded = node.name == "ignore"
if in_unloaded then
-- Don't infinetly fall into unloaded map
@ -785,27 +802,27 @@ minetest.register_entity(":__builtin:item", {
if self.is_clock then
self.object:set_properties({
textures = {"mcl_clock:clock_" .. (mcl_worlds.clock_works(p) and mcl_clock.old_time or mcl_clock.random_frame)}
textures = { "mcl_clock:clock_" .. (mcl_worlds.clock_works(p) and mcl_clock.old_time or mcl_clock.random_frame) }
})
end
local nn = node.name
local is_in_water = (minetest.get_item_group(nn, "liquid") ~= 0)
local nn_above = minetest.get_node({x=p.x, y=p.y+0.1, z=p.z}).name
local nn_above = minetest.get_node(vector.offset(p, 0, 0.1, 0)).name
-- make sure it's more or less stationary and is at water level
local sleep_threshold = 0.3
local is_floating = false
local is_stationary = math.abs(self.object:get_velocity().x) < sleep_threshold
and math.abs(self.object:get_velocity().y) < sleep_threshold
and math.abs(self.object:get_velocity().z) < sleep_threshold
and math.abs(self.object:get_velocity().y) < sleep_threshold
and math.abs(self.object:get_velocity().z) < sleep_threshold
if is_in_water and is_stationary then
is_floating = (is_in_water
and (minetest.get_item_group(nn_above, "liquid") == 0))
end
if is_floating and self.physical_state == true then
self.object:set_velocity({x = 0, y = 0, z = 0})
self.object:set_acceleration({x = 0, y = 0, z = 0})
self.object:set_velocity(vector.zero())
self.object:set_acceleration(vector.zero())
disable_physics(self.object, self)
end
-- If no collector was found for a long enough time, declare the magnet as disabled
@ -825,7 +842,7 @@ minetest.register_entity(":__builtin:item", {
--Wait 2 seconds to allow mob drops to be cooked, & picked up instead of instantly destroyed.
if self.age > 2 and minetest.get_item_group(self.itemstring, "fire_immune") == 0 then
if dg ~= 2 then
minetest.sound_play("builtin_item_lava", {pos = self.object:get_pos(), gain = 0.5})
minetest.sound_play("builtin_item_lava", { pos = self.object:get_pos(), gain = 0.5 })
end
self._removed = true
self.object:remove()
@ -865,7 +882,7 @@ minetest.register_entity(":__builtin:item", {
end
-- Check which one of the 4 sides is free
for o=1, #order do
for o = 1, #order do
local nn = minetest.get_node(vector.add(p, order[o])).name
local def = minetest.registered_nodes[nn]
if def and def.walkable == false and nn ~= "ignore" then
@ -875,7 +892,7 @@ minetest.register_entity(":__builtin:item", {
end
-- If none of the 4 sides is free, shoot upwards
if shootdir == nil then
shootdir = { x=0, y=1, z=0 }
shootdir = vector.new(0, 1, 0)
local nn = minetest.get_node(vector.add(p, shootdir)).name
if nn == "ignore" then
-- Do not push into ignore
@ -885,7 +902,7 @@ minetest.register_entity(":__builtin:item", {
-- Set new item moving speed accordingly
local newv = vector.multiply(shootdir, 3)
self.object:set_acceleration({x = 0, y = 0, z = 0})
self.object:set_acceleration(vector.zero())
self.object:set_velocity(newv)
disable_physics(self.object, self, false, false)
@ -907,10 +924,10 @@ minetest.register_entity(":__builtin:item", {
if self._forcetimer > 0 then
local cbox = self.object:get_properties().collisionbox
local ok = false
if self._force.x > 0 and (p.x > (self._forcestart.x + 0.5 + (cbox[4] - cbox[1])/2)) then ok = true
elseif self._force.x < 0 and (p.x < (self._forcestart.x + 0.5 - (cbox[4] - cbox[1])/2)) then ok = true
elseif self._force.z > 0 and (p.z > (self._forcestart.z + 0.5 + (cbox[6] - cbox[3])/2)) then ok = true
elseif self._force.z < 0 and (p.z < (self._forcestart.z + 0.5 - (cbox[6] - cbox[3])/2)) then ok = true end
if self._force.x > 0 and (p.x > (self._forcestart.x + 0.5 + (cbox[4] - cbox[1]) / 2)) then ok = true
elseif self._force.x < 0 and (p.x < (self._forcestart.x + 0.5 - (cbox[4] - cbox[1]) / 2)) then ok = true
elseif self._force.z > 0 and (p.z > (self._forcestart.z + 0.5 + (cbox[6] - cbox[3]) / 2)) then ok = true
elseif self._force.z < 0 and (p.z < (self._forcestart.z + 0.5 - (cbox[6] - cbox[3]) / 2)) then ok = true end
-- Item was successfully forced out. No more pushing
if ok then
self._forcetimer = -1
@ -941,7 +958,7 @@ minetest.register_entity(":__builtin:item", {
-- Set new item moving speed into the direciton of the liquid
local newv = vector.multiply(vec, f)
-- Swap to acceleration instead of a static speed to better mimic MC mechanics.
self.object:set_acceleration({x = newv.x, y = -0.22, z = newv.z})
self.object:set_acceleration(vector.new(newv.x, -0.22, newv.z))
self.physical_state = true
self._flowing = true
@ -954,9 +971,10 @@ minetest.register_entity(":__builtin:item", {
local cur_vec = self.object:get_velocity()
-- apply some acceleration in the opposite direction so it doesn't slide forever
local vec = {
x = 0 -cur_vec.x*0.9,
y = 3 -cur_vec.y*0.9,
z = 0 -cur_vec.z*0.9}
x = 0 - cur_vec.x * 0.9,
y = 3 - cur_vec.y * 0.9,
z = 0 - cur_vec.z * 0.9
}
self.object:set_acceleration(vec)
-- slow down the item in water
local vel = self.object:get_velocity()
@ -980,20 +998,20 @@ minetest.register_entity(":__builtin:item", {
end
-- If node is not registered or node is walkably solid and resting on nodebox
local nn = minetest.get_node({x=p.x, y=p.y-0.5, z=p.z}).name
local nn = minetest.get_node(vector.offset(p, 0, -0.5, 0)).name
local def = minetest.registered_nodes[nn]
local v = self.object:get_velocity()
local is_on_floor = def and (def.walkable
and not def.groups.slippery and v.y == 0)
if not minetest.registered_nodes[nn]
or is_floating or is_on_floor then
or is_floating or is_on_floor then
local own_stack = ItemStack(self.object:get_luaentity().itemstring)
-- Merge with close entities of the same item
for _, object in pairs(minetest.get_objects_inside_radius(p, 0.8)) do
local obj = object:get_luaentity()
if obj and obj.name == "__builtin:item"
and obj.physical_state == false then
and obj.physical_state == false then
if self:try_merge_with(own_stack, object, obj) then
return
end