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https://git.minetest.land/VoxeLibre/VoxeLibre.git
synced 2024-08-23 18:37:24 +02:00
211 lines
6.6 KiB
Lua
211 lines
6.6 KiB
Lua
mcl_entity_invs = {}
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local open_invs = {}
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local function mcl_log (message)
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mcl_util.mcl_log (message, "[Entity Invs]")
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end
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local function check_distance(inv,player,count)
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for _,o in pairs(minetest.get_objects_inside_radius(player:get_pos(),5)) do
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local l = o:get_luaentity()
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if l and l._inv_id and inv:get_location().name == l._inv_id then return count end
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end
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return 0
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end
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local inv_callbacks = {
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allow_take = function(inv, listname, index, stack, player)
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return check_distance(inv,player,stack:get_count())
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end,
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allow_move = function(inv, from_list, from_index, to_list, to_index, count, player)
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return check_distance(inv,player,count)
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end,
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allow_put = function(inv, listname, index, stack, player)
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return check_distance(inv,player,stack:get_count())
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end,
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}
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function mcl_entity_invs.load_inv(ent,size)
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mcl_log("load_inv")
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if not ent._inv_id then return end
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mcl_log("load_inv 2")
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local inv = minetest.get_inventory({type="detached", name=ent._inv_id})
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if not inv then
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mcl_log("load_inv 3")
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inv = minetest.create_detached_inventory(ent._inv_id, inv_callbacks)
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inv:set_size("main", size)
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if ent._items then
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inv:set_list("main",ent._items)
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end
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else
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mcl_log("load_inv 4")
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end
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return inv
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end
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function mcl_entity_invs.save_inv(ent)
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if ent._inv then
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ent._items = {}
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for i,it in ipairs(ent._inv:get_list("main")) do
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ent._items[i] = it:to_string()
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end
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minetest.remove_detached_inventory(ent._inv_id)
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ent._inv = nil
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end
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end
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local function load_default_formspec (ent, text)
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text = text or ""
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local invent_size = ent._inv_size
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local div_by_two = invent_size % 2 == 0
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local div_by_three = invent_size % 3 == 0
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--mcl_log("Div by 3: ".. tostring(div_by_three))
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--mcl_log("Div by 2: ".. tostring(div_by_two))
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--mcl_log("invent_size: ".. tostring(invent_size))
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local rows = 3
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if invent_size > 18 or (div_by_three == true and invent_size > 8) then
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--mcl_log("Div by 3")
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rows = 3
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elseif (div_by_two == true and invent_size > 3) or invent_size > 9 then
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--mcl_log("Div by 2")
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rows = 2
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else
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--mcl_log("Not div by 2 or 3")
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rows = 1
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end
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--local rows = 3
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local cols = (math.ceil(ent._inv_size/rows))
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local spacing = (9 - cols) / 2
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local formspec = "size[9,8.75]"
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.. "label[0,0;" .. minetest.formspec_escape(
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minetest.colorize("#313131", ent._inv_title .. " ".. text)) .. "]"
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.. "list[detached:"..ent._inv_id..";main;"..spacing..",0.5;"..cols..","..rows..";]"
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.. mcl_formspec.get_itemslot_bg(spacing,0.5,cols,rows)
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.. "label[0,4.0;" .. minetest.formspec_escape(
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minetest.colorize("#313131", "Inventory")) .. "]"
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.. "list[current_player;main;0,4.5;9,3;9]"
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.. mcl_formspec.get_itemslot_bg(0,4.5,9,3)
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.. "list[current_player;main;0,7.74;9,1;]"
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.. mcl_formspec.get_itemslot_bg(0,7.74,9,1)
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.. "listring[detached:"..ent._inv_id..";main]"
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.. "listring[current_player;main]"
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return formspec
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end
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function mcl_entity_invs.show_inv_form(ent,player,text)
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if not ent._inv_id then return end
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if not open_invs[ent] then
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open_invs[ent] = 0
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end
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ent._inv = mcl_entity_invs.load_inv(ent,ent._inv_size)
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open_invs[ent] = open_invs[ent] + 1
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local playername = player:get_player_name()
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minetest.show_formspec(playername, ent._inv_id, load_default_formspec (ent, text))
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end
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local function drop_inv(ent)
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if not ent._items then return end
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local pos = ent.object:get_pos()
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for i,it in pairs(ent._items) do
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local p = vector.add(pos,vector.new(math.random() - 0.5, math.random()-0.5, math.random()-0.5))
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minetest.add_item(p,it)
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end
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ent._items = nil
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end
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local function on_remove(self,killer,oldf)
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mcl_entity_invs.save_inv(self)
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drop_inv(self)
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if oldf then return oldf(self,killer) end
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end
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minetest.register_on_player_receive_fields(function(player, formname, fields)
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for k,v in pairs(open_invs) do
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if formname == k._inv_id then
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open_invs[k] = open_invs[k] - 1
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if open_invs[k] < 1 then
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mcl_entity_invs.save_inv(k)
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open_invs[k] = nil
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end
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end
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end
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end)
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function mcl_entity_invs.register_inv(entity_name,show_name,size,no_on_righclick,no_sneak)
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assert(minetest.registered_entities[entity_name],"mcl_entity_invs.register_inv called with invalid entity: "..tostring(entity_name))
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minetest.registered_entities[entity_name]._inv_size = size
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minetest.registered_entities[entity_name]._inv_title = show_name
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local old_oa = minetest.registered_entities[entity_name].on_activate
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minetest.registered_entities[entity_name].on_activate = function(self,staticdata,dtime_s)
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local r
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if old_oa then r=old_oa(self,staticdata,dtime_s) end
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local d = minetest.deserialize(staticdata)
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if type(d) == "table" and d._inv_id then
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self._inv_id = d._inv_id
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self._items = d._items
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self._inv_size = d._inv_size
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else
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self._inv_id="entity_inv_"..minetest.sha1(minetest.get_gametime()..minetest.pos_to_string(self.object:get_pos())..tostring(math.random()))
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--gametime and position for collision safety and math.random salt to protect against position brute-force
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end
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return r
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end
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if not no_on_righclick then
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local old_rc = minetest.registered_entities[entity_name].on_rightclick
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minetest.registered_entities[entity_name].on_rightclick = function(self,clicker)
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if no_sneak or clicker:get_player_control().sneak then
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mcl_entity_invs.show_inv_form(self,clicker,"")
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if not no_sneak then return end
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end
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if old_rc then return old_rc(self,clicker) end
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end
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end
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local old_gsd = minetest.registered_entities[entity_name].get_staticdata
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minetest.registered_entities[entity_name].get_staticdata = function(self)
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local old_sd = old_gsd(self)
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local d = minetest.deserialize(old_sd)
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assert(type(d) == "table","mcl_entity_invs currently only works with entities that return a (serialized) table in get_staticdata. "..tostring(self.name).." returned: "..tostring(old_sd))
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d._inv_id = self._inv_id
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d._inv_size = self._inv_size
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d._items = {}
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if self._items then
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for i,it in ipairs(self._items) do
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d._items[i] = it
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end
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end
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return minetest.serialize(d)
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end
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local old_ode = minetest.registered_entities[entity_name].on_deactivate
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minetest.registered_entities[entity_name].on_deactivate = function(self,removal)
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mcl_entity_invs.save_inv(self)
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if removal then
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on_remove(self)
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end
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if old_ode then return old_ode(self,removal) end
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end
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local old_od = minetest.registered_entities[entity_name].on_death
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minetest.registered_entities[entity_name].on_death = function(self,killer)
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if not self.is_mob then
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on_remove(self,killer,old_od)
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end
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end
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local old_odi = minetest.registered_entities[entity_name].on_die
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minetest.registered_entities[entity_name].on_die = function(self,killer)
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if self.is_mob then
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on_remove(self,killer,old_od)
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end
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end
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end
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