MineClone2/mods/ENTITIES/mcl_entity_invs/init.lua
2022-11-14 04:07:41 +01:00

216 lines
6.7 KiB
Lua

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