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local container_entities = {}
local function update_container_entity(entity, stack)
entity:set_properties {
physical = false,
pointable = false,
collide_with_objects = false,
visual = "wielditem",
visual_size = {x = 0.4, y = 0.4},
wield_item = stack:get_name(),
static_save = false,
}
end
minetest.register_entity("vzxv_itemstacks:itemstack",{
initial_properties = {
physical = false,
pointable = false,
static_save = false,
},
on_activate = function(self)
local ent = self.object
local pos = vzxv.round_pos(ent:get_pos())
container_entities[minetest.hash_node_position(pos)] = ent
end,
on_step = function(self,dt)
local ent = self.object
local pos = vzxv.round_pos(ent:get_pos())
pos.y = pos.y - 1
if minetest.get_node(pos).name == "air" then
pos.y = pos.y + 1
vzxv.drop_loose(pos,vzxv.get_container_stack(pos))
minetest.set_node(pos,{name="air"})
end
end,
on_deactivate = function(self)
local ent = self.object
local pos = vzxv.round_pos(ent:get_pos())
container_entities[minetest.hash_node_position(pos)] = nil
end,
})
local function get_container_entity(pos)
return container_entities[minetest.hash_node_position(pos)]
end
local function add_container_entity(pos)
pos = {x = pos.x, y = pos.y - 0.20, z = pos.z}
minetest.add_entity(pos, "vzxv_itemstacks:itemstack")
end
local function remove_container_entity(pos)
local h = minetest.hash_node_position(pos)
if container_entities[h] then
container_entities[h]:remove()
end
container_entities[h] = nil
end
function vzxv.is_container(pos)
local item = minetest.get_node(pos).name
return minetest.get_item_group(item, "container")
end
function vzxv.get_container_stack(pos)
local meta = minetest.get_meta(pos)
local stack = meta:get_string("stack")
return ItemStack(stack)
end
function vzxv.set_container_stack(pos, stack)
pos = vzxv.round_pos(pos)
local entity = get_container_entity(pos)
if stack and not entity then
add_container_entity(pos)
entity = get_container_entity(pos)
elseif not stack and entity then
remove_container_entity(pos)
end
local meta = minetest.get_meta(pos)
meta:set_string("stack",stack:to_string())
if entity then
update_container_entity(entity, stack)
end
end
minetest.register_lbm {
name = "vzxv_itemstacks:load_itemstacks",
nodenames = {"group:container"},
run_at_every_load = true,
action = function(pos)
local stack = vzxv.get_container_stack(pos)
local entity = get_container_entity(pos)
if stack and not stack:is_empty() then
if not entity then
add_container_entity(pos)
entity = get_container_entity(pos)
end
update_container_entity(entity, stack)
end
end,
}
-- containers must call this when removed
function vzxv.container_destruct(pos)
remove_container_entity(pos)
end
function vzxv.add_container_items(pos, stack)
local contents = vzxv.get_container_stack(pos)
local free_space = contents:get_free_space()
local amount = math.min(free_space, stack:get_count())
contents:set_count(contents:get_count() + amount)
vzxv.set_container_stack(pos, contents)
stack:set_count(stack:get_count() - amount)
return stack
end
function vzxv.take_container_items(pos, n)
local contents = vzxv.get_container_stack(pos)
local removed = contents:take_item(n)
vzxv.set_container_stack(pos, contents)
return removed
end
function vzxv.player_take_container_items(pos, _, player)
local items = vzxv.take_container_items(pos, 99)
local leftover = vzxv.collect_items(player, items)
vzxv.add_container_items(pos, leftover)
return true
end
function vzxv.player_add_container_items(pos, _, player, stack)
local items = vzxv.remove_items(player, stack)
local leftover = vzxv.add_container_items(pos, items)
vzxv.give_items(player, leftover)
return leftover
end
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