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-- Minetest: builtin/item_entity.lua
function core.spawn_item(pos, item)
-- Take item in any format
local stack = ItemStack(item)
local obj = core.add_entity(pos, "__builtin:item")
-- Don't use obj if it couldn't be added to the map.
if obj then
obj:get_luaentity():set_item(stack:to_string())
end
return obj
end
-- If item_entity_ttl is not set, enity will have default life time
-- Setting it to -1 disables the feature
local time_to_live = tonumber(core.settings:get("item_entity_ttl")) or 900
local gravity = tonumber(core.settings:get("movement_gravity")) or 9.81
core.register_entity(":__builtin:item", {
initial_properties = {
hp_max = 1,
physical = true,
collide_with_objects = false,
collisionbox = {-0.3, -0.3, -0.3, 0.3, 0.3, 0.3},
visual = "wielditem",
visual_size = {x = 0.4, y = 0.4},
textures = {""},
is_visible = false,
},
itemstring = "",
moving_state = true,
physical_state = true,
-- Item expiry
age = 0,
-- Pushing item out of solid nodes
force_out = nil,
force_out_start = nil,
set_item = function(self, item)
local stack = ItemStack(item or self.itemstring)
self.itemstring = stack:to_string()
if self.itemstring == "" then
-- item not yet known
return
end
-- Backwards compatibility: old clients use the texture
-- to get the type of the item
local itemname = stack:is_known() and stack:get_name() or "unknown"
local max_count = stack:get_stack_max()
local count = math.min(stack:get_count(), max_count)
local size = 0.2 + 0.1 * (count / max_count) ^ (1 / 3)
local def = core.registered_items[itemname]
local glow = def and def.light_source and
math.floor(def.light_source / 2 + 0.5)
local size_bias = 1e-3 * math.random() -- small random bias to counter Z-fighting
local c = {-size, -size, -size, size, size, size}
self.object:set_properties({
is_visible = true,
visual = "wielditem",
textures = {itemname},
visual_size = {x = size + size_bias, y = size + size_bias},
collisionbox = c,
automatic_rotate = math.pi * 0.5 * 0.2 / size,
wield_item = self.itemstring,
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