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--
-- Item callbacks
--
minetest.register_craftitem("callbacks:callback_item_1", {
description = "Callback test item 1\n(Use/Drop + Sneak to switch to item 2)",
inventory_image = "callbacks_callback_item_1.png",
wield_image = "callbacks_callback_item_1.png",
on_secondary_use = function(itemstack, user, pointed_thing)
minetest.log("[callbacks:callback_item_1 on_secondary_use] " .. itemstack:get_name())
local ctrl = user and user:get_player_control() or {}
if ctrl.sneak then
itemstack = ItemStack(itemstack)
itemstack:set_name("callbacks:callback_item_2")
return itemstack
end
end,
on_drop = function(itemstack, dropper, pos)
minetest.log("[callbacks:callback_item_1 on_drop] " .. itemstack:get_name())
local ctrl = dropper and dropper:get_player_control() or {}
if ctrl.sneak then
itemstack = ItemStack(itemstack)
itemstack:set_name("callbacks:callback_item_2")
end
return minetest.item_drop(itemstack, dropper, pos)
end,
on_pickup = function(itemstack, picker, pointed_thing, ...)
minetest.log("[callbacks:callback_item_1 on_pickup]")
assert(pointed_thing.ref:get_luaentity().name == "__builtin:item")
local ctrl = picker and picker:get_player_control() or {}
if ctrl.aux1 then
-- Debug message
minetest.log(dump({...}))
end
if ctrl.sneak then
-- Pick up one item of the other kind at once
local taken = itemstack:take_item()
taken:set_name("callbacks:callback_item_2")
local leftover = minetest.item_pickup(taken, picker, pointed_thing, ...)
leftover:set_name("callbacks:callback_item_1")
itemstack:add_item(leftover)
return itemstack
elseif ctrl.up then
-- Don't pick up
return
elseif ctrl.left then
-- Eat it
return minetest.do_item_eat(2, nil, itemstack, picker, pointed_thing)
else
-- Normal: pick up everything
return minetest.item_pickup(itemstack, picker, pointed_thing, ...)
end
end,
on_use = function(itemstack, user, pointed_thing)
minetest.log("[callbacks:callback_item_1 on_use] " .. itemstack:get_name())
local ctrl = user and user:get_player_control() or {}
if ctrl.sneak then
itemstack = ItemStack(itemstack)
itemstack:set_name("callbacks:callback_item_2")
return itemstack
end
end,
after_use = function(itemstack, user, node, digparams) -- never called
minetest.log("[callbacks:callback_item_1 after_use]")
local ctrl = user and user:get_player_control() or {}
if ctrl.up then
itemstack = ItemStack(itemstack)
itemstack:set_name("callbacks:callback_item_2")
return itemstack
end
end,
})
minetest.register_craftitem("callbacks:callback_item_2", {
description = "Callback test item 2\n(Use to switch to item 1)",
inventory_image = "callbacks_callback_item_2.png",
wield_image = "callbacks_callback_item_2.png",
on_use = function(itemstack, user, pointed_thing)
minetest.log("[callbacks:callback_item_2 on_use]")
itemstack = ItemStack(itemstack)
itemstack:set_name("callbacks:callback_item_1")
return itemstack
end,
})
minetest.register_on_item_pickup(function(itemstack, picker, pointed_thing, time_from_last_punch, ...)
assert(not pointed_thing or pointed_thing.ref:get_luaentity().name == "__builtin:item")
local item_name = itemstack:get_name()
if item_name ~= "callbacks:callback_item_1" and item_name ~= "callbacks:callback_item_2" then
return
end
minetest.log("["..item_name.." register_on_item_pickup]")
local ctrl = picker and picker:get_player_control() or {}
if item_name == "callbacks:callback_item_2" and not ctrl.sneak then
-- Same here. Pick up the other item type.
itemstack:set_name("callbacks:callback_item_1")
return picker:get_inventory():add_item("main", itemstack)
end
end)
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