add constructor

This commit is contained in:
Leo Spratt 2021-08-26 13:52:15 +01:00
parent 2c2a529876
commit 6d043b0483
2 changed files with 139 additions and 0 deletions

138
constructor.lua Normal file
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@ -0,0 +1,138 @@
function get_element_constructor_formspec()
local formspec = {
"size[8,9]",
"label[2,1;Orb]",
"list[context;fuel;2,2;1,1;]",
"label[3,1;Source]",
"list[context;src;3,2;1,1;]",
"label[5,1;Output]",
"list[context;dst;5,2;1,1;]",
"list[current_player;main;0,5;8,4;]",
}
return table.concat(formspec, "")
end
local function can_dig(pos, player)
local meta = minetest.get_meta(pos);
local inv = meta:get_inventory()
return inv:is_empty("fuel") and inv:is_empty("src") and inv:is_empty("dst")
end
local function on_timer(pos, elapsed)
local inv = minetest.get_meta(pos):get_inventory()
local update = true
while elapsed > 0 and update do
update = false
local fuel_stack = inv:get_stack("fuel", 1)
local src_stack = inv:get_stack("src", 1)
local dst_stack = inv:get_stack("dst", 1)
if not inv:is_empty("fuel") and not inv:is_empty("src") then
-- make sure the stack at dst is same as the src
if not inv:is_empty("dst") then
if not(src_stack:get_name() == dst_stack:get_name()) then
break
end
end
-- make sure orb has enough charge
local orb_charge = fuel_stack:get_meta():get_int("stored_charge") or 0
-- TODO specific charge required depending on node
orb_charge = orb_charge - 1
if orb_charge < 0 then
break
end
-- give orb new charge value
fuel_stack:get_meta():set_int("stored_charge", orb_charge)
inv:set_stack("fuel", 1, fuel_stack)
-- "convert" charge into a node at dst
if dst_stack:is_empty() then
-- create a new stack
dst_stack = ItemStack(src_stack:get_name())
elseif dst_stack:get_count() >= 64 then
-- the max item count is limited to 64
break
else
-- add one node into stack
dst_stack:set_count(dst_stack:get_count() + 1)
end
inv:set_stack("dst", 1, dst_stack)
update = true
end
end
minetest.get_node_timer(pos):stop()
return false
end
local function on_construct(pos)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
inv:set_size("fuel", 1)
inv:set_size("src", 1)
inv:set_size("dst", 1)
meta:set_string("formspec", get_element_constructor_formspec())
meta:set_string("infotext", "Element Constructor")
on_timer(pos, 0)
end
local function allow_metadata_inventory_put(pos, listname, index, stack, player)
if minetest.is_protected(pos, player:get_player_name()) then
return 0
end
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
if listname == "fuel" then
if stack:get_name() == "element_exchange:exchange_orb" then
return stack:get_count()
else
return 0
end
elseif listname == "src" or listname == "dst" then
return stack:get_count()
end
end
local function allow_metadata_inventory_move(pos, from_list, from_index, to_list, to_index, count, player)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
local stack = inv:get_stack(from_list, from_index)
return allow_metadata_inventory_put(pos, to_list, to_index, stack, player)
end
local function allow_metadata_inventory_take(pos, listname, index, stack, player)
if minetest.is_protected(pos, player:get_player_name()) then
return 0
end
return stack:get_count()
end
local function on_blast(pos)
local drops = {}
default.get_inventory_drops(pos, "fuel", drops)
default.get_inventory_drops(pos, "src", drops)
default.get_inventory_drops(pos, "dst", drops)
drops[#drops+1] = "element_exchange:element_constructor"
minetest.remove_node(pos)
return drops
end
minetest.register_node("element_exchange:element_constructor", {
description = "Element Constructor",
groups = {cracky = 2},
is_ground_content = false,
can_dig=can_dig,
on_timer = on_timer,
on_construct = on_construct,
on_metadata_inventory_move = function(pos)
minetest.get_node_timer(pos):start(1.0)
end,
on_metadata_inventory_put = function(pos)
minetest.get_node_timer(pos):start(1.0)
end,
on_metadata_inventory_take = function(pos)
minetest.get_node_timer(pos):start(1.0)
end,
on_blast = on_blast,
allow_metadata_inventory_put = allow_metadata_inventory_put,
allow_metadata_inventory_move = allow_metadata_inventory_move,
allow_metadata_inventory_take = allow_metadata_inventory_take,
})

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@ -1,4 +1,5 @@
local default_path = minetest.get_modpath("element_exchange")
dofile(default_path.."/constructor.lua")
dofile(default_path.."/deconstructor.lua")
dofile(default_path.."/orb.lua")