531 lines
15 KiB
Lua
531 lines
15 KiB
Lua
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-- Machine definitions
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local pw = minetest.get_modpath("pipeworks") ~= nil
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local mc = minetest.get_modpath("mesecons") ~= nil
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local tl = minetest.get_modpath("tubelib") ~= nil
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--[[
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Groups:
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ele_machine Any machine that does something with power
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ele_provider Any machine that can provide power (generator, storage, etc)
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ele_user Any machine that uses power
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ele_storage Any machine that stores power
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ele_conductor A node that is used to connect ele_machine nodes together
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Custom nodedef variables:
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ele_capacity = 12000
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Static capacitor for nodes.
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** Can be overridden by metadata: `capacity`
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ele_inrush = 32
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Decides how much power can be inserted into this machine's internal capacitor.
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** Can be overridden by metadata: `inrush`
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ele_output = 64
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Decides how much power a `ele_provider` node can output.
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** SHOULD be overridden by metadata: `output`
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ele_sides = nil
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All sides of providers currently output power. All sides of other nodes accept power.
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** SHOULD be overridden by metadata: `sides`
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ele_usage = 16
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How much power this machine uses or generates.
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** Can be overridden by metadata: `usage`
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ele_active_node = nil
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Set to true or a string to also register an active variant of this node.
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If the parameter is a boolean, "_active" will be appended to the `node_name`
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ele_active_nodedef = nil
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If set, the `ele_active_node` will have this table in its nodedef.
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Intended use: to set textures or light output.
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]]
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local function can_dig(pos, player)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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return inv:is_empty("dst") and inv:is_empty("src")
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end
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ele.default = {}
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function ele.default.allow_metadata_inventory_put(pos, listname, index, stack, player)
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if minetest.is_protected(pos, player:get_player_name()) then
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return 0
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end
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if listname == "dst" then
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return 0
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end
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return stack:get_count()
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end
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function ele.default.allow_metadata_inventory_move(pos, from_list, from_index, to_list, to_index, count, player)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local stack = inv:get_stack(from_list, from_index)
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return ele.default.allow_metadata_inventory_put(pos, to_list, to_index, stack, player)
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end
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function ele.default.allow_metadata_inventory_take(pos, listname, index, stack, player)
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if minetest.is_protected(pos, player:get_player_name()) then
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return 0
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end
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return stack:get_count()
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end
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ele.default.metadata_inventory_changed = ele.helpers.start_timer
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-- State machine descriptions
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ele.default.states = {
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[0] = {s = "on", d = "Always on", e = "toggle"},
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{s = "off", d = "Always off", e = "toggle"},
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{s = "signal", d = "Enable by Mesecons signal", e = "mesecons"},
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{s = "interrupt", d = "Disable by Mesecons signal", e = "mesecons"},
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}
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-- Preserve power storage in the item stack dropped
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local function preserve_metadata(pos, oldnode, oldmeta, drops)
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local meta = minetest.get_meta(pos)
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local storage = ele.helpers.get_node_property(meta, pos, "storage")
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local capacity = ele.helpers.get_node_property(meta, pos, "capacity")
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local nodedesc = minetest.registered_nodes[oldnode.name].description
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local partsstr = meta:get_string("components")
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if storage == 0 and partsstr == "" then
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return drops
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end
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for i,stack in pairs(drops) do
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local stack_meta = stack:get_meta()
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stack_meta:set_int("storage", storage)
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local desc = ele.capacity_text(capacity, storage)
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if partsstr ~= "" then
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stack_meta:set_string("components", partsstr)
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desc = desc .. "\n" .. minetest.colorize("#9647ff", "Modified Device")
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end
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stack_meta:set_string("description", nodedesc .. "\n" .. desc)
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drops[i] = stack
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end
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return drops
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end
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-- Retrieve power storage from itemstack when placed
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local function retrieve_metadata(pos, placer, itemstack, pointed_thing)
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local item_meta = itemstack:get_meta()
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local storage = item_meta:get_int("storage")
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local partsstr = item_meta:get_string("components")
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if storage > 0 or partsstr ~= "" then
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local meta = minetest.get_meta(pos)
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meta:set_int("storage", storage)
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if partsstr ~= "" then
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meta:set_string("components", partsstr)
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if elepm then
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elepm.handle_machine_upgrades(pos)
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end
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else
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ele.helpers.start_timer(pos)
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end
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end
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return false
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end
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function ele.capacity_text(capacity, storage)
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return ("Charge: %s / %s %s"):format(ele.helpers.comma_value(storage),
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ele.helpers.comma_value(capacity), ele.unit)
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end
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-- API support
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local tube = {
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insert_object = function(pos, node, stack, direction)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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ele.helpers.start_timer(pos)
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return inv:add_item("src", stack)
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end,
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can_insert = function(pos, node, stack, direction)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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if meta:get_int("splitstacks") == 1 then
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stack = stack:peek_item(1)
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end
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return inv:room_for_item("src", stack)
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end,
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input_inventory = "dst",
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connect_sides = {left = 1, right = 1, back = 1, top = 1, bottom = 1},
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}
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local tubelib_tube = {
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on_pull_item = function(pos, side, player_name)
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local meta = minetest.get_meta(pos)
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ele.helpers.start_timer(pos)
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return tubelib.get_item(meta, "dst")
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end,
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on_push_item = function(pos, side, item, player_name)
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local meta = minetest.get_meta(pos)
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ele.helpers.start_timer(pos)
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return tubelib.put_item(meta, "src", item)
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end,
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on_unpull_item = function(pos, side, item, player_name)
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local meta = minetest.get_meta(pos)
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ele.helpers.start_timer(pos)
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return tubelib.put_item(meta, "dst", item)
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end,
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}
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local mesecons_def = {
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effector = {
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action_on = function (pos, node)
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local meta = minetest.get_meta(pos)
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meta:set_int("signal_interrupt", 1)
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end,
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action_off = function (pos, node)
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local meta = minetest.get_meta(pos)
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meta:set_int("signal_interrupt", 0)
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end,
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action_change = ele.helpers.start_timer,
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}
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}
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-- Functions
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local function switch_state(pos, state_def)
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local meta = minetest.get_meta(pos)
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local state = meta:get_int("state")
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local states = {}
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for id,state in pairs(ele.default.states) do
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if state_def[state.e] then
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states[#states + 1] = id
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end
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end
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if #states == 0 then return end
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state = state + 1
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if state >= #states then
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state = 0
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end
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state = states[state + 1]
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meta:set_int("state", state)
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ele.helpers.start_timer(pos)
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end
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-- Patch a table
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local function apply_patches (table, patches)
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for k,v in pairs(patches) do
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if table[k] and type(table[k]) == "table" then
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apply_patches(table[k], v)
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else
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table[k] = v
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end
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end
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end
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-- Register a base device
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function ele.register_base_device(nodename, nodedef)
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local tlsupp = tl and nodedef.groups and (nodedef.groups["tubedevice"] or nodedef.groups["tube"])
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-- Override construct callback
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local original_on_construct = nodedef.on_construct
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nodedef.on_construct = function (pos)
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if nodedef.groups and nodedef.groups["ele_machine"] then
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local meta = minetest.get_meta(pos)
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meta:set_int("storage", 0)
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end
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ele.clear_networks(pos)
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if original_on_construct then
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original_on_construct(pos)
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end
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end
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-- Override destruct callback
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local original_after_destruct = nodedef.after_destruct
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nodedef.after_destruct = function (pos)
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ele.clear_networks(pos)
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if original_after_destruct then
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original_after_destruct(pos)
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end
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end
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-- Save storage amount when picked up
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local original_preserve_metadata = nodedef.preserve_metadata
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nodedef.preserve_metadata = function (pos, oldnode, oldmeta, drops)
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drops = preserve_metadata(pos, oldnode, oldmeta, drops)
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if original_preserve_metadata then
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drops = original_preserve_metadata(pos, oldnode, oldmeta, drops)
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end
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return drops
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end
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local original_after_place_node = nodedef.after_place_node
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nodedef.after_place_node = function(pos, placer, itemstack, pointed_thing)
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local ret = retrieve_metadata(pos, placer, itemstack, pointed_thing)
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if tlsupp then
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tubelib.add_node(pos, nodename)
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end
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if original_after_place_node then
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ret = original_after_place_node(pos, placer, itemstack, pointed_thing)
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end
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return ret
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end
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local original_after_dig_node = nodedef.after_dig_node
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nodedef.after_dig_node = function(pos, placer, itemstack, pointed_thing)
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if tlsupp then
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tubelib.remove_node(pos)
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end
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if original_after_dig_node then
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return original_after_dig_node(pos, placer, itemstack, pointed_thing)
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end
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end
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-- Prevent digging when there's items inside
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if not nodedef.can_dig then
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nodedef.can_dig = can_dig
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end
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-- Explicitly allow the disabling of the state machine
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if nodedef.groups["state_machine"] ~= 0 and not nodedef["states"] then
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nodedef.states = {toggle = true}
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end
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-- Pipeworks support
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if pw and nodedef.groups and (nodedef.groups["tubedevice"] or nodedef.groups["tube"]) then
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if nodedef['tube'] == false then
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nodedef['tube'] = nil
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nodedef.groups["tubedevice"] = nil
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nodedef.groups["tube"] = nil
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elseif nodedef['tube'] then
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for key,val in pairs(tube) do
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if not nodedef['tube'][key] then
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nodedef['tube'][key] = val
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end
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end
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else
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nodedef['tube'] = tube
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end
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end
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-- Node IO Support
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if nodedef.groups["tubedevice"] or nodedef.groups["tube"] then
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nodedef.node_io_can_put_item = function(pos, node, side) return true end
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nodedef.node_io_room_for_item = function(pos, node, side, itemstack, count)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local istack_real = ItemStack(itemstack)
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istack_real:set_count(count)
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return inv:room_for_item("src", istack_real)
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end
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nodedef.node_io_put_item = function(pos, node, side, putter, itemstack)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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ele.helpers.start_timer(pos)
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return inv:add_item("src", itemstack)
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end
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nodedef.node_io_can_take_item = function(pos, node, side) return true end
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nodedef.node_io_get_item_size = function(pos, node, side)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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return inv:get_size("dst")
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end
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nodedef.node_io_get_item_name = function(pos, node, side, index)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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return inv:get_stack("dst", index):get_name()
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end
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nodedef.node_io_get_item_stack = function(pos, node, side, index)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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return inv:get_stack("dst", index)
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end
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nodedef.node_io_take_item = function(pos, node, side, taker, want_item, want_count)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local stack = ItemStack(want_item)
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stack:set_count(want_count)
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ele.helpers.start_timer(pos)
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return inv:take_item("dst", stack)
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end
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end
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-- Mesecons support
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if mc then
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nodedef["mesecons"] = mesecons_def
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if nodedef.states and nodedef.states["mesecons"] ~= false then
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nodedef.states["mesecons"] = true
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end
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end
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-- STATE MACHINE
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local original_on_receive_fields = nodedef.on_receive_fields
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nodedef.on_receive_fields = function (pos, formname, fields, sender)
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if sender and sender ~= "" and minetest.is_protected(pos, sender:get_player_name()) then
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return
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end
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if nodedef.states then
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if fields["cyclestate"] then
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switch_state(pos, nodedef.states)
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end
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end
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if original_on_receive_fields then
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return original_on_receive_fields(pos, formname, fields, sender)
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end
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end
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-- Finally, register the damn thing already
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minetest.register_node(nodename, nodedef)
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local active_name = nil
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-- Register an active variant if configured.
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if nodedef.ele_active_node then
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local active_nodedef = table.copy(nodedef)
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active_name = nodename.."_active"
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if nodedef.ele_active_node ~= true then
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active_name = nodedef.ele_active_node
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if i ~= 1 then
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active_name = active_name .. "_" .. i
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end
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end
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if nodedef.ele_active_nodedef then
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apply_patches(active_nodedef, nodedef.ele_active_nodedef)
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nodedef.ele_active_nodedef = nil
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active_nodedef.ele_active_nodedef = nil
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end
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-- Remove formspec functions from active nodedefs
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if active_nodedef.get_formspec then
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active_nodedef.get_formspec = nil
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end
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active_nodedef.groups["ele_active"] = 1
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active_nodedef.groups["not_in_creative_inventory"] = 1
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active_nodedef.drop = nodename
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minetest.register_node(active_name, active_nodedef)
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end
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-- tubelib support
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if tlsupp then
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local extras = {}
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if active_name then
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extras = {active_name}
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end
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tubelib.register_node(nodename, extras, tubelib_tube)
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end
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-- nodeio fluids
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if nodedef.groups and nodedef.groups['fluid_container'] then
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fluid_lib.register_node(nodename)
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if active_name then
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fluid_lib.register_node(active_name)
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end
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end
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end
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function ele.register_machine(nodename, nodedef)
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if not nodedef.groups then
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nodedef.groups = {}
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end
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|
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-- Start cleaning up the nodedef
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local defaults = {
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ele_capacity = 1600,
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ele_inrush = 64,
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ele_usage = 64,
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ele_output = 64,
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ele_sides = nil,
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}
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-- Ensure everything that's required is present
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for k,v in pairs(defaults) do
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if not nodedef[k] then
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nodedef[k] = v
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end
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end
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if nodedef.paramtype2 ~= 0 or not nodedef.paramtype2 then
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nodedef.paramtype2 = "facedir"
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else
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nodedef.paramtype2 = nil
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end
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-- Ensure machine group is used properly
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if not nodedef.groups["ele_conductor"] and not nodedef.groups["ele_machine"] then
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nodedef.groups["ele_machine"] = 1
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elseif nodedef.groups["ele_conductor"] and nodedef.groups["ele_machine"] then
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nodedef.groups["ele_machine"] = 0
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end
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if not nodedef.ele_no_automatic_ports then
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-- Add ports to the device's faces
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if nodedef.tiles and #nodedef.tiles == 6 then
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for i = 1, 5 do
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nodedef.tiles[i] = nodedef.tiles[i] .. "^elepower_power_port.png"
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end
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end
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-- Add ports to the device's active faces
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if nodedef.ele_active_nodedef and nodedef.ele_active_nodedef.tiles and #nodedef.ele_active_nodedef.tiles == 6 then
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for i = 1, 5 do
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nodedef.ele_active_nodedef.tiles[i] = nodedef.ele_active_nodedef.tiles[i] .. "^elepower_power_port.png"
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end
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end
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end
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nodedef.ele_no_automatic_ports = nil
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|
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-- Default metadata handlers for "src" and "dst"
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if not nodedef.allow_metadata_inventory_put then
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nodedef.allow_metadata_inventory_put = ele.default.allow_metadata_inventory_put
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nodedef.allow_metadata_inventory_move = ele.default.allow_metadata_inventory_move
|
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end
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if not nodedef.allow_metadata_inventory_take then
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nodedef.allow_metadata_inventory_take = ele.default.allow_metadata_inventory_take
|
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end
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|
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-- Default metadata changed handlers for inventories
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-- Starts the timer on the node
|
|
if not nodedef.on_metadata_inventory_move then
|
|
nodedef.on_metadata_inventory_move = ele.default.metadata_inventory_changed
|
|
end
|
|
|
|
if not nodedef.on_metadata_inventory_put then
|
|
nodedef.on_metadata_inventory_put = ele.default.metadata_inventory_changed
|
|
end
|
|
|
|
if not nodedef.on_metadata_inventory_take then
|
|
nodedef.on_metadata_inventory_take = ele.default.metadata_inventory_changed
|
|
end
|
|
|
|
ele.register_base_device(nodename, nodedef)
|
|
end
|