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7bd98ac02c
moreblocks/circular_saw.lua
kilbith 7bd98ac02c Speedup get_output_inv
2015-06-06 11:38:26 +02:00

380 lines
12 KiB
Lua
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--[[
More Blocks: circular saw
Copyright (c) 2011-2015 Calinou and contributors.
Licensed under the zlib license. See LICENSE.md for more information.
--]]
local S = moreblocks.intllib
circular_saw = {}
circular_saw.known_stairs = setmetatable({}, {
__newindex = function(k, v)
local modname = minetest.get_current_modname()
print(("WARNING: mod %s tried to add node %s to the circular saw"
.. " manually."):format(modname, v))
end,
})
-- This is populated by stairsplus:register_all:
circular_saw.known_nodes = {}
-- How many microblocks does this shape at the output inventory cost:
circular_saw.cost_in_microblocks = {
1, 1, 1, 1, 1, 1, 1, 2,
2, 3, 2, 4, 2, 4, 5, 6,
7, 1, 1, 2, 4, 6, 7, 8,
3, 1, 1, 2, 4, 4, 2, 7,
7, 2, 7, 6, 4, 6, 5, 4,
}
circular_saw.names = {
{"micro", "_1"},
{"panel", "_1"},
{"micro", "_2"},
{"panel", "_2"},
{"micro", "_4"},
{"panel", "_4"},
{"micro", ""},
{"panel", ""},
{"micro", "_12"},
{"panel", "_12"},
{"micro", "_14"},
{"panel", "_14"},
{"micro", "_15"},
{"panel", "_15"},
{"stair", "_outer"},
{"stair", ""},
{"stair", "_inner"},
{"slab", "_1"},
{"slab", "_2"},
{"slab", "_quarter"},
{"slab", ""},
{"slab", "_three_quarter"},
{"slab", "_14"},
{"slab", "_15"},
{"stair", "_half"},
{"stair", "_alt_1"},
{"stair", "_alt_2"},
{"stair", "_alt_4"},
{"stair", "_alt"},
{"slope", ""},
{"slope", "_half"},
{"slope", "_half_raised"},
{"slope", "_inner"},
{"slope", "_inner_half"},
{"slope", "_inner_half_raised"},
{"slope", "_outer"},
{"slope", "_outer_half"},
{"slope", "_outer_half_raised"},
{"slope", "_outer_cut"},
{"slope", "_outer_cut_half"},
}
function circular_saw:get_cost(inv, stackname)
for i, item in pairs(inv:get_list("output")) do
if item:get_name() == stackname then
return circular_saw.cost_in_microblocks[i]
end
end
end
function circular_saw:get_output_inv(modname, material, amount, max)
if (not max or max < 1 or max > 99) then max = 99 end
local list = {}
local pos = #list
-- If there is nothing inside, display empty inventory:
if amount < 1 then
return list
end
for i, t in ipairs(circular_saw.names) do
local cost = circular_saw.cost_in_microblocks[i]
pos = pos + 1
list[pos] = modname .. ":" .. t[1] .. "_" .. material .. t[2]
.. " " .. math.min(math.floor(amount/cost), max)
end
return list
end
-- Reset empty circular_saw after last full block has been taken out
-- (or the circular_saw has been placed the first time)
-- Note: max_offered is not reset:
function circular_saw:reset(pos)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
inv:set_list("input", {})
inv:set_list("micro", {})
inv:set_list("output", {})
meta:set_int("anz", 0)
meta:set_string("infotext",
S("Circular Saw is empty (owned by %s)")
:format(meta:get_string("owner") or ""))
end
-- Player has taken something out of the box or placed something inside
-- that amounts to count microblocks:
function circular_saw:update_inventory(pos, amount)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
amount = meta:get_int("anz") + amount
-- The material is recycled automaticly.
inv:set_list("recycle", {})
if amount < 1 then -- If the last block is taken out.
self:reset(pos)
return
end
local stack = inv:get_stack("input", 1)
-- At least one "normal" block is necessary to see what kind of stairs are requested.
if stack:is_empty() then
-- Any microblocks not taken out yet are now lost.
-- (covers material loss in the machine)
self:reset(pos)
return
end
local node_name = stack:get_name() or ""
local name_parts = circular_saw.known_nodes[node_name] or ""
local modname = name_parts[1] or ""
local material = name_parts[2] or ""
inv:set_list("input", { -- Display as many full blocks as possible:
node_name.. " " .. math.floor(amount / 8)
})
-- The stairnodes made of default nodes use moreblocks namespace, other mods keep own:
if modname == "default" then
modname = "moreblocks"
end
-- print("circular_saw set to " .. modname .. " : "
-- .. material .. " with " .. (amount) .. " microblocks.")
-- 0-7 microblocks may remain left-over:
inv:set_list("micro", {
modname .. ":micro_" .. material .. "_bottom " .. (amount % 8)
})
-- Display:
inv:set_list("output",
self:get_output_inv(modname, material, amount,
meta:get_int("max_offered")))
-- Store how many microblocks are available:
meta:set_int("anz", amount)
meta:set_string("infotext",
S("Circular Saw is working on %s (owned by %s)")
:format(material, meta:get_string("owner") or ""))
end
-- The amount of items offered per shape can be configured:
function circular_saw.on_receive_fields(pos, formname, fields, sender)
local meta = minetest.get_meta(pos)
local max = tonumber(fields.max_offered)
if max and max > 0 then
meta:set_string("max_offered", max)
-- Update to show the correct number of items:
circular_saw:update_inventory(pos, 0)
end
end
-- Moving the inventory of the circular_saw around is not allowed because it
-- is a fictional inventory. Moving inventory around would be rather
-- impractical and make things more difficult to calculate:
function circular_saw.allow_metadata_inventory_move(
pos, from_list, from_index, to_list, to_index, count, player)
return 0
end
-- Only input- and recycle-slot are intended as input slots:
function circular_saw.allow_metadata_inventory_put(
pos, listname, index, stack, player)
-- The player is not allowed to put something in there:
if listname == "output" or listname == "micro" then
return 0
end
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
local stackname = stack:get_name()
local count = stack:get_count()
-- Only alow those items that are offered in the output inventory to be recycled:
if listname == "recycle" then
if not inv:contains_item("output", stackname) then
return 0
end
local stackmax = stack:get_stack_max()
local instack = inv:get_stack("input", 1)
local microstack = inv:get_stack("micro", 1)
local incount = instack:get_count()
local incost = (incount * 8) + microstack:get_count()
local maxcost = (stackmax * 8) + 7
local cost = circular_saw:get_cost(inv, stackname)
if (incost + cost) > maxcost then
return math.max((maxcost - incost) / cost, 0)
end
return count
end
-- Only accept certain blocks as input which are known to be craftable into stairs:
if listname == "input" then
if not inv:is_empty("input") and
inv:get_stack("input", index):get_name() ~= stackname then
return 0
end
for name, t in pairs(circular_saw.known_nodes) do
if name == stackname and inv:room_for_item("input", stack) then
return count
end
end
return 0
end
end
-- Taking is allowed from all slots (even the internal microblock slot).
-- Putting something in is slightly more complicated than taking anything
-- because we have to make sure it is of a suitable material:
function circular_saw.on_metadata_inventory_put(
pos, listname, index, stack, player)
-- We need to find out if the circular_saw is already set to a
-- specific material or not:
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
local stackname = stack:get_name()
local count = stack:get_count()
-- Putting something into the input slot is only possible if that had
-- been empty before or did contain something of the same material:
if listname == "input" then
-- Each new block is worth 8 microblocks:
circular_saw:update_inventory(pos, 8 * count)
elseif listname == "recycle" then
-- Lets look which shape this represents:
local cost = circular_saw:get_cost(inv, stackname)
circular_saw:update_inventory(pos, cost * count)
end
end
function circular_saw.on_metadata_inventory_take(
pos, listname, index, stack, player)
-- If it is one of the offered stairs: find out how many
-- microblocks have to be substracted:
if listname == "output" then
-- We do know how much each block at each position costs:
local cost = circular_saw.cost_in_microblocks[index]
* stack:get_count()
circular_saw:update_inventory(pos, -cost)
elseif listname == "micro" then
-- Each microblock costs 1 microblock:
circular_saw:update_inventory(pos, -stack:get_count())
elseif listname == "input" then
-- Each normal (= full) block taken costs 8 microblocks:
circular_saw:update_inventory(pos, 8 * -stack:get_count())
end
-- The recycle field plays no role here since it is processed immediately.
end
gui_slots = "listcolors[#606060AA;#808080;#101010;#202020;#FFF]"
function circular_saw.on_construct(pos)
local meta = minetest.get_meta(pos)
local fancy_inv = default.gui_bg..default.gui_bg_img..default.gui_slots
meta:set_string("formspec", "size[11,9]"..fancy_inv..
"label[0,0;" ..S("Input\nmaterial").. "]" ..
"list[current_name;input;1.5,0;1,1;]" ..
"label[0,1;" ..S("Left-over").. "]" ..
"list[current_name;micro;1.5,1;1,1;]" ..
"label[0,2;" ..S("Recycle\noutput").. "]" ..
"list[current_name;recycle;1.5,2;1,1;]" ..
"field[0.3,3.5;1,1;max_offered;" ..S("Max").. ":;${max_offered}]" ..
"button[1,3.2;1,1;Set;" ..S("Set").. "]" ..
"list[current_name;output;2.8,0;8,5;]" ..
"list[current_player;main;1.5,5.25;8,4;]")
meta:set_int("anz", 0) -- No microblocks inside yet.
meta:set_string("max_offered", 99) -- How many items of this kind are offered by default?
meta:set_string("infotext", S("Circular Saw is empty"))
local inv = meta:get_inventory()
inv:set_size("input", 1) -- Input slot for full blocks of material x.
inv:set_size("micro", 1) -- Storage for 1-7 surplus microblocks.
inv:set_size("recycle", 1) -- Surplus partial blocks can be placed here.
inv:set_size("output", 5*8) -- 5x8 versions of stair-parts of material x.
circular_saw:reset(pos)
end
function circular_saw.can_dig(pos,player)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
if not inv:is_empty("input") or
not inv:is_empty("micro") or
not inv:is_empty("recycle") then
return false
end
-- Can be dug by anyone when empty, not only by the owner:
return true
end
minetest.register_node("moreblocks:circular_saw", {
description = S("Circular Saw"),
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{-0.4, -0.5, -0.4, -0.25, 0.25, -0.25}, -- Leg
{0.25, -0.5, 0.25, 0.4, 0.25, 0.4}, -- Leg
{-0.4, -0.5, 0.25, -0.25, 0.25, 0.4}, -- Leg
{0.25, -0.5, -0.4, 0.4, 0.25, -0.25}, -- Leg
{-0.5, 0.25, -0.5, 0.5, 0.375, 0.5}, -- Tabletop
{-0.01, 0.4375, -0.125, 0.01, 0.5, 0.125}, -- Saw blade (top)
{-0.01, 0.375, -0.1875, 0.01, 0.4375, 0.1875}, -- Saw blade (bottom)
{-0.25, -0.0625, -0.25, 0.25, 0.25, 0.25}, -- Motor case
},
},
tiles = {"moreblocks_circular_saw_top.png",
"moreblocks_circular_saw_bottom.png",
"moreblocks_circular_saw_side.png"},
paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {choppy = 2,oddly_breakable_by_hand = 2},
sounds = default.node_sound_wood_defaults(),
on_construct = circular_saw.on_construct,
can_dig = circular_saw.can_dig,
-- Set the owner of this circular saw.
after_place_node = function(pos, placer)
local meta = minetest.get_meta(pos)
local owner = placer and placer:get_player_name() or ""
meta:set_string("owner", owner)
meta:set_string("infotext",
S("Circular Saw is empty (owned by %s)")
:format(owner))
end,
-- The amount of items offered per shape can be configured:
on_receive_fields = circular_saw.on_receive_fields,
allow_metadata_inventory_move = circular_saw.allow_metadata_inventory_move,
-- Only input- and recycle-slot are intended as input slots:
allow_metadata_inventory_put = circular_saw.allow_metadata_inventory_put,
-- Taking is allowed from all slots (even the internal microblock slot). Moving is forbidden.
-- Putting something in is slightly more complicated than taking anything because we have to make sure it is of a suitable material:
on_metadata_inventory_put = circular_saw.on_metadata_inventory_put,
on_metadata_inventory_take = circular_saw.on_metadata_inventory_take,
})
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