466 lines
14 KiB
Lua
466 lines
14 KiB
Lua
--[[
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More Blocks: circular saw
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Copyright © 2011-2020 Hugo Locurcio, Sokomine and contributors.
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Licensed under the zlib license. See LICENSE.md for more information.
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--]]
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local S = moreblocks.S
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local F = minetest.formspec_escape
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circular_saw = {}
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circular_saw.known_stairs = setmetatable({}, {
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__newindex = function(k, v)
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local modname = minetest.get_current_modname()
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print(("WARNING: mod %s tried to add node %s to the circular saw"
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.. " manually."):format(modname, v))
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end,
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})
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-- This is populated by stairsplus:register_all:
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circular_saw.known_nodes = {}
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-- How many microblocks does this shape at the output inventory cost:
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-- It may cause slight loss, but no gain.
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circular_saw.cost_in_microblocks = {
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1, 1, 1, 1, 1, 1, 1, 2,
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2, 3, 2, 4, 2, 4, 5, 6,
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7, 1, 1, 2, 4, 6, 7, 8,
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1, 2, 2, 3, 1, 1, 2, 4,
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4, 2, 6, 7, 3, 7, 7, 4,
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8, 3, 2, 6, 2, 1, 3, 4
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}
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circular_saw.names = {
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{"micro", "_1"},
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{"panel", "_1"},
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{"micro", "_2"},
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{"panel", "_2"},
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{"micro", "_4"},
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{"panel", "_4"},
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{"micro", ""},
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{"panel", ""},
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{"micro", "_12"},
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{"panel", "_12"},
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{"micro", "_14"},
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{"panel", "_14"},
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{"micro", "_15"},
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{"panel", "_15"},
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{"stair", "_outer"},
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{"stair", ""},
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{"stair", "_inner"},
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{"slab", "_1"},
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{"slab", "_2"},
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{"slab", "_quarter"},
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{"slab", ""},
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{"slab", "_three_quarter"},
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{"slab", "_14"},
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{"slab", "_15"},
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{"slab", "_two_sides"},
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{"slab", "_three_sides"},
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{"slab", "_three_sides_u"},
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{"stair", "_half"},
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{"stair", "_alt_1"},
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{"stair", "_alt_2"},
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{"stair", "_alt_4"},
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{"stair", "_alt"},
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{"slope", ""},
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{"slope", "_half"},
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{"slope", "_half_raised"},
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{"slope", "_inner"},
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{"slope", "_inner_half"},
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{"slope", "_inner_half_raised"},
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{"slope", "_inner_cut"},
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{"slope", "_inner_cut_half"},
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{"slope", "_inner_cut_half_raised"},
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{"slope", "_outer"},
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{"slope", "_outer_half"},
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{"slope", "_outer_half_raised"},
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{"slope", "_outer_cut"},
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{"slope", "_outer_cut_half"},
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{"slope", "_outer_cut_half_raised"},
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{"slope", "_cut"},
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}
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function circular_saw:get_cost(inv, stackname)
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for i, item in pairs(inv:get_list("output")) do
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if item:get_name() == stackname then
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return circular_saw.cost_in_microblocks[i]
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end
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end
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end
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function circular_saw:get_output_inv(modname, material, amount, max)
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if (not max or max < 1 or max > 99) then max = 99 end
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local list = {}
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local pos = #list
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-- If there is nothing inside, display empty inventory:
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if amount < 1 then
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return list
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end
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for i = 1, #circular_saw.names do
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local t = circular_saw.names[i]
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local cost = circular_saw.cost_in_microblocks[i]
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local balance = math.min(math.floor(amount/cost), max)
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local nodename = modname .. ":" .. t[1] .. "_" .. material .. t[2]
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if minetest.registered_nodes[nodename] then
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pos = pos + 1
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list[pos] = nodename .. " " .. balance
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end
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end
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return list
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end
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-- Reset empty circular_saw after last full block has been taken out
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-- (or the circular_saw has been placed the first time)
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-- Note: max_offered is not reset:
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function circular_saw:reset(pos)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local owned_by = meta:get_string("owner")
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if owned_by and owned_by ~= "" then
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owned_by = (" (%s)"):format(S("owned by @1", meta:get_string("owner")))
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else
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owned_by = ""
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end
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inv:set_list("input", {})
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inv:set_list("micro", {})
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inv:set_list("output", {})
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meta:set_int("anz", 0)
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meta:set_string("infotext", S("Circular Saw is empty") .. owned_by)
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end
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-- Player has taken something out of the box or placed something inside
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-- that amounts to count microblocks:
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function circular_saw:update_inventory(pos, amount)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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amount = meta:get_int("anz") + amount
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-- The material is recycled automatically.
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inv:set_list("recycle", {})
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if amount < 1 then -- If the last block is taken out.
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self:reset(pos)
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return
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end
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local stack = inv:get_stack("input", 1)
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-- At least one "normal" block is necessary to see what kind of stairs are requested.
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if stack:is_empty() then
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-- Any microblocks not taken out yet are now lost.
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-- (covers material loss in the machine)
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self:reset(pos)
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return
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end
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local node_name = stack:get_name() or ""
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local node_def = stack:get_definition()
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local name_parts = circular_saw.known_nodes[node_name] or ""
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local modname = name_parts[1] or ""
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local material = name_parts[2] or ""
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local owned_by = meta:get_string("owner")
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if owned_by and owned_by ~= "" then
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owned_by = (" (%s)"):format(S("owned by @1", meta:get_string("owner")))
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else
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owned_by = ""
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end
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inv:set_list("input", { -- Display as many full blocks as possible:
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node_name.. " " .. math.floor(amount / 8)
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})
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-- The stairnodes made of default nodes use moreblocks namespace, other mods keep own:
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if modname == "default" then
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modname = "moreblocks"
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end
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-- print("circular_saw set to " .. modname .. " : "
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-- .. material .. " with " .. (amount) .. " microblocks.")
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-- 0-7 microblocks may remain left-over:
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inv:set_list("micro", {
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modname .. ":micro_" .. material .. " " .. (amount % 8)
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})
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-- Display:
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inv:set_list("output",
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self:get_output_inv(modname, material, amount,
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meta:get_int("max_offered")))
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-- Store how many microblocks are available:
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meta:set_int("anz", amount)
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meta:set_string("infotext",
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S("Circular Saw is working on @1",
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node_def and node_def.description or material
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) .. owned_by
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)
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end
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-- The amount of items offered per shape can be configured:
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function circular_saw.on_receive_fields(pos, formname, fields, sender)
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local meta = minetest.get_meta(pos)
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local max = tonumber(fields.max_offered)
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if max and max > 0 then
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meta:set_string("max_offered", max)
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-- Update to show the correct number of items:
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circular_saw:update_inventory(pos, 0)
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end
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end
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-- Moving the inventory of the circular_saw around is not allowed because it
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-- is a fictional inventory. Moving inventory around would be rather
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-- impractical and make things more difficult to calculate:
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function circular_saw.allow_metadata_inventory_move(
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pos, from_list, from_index, to_list, to_index, count, player)
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return 0
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end
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-- Only input- and recycle-slot are intended as input slots:
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function circular_saw.allow_metadata_inventory_put(
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pos, listname, index, stack, player)
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-- The player is not allowed to put something in there:
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if listname == "output" or listname == "micro" then
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return 0
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end
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local stackname = stack:get_name()
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local count = stack:get_count()
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-- Only allow those items that are offered in the output inventory to be recycled:
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if listname == "recycle" then
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if not inv:contains_item("output", stackname) then
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return 0
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end
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local stackmax = stack:get_stack_max()
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local instack = inv:get_stack("input", 1)
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local microstack = inv:get_stack("micro", 1)
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local incount = instack:get_count()
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local incost = (incount * 8) + microstack:get_count()
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local maxcost = (stackmax * 8) + 7
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local cost = circular_saw:get_cost(inv, stackname)
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if (incost + cost) > maxcost then
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return math.max((maxcost - incost) / cost, 0)
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end
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return count
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end
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-- Only accept certain blocks as input which are known to be craftable into stairs:
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if listname == "input" then
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if not inv:is_empty("input") then
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if inv:get_stack("input", index):get_name() ~= stackname then
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return 0
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end
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end
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if not inv:is_empty("micro") then
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local microstackname = inv:get_stack("micro", 1):get_name():gsub("^.+:micro_", "", 1)
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local cutstackname = stackname:gsub("^.+:", "", 1)
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if microstackname ~= cutstackname then
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return 0
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end
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end
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for name, t in pairs(circular_saw.known_nodes) do
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if name == stackname and inv:room_for_item("input", stack) then
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return count
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end
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end
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return 0
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end
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end
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-- Taking is allowed from all slots (even the internal microblock slot).
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-- Putting something in is slightly more complicated than taking anything
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-- because we have to make sure it is of a suitable material:
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function circular_saw.on_metadata_inventory_put(
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pos, listname, index, stack, player)
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-- We need to find out if the circular_saw is already set to a
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-- specific material or not:
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local stackname = stack:get_name()
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local count = stack:get_count()
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-- Putting something into the input slot is only possible if that had
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-- been empty before or did contain something of the same material:
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if listname == "input" then
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-- Each new block is worth 8 microblocks:
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circular_saw:update_inventory(pos, 8 * count)
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elseif listname == "recycle" then
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-- Lets look which shape this represents:
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local cost = circular_saw:get_cost(inv, stackname)
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local input_stack = inv:get_stack("input", 1)
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-- check if this would not exceed input itemstack max_stacks
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if input_stack:get_count() + ((cost * count) / 8) <= input_stack:get_stack_max() then
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circular_saw:update_inventory(pos, cost * count)
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end
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end
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end
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function circular_saw.allow_metadata_inventory_take(pos, listname, index, stack, 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 input_stack = inv:get_stack(listname, index)
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local player_inv = player:get_inventory()
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if not player_inv:room_for_item("main", input_stack) then
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return 0
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else return stack:get_count()
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end
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end
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function circular_saw.on_metadata_inventory_take(
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pos, listname, index, stack, player)
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-- Prevent (inbuilt) swapping between inventories with different blocks
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-- corrupting player inventory or Saw with 'unknown' items.
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local input_stack = inv:get_stack(listname, index)
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if not input_stack:is_empty() and input_stack:get_name()~=stack:get_name() then
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local player_inv = player:get_inventory()
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if player_inv:room_for_item("main", input_stack) then
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player_inv:add_item("main", input_stack)
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end
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circular_saw:reset(pos)
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return
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end
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-- If it is one of the offered stairs: find out how many
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-- microblocks have to be subtracted:
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if listname == "output" then
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-- We do know how much each block at each position costs:
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local cost = circular_saw.cost_in_microblocks[index]
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* stack:get_count()
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circular_saw:update_inventory(pos, -cost)
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elseif listname == "micro" then
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-- Each microblock costs 1 microblock:
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circular_saw:update_inventory(pos, -stack:get_count())
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elseif listname == "input" then
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-- Each normal (= full) block taken costs 8 microblocks:
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circular_saw:update_inventory(pos, 8 * -stack:get_count())
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end
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-- The recycle field plays no role here since it is processed immediately.
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end
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function circular_saw.on_construct(pos)
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local meta = minetest.get_meta(pos)
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local fancy_inv = default.gui_bg..default.gui_bg_img..default.gui_slots
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meta:set_string(
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"formspec", "size[11,10]"..fancy_inv..
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"label[0,0;" ..F(S("Input\nmaterial")).. "]" ..
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"list[current_name;input;1.5,0;1,1;]" ..
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"label[0,1;" ..F(S("Left-over")).. "]" ..
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"list[current_name;micro;1.5,1;1,1;]" ..
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"label[0,2;" ..F(S("Recycle\noutput")).. "]" ..
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"list[current_name;recycle;1.5,2;1,1;]" ..
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"field[0.3,3.5;1,1;max_offered;" ..F(S("Max")).. ":;${max_offered}]" ..
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"button[1,3.2;1,1;Set;" ..F(S("Set")).. "]" ..
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"list[current_name;output;2.8,0;8,6;]" ..
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"list[current_player;main;1.5,6.25;8,4;]" ..
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"listring[current_name;output]" ..
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"listring[current_player;main]" ..
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"listring[current_name;input]" ..
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"listring[current_player;main]" ..
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"listring[current_name;micro]" ..
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"listring[current_player;main]" ..
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"listring[current_name;recycle]" ..
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"listring[current_player;main]"
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)
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meta:set_int("anz", 0) -- No microblocks inside yet.
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meta:set_string("max_offered", 99) -- How many items of this kind are offered by default?
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meta:set_string("infotext", S("Circular Saw is empty"))
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local inv = meta:get_inventory()
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inv:set_size("input", 1) -- Input slot for full blocks of material x.
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inv:set_size("micro", 1) -- Storage for 1-7 surplus microblocks.
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inv:set_size("recycle", 1) -- Surplus partial blocks can be placed here.
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inv:set_size("output", 6*8) -- 6x8 versions of stair-parts of material x.
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circular_saw:reset(pos)
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end
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function circular_saw.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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if not inv:is_empty("input") or
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not inv:is_empty("micro") or
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not inv:is_empty("recycle") then
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return false
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end
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-- Can be dug by anyone when empty, not only by the owner:
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return true
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end
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minetest.register_node("moreblocks:circular_saw", {
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description = S("Circular Saw"),
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = {
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{-0.4, -0.5, -0.4, -0.25, 0.25, -0.25}, -- Leg
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{0.25, -0.5, 0.25, 0.4, 0.25, 0.4}, -- Leg
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{-0.4, -0.5, 0.25, -0.25, 0.25, 0.4}, -- Leg
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{0.25, -0.5, -0.4, 0.4, 0.25, -0.25}, -- Leg
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{-0.5, 0.25, -0.5, 0.5, 0.375, 0.5}, -- Tabletop
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{-0.01, 0.4375, -0.125, 0.01, 0.5, 0.125}, -- Saw blade (top)
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{-0.01, 0.375, -0.1875, 0.01, 0.4375, 0.1875}, -- Saw blade (bottom)
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{-0.25, -0.0625, -0.25, 0.25, 0.25, 0.25}, -- Motor case
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},
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},
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tiles = {"moreblocks_circular_saw_top.png",
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"moreblocks_circular_saw_bottom.png",
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"moreblocks_circular_saw_side.png"},
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paramtype = "light",
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sunlight_propagates = true,
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paramtype2 = "facedir",
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groups = {choppy = 2,oddly_breakable_by_hand = 2},
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sounds = default.node_sound_wood_defaults(),
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on_construct = circular_saw.on_construct,
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can_dig = circular_saw.can_dig,
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-- Set the owner of this circular saw.
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after_place_node = function(pos, placer)
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local meta = minetest.get_meta(pos)
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local owner = placer and placer:get_player_name() or ""
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local owned_by = owner
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if owner ~= "" then
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owned_by = (" (%s)"):format(S("owned by @1", owner))
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end
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meta:set_string("owner", owner)
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meta:set_string("infotext", S("Circular Saw is empty") .. owned_by)
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end,
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-- The amount of items offered per shape can be configured:
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on_receive_fields = circular_saw.on_receive_fields,
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allow_metadata_inventory_move = circular_saw.allow_metadata_inventory_move,
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-- Only input- and recycle-slot are intended as input slots:
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allow_metadata_inventory_put = circular_saw.allow_metadata_inventory_put,
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allow_metadata_inventory_take = circular_saw.allow_metadata_inventory_take,
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-- Taking is allowed from all slots (even the internal microblock slot). Moving is forbidden.
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-- Putting something in is slightly more complicated than taking anything because we have to make sure it is of a suitable material:
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on_metadata_inventory_put = circular_saw.on_metadata_inventory_put,
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on_metadata_inventory_take = circular_saw.on_metadata_inventory_take,
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})
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