moreblocks/circular_saw.lua
2013-07-11 22:02:15 +02:00

366 lines
14 KiB
Lua

-- Load translation library if intllib is installed
local S
if (minetest.get_modpath("intllib")) then
dofile(minetest.get_modpath("intllib").."/intllib.lua")
S = intllib.Getter(minetest.get_current_modname())
else
S = function ( s ) return s end
end
circular_saw = {};
circular_saw.known_stairs = {}
-- Register known moreblocks stairs
for i,v in ipairs({"default:wood", "default:stone", "default:cobble", "default:mossycobble", "default:brick", "default:sandstone",
"default:steelblock", "default:desert_stone", "default:glass", "default:tree", "default:jungletree", "default:stonebrick",
"default:obsidian", "default:obsidian_glass", "default:stone_bricks", "default:junglewood", "default:goldblock",
"default:copperblock", "default:bronzeblock", "default:diamondblock", "default:desert_stonebrick", "default:sandstonebrick",
"moreblocks:coal_stone", "moreblocks:iron_stone", "moreblocks:coal_checker", "moreblocks:iron_checker",
"moreblocks:cactus_checker", "moreblocks:coal_glass", "moreblocks:iron_glass", "moreblocks:glow_glass",
"moreblocks:super_glow_glass", "moreblocks:wooden_tile", "moreblocks:stone_tile", "moreblocks:split_stone_tile",
"moreblocks:iron_stone_bricks", "moreblocks:circle_stone_bricks", "moreblocks:wood_tile_centered",
"moreblocks:wood_tile_full", "moreblocks:plank_stone"}) do
table.insert(circular_saw.known_stairs, v);
end
-- How many microblocks does this shape at the output inventory cost?
circular_saw.cost_in_microblocks = { 6, 7, 5, 3, 2, 4, 6,
2, 1, 4, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0 };
-- anz: amount of input material in microblocks
circular_saw.get_stair_output_inv = function(modname, material, anz, max)
local max_offered = 99;
if(not(max) or (max == nil) or tonumber(max) > 99 or tonumber(max) < 1) then
max_offered = 99;
else
max_offered = tonumber(max);
end
-- If there is nothing inside display empty inventory
if(anz < 1) then
return { "", "", "", "", "", "", "",
"", "", "", "", "", "", "",
"", "", "", "", "", "", "",
"", "", "", "", "", "", ""};
end
return {
modname .. ":stair_" .. material .. " " .. math.min(math.floor(anz/6), max_offered),
modname .. ":stair_" .. material .. "_inner " .. math.min(math.floor(anz/7), max_offered),
modname .. ":stair_" .. material .. "_outer " .. math.min(math.floor(anz/5), max_offered),
modname .. ":stair_" .. material .. "_half " .. math.min(math.floor(anz/3), max_offered),
modname .. ":slab_" .. material .. "_quarter " .. math.min(math.floor(anz/2), max_offered),
modname .. ":slab_" .. material .. " " .. math.min(math.floor(anz/4), max_offered),
modname .. ":slab_" .. material .. "_three_quarter " .. math.min(math.floor(anz/6), max_offered),
modname .. ":panel_" .. material .. "_bottom " .. math.min(math.floor(anz/2), max_offered),
modname .. ":micro_" .. material .. "_bottom " .. math.min(math.floor(anz/1), max_offered),
modname .. ":stair_" .. material .. "_alt " .. math.min(math.floor(anz/4), max_offered),
"",
}
end
-- Reset empty circular_saw after last full block has been taken out (or the circular_saw has been placed the first tiem); note: max_offered is not reset
circular_saw.reset_circular_saw = function(pos)
local meta = minetest.env:get_meta(pos);
local inv = meta:get_inventory();
inv:set_list("input", { "" });
inv:set_list("micro", { "" });
inv:set_list("output", circular_saw.get_stair_output_inv("", "", 0, meta:get_string("max_offered")));
meta:set_int("anz", 0);
meta:set_string("infotext", "Circular saw, empty (owned by " .. (meta:get_string("owner") or "") .. ")");
end
-- Player has taken something out of the box or placed something inside; that amounts to count microblocks
circular_saw.update_inventory = function(pos, amount)
local meta = minetest.env:get_meta(pos);
local inv = meta:get_inventory();
local akt = meta:get_int("anz");
-- The material is receicled automaticly
inv:set_list("recycle", { "" });
if(akt + amount < 1) then -- If the last block is taken out
circular_saw.reset_circular_saw(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)
circular_saw.reset_circular_saw(pos);
return;
end
local node_name = stack:get_name();
local liste = node_name:split(":");
local modname = liste[1];
local material = liste[2];
-- Display as many full blocks as possible
inv:set_list("input", { modname.. ":" .. material .. " " .. math.floor( (akt + 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 " .. (akt+amount) .. " microblocks.");
-- 0-7 microblocks may remain as a rest
inv:set_list("micro", { modname.. ":micro_" .. material .. "_bottom " .. ((akt + amount) % 8) });
-- Display
inv:set_list("output", circular_saw.get_stair_output_inv(modname, material, (akt + amount), meta:get_string("max_offered")));
-- Store how many microblocks are available
meta:set_int("anz", (akt+amount));
meta:set_string("infotext", "Circular saw, working with " ..material.. " (owned by " .. (meta:get_string("owner") or "") .. ")");
end
-- The amount of items offered per shape can be configured
circular_saw.on_receive_fields = function(pos, formname, fields, sender)
local meta = minetest.env:get_meta(pos);
if tonumber(fields.max_offered) and tonumber(fields.max_offered) > 0 and tonumber(fields.max_offered) < 99 then
meta:set_string("max_offered", fields.max_offered);
circular_saw.update_inventory(pos, 0); -- update to show the correct number of items
end
end
-- Moving the inventory of the circular_saw around is not allowed because it is a fictional inventory
circular_saw.allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
-- Moving inventory around would be rather immpractical and make things more difficult to calculate
return 0;
end
-- Only input- and recycle-slot are intended as input slots
circular_saw.allow_metadata_inventory_put = function(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.env:get_meta(pos);
local inv = meta:get_inventory();
-- Only alow those items that are offered in the output inventory to be recycled
if(listname == "recycle" and not(inv:contains_item("output", stack:get_name()))) then
return 0;
end
-- Only accept certain blocks as input which are known to be craftable into stairs
if(listname == "input") then
for i,v in ipairs(circular_saw.known_stairs) do
if(circular_saw.known_stairs[ i ] == stack:get_name()) then
return stack:get_count();
end
end
return 0;
end
return stack:get_count()
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
circular_saw.on_metadata_inventory_put = function(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.env:get_meta(pos);
local inv = meta:get_inventory();
-- 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 * stack:get_count());
elseif(listname=="recycle") then
-- Lets look which shape this represents
for i,v in ipairs(inv:get_list("output")) do
if(v:get_name() == stack:get_name()) then
local value = circular_saw.cost_in_microblocks[ i ] * stack:get_count();
--print("\nRecycling " .. (v:get_name()) .. " into " ..value.. " microblocks.");
-- We get value microblocks back
circular_saw.update_inventory(pos, value);
end
end
end
end
-- The player takes something
circular_saw.on_metadata_inventory_take = function(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, -1 * cost);
elseif(listname=="mikro") then
-- Each microblock costs 1 microblock
circular_saw.update_inventory(pos, -1 * 1 * stack:get_count());
elseif(listname=="input") then
-- Each normal (= full) block taken costs 8 microblocks
circular_saw.update_inventory(pos, -1 * 8 * stack:get_count());
end
-- The recycle field plays no role here since it is processed immediately
end
circular_saw.on_construct_init = function(pos, formspec)
local meta = minetest.env:get_meta(pos)
meta:set_string("formspec", formspec);
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", "Circular saw, 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", 28) -- 4*7 versions of stair-parts of material x
circular_saw.reset_circular_saw(pos);
end
circular_saw.can_dig = function(pos,player)
local meta = minetest.env:get_meta(pos);
local inv = meta:get_inventory()
if not inv:is_empty("input") then
return false
elseif not inv:is_empty("micro") then
return false
elseif not inv:is_empty("recycle") then
return false
end
-- Can be digged 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
},
},
selection_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 = {cracky=2},
on_construct = function(pos)
return circular_saw.on_construct_init(pos,
"size[10,9]" ..
"list[current_name;input;0,0;1,1;]" ..
"label[0,0;Input material]" ..
"list[current_name;micro;0,1;1,1;]" ..
"label[0,1;Rest/microblocks]" ..
"field[0.3,2.5;1,1;max_offered;Max:;${max_offered}]" ..
"button[1,2;1,1;Set;Set]" ..
"list[current_name;recycle;0,3;1,1;]" ..
"label[0,3;Recycle output]" ..
"list[current_name;output;2,0;7,4;]" ..
"list[current_player;main;1,5;8,4;]");
end,
can_dig = function(pos,player)
return circular_saw.can_dig(pos, player);
end,
-- Set owner of this circular saw
after_place_node = function(pos, placer)
local meta = minetest.env:get_meta(pos);
meta:set_string("owner", (placer:get_player_name() or ""));
meta:set_string("infotext", "Circular saw is empty (owned by " .. (placer:get_player_name() or "") .. ")");
end,
-- The amount of items offered per shape can be configured
on_receive_fields = function(pos, formname, fields, sender)
return circular_saw.on_receive_fields(pos, formname, fields, sender);
end,
allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
return circular_saw.allow_metadata_inventory_move(pos, from_list, from_index, to_list, to_index, count, player);
end,
-- Only input- and recycle-slot are intended as input slots
allow_metadata_inventory_put = function(pos, listname, index, stack, player)
return circular_saw.allow_metadata_inventory_put(pos, listname, index, stack, player);
end,
-- 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 = function(pos, listname, index, stack, player)
return circular_saw.on_metadata_inventory_put(pos, listname, index, stack, player);
end,
on_metadata_inventory_take = function(pos, listname, index, stack, player)
return circular_saw.on_metadata_inventory_take(pos, listname, index, stack, player);
end
})