377 lines
10 KiB
Lua
377 lines
10 KiB
Lua
--[[
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TechAge
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=======
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Copyright (C) 2019 Joachim Stolberg
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LGPLv2.1+
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See LICENSE.txt for more information
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Gravel Sieve, sieving gravel to find ores
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]]--
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-- for lazy programmers
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local S = function(pos) if pos then return minetest.pos_to_string(pos) end end
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local P = minetest.string_to_pos
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local M = minetest.get_meta
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-- Techage Related Data
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local TRD = function(pos) return (minetest.registered_nodes[minetest.get_node(pos).name] or {}).techage end
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-- Load support for intllib.
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local MP = minetest.get_modpath("techage")
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local I,_ = dofile(MP.."/intllib.lua")
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-- Increase the probability over the natural occurrence
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local PROBABILITY_FACTOR = 3
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-- Ore probability table (1/n)
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techage.ore_probability = {
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}
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-- collect all registered ores and calculate the probability
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local function add_ores()
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for _,item in pairs(minetest.registered_ores) do
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if minetest.registered_nodes[item.ore] then
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local drop = minetest.registered_nodes[item.ore].drop
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if type(drop) == "string"
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and drop ~= item.ore
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and drop ~= ""
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and item.ore_type == "scatter"
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and item.wherein == "default:stone"
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and item.clust_scarcity ~= nil and item.clust_scarcity > 0
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and item.clust_num_ores ~= nil and item.clust_num_ores > 0
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and item.y_max ~= nil and item.y_min ~= nil then
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local probability = (techage.ore_rarity / PROBABILITY_FACTOR) * item.clust_scarcity /
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(item.clust_num_ores * ((item.y_max - item.y_min) / 65535))
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if techage.ore_probability[drop] == nil then
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techage.ore_probability[drop] = probability
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else
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-- harmonic sum
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techage.ore_probability[drop] = 1.0 / ((1.0 / techage.ore_probability[drop]) +
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(1.0 / probability))
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end
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end
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end
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end
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local overall_probability = 0.0
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for name,probability in pairs(techage.ore_probability) do
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minetest.log("info", string.format("[techage] %-32s %u", name, probability))
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overall_probability = overall_probability + 1.0/probability
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end
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minetest.log("info", string.format("[techage] Overall probability %g", overall_probability))
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end
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minetest.after(1, add_ores)
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local sieve_formspec =
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"size[8,8]"..
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default.gui_bg..
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default.gui_bg_img..
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default.gui_slots..
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"list[context;src;1,1.5;1,1;]"..
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"image[3,1.5;1,1;techage_form_arrow.png]"..
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"list[context;dst;4,0;4,4;]"..
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"list[current_player;main;0,4.2;8,4;]"..
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"listring[context;dst]"..
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"listring[current_player;main]"..
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"listring[context;src]"..
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"listring[current_player;main]"
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local function 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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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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if listname == "src" then
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return stack:get_count()
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elseif listname == "dst" then
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return 0
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end
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end
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local function 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 allow_metadata_inventory_put(pos, to_list, to_index, stack, player)
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end
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local function 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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-- handle the sieve animation
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local function swap_node(pos, meta, start)
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local node = minetest.get_node(pos)
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local idx = meta:get_int("idx")
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if start then
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if idx == 3 then
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idx = 0
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end
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else
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idx = (idx + 1) % 4
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end
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meta:set_int("idx", idx)
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node.name = meta:get_string("node_name")..idx
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minetest.swap_node(pos, node)
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return idx == 3
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end
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-- place ores to dst according to the calculated probability
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local function random_ore(inv, src)
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local num
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for ore, probability in pairs(techage.ore_probability) do
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if math.random(probability) == 1 then
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local item = ItemStack(ore)
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if inv:room_for_item("dst", item) then
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inv:add_item("dst", item)
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return true -- ore placed
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end
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end
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end
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return false -- gravel has to be moved
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end
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local function add_gravel_to_dst(meta, inv)
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-- maintain a counter for gravel kind selection
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local gravel_cnt = meta:get_int("gravel_cnt") + 1
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meta:set_int("gravel_cnt", gravel_cnt)
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if (gravel_cnt % 2) == 0 then -- gravel or sieved gravel?
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inv:add_item("dst", ItemStack("default:gravel")) -- add to dest
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else
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inv:add_item("dst", ItemStack("techage:sieved_gravel")) -- add to dest
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end
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end
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-- move gravel and ores to dst
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local function move_src2dst(meta, pos, inv, src, dst)
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if inv:room_for_item("dst", dst) and inv:contains_item("src", src) then
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local res = swap_node(pos, meta, false)
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if res then -- time to move one item?
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if src:get_name() == "default:gravel" then -- will we find ore?
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if not random_ore(inv, src) then -- no ore found?
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add_gravel_to_dst(meta, inv)
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end
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else
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inv:add_item("dst", ItemStack("techage:sieved_gravel")) -- add to dest
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end
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inv:remove_item("src", src)
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end
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return true -- process finished
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end
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return false -- process still running
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end
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-- timer callback, alternatively called by on_punch
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local function sieve_node_timer(pos, elapsed)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local gravel = ItemStack("default:gravel")
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local gravel_sieved = ItemStack("techage:sieved_gravel")
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if move_src2dst(meta, pos, inv, gravel) then
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return true
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elseif move_src2dst(meta, pos, inv, gravel_sieved) then
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return true
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else
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minetest.get_node_timer(pos):stop()
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return false
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end
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end
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for idx = 0,4 do
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local nodebox_data = {
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{ -8/16, -8/16, -8/16, 8/16, 4/16, -6/16 },
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{ -8/16, -8/16, 6/16, 8/16, 4/16, 8/16 },
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{ -8/16, -8/16, -8/16, -6/16, 4/16, 8/16 },
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{ 6/16, -8/16, -8/16, 8/16, 4/16, 8/16 },
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{ -6/16, -2/16, -6/16, 6/16, 8/16, 6/16 },
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}
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nodebox_data[5][5] = (8 - 2*idx) / 16
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local node_name
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local description
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local tiles_data
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local tube_info
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local not_in_creative_inventory
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node_name = "techage:sieve"
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description = "Gravel Sieve"
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tiles_data = {
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-- up, down, right, left, back, front
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"techage_handsieve_gravel.png",
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"techage_handsieve_gravel.png",
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"techage_handsieve_sieve.png",
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"techage_handsieve_sieve.png",
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"techage_handsieve_sieve.png",
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"techage_handsieve_sieve.png",
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}
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if idx == 3 then
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tiles_data[1] = "techage_handsieve_top.png"
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not_in_creative_inventory = 0
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else
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not_in_creative_inventory = 1
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end
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minetest.register_node(node_name..idx, {
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description = description,
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tiles = tiles_data,
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drawtype = "nodebox",
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drop = node_name,
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tube = tube_info, -- NEW
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node_box = {
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type = "fixed",
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fixed = nodebox_data,
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},
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selection_box = {
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type = "fixed",
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fixed = { -8/16, -8/16, -8/16, 8/16, 4/16, 8/16 },
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},
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on_timer = sieve_node_timer,
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on_construct = function(pos)
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local meta = minetest.get_meta(pos)
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meta:set_int("idx", idx) -- for the 4 sieve phases
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meta:set_int("gravel_cnt", 0) -- counter to switch between gravel and sieved gravel
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meta:set_string("node_name", node_name)
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meta:set_string("formspec", sieve_formspec)
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local inv = meta:get_inventory()
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inv:set_size('src', 1)
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inv:set_size('dst', 16)
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end,
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after_place_node = function(pos, placer)
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local meta = minetest.get_meta(pos)
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meta:set_string("infotext", I("TA1 Gravel Sieve"))
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end,
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on_metadata_inventory_move = function(pos)
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local meta = minetest.get_meta(pos)
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swap_node(pos, meta, true)
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end,
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on_metadata_inventory_take = function(pos)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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if inv:is_empty("src") then
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-- sieve should be empty
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meta:set_int("idx", 2)
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swap_node(pos, meta, false)
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meta:set_int("gravel_cnt", 0)
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end
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end,
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on_metadata_inventory_put = function(pos)
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local meta = minetest.get_meta(pos)
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swap_node(pos, meta, true)
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end,
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on_punch = function(pos, node, puncher, pointed_thing)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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if inv:is_empty("dst") and inv:is_empty("src") then
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minetest.node_punch(pos, node, puncher, pointed_thing)
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else
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sieve_node_timer(pos, 0)
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end
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end,
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on_dig = function(pos, node, puncher, pointed_thing)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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if inv:is_empty("dst") and inv:is_empty("src") then
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minetest.node_dig(pos, node, puncher, pointed_thing)
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end
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end,
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allow_metadata_inventory_put = allow_metadata_inventory_put,
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allow_metadata_inventory_move = allow_metadata_inventory_move,
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allow_metadata_inventory_take = allow_metadata_inventory_take,
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paramtype = "light",
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sounds = default.node_sound_wood_defaults(),
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paramtype2 = "facedir",
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sunlight_propagates = true,
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is_ground_content = false,
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groups = {choppy=2, cracky=1, not_in_creative_inventory=not_in_creative_inventory},
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drop = node_name.."3",
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})
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end
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minetest.register_node("techage:sieved_gravel", {
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description = I("Sieved Gravel"),
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tiles = {"default_gravel.png"},
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groups = {crumbly=2, falling_node=1, not_in_creative_inventory=1},
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sounds = default.node_sound_gravel_defaults(),
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})
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minetest.register_node("techage:compressed_gravel", {
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description = I("Compressed Gravel"),
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tiles = {"techage_compressed_gravel.png"},
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groups = {cracky=2, crumbly = 2, cracky = 2},
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sounds = default.node_sound_gravel_defaults(),
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})
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minetest.register_craft({
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output = "techage:sieve",
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recipe = {
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{"group:wood", "", "group:wood"},
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{"group:wood", "default:steel_ingot", "group:wood"},
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{"group:wood", "", "group:wood"},
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},
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})
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minetest.register_craft({
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output = "techage:auto_sieve",
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type = "shapeless",
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recipe = {
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"techage:sieve", "default:mese_crystal", "default:mese_crystal",
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},
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})
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minetest.register_craft({
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output = "techage:compressed_gravel",
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recipe = {
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{"techage:sieved_gravel", "techage:sieved_gravel"},
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{"techage:sieved_gravel", "techage:sieved_gravel"},
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},
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})
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minetest.register_craft({
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type = "cooking",
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output = "default:cobble",
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recipe = "techage:compressed_gravel",
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cooktime = 10,
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})
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minetest.register_alias("techage:sieve", "techage:sieve3")
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minetest.register_alias("techage:auto_sieve", "techage:auto_sieve3")
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-- adaption to Circular Saw
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--if minetest.get_modpath("moreblocks") then
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-- stairsplus:register_all("techage", "compressed_gravel", "techage:compressed_gravel", {
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-- description= I("Compressed Gravel"),
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-- groups={cracky=2, crumbly=2, choppy=2, not_in_creative_inventory=1},
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-- tiles = {"techage_compressed_gravel.png"},
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-- sounds = default.node_sound_stone_defaults(),
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-- })
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--end
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