commit | author | age
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local technic_modpath = minetest.get_modpath( "technic" ) |
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dofile( technic_modpath .. "/tools/class_pointset.lua" ) |
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-- Configuration |
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local xnotreetap_max_charge = 30000 -- Maximum charge of the saw |
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-- Gives 2500 nodes on a single charge (about 50 complete normal trees) |
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local xnotreetap_charge_per_node = 12 |
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-- Cut down tree leaves. Leaf decay may cause slowness on large trees |
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-- if this is disabled. |
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local xnotreetap_leaves = true |
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-- First value is node name; second is whether the node is considered even if xnotreetap_leaves is false. |
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local nodes = { |
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-- Rubber trees from moretrees or technic_worldgen if moretrees isn't installed |
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{"moretrees:rubber_tree_trunk_empty", true}, |
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{"moretrees:rubber_tree_trunk", true}, |
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{"moretrees:rubber_tree_leaves", false}, |
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} |
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-- Remember node visited recursive and not dig twice |
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local nodeVisited = Pointset.create() |
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local timber_nodenames = {} |
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for _, node in pairs(nodes) do |
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if xnotreetap_leaves or node[2] then |
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timber_nodenames[node[1]] = true |
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end |
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end |
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local S = technic.getter |
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technic.register_power_tool("technic:xnotreetap", xnotreetap_max_charge) |
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local mesecons_materials = minetest.get_modpath("mesecons_materials") |
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-- This function checks if the specified node should be sawed |
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local function check_if_node_sawed(pos) |
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local node = minetest.get_node(pos) |
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local node_name = node.name |
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if timber_nodenames[node_name] |
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or (xnotreetap_leaves and minetest.get_item_group(node_name, "leaves") ~= 0) |
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or minetest.get_item_group(node_name, "tree") ~= 0 then |
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minetest.log("action", "[Xno Tree Tap] "..node_name.." good node to collect.") --print to log |
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return true |
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end |
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return false |
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end |
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-- Table for saving what was sawed down |
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local produced = {} |
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local function myString (v) |
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return v.x.." "..v.y.." "..v.z.." " |
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end |
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-- Save the items sawed down so that we can drop them in a nice single stack |
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local function handle_drops(drops) |
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for _, item in ipairs(drops) do |
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local stack = ItemStack(item) |
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local name = stack:get_name() |
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local p = produced[name] |
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if not p then |
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produced[name] = stack |
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else |
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p:set_count(p:get_count() + stack:get_count()) |
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end |
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end |
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end |
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--- Iterator over positions to try to saw around a sawed node. |
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-- This returns positions in a 3x1x3 area around the position, plus the |
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-- position above it. This does not return the bottom position to prevent |
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-- the chainsaw from cutting down nodes below the cutting position. |
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-- @param pos Sawing position. |
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local function iterSawTries(pos) |
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-- Copy position to prevent mangling it |
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local pos = vector.new(pos) |
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local i = 0 |
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return function() |
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i = i + 1 |
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-- Given a (top view) area like so (where 5 is the starting position): |
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-- X --> |
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-- Z 123 |
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-- | 456 |
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-- V 789 |
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-- This will return positions 1, 4, 7, 2, 8 (skip 5), 3, 6, 9, |
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-- and the position above 5. |
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if i == 1 then |
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-- Move to starting position |
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pos.x = pos.x - 1 |
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pos.z = pos.z - 1 |
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elseif i == 4 or i == 7 then |
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-- Move to next X and back to start of Z when we reach |
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-- the end of a Z line. |
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pos.x = pos.x + 1 |
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pos.z = pos.z - 2 |
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elseif i == 5 then |
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-- Skip the middle position (we've already run on it) |
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-- and double-increment the counter. |
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pos.z = pos.z + 2 |
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i = i + 1 |
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elseif i <= 9 then |
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-- Go to next Z. |
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pos.z = pos.z + 1 |
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elseif i == 10 then |
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-- Move back to center and up. |
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-- The Y+ position must be last so that we don't dig |
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-- straight upward and not come down (since the Y- |
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-- position isn't checked). |
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pos.x = pos.x - 1 |
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pos.z = pos.z - 1 |
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pos.y = pos.y + 1 |
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else |
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return nil |
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end |
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return pos |
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end |
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end |
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-- inserisco un valore in tabella |
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local function add_table(table, toadd) |
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table:set(toadd.x, toadd.y, toadd.z, true) |
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end |
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-- bool controllo se un valore è presente in tabella |
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local function in_table(table, pos) |
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local val = table:get(pos.x, pos.y, pos.z) |
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local visited = 'NO' |
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if val ~= nil then |
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if val then |
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visited = 'SI' |
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end |
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minetest.log("action", "[Xno Tree Tap] "..myString(pos).." visited? " .. visited) --print to log |
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return val |
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end |
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return false |
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end |
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-- verifico se un nodo è nella tabella visitato |
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local function check_if_node_visited (pos) |
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return in_table(nodeVisited, pos) |
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end |
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local function set_node_visited (pos) |
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minetest.log("action", "[Xno Tree Tap] "..myString(pos).." set node visited.") --print to log |
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add_table(nodeVisited, pos) |
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end |
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-- This function does all the hard work. Recursively we dig the node at hand |
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-- if it is in the table and then search the surroundings for more stuff to dig. |
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local function recursive_dig(pos, remaining_charge) |
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if remaining_charge < xnotreetap_charge_per_node then |
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return remaining_charge |
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end |
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if check_if_node_visited(pos) then |
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return remaining_charge |
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end |
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if not check_if_node_sawed(pos) then |
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return remaining_charge |
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end |
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local node = minetest.get_node(pos) |
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if node.name == "moretrees:rubber_tree_trunk" then |
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--raccolta gomma |
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node.name = "moretrees:rubber_tree_trunk_empty" |
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minetest.swap_node(pos, node) |
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handle_drops(minetest.get_node_drops("technic:raw_latex", "")) |
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remaining_charge = remaining_charge - xnotreetap_charge_per_node |
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-- Wood found - cut it |
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-- handle_drops(minetest.get_node_drops(node.name, "")) |
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-- minetest.remove_node(pos) |
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-- remaining_charge = remaining_charge - xnotreetap_charge_per_node |
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end |
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if node.name == "moretrees:rubber_tree_leaves" then |
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-- Leaves found - cut it |
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handle_drops(minetest.get_node_drops(node.name, "")) |
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minetest.remove_node(pos) |
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remaining_charge = remaining_charge - xnotreetap_charge_per_node |
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end |
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set_node_visited(pos) |
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-- Check surroundings and run recursively if any charge left |
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for npos in iterSawTries(pos) do |
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if remaining_charge < xnotreetap_charge_per_node then |
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break |
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end |
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if check_if_node_sawed(npos) then |
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remaining_charge = recursive_dig(npos, remaining_charge) |
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else |
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minetest.check_for_falling(npos) |
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end |
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end |
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return remaining_charge |
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end |
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-- Function to randomize positions for new node drops |
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local function get_drop_pos(pos) |
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local drop_pos = {} |
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for i = 0, 8 do |
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-- Randomize position for a new drop |
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drop_pos.x = pos.x + math.random(-3, 3) |
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drop_pos.y = pos.y - 1 |
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drop_pos.z = pos.z + math.random(-3, 3) |
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-- Move the randomized position upwards until |
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-- the node is air or unloaded. |
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for y = drop_pos.y, drop_pos.y + 5 do |
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drop_pos.y = y |
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local node = minetest.get_node_or_nil(drop_pos) |
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if not node then |
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-- If the node is not loaded yet simply drop |
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-- the item at the original digging position. |
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return pos |
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elseif node.name == "air" then |
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-- Add variation to the entity drop position, |
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-- but don't let drops get too close to the edge |
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drop_pos.x = drop_pos.x + (math.random() * 0.8) - 0.5 |
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drop_pos.z = drop_pos.z + (math.random() * 0.8) - 0.5 |
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return drop_pos |
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end |
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end |
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end |
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-- Return the original position if this takes too long |
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return pos |
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end |
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-- Chainsaw entry point |
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local function xnotreetap_dig(pos, current_charge) |
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-- Start sawing things down |
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local remaining_charge = recursive_dig(pos, current_charge) |
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minetest.sound_play("chainsaw", {pos = pos, gain = 1.0, |
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max_hear_distance = 10}) |
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-- Now drop items for the player |
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for name, stack in pairs(produced) do |
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-- Drop stacks of stack max or less |
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local count, max = stack:get_count(), stack:get_stack_max() |
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stack:set_count(max) |
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while count > max do |
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minetest.add_item(get_drop_pos(pos), stack) |
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count = count - max |
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end |
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stack:set_count(count) |
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minetest.add_item(get_drop_pos(pos), stack) |
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end |
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-- Clean up |
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produced = {} |
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return remaining_charge |
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end |
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minetest.register_tool("technic:xnotreetap", { |
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description = S("Xno Tree Tap"), |
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inventory_image = "technic_tree_tap.png", |
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stack_max = 1, |
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wear_represents = "technic_RE_charge", |
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on_refill = technic.refill_RE_charge, |
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on_use = function(itemstack, user, pointed_thing) |
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if pointed_thing.type ~= "node" then |
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return itemstack |
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end |
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--check tool charge |
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local meta = minetest.deserialize(itemstack:get_metadata()) |
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if not meta or not meta.charge or |
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meta.charge < xnotreetap_charge_per_node then |
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return |
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end |
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--check node protection |
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local pos = pointed_thing.under |
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if minetest.is_protected(pos, user:get_player_name()) then |
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minetest.record_protection_violation(pos, user:get_player_name()) |
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return |
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end |
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--reinizializze visited struct |
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nodeVisited = Pointset.create() |
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--can collect only from rubber tree trunk |
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local node = minetest.get_node(pos) |
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local node_name = node.name |
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if node_name ~= "moretrees:rubber_tree_trunk" then |
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return |
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end |
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-- Send current charge to digging function so that the |
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-- chainsaw will stop after digging a number of nodes |
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meta.charge = xnotreetap_dig(pointed_thing.under, meta.charge) |
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if not technic.creative_mode then |
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technic.set_RE_wear(itemstack, meta.charge, xnotreetap_max_charge) |
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itemstack:set_metadata(minetest.serialize(meta)) |
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end |
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return itemstack |
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end, |
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}) |
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minetest.register_craft({ |
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output = "technic:xnotreetap", |
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recipe = { |
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{"pipeworks:tube_1", "group:wood", "default:stick"}, |
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{"technic:battery", "default:stick", "default:stick"}, |
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{"technic:battery", "default:stick", "default:stick"}, |
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}, |
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}) |
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