-- Configuration
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local chainsaw_max_charge = 30000 -- 30000 - Maximum charge of the saw
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local chainsaw_charge_per_node = 12 -- 12 - Gives 2500 nodes on a single charge (about 50 complete normal trees)
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local chainsaw_leaves = true -- true - Cut down entire trees, leaves and all
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technic.register_LV_power_tool ("technic:chainsaw",chainsaw_max_charge)
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minetest.register_tool("technic:chainsaw", {
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description = "Chainsaw",
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inventory_image = "technic_chainsaw.png",
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stack_max = 1,
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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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item=itemstack:to_table()
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local meta=get_item_meta(item["metadata"])
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if meta==nil then return end --tool not charged
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if meta["charge"]==nil then return end
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-- Send current charge to digging function so that the chainsaw will stop after digging a number of nodes.
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local charge=meta["charge"]
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if charge < chainsaw_charge_per_node then return end -- only cut if charged
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charge=chainsaw_dig_it(minetest.get_pointed_thing_position(pointed_thing, above),user,charge)
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technic.set_RE_wear(item,charge,chainsaw_max_charge)
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meta["charge"]=charge
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item["metadata"]=set_item_meta(meta)
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itemstack:replace(item)
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return itemstack
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end
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end,
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})
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minetest.register_craft({
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output = 'technic:chainsaw',
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recipe = {
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{'technic:stainless_steel_ingot', 'technic:stainless_steel_ingot', 'technic:battery'},
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{'technic:stainless_steel_ingot', 'technic:motor', 'technic:battery'},
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{'', '', 'default:copper_ingot'},
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}
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})
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-- The default stuff
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local timber_nodenames={["default:jungletree"] = true,
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["default:papyrus"] = true,
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["default:cactus"] = true,
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["default:tree"] = true,
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["default:apple"] = true
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}
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if chainsaw_leaves == true then
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timber_nodenames["default:leaves"] = true
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end
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-- Support moretrees if it is there
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if( minetest.get_modpath("moretrees") ~= nil ) then
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timber_nodenames["moretrees:apple_tree_trunk"] = true
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timber_nodenames["moretrees:apple_tree_trunk_sideways"] = true
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timber_nodenames["moretrees:beech_trunk"] = true
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timber_nodenames["moretrees:beech_trunk_sideways"] = true
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timber_nodenames["moretrees:birch_trunk"] = true
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timber_nodenames["moretrees:birch_trunk_sideways"] = true
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timber_nodenames["moretrees:fir_trunk"] = true
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timber_nodenames["moretrees:fir_trunk_sideways"] = true
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timber_nodenames["moretrees:oak_trunk"] = true
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timber_nodenames["moretrees:oak_trunk_sideways"] = true
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timber_nodenames["moretrees:palm_trunk"] = true
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timber_nodenames["moretrees:palm_trunk_sideways"] = true
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timber_nodenames["moretrees:pine_trunk"] = true
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timber_nodenames["moretrees:pine_trunk_sideways"] = true
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timber_nodenames["moretrees:rubber_tree_trunk"] = true
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timber_nodenames["moretrees:rubber_tree_trunk_sideways"] = true
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timber_nodenames["moretrees:rubber_tree_trunk_empty"] = true
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timber_nodenames["moretrees:rubber_tree_trunk_sideways_empty"] = true
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timber_nodenames["moretrees:sequoia_trunk"] = true
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timber_nodenames["moretrees:sequoia_trunk_sideways"] = true
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timber_nodenames["moretrees:spruce_trunk"] = true
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timber_nodenames["moretrees:spruce_trunk_sideways"] = true
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timber_nodenames["moretrees:willow_trunk"] = true
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timber_nodenames["moretrees:willow_trunk_sideways"] = true
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timber_nodenames["moretrees:jungletree_trunk"] = true
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timber_nodenames["moretrees:jungletree_trunk_sideways"] = true
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if chainsaw_leaves == true then
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timber_nodenames["moretrees:apple_tree_leaves"] = true
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timber_nodenames["moretrees:oak_leaves"] = true
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timber_nodenames["moretrees:sequoia_leaves"] = true
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timber_nodenames["moretrees:birch_leaves"] = true
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timber_nodenames["moretrees:birch_leaves"] = true
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timber_nodenames["moretrees:palm_leaves"] = true
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timber_nodenames["moretrees:spruce_leaves"] = true
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timber_nodenames["moretrees:spruce_leaves"] = true
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timber_nodenames["moretrees:pine_leaves"] = true
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timber_nodenames["moretrees:willow_leaves"] = true
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timber_nodenames["moretrees:rubber_tree_leaves"] = true
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timber_nodenames["moretrees:jungletree_leaves_green"] = true
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timber_nodenames["moretrees:jungletree_leaves_yellow"] = true
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timber_nodenames["moretrees:jungletree_leaves_red"] = true
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end
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end
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-- Support growing_trees if it is there
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if( minetest.get_modpath("growing_trees") ~= nil ) then
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timber_nodenames["growing_trees:trunk"] = true
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timber_nodenames["growing_trees:medium_trunk"] = true
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timber_nodenames["growing_trees:big_trunk"] = true
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timber_nodenames["growing_trees:trunk_top"] = true
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timber_nodenames["growing_trees:trunk_sprout"] = true
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timber_nodenames["growing_trees:branch_sprout"] = true
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timber_nodenames["growing_trees:branch"] = true
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timber_nodenames["growing_trees:branch_xmzm"] = true
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timber_nodenames["growing_trees:branch_xpzm"] = true
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timber_nodenames["growing_trees:branch_xmzp"] = true
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timber_nodenames["growing_trees:branch_xpzp"] = true
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timber_nodenames["growing_trees:branch_zz"] = true
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timber_nodenames["growing_trees:branch_xx"] = true
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if chainsaw_leaves == true then
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timber_nodenames["growing_trees:leaves"] = true
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end
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end
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-- Support growing_cactus if it is there
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if( minetest.get_modpath("growing_cactus") ~= nil ) then
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timber_nodenames["growing_cactus:sprout"] = true
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timber_nodenames["growing_cactus:branch_sprout_vertical"] = true
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timber_nodenames["growing_cactus:branch_sprout_vertical_fixed"] = true
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timber_nodenames["growing_cactus:branch_sprout_xp"] = true
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timber_nodenames["growing_cactus:branch_sprout_xm"] = true
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timber_nodenames["growing_cactus:branch_sprout_zp"] = true
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timber_nodenames["growing_cactus:branch_sprout_zm"] = true
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timber_nodenames["growing_cactus:trunk"] = true
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timber_nodenames["growing_cactus:branch_trunk"] = true
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timber_nodenames["growing_cactus:branch"] = true
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timber_nodenames["growing_cactus:branch_xp"] = true
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timber_nodenames["growing_cactus:branch_xm"] = true
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timber_nodenames["growing_cactus:branch_zp"] = true
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timber_nodenames["growing_cactus:branch_zm"] = true
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timber_nodenames["growing_cactus:branch_zz"] = true
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timber_nodenames["growing_cactus:branch_xx"] = true
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end
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-- Support farming_plus if it is there
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if( minetest.get_modpath("farming_plus") ~= nil ) then
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if chainsaw_leaves == true then
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timber_nodenames["farming_plus:cocoa_leaves"] = true
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end
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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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-- Saw down trees entry point
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chainsaw_dig_it = function(pos, player,current_charge)
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local remaining_charge=current_charge
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-- Save the currently installed dropping mechanism so we can restore it.
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local original_handle_node_drops = minetest.handle_node_drops
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-- A bit of trickery here: use a different node drop callback
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-- and restore the original afterwards.
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minetest.handle_node_drops = chainsaw_handle_node_drops
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-- clear result and start sawing things down
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produced = {}
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remaining_charge = recursive_dig(pos, remaining_charge, player)
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minetest.sound_play("chainsaw", {pos = pos, gain = 1.0, max_hear_distance = 10,})
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-- Restore the original noder drop handler
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minetest.handle_node_drops = original_handle_node_drops
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-- Now drop items for the player
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local number, produced_item, p
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for produced_item,number in pairs(produced) do
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--print("ADDING ITEM: " .. produced_item .. " " .. number)
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-- Drop stacks of 99 or less
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p = {
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x = pos.x + math.random()*4,
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y = pos.y,
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z = pos.z + math.random()*4
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}
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while number > 99 do
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minetest.env:add_item(p, produced_item .. " 99")
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p = {
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x = pos.x + math.random()*4,
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y = pos.y,
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z = pos.z + math.random()*4
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}
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number = number - 99
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end
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minetest.env:add_item(p, produced_item .. " " .. number)
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end
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return remaining_charge
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end
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-- Override the default handling routine to be able to count up the
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-- items sawed down so that we can drop them i an nice single stack
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chainsaw_handle_node_drops = function(pos, drops, digger)
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-- Add dropped items to list of collected nodes
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local _, dropped_item
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for _, dropped_item in ipairs(drops) do
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if produced[dropped_item] == nil then
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produced[dropped_item] = 1
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else
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produced[dropped_item] = produced[dropped_item] + 1
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end
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end
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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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recursive_dig = function(pos, remaining_charge, player)
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local node=minetest.env:get_node(pos)
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local i=1
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-- Lookup node name in timber table:
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if timber_nodenames[node.name] ~= nil then
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-- Return if we are out of power
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if remaining_charge < chainsaw_charge_per_node then
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return 0
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end
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local np
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-- wood found - cut it.
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minetest.env:dig_node(pos)
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remaining_charge=remaining_charge-chainsaw_charge_per_node
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-- check surroundings and run recursively if any charge left
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np={x=pos.x+1, y=pos.y, z=pos.z}
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if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
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remaining_charge = recursive_dig(np, remaining_charge)
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end
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np={x=pos.x+1, y=pos.y, z=pos.z+1}
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if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
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remaining_charge = recursive_dig(np, remaining_charge)
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end
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np={x=pos.x+1, y=pos.y, z=pos.z-1}
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if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
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remaining_charge = recursive_dig(np, remaining_charge)
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end
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np={x=pos.x-1, y=pos.y, z=pos.z}
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if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
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remaining_charge = recursive_dig(np, remaining_charge)
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end
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np={x=pos.x-1, y=pos.y, z=pos.z+1}
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if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
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remaining_charge = recursive_dig(np, remaining_charge)
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end
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np={x=pos.x-1, y=pos.y, z=pos.z-1}
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if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
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remaining_charge = recursive_dig(np, remaining_charge)
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end
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np={x=pos.x, y=pos.y+1, z=pos.z}
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if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
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remaining_charge = recursive_dig(np, remaining_charge)
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end
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np={x=pos.x, y=pos.y, z=pos.z+1}
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if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
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remaining_charge = recursive_dig(np, remaining_charge)
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end
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np={x=pos.x, y=pos.y, z=pos.z-1}
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if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
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remaining_charge = recursive_dig(np, remaining_charge)
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end
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return remaining_charge
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end
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-- Nothing sawed down
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return remaining_charge
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end
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