From e90b28895cc28daf1a2e4fb772bd191400cf9e62 Mon Sep 17 00:00:00 2001
From: fgrosswig <falk@grosswig.de>
Date: Mon, 06 Jan 2020 21:50:15 +0100
Subject: [PATCH] battery_box.lua: Make "srcstack" local (#525)
---
technic/tools/chainsaw.lua | 608 +++++++++++++++++++++++++++++++-----------------------
1 files changed, 349 insertions(+), 259 deletions(-)
diff --git a/technic/tools/chainsaw.lua b/technic/tools/chainsaw.lua
index 67ec43d..22685cf 100644
--- a/technic/tools/chainsaw.lua
+++ b/technic/tools/chainsaw.lua
@@ -1,279 +1,369 @@
-- Configuration
-local chainsaw_max_charge = 30000 -- 30000 - Maximum charge of the saw
-local chainsaw_charge_per_node = 12 -- 12 - Gives 2500 nodes on a single charge (about 50 complete normal trees)
-local chainsaw_leaves = true -- true - Cut down entire trees, leaves and all
+
+local chainsaw_max_charge = 30000 -- Maximum charge of the saw
+-- Gives 2500 nodes on a single charge (about 50 complete normal trees)
+local chainsaw_charge_per_node = 12
+-- Cut down tree leaves. Leaf decay may cause slowness on large trees
+-- if this is disabled.
+local chainsaw_leaves = true
+
+-- First value is node name; second is whether the node is considered even if chainsaw_leaves is false.
+local nodes = {
+ -- The default trees
+ {"default:acacia_tree", true},
+ {"default:aspen_tree", true},
+ {"default:jungletree", true},
+ {"default:papyrus", true},
+ {"default:cactus", true},
+ {"default:tree", true},
+ {"default:apple", true},
+ {"default:pine_tree", true},
+ {"default:acacia_leaves", false},
+ {"default:aspen_leaves", false},
+ {"default:leaves", false},
+ {"default:jungleleaves", false},
+ {"default:pine_needles", false},
+
+ -- Rubber trees from moretrees or technic_worldgen if moretrees isn't installed
+ {"moretrees:rubber_tree_trunk_empty", true},
+ {"moretrees:rubber_tree_trunk", true},
+ {"moretrees:rubber_tree_leaves", false},
+
+ -- Support moretrees
+ {"moretrees:acacia_trunk", true},
+ {"moretrees:apple_tree_trunk", true},
+ {"moretrees:beech_trunk", true},
+ {"moretrees:birch_trunk", true},
+ {"moretrees:fir_trunk", true},
+ {"moretrees:oak_trunk", true},
+ {"moretrees:palm_trunk", true},
+ {"moretrees:pine_trunk", true},
+ {"moretrees:sequoia_trunk", true},
+ {"moretrees:spruce_trunk", true},
+ {"moretrees:willow_trunk", true},
+ {"moretrees:jungletree_trunk", true},
+ {"moretrees:poplar_trunk", true},
+ {"moretrees:acacia_leaves", false},
+ {"moretrees:apple_tree_leaves", false},
+ {"moretrees:oak_leaves", false},
+ {"moretrees:fir_leaves", false},
+ {"moretrees:fir_leaves_bright", false},
+ {"moretrees:sequoia_leaves", false},
+ {"moretrees:birch_leaves", false},
+ {"moretrees:birch_leaves", false},
+ {"moretrees:palm_leaves", false},
+ {"moretrees:spruce_leaves", false},
+ {"moretrees:spruce_leaves", false},
+ {"moretrees:pine_leaves", false},
+ {"moretrees:willow_leaves", false},
+ {"moretrees:jungletree_leaves_green", false},
+ {"moretrees:jungletree_leaves_yellow", false},
+ {"moretrees:jungletree_leaves_red", false},
+ {"moretrees:acorn", false},
+ {"moretrees:coconut", false},
+ {"moretrees:spruce_cone", false},
+ {"moretrees:pine_cone", false},
+ {"moretrees:fir_cone", false},
+ {"moretrees:apple_blossoms", false},
+ {"moretrees:poplar_leaves", false},
+
+ -- Support growing_trees
+ {"growing_trees:trunk", true},
+ {"growing_trees:medium_trunk", true},
+ {"growing_trees:big_trunk", true},
+ {"growing_trees:trunk_top", true},
+ {"growing_trees:trunk_sprout", true},
+ {"growing_trees:branch_sprout", true},
+ {"growing_trees:branch", true},
+ {"growing_trees:branch_xmzm", true},
+ {"growing_trees:branch_xpzm", true},
+ {"growing_trees:branch_xmzp", true},
+ {"growing_trees:branch_xpzp", true},
+ {"growing_trees:branch_zz", true},
+ {"growing_trees:branch_xx", true},
+ {"growing_trees:leaves", false},
+
+ -- Support cool_trees
+ {"bamboo:trunk", true},
+ {"bamboo:leaves", false},
+ {"birch:trunk", true},
+ {"birch:leaves", false},
+ {"cherrytree:trunk", true},
+ {"cherrytree:blossom_leaves", false},
+ {"cherrytree:leaves", false},
+ {"chestnuttree:trunk", true},
+ {"chestnuttree:leaves", false},
+ {"clementinetree:trunk", true},
+ {"clementinetree:leaves", false},
+ {"ebony:trunk", true},
+ {"ebony:creeper", false},
+ {"ebony:creeper_leaves", false},
+ {"ebony:leaves", false},
+ {"jacaranda:trunk", true},
+ {"jacaranda:blossom_leaves", false},
+ {"larch:trunk", true},
+ {"larch:leaves", false},
+ {"lemontree:trunk", true},
+ {"lemontree:leaves", false},
+ {"mahogany:trunk", true},
+ {"mahogany:leaves", false},
+ {"palm:trunk", true},
+ {"palm:leaves", false},
+
+ -- Support growing_cactus
+ {"growing_cactus:sprout", true},
+ {"growing_cactus:branch_sprout_vertical", true},
+ {"growing_cactus:branch_sprout_vertical_fixed", true},
+ {"growing_cactus:branch_sprout_xp", true},
+ {"growing_cactus:branch_sprout_xm", true},
+ {"growing_cactus:branch_sprout_zp", true},
+ {"growing_cactus:branch_sprout_zm", true},
+ {"growing_cactus:trunk", true},
+ {"growing_cactus:branch_trunk", true},
+ {"growing_cactus:branch", true},
+ {"growing_cactus:branch_xp", true},
+ {"growing_cactus:branch_xm", true},
+ {"growing_cactus:branch_zp", true},
+ {"growing_cactus:branch_zm", true},
+ {"growing_cactus:branch_zz", true},
+ {"growing_cactus:branch_xx", true},
+
+ -- Support farming_plus
+ {"farming_plus:banana_leaves", false},
+ {"farming_plus:banana", false},
+ {"farming_plus:cocoa_leaves", false},
+ {"farming_plus:cocoa", false},
+
+ -- Support nature
+ {"nature:blossom", false},
+
+ -- Support snow
+ {"snow:needles", false},
+ {"snow:needles_decorated", false},
+ {"snow:star", false},
+
+ -- Support vines (also generated by moretrees if available)
+ {"vines:vines", false},
+
+ {"trunks:moss", false},
+ {"trunks:moss_fungus", false},
+ {"trunks:treeroot", false},
+}
+
+local timber_nodenames = {}
+for _, node in pairs(nodes) do
+ if chainsaw_leaves or node[2] then
+ timber_nodenames[node[1]] = true
+ end
+end
local S = technic.getter
technic.register_power_tool("technic:chainsaw", chainsaw_max_charge)
-minetest.register_tool("technic:chainsaw", {
- description = S("Chainsaw"),
- inventory_image = "technic_chainsaw.png",
- stack_max = 1,
- on_use = function(itemstack, user, pointed_thing)
- if pointed_thing.type ~= "node" then
- return itemstack
+-- Table for saving what was sawed down
+local produced = {}
+
+-- Save the items sawed down so that we can drop them in a nice single stack
+local function handle_drops(drops)
+ for _, item in ipairs(drops) do
+ local stack = ItemStack(item)
+ local name = stack:get_name()
+ local p = produced[name]
+ if not p then
+ produced[name] = stack
+ else
+ p:set_count(p:get_count() + stack:get_count())
end
- local meta = get_item_meta(itemstack:get_metadata())
- if not meta or not meta.charge then
- return
- end
- -- Send current charge to digging function so that the chainsaw will stop after digging a number of nodes.
- if meta.charge < chainsaw_charge_per_node then
- return
- end
-
- local pos = minetest.get_pointed_thing_position(pointed_thing, above)
- meta.charge = chainsaw_dig_it(pos, user, meta.charge)
- technic.set_RE_wear(itemstack, meta.charge, chainsaw_max_charge)
- itemstack:set_metadata(set_item_meta(meta))
- return itemstack
- end,
-})
-
-minetest.register_craft({
- output = 'technic:chainsaw',
- recipe = {
- {'technic:stainless_steel_ingot', 'technic:stainless_steel_ingot', 'technic:battery'},
- {'technic:stainless_steel_ingot', 'technic:motor', 'technic:battery'},
- {'', '', 'default:copper_ingot'},
- }
-})
-
--- The default stuff
-local timber_nodenames={["default:jungletree"] = true,
- ["default:papyrus"] = true,
- ["default:cactus"] = true,
- ["default:tree"] = true,
- ["default:apple"] = true
-}
-
-if chainsaw_leaves == true then
- timber_nodenames["default:leaves"] = true
-end
-
--- technic_worldgen defines rubber trees if moretrees isn't installed
-if minetest.get_modpath("technic_worldgen") or
- minetest.get_modpath("moretrees") then
- timber_nodenames["moretrees:rubber_tree_trunk_empty"] = true
- timber_nodenames["moretrees:rubber_tree_trunk"] = true
- if chainsaw_leaves then
- timber_nodenames["moretrees:rubber_tree_leaves"] = true
end
end
--- Support moretrees if it is there
-if( minetest.get_modpath("moretrees") ~= nil ) then
- timber_nodenames["moretrees:apple_tree_trunk"] = true
- timber_nodenames["moretrees:apple_tree_trunk_sideways"] = true
- timber_nodenames["moretrees:beech_trunk"] = true
- timber_nodenames["moretrees:beech_trunk_sideways"] = true
- timber_nodenames["moretrees:birch_trunk"] = true
- timber_nodenames["moretrees:birch_trunk_sideways"] = true
- timber_nodenames["moretrees:fir_trunk"] = true
- timber_nodenames["moretrees:fir_trunk_sideways"] = true
- timber_nodenames["moretrees:oak_trunk"] = true
- timber_nodenames["moretrees:oak_trunk_sideways"] = true
- timber_nodenames["moretrees:palm_trunk"] = true
- timber_nodenames["moretrees:palm_trunk_sideways"] = true
- timber_nodenames["moretrees:pine_trunk"] = true
- timber_nodenames["moretrees:pine_trunk_sideways"] = true
- timber_nodenames["moretrees:rubber_tree_trunk_sideways"] = true
- timber_nodenames["moretrees:rubber_tree_trunk_sideways_empty"] = true
- timber_nodenames["moretrees:sequoia_trunk"] = true
- timber_nodenames["moretrees:sequoia_trunk_sideways"] = true
- timber_nodenames["moretrees:spruce_trunk"] = true
- timber_nodenames["moretrees:spruce_trunk_sideways"] = true
- timber_nodenames["moretrees:willow_trunk"] = true
- timber_nodenames["moretrees:willow_trunk_sideways"] = true
- timber_nodenames["moretrees:jungletree_trunk"] = true
- timber_nodenames["moretrees:jungletree_trunk_sideways"] = true
+--- Iterator over positions to try to saw around a sawed node.
+-- This returns positions in a 3x1x3 area around the position, plus the
+-- position above it. This does not return the bottom position to prevent
+-- the chainsaw from cutting down nodes below the cutting position.
+-- @param pos Sawing position.
+local function iterSawTries(pos)
+ -- Copy position to prevent mangling it
+ local pos = vector.new(pos)
+ local i = 0
- if chainsaw_leaves then
- timber_nodenames["moretrees:apple_tree_leaves"] = true
- timber_nodenames["moretrees:oak_leaves"] = true
- timber_nodenames["moretrees:sequoia_leaves"] = true
- timber_nodenames["moretrees:birch_leaves"] = true
- timber_nodenames["moretrees:birch_leaves"] = true
- timber_nodenames["moretrees:palm_leaves"] = true
- timber_nodenames["moretrees:spruce_leaves"] = true
- timber_nodenames["moretrees:spruce_leaves"] = true
- timber_nodenames["moretrees:pine_leaves"] = true
- timber_nodenames["moretrees:willow_leaves"] = true
- timber_nodenames["moretrees:jungletree_leaves_green"] = true
- timber_nodenames["moretrees:jungletree_leaves_yellow"] = true
- timber_nodenames["moretrees:jungletree_leaves_red"] = true
- end
-end
-
--- Support growing_trees if it is there
-if( minetest.get_modpath("growing_trees") ~= nil ) then
- timber_nodenames["growing_trees:trunk"] = true
- timber_nodenames["growing_trees:medium_trunk"] = true
- timber_nodenames["growing_trees:big_trunk"] = true
- timber_nodenames["growing_trees:trunk_top"] = true
- timber_nodenames["growing_trees:trunk_sprout"] = true
- timber_nodenames["growing_trees:branch_sprout"] = true
- timber_nodenames["growing_trees:branch"] = true
- timber_nodenames["growing_trees:branch_xmzm"] = true
- timber_nodenames["growing_trees:branch_xpzm"] = true
- timber_nodenames["growing_trees:branch_xmzp"] = true
- timber_nodenames["growing_trees:branch_xpzp"] = true
- timber_nodenames["growing_trees:branch_zz"] = true
- timber_nodenames["growing_trees:branch_xx"] = true
-
- if chainsaw_leaves == true then
- timber_nodenames["growing_trees:leaves"] = true
- end
-end
-
--- Support growing_cactus if it is there
-if( minetest.get_modpath("growing_cactus") ~= nil ) then
- timber_nodenames["growing_cactus:sprout"] = true
- timber_nodenames["growing_cactus:branch_sprout_vertical"] = true
- timber_nodenames["growing_cactus:branch_sprout_vertical_fixed"] = true
- timber_nodenames["growing_cactus:branch_sprout_xp"] = true
- timber_nodenames["growing_cactus:branch_sprout_xm"] = true
- timber_nodenames["growing_cactus:branch_sprout_zp"] = true
- timber_nodenames["growing_cactus:branch_sprout_zm"] = true
- timber_nodenames["growing_cactus:trunk"] = true
- timber_nodenames["growing_cactus:branch_trunk"] = true
- timber_nodenames["growing_cactus:branch"] = true
- timber_nodenames["growing_cactus:branch_xp"] = true
- timber_nodenames["growing_cactus:branch_xm"] = true
- timber_nodenames["growing_cactus:branch_zp"] = true
- timber_nodenames["growing_cactus:branch_zm"] = true
- timber_nodenames["growing_cactus:branch_zz"] = true
- timber_nodenames["growing_cactus:branch_xx"] = true
-end
-
--- Support farming_plus if it is there
-if( minetest.get_modpath("farming_plus") ~= nil ) then
- if chainsaw_leaves == true then
- timber_nodenames["farming_plus:cocoa_leaves"] = true
- end
-end
-
--- Table for saving what was sawed down
-local produced
-
--- Saw down trees entry point
-chainsaw_dig_it = function(pos, player,current_charge)
- local remaining_charge=current_charge
-
- -- Save the currently installed dropping mechanism so we can restore it.
- local original_handle_node_drops = minetest.handle_node_drops
-
- -- A bit of trickery here: use a different node drop callback
- -- and restore the original afterwards.
- minetest.handle_node_drops = chainsaw_handle_node_drops
-
- -- clear result and start sawing things down
- produced = {}
- remaining_charge = recursive_dig(pos, remaining_charge, player)
- minetest.sound_play("chainsaw", {pos = pos, gain = 1.0, max_hear_distance = 10,})
-
- -- Restore the original noder drop handler
- minetest.handle_node_drops = original_handle_node_drops
-
- -- Now drop items for the player
- local number, produced_item, p
- for produced_item,number in pairs(produced) do
- --print("ADDING ITEM: " .. produced_item .. " " .. number)
- -- Drop stacks of 99 or less
- p = {
- x = pos.x + math.random()*4,
- y = pos.y,
- z = pos.z + math.random()*4
- }
- while number > 99 do
- minetest.env:add_item(p, produced_item .. " 99")
- p = {
- x = pos.x + math.random()*4,
- y = pos.y,
- z = pos.z + math.random()*4
- }
- number = number - 99
- end
- minetest.env:add_item(p, produced_item .. " " .. number)
- end
- return remaining_charge
-end
-
--- Override the default handling routine to be able to count up the
--- items sawed down so that we can drop them i an nice single stack
-chainsaw_handle_node_drops = function(pos, drops, digger)
- -- Add dropped items to list of collected nodes
- local _, dropped_item
- for _, dropped_item in ipairs(drops) do
- if produced[dropped_item] == nil then
- produced[dropped_item] = 1
- else
- produced[dropped_item] = produced[dropped_item] + 1
- end
- end
+ return function()
+ i = i + 1
+ -- Given a (top view) area like so (where 5 is the starting position):
+ -- X -->
+ -- Z 123
+ -- | 456
+ -- V 789
+ -- This will return positions 1, 4, 7, 2, 8 (skip 5), 3, 6, 9,
+ -- and the position above 5.
+ if i == 1 then
+ -- Move to starting position
+ pos.x = pos.x - 1
+ pos.z = pos.z - 1
+ elseif i == 4 or i == 7 then
+ -- Move to next X and back to start of Z when we reach
+ -- the end of a Z line.
+ pos.x = pos.x + 1
+ pos.z = pos.z - 2
+ elseif i == 5 then
+ -- Skip the middle position (we've already run on it)
+ -- and double-increment the counter.
+ pos.z = pos.z + 2
+ i = i + 1
+ elseif i <= 9 then
+ -- Go to next Z.
+ pos.z = pos.z + 1
+ elseif i == 10 then
+ -- Move back to center and up.
+ -- The Y+ position must be last so that we don't dig
+ -- straight upward and not come down (since the Y-
+ -- position isn't checked).
+ pos.x = pos.x - 1
+ pos.z = pos.z - 1
+ pos.y = pos.y + 1
+ else
+ return nil
+ end
+ return pos
+ end
end
-- This function does all the hard work. Recursively we dig the node at hand
-- if it is in the table and then search the surroundings for more stuff to dig.
-recursive_dig = function(pos, remaining_charge, player)
- local node=minetest.env:get_node(pos)
- local i=1
- -- Lookup node name in timber table:
- if timber_nodenames[node.name] ~= nil then
- -- Return if we are out of power
- if remaining_charge < chainsaw_charge_per_node then
- return 0
- end
- local np
- -- wood found - cut it.
- minetest.env:dig_node(pos)
+local function recursive_dig(pos, remaining_charge)
+ if remaining_charge < chainsaw_charge_per_node then
+ return remaining_charge
+ end
+ local node = minetest.get_node(pos)
- remaining_charge=remaining_charge-chainsaw_charge_per_node
- -- check surroundings and run recursively if any charge left
- np={x=pos.x+1, y=pos.y, z=pos.z}
- if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
- remaining_charge = recursive_dig(np, remaining_charge)
- end
- np={x=pos.x+1, y=pos.y, z=pos.z+1}
- if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
- remaining_charge = recursive_dig(np, remaining_charge)
- end
- np={x=pos.x+1, y=pos.y, z=pos.z-1}
- if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
- remaining_charge = recursive_dig(np, remaining_charge)
- end
+ if not timber_nodenames[node.name] then
+ return remaining_charge
+ end
- np={x=pos.x-1, y=pos.y, z=pos.z}
- if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
- remaining_charge = recursive_dig(np, remaining_charge)
- end
- np={x=pos.x-1, y=pos.y, z=pos.z+1}
- if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
- remaining_charge = recursive_dig(np, remaining_charge)
- end
- np={x=pos.x-1, y=pos.y, z=pos.z-1}
- if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
- remaining_charge = recursive_dig(np, remaining_charge)
- end
+ -- Wood found - cut it
+ handle_drops(minetest.get_node_drops(node.name, ""))
+ minetest.remove_node(pos)
+ remaining_charge = remaining_charge - chainsaw_charge_per_node
- np={x=pos.x, y=pos.y+1, z=pos.z}
- if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
- remaining_charge = recursive_dig(np, remaining_charge)
- end
-
- np={x=pos.x, y=pos.y, z=pos.z+1}
- if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
- remaining_charge = recursive_dig(np, remaining_charge)
- end
- np={x=pos.x, y=pos.y, z=pos.z-1}
- if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
- remaining_charge = recursive_dig(np, remaining_charge)
- end
- return remaining_charge
- end
- -- Nothing sawed down
- return remaining_charge
+ -- Check surroundings and run recursively if any charge left
+ for npos in iterSawTries(pos) do
+ if remaining_charge < chainsaw_charge_per_node then
+ break
+ end
+ if timber_nodenames[minetest.get_node(npos).name] then
+ remaining_charge = recursive_dig(npos, remaining_charge)
+ end
+ end
+ return remaining_charge
end
+-- Function to randomize positions for new node drops
+local function get_drop_pos(pos)
+ local drop_pos = {}
+
+ for i = 0, 8 do
+ -- Randomize position for a new drop
+ drop_pos.x = pos.x + math.random(-3, 3)
+ drop_pos.y = pos.y - 1
+ drop_pos.z = pos.z + math.random(-3, 3)
+
+ -- Move the randomized position upwards until
+ -- the node is air or unloaded.
+ for y = drop_pos.y, drop_pos.y + 5 do
+ drop_pos.y = y
+ local node = minetest.get_node_or_nil(drop_pos)
+
+ if not node then
+ -- If the node is not loaded yet simply drop
+ -- the item at the original digging position.
+ return pos
+ elseif node.name == "air" then
+ -- Add variation to the entity drop position,
+ -- but don't let drops get too close to the edge
+ drop_pos.x = drop_pos.x + (math.random() * 0.8) - 0.5
+ drop_pos.z = drop_pos.z + (math.random() * 0.8) - 0.5
+ return drop_pos
+ end
+ end
+ end
+
+ -- Return the original position if this takes too long
+ return pos
+end
+
+-- Chainsaw entry point
+local function chainsaw_dig(pos, current_charge)
+ -- Start sawing things down
+ local remaining_charge = recursive_dig(pos, current_charge)
+ minetest.sound_play("chainsaw", {pos = pos, gain = 1.0,
+ max_hear_distance = 10})
+
+ -- Now drop items for the player
+ for name, stack in pairs(produced) do
+ -- Drop stacks of stack max or less
+ local count, max = stack:get_count(), stack:get_stack_max()
+ stack:set_count(max)
+ while count > max do
+ minetest.add_item(get_drop_pos(pos), stack)
+ count = count - max
+ end
+ stack:set_count(count)
+ minetest.add_item(get_drop_pos(pos), stack)
+ end
+
+ -- Clean up
+ produced = {}
+
+ return remaining_charge
+end
+
+
+minetest.register_tool("technic:chainsaw", {
+ description = S("Chainsaw"),
+ inventory_image = "technic_chainsaw.png",
+ stack_max = 1,
+ wear_represents = "technic_RE_charge",
+ on_refill = technic.refill_RE_charge,
+ on_use = function(itemstack, user, pointed_thing)
+ if pointed_thing.type ~= "node" then
+ return itemstack
+ end
+
+ local meta = minetest.deserialize(itemstack:get_metadata())
+ if not meta or not meta.charge or
+ meta.charge < chainsaw_charge_per_node then
+ return
+ end
+
+ local name = user:get_player_name()
+ if minetest.is_protected(pointed_thing.under, name) then
+ minetest.record_protection_violation(pointed_thing.under, name)
+ return
+ end
+
+ -- Send current charge to digging function so that the
+ -- chainsaw will stop after digging a number of nodes
+ meta.charge = chainsaw_dig(pointed_thing.under, meta.charge)
+ if not technic.creative_mode then
+ technic.set_RE_wear(itemstack, meta.charge, chainsaw_max_charge)
+ itemstack:set_metadata(minetest.serialize(meta))
+ end
+ return itemstack
+ end,
+})
+
+local mesecons_button = minetest.get_modpath("mesecons_button")
+local trigger = mesecons_button and "mesecons_button:button_off" or "default:mese_crystal_fragment"
+
+minetest.register_craft({
+ output = "technic:chainsaw",
+ recipe = {
+ {"technic:stainless_steel_ingot", trigger, "technic:battery"},
+ {"basic_materials:copper_wire", "basic_materials:motor", "technic:battery"},
+ {"", "", "technic:stainless_steel_ingot"},
+ },
+ replacements = { {"basic_materials:copper_wire", "basic_materials:empty_spool"}, },
+
+})
+
--
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