243 lines
6.8 KiB
Lua
243 lines
6.8 KiB
Lua
--[[
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TechAge
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=======
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Copyright (C) 2019-2020 Joachim Stolberg
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AGPL v3
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See LICENSE.txt for more information
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Assemble routines
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]]--
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-- for lazy programmers
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local P = minetest.string_to_pos
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local M = minetest.get_meta
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local S = techage.S
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techage.assemble = {}
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local Face2Dir = {[0]=
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{x=0, y=0, z=1},
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{x=1, y=0, z=0},
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{x=0, y=0, z=-1},
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{x=-1, y=0, z=0},
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{x=0, y=-1, z=0},
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{x=0, y=1, z=0}
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}
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-- Determine the destination position based on the base position,
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-- param2, and a route table like : {0,3}
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-- 0 = forward, 1 = right, 2 = backward, 3 = left
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local function dest_pos(pos, param2, route, y_offs)
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local p2 = param2
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local pos1 = {x=pos.x, y=pos.y+y_offs, z=pos.z}
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for _,dir in ipairs(route) do
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p2 = (param2 + dir) % 4
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pos1 = vector.add(pos1, Face2Dir[p2])
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end
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return pos1, p2
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end
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-- timer based function
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local function build(pos, param2, AssemblyPlan, idx)
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local item = AssemblyPlan[idx]
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if item ~= nil then
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local y, path, fd_offs, node_name = item[1], item[2], item[3], item[4]
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local pos1 = dest_pos(pos, param2, path, y)
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minetest.add_node(pos1, {name=node_name, param2=(param2 + fd_offs) % 4})
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minetest.after(0.5, build, pos, param2, AssemblyPlan, idx+1)
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else
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local nvm = techage.get_nvm(pos)
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nvm.assemble_locked = false
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end
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end
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-- timer based function
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local function remove(pos, param2, AssemblyPlan, idx)
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local item = AssemblyPlan[idx]
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if item ~= nil then
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local y, path = item[1], item[2]
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local pos1 = dest_pos(pos, param2, path, y)
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minetest.remove_node(pos1)
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minetest.after(0.5, remove, pos, param2, AssemblyPlan, idx-1)
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else
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local nvm = techage.get_nvm(pos)
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nvm.assemble_locked = false
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end
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end
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local function check_space(pos, param2, AssemblyPlan, player_name)
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for _,item in ipairs(AssemblyPlan) do
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local y, path, node_name = item[1], item[2], item[4]
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local pos1 = dest_pos(pos, param2, path, y)
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if minetest.is_protected(pos1, player_name) then
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minetest.chat_send_player(player_name, S("[TA] Area is protected!"))
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return false
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end
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local node = techage.get_node_lvm(pos1)
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local ndef = minetest.registered_nodes[node.name]
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if not ndef or not ndef.buildable_to and node.name ~= node_name then
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minetest.chat_send_player(player_name, S("[TA] Not enough space!"))
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return false
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end
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end
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return true
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end
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-- Two important flags:
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-- 1) nvm.assemble_locked is true while the object is being assembled/disassembled
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-- 2) nvm.assemble_build is true if the object is assembled
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function techage.assemble.build(pos, AssemblyPlan, player_name)
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-- check protection
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if minetest.is_protected(pos, player_name) then
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return
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end
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local nvm = techage.get_nvm(pos)
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if nvm.assemble_locked then
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return
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end
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local node = minetest.get_node(pos)
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if check_space(pos, node.param2, AssemblyPlan, player_name) then
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nvm.assemble_locked = true
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build(pos, node.param2, AssemblyPlan, 1)
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nvm.assemble_build = true
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end
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end
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function techage.assemble.remove(pos, AssemblyPlan, player_name)
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-- check protection
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if minetest.is_protected(pos, player_name) then
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return
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end
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local nvm = techage.get_nvm(pos)
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if nvm.assemble_locked then
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return
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end
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local node = minetest.get_node(pos)
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nvm.assemble_locked = true
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remove(pos, node.param2, AssemblyPlan, #AssemblyPlan)
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nvm.assemble_build = false
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end
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--------------------------------------------------------------------------------
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-- Assembly functions based on nodes from node inventory
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--------------------------------------------------------------------------------
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local function play_sound(pos, sound)
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minetest.sound_play(sound, {
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pos = pos,
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gain = 1,
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max_hear_distance = 10,
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})
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end
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local function build_inv(pos, inv, param2, AssemblyPlan, player_name, idx)
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local item = AssemblyPlan[idx]
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if item ~= nil then
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local y, path, fd_offs, node_name = item[1], item[2], item[3], item[4]
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local pos1 = dest_pos(pos, param2, path, y)
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if not minetest.is_protected(pos1, player_name) then
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local node = minetest.get_node(pos1)
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if techage.is_air_like(node.name) then
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local stack = inv:remove_item("src", ItemStack(node_name))
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if stack:get_count() == 1 then
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minetest.add_node(pos1, {name=node_name, param2=(param2 + fd_offs) % 4})
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play_sound(pos, "default_place_node_hard")
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local ndef = minetest.registered_nodes[node_name]
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if ndef and ndef.after_place_node then
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local placer = minetest.get_player_by_name(player_name)
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ndef.after_place_node(pos1, placer, ItemStack(node_name))
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end
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end
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end
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end
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minetest.after(0.5, build_inv, pos, inv, param2, AssemblyPlan, player_name, idx + 1)
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else
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local nvm = techage.get_nvm(pos)
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nvm.assemble_locked = false
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end
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end
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local function remove_inv(pos, inv, param2, AssemblyPlan, player_name, idx)
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local item = AssemblyPlan[idx]
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if item ~= nil then
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local y, path, fd_offs, node_name = item[1], item[2], item[3], item[4]
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local pos1 = dest_pos(pos, param2, path, y)
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if not minetest.is_protected(pos1, player_name) then
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local stack = ItemStack(node_name)
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if inv:room_for_item("src", stack) then
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local node = minetest.get_node(pos1)
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if node.name == node_name then
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local meta = M(pos1):to_table()
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minetest.remove_node(pos1)
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inv:add_item("src", stack)
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play_sound(pos, "default_dig_cracky")
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local ndef = minetest.registered_nodes[node_name]
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if ndef and ndef.after_dig_node then
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local digger = minetest.get_player_by_name(player_name)
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ndef.after_dig_node(pos1, node, meta, digger)
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end
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end
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end
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end
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minetest.after(0.5, remove_inv, pos, inv, param2, AssemblyPlan, player_name, idx - 1)
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else
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local nvm = techage.get_nvm(pos)
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nvm.assemble_locked = false
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end
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end
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function techage.assemble.build_inv(pos, inv, AssemblyPlan, player_name)
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-- check protection
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if minetest.is_protected(pos, player_name) then
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return
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end
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local nvm = techage.get_nvm(pos)
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if nvm.assemble_locked then
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return
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end
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local node = minetest.get_node(pos)
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nvm.assemble_locked = true
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build_inv(pos, inv, node.param2, AssemblyPlan, player_name, 1)
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end
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function techage.assemble.remove_inv(pos, inv, AssemblyPlan, player_name)
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-- check protection
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if minetest.is_protected(pos, player_name) then
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return
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end
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local nvm = techage.get_nvm(pos)
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if nvm.assemble_locked then
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return
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end
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local node = minetest.get_node(pos)
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nvm.assemble_locked = true
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remove_inv(pos, inv, node.param2, AssemblyPlan, player_name, #AssemblyPlan)
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end
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function techage.assemble.count_items(AssemblyPlan)
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local t = {}
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for _, item in ipairs(AssemblyPlan) do
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local node_name = item[4]
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local ndef = minetest.registered_nodes[node_name]
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local name = ndef.description
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if not t[name] then
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t[name] = 1
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else
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t[name] = t[name] + 1
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end
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end
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return t
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end
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-- Determine the destination position based on the given route
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-- param2, and a route table like : {0,3}
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-- 0 = forward, 1 = right, 2 = backward, 3 = left
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-- techage.assemble.get_pos(pos, param2, route, y_offs)
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techage.assemble.get_pos = dest_pos
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