121 lines
3.6 KiB
Lua
121 lines
3.6 KiB
Lua
--[[
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TechAge
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=======
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Copyright (C) 2019 Joachim Stolberg
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GPL v3
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See LICENSE.txt for more information
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Trowel tool to hide/open cable/pipe/tube nodes
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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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-- used by other tools: dug_node[player_name] = pos
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techage.dug_node = {}
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-- Determine if one node in the surrounding is a hidden tube/cable/pipe
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local function other_hidden_nodes(pos, node_name)
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return M({x=pos.x+1, y=pos.y, z=pos.z}):get_string(node_name) ~= "" or
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M({x=pos.x-1, y=pos.y, z=pos.z}):get_string(node_name) ~= "" or
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M({x=pos.x, y=pos.y+1, z=pos.z}):get_string(node_name) ~= "" or
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M({x=pos.x, y=pos.y-1, z=pos.z}):get_string(node_name) ~= "" or
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M({x=pos.x, y=pos.y, z=pos.z+1}):get_string(node_name) ~= "" or
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M({x=pos.x, y=pos.y, z=pos.z-1}):get_string(node_name) ~= ""
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end
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local function hide_node(pos, node, meta, placer)
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local inv = placer:get_inventory()
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local stack = inv:get_stack("main", 1)
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local taken = stack:take_item(1)
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local ndef = minetest.registered_nodes[taken:get_name()]
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-- test if it is a simple node without logic
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if taken:get_count() == 1
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and ndef
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and not ndef.groups.soil
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and not ndef.after_place_node
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and not ndef.on_construct then
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meta:set_string("techage_hidden_nodename", node.name)
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meta:set_string("techage_hidden_param2", node.param2)
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local param2 = 0
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if ndef.paramtype2 and ndef.paramtype2 == "facedir" then
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param2 = minetest.dir_to_facedir(placer:get_look_dir(), true)
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end
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minetest.swap_node(pos, {name = taken:get_name(), param2 = param2})
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inv:set_stack("main", 1, stack)
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end
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end
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local function open_node(pos, node, meta, placer)
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local name = meta:get_string("techage_hidden_nodename")
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local param2 = meta:get_string("techage_hidden_param2")
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minetest.swap_node(pos, {name = name, param2 = param2})
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meta:set_string("techage_hidden_nodename", "")
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meta:set_string("techage_hidden_param2", "")
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local inv = placer:get_inventory()
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inv:add_item("main", ItemStack(node.name))
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end
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-- Hide or open a node
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local function replace_node(itemstack, placer, pointed_thing)
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if pointed_thing.type == "node" then
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local pos = pointed_thing.under
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local meta = M(pos)
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local node = minetest.get_node(pos)
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if minetest.get_item_group(node.name, "techage_trowel") == 1 then
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hide_node(pos, node, meta, placer)
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elseif meta:get_string("techage_hidden_nodename") ~= "" then
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open_node(pos, node, meta, placer)
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end
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minetest.sound_play("default_dig_snappy", {
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pos = pos,
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gain = 1,
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max_hear_distance = 5})
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end
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end
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minetest.register_node("techage:trowel", {
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description = S("TechAge Trowel"),
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inventory_image = "techage_trowel.png",
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wield_image = "techage_trowel.png",
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use_texture_alpha = true,
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groups = {cracky=1},
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on_use = replace_node,
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on_place = replace_node,
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node_placement_prediction = "",
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stack_max = 1,
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})
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minetest.register_on_dignode(function(pos, oldnode, digger)
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if not digger then return end
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-- If hidden nodes are arround, the removed one was probably
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-- a hidden node, too.
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if other_hidden_nodes(pos, "techage_hidden_nodename") then
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-- test both hidden networks
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techage.ElectricCable:after_dig_node(pos, oldnode, digger)
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techage.BiogasPipe:after_dig_node(pos, oldnode, digger)
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-- probably a hidden node with mem data
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tubelib2.del_mem(pos)
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else
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-- store pos for other tools without own 'register_on_dignode'
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techage.dug_node[digger:get_player_name()] = pos
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end
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end)
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minetest.register_craft({
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output = "techage:trowel",
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recipe = {
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{"basic_materials:steel_bar", "basic_materials:steel_bar", ""},
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{"basic_materials:steel_bar", "default:stick", ""},
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{"", "", "default:stick"},
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},
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})
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