292 lines
8.1 KiB
Lua
292 lines
8.1 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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GPL v3
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See LICENSE.txt for more information
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Forceload block
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]]--
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-- for lazy programmers
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local M = minetest.get_meta
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local P2S = function(pos) if pos then return minetest.pos_to_string(pos) end end
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local S = techage.S
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local function calc_area(pos)
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local xpos = (math.floor(pos.x / 16) * 16)
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local ypos = (math.floor(pos.y / 16) * 16)
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local zpos = (math.floor(pos.z / 16) * 16)
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local pos1 = {x=xpos, y=ypos, z=zpos}
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local pos2 = {x=xpos+15, y=ypos+15, z=zpos+15}
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return pos1, pos2
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end
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local function in_list(list, x)
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local pos1 = calc_area(x)
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for _,v in ipairs(list) do
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local pos2 = calc_area(v)
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if vector.equals(pos1, pos2) then return true end
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end
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return false
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end
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local function remove_list_elem(list, x)
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local n = nil
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for idx, v in ipairs(list) do
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if vector.equals(v, x) then
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n = idx
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break
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end
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end
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if n then
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table.remove(list, n)
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end
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return list
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end
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local function chat(player, text)
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minetest.chat_send_player(player:get_player_name(), "[Techage] "..text)
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end
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local function add_pos(pos, player)
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local lPos = minetest.deserialize(player:get_attribute("techage_forceload_blocks")) or {}
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if not in_list(lPos, pos) and (#lPos < techage.max_num_forceload_blocks or
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creative and creative.is_enabled_for and
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creative.is_enabled_for(player:get_player_name())) then
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lPos[#lPos+1] = pos
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player:set_attribute("techage_forceload_blocks", minetest.serialize(lPos))
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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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local function del_pos(pos, player)
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local lPos = minetest.deserialize(player:get_attribute("techage_forceload_blocks")) or {}
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lPos = remove_list_elem(lPos, pos)
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player:set_attribute("techage_forceload_blocks", minetest.serialize(lPos))
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end
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local function get_pos_list(player)
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return minetest.deserialize(player:get_attribute("techage_forceload_blocks")) or {}
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end
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local function set_pos_list(player, lPos)
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player:set_attribute("techage_forceload_blocks", minetest.serialize(lPos))
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end
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local function shoe_flbs(pos, name, range)
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local pos1 = {x=pos.x-range, y=pos.y-range, z=pos.z-range}
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local pos2 = {x=pos.x+range, y=pos.y+range, z=pos.z+range}
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for _,npos in ipairs(minetest.find_nodes_in_area(pos1, pos2, {"techage:forceload", "techage:forceloadtile"})) do
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local _pos1, _pos2 = calc_area(npos)
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local owner = M(npos):get_string("owner")
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techage.mark_region(name, _pos1, _pos2, owner)
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end
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end
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local function get_data(pos, player)
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local pos1, pos2 = calc_area(pos)
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local num = #minetest.deserialize(player:get_attribute("techage_forceload_blocks")) or 0
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local max = techage.max_num_forceload_blocks
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return pos1, pos2, num, max
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end
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local function formspec(name)
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local player = minetest.get_player_by_name(name)
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if player then
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local lPos = get_pos_list(player)
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local tRes = {}
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for idx,pos in ipairs(lPos) do
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local pos1, pos2 = calc_area(pos)
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local ypos = 0.2 + idx * 0.4
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tRes[#tRes+1] = idx
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tRes[#tRes+1] = minetest.formspec_escape(P2S(pos1))
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tRes[#tRes+1] = "to"
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tRes[#tRes+1] = minetest.formspec_escape(P2S(pos2))
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end
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return "size[7,9]"..
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default.gui_bg..
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default.gui_bg_img..
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default.gui_slots..
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"label[0,0;"..S("List of your Forceload Blocks:").."]"..
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"tablecolumns[text,width=1.2;text,width=12;text,width=1.6;text,width=12]"..
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"table[0,0.6;6.8,8.4;output;"..table.concat(tRes, ",")..";1]"
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end
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end
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local function on_place(itemstack, placer, 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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return minetest.rotate_and_place(itemstack, placer, pointed_thing)
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end
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local function after_place_node(pos, placer, itemstack)
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if add_pos(pos, placer) then
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minetest.forceload_block(pos, true)
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local pos1, pos2, num, max = get_data(pos, placer)
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M(pos):set_string("infotext", "Area "..P2S(pos1).." to "..P2S(pos2).." "..S("loaded").."!\n"..
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S("Punch the block to make the area visible."))
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chat(placer, "Area ("..num.."/"..max..") "..P2S(pos1).." to "..P2S(pos2).." "..S("loaded").."!")
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techage.mark_region(placer:get_player_name(), pos1, pos2)
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M(pos):set_string("owner", placer:get_player_name())
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else
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chat(placer, S("Area already loaded or max. number of Forceload Blocks reached!"))
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minetest.remove_node(pos)
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return itemstack
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end
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end
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local function after_dig_node(pos, oldnode, oldmetadata, digger)
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local player = minetest.get_player_by_name(oldmetadata.fields.owner)
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if player then
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del_pos(pos, player)
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end
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minetest.forceload_free_block(pos, true)
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techage.unmark_region(oldmetadata.fields.owner)
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end
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local function on_rightclick(pos, node, clicker, itemstack, pointed_thing)
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local owner = M(pos):get_string("owner")
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local name = clicker:get_player_name()
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if name == owner or minetest.check_player_privs(name, "server") then
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local s = formspec(owner)
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if s then
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minetest.show_formspec(owner, "techage:forceload", s)
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end
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end
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end
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local function on_punch(pos, node, puncher, pointed_thing)
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local pos1, pos2 = calc_area(pos)
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techage.switch_region(puncher:get_player_name(), pos1, pos2)
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end
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minetest.register_node("techage:forceload", {
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description = S("Techage Forceload Block"),
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tiles = {
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-- up, down, right, left, back, front
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'techage_filling_ta2.png^techage_frame_ta2_top.png',
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'techage_filling_ta2.png^techage_frame_ta2_top.png',
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{
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image = "techage_filling_ta2.png^techage_frame_ta2_top.png^techage_appl_forceload.png",
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backface_culling = false,
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animation = {
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type = "vertical_frames",
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aspect_w = 32,
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aspect_h = 32,
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length = 0.5,
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},
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},
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},
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after_place_node = after_place_node,
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after_dig_node = after_dig_node,
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on_rightclick = on_rightclick,
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on_punch = on_punch,
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paramtype = "light",
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sunlight_propagates = true,
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groups = {choppy=2, cracky=2, crumbly=2,
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not_in_creative_inventory = techage.max_num_forceload_blocks == 0 and 1 or 0},
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is_ground_content = false,
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sounds = default.node_sound_wood_defaults(),
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})
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minetest.register_node("techage:forceloadtile", {
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description = S("Techage Forceload Tile"),
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tiles = {
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-- up, down, right, left, back, front
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{
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image = "techage_filling_ta2.png^techage_frame_ta2_top.png^techage_appl_forceload.png",
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backface_culling = false,
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animation = {
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type = "vertical_frames",
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aspect_w = 32,
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aspect_h = 32,
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length = 0.5,
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},
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},
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},
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = {
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--{-5/16, -7/16, -5/16, 5/16, -5/16, 5/16},
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{-4/16, -8/16, -4/16, 4/16, -15/32, 4/16},
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},
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},
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on_place = on_place,
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after_place_node = after_place_node,
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after_dig_node = after_dig_node,
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on_rightclick = on_rightclick,
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on_punch = on_punch,
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paramtype = "light",
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paramtype2 = "facedir",
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sunlight_propagates = true,
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groups = {choppy=2, cracky=2, crumbly=2,
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not_in_creative_inventory = techage.max_num_forceload_blocks == 0 and 1 or 0},
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is_ground_content = false,
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sounds = default.node_sound_wood_defaults(),
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})
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if techage.max_num_forceload_blocks > 0 then
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minetest.register_craft({
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output = "techage:forceload",
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recipe = {
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{"group:wood", "", "group:wood"},
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{"default:mese_crystal_fragment", "techage:usmium_nuggets", "default:mese_crystal_fragment"},
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{"group:wood", "techage:iron_ingot", "group:wood"},
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},
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})
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minetest.register_craft({
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type = "shapeless",
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output = "techage:forceloadtile",
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recipe = {"techage:forceload"},
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})
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end
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minetest.register_on_joinplayer(function(player)
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local lPos = {}
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for _,pos in ipairs(get_pos_list(player)) do
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local node = techage.get_node_lvm(pos)
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if node.name == "techage:forceload" then
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minetest.forceload_block(pos, true)
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lPos[#lPos+1] = pos
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end
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end
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set_pos_list(player, lPos)
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end)
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minetest.register_on_leaveplayer(function(player)
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for _,pos in ipairs(get_pos_list(player)) do
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minetest.forceload_free_block(pos, true)
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end
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end)
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minetest.register_chatcommand("forceload", {
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params = "",
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description = S("Show all forceload blocks in a 64x64x64 range"),
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func = function(name, param)
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if minetest.check_player_privs(name, "superminer") then
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local player = minetest.get_player_by_name(name)
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if player then
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local pos = player:get_pos()
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pos = vector.round(pos)
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shoe_flbs(pos, name, 64)
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end
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else
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return false, S("Priv missing")
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end
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end,
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})
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