forked from MTSR/techage_modpack
73 lines
1.7 KiB
Lua
73 lines
1.7 KiB
Lua
--[[
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TechAge
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=======
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Copyright (C) 2019 Joachim Stolberg
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AGPL v3
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See LICENSE.txt for more information
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TA3/TA4 Power line Protection
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]]--
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local M = minetest.get_meta
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local S = techage.S
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local RANGE = 8
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local IsNodeUnderObservation = {}
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-- Register all nodes, which should be protected by the "techage:power_pole"
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function techage.register_powerline_node(name)
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IsNodeUnderObservation[name] = true
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end
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local function powerpole_found(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, {
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"techage:power_pole", "techage:power_pole_conn",
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"techage:power_pole2"})) do
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if minetest.get_meta(npos):get_string("owner") ~= name then
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return true
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end
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end
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return false
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end
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local function is_protected(pos, name, range)
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if minetest.check_player_privs(name, "powerline")
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or not powerpole_found(pos, name, range) then
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return false
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end
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return true
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end
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function techage.is_protected(pos, name)
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return is_protected(pos, name, RANGE+3)
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end
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local old_is_protected = minetest.is_protected
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function minetest.is_protected(pos, name)
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local node = techage.get_node_lvm(pos)
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if IsNodeUnderObservation[node.name] and is_protected(pos, name, RANGE) then
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return true
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end
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return old_is_protected(pos, name)
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end
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minetest.register_privilege("powerline", {
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description = S("Allow to dig/place Techage power lines nearby power poles"),
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give_to_singleplayer = false,
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give_to_admin = true,
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})
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techage.register_powerline_node("techage:power_line")
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techage.register_powerline_node("techage:power_lineS")
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techage.register_powerline_node("techage:power_lineA")
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techage.register_powerline_node("techage:power_pole3")
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