56 lines
2.4 KiB
Lua
56 lines
2.4 KiB
Lua
-- Adds event handler for attempt to dig in protected area
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-- Tries to activate specially configured nearby distributor at points with coordinates of form 20 * i
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-- Registers dig attempts in radius 10 around
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-- Distributor must have first target filter set to 0 (disabled) to handle dig events
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local machines_TTL = basic_machines.properties.machines_TTL
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local old_is_protected = minetest.is_protected
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local round = math.floor
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function minetest.is_protected(pos, digger)
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local is_protected = old_is_protected(pos, digger)
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if is_protected then -- only if protected
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local r = 20
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local p = {x = round(pos.x / r + 0.5) * r, y = round(pos.y / r + 0.5) * r + 1, z = round(pos.z / r + 0.5) * r}
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-- attempt to activate distributor at special grid location: coordinates of the form 20 * i
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if minetest.get_node(p).name == "basic_machines:distributor" then
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local meta = minetest.get_meta(p)
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if meta:get_int("active1") == 0 then -- first output is disabled, indicating ready to be used as event handler
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if meta:get_int("x1") ~= 0 then -- trigger protection event
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meta:set_string("infotext", digger) -- record digger name
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local def = minetest.registered_nodes["basic_machines:distributor"]
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local effector = def.effector
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effector.action_on(p, machines_TTL)
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end
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end
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end
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end
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return is_protected
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end
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local function distributor(name, message)
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local player = minetest.get_player_by_name(name); if not player then return end
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local pos, r = player:get_pos(), 20
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local p = {x = round(pos.x / r + 0.5) * r, y = round(pos.y / r + 0.5) * r + 1, z = round(pos.z / r + 0.5) * r}
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-- attempt to activate distributor at special grid location: coordinates of the form 20 * i
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if minetest.get_node(p).name == "basic_machines:distributor" then
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local meta = minetest.get_meta(p)
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if meta:get_int("active1") == 0 then -- first output is disabled, indicating ready to be used as event handler
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local y1 = meta:get_int("y1")
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if y1 ~= 0 then -- chat event, positive relays message, negative drops it
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meta:set_string("infotext", message) -- record player message
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local def = minetest.registered_nodes["basic_machines:distributor"]
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local effector = def.effector
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effector.action_on(p, machines_TTL)
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if y1 < 0 then return true end
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end
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end
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end
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end
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if minetest.global_exists("beerchat") then
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beerchat.register_on_chat_message(distributor)
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else
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minetest.register_on_chat_message(distributor)
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end |