mirror of
https://github.com/sys4-fr/server-nalc.git
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128 lines
2.9 KiB
Lua
Executable File
128 lines
2.9 KiB
Lua
Executable File
-- mob spawner
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local spawner_default = "mobs:pig 10 15 0"
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minetest.register_node("mobs:spawner", {
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tiles = {"mob_spawner.png"},
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drawtype = "glasslike",
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paramtype = "light",
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walkable = true,
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description = "Mob Spawner",
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groups = {cracky = 1},
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on_construct = function(pos)
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local meta = minetest.get_meta(pos)
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-- text entry formspec
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meta:set_string("formspec", "field[text;mob_name min_light max_light amount;${command}]")
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meta:set_string("infotext", "Spawner Not Active (enter settings)")
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meta:set_string("command", spawner_default)
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end,
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on_right_click = function(pos, placer)
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local meta = minetest.get_meta(pos)
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end,
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on_receive_fields = function(pos, formname, fields, sender)
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if not fields.text or fields.text == "" then
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return
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end
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local meta = minetest.get_meta(pos)
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local comm = fields.text:split(" ")
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local name = sender:get_player_name()
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if minetest.is_protected(pos, name) then
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minetest.record_protection_violation(pos, name)
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return
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end
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local mob = comm[1]
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local mlig = tonumber(comm[2])
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local xlig = tonumber(comm[3])
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local num = tonumber(comm[4])
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if mob and mob ~= ""
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and num and num >= 0 and num <= 10
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and mlig and mlig >= 0 and mlig <= 15
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and xlig and xlig >= 0 and xlig <= 15 then
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meta:set_string("command", fields.text)
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meta:set_string("infotext", "Spawner Active (" .. mob .. ")")
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else
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minetest.chat_send_player(name, "Mob Spawner settings failed!")
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end
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end,
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})
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-- spawner abm
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minetest.register_abm({
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nodenames = {"mobs:spawner"},
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interval = 10,
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chance = 4,
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catch_up = false,
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action = function(pos, node, active_object_count, active_object_count_wider)
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-- check objects inside 9x9 area around spawner
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local objs = minetest.get_objects_inside_radius(pos, 9)
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-- get meta and command
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local meta = minetest.get_meta(pos)
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local comm = meta:get_string("command"):split(" ")
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-- get settings from command
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local mob = comm[1]
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local mlig = tonumber(comm[2])
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local xlig = tonumber(comm[3])
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local num = tonumber(comm[4])
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-- if amount is 0 then do nothing
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if num == 0 then
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return
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end
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local count = 0
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local ent = nil
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-- count objects of same type in area
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for k, obj in pairs(objs) do
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ent = obj:get_luaentity()
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if ent and ent.name == mob then
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count = count + 1
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end
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end
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-- is there too many of same type?
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if count >= num then
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return
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end
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-- find air blocks within 5 nodes of spawner
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local air = minetest.find_nodes_in_area(
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{x = pos.x - 5, y = pos.y, z = pos.z - 5},
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{x = pos.x + 5, y = pos.y, z = pos.z + 5},
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{"air"})
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-- spawn in random air block
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if air and #air > 0 then
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local pos2 = air[math.random(#air)]
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local lig = minetest.get_node_light(pos2)
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pos2.y = pos2.y + 0.5
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-- only if light levels are within range
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if lig and lig >= mlig and lig <= xlig then
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minetest.add_entity(pos2, mob)
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end
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end
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end
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})
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