forked from thunderdog1138/star_wars
Delete 'mods/mobs/spawner.lua'
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local S = mobs.intllib
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-- mob spawner
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local spawner_default = "mobs_animal:pumba 10 15 0 0 0"
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minetest.register_node("mobs:spawner", {
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tiles = {"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 = S("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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-- setup formspec
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local head = S("(mob name) (min light) (max light) (amount)"
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.. " (player distance) (Y offset)")
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-- text entry formspec
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meta:set_string("formspec",
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"size[9,3.5]"
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.. "label[0.15,0.5;" .. minetest.formspec_escape(head) .. "]"
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.. "field[1,2.5;7.5,0.8;text;" .. S("Command:")
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.. ";${command}]")
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meta:set_string("infotext", S("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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if minetest.is_protected(pos, placer:get_player_name()) then
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return
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end
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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] -- mob to spawn
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local mlig = tonumber(comm[2]) -- min light
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local xlig = tonumber(comm[3]) -- max light
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local num = tonumber(comm[4]) -- total mobs in area
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local pla = tonumber(comm[5]) -- player distance (0 to disable)
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local yof = tonumber(comm[6]) or 0 -- Y offset to spawn mob
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if mob and mob ~= "" and mobs.spawning_mobs[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
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and pla and pla >= 0 and pla <= 20
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and yof and yof > -10 and yof < 10 then
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meta:set_string("command", fields.text)
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meta:set_string("infotext", S("Spawner Active (@1)", mob))
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else
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minetest.chat_send_player(name, S("Mob Spawner settings failed!"))
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minetest.chat_send_player(name,
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S("Syntax: “name min_light[0-14] max_light[0-14] max_mobs_in_area[0 to disable] player_distance[1-20] y_offset[-10 to 10]”"))
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end
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end
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})
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local max_per_block = tonumber(minetest.settings:get("max_objects_per_block") or 99)
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-- spawner abm
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minetest.register_abm({
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label = "Mob spawner node",
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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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-- return if too many entities already
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if active_object_count_wider >= max_per_block then
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return
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end
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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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local pla = tonumber(comm[5]) or 0
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local yof = tonumber(comm[6]) or 0
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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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-- are we spawning a registered mob?
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if not mobs.spawning_mobs[mob] then
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--print ("--- mob doesn't exist", mob)
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return
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end
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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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local count = 0
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local ent
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-- count mob objects of same type in area
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for _, obj in ipairs(objs) do
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ent = obj:get_luaentity()
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if ent and ent.name 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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-- spawn mob if player detected and in range
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if pla > 0 then
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local in_range = 0
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local objsp = minetest.get_objects_inside_radius(pos, pla)
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for _, oir in pairs(objsp) do
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if oir:is_player() then
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in_range = 1
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break
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end
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end
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-- player not found
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if in_range == 0 then
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return
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end
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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 + yof, z = pos.z - 5},
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{x = pos.x + 5, y = pos.y + yof, z = pos.z + 5}, {"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) or 0
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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 >= mlig and lig <= xlig
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and minetest.registered_entities[mob] 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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