forked from VoxeLibre/VoxeLibre
708 lines
19 KiB
Lua
708 lines
19 KiB
Lua
--lua locals
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local get_node = minetest.get_node
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local get_item_group = minetest.get_item_group
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local get_node_light = minetest.get_node_light
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local find_nodes_in_area_under_air = minetest.find_nodes_in_area_under_air
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local get_biome_name = minetest.get_biome_name
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local get_objects_inside_radius = minetest.get_objects_inside_radius
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local math_random = math.random
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local math_floor = math.floor
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local max = math.max
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local vector_distance = vector.distance
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local vector_new = vector.new
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local vector_floor = vector.floor
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local table_copy = table.copy
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local table_remove = table.remove
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-- range for mob count
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local aoc_range = 48
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--do mobs spawn?
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local mobs_spawn = minetest.settings:get_bool("mobs_spawn", true) ~= false
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--[[
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THIS IS THE BIG LIST OF ALL BIOMES - used for programming/updating mobs
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underground:
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"FlowerForest_underground",
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"JungleEdge_underground",local spawning_position = spawning_position_list[math.random(1,#spawning_position_list)]
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"ColdTaiga_underground",
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"IcePlains_underground",
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"IcePlainsSpikes_underground",
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"MegaTaiga_underground",
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"Taiga_underground",
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"ExtremeHills+_underground",
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"JungleM_underground",
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"ExtremeHillsM_underground",
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"JungleEdgeM_underground",
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ocean:
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"RoofedForest_ocean",
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"JungleEdgeM_ocean",
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"BirchForestM_ocean",
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"BirchForest_ocean",
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"IcePlains_deep_ocean",
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"Jungle_deep_ocean",
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"Savanna_ocean",
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"MesaPlateauF_ocean",
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"ExtremeHillsM_deep_ocean",
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"Savanna_deep_ocean",
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"SunflowerPlains_ocean",
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"Swampland_deep_ocean",
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"Swampland_ocean",
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"MegaSpruceTaiga_deep_ocean",
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"ExtremeHillsM_ocean",
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"JungleEdgeM_deep_ocean",
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"SunflowerPlains_deep_ocean",
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"BirchForest_deep_ocean",
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"IcePlainsSpikes_ocean",
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"Mesa_ocean",
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"StoneBeach_ocean",
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"Plains_deep_ocean",
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"JungleEdge_deep_ocean",
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"SavannaM_deep_ocean",
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"Desert_deep_ocean",
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"Mesa_deep_ocean",
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"ColdTaiga_deep_ocean",
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"Plains_ocean",
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"MesaPlateauFM_ocean",
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"Forest_deep_ocean",
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"JungleM_deep_ocean",
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"FlowerForest_deep_ocean",
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"MushroomIsland_ocean",
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"MegaTaiga_ocean",
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"StoneBeach_deep_ocean",
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"IcePlainsSpikes_deep_ocean",
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"ColdTaiga_ocean",
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"SavannaM_ocean",
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"MesaPlateauF_deep_ocean",
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"MesaBryce_deep_ocean",
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"ExtremeHills+_deep_ocean",
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"ExtremeHills_ocean",
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"MushroomIsland_deep_ocean",
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"Forest_ocean",
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"MegaTaiga_deep_ocean",
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"JungleEdge_ocean",
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"MesaBryce_ocean",
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"MegaSpruceTaiga_ocean",
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"ExtremeHills+_ocean",
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"Jungle_ocean",
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"RoofedForest_deep_ocean",
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"IcePlains_ocean",
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"FlowerForest_ocean",
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"ExtremeHills_deep_ocean",
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"MesaPlateauFM_deep_ocean",
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"Desert_ocean",
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"Taiga_ocean",
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"BirchForestM_deep_ocean",
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"Taiga_deep_ocean",
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"JungleM_ocean",
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water or beach?
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"MesaPlateauFM_sandlevel",
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"MesaPlateauF_sandlevel",
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"MesaBryce_sandlevel",
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"Mesa_sandlevel",
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beach:
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"FlowerForest_beach",
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"Forest_beach",
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"StoneBeach",
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"ColdTaiga_beach_water",
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"Taiga_beach",
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"Savanna_beach",
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"Plains_beach",
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"ExtremeHills_beach",
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"ColdTaiga_beach",
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"Swampland_shore",
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"MushroomIslandShore",
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"JungleM_shore",
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"Jungle_shore",
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dimension biome:
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"Nether",
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"End",
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Overworld regular:
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"Mesa",
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"FlowerForest",
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"Swampland",
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"Taiga",
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"ExtremeHills",
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"Jungle",
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"Savanna",
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"BirchForest",
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"MegaSpruceTaiga",
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"MegaTaiga",
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"ExtremeHills+",
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"Forest",
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"Plains",
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"Desert",
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"ColdTaiga",
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"MushroomIsland",
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"IcePlainsSpikes",
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"SunflowerPlains",
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"IcePlains",
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"RoofedForest",
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"ExtremeHills+_snowtop",
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"MesaPlateauFM_grasstop",
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"JungleEdgeM",
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"ExtremeHillsM",
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"JungleM",
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"BirchForestM",
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"MesaPlateauF",
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"MesaPlateauFM",
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"MesaPlateauF_grasstop",
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"MesaBryce",
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"JungleEdge",
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"SavannaM",
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]]--
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-- count how many mobs are in an area
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local count_mobs = function(pos)
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local num = 0
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for _,object in pairs(get_objects_inside_radius(pos, aoc_range)) do
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if object and object:get_luaentity() and object:get_luaentity()._cmi_is_mob then
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num = num + 1
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end
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end
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return num
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end
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-- global functions
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function mobs:spawn_abm_check(pos, node, name)
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-- global function to add additional spawn checks
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-- return true to stop spawning mob
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end
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--[[
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Custom elements changed:
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name:
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the mobs name
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dimension:
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"overworld"
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"nether"
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"end"
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types of spawning:
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"water"
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"ground"
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"lava"
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biomes: tells the spawner to allow certain mobs to spawn in certain biomes
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{"this", "that", "grasslands", "whatever"}
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what is aoc??? objects in area
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WARNING: BIOME INTEGRATION NEEDED -> How to get biome through lua??
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]]--
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--this is where all of the spawning information is kept
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local spawn_dictionary = {}
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function mobs:spawn_specific(name, dimension, type_of_spawning, biomes, min_light, max_light, interval, chance, aoc, min_height, max_height, day_toggle, on_spawn)
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--print(dump(biomes))
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-- Do mobs spawn at all?
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if not mobs_spawn then
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return
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end
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-- chance/spawn number override in minetest.conf for registered mob
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local numbers = minetest.settings:get(name)
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if numbers then
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numbers = numbers:split(",")
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chance = tonumber(numbers[1]) or chance
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aoc = tonumber(numbers[2]) or aoc
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if chance == 0 then
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minetest.log("warning", string.format("[mobs] %s has spawning disabled", name))
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return
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end
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minetest.log("action",
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string.format("[mobs] Chance setting for %s changed to %s (total: %s)", name, chance, aoc))
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end
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--[[
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local spawn_action
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spawn_action = function(pos, node, active_object_count, active_object_count_wider, name)
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local orig_pos = table.copy(pos)
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-- is mob actually registered?
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if not mobs.spawning_mobs[name]
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or not minetest.registered_entities[name] then
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minetest.log("warning", "Mob spawn of "..name.." failed, unknown entity or mob is not registered for spawning!")
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return
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end
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-- additional custom checks for spawning mob
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if mobs:spawn_abm_check(pos, node, name) == true then
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, ABM check rejected!")
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return
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end
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-- count nearby mobs in same spawn class
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local entdef = minetest.registered_entities[name]
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local spawn_class = entdef and entdef.spawn_class
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if not spawn_class then
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if entdef.type == "monster" then
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spawn_class = "hostile"
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else
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spawn_class = "passive"
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end
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end
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local in_class_cap = count_mobs(pos, "!"..spawn_class) < MOB_CAP[spawn_class]
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-- do not spawn if too many of same mob in area
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if active_object_count_wider >= max_per_block -- large-range mob cap
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or (not in_class_cap) -- spawn class mob cap
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or count_mobs(pos, name) >= aoc then -- per-mob mob cap
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-- too many entities
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, too crowded!")
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return
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end
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-- if toggle set to nil then ignore day/night check
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if day_toggle ~= nil then
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local tod = (minetest.get_timeofday() or 0) * 24000
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if tod > 4500 and tod < 19500 then
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-- daylight, but mob wants night
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if day_toggle == false then
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-- mob needs night
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, mob needs light!")
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return
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end
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else
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-- night time but mob wants day
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if day_toggle == true then
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-- mob needs day
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, mob needs daylight!")
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return
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end
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end
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end
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-- spawn above node
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pos.y = pos.y + 1
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-- only spawn away from player
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local objs = minetest.get_objects_inside_radius(pos, 24)
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for n = 1, #objs do
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if objs[n]:is_player() then
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-- player too close
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, player too close!")
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return
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end
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end
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-- mobs cannot spawn in protected areas when enabled
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if not spawn_protected
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and minetest.is_protected(pos, "") then
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, position is protected!")
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return
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end
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-- are we spawning within height limits?
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if pos.y > max_height
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or pos.y < min_height then
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, out of height limit!")
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return
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end
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-- are light levels ok?
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local light = minetest.get_node_light(pos)
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if not light
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or light > max_light
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or light < min_light then
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, bad light!")
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return
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end
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-- do we have enough space to spawn mob?
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local ent = minetest.registered_entities[name]
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local width_x = max(1, math.ceil(ent.collisionbox[4] - ent.collisionbox[1]))
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local min_x, max_x
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if width_x % 2 == 0 then
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max_x = math.floor(width_x/2)
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min_x = -(max_x-1)
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else
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max_x = math.floor(width_x/2)
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min_x = -max_x
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end
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local width_z = max(1, math.ceil(ent.collisionbox[6] - ent.collisionbox[3]))
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local min_z, max_z
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if width_z % 2 == 0 then
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max_z = math.floor(width_z/2)
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min_z = -(max_z-1)
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else
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max_z = math.floor(width_z/2)
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min_z = -max_z
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end
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local max_y = max(0, math.ceil(ent.collisionbox[5] - ent.collisionbox[2]) - 1)
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for y = 0, max_y do
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for x = min_x, max_x do
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for z = min_z, max_z do
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local pos2 = {x = pos.x+x, y = pos.y+y, z = pos.z+z}
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if minetest.registered_nodes[node_ok(pos2).name].walkable == true then
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-- inside block
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minetest.log("info", "Mob spawn of "..name.." at "..minetest.pos_to_string(pos).." failed, too little space!")
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if ent.spawn_small_alternative ~= nil and (not minetest.registered_nodes[node_ok(pos).name].walkable) then
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minetest.log("info", "Trying to spawn smaller alternative mob: "..ent.spawn_small_alternative)
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spawn_action(orig_pos, node, active_object_count, active_object_count_wider, ent.spawn_small_alternative)
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end
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return
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end
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end
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end
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end
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-- tweak X/Y/Z spawn pos
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if width_x % 2 == 0 then
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pos.x = pos.x + 0.5
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end
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if width_z % 2 == 0 then
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pos.z = pos.z + 0.5
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end
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pos.y = pos.y - 0.5
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local mob = minetest.add_entity(pos, name)
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minetest.log("action", "Mob spawned: "..name.." at "..minetest.pos_to_string(pos))
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if on_spawn then
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local ent = mob:get_luaentity()
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on_spawn(ent, pos)
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end
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end
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local function spawn_abm_action(pos, node, active_object_count, active_object_count_wider)
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spawn_action(pos, node, active_object_count, active_object_count_wider, name)
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end
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]]--
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local entdef = minetest.registered_entities[name]
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local spawn_class
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if entdef.type == "monster" then
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spawn_class = "hostile"
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else
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spawn_class = "passive"
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end
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--load information into the spawn dictionary
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local key = #spawn_dictionary + 1
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spawn_dictionary[key] = {}
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spawn_dictionary[key]["name"] = name
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spawn_dictionary[key]["dimension"] = dimension
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spawn_dictionary[key]["type_of_spawning"] = type_of_spawning
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spawn_dictionary[key]["biomes"] = biomes
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spawn_dictionary[key]["min_light"] = min_light
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spawn_dictionary[key]["max_light"] = max_light
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spawn_dictionary[key]["interval"] = interval
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spawn_dictionary[key]["chance"] = chance
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spawn_dictionary[key]["aoc"] = aoc
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spawn_dictionary[key]["min_height"] = min_height
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spawn_dictionary[key]["max_height"] = max_height
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spawn_dictionary[key]["day_toggle"] = day_toggle
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--spawn_dictionary[key]["on_spawn"] = spawn_abm_action
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spawn_dictionary[key]["spawn_class"] = spawn_class
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--[[
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minetest.register_abm({
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label = name .. " spawning",
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nodenames = nodes,
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neighbors = neighbors,
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interval = interval,
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chance = floor(max(1, chance * mobs_spawn_chance)),
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catch_up = false,
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action = spawn_abm_action,
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})
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]]--
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end
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-- compatibility with older mob registration
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-- we're going to forget about this for now -j4i
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--[[
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function mobs:register_spawn(name, nodes, max_light, min_light, chance, active_object_count, max_height, day_toggle)
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mobs:spawn_specific(name, nodes, {"air"}, min_light, max_light, 30,
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chance, active_object_count, -31000, max_height, day_toggle)
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end
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]]--
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--Don't disable this yet-j4i
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-- MarkBu's spawn function
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function mobs:spawn(def)
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--does nothing for now
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--[[
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local name = def.name
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local nodes = def.nodes or {"group:soil", "group:stone"}
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local neighbors = def.neighbors or {"air"}
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local min_light = def.min_light or 0
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local max_light = def.max_light or 15
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local interval = def.interval or 30
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local chance = def.chance or 5000
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local active_object_count = def.active_object_count or 1
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local min_height = def.min_height or -31000
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local max_height = def.max_height or 31000
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local day_toggle = def.day_toggle
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local on_spawn = def.on_spawn
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mobs:spawn_specific(name, nodes, neighbors, min_light, max_light, interval,
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chance, active_object_count, min_height, max_height, day_toggle, on_spawn)
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]]--
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end
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local axis
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--inner and outer part of square donut radius
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local inner = 15
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local outer = 64
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local int = {-1,1}
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local position_calculation = function(pos)
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pos = vector_floor(pos)
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--this is used to determine the axis buffer from the player
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axis = math_random(0,1)
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--cast towards the direction
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if axis == 0 then --x
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pos.x = pos.x + math_random(inner,outer)*int[math_random(1,2)]
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pos.z = pos.z + math_random(-outer,outer)
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else --z
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pos.z = pos.z + math_random(inner,outer)*int[math_random(1,2)]
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pos.x = pos.x + math_random(-outer,outer)
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end
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return(pos)
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end
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--[[
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local decypher_limits_dictionary = {
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["overworld"] = {mcl_vars.mg_overworld_min,mcl_vars.mg_overworld_max},
|
|
["nether"] = {mcl_vars.mg_nether_min, mcl_vars.mg_nether_max},
|
|
["end"] = {mcl_vars.mg_end_min, mcl_vars.mg_end_max}
|
|
}
|
|
]]--
|
|
|
|
local function decypher_limits(posy)
|
|
--local min_max_table = decypher_limits_dictionary[dimension]
|
|
--return min_max_table[1],min_max_table[2]
|
|
posy = math_floor(posy)
|
|
return posy - 32, posy + 32
|
|
end
|
|
|
|
--a simple helper function for mob_spawn
|
|
local function biome_check(biome_list, biome_goal)
|
|
for _,data in ipairs(biome_list) do
|
|
if data == biome_goal then
|
|
return true
|
|
end
|
|
end
|
|
|
|
return false
|
|
end
|
|
|
|
|
|
--todo mob limiting
|
|
--MAIN LOOP
|
|
|
|
if mobs_spawn then
|
|
local timer = 0
|
|
minetest.register_globalstep(function(dtime)
|
|
timer = timer + dtime
|
|
if timer >= 10 then
|
|
timer = 0
|
|
for _,player in pairs(minetest.get_connected_players()) do
|
|
-- after this line each "break" means "continue"
|
|
local do_mob_spawning = true
|
|
repeat
|
|
--don't need to get these variables more than once
|
|
--they happen in a single server step
|
|
|
|
local player_pos = player:get_pos()
|
|
local _,dimension = mcl_worlds.y_to_layer(player_pos.y)
|
|
|
|
if dimension == "void" or dimension == "default" then
|
|
break -- ignore void and unloaded area
|
|
end
|
|
|
|
local min,max = decypher_limits(player_pos.y)
|
|
|
|
for i = 1,math_random(1,4) do
|
|
-- after this line each "break" means "continue"
|
|
local do_mob_algorithm = true
|
|
repeat
|
|
|
|
local goal_pos = position_calculation(player_pos)
|
|
|
|
local spawning_position_list = find_nodes_in_area_under_air(vector_new(goal_pos.x,min,goal_pos.z), vector_new(goal_pos.x,max,goal_pos.z), {"group:solid", "group:water", "group:lava"})
|
|
|
|
--couldn't find node
|
|
if #spawning_position_list <= 0 then
|
|
break
|
|
end
|
|
|
|
local spawning_position = spawning_position_list[math_random(1,#spawning_position_list)]
|
|
|
|
--Prevent strange behavior --- this is commented out: /too close to player --fixed with inner circle
|
|
if not spawning_position then -- or vector_distance(player_pos, spawning_position) < 15
|
|
break
|
|
end
|
|
|
|
--hard code mob limit in area to 5 for now
|
|
if count_mobs(spawning_position) >= 5 then
|
|
break
|
|
end
|
|
|
|
local gotten_node = get_node(spawning_position).name
|
|
|
|
if not gotten_node or gotten_node == "air" then --skip air nodes
|
|
break
|
|
end
|
|
|
|
local gotten_biome = minetest.get_biome_data(spawning_position)
|
|
|
|
if not gotten_biome then
|
|
break --skip if in unloaded area
|
|
end
|
|
|
|
gotten_biome = get_biome_name(gotten_biome.biome) --makes it easier to work with
|
|
|
|
--add this so mobs don't spawn inside nodes
|
|
spawning_position.y = spawning_position.y + 1
|
|
|
|
--only need to poll for node light if everything else worked
|
|
local gotten_light = get_node_light(spawning_position)
|
|
|
|
local is_water = get_item_group(gotten_node, "water") ~= 0
|
|
local is_lava = get_item_group(gotten_node, "lava") ~= 0
|
|
|
|
local mob_def = nil
|
|
|
|
--create a disconnected clone of the spawn dictionary
|
|
--prevents memory leak
|
|
local mob_library_worker_table = table_copy(spawn_dictionary)
|
|
|
|
--grab mob that fits into the spawning location
|
|
--randomly grab a mob, don't exclude any possibilities
|
|
local repeat_mob_search = true
|
|
repeat
|
|
|
|
--do not infinite loop
|
|
if #mob_library_worker_table <= 0 then
|
|
--print("breaking infinite loop")
|
|
break
|
|
end
|
|
|
|
local skip = false
|
|
|
|
--use this for removing table elements of mobs that do not match
|
|
local temp_index = math_random(1,#mob_library_worker_table)
|
|
|
|
local temp_def = mob_library_worker_table[temp_index]
|
|
|
|
--skip if something ridiculous happens (nil mob def)
|
|
--something truly horrible has happened if skip gets
|
|
--activated at this point
|
|
if not temp_def then
|
|
skip = true
|
|
end
|
|
|
|
if not skip and (spawning_position.y < temp_def.min_height or spawning_position.y > temp_def.max_height) then
|
|
skip = true
|
|
end
|
|
|
|
--skip if not correct dimension
|
|
if not skip and (temp_def.dimension ~= dimension) then
|
|
skip = true
|
|
end
|
|
|
|
--skip if not in correct biome
|
|
if not skip and (not biome_check(temp_def.biomes, gotten_biome)) then
|
|
skip = true
|
|
end
|
|
|
|
--don't spawn if not in light limits
|
|
if not skip and (gotten_light < temp_def.min_light or gotten_light > temp_def.max_light) then
|
|
skip = true
|
|
end
|
|
|
|
--skip if not in correct spawning type
|
|
if not skip and (temp_def.type_of_spawning == "ground" and is_water) then
|
|
skip = true
|
|
end
|
|
|
|
if not skip and (temp_def.type_of_spawning == "ground" and is_lava) then
|
|
skip = true
|
|
end
|
|
|
|
--found a mob, exit out of loop
|
|
if not skip then
|
|
--minetest.log("warning", "found mob:"..temp_def.name)
|
|
--print("found mob:"..temp_def.name)
|
|
mob_def = table_copy(temp_def)
|
|
break
|
|
else
|
|
--minetest.log("warning", "deleting temp index "..temp_index)
|
|
--print("deleting temp index")
|
|
table_remove(mob_library_worker_table, temp_index)
|
|
end
|
|
|
|
until repeat_mob_search == false --this is needed to sort through mobs randomly
|
|
|
|
|
|
--catch if went through all mobs and something went horribly wrong
|
|
--could not find a valid mob to spawn that fits the environment
|
|
if not mob_def then
|
|
break
|
|
end
|
|
|
|
--adjust the position for water and lava mobs
|
|
if mob_def.type_of_spawning == "water" or mob_def.type_of_spawning == "lava" then
|
|
spawning_position.y = spawning_position.y - 1
|
|
end
|
|
|
|
--print("spawning: " .. mob_def.name)
|
|
|
|
--everything is correct, spawn mob
|
|
minetest.add_entity(spawning_position, mob_def.name)
|
|
|
|
break
|
|
until do_mob_algorithm == false --this is a safety catch
|
|
end
|
|
|
|
break
|
|
until do_mob_spawning == false --this is a performance catch
|
|
end
|
|
end
|
|
end)
|
|
end
|