1108 lines
38 KiB
Lua
1108 lines
38 KiB
Lua
--lua locals
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local math, vector, minetest, mcl_mobs = math, vector, minetest, mcl_mobs
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local mob_class = mcl_mobs.mob_class
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local modern_lighting = minetest.settings:get_bool("mcl_mobs_modern_lighting", true)
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local nether_threshold = tonumber(minetest.settings:get("mcl_mobs_nether_threshold")) or 11
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local end_threshold = tonumber(minetest.settings:get("mcl_mobs_end_threshold")) or 0
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local overworld_threshold = tonumber(minetest.settings:get("mcl_mobs_overworld_threshold")) or 0
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local overworld_sky_threshold = tonumber(minetest.settings:get("mcl_mobs_overworld_sky_threshold")) or 7
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local overworld_passive_threshold = tonumber(minetest.settings:get("mcl_mobs_overworld_passive_threshold")) or 7
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local get_node = minetest.get_node
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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 mt_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 get_connected_players = minetest.get_connected_players
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local registered_nodes = minetest.registered_nodes
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local math_min = math.min
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local math_max = math.max
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local math_random = math.random
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local math_floor = math.floor
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local math_ceil = math.ceil
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local math_cos = math.cos
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local math_sin = math.sin
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local math_sqrt = math.sqrt
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local math_abs = math.abs
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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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local pairs = pairs
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local logging = minetest.settings:get_bool("mcl_logging_mobs_spawn", false)
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local function mcl_log(message, property)
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if property then message = message .. ": " .. dump(property) end
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mcl_util.mcl_log(message, "[Mobs spawn]", true)
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end
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if not logging then mcl_log = function() end end
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local dbg_spawn_attempts = 0
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local dbg_spawn_succ = 0
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local remove_far = true
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local WAIT_FOR_SPAWN_ATTEMPT = 10
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local FIND_SPAWN_POS_RETRIES = 16
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local FIND_SPAWN_POS_RETRIES_SUCCESS_RESPIN = 8
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local MOB_SPAWN_ZONE_INNER = 24
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local MOB_SPAWN_ZONE_INNER_SQ = MOB_SPAWN_ZONE_INNER^2 -- squared
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local MOB_SPAWN_ZONE_MIDDLE = 32
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local MOB_SPAWN_ZONE_OUTER = 128
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local MOB_SPAWN_ZONE_OUTER_SQ = MOB_SPAWN_ZONE_OUTER^2 -- squared
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-- range for mob count
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local MOB_CAP_INNER_RADIUS = 32
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local aoc_range = 136
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local MISSING_CAP_DEFAULT = 15
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local MOBS_CAP_CLOSE = 10
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local SPAWN_MAPGEN_LIMIT = mcl_vars.mapgen_limit - 150
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local mob_cap = {
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hostile = tonumber(minetest.settings:get("mcl_mob_cap_monster")) or 70,
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passive = tonumber(minetest.settings:get("mcl_mob_cap_animal")) or 10,
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ambient = tonumber(minetest.settings:get("mcl_mob_cap_ambient")) or 15,
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water = tonumber(minetest.settings:get("mcl_mob_cap_water")) or 8,
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water_ambient = tonumber(minetest.settings:get("mcl_mob_cap_water_ambient")) or 20,
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water_underground = tonumber(minetest.settings:get("mcl_mob_cap_water_underground")) or 5,
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axolotl = tonumber(minetest.settings:get("mcl_mob_cap_axolotl")) or 2, -- TODO should be 5 when lush caves added
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player = tonumber(minetest.settings:get("mcl_mob_cap_player")) or 75,
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global_hostile = tonumber(minetest.settings:get("mcl_mob_cap_hostile")) or 300,
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global_non_hostile = tonumber(minetest.settings:get("mcl_mob_cap_non_hostile")) or 300,
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total = tonumber(minetest.settings:get("mcl_mob_cap_total")) or 500,
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}
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local peaceful_percentage_spawned = tonumber(minetest.settings:get("mcl_mob_peaceful_percentage_spawned")) or 30
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local peaceful_group_percentage_spawned = tonumber(minetest.settings:get("mcl_mob_peaceful_group_percentage_spawned")) or 15
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local hostile_group_percentage_spawned = tonumber(minetest.settings:get("mcl_mob_hostile_group_percentage_spawned")) or 20
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mcl_log("Mob cap hostile: " .. mob_cap.hostile)
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mcl_log("Mob cap water: " .. mob_cap.water)
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mcl_log("Mob cap passive: " .. mob_cap.passive)
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mcl_log("Percentage of peacefuls spawned: " .. peaceful_percentage_spawned)
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mcl_log("Percentage of peaceful spawns are group: " .. peaceful_group_percentage_spawned)
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mcl_log("Percentage of hostile spawns are group: " .. hostile_group_percentage_spawned)
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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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local spawn_protected = minetest.settings:get_bool("mobs_spawn_protected") ~= false
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-- count how many mobs are in an area
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local function count_mobs(pos,r,mob_type)
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local num = 0
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for _,l in pairs(minetest.luaentities) do
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if l and l.is_mob and (mob_type == nil or l.type == mob_type) then
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local p = l.object:get_pos()
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if p and vector_distance(p,pos) < r then
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num = num + 1
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end
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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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local function count_mobs_total(mob_type)
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local num = 0
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for _,l in pairs(minetest.luaentities) do
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if l.is_mob then
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if mob_type == nil or l.type == mob_type then
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num = num + 1
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end
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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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local function count_mobs_add_entry (mobs_list, mob_cat)
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mobs_list[mob_cat] = (mobs_list[mob_cat] or 0) + 1
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end
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--categorise_by can be name or type or spawn_class
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local function count_mobs_all(categorise_by, pos)
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local mobs_found_wide = {}
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local mobs_found_close = {}
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local num = 0
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for _,entity in pairs(minetest.luaentities) do
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if entity and entity.is_mob then
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local add_entry = false
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--local mob_type = entity.type -- animal / monster / npc
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local mob_cat = entity[categorise_by]
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if pos then
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local mob_pos = entity.object:get_pos()
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if mob_pos then
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local distance = vector.distance(pos, mob_pos)
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--mcl_log("distance: ".. distance)
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if distance <= MOB_SPAWN_ZONE_MIDDLE then
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--mcl_log("distance is close")
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count_mobs_add_entry (mobs_found_close, mob_cat)
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count_mobs_add_entry (mobs_found_wide, mob_cat)
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add_entry = true
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elseif distance <= MOB_SPAWN_ZONE_OUTER then
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--mcl_log("distance is wide")
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count_mobs_add_entry (mobs_found_wide, mob_cat)
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add_entry = true
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else
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--mcl_log("mob_pos: " .. minetest.pos_to_string(mob_pos))
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end
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end
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else
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count_mobs_add_entry (mobs_found_wide, mob_cat)
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add_entry = true
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end
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if add_entry then
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num = num + 1
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end
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end
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end
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--mcl_log("num: ".. num)
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return mobs_found_close, mobs_found_wide, num
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end
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local function count_mobs_total_cap(mob_type)
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local total = 0
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local num = 0
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local hostile = 0
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local non_hostile = 0
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for _,l in pairs(minetest.luaentities) do
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if l.is_mob then
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total = total + 1
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local nametagged = l.nametag and l.nametag ~= ""
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if ( mob_type == nil or l.type == mob_type ) and not nametagged then
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if l.spawn_class == "hostile" then
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hostile = hostile + 1
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else
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non_hostile = non_hostile + 1
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end
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num = num + 1
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else
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mcl_log("l.name", l.name)
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mcl_log("l.nametag", l.nametag)
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end
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end
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end
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mcl_log("Total mobs", total)
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mcl_log("hostile", hostile)
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mcl_log("non_hostile", non_hostile)
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return num, non_hostile, hostile
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end
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local function output_mob_stats(mob_counts, total_mobs, chat_display)
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if (total_mobs) then
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local total_output = "Total mobs found: " .. total_mobs
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if chat_display then
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minetest.log(total_output)
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else
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minetest.log("action", total_output)
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end
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end
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local detailed = ""
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if mob_counts then
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for k, v1 in pairs(mob_counts) do
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detailed = detailed .. tostring(k) .. ": " .. tostring(v1) .. "; "
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end
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end
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if detailed and detailed ~= "" then
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if chat_display then
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minetest.log(detailed)
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else
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minetest.log("action", detailed)
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end
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end
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end
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-- global functions
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function mcl_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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--this is where all of the spawning information is kept for mobs that don't naturally spawn
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local non_spawn_dictionary = {}
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function mcl_mobs:spawn_setup(def)
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if not mobs_spawn then return end
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if not def then
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minetest.log("warning", "Empty mob spawn setup definition")
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return
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end
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local name = def.name
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if not name then
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minetest.log("warning", "Missing mob name")
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return
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end
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local dimension = def.dimension or "overworld"
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local type_of_spawning = def.type_of_spawning or "ground"
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local biomes = def.biomes or nil
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local min_light = def.min_light or 0
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local max_light = def.max_light or (minetest.LIGHT_MAX + 1)
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local chance = def.chance or 1000
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local aoc = def.aoc or aoc_range
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local min_height = def.min_height or mcl_mapgen.overworld.min
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local max_height = def.max_height or mcl_mapgen.overworld.max
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local day_toggle = def.day_toggle
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local on_spawn = def.on_spawn
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local check_position = def.check_position
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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("[mcl_mobs] %s has spawning disabled", name))
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return
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end
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minetest.log("action", string.format("[mcl_mobs] Chance setting for %s changed to %s (total: %s)", name, chance, aoc))
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end
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if chance < 1 then
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chance = 1
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minetest.log("warning", "Chance shouldn't be less than 1 (mob name: " .. name ..")")
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end
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spawn_dictionary[#spawn_dictionary + 1] = {
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name = name,
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dimension = dimension,
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type_of_spawning = type_of_spawning,
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biomes = biomes,
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min_light = min_light,
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max_light = max_light,
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chance = chance,
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aoc = aoc,
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min_height = min_height,
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max_height = max_height,
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day_toggle = day_toggle,
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check_position = check_position,
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on_spawn = on_spawn,
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}
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end
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function mcl_mobs:mob_light_lvl(mob_name, dimension)
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local spawn_dictionary_consolidated = {}
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if non_spawn_dictionary[mob_name] then
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local mob_dimension = non_spawn_dictionary[mob_name][dimension]
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if mob_dimension then
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--minetest.log("Found in non spawn dictionary for dimension")
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return mob_dimension.min_light, mob_dimension.max_light
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else
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--minetest.log("Found in non spawn dictionary but not for dimension")
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local overworld_non_spawn_def = non_spawn_dictionary[mob_name]["overworld"]
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if overworld_non_spawn_def then
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return overworld_non_spawn_def.min_light, overworld_non_spawn_def.max_light
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end
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end
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else
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--minetest.log("must be in spawning dictionary")
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for i,v in pairs(spawn_dictionary) do
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local current_mob_name = spawn_dictionary[i].name
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local current_mob_dim = spawn_dictionary[i].dimension
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if mob_name == current_mob_name then
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if not spawn_dictionary_consolidated[current_mob_name] then
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spawn_dictionary_consolidated[current_mob_name] = {}
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end
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spawn_dictionary_consolidated[current_mob_name][current_mob_dim] = {
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["min_light"] = spawn_dictionary[i].min_light,
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["max_light"] = spawn_dictionary[i].max_light
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}
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end
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end
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if spawn_dictionary_consolidated[mob_name] then
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--minetest.log("is in consolidated")
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local mob_dimension = spawn_dictionary_consolidated[mob_name][dimension]
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if mob_dimension then
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--minetest.log("found for dimension")
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return mob_dimension.min_light, mob_dimension.max_light
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else
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--minetest.log("not found for dimension, use overworld def")
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local mob_dimension_default = spawn_dictionary_consolidated[mob_name]["overworld"]
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if mob_dimension_default then
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return mob_dimension_default.min_light, mob_dimension_default.max_light
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end
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end
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else
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--minetest.log("not in consolidated")
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end
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end
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minetest.log("action", "There are no light levels for mob (" .. tostring(mob_name) .. ") in dimension (" .. tostring(dimension) .. "). Return defaults")
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return 0, minetest.LIGHT_MAX+1
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end
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function mcl_mobs:non_spawn_specific(mob_name,dimension,min_light,max_light)
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table.insert(non_spawn_dictionary, mob_name)
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non_spawn_dictionary[mob_name] = {
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[dimension] = {
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min_light = min_light , max_light = max_light
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}
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}
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end
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function mcl_mobs:spawn_specific(name, dimension, type_of_spawning, biomes, min_light, max_light, interval, chance, aoc, min_height, max_height, day_toggle, on_spawn, check_position)
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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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assert(min_height)
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assert(max_height)
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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("[mcl_mobs] %s has spawning disabled", name))
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return
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end
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minetest.log("action", string.format("[mcl_mobs] Chance setting for %s changed to %s (total: %s)", name, chance, aoc))
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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]["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]["check_position"] = check_position
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end
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local function get_next_mob_spawn_pos(pos)
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-- Select a distance such that distances closer to the player are selected much more often than
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-- those further away from the player. This does produce a concentration at INNER (24 blocks)
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local distance = math_random()^2 * (MOB_SPAWN_ZONE_OUTER - MOB_SPAWN_ZONE_INNER) + MOB_SPAWN_ZONE_INNER
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--print("Using spawn distance of "..tostring(distance).." fx="..tostring(fx)..",x="..tostring(x))
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-- Choose a random direction. Rejection sampling is simple and fast (1-2 tries usually)
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local xoff, yoff, zoff, dd
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repeat
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xoff, yoff, zoff = math_random() * 2 - 1, math_random() * 2 - 1, math_random() * 2 - 1
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dd = xoff*xoff + yoff*yoff + zoff*zoff
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until (dd <= 1 and dd >= 1e-6) -- outside of uniform ball, retry
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dd = distance / math_sqrt(dd) -- distance scaling factor
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xoff, yoff, zoff = xoff * dd, yoff * dd, zoff * dd
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local goal_pos = vector.offset(pos, xoff, yoff, zoff)
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if not (math_abs(goal_pos.x) <= SPAWN_MAPGEN_LIMIT and math_abs(goal_pos.y) <= SPAWN_MAPGEN_LIMIT and math_abs(goal_pos.z) <= SPAWN_MAPGEN_LIMIT) then
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mcl_log("Pos outside mapgen limits: " .. minetest.pos_to_string(goal_pos))
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return nil
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end
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-- Calculate upper/lower y limits
|
|
local d2 = xoff*xoff + zoff*zoff -- squared distance in x,z plane only
|
|
local y1 = math_sqrt(MOB_SPAWN_ZONE_OUTER_SQ - d2) -- absolue value of distance to outer sphere
|
|
|
|
local y_min, y_max
|
|
if d2 >= MOB_SPAWN_ZONE_INNER_SQ then
|
|
-- Outer region, y range has both ends on the outer sphere
|
|
y_min = pos.y - y1
|
|
y_max = pos.y + y1
|
|
else
|
|
-- Inner region, y range spans between inner and outer spheres
|
|
local y2 = math_sqrt(MOB_SPAWN_ZONE_INNER_SQ - d2)
|
|
if goal_pos.y > pos.y then
|
|
-- Upper hemisphere
|
|
y_min = pos.y + y2
|
|
y_max = pos.y + y1
|
|
else
|
|
-- Lower hemisphere
|
|
y_min = pos.y - y1
|
|
y_max = pos.y - y2
|
|
end
|
|
end
|
|
-- Limit total range of check to 32 nodes (maximum of 3 map blocks)
|
|
y_min = math_max(math_floor(y_min), goal_pos.y - 16)
|
|
y_max = math_min(math_ceil(y_max), goal_pos.y + 16)
|
|
|
|
-- Ask engine for valid spawn locations
|
|
local spawning_position_list = find_nodes_in_area_under_air(
|
|
{x = goal_pos.x, y = y_min, z = goal_pos.z},
|
|
{x = goal_pos.x, y = y_max, z = goal_pos.z},
|
|
{"group:solid", "group:water", "group:lava"}
|
|
) or {}
|
|
|
|
-- Select only the locations at a valid distance
|
|
local valid_positions = {}
|
|
for _,check_pos in ipairs(spawning_position_list) do
|
|
local dist = vector.distance(pos, check_pos)
|
|
if dist >= MOB_SPAWN_ZONE_INNER and dist <= MOB_SPAWN_ZONE_OUTER then
|
|
valid_positions[#valid_positions + 1] = check_pos
|
|
end
|
|
end
|
|
spawning_position_list = valid_positions
|
|
|
|
-- No valid locations, failed to find a position
|
|
if #spawning_position_list == 0 then
|
|
mcl_log("Spawning position isn't good. Do not spawn: " .. minetest.pos_to_string(goal_pos))
|
|
return nil
|
|
end
|
|
|
|
-- Pick a random valid location
|
|
mcl_log("Spawning positions available: " .. minetest.pos_to_string(goal_pos))
|
|
return spawning_position_list[math_random(1, #spawning_position_list)]
|
|
end
|
|
|
|
--a simple helper function for mob_spawn
|
|
local function biome_check(biome_list, biome_goal)
|
|
if not biome_goal then return false end
|
|
for _, data in pairs(biome_list) do
|
|
if data == biome_goal then
|
|
return true
|
|
end
|
|
end
|
|
return false
|
|
end
|
|
|
|
local function is_farm_animal(n)
|
|
return n == "mobs_mc:pig" or n == "mobs_mc:cow" or n == "mobs_mc:sheep" or n == "mobs_mc:chicken" or n == "mobs_mc:horse" or n == "mobs_mc:donkey"
|
|
end
|
|
|
|
local function get_water_spawn(p)
|
|
local nn = minetest.find_nodes_in_area(vector.offset(p,-2,-1,-2),vector.offset(p,2,-15,2),{"group:water"})
|
|
if nn and #nn > 0 then
|
|
return nn[math.random(#nn)]
|
|
end
|
|
end
|
|
|
|
local function has_room(self, pos)
|
|
local cb = self.spawnbox or self.collisionbox
|
|
local nodes = {}
|
|
if self.fly_in then
|
|
local t = type(self.fly_in)
|
|
if t == "table" then
|
|
nodes = table.copy(self.fly_in)
|
|
elseif t == "string" then
|
|
table.insert(nodes,self.fly_in)
|
|
end
|
|
end
|
|
table.insert(nodes,"air")
|
|
|
|
-- Calculate area to check for room
|
|
local cb_height = cb[5] - cb[2]
|
|
local p1 = vector.new(
|
|
math.round(pos.x + cb[1]),
|
|
math.floor(pos.y),
|
|
math.round(pos.z + cb[3]))
|
|
local p2 = vector.new(
|
|
math.round(pos.x + cb[4]),
|
|
math.ceil(p1.y + cb_height) - 1,
|
|
math.round(pos.z + cb[6]))
|
|
|
|
-- Check if the entire spawn volume is free
|
|
local dx = p2.x - p1.x + 1
|
|
local dy = p2.y - p1.y + 1
|
|
local dz = p2.z - p1.z + 1
|
|
local found_nodes = minetest.find_nodes_in_area(p1,p2,nodes) or 0
|
|
local n = #found_nodes
|
|
if n == dx * dy * dz then
|
|
return true
|
|
end
|
|
|
|
-- If we don't have an implementation of get_node_boxes, we can't check for sub-node space
|
|
if not minetest.get_node_boxes then return false end
|
|
|
|
-- Check if it's possible for a sub-node space check to succeed
|
|
local needed_in_bottom_section = dx * ( dy - 1) * dz
|
|
if n < needed_in_bottom_section then return false end
|
|
|
|
-- Make sure the entire volume except for the top level is free before checking the top layer
|
|
if dy > 1 then
|
|
-- Remove nodes in the top layer from the count
|
|
for i = 1,#found_nodes do
|
|
if found_nodes[i].y == p2.y then
|
|
n = n - 1
|
|
end
|
|
end
|
|
|
|
-- If the entire volume except the top layer isn't air (or nodes) then we can't spawn this mob here
|
|
if n < needed_in_bottom_section then return false end
|
|
end
|
|
|
|
-- Check the top layer to see if we have enough space to spawn in
|
|
local top_layer_height = 1
|
|
local processed = {}
|
|
for x = p1.x,p2.x do
|
|
for z = p1.z,p2.z do
|
|
local test_pos = vector.new(x,p2.y,z)
|
|
local node = minetest.get_node(test_pos) or { name = "ignore" }
|
|
local cache_name = string.format("%s-%d", node.name, node.param2)
|
|
if not processed[cache_name] then
|
|
-- Calculate node bounding box and select the lowest y value
|
|
local boxes = minetest.get_node_boxes("collision_box", test_pos, node)
|
|
for i = 1,#boxes do
|
|
local box = boxes[i]
|
|
local y_test = box[2] + 0.5
|
|
if y_test < top_layer_height then top_layer_height = y_test end
|
|
|
|
local y_test = box[5] + 0.5
|
|
if y_test < top_layer_height then top_layer_height = y_test end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
if top_layer_height + dy - 1 >= cb_height then return true end
|
|
|
|
-- We don't have room
|
|
return false
|
|
end
|
|
|
|
mcl_mobs.custom_biomecheck = nil
|
|
|
|
function mcl_mobs.register_custom_biomecheck(custom_biomecheck)
|
|
mcl_mobs.custom_biomecheck = custom_biomecheck
|
|
end
|
|
|
|
local function get_biome_name(pos)
|
|
if mcl_mobs.custom_biomecheck then return mcl_mobs.custom_biomecheck(pos) end
|
|
local gotten_biome = minetest.get_biome_data(pos)
|
|
return gotten_biome and mt_get_biome_name(gotten_biome.biome)
|
|
end
|
|
|
|
local function spawn_check(pos, spawn_def)
|
|
if not spawn_def or not pos then return end
|
|
dbg_spawn_attempts = dbg_spawn_attempts + 1
|
|
|
|
local dimension = mcl_worlds.pos_to_dimension(pos)
|
|
if spawn_def.dimension ~= dimension then return end -- wrong dimension
|
|
-- find ground node below spawn position
|
|
local node_name = get_node(pos).name
|
|
local node_def = registered_nodes[node_name]
|
|
if node_def and not node_def.groups.solid then -- try node one below instead
|
|
pos.y = pos.y - 1
|
|
node_name = get_node(pos).name
|
|
node_def = registered_nodes[node_name]
|
|
end
|
|
if not node_def or not node_def.groups then return end
|
|
-- do not spawn on bedrock
|
|
if node_name == "mcl_core:bedrock" then return end
|
|
pos.y = pos.y + 1
|
|
-- check spawn height
|
|
if pos.y < spawn_def.min_height or pos.y > spawn_def.max_height then return end
|
|
mcl_log("spawn_check#1 position checks passed")
|
|
|
|
-- do not spawn ground mobs on leaves
|
|
if spawn_def.type_of_spawning == "ground" and (not node_def.groups.solid or node_def.groups.leaves) then return end
|
|
-- water mobs only on water
|
|
if spawn_def.type_of_spawning == "water" and not node_def.groups.water then return end
|
|
-- lava mobs only on lava
|
|
if spawn_def.type_of_spawning == "lava" and not node_def.groups.lava then return end
|
|
-- farm animals on grass only
|
|
if is_farm_animal(spawn_def.name) and not node_def.groups.grass_block then return end
|
|
|
|
---- More expensive calls:
|
|
-- check the biome
|
|
if spawn_def.biomes and not biome_check(spawn_def.biomes, get_biome_name(pos)) then return end
|
|
-- check if there is enough room
|
|
local mob_def = minetest.registered_entities[spawn_def.name]
|
|
if not has_room(mob_def,pos) then return end
|
|
-- additional checks (slime etc.)
|
|
if spawn_def.check_position and not spawn_def.check_position(pos) then return end
|
|
if spawn_protected and minetest.is_protected(pos, "") then return end
|
|
mcl_log("spawn_check#2 advanced checks passed")
|
|
|
|
-- check light thresholds
|
|
local gotten_light = get_node_light(pos)
|
|
-- old lighting
|
|
if not modern_lighting then return gotten_light >= spawn_def.min_light and gotten_light <= spawn_def.max_light end
|
|
|
|
local sky_light = minetest.get_natural_light(pos)
|
|
local art_light = minetest.get_artificial_light(get_node(pos).param1)
|
|
if mob_def.spawn_check then
|
|
return mob_def.spawn_check(pos, gotten_light, art_light, sky_light)
|
|
end
|
|
if mob_def.type == "monster" then
|
|
if dimension == "nether" then
|
|
if art_light <= nether_threshold then
|
|
return true
|
|
end
|
|
elseif dimension == "end" then
|
|
if art_light <= end_threshold then
|
|
return true
|
|
end
|
|
elseif dimension == "overworld" then
|
|
if art_light <= overworld_threshold and sky_light <= overworld_sky_threshold then
|
|
return true
|
|
end
|
|
end
|
|
return false
|
|
end
|
|
-- passive threshold is apparently the same in all dimensions ...
|
|
return gotten_light > overworld_passive_threshold
|
|
end
|
|
|
|
function mcl_mobs.spawn(pos,id)
|
|
if not pos or not id then return false end
|
|
local def = minetest.registered_entities[id] or minetest.registered_entities["mobs_mc:"..id] or minetest.registered_entities["extra_mobs:"..id]
|
|
if not def or not def.is_mob or (def.can_spawn and not def.can_spawn(pos)) then return false end
|
|
if not has_room(def, pos) then return false end
|
|
return minetest.add_entity(pos, def.name)
|
|
end
|
|
|
|
local function spawn_group(p,mob,spawn_on,amount_to_spawn)
|
|
local nn= minetest.find_nodes_in_area_under_air(vector.offset(p,-5,-3,-5),vector.offset(p,5,3,5),spawn_on)
|
|
local o
|
|
table.shuffle(nn)
|
|
if not nn or #nn < 1 then
|
|
nn = {}
|
|
table.insert(nn,p)
|
|
end
|
|
|
|
for i = 1, amount_to_spawn do
|
|
local sp = vector.offset(nn[math.random(#nn)],0,1,0)
|
|
if spawn_check(nn[math.random(#nn)],mob) then
|
|
if mob.type_of_spawning == "water" then
|
|
sp = get_water_spawn(sp)
|
|
end
|
|
o = mcl_mobs.spawn(sp,mob.name)
|
|
if o then dbg_spawn_succ = dbg_spawn_succ + 1 end
|
|
end
|
|
end
|
|
return o
|
|
end
|
|
|
|
mcl_mobs.spawn_group = spawn_group
|
|
|
|
local S = minetest.get_translator("mcl_mobs")
|
|
|
|
minetest.register_chatcommand("spawn_mob",{
|
|
privs = { debug = true },
|
|
description=S("spawn_mob is a chatcommand that allows you to type in the name of a mob without 'typing mobs_mc:' all the time like so; 'spawn_mob spider'. however, there is more you can do with this special command, currently you can edit any number, boolean, and string variable you choose with this format: spawn_mob 'any_mob:var<mobs_variable=variable_value>:'. any_mob being your mob of choice, mobs_variable being the variable, and variable value being the value of the chosen variable. and example of this format: \n spawn_mob skeleton:var<passive=true>:\n this would spawn a skeleton that wouldn't attack you. REMEMBER-THIS> when changing a number value always prefix it with 'NUM', example: \n spawn_mob skeleton:var<jump_height=NUM10>:\n this setting the skelly's jump height to 10. if you want to make multiple changes to a mob, you can, example: \n spawn_mob skeleton:var<passive=true>::var<jump_height=NUM10>::var<fly_in=air>::var<fly=true>:\n etc."),
|
|
func = function(n,param)
|
|
local pos = minetest.get_player_by_name(n):get_pos()
|
|
|
|
local modifiers = {}
|
|
for capture in string.gmatch(param, "%:(.-)%:") do
|
|
table.insert(modifiers, ":"..capture)
|
|
end
|
|
|
|
local mod1 = string.find(param, ":")
|
|
|
|
|
|
|
|
local mobname = param
|
|
if mod1 then
|
|
mobname = string.sub(param, 1, mod1-1)
|
|
end
|
|
|
|
local mob = mcl_mobs.spawn(pos,mobname)
|
|
|
|
if mob then
|
|
for c=1, #modifiers do
|
|
modifs = modifiers[c]
|
|
|
|
local mod1 = string.find(modifs, ":")
|
|
local mod_start = string.find(modifs, "<")
|
|
local mod_vals = string.find(modifs, "=")
|
|
local mod_end = string.find(modifs, ">")
|
|
local mob_entity = mob:get_luaentity()
|
|
if string.sub(modifs, mod1+1, mod1+3) == "var" then
|
|
if mod1 and mod_start and mod_vals and mod_end then
|
|
local variable = string.sub(modifs, mod_start+1, mod_vals-1)
|
|
local value = string.sub(modifs, mod_vals+1, mod_end-1)
|
|
|
|
number_tag = string.find(value, "NUM")
|
|
if number_tag then
|
|
value = tonumber(string.sub(value, 4, -1))
|
|
end
|
|
|
|
if value == "true" then
|
|
value = true
|
|
elseif value == "false" then
|
|
value = false
|
|
end
|
|
|
|
if not mob_entity[variable] then
|
|
minetest.log("warning", n.." mob variable "..variable.." previously unset")
|
|
end
|
|
|
|
mob_entity[variable] = value
|
|
|
|
else
|
|
minetest.log("warning", n.." couldn't modify "..mobname.." at "..minetest.pos_to_string(pos).. ", missing paramaters")
|
|
end
|
|
else
|
|
minetest.log("warning", n.." couldn't modify "..mobname.." at "..minetest.pos_to_string(pos).. ", missing modification type")
|
|
end
|
|
end
|
|
|
|
minetest.log("action", n.." spawned "..mobname.." at "..minetest.pos_to_string(pos))
|
|
return true, mobname.." spawned at "..minetest.pos_to_string(pos)
|
|
else
|
|
return false, "Couldn't spawn "..mobname
|
|
end
|
|
end
|
|
})
|
|
|
|
if mobs_spawn then
|
|
|
|
-- Get pos to spawn, x and z are randomised, y is range
|
|
|
|
|
|
local function mob_cap_space (pos, mob_type, mob_counts_close, mob_counts_wide, cap_space_hostile, cap_space_non_hostile)
|
|
|
|
-- Some mob examples
|
|
--type = "monster", spawn_class = "hostile",
|
|
--type = "animal", spawn_class = "passive",
|
|
--local cod = { type = "animal", spawn_class = "water",
|
|
|
|
local type_cap = mob_cap[mob_type] or MISSING_CAP_DEFAULT
|
|
local close_zone_cap = MOBS_CAP_CLOSE
|
|
|
|
local mob_total_wide = mob_counts_wide[mob_type]
|
|
if not mob_total_wide then
|
|
--mcl_log("none of type found. set as 0")
|
|
mob_total_wide = 0
|
|
end
|
|
|
|
local cap_space_wide = math_max(type_cap - mob_total_wide, 0)
|
|
|
|
mcl_log("mob_type", mob_type)
|
|
mcl_log("cap_space_wide", cap_space_wide)
|
|
|
|
local cap_space_available = 0
|
|
if mob_type == "hostile" then
|
|
mcl_log("cap_space_global", cap_space_hostile)
|
|
cap_space_available = math_min(cap_space_hostile, cap_space_wide)
|
|
else
|
|
mcl_log("cap_space_global", cap_space_non_hostile)
|
|
cap_space_available = math_min(cap_space_non_hostile, cap_space_wide)
|
|
end
|
|
|
|
local mob_total_close = mob_counts_close[mob_type]
|
|
if not mob_total_close then
|
|
--mcl_log("none of type found. set as 0")
|
|
mob_total_close = 0
|
|
end
|
|
|
|
local cap_space_close = math_max(close_zone_cap - mob_total_close, 0)
|
|
cap_space_available = math_min(cap_space_available, cap_space_close)
|
|
|
|
mcl_log("cap_space_close", cap_space_close)
|
|
mcl_log("cap_space_available", cap_space_available)
|
|
|
|
if false and mob_type == "water" then
|
|
mcl_log("mob_type: " .. mob_type .. " and pos: " .. minetest.pos_to_string(pos))
|
|
mcl_log("wide: " .. mob_total_wide .. "/" .. type_cap)
|
|
mcl_log("cap_space_wide: " .. cap_space_wide)
|
|
mcl_log("close: " .. mob_total_close .. "/" .. close_zone_cap)
|
|
mcl_log("cap_space_close: " .. cap_space_close)
|
|
end
|
|
|
|
return cap_space_available
|
|
end
|
|
|
|
local function find_spawning_position(pos, max_times)
|
|
local spawning_position
|
|
local max_loops = max_times or 1
|
|
|
|
--mcl_log("mapgen_limit: " .. SPAWN_MAPGEN_LIMIT)
|
|
while max_loops > 0 do
|
|
local spawning_position = get_next_mob_spawn_pos(pos)
|
|
if spawning_position then return spawning_position end
|
|
max_loops = max_loops - 1
|
|
|
|
end
|
|
return nil
|
|
end
|
|
|
|
local cumulative_chance = nil
|
|
local mob_library_worker_table = nil
|
|
local function initialize_spawn_data()
|
|
if not mob_library_worker_table then
|
|
mob_library_worker_table = table_copy(spawn_dictionary)
|
|
end
|
|
if not cumulative_chance then
|
|
cumulative_chance = 0
|
|
for k, v in pairs(mob_library_worker_table) do
|
|
cumulative_chance = cumulative_chance + v.chance
|
|
end
|
|
end
|
|
end
|
|
|
|
local function spawn_a_mob(pos, cap_space_hostile, cap_space_non_hostile)
|
|
|
|
local spawning_position = find_spawning_position(pos, FIND_SPAWN_POS_RETRIES)
|
|
if not spawning_position then
|
|
minetest.log("action", "[Mobs spawn] Cannot find a valid spawn position after retries: " .. FIND_SPAWN_POS_RETRIES)
|
|
return
|
|
end
|
|
|
|
local mob_counts_close, mob_counts_wide, total_mobs = count_mobs_all("spawn_class", spawning_position)
|
|
--output_mob_stats(mob_counts_close, total_mobs)
|
|
--output_mob_stats(mob_counts_wide)
|
|
|
|
--grab mob that fits into the spawning location
|
|
--use random weighted choice with replacement to grab a mob, don't exclude any possibilities
|
|
--shuffle table once every loop to provide equal inclusion probability to all mobs
|
|
--repeat grabbing a mob to maintain existing spawn rates
|
|
local spawn_loop_counter = #mob_library_worker_table
|
|
|
|
while spawn_loop_counter > 0 do
|
|
table.shuffle(mob_library_worker_table)
|
|
local mob_chance_offset = math_random(1, cumulative_chance)
|
|
local mob_index = 1
|
|
local mob_chance = mob_library_worker_table[mob_index].chance
|
|
local step_chance = mob_chance
|
|
while step_chance < mob_chance_offset do
|
|
mob_index = mob_index + 1
|
|
if mob_index <= #mob_library_worker_table then
|
|
mob_chance = mob_library_worker_table[mob_index].chance
|
|
step_chance = step_chance + mob_chance
|
|
else
|
|
break
|
|
end
|
|
end
|
|
--minetest.log(mob_def.name.." "..step_chance.. " "..mob_chance)
|
|
|
|
local mob_def = mob_library_worker_table[mob_index]
|
|
if mob_def and mob_def.name and minetest.registered_entities[mob_def.name] then
|
|
|
|
local mob_def_ent = minetest.registered_entities[mob_def.name]
|
|
local mob_spawn_class = mob_def_ent.spawn_class
|
|
|
|
local cap_space_available = mob_cap_space (spawning_position, mob_spawn_class, mob_counts_close, mob_counts_wide, cap_space_hostile, cap_space_non_hostile)
|
|
|
|
if cap_space_available > 0 then
|
|
--mcl_log("Cap space available")
|
|
|
|
-- Spawn caps for animals and water creatures fill up rapidly. Need to throttle this somewhat
|
|
-- for performance and for early game challenge. We don't want to reduce hostiles though.
|
|
local spawn_hostile = (mob_spawn_class == "hostile")
|
|
local spawn_passive = (mob_spawn_class ~= "hostile") and math.random(100) < peaceful_percentage_spawned
|
|
|
|
--mcl_log("Spawn_passive: " .. tostring(spawn_passive))
|
|
--mcl_log("Spawn_hostile: " .. tostring(spawn_hostile))
|
|
|
|
if (spawn_hostile or spawn_passive) and spawn_check(spawning_position,mob_def) then
|
|
if mob_def.type_of_spawning == "water" then
|
|
spawning_position = get_water_spawn(spawning_position)
|
|
if not spawning_position then
|
|
minetest.log("warning","[mcl_mobs] no water spawn for mob "..mob_def.name.." found at "..minetest.pos_to_string(vector.round(pos)))
|
|
return
|
|
end
|
|
end
|
|
if mob_def_ent.can_spawn and not mob_def_ent.can_spawn(spawning_position) then
|
|
minetest.log("warning","[mcl_mobs] mob "..mob_def.name.." refused to spawn at "..minetest.pos_to_string(vector.round(spawning_position)))
|
|
return
|
|
end
|
|
|
|
--everything is correct, spawn mob
|
|
local spawn_in_group = mob_def_ent.spawn_in_group or 4
|
|
|
|
local spawn_group_hostile = (mob_spawn_class == "hostile") and (math.random(100) < hostile_group_percentage_spawned)
|
|
local spawn_group_passive = (mob_spawn_class ~= "hostile") and (math.random(100) < peaceful_group_percentage_spawned)
|
|
|
|
mcl_log("spawn_group_hostile: " .. tostring(spawn_group_hostile))
|
|
mcl_log("spawn_group_passive: " .. tostring(spawn_group_passive))
|
|
|
|
local spawned
|
|
if spawn_in_group and (spawn_group_hostile or spawn_group_passive) then
|
|
local group_min = mob_def_ent.spawn_in_group_min or 1
|
|
if not group_min then group_min = 1 end
|
|
|
|
local amount_to_spawn = math.random(group_min, spawn_in_group)
|
|
mcl_log("Spawning quantity: " .. amount_to_spawn)
|
|
amount_to_spawn = math_min(amount_to_spawn, cap_space_available)
|
|
mcl_log("throttled spawning quantity: " .. amount_to_spawn)
|
|
|
|
if logging then
|
|
minetest.log("action", "[mcl_mobs] A group of " ..amount_to_spawn .. " " .. mob_def.name .. " mob spawns on " ..minetest.get_node(vector.offset(spawning_position,0,-1,0)).name .." at " .. minetest.pos_to_string(spawning_position, 1))
|
|
end
|
|
spawned = spawn_group(spawning_position,mob_def,{minetest.get_node(vector.offset(spawning_position,0,-1,0)).name}, amount_to_spawn)
|
|
else
|
|
if logging then
|
|
minetest.log("action", "[mcl_mobs] Mob " .. mob_def.name .. " spawns on " ..minetest.get_node(vector.offset(spawning_position,0,-1,0)).name .." at ".. minetest.pos_to_string(spawning_position, 1))
|
|
end
|
|
spawned = mcl_mobs.spawn(spawning_position, mob_def.name)
|
|
end
|
|
|
|
if spawned then
|
|
--mcl_log("We have spawned")
|
|
mob_counts_close, mob_counts_wide, total_mobs = count_mobs_all("spawn_class", pos)
|
|
local new_spawning_position = find_spawning_position(pos, FIND_SPAWN_POS_RETRIES_SUCCESS_RESPIN)
|
|
if new_spawning_position then
|
|
mcl_log("Setting new spawning position")
|
|
spawning_position = new_spawning_position
|
|
else
|
|
mcl_log("Cannot set new spawning position")
|
|
end
|
|
end
|
|
else
|
|
--mcl_log("Spawn check failed")
|
|
end
|
|
else
|
|
--mcl_log("Cap space full")
|
|
end
|
|
|
|
end
|
|
spawn_loop_counter = spawn_loop_counter - 1
|
|
end
|
|
end
|
|
|
|
|
|
--MAIN LOOP
|
|
|
|
local timer = 0
|
|
minetest.register_globalstep(function(dtime)
|
|
|
|
timer = timer + dtime
|
|
if timer < WAIT_FOR_SPAWN_ATTEMPT then return end
|
|
initialize_spawn_data()
|
|
timer = 0
|
|
|
|
local players = get_connected_players()
|
|
local total_mobs, total_non_hostile, total_hostile = count_mobs_total_cap()
|
|
|
|
local cap_space_hostile = math_max(mob_cap.global_hostile - total_hostile, 0)
|
|
local cap_space_non_hostile = math_max(mob_cap.global_non_hostile - total_non_hostile, 0)
|
|
mcl_log("global cap_space_hostile", cap_space_hostile)
|
|
mcl_log("global cap_space_non_hostile", cap_space_non_hostile)
|
|
|
|
if total_mobs > mob_cap.total or total_mobs > #players * mob_cap.player then
|
|
minetest.log("action","[mcl_mobs] global mob cap reached. no cycle spawning.")
|
|
return
|
|
end --mob cap per player
|
|
|
|
for _, player in pairs(players) do
|
|
local pos = player:get_pos()
|
|
local dimension = mcl_worlds.pos_to_dimension(pos)
|
|
-- ignore void and unloaded area
|
|
if dimension ~= "void" and dimension ~= "default" then
|
|
spawn_a_mob(pos, cap_space_hostile, cap_space_non_hostile)
|
|
end
|
|
end
|
|
end)
|
|
end
|
|
|
|
local function despawn_allowed(self)
|
|
local nametag = self.nametag and self.nametag ~= ""
|
|
local not_busy = self.state ~= "attack" and self.following == nil
|
|
if self.can_despawn == true then
|
|
if not nametag and not_busy and not self.tamed == true and not self.persistent == true then
|
|
return true
|
|
end
|
|
end
|
|
return false
|
|
end
|
|
|
|
function mob_class:despawn_allowed()
|
|
despawn_allowed(self)
|
|
end
|
|
|
|
|
|
assert(despawn_allowed({can_despawn=false}) == false, "despawn_allowed - can_despawn false failed")
|
|
assert(despawn_allowed({can_despawn=true}) == true, "despawn_allowed - can_despawn true failed")
|
|
|
|
assert(despawn_allowed({can_despawn=true, nametag=""}) == true, "despawn_allowed - blank nametag failed")
|
|
assert(despawn_allowed({can_despawn=true, nametag=nil}) == true, "despawn_allowed - nil nametag failed")
|
|
assert(despawn_allowed({can_despawn=true, nametag="bob"}) == false, "despawn_allowed - nametag failed")
|
|
|
|
assert(despawn_allowed({can_despawn=true, state="attack"}) == false, "despawn_allowed - attack state failed")
|
|
assert(despawn_allowed({can_despawn=true, following="blah"}) == false, "despawn_allowed - following state failed")
|
|
|
|
assert(despawn_allowed({can_despawn=true, tamed=false}) == true, "despawn_allowed - not tamed")
|
|
assert(despawn_allowed({can_despawn=true, tamed=true}) == false, "despawn_allowed - tamed")
|
|
|
|
assert(despawn_allowed({can_despawn=true, persistent=true}) == false, "despawn_allowed - persistent")
|
|
assert(despawn_allowed({can_despawn=true, persistent=false}) == true, "despawn_allowed - not persistent")
|
|
|
|
function mob_class:check_despawn(pos, dtime)
|
|
self.lifetimer = self.lifetimer - dtime
|
|
|
|
-- Despawning: when lifetimer expires, remove mob
|
|
if remove_far and despawn_allowed(self) then
|
|
if self.despawn_immediately or self.lifetimer <= 0 then
|
|
if logging then
|
|
minetest.log("action", "[mcl_mobs] Mob "..self.name.." despawns at "..minetest.pos_to_string(pos, 1) .. " lifetimer ran out")
|
|
end
|
|
mcl_burning.extinguish(self.object)
|
|
self.object:remove()
|
|
return true
|
|
elseif self.lifetimer <= 10 then
|
|
if math.random(10) < 4 then
|
|
self.despawn_immediately = true
|
|
else
|
|
self.lifetimer = 20
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
minetest.register_chatcommand("mobstats",{
|
|
privs = { debug = true },
|
|
func = function(n,param)
|
|
local pos = minetest.get_player_by_name(n):get_pos()
|
|
minetest.chat_send_player(n,"mobs: within 32 radius of player/total loaded :"..count_mobs(pos,MOB_CAP_INNER_RADIUS) .. "/" .. count_mobs_total())
|
|
minetest.chat_send_player(n,"spawning attempts since server start:" .. dbg_spawn_succ .. "/" .. dbg_spawn_attempts)
|
|
|
|
local mob_counts_close, mob_counts_wide, total_mobs = count_mobs_all("name") -- Can use "type"
|
|
output_mob_stats(mob_counts_wide, total_mobs, true)
|
|
end
|
|
})
|