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Merge pull request 'Hyper optimize mob spawning and fix global mob check for mob spawner limiter' (#1594) from jordan4ibanez/MineClone2:mineclone5 into mineclone5

Reviewed-on: MineClone2/MineClone2#1594
This commit is contained in:
jordan4ibanez 2021-04-22 04:32:21 +00:00
commit 81e75c8908
1 changed files with 155 additions and 111 deletions

View File

@ -9,6 +9,9 @@ local get_biome_name = minetest.get_biome_name
local max = math.max
local get_objects_inside_radius = minetest.get_objects_inside_radius
local vector_distance = vector.distance
local table_copy = table.copy
local table_remove = table.remove
local math_random = math.random
-- range for mob count
local aoc_range = 32
@ -155,27 +158,15 @@ Overworld regular:
local mobs_spawn = minetest.settings:get_bool("mobs_spawn", true) ~= false
mobs_spawn = false
-- count how many mobs of one type are inside an area
local count_mobs = function(pos,mobtype)
-- count how many mobs are in an area
local count_mobs = function(pos)
local num = 0
local objs = get_objects_inside_radius(pos, aoc_range)
for n = 1, #objs do
local obj = objs[n]:get_luaentity()
if obj and obj.name and obj._cmi_is_mob then
-- count hostile mobs only
if mobtype == "hostile" then
if obj.spawn_class == "hostile" then
num = num + 1
end
-- count passive mobs only
else
for _,object in pairs(get_objects_inside_radius(pos, aoc_range)) do
if object and object:get_luaentity() and object:get_luaentity()._cmi_is_mob then
num = num + 1
end
end
end
return num
end
@ -485,8 +476,8 @@ end
local axis
--inner and outer part of square donut radius
local inner = 1
local outer = 65
local inner = 15
local outer = 64
local int = {-1,1}
local position_calculation = function(pos)
@ -540,13 +531,16 @@ if mobs_spawn then
local timer = 0
minetest.register_globalstep(function(dtime)
timer = timer + dtime
if timer >= 8 then
if timer >= 10 then
timer = 0
for _,player in pairs(minetest.get_connected_players()) do
for i = 1,math_random(3,8) do
repeat -- after this line each "break" means "continue"
local player_pos = player:get_pos()
-- 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
@ -555,6 +549,11 @@ if mobs_spawn then
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(new_vector(goal_pos.x,min,goal_pos.z), vector.new(goal_pos.x,max,goal_pos.z), {"group:solid", "group:water", "group:lava"})
@ -566,8 +565,13 @@ if mobs_spawn then
local spawning_position = spawning_position_list[math_random(1,#spawning_position_list)]
--Prevent strange behavior/too close to player
if not spawning_position or vector_distance(player_pos, spawning_position) < 15 then
--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
@ -585,51 +589,84 @@ if mobs_spawn then
gotten_biome = get_biome_name(gotten_biome.biome) --makes it easier to work with
--grab random mob
local mob_def = spawn_dictionary[math.random(1,#spawn_dictionary)]
if not mob_def then
break --skip if something ridiculous happens (nil mob def)
end
--skip if not correct dimension
if mob_def.dimension ~= dimension then
break
end
--skip if not in correct biome
if not biome_check(mob_def.biomes, gotten_biome) then
break
end
--add this so mobs don't spawn inside nodes
spawning_position.y = spawning_position.y + 1
if spawning_position.y < mob_def.min_height or spawning_position.y > mob_def.max_height then
break
end
--only need to poll for node light if everything else worked
local gotten_light = get_node_light(spawning_position)
--don't spawn if not in light limits
if gotten_light < mob_def.min_light or gotten_light > mob_def.max_light then
break
end
local is_water = get_item_group(gotten_node, "water") ~= 0
local is_lava = get_item_group(gotten_node, "lava") ~= 0
if mob_def.type_of_spawning == "ground" and is_water then
break
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
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 mob_def.type_of_spawning == "ground" and is_lava then
break
if not skip and (spawning_position.y < temp_def.min_height or spawning_position.y > temp_def.max_height) then
skip = true
end
--finally do the heavy check (for now) of mobs in area
if count_mobs(spawning_position, mob_def.spawn_class) >= mob_def.aoc then
--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
--print("found mob:"..temp_def.name)
mob_def = table_copy(temp_def)
break
else
--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
@ -638,10 +675,17 @@ if mobs_spawn 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)
until true --this is a safety catch
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)