mod-sneeker/spawn.lua
2021-05-06 19:57:26 -07:00

67 lines
1.7 KiB
Lua

-- Original code by Rui: WTFPL
local time_min = 60
local time_hr = time_min * 60
local time_day = time_hr * 24
local spawn_chance = tonumber(minetest.settings:get("sneeker.spawn_chance")) or 18000
local spawn_interval = tonumber(minetest.settings:get("sneeker.spawn_interval")) or time_min * 40 -- Default interval is 40 minutes
sneeker.log("Spawn chance: " .. tostring(spawn_chance) .. " (1/" .. tostring(spawn_chance) .. ")")
sneeker.log("Spawn interval: " .. tostring(spawn_interval) .. " (" .. tostring(spawn_interval/60) .. " minute(s))")
minetest.register_abm({
nodenames = {"default:dirt_with_grass", "default:stone"},
neighbors = {"air"},
interval = spawn_interval,
chance = spawn_chance,
action = function(pos, node, _, active_object_count_wider)
if active_object_count_wider > 5 then
return
end
-- Check light value of node
pos.y = pos.y+1
local node_light = minetest.get_node_light(pos)
-- Debugging spawning
sneaker.log_debug('Node light level at ' .. tostring(pos.x) .. ',' .. tostring(pos.y) .. ': ' .. tostring(node_light))
if not node_light then
return
end
if node_light > sneeker.spawn_maxlight then
return
end
if node_light < -1 then
return
end
-- Spawn range
if pos.y > 31000 then
return
end
-- Node must be touching air
if minetest.get_node(pos).name ~= "air" then
return
end
pos.y = pos.y+1
if minetest.get_node(pos).name ~= "air" then
return
end
-- Get total count of sneekers in world
local name, count
for name in pairs(minetest.luaentities) do
if name == sneeker.mob_name then
count = count + 1
end
end
if count >= sneeker.spawn_cap then return end -- Max sneekers already exist
sneeker.spawn(pos)
end
})