mod-sneeker/spawn.lua
2017-06-07 16:44:07 -07:00

74 lines
2.3 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_cap = tonumber(minetest.settings:get('sneeker.spawn_cap')) or 10 -- Maximum number of spawns active at one time
local spawn_chance = tonumber(minetest.settings:get('sneeker.spawn_chance')) or 1000 -- 1/1000 chance of spawn
local spawn_interval = tonumber(minetest.settings:get('sneeker.spawn_interval')) or time_min * 4 -- Default interval is 4 minutes
local spawn_maxlight = tonumber(minetest.settings:get('sneeker.spawn_maxlight')) or 5 -- Maximum light of node for spawn
local spawn_chance_percent = tostring(math.floor(1 / spawn_chance * 100)) .. '%'
sneeker.log('Spawn cap: ' .. tostring(spawn_cap))
sneeker.log('Spawn chance: ' .. spawn_chance_percent)
sneeker.log('Spawn interval: ' .. tostring(spawn_interval) .. ' (' .. tostring(spawn_interval/60) .. ' minute(s))')
sneeker.log('Maximum light value for spawn: ' .. tostring(spawn_maxlight))
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
sneeker.log_debug('Node light level at ' .. sneeker.get_pos_string(pos) .. ': ' .. tostring(node_light))
if not node_light or node_light > spawn_maxlight or node_light < -1 then
sneeker.log_debug('Node not dark enough for spawn')
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 count = 0
for I in pairs(minetest.luaentities) do
if minetest.luaentities[I].name == sneeker.mob_name then
count = count + 1
end
end
sneeker.log_debug('Current active spawns: ' .. tostring(count) .. '/' .. tostring(spawn_cap))
if count >= spawn_cap then
sneeker.log_debug('Max spawns reached')
return
end
sneeker.spawn(pos)
end
})