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Refactor spawn_group() so that each spawn point can only be used once and protection is respected

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This commit is contained in:
teknomunk 2024-07-07 15:47:53 -05:00
parent 133ea93259
commit 5b29aac866
1 changed files with 28 additions and 11 deletions
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39
mods/ENTITIES/mcl_mobs/spawning.lua
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@ -778,24 +778,41 @@ local function build_state_for_position(pos, parent_state)
end
local function spawn_group(p, mob, spawn_on, amount_to_spawn, parent_state)
local nn= 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)
-- Find possible spawn locations and shuffle the list
local nn = find_nodes_in_area_under_air(vector.offset(p,-5,-3,-5), vector.offset(p,5,3,5), spawn_on)
if not nn or #nn < 1 then
nn = {}
table.insert(nn,p)
end
table.shuffle(nn)
--minetest.log("Spawn point list: "..dump(nn))
for i = 1, amount_to_spawn do
local sp = vector.offset(nn[math.random(#nn)],0,1,0)
local state, node = build_state_for_position(sp, parent_state)
-- Use the first amount_to_spawn positions to spawn mobs. If a spawn position is protected,
-- it is removed from the list and not counted against the spawn amount. Only one mob will
-- spawn in a given spot.
local o
while amount_to_spawn > 0 and #nn > 0 do
-- Select the next spawn position
local sp = vector.offset(nn[#nn],0,1,0)
nn[#nn] = nil
if spawn_check(sp, state, node, mob) then
if mob.type_of_spawning == "water" then
sp = get_water_spawn(sp)
-- Spawning prohibited in protected areas
if not (spawn_protected and minetest.is_protected(sp, "")) then
local state, node = build_state_for_position(sp, parent_state)
if spawn_check(sp, state, node, mob) then
if mob.type_of_spawning == "water" then
sp = get_water_spawn(sp)
end
--minetest.log("Using spawn point "..vector.to_string(sp))
o = mcl_mobs.spawn(sp,mob.name)
if o then
amount_to_spawn = amount_to_spawn - 1
dbg_spawn_succ = dbg_spawn_succ + 1
end
end
o = mcl_mobs.spawn(sp,mob.name)
if o then dbg_spawn_succ = dbg_spawn_succ + 1 end
end
end
return o