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Add short circuit if sub-node space check isn't possible:

This commit is contained in:
teknomunk 2024-06-26 19:24:55 -05:00
parent 15efd00a29
commit 8ef08128b1
1 changed files with 5 additions and 1 deletions
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6
mods/ENTITIES/mcl_mobs/spawning.lua
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@ -565,6 +565,10 @@ local function has_room(self,pos)
-- If we don't have an implementation of get_node_boxes, we can't check for sub-node space -- 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 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 * dz * ( dy - 1))
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 -- Make sure the entire volume except for the top level is free before checking the top layer
if dy > 1 then if dy > 1 then
-- Remove nodes in the top layer from the count -- Remove nodes in the top layer from the count
@ -575,7 +579,7 @@ local function has_room(self,pos)
end end
-- If the entire volume except the top layer isn't air (or nodes) then we can't spawn this mob here -- If the entire volume except the top layer isn't air (or nodes) then we can't spawn this mob here
if n < (dx * dz * ( dy - 1)) then return false end if n < needed_in_bottom_section then return false end
end end
-- Check the top layer to see if we have enough space to spawn in -- Check the top layer to see if we have enough space to spawn in