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Replace second call to minetest.find_nodes_in_area with checking top layer for matching nodes, change p2 calculation to use ceil(value) - 1, fix dx*dy*dz calculation

This commit is contained in:
teknomunk 2024-06-26 19:18:53 -05:00
parent fa3df0d8c6
commit 15efd00a29
1 changed files with 14 additions and 6 deletions
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20
mods/ENTITIES/mcl_mobs/spawning.lua
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@ -550,23 +550,31 @@ local function has_room(self,pos)
local cb_height = cb[5] - cb[2]
local p2 = vector.offset(p1,cb[4] - cb[1], cb_height, cb[6] - cb[3])
p2.x = math.floor(p2.x)
p2.y = math.floor(p2.y)
p2.z = math.floor(p2.z)
p2.x = math.ceil(p2.x) - 1
p2.y = math.ceil(p2.y) - 1
p2.z = math.ceil(p2.z) - 1
-- Check if the entire spawn volume is free
local dx = p2.x - p1.x + 1
local dy = p2.y - p1.y + 1
local dz = p2.z - p1.z + 1
local n = #minetest.find_nodes_in_area(p1,p2,nodes) or 0
if n == ( dx * dz * dz ) then return true end
local found_nodes = minetest.find_nodes_in_area(p1,p2,nodes) or 0
local n = #found_nodes
if n == ( dx * dy * dz ) then return true end
-- 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
-- Make sure the entire volume except for the top level is free before checking the top layer
if dy > 1 then
n = #minetest.find_nodes_in_area(p1, vector.offset(p2, 0, -1, 0), nodes)
-- Remove nodes in the top layer from the count
for i = 1,#found_nodes do
if found_nodes[i].y == p2.y then
n = n - 1
end
end
-- 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
end