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Add most of the code for sub-node accurate spawning volume check (needs a function to calculate bounding box height of nodes)

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teknomunk 2024-06-18 06:07:30 -05:00
parent d8d39ffd52
commit fa09b65010
1 changed files with 36 additions and 8 deletions
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44
mods/ENTITIES/mcl_mobs/spawning.lua
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@ -548,19 +548,47 @@ local function has_room(self,pos)
p1.y = math.floor(p1.y) p1.y = math.floor(p1.y)
p1.z = math.floor(p1.z) p1.z = math.floor(p1.z)
local p2 = vector.offset(p1,cb[4] - cb[1], cb[5] - cb[2], cb[6] - cb[3]) 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.x = math.floor(p2.x)
p2.y = math.floor(p2.y) p2.y = math.floor(p2.y)
p2.z = math.floor(p2.z) p2.z = math.floor(p2.z)
local r = (p2.x - p1.x + 1) * (p2.y - p1.y + 1) * (p2.z - p1.z + 1) -- Check if the entire spawn volume is free
local found_nodes = minetest.find_nodes_in_area(p1,p2,nodes) local dx = p2.x - p1.x + 1
local n = #found_nodes or 0 local dy = p2.y - p1.y + 1
if r > n then local dz = p2.z - p1.z + 1
minetest.log("warning","[mcl_mobs] No room for mob "..self.name.." at "..minetest.pos_to_string(vector.round(pos))) local n = #minetest.find_nodes_in_area(p1,p2,nodes) or 0
return false if n == ( dx * dz * dz ) then return true 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)
if n < (dx * dz * ( dy - 1)) then return false end
end end
return true
-- Check the top layer to see if we have enough space to spawn in
local top_layer_height = 1
local processed = {}
for x = p1.x,p2.x do
for z = p1.z,p2.z do
local node = minetest.get_node(vector.new(x,p2.y,z)) or { name = "ignore" }
if not processed[node.name] then
local nodedef = minetest.registered_nodes
-- TODO: calculate node bounding box and select the lowest y value
local lowest_y = 0
top_layer_height = math.min(lowest_y, top_layer_height)
processed[node.name] = true
end
end
end
if top_layer_height + dy - 1 >= cb_height then return true end
-- We don't have room
mcl_log("No room for mob "..self.name.." at "..minetest.pos_to_string(vector.round(pos)))
return false
end end
mcl_mobs.custom_biomecheck = nil mcl_mobs.custom_biomecheck = nil