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check height clearance before spawning mob

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TenPlus1 2018-01-04 11:13:08 +00:00
parent 07bb12acac
commit 0f480942b5
1 changed files with 20 additions and 24 deletions
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44
api.lua
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@ -2862,7 +2862,8 @@ function mobs:spawn_specific(name, nodes, neighbors, min_light, max_light,
action = function(pos, node, active_object_count, active_object_count_wider) action = function(pos, node, active_object_count, active_object_count_wider)
-- is mob actually registered? -- is mob actually registered?
if not mobs.spawning_mobs[name] then if not mobs.spawning_mobs[name]
or not minetest.registered_entities[name] then
--print ("--- mob doesn't exist", name) --print ("--- mob doesn't exist", name)
return return
end end
@ -2931,39 +2932,34 @@ function mobs:spawn_specific(name, nodes, neighbors, min_light, max_light,
return return
end end
-- are we spawning inside solid nodes? -- do we have enough height clearance to spawn mob?
if minetest.registered_nodes[node_ok(pos).name].walkable == true then local ent = minetest.registered_entities[name]
--print ("--- feet in block", name, node_ok(pos).name) local height = max(0, math.ceil(ent.collisionbox[5] - ent.collisionbox[2]) - 1)
return
end
pos.y = pos.y + 1 for n = 0, height do
if minetest.registered_nodes[node_ok(pos).name].walkable == true then local pos2 = {x = pos.x, y = pos.y + n, z = pos.z}
--print ("--- head in block", name, node_ok(pos).name)
return if minetest.registered_nodes[node_ok(pos2).name].walkable == true then
--print ("--- inside block", name, node_ok(pos2).name)
return
end
end end
-- spawn mob half block higher than ground -- spawn mob half block higher than ground
pos.y = pos.y - 0.5 pos.y = pos.y + 0.5
if minetest.registered_entities[name] then local mob = minetest.add_entity(pos, name)
local mob = minetest.add_entity(pos, name)
--[[ --[[
print ("[mobs] Spawned " .. name .. " at " print ("[mobs] Spawned " .. name .. " at "
.. minetest.pos_to_string(pos) .. " on " .. minetest.pos_to_string(pos) .. " on "
.. node.name .. " near " .. neighbors[1]) .. node.name .. " near " .. neighbors[1])
]] ]]
if on_spawn then if on_spawn then
local ent = mob:get_luaentity() local ent = mob:get_luaentity()
on_spawn(ent, pos) on_spawn(ent, pos)
end
else
minetest.log("warning", string.format("[mobs] %s failed to spawn at %s",
name, minetest.pos_to_string(pos)))
end end
end end
}) })