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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)
-- 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)
return
end
@@ -2931,39 +2932,34 @@ function mobs:spawn_specific(name, nodes, neighbors, min_light, max_light,
return
end
-- are we spawning inside solid nodes?
if minetest.registered_nodes[node_ok(pos).name].walkable == true then
--print ("--- feet in block", name, node_ok(pos).name)
return
end
-- do we have enough height clearance to spawn mob?
local ent = minetest.registered_entities[name]
local height = max(0, math.ceil(ent.collisionbox[5] - ent.collisionbox[2]) - 1)
pos.y = pos.y + 1
for n = 0, height do
if minetest.registered_nodes[node_ok(pos).name].walkable == true then
--print ("--- head in block", name, node_ok(pos).name)
return
local pos2 = {x = pos.x, y = pos.y + n, z = pos.z}
if minetest.registered_nodes[node_ok(pos2).name].walkable == true then
--print ("--- inside block", name, node_ok(pos2).name)
return
end
end
-- 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 "
.. minetest.pos_to_string(pos) .. " on "
.. node.name .. " near " .. neighbors[1])
print ("[mobs] Spawned " .. name .. " at "
.. minetest.pos_to_string(pos) .. " on "
.. 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)
end
else
minetest.log("warning", string.format("[mobs] %s failed to spawn at %s",
name, minetest.pos_to_string(pos)))
on_spawn(ent, pos)
end
end
})