Builtin/../falling.lua: Avoid crash when object pos over limit

If the object pos is over limit, 'add entity' will not add an entity,
causing 'obj' to be nil.

diff --git a/builtin/game/falling.lua b/builtin/game/falling.lua
index 8b88b68d83668d8a627f88ea38cde85bde148f08..4696ce4818ffd9e279ccc5d600f2efd8a48ca47c 100644 (file)
--- a/builtin/game/falling.lua
+++ b/builtin/game/falling.lua
@@ -113,7 +113,9 @@ core.register_entity(":__builtin:falling_node", {
 
 local function spawn_falling_node(p, node)
        local obj = core.add_entity(p, "__builtin:falling_node")
-       obj:get_luaentity():set_node(node)
+       if obj then
+               obj:get_luaentity():set_node(node)
+       end
 end
 
 local function drop_attached_node(p)