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-rw-r--r--doc/lua_api.txt8
1 files changed, 7 insertions, 1 deletions
diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index 7744b02bf..a41a5217e 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -4551,8 +4551,14 @@ Callbacks:
* Called when the object is instantiated.
* `dtime_s` is the time passed since the object was unloaded, which can be
used for updating the entity state.
-* `on_deactivate(self)
+* `on_deactivate(self, removal)
* Called when the object is about to get removed or unloaded.
+ * `removal`: boolean indicating whether the object is about to get removed.
+ Calling `object:remove()` on an active object will call this with `removal=true`.
+ The mapblock the entity resides in being unloaded will call this with `removal=false`.
+ * Note that this won't be called if the object hasn't been activated in the first place.
+ In particular, `minetest.clear_objects({mode = "full"})` won't call this,
+ whereas `minetest.clear_objects({mode = "quick"})` might call this.
* `on_step(self, dtime)`
* Called on every server tick, after movement and collision processing.
`dtime` is usually 0.1 seconds, as per the `dedicated_server_step` setting