Add on_object_add callback

builtin/client/register.lua

@@ -107,6 +107,7 @@ core.registered_on_play_sound, core.register_on_play_sound = make_registration()
 core.registered_on_spawn_particle, core.register_on_spawn_particle = make_registration()
 core.registered_on_object_properties_change, core.register_on_object_properties_change = make_registration()
 core.registered_on_object_hp_change, core.register_on_object_hp_change = make_registration()
+core.registered_on_object_add, core.register_on_object_add = make_registration()
 
 core.registered_nodes = {}
 core.registered_items = {}

doc/client_lua_api.txt

@@ -763,6 +763,8 @@ Call these functions only at load time!
     * Called when recieving a spawn particle command from server
     * Newest functions are called first
     * If any function returns true, the particle does not spawn
+* `minetest.register_on_object_add(function(obj))`
+	* Called every time an object is added
 * `minetest.register_on_object_properties_change(function(obj))`
     * Called every time the properties of an object are changed server-side
     * May modify the object's properties without the fear of infinite recursion

src/client/content_cao.cpp

@@ -829,6 +829,9 @@ void GenericCAO::addToScene(ITextureSource *tsrc)
 	setNodeLight(m_last_light);
 	updateMeshCulling();
 
+	if (m_client->modsLoaded())
+		m_client->getScript()->on_object_add(m_id);
+
 	if (m_client->modsLoaded())
 		m_client->getScript()->on_object_properties_change(m_id);
 }

src/script/cpp_api/s_client.cpp

@@ -297,7 +297,7 @@ void ScriptApiClient::on_object_properties_change(s16 id)
 {
 	SCRIPTAPI_PRECHECKHEADER
 
-	// Get core.on_object_properties_change
+	// Get core.registered_on_object_properties_change
 	lua_getglobal(L, "core");
 	lua_getfield(L, -1, "registered_on_object_properties_change");
 
@@ -312,7 +312,7 @@ void ScriptApiClient::on_object_hp_change(s16 id)
 {
 	SCRIPTAPI_PRECHECKHEADER
 
-	// Get core.on_object_hp_change
+	// Get core.registered_on_object_hp_change
 	lua_getglobal(L, "core");
 	lua_getfield(L, -1, "registered_on_object_hp_change");
 
@@ -323,6 +323,21 @@ void ScriptApiClient::on_object_hp_change(s16 id)
 	runCallbacks(1, RUN_CALLBACKS_MODE_FIRST);
 }
 
+void ScriptApiClient::on_object_add(s16 id)
+{
+	SCRIPTAPI_PRECHECKHEADER
+
+	// Get core.registered_on_object_add
+	lua_getglobal(L, "core");
+	lua_getfield(L, -1, "registered_on_object_add");
+
+	// Push data
+	push_objectRef(L, id);
+
+	// Call functions
+	runCallbacks(1, RUN_CALLBACKS_MODE_FIRST);
+}
+
 bool ScriptApiClient::on_inventory_open(Inventory *inventory)
 {
 	SCRIPTAPI_PRECHECKHEADER

src/script/cpp_api/s_client.h

@@ -65,6 +65,7 @@ public:
 	bool on_spawn_particle(struct ParticleParameters param);
 	void on_object_properties_change(s16 id);
 	void on_object_hp_change(s16 id);
+	void on_object_add(s16 id);
 
 	bool on_inventory_open(Inventory *inventory);
 	void open_enderchest();