[CSM] Remove `on_connect` callback (#6941)

Fixes #6939

builtin/client/register.lua

@@ -60,7 +60,6 @@ end
 
 core.registered_globalsteps, core.register_globalstep = make_registration()
 core.registered_on_shutdown, core.register_on_shutdown = make_registration()
-core.registered_on_connect, core.register_on_connect = make_registration()
 core.registered_on_receiving_chat_message, core.register_on_receiving_chat_message = make_registration()
 core.registered_on_sending_chat_message, core.register_on_sending_chat_message = make_registration()
 core.registered_on_death, core.register_on_death = make_registration()

clientmods/preview/init.lua

@@ -7,21 +7,19 @@ dofile("preview:example.lua")
 core.register_on_shutdown(function()
 	print("[PREVIEW] shutdown client")
 end)
-local id = 0
-core.register_on_connect(function()
-	print("[PREVIEW] Player connection completed")
-	local server_info = core.get_server_info()
-	print("Server version: " .. server_info.protocol_version)
-	print("Server ip: " .. server_info.ip)
-	print("Server address: " .. server_info.address)
-	print("Server port: " .. server_info.port)
-	mod_channel = core.mod_channel_join("experimental_preview")
+local id = nil
 
-	core.after(4, function()
-		if mod_channel:is_writeable() then
-			mod_channel:send_all("preview talk to experimental")
-		end
-	end)
+local server_info = core.get_server_info()
+print("Server version: " .. server_info.protocol_version)
+print("Server ip: " .. server_info.ip)
+print("Server address: " .. server_info.address)
+print("Server port: " .. server_info.port)
+mod_channel = core.mod_channel_join("experimental_preview")
+
+core.after(4, function()
+	if mod_channel:is_writeable() then
+		mod_channel:send_all("preview talk to experimental")
+	end
 end)
 
 core.after(1, function()

doc/client_lua_api.txt

@@ -651,8 +651,6 @@ Call these functions only at load time!
     * **Warning**: If the client terminates abnormally (i.e. crashes), the registered
       callbacks **will likely not be run**. Data should be saved at
       semi-frequent intervals as well as on server shutdown.
-* `minetest.register_on_connect(func())`
-    * Called at the end of client connection (when player is loaded onto map)
 * `minetest.register_on_receiving_chat_message(func(message))`
     * Called always when a client receive a message
     * Return `true` to mark the message as handled, which means that it will not be shown to chat
@@ -784,8 +782,6 @@ Call these functions only at load time!
     * Client joins channel `channel_name`, and creates it, if necessary. You
       should listen from incoming messages with `minetest.register_on_modchannel_message`
       call to receive incoming messages. Warning, this function is asynchronous.
-    * You should use a minetest.register_on_connect(function() ... end) to perform
-      a successful channel join on client startup.
 
 ### Particles
 * `minetest.add_particle(particle definition)`
@@ -935,18 +931,7 @@ Please do not try to access the reference until the camera is initialized, other
     * Returns aspect ratio of screen
 
 ### LocalPlayer
-An interface to retrieve information about the player. The player is
-not accessible until the client is fully done loading and therefore
-not at module init time.
-
-To get the localplayer handle correctly, use `on_connect()` as follows:
-
-```lua
-local localplayer
-minetest.register_on_connect(function()
-        localplayer = minetest.localplayer
-end)
-```
+An interface to retrieve information about the player.
 
 Methods:
 

src/client.cpp

@@ -1698,7 +1698,6 @@ void Client::afterContentReceived()
 
 	if (g_settings->getBool("enable_client_modding")) {
 		m_script->on_client_ready(m_env.getLocalPlayer());
-		m_script->on_connect();
 	}
 
 	text = wgettext("Done!");

src/script/cpp_api/s_client.cpp

@@ -36,17 +36,6 @@ void ScriptApiClient::on_shutdown()
 	runCallbacks(0, RUN_CALLBACKS_MODE_FIRST);
 }
 
-void ScriptApiClient::on_connect()
-{
-	SCRIPTAPI_PRECHECKHEADER
-
-	// get registered connect hooks
-	lua_getglobal(L, "core");
-	lua_getfield(L, -1, "registered_on_connect");
-	// Call callback
-	runCallbacks(0, RUN_CALLBACKS_MODE_FIRST);
-}
-
 bool ScriptApiClient::on_sending_message(const std::string &message)
 {
 	SCRIPTAPI_PRECHECKHEADER

src/script/cpp_api/s_client.h

@@ -40,8 +40,6 @@ public:
 	// Calls on_shutdown handlers
 	void on_shutdown();
 
-	void on_connect();
-
 	// Chat message handlers
 	bool on_sending_message(const std::string &message);
 	bool on_receiving_message(const std::string &message);