Add confirmation on new player registration (#6849)

* Attempt to add registration confirmation

Using SRP auth mechanism, if server sent AUTH_MECHANISM_FIRST_SRP that means the player isn't exist.
Also tell player about the server and chosen username.
Local game has localhost as IP address of the server.
Add RenderingEngine::draw_menu_scene() to draw GUI and clouds background.
aborted -> connection_aborted

* Rewrite information message text

Client::promptConfirmRegister() -> Client::promptConfirmRegistration()

1 files changed, 16 insertions, 0 deletions

diff --git a/src/client.cpp b/src/client.cpp
index e6af5c324..90f1c4e01 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -318,6 +318,10 @@ void Client::step(float dtime)
 		initial_step = false;
 	}
 	else if(m_state == LC_Created) {
+		if (m_is_registration_confirmation_state) {
+			// Waiting confirmation
+			return;
+		}
 		float &counter = m_connection_reinit_timer;
 		counter -= dtime;
 		if(counter <= 0.0) {
@@ -974,6 +978,18 @@ void Client::sendInit(const std::string &playerName)
 	Send(&pkt);
 }
 
+void Client::promptConfirmRegistration(AuthMechanism chosen_auth_mechanism)
+{
+	m_chosen_auth_mech = chosen_auth_mechanism;
+	m_is_registration_confirmation_state = true;
+}
+
+void Client::confirmRegistration()
+{
+	m_is_registration_confirmation_state = false;
+	startAuth(m_chosen_auth_mech);
+}
+
 void Client::startAuth(AuthMechanism chosen_auth_mechanism)
 {
 	m_chosen_auth_mech = chosen_auth_mechanism;