commit 37e1dbf1353a1b1f39dc2702178904aed04a476d
Author:     Simon Howard <fraggle@gmail.com>
AuthorDate: Sat Aug 31 00:13:05 2013 +0000
Commit:     Simon Howard <fraggle@gmail.com>
CommitDate: Sat Aug 31 00:13:05 2013 +0000

    Add notification window to the waiting screen to show whether the server
    was added to the global master server.

    Subversion-branch: /branches/v2-branch
    Subversion-revision: 2629
---
 src/net_gui.c   | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/net_query.c | 18 ++++++++++++++++--
 src/net_query.h |  1 +
 3 files changed, 71 insertions(+), 2 deletions(-)

diff --git a/src/net_gui.c b/src/net_gui.c
index d8c584b7..a79df735 100644
--- a/src/net_gui.c
+++ b/src/net_gui.c
@@ -37,6 +37,7 @@

 #include "net_client.h"
 #include "net_gui.h"
+#include "net_query.h"
 #include "net_server.h"

 #include "textscreen.h"
@@ -46,6 +47,7 @@ static int old_max_players;
 static txt_label_t *player_labels[NET_MAXPLAYERS];
 static txt_label_t *ip_labels[NET_MAXPLAYERS];
 static txt_label_t *drone_label;
+static txt_label_t *master_msg_label;
 static boolean had_warning;

 static void EscapePressed(TXT_UNCAST_ARG(widget), void *unused)
@@ -73,6 +75,8 @@ static void OpenWaitDialog(void)
     TXT_SignalConnect(cancel, "pressed", EscapePressed, NULL);

     TXT_SetWindowAction(window, TXT_HORIZ_LEFT, cancel);
+    TXT_SetWindowPosition(window, TXT_HORIZ_CENTER, TXT_VERT_BOTTOM,
+                                  TXT_SCREEN_W / 2, TXT_SCREEN_H - 9);

     old_max_players = 0;
 }
@@ -182,6 +186,55 @@ static void UpdateGUI(void)
     TXT_SetWindowAction(window, TXT_HORIZ_RIGHT, startgame);
 }

+static void BuildMasterStatusWindow(void)
+{
+    txt_window_t *master_window;
+
+    master_window = TXT_NewWindow(NULL);
+    master_msg_label = TXT_NewLabel("");
+    TXT_AddWidget(master_window, master_msg_label);
+
+    // This window is here purely for information, so it should be
+    // in the background.
+
+    TXT_LowerWindow(master_window);
+    TXT_SetWindowPosition(master_window, TXT_HORIZ_CENTER, TXT_VERT_CENTER,
+                                         TXT_SCREEN_W / 2, TXT_SCREEN_H - 4);
+    TXT_SetWindowAction(master_window, TXT_HORIZ_LEFT, NULL);
+    TXT_SetWindowAction(master_window, TXT_HORIZ_CENTER, NULL);
+    TXT_SetWindowAction(master_window, TXT_HORIZ_RIGHT, NULL);
+}
+
+static void CheckMasterStatus(void)
+{
+    boolean added;
+
+    if (!NET_Query_CheckAddedToMaster(&added))
+    {
+        return;
+    }
+
+    if (master_msg_label == NULL)
+    {
+        BuildMasterStatusWindow();
+    }
+
+    if (added)
+    {
+        TXT_SetLabel(master_msg_label,
+            "Your server is now registered with the global master server.\n"
+            "Other players can find your server online.");
+    }
+    else
+    {
+        TXT_SetLabel(master_msg_label,
+            "Failed to register with the master server. Your server is not\n"
+            "publicly accessible. You may need to reconfigure your Internet\n"
+            "router to add a port forward for UDP port 2342. Look up\n"
+            "information on port forwarding online.");
+    }
+}
+
 static void PrintSHA1Digest(char *s, byte *digest)
 {
     unsigned int i;
@@ -307,6 +360,7 @@ void NET_WaitForLaunch(void)
     {
         UpdateGUI();
         CheckSHA1Sums();
+        CheckMasterStatus();

         TXT_DispatchEvents();
         TXT_DrawDesktop();
diff --git a/src/net_query.c b/src/net_query.c
index 392ee022..80b5b1bc 100644
--- a/src/net_query.c
+++ b/src/net_query.c
@@ -81,9 +81,8 @@ typedef struct
     boolean printed;
 } query_target_t;

-// Transmit a query packet
-
 static boolean registered_with_master = false;
+static boolean got_master_response = false;

 static net_context_t *query_context;
 static query_target_t *targets;
@@ -158,9 +157,24 @@ void NET_Query_MasterResponse(net_packet_t *packet)
             printf("Failed to register with master server at %s\n",
                    MASTER_SERVER_ADDRESS);
         }
+
+        got_master_response = true;
     }
 }

+boolean NET_Query_CheckAddedToMaster(boolean *result)
+{
+    // Got response from master yet?
+
+    if (!got_master_response)
+    {
+        return false;
+    }
+
+    *result = registered_with_master;
+    return true;
+}
+
 // Send a query to the master server.

 static void NET_Query_SendMasterQuery(net_addr_t *addr)
diff --git a/src/net_query.h b/src/net_query.h
index 5a30bd0d..d98f5da5 100644
--- a/src/net_query.h
+++ b/src/net_query.h
@@ -44,6 +44,7 @@ extern int NET_Query_Poll(net_query_callback_t callback, void *user_data);

 extern net_addr_t *NET_Query_ResolveMaster(net_context_t *context);
 extern void NET_Query_AddToMaster(net_addr_t *master_addr);
+extern boolean NET_Query_CheckAddedToMaster(boolean *result);
 extern void NET_Query_MasterResponse(net_packet_t *packet);

 #endif /* #ifndef NET_QUERY_H */