From f2f1b1978ba3423a519df66d4f382dd68ac8b185 Mon Sep 17 00:00:00 2001
From: Phlosioneer <mattmdrr2@gmail.com>
Date: Sun, 10 Feb 2019 03:54:50 -0500
Subject: Done documenting link code in overworld.c

---
 src/link.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

(limited to 'src/link.c')

diff --git a/src/link.c b/src/link.c
index bec9dddc6..1550d8783 100644
--- a/src/link.c
+++ b/src/link.c
@@ -28,7 +28,7 @@
 #include "link.h"
 #include "link_rfu.h"
 
-extern u16 gUnknown_03005DA8;
+extern u16 gHeldKeyCodeToSend;
 
 // Static type declarations
 
@@ -695,12 +695,12 @@ static void BuildSendCmd(u16 command)
             gSendCmd[0] = LINKCMD_0x5566;
             break;
         case LINKCMD_SEND_HELD_KEYS_2:
-            if (gUnknown_03005DA8 == 0 || gLinkTransferringData)
+            if (gHeldKeyCodeToSend == 0 || gLinkTransferringData)
             {
                 break;
             }
             gSendCmd[0] = LINKCMD_SEND_HELD_KEYS_2;
-            gSendCmd[1] = gUnknown_03005DA8;
+            gSendCmd[1] = gHeldKeyCodeToSend;
             break;
     }
 }
@@ -714,11 +714,11 @@ void sub_8009F18(void)
     gLinkCallback = sub_8009F70;
 }
 
-bool32 sub_8009F3C(void)
+bool32 IsSendingKeysToLink(void)
 {
     if (gWirelessCommType)
     {
-        return sub_800F7E4();
+        return IsSendingKeysToRfu();
     }
     if (gLinkCallback == sub_8009F70)
     {
@@ -1849,7 +1849,7 @@ bool8 HandleLinkConnection(void)
         r5 = sub_8010F1C();
         if (sub_808766C() == TRUE)
         {
-            if (r4 == TRUE || sub_800F0B8() || r5)
+            if (r4 == TRUE || IsRfuRecvQueueEmpty() || r5)
             {
                 return TRUE;
             }
@@ -1882,18 +1882,18 @@ void sub_800B4C0(void)
     }
 }
 
-u32 sub_800B4DC(void)
+u32 GetLinkRecvQueueLength(void)
 {
     if (gWirelessCommType != 0)
     {
-        return sub_80124D4();
+        return GetRfuRecvQueueLength();
     }
     return gLink.recvQueue.count;
 }
 
 bool8 sub_800B504(void)
 {
-    if (sub_800B4DC() > 2)
+    if (GetLinkRecvQueueLength() > 2)
     {
         return TRUE;
     }
-- 
cgit v1.2.3


From e75f45dbcfcd65901035fbc7e3793332670eb306 Mon Sep 17 00:00:00 2001
From: Phlosioneer <mattmdrr2@gmail.com>
Date: Sun, 10 Feb 2019 20:42:50 -0500
Subject: Reverse engineered many of the multiplayer events

Some corrections to the way events are handled and identified.
---
 src/link.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'src/link.c')

diff --git a/src/link.c b/src/link.c
index 1550d8783..72ac3e878 100644
--- a/src/link.c
+++ b/src/link.c
@@ -302,9 +302,9 @@ void LinkTestScreen(void)
     SetMainCallback2(CB2_LinkTest);
 }
 
-void sub_8009628(u8 a0)
+void SetLocalLinkPlayerId(u8 playerId)
 {
-    gLocalLinkPlayer.id = a0;
+    gLocalLinkPlayer.id = playerId;
 }
 
 static void InitLocalLinkPlayer(void)
@@ -1142,7 +1142,7 @@ void ResetBlockReceivedFlag(u8 who)
     }
 }
 
-void sub_800A620(void)
+void CheckShouldAdvanceLinkState(void)
 {
     if ((gLinkStatus & LINK_STAT_MASTER) && EXTRACT_PLAYER_COUNT(gLinkStatus) > 1)
     {
@@ -1327,7 +1327,9 @@ void sub_800AA04(u8 a0)
     }
 }
 
-u8 sub_800AA48(void)
+// The number of players when trading began. This is frequently compared against the
+// current number of connected players to check if anyone dropped out.
+u8 GetSavedPlayerCount(void)
 {
     return gSavedLinkPlayerCount;
 }
-- 
cgit v1.2.3


From accea672f16cb74b0ec16e0e740cf9f67a651dfb Mon Sep 17 00:00:00 2001
From: Phlosioneer <mattmdrr2@gmail.com>
Date: Tue, 26 Feb 2019 22:04:44 -0500
Subject: Incorporate feedback

---
 src/link.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/link.c')

diff --git a/src/link.c b/src/link.c
index 72ac3e878..cf06e4958 100644
--- a/src/link.c
+++ b/src/link.c
@@ -302,7 +302,7 @@ void LinkTestScreen(void)
     SetMainCallback2(CB2_LinkTest);
 }
 
-void SetLocalLinkPlayerId(u8 playerId)
+void SetgLocalLinkPlayerId(u8 playerId)
 {
     gLocalLinkPlayer.id = playerId;
 }
-- 
cgit v1.2.3


From 459fd93b59795c0c9c888584d38e82577e07c056 Mon Sep 17 00:00:00 2001
From: Phlosioneer <mattmdrr2@gmail.com>
Date: Fri, 1 Mar 2019 01:18:58 -0500
Subject: Fix minor errors

---
 src/link.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/link.c')

diff --git a/src/link.c b/src/link.c
index cf06e4958..72ac3e878 100644
--- a/src/link.c
+++ b/src/link.c
@@ -302,7 +302,7 @@ void LinkTestScreen(void)
     SetMainCallback2(CB2_LinkTest);
 }
 
-void SetgLocalLinkPlayerId(u8 playerId)
+void SetLocalLinkPlayerId(u8 playerId)
 {
     gLocalLinkPlayer.id = playerId;
 }
-- 
cgit v1.2.3