sub_81449E0

1 files changed, 79 insertions, 10 deletions

diff --git a/src/mevent_server.c b/src/mevent_server.c
index 0c94980ff..8c68a9350 100644
--- a/src/mevent_server.c
+++ b/src/mevent_server.c
@@ -21,7 +21,7 @@ struct mevent_srv_sub
     u16 unk_12;
     u16 unk_14;
     void * unk_18;
-    u32 unk_1C;
+    void * unk_1C;
     u32 (*unk_20)(struct mevent_srv_sub *);
     u32 (*unk_24)(struct mevent_srv_sub *);
 };
@@ -40,6 +40,13 @@ struct mevent_srv_ish
     struct mevent_srv_sub unk_24;
 };
 
+struct send_recv_buff
+{
+    u16 unk0;
+    u16 unk2;
+    u16 unk4;
+};
+
 EWRAM_DATA struct mevent_srv_ish * gUnknown_203F3C0 = NULL;
 
 u32 sub_814490C(struct mevent_srv_sub *);
@@ -66,13 +73,13 @@ void sub_814485C(struct mevent_srv_sub * srv, u8 a1, u8 a2)
     srv->unk_0A = 0;
     srv->unk_0C = 0;
     srv->unk_08 = 0;
-    srv->unk_1C = 0;
+    srv->unk_1C = NULL;
     srv->unk_18 = NULL;
     srv->unk_24 = sub_81449E0;
     srv->unk_20 = sub_814490C;
 }
 
-void sub_8144888(struct mevent_srv_sub * srv, u16 a1, u32 a2, u32 a3)
+void sub_8144888(struct mevent_srv_sub * srv, u16 a1, void * a2, u32 a3)
 {
     srv->unk_00 = 0;
     srv->unk_0E = a1;
@@ -95,7 +102,7 @@ void sub_81448AC(struct mevent_srv_sub * srv, u16 a1, void * a2)
     srv->unk_18 = a2;
 }
 
-void sub_81448BC(u32 recv_idx, u16 * dest, size_t size)
+void sub_81448BC(u32 recv_idx, void * dest, size_t size)
 {
     memcpy(dest, gBlockRecvBuffer[recv_idx], size);
 }
@@ -115,22 +122,22 @@ void sub_81448FC(u32 recv_idx)
 
 bool32 sub_814490C(struct mevent_srv_sub * srv)
 {
-    u16 buff[4];
+    struct send_recv_buff buff;
+
     switch (srv->unk_00)
     {
         case 0:
             if (sub_81448D8(srv->unk_05))
             {
-                u16 * r4;
-                sub_81448BC(srv->unk_05, (r4 = buff), sizeof(buff));
-                srv->unk_0C = r4[2];
-                srv->unk_0A = r4[1];
+                sub_81448BC(srv->unk_05, &buff, sizeof(buff));
+                srv->unk_0C = buff.unk4;
+                srv->unk_0A = buff.unk2;
                 if (srv->unk_0C > 0x400)
                 {
                     sub_80FA190();
                     return FALSE;
                 }
-                else if (srv->unk_06 != buff[0])
+                else if (srv->unk_06 != buff.unk0)
                 {
                     sub_80FA190();
                     return FALSE;
@@ -178,3 +185,65 @@ bool32 sub_814490C(struct mevent_srv_sub * srv)
 
     return FALSE;
 }
+
+bool32 sub_81449E0(struct mevent_srv_sub * srv)
+{
+    struct send_recv_buff buff;
+
+    switch (srv->unk_00)
+    {
+        case 0:
+            if (sub_800A4BC())
+            {
+                buff.unk0 = srv->unk_0E;
+                buff.unk4 = srv->unk_14;
+                buff.unk2 = CalcCRC16WithTable(srv->unk_1C, srv->unk_14);
+                srv->unk_12 = buff.unk2;
+                srv->unk_10 = 0;
+                SendBlock(0, &buff, sizeof(buff));
+                ++srv->unk_00;
+            }
+            break;
+        case 1:
+            if (sub_800A4BC())
+            {
+                if (sub_81448D8(srv->unk_04))
+                {
+                    size_t r3;
+                    sub_81448FC(srv->unk_04);
+                    r3 = 252 * srv->unk_10;
+                    if (srv->unk_14 - r3 <= 252)
+                    {
+                        SendBlock(0, srv->unk_1C + r3, srv->unk_14 - r3);
+                        ++srv->unk_10;
+                        ++srv->unk_00;
+                    }
+                    else
+                    {
+                        SendBlock(0, srv->unk_1C + r3, 252);
+                        ++srv->unk_10;
+                    }
+                }
+            }
+            break;
+        case 2:
+            if (sub_800A4BC())
+            {
+                if (CalcCRC16WithTable(srv->unk_1C, srv->unk_14) != srv->unk_12)
+                    sub_80FA190();
+                else
+                    ++srv->unk_00;
+            }
+            break;
+        case 3:
+            if (sub_81448D8(srv->unk_04))
+            {
+                sub_81448FC(srv->unk_04);
+                srv->unk_00 = 0;
+                return TRUE;
+            }
+            break;
+    }
+
+    return FALSE;
+}