document more of trainer card

src/cable_club.c

@@ -498,7 +498,7 @@ static void sub_80B2C30(u8 taskId)
 
     for (index = 0; index < GetLinkPlayerCount(); index++)
     {
-        sub_80C3120(&gTrainerCards[index], gBlockRecvBuffer[index], gLinkPlayers[index].version);
+        CopyTrainerCardData(&gTrainerCards[index], gBlockRecvBuffer[index], gLinkPlayers[index].version);
     }
 
     SetSuppressLinkErrorMessage(FALSE);
@@ -1176,7 +1176,7 @@ static void sub_80B39A4(void)
 
 void sp02A_crash_sound(void)
 {
-    TrainerCard_ShowLinkCard(gSpecialVar_0x8006, CB2_ReturnToFieldContinueScriptPlayMapMusic);
+    ShowTrainerCardInLink(gSpecialVar_0x8006, CB2_ReturnToFieldContinueScriptPlayMapMusic);
 }
 
 bool32 sub_80B39D4(u8 linkPlayerIndex)

src/frontier_pass.c

@@ -0,0 +1,31 @@
+#include "global.h"
+#include "gpu_regs.h"
+#include "bg.h"
+
+void sub_80C50D0(void)
+{
+    SetGpuReg(REG_OFFSET_DISPCNT, 0);
+    SetGpuReg(REG_OFFSET_BG3CNT, 0);
+    SetGpuReg(REG_OFFSET_BG2CNT, 0);
+    SetGpuReg(REG_OFFSET_BG1CNT, 0);
+    SetGpuReg(REG_OFFSET_BG0CNT, 0);
+    ChangeBgX(0, 0, 0);
+    ChangeBgY(0, 0, 0);
+    ChangeBgX(1, 0, 0);
+    ChangeBgY(1, 0, 0);
+    ChangeBgX(2, 0, 0);
+    ChangeBgY(2, 0, 0);
+    ChangeBgX(3, 0, 0);
+    ChangeBgY(3, 0, 0);
+    SetGpuReg(REG_OFFSET_BLDCNT, 0);
+    SetGpuReg(REG_OFFSET_BLDY, 0);
+    SetGpuReg(REG_OFFSET_BLDALPHA, 0);
+    SetGpuReg(REG_OFFSET_WIN0H, 0);
+    SetGpuReg(REG_OFFSET_WIN0V, 0);
+    SetGpuReg(REG_OFFSET_WIN1H, 0);
+    SetGpuReg(REG_OFFSET_WIN1V, 0);
+    SetGpuReg(REG_OFFSET_WININ, 0);
+    SetGpuReg(REG_OFFSET_WINOUT, 0);
+    CpuFill16(0, (void *)VRAM, VRAM_SIZE);
+    CpuFill32(0, (void *)OAM, OAM_SIZE);
+}

src/rom_8011DC0.c

@@ -1577,7 +1577,7 @@ void sub_80140E0(u8 taskId)
             for (i = 0; i < GetLinkPlayerCount(); i++)
             {
                 recvBuff = gBlockRecvBuffer[i];
-                sub_80C3120(&gTrainerCards[i], recvBuff, gLinkPlayers[i].version);
+                CopyTrainerCardData(&gTrainerCards[i], recvBuff, gLinkPlayers[i].version);
             }
 
             if (GetLinkPlayerCount() == 2)
@@ -1607,7 +1607,7 @@ void sub_80141A4(void)
         break;
     case 1:
         if (!FuncIsActiveTask(sub_80140E0))
-            TrainerCard_ShowLinkCard(GetMultiplayerId() ^ 1, CB2_ReturnToField);
+            ShowTrainerCardInLink(GetMultiplayerId() ^ 1, CB2_ReturnToField);
         break;
     }
 

src/start_menu.c

@@ -9,6 +9,7 @@
 #include "strings.h"
 #include "bg.h"
 #include "field_effect.h"
+#include "party_menu.h"
 #include "task.h"
 #include "overworld.h"
 #include "link.h"
@@ -30,6 +31,7 @@
 #include "scanline_effect.h"
 #include "text_window.h"
 #include "load_save.h"
+#include "trainer_card.h"
 #include "international_string_util.h"
 #include "constants/songs.h"
 #include "field_player_avatar.h"
@@ -89,11 +91,9 @@ extern void var_800D_set_xB(void);
 extern void sub_808B864(void);
 extern void CB2_Pokedex(void);
 extern void PlayRainSoundEffect(void);
-extern void CB2_PartyMenuFromStartMenu(void);
 extern void CB2_PokeNav(void);
-extern void sub_80C4DDC(void (*)(void));
+extern void ShowPlayerTrainerCard(void (*)(void));
 extern void sub_80C51C4(void (*)(void));
-extern void TrainerCard_ShowLinkCard(u8, void (*)(void));
 extern void ScriptUnfreezeEventObjects(void);
 extern void sub_81A9EC8(void);
 extern void save_serialize_map(void);
@@ -468,21 +468,14 @@ static bool32 InitStartMenuStep(void)
         break;
     case 3:
         if (GetSafariZoneFlag())
-        {
             ShowSafariBallsWindow();
-        }
         if (InBattlePyramid())
-        {
             ShowPyramidFloorWindow();
-        }
         sUnknown_02037619[0]++;
         break;
     case 4:
-        if (!PrintStartMenuActions(&sUnknown_02037619[1], 2))
-        {
-            break;
-        }
-        sUnknown_02037619[0]++;
+        if (PrintStartMenuActions(&sUnknown_02037619[1], 2))
+            sUnknown_02037619[0]++;
         break;
     case 5:
         sStartMenuCursorPos = sub_81983AC(GetStartMenuWindowId(), 1, 0, 9, 16, sNumStartMenuActions, sStartMenuCursorPos);
@@ -497,15 +490,14 @@ static void InitStartMenu(void)
 {
     sUnknown_02037619[0] = 0;
     sUnknown_02037619[1] = 0;
-    while (!InitStartMenuStep());
+    while (!InitStartMenuStep())
+        ;
 }
 
 static void StartMenuTask(u8 taskId)
 {
     if (InitStartMenuStep() == TRUE)
-    {
         SwitchTaskToFollowupFunc(taskId);
-    }
 }
 
 static void CreateStartMenuTask(TaskFunc followupFunc)
@@ -544,18 +536,14 @@ void sub_809FA34(u8 taskId) // Referenced in field_screen.s and rom_8011DC0.s
     {
     case 0:
         if (InUnionRoom() == TRUE)
-        {
             var_800D_set_xB();
-        }
 
         gMenuCallback = HandleStartMenuInput;
         task->data[0]++;
         break;
     case 1:
         if (gMenuCallback() == TRUE)
-        {
             DestroyTask(taskId);
-        }
         break;
     }
 }
@@ -591,9 +579,8 @@ static bool8 HandleStartMenuInput(void)
         PlaySE(SE_SELECT);
         if (sStartMenuItems[sCurrentStartMenuActions[sStartMenuCursorPos]].func.u8_void == StartMenuPokedexCallback)
         {
-            if (GetNationalPokedexCount(0) == 0) {
+            if (GetNationalPokedexCount(0) == 0)
                 return FALSE;
-            }
         }
 
         gMenuCallback = sStartMenuItems[sCurrentStartMenuActions[sStartMenuCursorPos]].func.u8_void;
@@ -689,17 +676,11 @@ static bool8 StartMenuPlayerNameCallback(void)
         CleanupOverworldWindowsAndTilemaps();
 
         if (is_c1_link_related_active() || InUnionRoom())
-        {
-            sub_80C4DDC(CB2_ReturnToFieldWithOpenMenu); // Display trainer card
-        }
+            ShowPlayerTrainerCard(CB2_ReturnToFieldWithOpenMenu); // Display trainer card
         else if (FlagGet(FLAG_SYS_FRONTIER_PASS))
-        {
             sub_80C51C4(CB2_ReturnToFieldWithOpenMenu); // Display frontier pass
-        }
         else
-        {
-            sub_80C4DDC(CB2_ReturnToFieldWithOpenMenu); // Display trainer card
-        }
+            ShowPlayerTrainerCard(CB2_ReturnToFieldWithOpenMenu); // Display trainer card
 
         return TRUE;
     }
@@ -710,9 +691,7 @@ static bool8 StartMenuPlayerNameCallback(void)
 static bool8 StartMenuSaveCallback(void)
 {
     if (InBattlePyramid())
-    {
         RemoveExtraStartMenuWindows();
-    }
 
     gMenuCallback = SaveStartCallback; // Display save menu
 
@@ -758,7 +737,7 @@ static bool8 StartMenuLinkModePlayerNameCallback(void)
     {
         PlayRainSoundEffect();
         CleanupOverworldWindowsAndTilemaps();
-        TrainerCard_ShowLinkCard(gUnknown_03005DB4, CB2_ReturnToFieldWithOpenMenu);
+        ShowTrainerCardInLink(gUnknown_03005DB4, CB2_ReturnToFieldWithOpenMenu);
 
         return TRUE;
     }