Decompile pokenav_unk_4.c through sub_81CB678()

2 files changed, 250 insertions, 6 deletions

diff --git a/src/pokenav_match_call_ui.c b/src/pokenav_match_call_ui.c
index 8134fc00e..72449c7c0 100644
--- a/src/pokenav_match_call_ui.c
+++ b/src/pokenav_match_call_ui.c
@@ -505,7 +505,7 @@ struct MatchCallWindowState *GetMatchCallWindowStruct(void)
     return &structPtr->unk888;
 }
 
-u32 MatchCall_MoveCursorUp(void)
+int MatchCall_MoveCursorUp(void)
 {
     struct MatchCallWindowState *structPtr;
     structPtr = GetMatchCallWindowStruct();
@@ -529,7 +529,7 @@ u32 MatchCall_MoveCursorUp(void)
     }
 }
 
-u32 MatchCall_MoveCursorDown(void)
+int MatchCall_MoveCursorDown(void)
 {
     struct MatchCallWindowState *structPtr;
     structPtr = GetMatchCallWindowStruct();
@@ -554,7 +554,7 @@ u32 MatchCall_MoveCursorDown(void)
     return 2;
 }
 
-u32 MatchCall_PageUp(void)
+int MatchCall_PageUp(void)
 {
     struct MatchCallWindowState *structPtr;
     s32 scroll;
@@ -580,7 +580,7 @@ u32 MatchCall_PageUp(void)
     }
 }
 
-u32 MatchCall_PageDown(void)
+int MatchCall_PageDown(void)
 {
     struct MatchCallWindowState *structPtr;
     structPtr = GetMatchCallWindowStruct();
diff --git a/src/pokenav_unk_4.c b/src/pokenav_unk_4.c
index c07794126..9a90090ac 100755
--- a/src/pokenav_unk_4.c
+++ b/src/pokenav_unk_4.c
@@ -1,6 +1,10 @@
 #include "global.h"
+#include "bg.h"
+#include "menu.h"
 #include "pokenav.h"
+#include "sound.h"
 #include "window.h"
+#include "constants/songs.h"
 
 struct Pokenav4Struct
 {
@@ -14,15 +18,34 @@ struct Pokenav4Struct
     u8 unk14;
     u8 filler15[0x4];
     u8 unk19;
-    u8 filler1A[0x202E];
+    u8 filler1A[0xA];
+    u8 unk24[0x800];
+    u8 unk824[0x800];
+    u8 unk1024[0x800];
+    u8 unk1824[0x824];
 };
 
 static bool32 sub_81CB310(void);
-u32 sub_81CB324(int);
+static u32 sub_81CB324(int);
 void sub_81CBC1C(void);
 void sub_81CC2B4(void);
+void sub_81CC034(struct Pokenav4Struct *);
+void sub_81CBBB8(void);
+void sub_81CBD78(struct Pokenav4Struct *);
+void sub_81CBDC0(struct Pokenav4Struct *);
+void sub_81CBEF8(struct Pokenav4Struct *, int);
+void sub_81CC214(void);
+void sub_81CBC38(int);
 
 extern const LoopedTask gUnknown_08622798[];
+extern const struct BgTemplate gUnknown_0862278C[3];
+extern const u16 gUnknown_08622510[];
+extern const u32 gUnknown_08622530[];
+extern const u32 gUnknown_08622760[];
+extern const u16 gUnknown_08622700[];
+extern const u16 gUnknown_08622720[];
+extern const u8 gUnknown_086225D4[];
+extern const u16 gUnknown_086226E0[];
 
 bool32 sub_81CB260(void)
 {
@@ -65,3 +88,224 @@ static bool32 sub_81CB310(void)
     struct Pokenav4Struct *state = GetSubstructPtr(6);
     return IsLoopedTaskActive(state->unk4);
 }
+
+static u32 sub_81CB324(int taskState)
+{
+    struct Pokenav4Struct *state = GetSubstructPtr(6);
+    switch (taskState)
+    {
+    case 0:
+        InitBgTemplates(gUnknown_0862278C, ARRAY_COUNT(gUnknown_0862278C));
+        ChangeBgX(2, 0, 0);
+        ChangeBgY(2, 0, 0);
+        decompress_and_copy_tile_data_to_vram(2, gUnknown_08622530, 0, 0, 0);
+        SetBgTilemapBuffer(2, state->unk1024);
+        CopyToBgTilemapBuffer(2, gUnknown_086225D4, 0, 0);
+        CopyBgTilemapBufferToVram(2);
+        CopyPaletteIntoBufferUnfaded(gUnknown_08622510, 0x20, 0x20);
+        CopyBgTilemapBufferToVram(2);
+        return 0;
+    case 1:
+        if (free_temp_tile_data_buffers_if_possible())
+            return 2;
+
+        sub_8199DF0(1, 0, 0, 1);
+        SetBgTilemapBuffer(1, state->unk24);
+        FillBgTilemapBufferRect_Palette0(1, 0x1000, 0, 0, 32, 20);
+        CopyPaletteIntoBufferUnfaded(gUnknown_086226E0, 0x10, 0x20);
+        CopyBgTilemapBufferToVram(1);
+        return 0;
+    case 2:
+        if (free_temp_tile_data_buffers_if_possible())
+            return 2;
+
+        sub_81CC034(state);
+        decompress_and_copy_tile_data_to_vram(3, gUnknown_08622760, 0, 0, 0);
+        CopyPaletteIntoBufferUnfaded(gUnknown_08622700, 0x30, 0x20);
+        CopyPaletteIntoBufferUnfaded(gUnknown_08622720, 0x50, 0x20);
+        return 0;
+    case 3:
+        if (free_temp_tile_data_buffers_if_possible() || !sub_81CAE28())
+            return 2;
+
+        sub_81CBBB8();
+        return 0;
+    case 4:
+        if (sub_81C8224())
+            return 2;
+
+        sub_81CBD78(state);
+        return 0;
+    case 5:
+        sub_81CBDC0(state);
+        sub_81CBEF8(state, 0);
+        return 0;
+    case 6:
+        ChangeBgX(1, 0, 0);
+        ChangeBgY(1, 0, 0);
+        ShowBg(2);
+        ShowBg(3);
+        ShowBg(1);
+        sub_81CC214();
+        LoadLeftHeaderGfxForIndex(3);
+        sub_81C7FA0(3, 1, 0);
+        sub_81C7AC0(1);
+        return 0;
+    case 7:
+        if (IsPaletteFadeActive() || sub_81C8010())
+            return 2;
+
+        sub_81CBC38(1);
+        return 4;
+    default:
+        return 4;
+    }
+}
+
+u32 sub_81CB510(int taskState)
+{
+    struct Pokenav4Struct *state = GetSubstructPtr(6);
+    switch (taskState)
+    {
+    case 0:
+        switch (MatchCall_MoveCursorDown())
+        {
+            case 0:
+                break;
+            case 1:
+                PlaySE(SE_SELECT);
+                return 7;
+            case 2:
+                PlaySE(SE_SELECT);
+                // fall through
+            default:
+                return 0;
+        }
+        break;
+    case 1:
+        if (sub_81C8630())
+            return 2;
+
+        sub_81CBEF8(state, 0);
+        return 0;
+    case 2:
+        sub_81CBEF8(state, 0);
+        return 0;
+    case 3:
+        if (IsDma3ManagerBusyWithBgCopy())
+            return 2;
+        break;
+    }
+    return 4;
+}
+
+u32 sub_81CB588(int taskState)
+{
+    struct Pokenav4Struct *state = GetSubstructPtr(6);
+    switch (taskState)
+    {
+    case 0:
+        switch (MatchCall_MoveCursorUp())
+        {
+            case 0:
+                break;
+            case 1:
+                PlaySE(SE_SELECT);
+                return 7;
+            case 2:
+                PlaySE(SE_SELECT);
+                // fall through
+            default:
+                return 0;
+        }
+        break;
+    case 1:
+        if (sub_81C8630())
+            return 2;
+
+        sub_81CBEF8(state, 0);
+        return 0;
+    case 2:
+        sub_81CBEF8(state, 0);
+        return 0;
+    case 3:
+        if (IsDma3ManagerBusyWithBgCopy())
+            return 2;
+        break;
+    }
+    return 4;
+}
+
+u32 sub_81CB600(int taskState)
+{
+    struct Pokenav4Struct *state = GetSubstructPtr(6);
+    switch (taskState)
+    {
+    case 0:
+        switch (MatchCall_PageDown())
+        {
+            case 0:
+                break;
+            case 1:
+                PlaySE(SE_SELECT);
+                return 7;
+            case 2:
+                PlaySE(SE_SELECT);
+                // fall through
+            default:
+                return 0;
+        }
+        break;
+    case 1:
+        if (sub_81C8630())
+            return 2;
+
+        sub_81CBEF8(state, 0);
+        return 0;
+    case 2:
+        sub_81CBEF8(state, 0);
+        return 0;
+    case 3:
+        if (IsDma3ManagerBusyWithBgCopy())
+            return 2;
+        break;
+    }
+    return 4;
+}
+
+u32 sub_81CB678(int taskState)
+{
+    struct Pokenav4Struct *state = GetSubstructPtr(6);
+    switch (taskState)
+    {
+    case 0:
+        switch (MatchCall_PageUp())
+        {
+            case 0:
+                break;
+            case 1:
+                PlaySE(SE_SELECT);
+                return 7;
+            case 2:
+                PlaySE(SE_SELECT);
+                // fall through
+            default:
+                return 0;
+        }
+        break;
+    case 1:
+        if (sub_81C8630())
+            return 2;
+
+        sub_81CBEF8(state, 0);
+        return 0;
+    case 2:
+        sub_81CBEF8(state, 0);
+        return 0;
+    case 3:
+        if (IsDma3ManagerBusyWithBgCopy())
+            return 2;
+        break;
+    }
+    return 4;
+}