Start porting/decompiling roulette

5 files changed, 1061 insertions, 8 deletions

diff --git a/src/decoration.c b/src/decoration.c
index 438f2cbd1..c4c3d6171 100644
--- a/src/decoration.c
+++ b/src/decoration.c
@@ -1629,7 +1629,7 @@ void sub_8128950(u8 taskId)
 void sub_81289D0(u8 taskId)
 {
     DisplayYesNoMenu();
-    sub_8121F68(taskId, &gUnknown_085A72C4);
+    DoYesNoFuncWithChoice(taskId, &gUnknown_085A72C4);
 }
 
 void sub_81289F0(u8 taskId)
@@ -1694,7 +1694,7 @@ void sub_8128AAC(u8 taskId)
 void sub_8128B80(u8 taskId)
 {
     DisplayYesNoMenu();
-    sub_8121F68(taskId, &gUnknown_085A72CC);
+    DoYesNoFuncWithChoice(taskId, &gUnknown_085A72CC);
 }
 
 void sub_8128BA0(u8 taskId)
@@ -2589,7 +2589,7 @@ void sub_812A0E8(u8 taskId)
 void sub_812A1A0(u8 taskId)
 {
     DisplayYesNoMenu();
-    sub_8121F68(taskId, &gUnknown_085A7348);
+    DoYesNoFuncWithChoice(taskId, &gUnknown_085A7348);
 }
 
 void sub_812A1C0(u8 taskId)
@@ -2602,7 +2602,7 @@ void sub_812A1C0(u8 taskId)
 void sub_812A1F0(u8 taskId)
 {
     DisplayYesNoMenu();
-    sub_8121F68(taskId, &gUnknown_085A7350);
+    DoYesNoFuncWithChoice(taskId, &gUnknown_085A7350);
 }
 
 void sub_812A210(u8 taskId)
@@ -2726,7 +2726,7 @@ void sub_812A3D4(u8 taskId)
 void sub_812A458(u8 taskId)
 {
     DisplayYesNoMenu();
-    sub_8121F68(taskId, &gUnknown_085A741C);
+    DoYesNoFuncWithChoice(taskId, &gUnknown_085A741C);
 }
 
 void sub_812A478(u8 taskId)
diff --git a/src/menu_helpers.c b/src/menu_helpers.c
index 0adc6228e..e6547b300 100644
--- a/src/menu_helpers.c
+++ b/src/menu_helpers.c
@@ -152,7 +152,7 @@ static void Task_ContinueTaskAfterMessagePrints(u8 taskId)
         gUnknown_0300117C(taskId);
 }
 
-void sub_8121F68(u8 taskId, const struct YesNoFuncTable *data)
+void DoYesNoFuncWithChoice(u8 taskId, const struct YesNoFuncTable *data)
 {
     gUnknown_0203A138 = *data;
     gTasks[taskId].func = Task_CallYesOrNoCallback;
diff --git a/src/roulette.c b/src/roulette.c
new file mode 100644
index 000000000..8a483e123
--- /dev/null
+++ b/src/roulette.c
@@ -0,0 +1,1053 @@
+#include "global.h"
+#include "alloc.h"
+#include "bg.h"
+#include "coins.h"
+#include "event_data.h"
+#include "gpu_regs.h"
+#include "m4a.h"
+#include "main.h"
+#include "menu.h"
+#include "menu_helpers.h"
+#include "palette.h"
+#include "random.h"
+#include "roulette.h"
+#include "roulette_util.h"
+#include "rtc.h"
+#include "scanline_effect.h"
+#include "sound.h"
+#include "sprite.h"
+#include "task.h"
+#include "trig.h"
+#include "tv.h"
+#include "window.h"
+#include "constants/species.h"
+#include "constants/songs.h"
+
+struct StructgUnknown_083F8DF4
+{
+    u8 var00;
+    u8 var01;
+    u8 var02;
+    u8 var03;
+    u8 var04;
+    u8 v[0x3];
+    u16 var08;
+    u16 var0A;
+    u16 var0C;
+    u16 v13[0x1];
+    u16 var10;
+    u16 var12;
+    u16 var14;
+    u8 v1[0x2];
+    u16 var18;
+    u16 var1A;
+    float var1C;
+};
+
+struct StructgUnknown_083F8C00
+{
+    u8 var00;
+    u8 var01_0:4;
+    u8 var01_4:4;
+    u8 var02;
+    u8 var03;
+    u8 var04;
+    u8 var05;
+    u8 var06;
+    u8 var07;
+    u32 var08;
+    u32 var0C;
+    u16 var10;
+    u16 var12;
+};
+
+extern struct Roulette
+{
+    u8 var00;
+    u8 var01;
+    u8 var02;
+    u8 var03_0:5;
+    u8 var03_5:1;
+    u8 var03_6:1;
+    u8 var03_7:1;
+    u8 var04_0:2;
+    u8 var04_2:5;
+    u8 var04_7:1;
+    u32 var08;
+    u8 var0C[0x6];
+    u8 var12[0x4];
+    u8 var16[0x3];
+    u8 var19;
+    u8 var1A_0:4;
+    u8 var1A_4:4;
+    u8 var1B[0x6];
+    u8 var21;
+    u8 var22;
+    u8 var23;
+    s16 var24;
+    s16 var26;
+    s16 var28;
+    s16 var2A;
+    struct OamMatrix var2C;
+    u16 var34;
+    struct Sprite *var38;
+    u8 var3C[0x40]; // Sprite IDs
+    u8 var7C;
+    u8 var7D;
+    u8 var7E;
+    u8 var7F;
+    s16 var80;
+    s16 var82;
+    s16 var84;
+    s16 var86;
+    float var88;
+    float var8C;
+    float var90;
+    float var94;
+    float var98;
+    float var9C;
+    float varA0;
+    u8 varA4;
+    u8 varA5;
+    u8 v51[0x2];
+    u16 varA8;
+    u16 varAA;
+    TaskFunc varAC;
+    u8 v46[0x4];
+    TaskFunc varB4;
+    struct UnkStruct0 varB8;
+    u16 tilemapBuffers[7][0x400];
+    u16 *unk_397C;
+} *gUnknown_0203AB88;
+extern u8 gUnknown_0203AB8C;
+
+/*static*/ void sub_8140814(u8);
+/*static*/ void sub_81408A8(u8);
+/*static*/ void sub_8140968(u8);
+/*static*/ void sub_8140BD0(u8);
+/*static*/ void sub_8141040(u8);
+/*static*/ void sub_81410FC(u8);
+/*static*/ void sub_8141344(u8);
+/*static*/ void sub_814155C(u8);
+/*static*/ void sub_8141DE4(u8);
+/*static*/ void sub_8141F7C(u8 taskId, TaskFunc r1, u16 r2, u16 r3);
+/*static*/ void sub_8141FF4(u8);
+/*static*/ void sub_8142070(void);
+/*static*/ void sub_8142284(u8);
+/*static*/ void sub_81424FC(u8);
+/*static*/ u8 sub_8142758(u8);
+/*static*/ void sub_8142814(void);
+/*static*/ void sub_8142C0C(u8);
+/*static*/ void sub_8142CD0(void);
+/*static*/ void sub_8142E70(u8, u8);
+/*static*/ void sub_8142F7C(void);
+/*static*/ void sub_8143038(u8, u8);
+/*static*/ void sub_81431E4(void);
+/*static*/ void sub_8143314(void);
+/*static*/ void sub_8143514(u16);
+/*static*/ void sub_81436D0(u8);
+/*static*/ void sub_814372C(u8);
+/*static*/ void sub_814391C(void);
+/*static*/ void sub_81439C8(void);
+/*static*/ void sub_8143A40(void);
+
+extern const struct BgTemplate gUnknown_085B6140[3];
+extern const struct WindowTemplate gUnknown_085B614C[];
+extern const u32 gUnknown_085B5DFC[];
+extern const u16 gUnknown_085B6418[];
+extern const struct StructgUnknown_083F8DF4 gUnknown_085B6348[];
+extern const u8 gUnknown_085B6344[];
+extern const struct UnkStruct1 gUnknown_085B6388[];
+extern const u16 gUnknown_085B5BFC[];
+extern const u32 gRouletteMenuTiles[];
+extern const u32 gRouletteWheelTiles[];
+extern const u32 gUnknown_085B5FA0[];
+extern const u8 gUnknown_082A5B89[];
+extern const u8 gUnknown_082A5C13[];
+extern const struct YesNoFuncTable gUnknown_085B6410;
+extern const struct StructgUnknown_083F8C00 gUnknown_085B6154[];
+extern const u8 gUnknown_085B641E[];
+extern const u16 gUnknown_085B6422;
+
+void sub_8140238(void)
+{
+	RunTasks();
+	AnimateSprites();
+	BuildOamBuffer();
+	if (gUnknown_0203AB88->varB8.var00)
+	   task_tutorial_controls_fadein(&gUnknown_0203AB88->varB8);
+}
+
+void sub_8140264(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+    sub_8142814();
+    SetGpuReg(REG_OFFSET_BG1HOFS, 0x200 - gUnknown_0203AB88->var26);
+    if (gUnknown_0203AB88->var01)
+        SetGpuReg(REG_OFFSET_BLDALPHA, gUnknown_0203AB88->var34);
+    if (gUnknown_0203AB88->var2A != 0)
+    {
+        DmaCopy16(3, &gUnknown_0203AB88->tilemapBuffers[2][0xE0], (void *)BG_SCREEN_ADDR(4) + 0x1C0, 0x340);
+        gUnknown_0203AB88->var2A = 0;
+    }
+    switch (gUnknown_0203AB88->var28)
+    {
+    case 1:
+        SetBgAttribute(0, BG_ATTR_CHARBASEINDEX, 0);
+        ShowBg(0);
+        DmaCopy16(3, &gUnknown_0203AB88->tilemapBuffers[0][0xE0], (void *)BG_SCREEN_ADDR(31) + 0x1C0, 0x340);
+        gUnknown_0203AB88->var28 = 2;
+        break;
+    case 2:
+        DmaCopy16(3, &gUnknown_0203AB88->tilemapBuffers[0][0xE0], (void *)BG_SCREEN_ADDR(31) + 0x1C0, 0x340);
+        break;
+    case 0xFF:
+        SetBgAttribute(0, BG_ATTR_CHARBASEINDEX, 2);
+        ShowBg(0);
+        DmaFill16(3, 0, (void *)BG_SCREEN_ADDR(31) + 0x1C0, 0x340);
+        gUnknown_0203AB88->var28 = 0;
+    case 0:
+        break;
+    }
+}
+
+void sub_8140388(void)
+{
+    u32 size = 0;
+
+    gUnknown_0203AB88 = AllocZeroed(sizeof(*gUnknown_0203AB88));
+    ResetBgsAndClearDma3BusyFlags(0);
+    InitBgsFromTemplates(1, gUnknown_085B6140, ARRAY_COUNT(gUnknown_085B6140));
+    SetBgTilemapBuffer(0, gUnknown_0203AB88->tilemapBuffers[0]);
+    SetBgTilemapBuffer(1, gUnknown_0203AB88->tilemapBuffers[2]);
+    SetBgTilemapBuffer(2, gUnknown_0203AB88->tilemapBuffers[6]);
+    InitWindows(gUnknown_085B614C);
+    sub_8197200();
+    gUnknown_0203AB8C = 0;
+    gUnknown_0203AB88->unk_397C = malloc_and_decompress(gUnknown_085B5DFC, &size);
+}
+
+void sub_8140418(void)
+{
+    FREE_AND_SET_NULL(gUnknown_0203AB88->unk_397C);
+    FreeAllWindowBuffers();
+    UnsetBgTilemapBuffer(0);
+    UnsetBgTilemapBuffer(1);
+    UnsetBgTilemapBuffer(2);
+    ResetBgsAndClearDma3BusyFlags(0);
+    memset(gUnknown_0203AB88, 0, sizeof(*gUnknown_0203AB88));
+    FREE_AND_SET_NULL(gUnknown_0203AB88);
+}
+
+void sub_8140470(void)
+{
+    u8 i;
+    u16 arr[3]; // the third is never used ?
+
+    memcpy(arr, &gUnknown_085B6418, sizeof(arr));
+    gUnknown_0203AB88->var04_0 = (gSpecialVar_0x8004 & 1);
+
+    if (gSpecialVar_0x8004 & 0x80)
+        gUnknown_0203AB88->var04_7 = 1;
+
+    gUnknown_0203AB88->var22 = gUnknown_085B6348[gUnknown_0203AB88->var04_0].var03;
+    gUnknown_0203AB88->var23 = gUnknown_085B6348[gUnknown_0203AB88->var04_0].var04;
+    gUnknown_0203AB88->var19 = gUnknown_085B6344[gUnknown_0203AB88->var04_0 + gUnknown_0203AB88->var04_7 * 2];
+    gUnknown_0203AB88->var1A_4 = 1;
+
+    if (gUnknown_0203AB88->var19 == 1)
+        gPlttBufferUnfaded[0] = gPlttBufferUnfaded[0x51] = gPlttBufferFaded[0] = gPlttBufferFaded[0x51] = arr[0];
+    else
+        gPlttBufferUnfaded[0] = gPlttBufferUnfaded[0x51] = gPlttBufferFaded[0] = gPlttBufferFaded[0x51] = arr[1];
+
+    sub_8151678(&gUnknown_0203AB88->varB8);
+
+    for (i = 0; i < 13; i++)
+    {
+        sub_815168C(&gUnknown_0203AB88->varB8, i, &gUnknown_085B6388[i]);
+    }
+    
+    for (i = 0; i < PARTY_SIZE; i++)
+    {
+        switch (GetMonData(&gPlayerParty[i], MON_DATA_SPECIES2))
+        {
+        case SPECIES_SHROOMISH:
+            gUnknown_0203AB88->var02 |= 0x1;
+            break;
+        case SPECIES_TAILLOW:
+            gUnknown_0203AB88->var02 |= 0x2;
+            break;
+        }
+    }
+    RtcCalcLocalTime();
+}
+
+void sub_81405CC(void)
+{
+    u8 taskId;
+
+    switch (gMain.state)
+    {
+    case 0:
+        SetVBlankCallback(NULL);
+        ScanlineEffect_Stop();
+        SetVBlankHBlankCallbacksToNull();
+        ResetVramOamAndBgCntRegs();
+        ResetAllBgsCoordinates();
+        break;
+    case 1:
+        sub_8140388();
+        DeactivateAllTextPrinters();
+        SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_EFFECT_NONE |
+                                     BLDCNT_TGT2_BG2 |
+                                     BLDCNT_TGT2_BD);
+        SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(10, 6));
+        break;
+    case 2:
+        ResetPaletteFade();
+        ResetSpriteData();
+        ResetTasks();
+        reset_temp_tile_data_buffers();
+        break;
+    case 3:
+        LoadPalette(&gUnknown_085B5BFC, 0, 0x1C0);
+        decompress_and_copy_tile_data_to_vram(1, gRouletteMenuTiles, 0, 0, 0);
+        decompress_and_copy_tile_data_to_vram(2, gRouletteWheelTiles, 0, 0, 0);
+        break;
+    case 4:
+        if (free_temp_tile_data_buffers_if_possible())
+            return;
+        
+        sub_8140470();
+        CopyToBgTilemapBuffer(2, gUnknown_085B5FA0, 0, 0);
+        break;
+    case 5:
+        sub_8142C0C(0);
+        sub_81439C8();
+        sub_814391C();
+        sub_8143314();
+        sub_8142CD0();
+        sub_8142F7C();
+        sub_81431E4();
+        break;
+    case 6:
+        AnimateSprites();
+        BuildOamBuffer();
+        sub_8143514(GetCoins());
+        sub_814372C(6);
+        sub_81436D0(0);
+        sub_81424FC(0);
+        NewMenuHelpers_DrawStdWindowFrame(gUnknown_0203AB8C, FALSE);
+        AddTextPrinterParameterized(gUnknown_0203AB8C, 1, gUnknown_082A5B89, 0, 1, TEXT_SPEED_FF, NULL);
+        CopyWindowToVram(gUnknown_0203AB8C, 3);
+        gSpriteCoordOffsetX = -0x3C;
+        gSpriteCoordOffsetY = 0x0;
+        break;
+    case 7:
+        SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_MODE_0 |
+                                      DISPCNT_OBJ_1D_MAP |
+                                      DISPCNT_OBJ_ON);
+        CopyBgTilemapBufferToVram(1);
+        CopyBgTilemapBufferToVram(2);
+        ShowBg(0);
+        ShowBg(1);
+        ShowBg(2);
+        break;
+    case 8:
+        EnableInterrupts(INTR_FLAG_VBLANK);
+        SetVBlankCallback(sub_8140264);
+        BeginHardwarePaletteFade(0xFF, 0, 16, 0, 1);
+        taskId = gUnknown_0203AB88->varA4 = CreateTask(sub_81408A8, 0);
+        gTasks[taskId].data[6] = 6;
+        gTasks[taskId].data[13] = GetCoins();
+        sub_80EDE84(GetCoins());
+        gUnknown_0203AB88->varA5 = CreateTask(sub_8140814, 1);
+        SetMainCallback2(sub_8140238);
+        return;
+    }
+    gMain.state++;
+}
+
+void sub_8140814(u8 unused)
+{
+    s16 sin;
+    s16 cos;
+
+    if (gUnknown_0203AB88->var21++ == gUnknown_0203AB88->var23)
+    {
+        gUnknown_0203AB88->var21 = 0;
+        if ((gUnknown_0203AB88->var24 -= gUnknown_0203AB88->var22) < 0)
+            gUnknown_0203AB88->var24 = 360 - gUnknown_0203AB88->var22;
+    }
+    sin = Sin2(gUnknown_0203AB88->var24);
+    cos = Cos2(gUnknown_0203AB88->var24);
+    sin = sin / 16;
+    gUnknown_0203AB88->var2C.a = gUnknown_0203AB88->var2C.d = cos / 16;
+    gUnknown_0203AB88->var2C.b =  sin;
+    gUnknown_0203AB88->var2C.c = -sin;
+}
+
+void sub_81408A8(u8 taskId)
+{
+    if (UpdatePaletteFade() == 0)
+    {
+        SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_EFFECT_NONE |
+                                     BLDCNT_TGT2_BG2 |
+                                     BLDCNT_TGT2_BD);
+        SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(8, 8));
+        gTasks[taskId].data[6] = 0;
+        sub_8141FF4(taskId);
+        sub_8142070();
+        sub_8143A40();
+        sub_81424FC(0);
+        sub_814372C(6);
+        sub_8141F7C(taskId, sub_8140968, 0xFFFF, 0x3);
+    }
+}
+
+void sub_8140914(u8 taskId)
+{
+    DisplayYesNoMenu();
+    NewMenuHelpers_DrawStdWindowFrame(gUnknown_0203AB8C, 0);
+    AddTextPrinterParameterized(gUnknown_0203AB8C, 1, gUnknown_082A5C13, 0, 1, TEXT_SPEED_FF, 0);
+    CopyWindowToVram(gUnknown_0203AB8C, 3);
+    DoYesNoFuncWithChoice(taskId, &gUnknown_085B6410);
+}
+
+void sub_8140968(u8 taskId)
+{
+    sub_819746C(0, TRUE);
+    gTasks[taskId].func = sub_8140BD0;
+}
+
+void sub_8140994(u8 taskId)
+{
+    DestroyTask(gUnknown_0203AB88->varA5);
+    sub_8141DE4(taskId);
+}
+
+void sub_81409B8(u8 r0)
+{
+    u8 temp0, temp1;
+    switch (r0)
+    {
+    case 0:
+        sub_8152008(&gUnknown_0203AB88->tilemapBuffers[0][0], 0, 14, 7, 16, 13);
+        break;
+    case 1:
+    case 2:
+    case 3:
+    case 4:
+        temp0 = (r0 * 3 + 14);
+        sub_8152008(&gUnknown_0203AB88->tilemapBuffers[0][0], 0, 14, 7, 16, 13);
+        sub_8152058(&gUnknown_0203AB88->tilemapBuffers[0][0], &gUnknown_0203AB88->unk_397C[281], temp0, 7, 3, 13);
+        break;
+    case 0x5:
+    case 0xA:
+    case 0xF:
+        temp1 = ((r0 - 1) / 5 * 3 + 10);
+        sub_8152008(&gUnknown_0203AB88->tilemapBuffers[0][0], 0, 14, 7, 16, 13);
+        sub_8152058(&gUnknown_0203AB88->tilemapBuffers[0][0], &gUnknown_0203AB88->unk_397C[320], 14, temp1, 16, 3);
+        break;
+    default:
+        temp0 = ((r0 % 5) * 3 + 14);
+        temp1 = ((r0 - 1) / 5 * 3 + 7);
+        sub_8152008(&gUnknown_0203AB88->tilemapBuffers[0][0], 0, 14, 7, 16, 13);
+        sub_8152058(&gUnknown_0203AB88->tilemapBuffers[0][0], &gUnknown_0203AB88->unk_397C[272], temp0, temp1, 3, 3);
+        break;
+    }
+}
+
+void sub_8140B64(u8 taskId)
+{
+    sub_81436D0(gTasks[taskId].data[4]);
+    sub_81409B8(gTasks[taskId].data[4]);
+}
+
+void sub_8140B8C(u8 taskId)
+{
+    gUnknown_0203AB88->var28 = 1;
+    sub_81409B8(gTasks[taskId].data[4]);
+    gUnknown_0203AB88->var23 = 2;
+    gUnknown_0203AB88->var21 = 0;
+    gTasks[taskId].func = sub_8141040;
+}
+
+void sub_8140BD0(u8 taskId)
+{
+    s16 i;
+
+    if (gUnknown_0203AB88->var08 & 0x20)
+    {
+        for (i = 11; i < 14; i++)
+        {
+            if ((gUnknown_0203AB88->var08 & gUnknown_085B6154[i].var08) == 0)
+                break;
+        }
+    }
+    else
+    {
+        for (i = 6; i < 10; i++)
+        {
+            if ((gUnknown_0203AB88->var08 & gUnknown_085B6154[i].var08) == 0)
+                break;
+        }
+    }
+    gTasks[taskId].data[4] = i;
+    sub_8141FF4(taskId);
+    sub_81424FC(gTasks[taskId].data[4]);
+    sub_81436D0(gTasks[taskId].data[4]);
+    sub_8142284(gTasks[taskId].data[4]);
+    gTasks[taskId].data[1] = 0;
+    gTasks[taskId].func = sub_8140B8C;
+}
+
+u8 sub_8140CA8(s16 *r0, u8 r1)
+{
+    s8 temp1 = 0;
+    s8 temp = 0;
+    s8 arr[4];
+    s8 t;
+
+    memcpy(&arr, gUnknown_085B641E, sizeof(arr));
+    t = *r0;
+
+    switch (r1)
+    {
+    case 0:
+    case 1:
+        temp1 = (*r0 % 5);
+        temp = temp1 + 15;
+        if (temp1 == 0)
+            temp1 = 5;
+        break;
+    case 2:
+    case 3:
+        temp1 = (*r0 / 5) * 5;
+        temp = temp1 + 4;
+        if (temp1 == 0)
+            temp1 = 1;
+        break;
+    }
+
+    *r0 += arr[r1];
+
+    if (*r0 < temp1)
+        *r0 = temp;
+
+    if (*r0 > temp)
+        *r0 = temp1;
+
+    if (*r0 != t)
+        return TRUE;
+
+    return FALSE;
+}
+
+void sub_8140D6C(u8 r0)
+{
+    u8 z = 0;
+    bool8 var0 = FALSE;
+    if (!(gMain.newKeys & DPAD_UP) || ((var0 = TRUE), sub_8140CA8(&gTasks[r0].data[4], 0)))
+        if (!(gMain.newKeys & DPAD_DOWN) || ((var0 = TRUE), sub_8140CA8(&gTasks[r0].data[4], 1)))
+            if (!(gMain.newKeys & DPAD_LEFT) || ((var0 = TRUE), sub_8140CA8(&gTasks[r0].data[4], 2)))
+                if (!(gMain.newKeys & DPAD_RIGHT) || ((var0 = TRUE), sub_8140CA8(&gTasks[r0].data[4], 3)))
+                    if (var0)
+                    {
+                        u8 i;
+                        struct Roulette *roulette;
+                        sub_81424FC(gTasks[r0].data[4]);
+                        sub_8140B64(r0);
+                        gTasks[r0].data[1] = z;
+                        PlaySE(SE_SELECT);
+                        sub_8151A9C(&gUnknown_0203AB88->varB8, 0xFFFF);
+                        roulette = gUnknown_0203AB88;
+                        roulette->varB8.var04[15].var00_7 = 0;
+                        roulette->varB8.var04[14].var00_7 = 0;
+                        roulette->varB8.var04[13].var00_7 = 0;
+                        sub_8142284(gTasks[r0].data[4]);
+                        for (i = 0; i < 4; i++)
+                        {
+                            gSprites[gUnknown_0203AB88->var3C[i + 41]].oam.tileNum =
+                            gSprites[gUnknown_0203AB88->var3C[i + 41]].sheetTileStart
+                            + (*gSprites[gUnknown_0203AB88->var3C[i + 41]].anims)->type;
+                        }
+                        if ((u16)(gTasks[r0].data[4] - 1) < 4 && !(gUnknown_0203AB88->var08 & gUnknown_085B6154[gTasks[r0].data[4]].var08) )
+                        {
+                            z = gTasks[r0].data[4] - 1;
+                            gSprites[gUnknown_0203AB88->var3C[z + 41]].oam.tileNum =
+                            gSprites[gUnknown_0203AB88->var3C[z + 41]].sheetTileStart
+                            + (*gSprites[gUnknown_0203AB88->var3C[z + 41]].anims + 1)->type;
+                        }
+                    }
+}
+
+void sub_8140F6C(u8 r0)
+{
+    sub_80EECA4();
+    gUnknown_0203AB88->var28 = 0xFF;
+    if (gUnknown_0203AB88->var19 == 1)
+        gUnknown_0203AB88->var23 = 1;
+    else
+        gUnknown_0203AB88->var23 = 0;
+    gUnknown_0203AB88->var21 = 0;
+    gTasks[r0].data[1] = 32;
+    gTasks[r0].func = sub_81410FC;
+}
+
+void sub_8140FC4(u8 taskId)
+{
+    gUnknown_0203AB88->var1B[gUnknown_0203AB88->var1A_0] = gTasks[taskId].data[4];
+    gTasks[taskId].data[2] = sub_8142758(gUnknown_0203AB88->var1B[gUnknown_0203AB88->var1A_0]);
+    sub_81436D0(gUnknown_0203AB88->var1B[gUnknown_0203AB88->var1A_0]);
+    if ((gTasks[taskId].data[13] -= gUnknown_0203AB88->var19) < 0)
+        gTasks[taskId].data[13] = 0;
+    sub_8143514(gTasks[taskId].data[13]);
+    gTasks[taskId].func = &sub_8140F6C;
+}
+
+void sub_8141040(u8 taskId)
+{
+    sub_8140D6C(taskId);
+
+    switch (gTasks[taskId].data[0x1])
+    {
+    case 0:
+        sub_81409B8(gTasks[taskId].data[0x4]);
+        gTasks[taskId].data[0x1]+= 1;
+        break;
+    case 30:
+        sub_81409B8(0);
+        gTasks[taskId].data[0x1]+= 1;
+        break;
+    case 59:
+        gTasks[taskId].data[0x1] = 0;
+        break;
+    default:
+        gTasks[taskId].data[0x1]++;
+    }
+
+    if (gMain.newKeys & A_BUTTON)
+    {
+        if ((gUnknown_0203AB88->var08 & gUnknown_085B6154[gTasks[taskId].data[0x4]].var08))
+            PlaySE(SE_BOO);
+        else
+        {
+            m4aSongNumStart(SE_REGI);
+            gTasks[taskId].func = sub_8140FC4;
+        }
+    }
+}
+
+void sub_81410FC(u8 taskId)
+{
+    if (gTasks[taskId].data[0x1]-- > 0)
+    {
+        if (gTasks[taskId].data[0x1] > 0x2)
+            gSpriteCoordOffsetX += 0x2;
+        if ((gUnknown_0203AB88->var26 += 0x4) == 0x68)
+            gSprites[gUnknown_0203AB88->var3C[0x19]].callback = &SpriteCallbackDummy;
+    }
+    else
+    {
+        sub_8142E70(1, 0xFF);
+        sub_8143038(1, 0xFF);
+        gTasks[taskId].func = sub_8141344;
+        gTasks[taskId].data[0x1] = 0;
+    }
+}
+
+u8 sub_814118C(u16 r0, u16 r1)
+{
+    switch (gUnknown_0203AB88->var02)
+    {
+    case 1: // SHROOMISH
+    case 2: // TAILLOW
+        // one of the two is in party
+        if (gLocalTime.hours > 3 && gLocalTime.hours < 10)
+        {
+            if (r0 < 0xC || (r1 & 0x1))
+            {
+                return gUnknown_085B6348[gUnknown_0203AB88->var04_0].var02 / 2;
+            }
+            else
+            {
+                return 0x1;
+            }
+        }
+        else if (!(r1 & 0x3))
+        {
+            return gUnknown_085B6348[gUnknown_0203AB88->var04_0].var02 / 2;
+        }
+        else
+        {
+            return gUnknown_085B6348[gUnknown_0203AB88->var04_0].var02;
+        }
+        break;
+    case 3:
+        // both are in party
+        if (gLocalTime.hours > 3 && gLocalTime.hours < 11)
+        {
+            if (r0 < 0x6 || (r1 & 0x1))
+            {
+                return gUnknown_085B6348[gUnknown_0203AB88->var04_0].var02 / 2;
+            }
+            else
+            {
+                return 0x1;
+            }
+        }
+        else if ((r1 & 0x1) && r0 > 6)
+        {
+            return gUnknown_085B6348[gUnknown_0203AB88->var04_0].var02 / 4;
+        }
+        else
+        {
+            return gUnknown_085B6348[gUnknown_0203AB88->var04_0].var02 / 2;
+        }
+        break;
+    case 0:
+    default:
+        // neither is in party
+        if (gLocalTime.hours > 3 && gLocalTime.hours < 10)
+        {
+            if (!(r1 & 0x3))
+            {
+                return 0x1;
+            }
+            else
+            {
+                return gUnknown_085B6348[gUnknown_0203AB88->var04_0].var02 / 2;
+            }
+        }
+        else if (!(r1 & 0x3))
+        {
+            if (r0 > 12)
+            {
+                return gUnknown_085B6348[gUnknown_0203AB88->var04_0].var02 / 2;
+            }
+            else
+            {
+                return gUnknown_085B6348[gUnknown_0203AB88->var04_0].var02;
+            }
+        }
+        else if (r1 & 0x8000)
+        {
+            if (r0 > 12)
+            {
+                return gUnknown_085B6348[gUnknown_0203AB88->var04_0].var02;
+            }
+            else
+            {
+                return gUnknown_085B6348[gUnknown_0203AB88->var04_0].var01;
+            }
+        }
+        else
+        {
+            return gUnknown_085B6348[gUnknown_0203AB88->var04_0].var01 * 2;
+        }
+        break;
+    }
+}
+
+// r7/r8 swap
+#ifdef NONMATCHING
+void sub_8141344(u8 taskId)
+{
+    u8 randf;
+    s8 randfinal;
+    s8 r5;
+    u16 g = 0;
+    u16 rand;
+    u16 randmod;
+    u16 angles[4]; // angles in 90 degree steps
+
+    memcpy(angles, &gUnknown_085B6422, sizeof(angles));
+    rand = Random();
+    randmod = rand % 100;
+    gUnknown_0203AB88->var7C = gTasks[taskId].data[6];
+    gUnknown_0203AB88->var7D = gUnknown_0203AB88->var7E = gUnknown_0203AB88->var7F = g;
+    randf = sub_814118C(gTasks[taskId].data[8], rand);
+    randfinal = (rand % randf) - (randf / 2);
+
+    if (gLocalTime.hours < 13)
+        r5 = 0;
+    else
+        r5 = 1;
+
+    if (randmod < 80)
+        r5 *= 2;
+    else
+        r5 = (1 - r5) * 2;
+
+    gUnknown_0203AB88->var80 = g = gUnknown_085B6348[gUnknown_0203AB88->var04_0].var1A + randfinal;
+
+    g = S16TOPOSFLOAT(g) / 5.0f;
+    gUnknown_0203AB88->var82 = g * 3;
+    gUnknown_0203AB88->var84 = g;
+    gUnknown_0203AB88->var86 = g;
+
+    gUnknown_0203AB88->var88 = S16TOPOSFLOAT(angles[(rand & 1) + r5]);
+    gUnknown_0203AB88->var8C = S16TOPOSFLOAT(gUnknown_085B6348[gUnknown_0203AB88->var04_0].var18);
+    gUnknown_0203AB88->var90 = ((gUnknown_0203AB88->var8C * 0.5f) - gUnknown_0203AB88->var8C) / S16TOPOSFLOAT(gUnknown_0203AB88->var82);
+    gUnknown_0203AB88->var94 = 68.0f;
+    gUnknown_0203AB88->var9C = 0.0f;
+    gUnknown_0203AB88->var98 = -(8.0f / S16TOPOSFLOAT(gUnknown_0203AB88->var82));
+    gUnknown_0203AB88->varA0 = 36.0f;
+    gTasks[taskId].func = sub_814155C;
+}
+#else
+NAKED
+void sub_8141344(u8 taskId)
+{
+    asm_unified("	push {r4-r7,lr}\n\
+	mov r7, r10\n\
+	mov r6, r9\n\
+	mov r5, r8\n\
+	push {r5-r7}\n\
+	sub sp, 0x8\n\
+	lsls r0, 24\n\
+	lsrs r0, 24\n\
+	mov r10, r0\n\
+	movs r4, 0\n\
+	ldr r1, =gUnknown_085B6422\n\
+	mov r0, sp\n\
+	movs r2, 0x8\n\
+	bl memcpy\n\
+	bl Random\n\
+	lsls r0, 16\n\
+	lsrs r7, r0, 16\n\
+	adds r0, r7, 0\n\
+	movs r1, 0x64\n\
+	bl __umodsi3\n\
+	lsls r0, 16\n\
+	lsrs r6, r0, 16\n\
+	ldr r3, =gUnknown_0203AB88\n\
+	ldr r0, [r3]\n\
+	ldr r2, =gTasks\n\
+	mov r5, r10\n\
+	lsls r1, r5, 2\n\
+	add r1, r10\n\
+	lsls r1, 3\n\
+	adds r1, r2\n\
+	ldrh r2, [r1, 0x14]\n\
+	adds r0, 0x7C\n\
+	strb r2, [r0]\n\
+	ldr r0, [r3]\n\
+	adds r2, r0, 0\n\
+	adds r2, 0x7F\n\
+	strb r4, [r2]\n\
+	subs r2, 0x1\n\
+	strb r4, [r2]\n\
+	adds r0, 0x7D\n\
+	strb r4, [r0]\n\
+	ldrh r0, [r1, 0x18]\n\
+	adds r1, r7, 0\n\
+	bl sub_814118C\n\
+	adds r4, r0, 0\n\
+	lsls r4, 24\n\
+	lsrs r1, r4, 24\n\
+	adds r0, r7, 0\n\
+	bl __modsi3\n\
+	lsrs r4, 25\n\
+	subs r0, r4\n\
+	lsls r0, 24\n\
+	lsrs r4, r0, 24\n\
+	ldr r0, =gLocalTime\n\
+	ldrb r0, [r0, 0x2]\n\
+	lsls r0, 24\n\
+	asrs r0, 24\n\
+	movs r5, 0x1\n\
+	cmp r0, 0xC\n\
+	bgt _081413C8\n\
+	movs r5, 0\n\
+_081413C8:\n\
+	cmp r6, 0x4F\n\
+	bhi _081413E0\n\
+	lsls r0, r5, 25\n\
+	b _081413EA\n\
+	.pool\n\
+_081413E0:\n\
+	lsls r1, r5, 24\n\
+	asrs r1, 24\n\
+	movs r0, 0x1\n\
+	subs r0, r1\n\
+	lsls r0, 25\n\
+_081413EA:\n\
+	lsrs r5, r0, 24\n\
+	ldr r0, _08141530  @ =gUnknown_0203AB88\n\
+	ldr r6, [r0]\n\
+	ldrb r0, [r6, 0x4]\n\
+	lsls r0, 30\n\
+	lsrs r0, 25\n\
+	ldr r1, _08141534  @ =gUnknown_085B6348\n\
+	adds r0, r1\n\
+	lsls r4, 24\n\
+	asrs r4, 24\n\
+	ldrh r0, [r0, 0x1A]\n\
+	adds r4, r0\n\
+	adds r0, r6, 0\n\
+	adds r0, 0x80\n\
+	strh r4, [r0]\n\
+	lsls r4, 16\n\
+	asrs r4, 16\n\
+	adds r0, r4, 0\n\
+	bl __floatsisf\n\
+	cmp r4, 0\n\
+	bge _0814141C\n\
+	ldr r1, _08141538  @ =0x47800000\n\
+	bl __addsf3\n\
+_0814141C:\n\
+	ldr r1, _0814153C  @ =0x40A00000\n\
+	bl __divsf3\n\
+	bl __fixunssfsi\n\
+	lsls r0, 16\n\
+	lsrs r4, r0, 16\n\
+	lsls r0, r4, 1\n\
+	adds r0, r4\n\
+	movs r2, 0x82\n\
+	adds r2, r6\n\
+	mov r8, r2\n\
+	strh r0, [r2]\n\
+	adds r0, r6, 0\n\
+	adds r0, 0x84\n\
+	strh r4, [r0]\n\
+	adds r0, 0x2\n\
+	strh r4, [r0]\n\
+	movs r0, 0x88\n\
+	adds r0, r6\n\
+	mov r9, r0\n\
+	movs r0, 0x1\n\
+	ands r0, r7\n\
+	lsls r1, r5, 24\n\
+	asrs r1, 24\n\
+	adds r0, r1\n\
+	lsls r0, 1\n\
+	add r0, sp\n\
+	movs r1, 0\n\
+	ldrsh r4, [r0, r1]\n\
+	adds r0, r4, 0\n\
+	bl __floatsisf\n\
+	cmp r4, 0\n\
+	bge _08141468\n\
+	ldr r1, _08141538  @ =0x47800000\n\
+	bl __addsf3\n\
+_08141468:\n\
+	mov r2, r9\n\
+	str r0, [r2]\n\
+	adds r7, r6, 0\n\
+	adds r7, 0x8C\n\
+	ldrb r0, [r6, 0x4]\n\
+	lsls r0, 30\n\
+	lsrs r0, 25\n\
+	ldr r5, _08141534  @ =gUnknown_085B6348\n\
+	adds r0, r5\n\
+	movs r1, 0x18\n\
+	ldrsh r4, [r0, r1]\n\
+	adds r0, r4, 0\n\
+	bl __floatsisf\n\
+	adds r5, r0, 0\n\
+	cmp r4, 0\n\
+	bge _08141492\n\
+	ldr r1, _08141538  @ =0x47800000\n\
+	bl __addsf3\n\
+	adds r5, r0, 0\n\
+_08141492:\n\
+	str r5, [r7]\n\
+	adds r7, r6, 0\n\
+	adds r7, 0x90\n\
+	ldr r1, _08141540  @ =0x3F000000\n\
+	adds r0, r5, 0\n\
+	bl __mulsf3\n\
+	adds r1, r5, 0\n\
+	bl __subsf3\n\
+	adds r5, r0, 0\n\
+	mov r2, r8\n\
+	movs r0, 0\n\
+	ldrsh r4, [r2, r0]\n\
+	adds r0, r4, 0\n\
+	bl __floatsisf\n\
+	adds r2, r0, 0\n\
+	cmp r4, 0\n\
+	bge _081414C2\n\
+	ldr r1, _08141538  @ =0x47800000\n\
+	bl __addsf3\n\
+	adds r2, r0, 0\n\
+_081414C2:\n\
+	adds r0, r5, 0\n\
+	adds r1, r2, 0\n\
+	bl __divsf3\n\
+	str r0, [r7]\n\
+	adds r1, r6, 0\n\
+	adds r1, 0x94\n\
+	ldr r0, _08141544  @ =0x42880000\n\
+	str r0, [r1]\n\
+	adds r1, 0x8\n\
+	ldr r0, _08141548  @ =0x00000000\n\
+	str r0, [r1]\n\
+	adds r5, r6, 0\n\
+	adds r5, 0x98\n\
+	mov r1, r8\n\
+	movs r2, 0\n\
+	ldrsh r4, [r1, r2]\n\
+	adds r0, r4, 0\n\
+	bl __floatsisf\n\
+	adds r2, r0, 0\n\
+	cmp r4, 0\n\
+	bge _081414F8\n\
+	ldr r1, _08141538  @ =0x47800000\n\
+	bl __addsf3\n\
+	adds r2, r0, 0\n\
+_081414F8:\n\
+	ldr r0, _0814154C  @ =0x41000000\n\
+	adds r1, r2, 0\n\
+	bl __divsf3\n\
+	bl __negsf2\n\
+	str r0, [r5]\n\
+	adds r1, r6, 0\n\
+	adds r1, 0xA0\n\
+	ldr r0, _08141550  @ =0x42100000\n\
+	str r0, [r1]\n\
+	ldr r1, _08141554  @ =gTasks\n\
+	mov r5, r10\n\
+	lsls r0, r5, 2\n\
+	add r0, r10\n\
+	lsls r0, 3\n\
+	adds r0, r1\n\
+	ldr r1, _08141558  @ =sub_814155C\n\
+	str r1, [r0]\n\
+	add sp, 0x8\n\
+	pop {r3-r5}\n\
+	mov r8, r3\n\
+	mov r9, r4\n\
+	mov r10, r5\n\
+	pop {r4-r7}\n\
+	pop {r0}\n\
+	bx r0\n\
+	.align 2, 0\n\
+_08141530:\n\
+	.4byte gUnknown_0203AB88\n\
+_08141534:\n\
+	.4byte gUnknown_085B6348\n\
+_08141538:\n\
+	.4byte 0x47800000\n\
+_0814153C:\n\
+	.4byte 0x40A00000\n\
+_08141540:\n\
+	.4byte 0x3F000000\n\
+_08141544:\n\
+	.4byte 0x42880000\n\
+_08141548:\n\
+	.4byte 0x00000000\n\
+_0814154C:\n\
+	.4byte 0x41000000\n\
+_08141550:\n\
+	.4byte 0x42100000\n\
+_08141554:\n\
+	.4byte gTasks\n\
+_08141558:\n\
+	.4byte sub_814155C");
+}
+#endif // NONMATCHING
diff --git a/src/roulette_util.c b/src/roulette_util.c
index c556a4af5..9531302d9 100755
--- a/src/roulette_util.c
+++ b/src/roulette_util.c
@@ -11,7 +11,7 @@ void sub_8151678(struct UnkStruct0 *r0)
     memset(&r0->var04, 0, sizeof(r0->var04));
 }
 
-u8 sub_815168C(struct UnkStruct0 *r0, u8 r1, struct UnkStruct1 *r2)
+u8 sub_815168C(struct UnkStruct0 *r0, u8 r1, const struct UnkStruct1 *r2)
 {
     if (!(r1 < 16) || (r0->var04[r1].var00_7))
         return 0xFF;
diff --git a/src/secret_base.c b/src/secret_base.c
index 1f3f9b46a..4bdc49c2e 100644
--- a/src/secret_base.c
+++ b/src/secret_base.c
@@ -1032,7 +1032,7 @@ void sub_80E9FFC(u8 taskId)
 void sub_80EA06C(u8 taskId)
 {
     DisplayYesNoMenu();
-    sub_8121F68(taskId, &gUnknown_0858D058);
+    DoYesNoFuncWithChoice(taskId, &gUnknown_0858D058);
 }
 
 void sub_80EA08C(u8 taskId)