Port berry_crush.c part 1 from Emerald

1 files changed, 235 insertions, 0 deletions

diff --git a/src/berry_crush.c b/src/berry_crush.c
new file mode 100644
index 000000000..b1a484a24
--- /dev/null
+++ b/src/berry_crush.c
@@ -0,0 +1,235 @@
+#include "global.h"
+#include "gflib.h"
+#include "berry_crush.h"
+#include "berry_pouch.h"
+#include "berry_powder.h"
+#include "item.h"
+#include "item_menu.h"
+#include "link.h"
+#include "link_rfu.h"
+#include "math_util.h"
+#include "overworld.h"
+#include "task.h"
+#include "constants/songs.h"
+#include "constants/items.h"
+
+static EWRAM_DATA struct BerryCrushGame *gUnknown_203F3DC = NULL;
+
+struct BerryCrushGame *sub_814B6F0(void);
+static void sub_814B860(void);
+static void sub_814BA6C(void);
+static void sub_814BA80(void);
+static void sub_814BA98(u8 taskId);
+
+struct BerryCrushGame *sub_814B6F0(void)
+{
+    return gUnknown_203F3DC;
+}
+
+u32 sub_814B6FC(MainCallback callback)
+{
+    if (!gUnknown_203F3DC)
+        return 2;
+
+    if (!callback)
+        callback = gUnknown_203F3DC->unk0;
+
+    DestroyTask(gUnknown_203F3DC->unkA);
+    FREE_AND_SET_NULL(gUnknown_203F3DC);
+    SetMainCallback2(callback);
+    if (callback == CB2_ReturnToField)
+    {
+        PlayNewMapMusic(MUS_POKECEN);
+        SetMainCallback1(CB1_Overworld);
+    }
+
+    return 0;
+}
+
+void StartBerryCrush(MainCallback callback)
+{
+    u8 playerCount = 0;
+    u8 multiplayerId;
+
+    if (!gReceivedRemoteLinkPlayers || gWirelessCommType == 0)
+    {
+        SetMainCallback2(callback);
+        Rfu.linkman_param[0] = 0;
+        Rfu.linkman_param[1] = 0;
+        Rfu.errorState = 1;
+        return;
+    }
+
+    playerCount = GetLinkPlayerCount();
+    multiplayerId = GetMultiplayerId();
+    if (playerCount < 2 || multiplayerId >= playerCount)
+    {
+        SetMainCallback2(callback);
+        Rfu.linkman_param[0] = 0;
+        Rfu.linkman_param[1] = 0;
+        Rfu.errorState = 1;
+        return;
+    }
+
+    gUnknown_203F3DC = AllocZeroed(sizeof(*gUnknown_203F3DC));
+    if (!gUnknown_203F3DC)
+    {
+        SetMainCallback2(callback);
+        Rfu.linkman_param[0] = 0;
+        Rfu.linkman_param[1] = 0;
+        Rfu.errorState = 1;
+        return;
+    }
+
+    gUnknown_203F3DC->unk0 = callback;
+    gUnknown_203F3DC->unk8 = multiplayerId;
+    gUnknown_203F3DC->unk9 = playerCount;
+    sub_814BABC(gUnknown_203F3DC);
+    gUnknown_203F3DC->unk12 = 1;
+    gUnknown_203F3DC->unkE = 1;
+    gUnknown_203F3DC->unkF = 6;
+    sub_814D564(gUnknown_203F3DC->unk36, 1, -1, 0, 16, 0, 0);
+    sub_814BB4C(4, 1, gUnknown_203F3DC->unk36);
+    SetMainCallback2(sub_814BA80);
+    gUnknown_203F3DC->unkA = CreateTask(sub_814BA98, 8);
+}
+
+static void sub_814B860(void)
+{
+    if (gSpecialVar_ItemId < FIRST_BERRY_INDEX || gSpecialVar_ItemId > LAST_BERRY_INDEX + 1)
+        gSpecialVar_ItemId = ITEM_CHERI_BERRY;
+    else
+        RemoveBagItem(gSpecialVar_ItemId, 1);
+
+    gUnknown_203F3DC->unk68.as_four_players.others[gUnknown_203F3DC->unk8].unk0 = gSpecialVar_ItemId - FIRST_BERRY_INDEX;
+    gUnknown_203F3DC->unkE = 1;
+    gUnknown_203F3DC->unkF = 9;
+    sub_814D564(gUnknown_203F3DC->unk36, 0, -1, 0, 16, 0, 0);
+    sub_814BB4C(4, 1, gUnknown_203F3DC->unk36);
+    gUnknown_203F3DC->unkA = CreateTask(sub_814BA98, 8);
+    SetMainCallback2(sub_814BA80);
+}
+
+void sub_814B8F0(void)
+{
+    DestroyTask(gUnknown_203F3DC->unkA);
+    InitBerryPouch(BERRYPOUCH_FROMBERRYCRUSH, sub_814B860, FALSE);
+}
+
+void sub_814B914(void)
+{
+    SetVBlankCallback(sub_814BA6C);
+}
+
+void sub_814B924(void)
+{
+    SetVBlankCallback(NULL);
+}
+
+void sub_814B930(void)
+{
+    u32 var0, var1;
+
+    var0 = gUnknown_203F3DC->unk68.as_four_players.unk00.unk04;
+    var0 <<= 8;
+    var0 = sub_80D8B68(var0, 60 << 8);
+    var1 = gUnknown_203F3DC->unk68.as_four_players.unk00.unk0A;
+    var1 <<= 8;
+    var1 = sub_80D8B68(var1, var0) & 0xFFFF;
+    gUnknown_203F3DC->unk16 = var1;
+    switch (gUnknown_203F3DC->unk9)
+    {
+    case 2:
+        if (gUnknown_203F3DC->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[0])
+        {
+            gUnknown_203F3DC->unk25_1 = 1;
+            gSaveBlock2Ptr->berryCrush.berryCrushResults[0] = gUnknown_203F3DC->unk16;
+        }
+        break;
+    case 3:
+        if (gUnknown_203F3DC->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[1])
+        {
+            gUnknown_203F3DC->unk25_1 = 1;
+            gSaveBlock2Ptr->berryCrush.berryCrushResults[1] = gUnknown_203F3DC->unk16;
+        }
+        break;
+    case 4:
+        if (gUnknown_203F3DC->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[2])
+        {
+            gUnknown_203F3DC->unk25_1 = 1;
+            gSaveBlock2Ptr->berryCrush.berryCrushResults[2] = gUnknown_203F3DC->unk16;
+        }
+        break;
+    case 5:
+        if (gUnknown_203F3DC->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[3])
+        {
+            gUnknown_203F3DC->unk25_1 = 1;
+            gSaveBlock2Ptr->berryCrush.berryCrushResults[3] = gUnknown_203F3DC->unk16;
+        }
+        break;
+    }
+
+    gUnknown_203F3DC->unk1C = gUnknown_203F3DC->unk68.as_four_players.unk00.unk00;
+    if (GiveBerryPowder(gUnknown_203F3DC->unk1C))
+        return;
+
+    gUnknown_203F3DC->unk25_0 = 1;
+}
+
+static void sub_814BA6C(void)
+{
+    TransferPlttBuffer();
+    LoadOam();
+    ProcessSpriteCopyRequests();
+}
+
+static void sub_814BA80(void)
+{
+    RunTasks();
+    RunTextPrinters();
+    AnimateSprites();
+    BuildOamBuffer();
+}
+
+static void sub_814BA98(u8 taskId)
+{
+    if (gUnknown_203F3DC->unk4)
+        gUnknown_203F3DC->unk4(gUnknown_203F3DC, gUnknown_203F3DC->unk36);
+
+    sub_814D9CC(gUnknown_203F3DC);
+}
+
+#define PLAYER_UNK14(game, i)                        \
+    ((u8 *)(game)                                    \
+    + offsetof(struct BerryCrushGame, unk68)         \
+    + offsetof(struct BerryCrushGame_68_x, unk30)    \
+    + sizeof(struct BerryCrushGame_Player) * (i))
+
+void sub_814BABC(struct BerryCrushGame *arg0)
+{
+    u8 i;
+
+    for (i = 0; i < arg0->unk9; i++)
+    {
+        StringCopy(PLAYER_UNK14(arg0, i), gLinkPlayers[i].name);
+        arg0->unk68.as_five_players.unk1C[i].unk14[PLAYER_NAME_LENGTH] = EOS;
+    }
+    for (; i < 5; i++)
+    {
+        memset(PLAYER_UNK14(arg0, i), 1, PLAYER_NAME_LENGTH);
+        arg0->unk68.as_five_players.unk1C[i].unk14[PLAYER_NAME_LENGTH] = EOS;
+    }
+
+    switch (gSaveBlock2Ptr->optionsTextSpeed)
+    {
+    case OPTIONS_TEXT_SPEED_SLOW:
+        arg0->unkB = 8;
+        break;
+    case OPTIONS_TEXT_SPEED_MID:
+        arg0->unkB = 4;
+        break;
+    case OPTIONS_TEXT_SPEED_FAST:
+        arg0->unkB = 1;
+        break;
+    }
+}