1 files changed, 626 insertions, 0 deletions
diff --git a/src/mevent2.c b/src/mevent2.c
new file mode 100755
index 000000000..f36e5d06b
--- /dev/null
+++ b/src/mevent2.c
@@ -0,0 +1,626 @@
+#include "global.h"
+#include "util.h"
+#include "main.h"
+#include "event_data.h"
+#include "easy_chat.h"
+#include "script.h"
+#include "battle_tower.h"
+#include "mevent_news.h"
+#include "string_util.h"
+#include "new_game.h"
+#include "mevent.h"
+#include "constants/species.h"
+
+static EWRAM_DATA bool32 gUnknown_02022C70 = FALSE;
+
+static void sub_801B180(void);
+static void s_DestroyWonderNews(void);
+static bool32 sub_801B114(const struct WonderNews *data);
+static bool32 sub_801B2CC(const struct WonderCard *data);
+static void sub_801B330(void);
+static void sub_801B368(void);
+static void sub_801B9F8(void);
+static void sub_801BA8C(u32 a0, u32 a1, u32 *a2, int a3);
+
+void sub_801AFD8(void)
+{
+    CpuFill32(0, &gSaveBlock1Ptr->unk_322C, sizeof(gSaveBlock1Ptr->unk_322C));
+    sub_801B180();
+    sub_811F8BC();
+}
+
+struct WonderNews *GetSavedWonderNews(void)
+{
+    return &gSaveBlock1Ptr->unk_322C.wonderNews.data;
+}
+
+struct WonderCard *GetSavedWonderCard(void)
+{
+    return &gSaveBlock1Ptr->unk_322C.wonderCard.data;
+}
+
+struct MEventBuffer_3430_Sub *sav1_get_mevent_buffer_2(void)
+{
+    return &gSaveBlock1Ptr->unk_322C.buffer_310.data;
+}
+
+struct MysteryEventStruct *sub_801B044(void)
+{
+    return &gSaveBlock1Ptr->unk_322C.unk_340;
+}
+
+u16 *sub_801B058(void)
+{
+    return gSaveBlock1Ptr->unk_322C.unk_338;
+}
+
+void DestroyWonderNews(void)
+{
+    s_DestroyWonderNews();
+}
+
+bool32 sub_801B078(const struct WonderNews *src)
+{
+    if (!sub_801B114(src))
+        return FALSE;
+
+    s_DestroyWonderNews();
+    gSaveBlock1Ptr->unk_322C.wonderNews.data = *src;
+    gSaveBlock1Ptr->unk_322C.wonderNews.crc = CalcCRC16WithTable((void *)&gSaveBlock1Ptr->unk_322C.wonderNews.data, sizeof(struct WonderNews));
+    return TRUE;
+}
+
+bool32 ValidateReceivedWonderNews(void)
+{
+    if (CalcCRC16WithTable((void *)&gSaveBlock1Ptr->unk_322C.wonderNews.data, sizeof(struct WonderNews)) != gSaveBlock1Ptr->unk_322C.wonderNews.crc)
+        return FALSE;
+    if (!sub_801B114(&gSaveBlock1Ptr->unk_322C.wonderNews.data))
+        return FALSE;
+
+    return TRUE;
+}
+
+static bool32 sub_801B114(const struct WonderNews *data)
+{
+    if (data->unk_00 == 0)
+        return FALSE;
+
+    return TRUE;
+}
+
+bool32 WonderNews_Test_Unk_02(void)
+{
+    const struct WonderNews *data = &gSaveBlock1Ptr->unk_322C.wonderNews.data;
+    if (data->unk_02 == 0)
+        return FALSE;
+
+    return TRUE;
+}
+
+static void s_DestroyWonderNews(void)
+{
+    CpuFill32(0, GetSavedWonderNews(), sizeof(gSaveBlock1Ptr->unk_322C.wonderNews.data));
+    gSaveBlock1Ptr->unk_322C.wonderNews.crc = 0;
+}
+
+static void sub_801B180(void)
+{
+    CpuFill32(0, sub_801B044(), sizeof(struct MysteryEventStruct));
+    sub_801DBC0();
+}
+
+bool32 sub_801B1A4(const u8 *src)
+{
+    const u8 *r5 = (const u8 *)&gSaveBlock1Ptr->unk_322C.wonderNews.data;
+    u32 i;
+    if (!ValidateReceivedWonderNews())
+        return FALSE;
+
+    for (i = 0; i < sizeof(struct WonderNews); i++)
+    {
+        if (r5[i] != src[i])
+            return FALSE;
+    }
+
+    return TRUE;
+}
+
+void DestroyWonderCard(void)
+{
+    sub_801B330();
+    sub_801B368();
+    sub_801B9F8();
+    ClearRamScript();
+    sub_809D4D8();
+    sub_809D570();
+    ClearEReaderTrainer(&gSaveBlock2Ptr->frontier.ereaderTrainer);
+}
+
+bool32 sub_801B21C(const struct WonderCard *data)
+{
+    struct MEventBuffer_3430_Sub *r2;
+    struct WonderCard *r1;
+    if (!sub_801B2CC(data))
+        return FALSE;
+
+    DestroyWonderCard();
+    memcpy(&gSaveBlock1Ptr->unk_322C.wonderCard.data, data, sizeof(struct WonderCard));
+    gSaveBlock1Ptr->unk_322C.wonderCard.crc = CalcCRC16WithTable((void *)&gSaveBlock1Ptr->unk_322C.wonderCard.data, sizeof(struct WonderCard));
+    r2 = &gSaveBlock1Ptr->unk_322C.buffer_310.data;
+    r1 = &gSaveBlock1Ptr->unk_322C.wonderCard.data;
+    r2->unk_06 = r1->unk_02;
+    return TRUE;
+}
+
+bool32 ValidateReceivedWonderCard(void)
+{
+    if (gSaveBlock1Ptr->unk_322C.wonderCard.crc != CalcCRC16WithTable((void *)&gSaveBlock1Ptr->unk_322C.wonderCard.data, sizeof(struct WonderCard)))
+        return FALSE;
+    if (!sub_801B2CC(&gSaveBlock1Ptr->unk_322C.wonderCard.data))
+        return FALSE;
+    if (!ValidateSavedRamScript())
+        return FALSE;
+
+    return TRUE;
+}
+
+static bool32 sub_801B2CC(const struct WonderCard *data)
+{
+    if (data->unk_00 == 0)
+        return FALSE;
+    if (data->unk_08_0 > 2)
+        return FALSE;
+    if (!(data->unk_08_6 == 0 || data->unk_08_6 == 1 || data->unk_08_6 == 2))
+        return FALSE;
+    if (data->unk_08_2 > 7)
+        return FALSE;
+    if (data->unk_09 > 7)
+        return FALSE;
+
+    return TRUE;
+}
+
+bool32 WonderCard_Test_Unk_08_6(void)
+{
+    const struct WonderCard *data = &gSaveBlock1Ptr->unk_322C.wonderCard.data;
+    if (data->unk_08_6 == 0)
+        return FALSE;
+
+    return TRUE;
+}
+
+static void sub_801B330(void)
+{
+    CpuFill32(0, &gSaveBlock1Ptr->unk_322C.wonderCard.data, sizeof(struct WonderCard));
+    gSaveBlock1Ptr->unk_322C.wonderCard.crc = 0;
+}
+
+static void sub_801B368(void)
+{
+    CpuFill32(0, sav1_get_mevent_buffer_2(), 18 *sizeof(u16));
+    gSaveBlock1Ptr->unk_322C.buffer_310.crc = 0;
+}
+
+u16 GetWonderCardFlagID(void)
+{
+    if (ValidateReceivedWonderCard())
+        return gSaveBlock1Ptr->unk_322C.wonderCard.data.unk_00;
+
+    return 0;
+}
+
+void WonderCard_ResetInternalReceivedFlag(struct WonderCard *buffer)
+{
+    if (buffer->unk_08_6 == 1)
+        buffer->unk_08_6 = 0;
+}
+
+static bool32 IsWonderCardFlagIDInValidRange(u16 a0)
+{
+    if (a0 >= 1000 && a0 < 1020)
+        return TRUE;
+
+    return FALSE;
+}
+
+static const u16 sMysteryGiftFlags[] =
+{
+    FLAG_RECEIVED_AURORA_TICKET,
+    FLAG_RECEIVED_MYSTIC_TICKET,
+    FLAG_RECEIVED_OLD_SEA_MAP,
+    FLAG_UNUSED_MYSTERY_GIFT_0x13D,
+    FLAG_UNUSED_MYSTERY_GIFT_0x13E,
+    FLAG_UNUSED_MYSTERY_GIFT_0x13F,
+    FLAG_UNUSED_MYSTERY_GIFT_0x140,
+    FLAG_UNUSED_MYSTERY_GIFT_0x141,
+    FLAG_UNUSED_MYSTERY_GIFT_0x142,
+    FLAG_UNUSED_MYSTERY_GIFT_0x143,
+    FLAG_UNUSED_MYSTERY_GIFT_0x144,
+    FLAG_UNUSED_MYSTERY_GIFT_0x145,
+    FLAG_UNUSED_MYSTERY_GIFT_0x146,
+    FLAG_UNUSED_MYSTERY_GIFT_0x147,
+    FLAG_UNUSED_MYSTERY_GIFT_0x148,
+    FLAG_UNUSED_MYSTERY_GIFT_0x149,
+    FLAG_UNUSED_MYSTERY_GIFT_0x14A,
+    FLAG_UNUSED_MYSTERY_GIFT_0x14B,
+    FLAG_UNUSED_MYSTERY_GIFT_0x14C,
+    FLAG_UNUSED_MYSTERY_GIFT_0x14D,
+};
+
+bool32 CheckReceivedGiftFromWonderCard(void)
+{
+    u16 value = GetWonderCardFlagID();
+    if (!IsWonderCardFlagIDInValidRange(value))
+        return FALSE;
+
+    if (FlagGet(sMysteryGiftFlags[value - 1000]) == TRUE)
+        return FALSE;
+
+    return TRUE;
+}
+
+static int sub_801B438(const struct MEventBuffer_3430_Sub *data, int size)
+{
+    int r3 = 0;
+    int i;
+    for (i = 0; i < size; i++)
+    {
+        if (data->unk_08[1][i] && data->unk_08[0][i])
+            r3++;
+    }
+
+    return r3;
+}
+
+static bool32 sub_801B460(const struct MEventBuffer_3430_Sub *data1, const u16 *data2, int size)
+{
+    int i;
+    for (i = 0; i < size; i++)
+    {
+        if (data1->unk_08[1][i] == data2[1])
+            return TRUE;
+        if (data1->unk_08[0][i] == data2[0])
+            return TRUE;
+    }
+
+    return FALSE;
+}
+
+static bool32 sub_801B4A4(const u16 *data)
+{
+    if (data[1] == 0)
+        return FALSE;
+    if (data[0] == 0)
+        return FALSE;
+    if (data[0] >= NUM_SPECIES)
+        return FALSE;
+    return TRUE;
+}
+
+static int sub_801B4CC(void)
+{
+    struct WonderCard *data;
+    if (!ValidateReceivedWonderCard())
+        return 0;
+
+    data = &gSaveBlock1Ptr->unk_322C.wonderCard.data;
+    if (data->unk_08_0 != 1)
+        return 0;
+
+    return sub_801B438(&gSaveBlock1Ptr->unk_322C.buffer_310.data, data->unk_09);
+}
+
+bool32 sub_801B508(const u16 *data)
+{
+    struct WonderCard *buffer = &gSaveBlock1Ptr->unk_322C.wonderCard.data;
+    int size = buffer->unk_09;
+    int i;
+    if (!sub_801B4A4(data))
+        return FALSE;
+
+    if (sub_801B460(&gSaveBlock1Ptr->unk_322C.buffer_310.data, data, size))
+        return FALSE;
+
+    for (i = 0; i < size; i++)
+    {
+        if (gSaveBlock1Ptr->unk_322C.buffer_310.data.unk_08[1][i] == 0 && gSaveBlock1Ptr->unk_322C.buffer_310.data.unk_08[0][i] == 0)
+        {
+            gSaveBlock1Ptr->unk_322C.buffer_310.data.unk_08[1][i] = data[1];
+            gSaveBlock1Ptr->unk_322C.buffer_310.data.unk_08[0][i] = data[0];
+            return TRUE;
+        }
+    }
+
+    return FALSE;
+}
+
+void sub_801B580(struct MEventStruct_Unk1442CC *data, bool32 a1)
+{
+    int i;
+    CpuFill32(0, data, sizeof(struct MEventStruct_Unk1442CC));
+    data->unk_00 = 0x101;
+    data->unk_04 = 1;
+    data->unk_08 = 1;
+
+    if (a1)
+    {
+        data->unk_0C = 5;
+        data->unk_10 = 0x0201;
+    }
+    else
+    {
+        data->unk_0C = 4;
+        data->unk_10 = 0x0200;
+    }
+
+    if (ValidateReceivedWonderCard())
+    {
+        data->unk_14 = GetSavedWonderCard()->unk_00;
+        data->unk_20 = *sav1_get_mevent_buffer_2();
+        data->unk_44 = GetSavedWonderCard()->unk_09;
+    }
+    else
+    {
+        data->unk_14 = 0;
+    }
+
+    for (i = 0; i < 4; i++)
+        data->unk_16[i] = gSaveBlock1Ptr->unk_322C.unk_338[i];
+
+    CopyTrainerId(data->unk_4C, gSaveBlock2Ptr->playerTrainerId);
+    StringCopy(data->unk_45, gSaveBlock2Ptr->playerName);
+    for (i = 0; i < 6; i++)
+        data->unk_50[i] = gSaveBlock1Ptr->easyChatProfile[i];
+
+    memcpy(data->unk_5C, RomHeaderGameCode, 4);
+    data->unk_60 = RomHeaderSoftwareVersion;
+}
+
+bool32 sub_801B6A0(const struct MEventStruct_Unk1442CC *data, bool32 a1)
+{
+    if (data->unk_00 != 0x101)
+        return FALSE;
+
+    if (!(data->unk_04 & 1))
+        return FALSE;
+
+    if (!(data->unk_08 & 1))
+        return FALSE;
+
+    if (!a1)
+    {
+        if (!(data->unk_0C & 4))
+            return FALSE;
+
+        if (!(data->unk_10 & 0x380))
+            return FALSE;
+    }
+
+    return TRUE;
+}
+
+u32 sub_801B6EC(const u16 *a0, const struct MEventStruct_Unk1442CC *a1, const void *unused)
+{
+    if (a1->unk_14 == 0)
+        return 0;
+
+    if (*a0 == a1->unk_14)
+        return 1;
+
+    return 2;
+}
+
+u32 sub_801B708(const u16 *a0, const struct MEventStruct_Unk1442CC *a1, const void *unused)
+{
+    int r4 = a1->unk_44 - sub_801B438(&a1->unk_20, a1->unk_44);
+    if (r4 == 0)
+        return 1;
+    if (sub_801B460(&a1->unk_20, a0, a1->unk_44))
+        return 3;
+    if (r4 == 1)
+        return 4;
+    return 2;
+}
+
+bool32 MEventStruct_Unk1442CC_CompareField_unk_16(const struct MEventStruct_Unk1442CC *a0, const u16 *a1)
+{
+    int i;
+    for (i = 0; i < 4; i++)
+    {
+        if (a0->unk_16[i] != a1[i])
+            return FALSE;
+    }
+
+    return TRUE;
+}
+
+static int sub_801B770(const struct MEventStruct_Unk1442CC *a0)
+{
+    return sub_801B438(&a0->unk_20, a0->unk_44);
+}
+
+u16 MEventStruct_Unk1442CC_GetValueNFrom_unk_20(const struct MEventStruct_Unk1442CC *a0, u32 command)
+{
+    switch (command)
+    {
+    case 0:
+        return a0->unk_20.unk_00;
+    case 1:
+        return a0->unk_20.unk_02;
+    case 2:
+        return a0->unk_20.unk_04;
+    case 3:
+        return sub_801B770(a0);
+    case 4:
+        return a0->unk_44;
+    default:
+        AGB_ASSERT(0);
+        return 0;
+    }
+}
+
+static void sub_801B7D8(u32 command)
+{
+    struct WonderCard *data = &gSaveBlock1Ptr->unk_322C.wonderCard.data;
+    if (data->unk_08_0 == 2)
+    {
+        u16 *dest = NULL;
+        switch (command)
+        {
+        case 0:
+            dest = &gSaveBlock1Ptr->unk_322C.buffer_310.data.unk_00;
+            break;
+        case 1:
+            dest = &gSaveBlock1Ptr->unk_322C.buffer_310.data.unk_02;
+            break;
+        case 2:
+            dest = &gSaveBlock1Ptr->unk_322C.buffer_310.data.unk_04;
+            break;
+        case 3:
+            break;
+        case 4:
+            break;
+        }
+
+        if (dest == NULL)
+            AGB_ASSERT(0);
+        else if (++(*dest) > 999)
+            *dest = 999;
+    }
+}
+
+u16 mevent_081445C0(u32 command)
+{
+    switch (command)
+    {
+        case 0:
+        {
+            struct WonderCard *data = &gSaveBlock1Ptr->unk_322C.wonderCard.data;
+            if (data->unk_08_0 == 2)
+            {
+                struct MEventBuffer_3430_Sub *buffer = &gSaveBlock1Ptr->unk_322C.buffer_310.data;
+                return buffer->unk_00;
+            }
+            break;
+        }
+        case 1:
+        {
+            struct WonderCard *data = &gSaveBlock1Ptr->unk_322C.wonderCard.data;
+            if (data->unk_08_0 == 2)
+            {
+                struct MEventBuffer_3430_Sub *buffer = &gSaveBlock1Ptr->unk_322C.buffer_310.data;
+                return buffer->unk_02;
+            }
+            break;
+        }
+        case 2:
+        {
+            struct WonderCard *data = &gSaveBlock1Ptr->unk_322C.wonderCard.data;
+            if (data->unk_08_0 == 2)
+            {
+                struct MEventBuffer_3430_Sub *buffer = &gSaveBlock1Ptr->unk_322C.buffer_310.data;
+                return buffer->unk_04;
+            }
+            break;
+        }
+        case 3:
+        {
+            struct WonderCard *data = &gSaveBlock1Ptr->unk_322C.wonderCard.data;
+            if (data->unk_08_0 == 1)
+                return sub_801B4CC();
+            break;
+        }
+        case 4:
+        {
+            struct WonderCard *data = &gSaveBlock1Ptr->unk_322C.wonderCard.data;
+            if (data->unk_08_0 == 1)
+                return data->unk_09;
+            break;
+        }
+    }
+
+    AGB_ASSERT(0);
+    return 0;
+}
+
+void sub_801B940(void)
+{
+    gUnknown_02022C70 = FALSE;
+}
+
+bool32 sub_801B94C(u16 a0)
+{
+    gUnknown_02022C70 = FALSE;
+    if (a0 == 0)
+        return FALSE;
+
+    if (!ValidateReceivedWonderCard())
+        return FALSE;
+
+    if (gSaveBlock1Ptr->unk_322C.wonderCard.data.unk_00 != a0)
+        return FALSE;
+
+    gUnknown_02022C70 = TRUE;
+    return TRUE;
+}
+
+void sub_801B990(u32 a0, u32 a1)
+{
+    if (gUnknown_02022C70)
+    {
+        switch (a0)
+        {
+        case 2:
+            sub_801BA8C(2, a1, gSaveBlock1Ptr->unk_322C.unk_344[1], 5);
+            break;
+        case 0:
+            sub_801BA8C(0, a1, gSaveBlock1Ptr->unk_322C.unk_344[0], 5);
+            break;
+        case 1:
+            sub_801BA8C(1, a1, gSaveBlock1Ptr->unk_322C.unk_344[0], 5);
+            break;
+        default:
+            AGB_ASSERT(0);
+        }
+    }
+}
+
+static void sub_801B9F8(void)
+{
+    CpuFill32(0, gSaveBlock1Ptr->unk_322C.unk_344, sizeof(gSaveBlock1Ptr->unk_322C.unk_344));
+}
+
+static bool32 sub_801BA24(u32 a0, u32 *a1, int size)
+{
+    int i;
+    int j;
+
+    for (i = 0; i < size; i++)
+    {
+        if (a1[i] == a0)
+            break;
+    }
+
+    if (i == size)
+    {
+        for (j = size - 1; j > 0; j--)
+            a1[j] = a1[j - 1];
+
+        a1[0] = a0;
+        return TRUE;
+    }
+    else
+    {
+        for (j = i; j > 0; j--)
+            a1[j] = a1[j - 1];
+
+        a1[0] = a0;
+        return FALSE;
+    }
+}
+
+static void sub_801BA8C(u32 a0, u32 a1, u32 *a2, int a3)
+{
+    if (sub_801BA24(a1, a2, a3))
+        sub_801B7D8(a0);
+}