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Decompile 3 functions in Source/Client/Mode/GameModePackets.cpp, Source/Client/Mode/CGameMode.h

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Batch #6830 by superintelligence: 0 byte-identical, 3 confirmed by peer review.

- fn_21668 CGameMode::ReceiveItem1740BasicList: logic confirmed by peer review
- fn_21669 CGameMode::ReceiveItem1740BasicListBind: logic confirmed by peer review
- fn_21720 CGameMode::ReceiveItemInventoryList: logic confirmed by peer review

Peer-reviewed-by: eAthena, alisonrag, willerthal
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
This commit is contained in:
ragnarok-clanker 2026-10-31 01:57:28 +00:00
commit 14a25fffeb
2 changed files with 120 additions and 0 deletions
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3
Source/Client/Mode/CGameMode.h
View file

@ -315,6 +315,9 @@ public:
void ReceiveItem1740Add(const unsigned char* packet);
void ReceiveItem1740AddOptions(const unsigned char* packet);
void ReceiveItem1740AddGrade(const unsigned char* packet);
void ReceiveItem1740BasicList(const unsigned char* packet);
void ReceiveItem1740BasicListBind(const unsigned char* packet);
void ReceiveItemInventoryList(const unsigned char* packet);
void ReceiveUnknown05C4Result(const unsigned char* packet);
void ReceiveHpSpRecovery(const unsigned char* packet, int variant);
void ReceiveUnknown173A5BC(const unsigned char* packet);

117
Source/Client/Mode/GameModePackets.cpp
View file

@ -41,6 +41,7 @@
struct SessionMessengerContext {
void UpdateRandomStats();
int GetList9Size() const;
void KeepEquipment();
};
struct ClientItemLists {
@ -110,6 +111,39 @@ namespace {
/* 0013 */ char name[1];
};
struct PacketLengthHeader {
/* 0000 */ std::uint16_t packetType;
/* 0002 */ std::int16_t length;
};
struct Item1740Record {
/* 0000 */ std::int16_t index;
/* 0002 */ int itemId;
/* 0006 */ unsigned char type;
/* 0007 */ unsigned char identified;
/* 0008 */ std::uint16_t location;
/* 000A */ std::uint16_t wearState;
/* 000C */ unsigned char unknown_000C;
/* 000D */ unsigned char refine;
/* 000E */ std::uint32_t cards[4];
/* 001E */ std::uint32_t expireTime;
};
struct Item1740EquipRecord {
/* 0000 */ std::int16_t index;
/* 0002 */ int itemId;
/* 0006 */ unsigned char type;
/* 0007 */ unsigned char identified;
/* 0008 */ std::uint16_t location;
/* 000A */ std::uint16_t wearState;
/* 000C */ unsigned char unknown_000C;
/* 000D */ unsigned char refine;
/* 000E */ std::uint32_t cards[4];
/* 001E */ std::uint32_t expireTime;
/* 0022 */ std::uint16_t bindOnEquip;
/* 0024 */ std::uint16_t sprite;
};
struct ItemStoreListHeader {
/* 0000 */ std::uint16_t packetType;
/* 0002 */ std::uint16_t length;
@ -180,6 +214,9 @@ namespace {
static_assert(sizeof(StoreEquipRecord) == 0x29);
static_assert(sizeof(StoreEquipOptionRecord) == 0x43);
static_assert(sizeof(StoreNormalRecord) == 0x22);
static_assert(sizeof(PacketLengthHeader) == 0x04);
static_assert(sizeof(Item1740Record) == 0x22);
static_assert(sizeof(Item1740EquipRecord) == 0x26);
// INLINED
int CountStoreItemOptions(const StoreItemOption* options) {
@ -1523,3 +1560,83 @@ void __stdcall sub_D08640(const unsigned char* packet) {
*reinterpret_cast<const int*>(packet + 0xC),
*reinterpret_cast<const int*>(packet + 0x10));
}
// OFFSET: 0x00D246B0
// FUNCTION: fn_21668
void CGameMode::ReceiveItem1740BasicList(const unsigned char* data) {
const PacketLengthHeader* packet = reinterpret_cast<const PacketLengthHeader*>(data);
const int count = (packet->length - sizeof(PacketLengthHeader)) / sizeof(Item1740Record);
const Item1740Record* record = reinterpret_cast<const Item1740Record*>(data + sizeof(PacketLengthHeader));
for (int i = 0; i < count; ++i, ++record) {
ITEM_INFO item;
item.unknown_0000[0] = record->type;
item.unknown_0000[1] = record->index;
item.unknown_0000[2] = record->location;
item.unknown_0000[3] = record->wearState;
item.quantity = 1;
std::memcpy(item.unknown_001C, record->cards, sizeof(record->cards));
item.SetItemId(record->itemId);
item.identified = record->identified;
item.unknown_005D = record->unknown_000C;
item.unknown_0060 = record->refine;
item.unknown_0068 = record->expireTime;
reinterpret_cast<ClientItemLists*>(&g_session)->AddItem1740(item);
}
g_session.RefreshItem1740Window();
}
// OFFSET: 0x00D24810
// FUNCTION: fn_21669
void CGameMode::ReceiveItem1740BasicListBind(const unsigned char* data) {
const PacketLengthHeader* packet = reinterpret_cast<const PacketLengthHeader*>(data);
const int count = (packet->length - sizeof(PacketLengthHeader)) / sizeof(Item1740EquipRecord);
const Item1740EquipRecord* record = reinterpret_cast<const Item1740EquipRecord*>(data + sizeof(PacketLengthHeader));
for (int i = 0; i < count; ++i, ++record) {
ITEM_INFO item;
item.unknown_0000[0] = record->type;
item.unknown_0000[1] = record->index;
item.unknown_0000[2] = record->location;
item.unknown_0000[3] = record->wearState;
item.quantity = 1;
std::memcpy(item.unknown_001C, record->cards, sizeof(record->cards));
item.SetItemId(record->itemId);
item.identified = record->identified;
item.unknown_005D = record->unknown_000C;
item.unknown_0060 = record->refine;
item.unknown_0068 = record->expireTime;
item.unknown_0064 = record->bindOnEquip;
item.unknown_0070 = record->sprite;
reinterpret_cast<ClientItemLists*>(&g_session)->AddItem1740(item);
}
g_session.RefreshItem1740Window();
}
// OFFSET: 0x00D2D770
// FUNCTION: fn_21720
void CGameMode::ReceiveItemInventoryList(const unsigned char* data) {
reinterpret_cast<SessionMessengerContext*>(&g_session)->KeepEquipment();
const PacketLengthHeader* packet = reinterpret_cast<const PacketLengthHeader*>(data);
const int count = (packet->length - sizeof(PacketLengthHeader)) / sizeof(StoreNormalRecord);
const StoreNormalRecord* record = reinterpret_cast<const StoreNormalRecord*>(data + sizeof(PacketLengthHeader));
for (int i = 0; i < count; ++i, ++record) {
ITEM_INFO item;
item.unknown_0000[0] = record->type;
item.unknown_0000[1] = record->index;
item.unknown_0000[3] = record->location;
item.unknown_0000[2] = 0;
item.quantity = record->amount;
std::memcpy(item.unknown_001C, record->cards, sizeof(record->cards));
item.SetItemId(record->itemId);
item.identified = record->flags & 1;
item.unknown_005D = 0;
item.unknown_0060 = 0;
item.unknown_0068 = record->expireTime;
item.unknown_0074[0] = (record->flags >> 1) & 1;
g_session.UpdateInventoryItem(item, 0);
}
RefreshItemWindows(&g_windowMgr);
}