Decompile 5 functions in Source/Client/ReplayPacketRecorder.cpp, Source/Client/ReplayPacketRecorder.h, ...
Batch #1630 by eAthena: 0 byte-identical, 5 confirmed by peer review. - fn_17000 WindowReplayRecorder::RecordDrop: logic confirmed by peer review - fn_17001 WindowReplayRecorder::RecordData: logic confirmed by peer review - fn_17002 WindowReplayRecorder::RecordValues: logic confirmed by peer review - fn_17003 WindowReplayRecorder::RecordText: logic confirmed by peer review - fn_19331 Replay::RecordPacket: logic confirmed by peer review Reviewed-by: ragnarok-clanker
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ragnarok-clanker
parent
393775bbf0
commit
94649ccac7
3 changed files with 220 additions and 9 deletions
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@ -1,8 +1,11 @@
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#include "Client/Mode/ModeDragState.h"
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#include "Client/Replay.h"
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#include "Client/ReplayPacketRecorder.h"
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#include "Network/Packets/PacketLengths.h"
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#include "Network/Packets/PacketId.h"
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#include "UI/Window/WindowPolicy.h"
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#include <algorithm>
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#include <cstring>
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#include <vector>
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#include <windows.h>
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@ -120,21 +123,215 @@ bool Replay::WriteFinalSection() {
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}
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// OFFSET: 0x00B86660
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// FUNCTION: fn_19331
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bool Replay::RecordPacket(const std::vector<unsigned char>& packet, int event, std::uint32_t delay) {
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const std::uint16_t bytes = static_cast<std::uint16_t>(packet.size());
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const unsigned char* data = packet.empty() ? nullptr : &packet[0];
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if (bytes == 0 || !data) {
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return false;
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}
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struct UIWindowRecorderContext {
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unsigned char pad[0x2C];
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int windowId;
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std::uint16_t id;
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std::memcpy(&id, data, sizeof(id));
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void RecordEvent17000(int a, int b, void* c, int d);
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void RecordEvent17001(int a, void* b, void* c);
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void RecordEvent17002(int a, int b, int c, int d, int e);
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void RecordEvent17003(int event, const char* text);
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};
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if (id != ID_REPLAY_WINDOW_RESPONSE) {
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if (g_packetLengths.IsRecorded(id) == 0) {
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return false;
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}
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switch (id) {
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case ID_ZC_NOTIFY_CHAT:
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case ID_ZC_NOTIFY_PLAYERCHAT:
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case ID_ZC_WHISPER:
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case ID_ZC_NOTIFY_CHAT_PARTY:
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case ID_ZC_GUILD_CHAT:
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case ID_ZC_BATTLEFIELD_CHAT:
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case ID_ZC_ALLY_CHAT:
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if (this->header.options.recordRestricted == 0) {
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return false;
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}
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break;
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default:
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break;
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}
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}
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std::vector<unsigned char> record(static_cast<std::size_t>(bytes) + 10, 0);
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std::memcpy(record.data() + 8, &bytes, sizeof(bytes));
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std::memset(record.data(), 0, 8);
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if (event == 43) {
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const std::uint32_t frameDelta = this->frame - this->baseFrame;
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const std::uint32_t tick = timeGetTime() + (delay - this->started);
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std::memcpy(record.data(), &frameDelta, sizeof(frameDelta));
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std::memcpy(record.data() + 4, &tick, sizeof(tick));
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} else if (event == 42) {
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const std::uint32_t frameDelta = this->frame - this->baseFrame;
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const std::uint32_t tick = timeGetTime() - this->started;
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std::memcpy(record.data(), &frameDelta, sizeof(frameDelta));
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std::memcpy(record.data() + 4, &tick, sizeof(tick));
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}
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std::memcpy(record.data() + 10, data, bytes);
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std::uint32_t* words = reinterpret_cast<std::uint32_t*>(record.data() + 10);
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if (words) {
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this->cipherKey = this->header.key1 >> 3;
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this->cipherIndex = 0;
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this->cipherBase = this->header.key0 >> 5;
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for (int index = 0; index < bytes / 4; ++index) {
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words[index] ^= this->cipherKey * (++this->cipherIndex + this->cipherBase);
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}
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}
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std::fseek(this->file, static_cast<long>(this->fileOffset), SEEK_SET);
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std::fwrite(record.data(), record.size(), 1, this->file);
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this->fileOffset += static_cast<std::uint32_t>(record.size());
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++this->records;
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return true;
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}
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namespace {
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#pragma pack(push, 1)
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struct DropRecord {
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/* 0000 */ std::uint32_t marker;
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/* 0004 */ std::uint16_t bytes;
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/* 0006 */ std::int32_t windowId;
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/* 000A */ std::int32_t x;
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/* 000E */ std::int32_t y;
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/* 0012 */ std::int32_t source;
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/* 0016 */ std::uint32_t id;
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/* 001A */ std::uint32_t unknown_001A;
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/* 001E */ std::uint32_t unknown_001E;
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/* 0022 */ std::int32_t quantity;
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/* 0026 */ std::int32_t slot;
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/* 002A */ std::uint32_t type;
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/* 002E */ std::uint32_t refine;
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/* 0032 */ unsigned char identified;
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/* 0033 */ char resource[100];
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/* 0097 */ char name[100];
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/* 00FB */ char skillName[100];
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/* 015F */ std::int32_t skillLevel;
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/* 0163 */ unsigned char cards[16];
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/* 0173 */ unsigned char skill;
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/* 0174 */ std::int32_t optionCount;
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/* 0178 */ unsigned char options[25];
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};
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struct ValuesRecord {
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/* 0000 */ std::uint32_t marker;
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/* 0004 */ std::uint16_t bytes;
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/* 0006 */ std::int32_t windowId;
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/* 000A */ std::int32_t arguments[4];
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/* 001A */ std::int32_t value;
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};
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struct TextRecord {
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/* 0000 */ std::uint32_t marker;
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/* 0004 */ std::uint16_t bytes;
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/* 0006 */ std::int32_t windowId;
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/* 000A */ std::int32_t event;
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/* 000E */ char text[100];
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};
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#pragma pack(pop)
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static_assert(sizeof(DropRecord) == 0x191);
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static_assert(sizeof(ValuesRecord) == 0x1E);
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static_assert(sizeof(TextRecord) == 0x72);
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}
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// OFFSET: 0x00A82F80
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// FUNCTION: fn_17000
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void WindowReplayRecorder::RecordDrop(int x, int y, const ModeDragState& drag, int target) {
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if (Replay::Instance().state != 2) {
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return;
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}
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if (WindowPolicy(this->policy, this->restricted, 5, this->windowId) == 0) {
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return;
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}
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DropRecord packet;
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std::memset(&packet, 0, sizeof(packet));
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packet.marker = 0x038508AEu;
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packet.bytes = sizeof(packet);
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packet.windowId = target == -1 ? this->windowId : target;
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packet.x = x;
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packet.y = y;
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packet.source = drag.source;
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packet.id = drag.id;
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packet.unknown_001A = drag.unknown_0310;
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packet.unknown_001E = drag.unknown_0314;
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packet.quantity = drag.quantity;
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packet.slot = drag.slot;
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packet.type = drag.type;
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packet.refine = drag.refine;
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packet.identified = drag.identified;
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packet.skillLevel = drag.skillLevel;
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packet.skill = drag.skill;
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std::memcpy(packet.resource, drag.resource.c_str(), std::min(static_cast<int>(drag.resource.size()), 100));
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std::memcpy(packet.name, drag.name.c_str(), std::min(static_cast<int>(drag.name.size()), 100));
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std::memcpy(packet.skillName, drag.skillName.c_str(), std::min(static_cast<int>(drag.skillName.size()), 100));
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std::memcpy(packet.cards, drag.cards, sizeof(packet.cards));
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packet.optionCount = drag.optionCount;
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std::memcpy(packet.options, drag.options, sizeof(packet.options));
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this->packets.Record(packet.bytes, &packet, 42, 0);
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}
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// OFFSET: 0x00A83180
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// FUNCTION: fn_17001
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int WindowReplayRecorder::RecordData(std::uint16_t type, std::vector<unsigned char> data) {
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if (Replay::Instance().state != 2 || data.empty()) {
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return 0;
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}
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std::vector<unsigned char> record(data.size() + 6);
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std::memcpy(record.data() + 6, data.data(), data.size());
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const std::uint16_t header[2] = {ID_REPLAY_WINDOW_RESPONSE, type};
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const std::uint16_t bytes = static_cast<std::uint16_t>(record.size());
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std::memcpy(record.data(), header, sizeof(header));
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std::memcpy(record.data() + 4, &bytes, sizeof(bytes));
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Replay::Instance().RecordPacket(record, 41, 0);
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return static_cast<int>(record.size());
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}
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// OFFSET: 0x00A83300
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// FUNCTION: fn_17002
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void WindowReplayRecorder::RecordValues(int value, int argument1, int argument2, int argument3, int argument4) {
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if (g_replayAnimationScaling != 0 || Replay::Instance().state != 2) {
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return;
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}
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ValuesRecord packet;
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packet.marker = 0x039108AEu;
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packet.bytes = sizeof(packet);
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packet.windowId = this->windowId;
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packet.value = value;
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packet.arguments[0] = argument1;
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packet.arguments[1] = argument2;
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packet.arguments[2] = argument3;
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packet.arguments[3] = argument4;
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this->packets.Record(packet.bytes, &packet, 42, 0);
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}
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// OFFSET: 0x00A83440
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// FUNCTION: fn_17003
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void WindowReplayRecorder::RecordText(int event, const char* text) {
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if (Replay::Instance().state != 2) {
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return;
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}
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TextRecord packet;
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std::memset(packet.text, 0, sizeof(packet.text));
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packet.marker = 0x038B08AEu;
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packet.bytes = sizeof(packet);
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packet.windowId = this->windowId;
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packet.event = event;
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std::memcpy(packet.text, text, std::min(static_cast<int>(std::strlen(text)), 100));
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this->packets.Record(packet.bytes, &packet, 42, 0);
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}
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