92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
#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 <cstring>
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#include <vector>
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#include <windows.h>
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#include <timeapi.h>
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// OFFSET: 0x00B86880
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// FUNCTION: fn_19332
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bool ReplayPacketRecorder::Record(std::uint16_t bytes, const void* packet, int event, std::uint32_t delay) {
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if (bytes == 0 || !packet) {
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return false;
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}
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std::uint16_t id;
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std::memcpy(&id, packet, sizeof(id));
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if (id != ID_REPLAY_WINDOW_RESPONSE) {
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if (this->lengths.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->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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if (event == 42 || event == 43) {
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const std::uint32_t frameDelta = this->frame - this->baseFrame;
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const std::uint32_t tick = event == 43 ? delay - this->started + timeGetTime() : 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, packet, bytes);
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this->cipherKey = this->key1 >> 3;
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this->cipherIndex = 0;
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this->cipherBase = this->key0 >> 5;
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for (unsigned index = 0; index < bytes / 4u; ++index) {
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std::uint32_t word;
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std::memcpy(&word, record.data() + 10 + index * 4, sizeof(word));
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word ^= this->cipherKey * (++this->cipherIndex + this->cipherBase);
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std::memcpy(record.data() + 10 + index * 4, &word, sizeof(word));
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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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// OFFSET: 0x00A82F00
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// FUNCTION: fn_16999
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void WindowResponseRecorder::Record(int windowId, int response, std::intptr_t b, std::intptr_t c, std::intptr_t d) {
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if (this->mode != 2) {
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return;
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}
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#pragma pack(push, 1)
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struct Response {
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std::uint32_t marker;
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std::uint16_t bytes;
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std::int32_t windowId;
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std::int32_t response;
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std::uint32_t arguments[3];
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};
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#pragma pack(pop)
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static_assert(sizeof(Response) == 26);
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const Response packet{0x038408AEu, 26, windowId, response, {static_cast<std::uint32_t>(b), static_cast<std::uint32_t>(c), static_cast<std::uint32_t>(d)}};
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this->packets.Record(sizeof(packet), &packet, 42, 0);
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}
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