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#include "common.h"
#include "patcher.h"
#include "Record.h"
#include "FileMgr.h"
#include "Pad.h"
#include "Pools.h"
#include "Timer.h"
uint16 &CRecordDataForGame::RecordingState = *(uint16*)0x95CC24;
uint8*& CRecordDataForGame::pDataBuffer = *(uint8**)0x8F1B70;
uint8*& CRecordDataForGame::pDataBufferPointer = *(uint8**)0x8F1AB0;
int& CRecordDataForGame::FId = *(int*)0x885BA4;
tGameBuffer& CRecordDataForGame::pDataBufferForFrame = *(tGameBuffer*)0x72CED0;
uint8 &CRecordDataForChase::Status = *(uint8*)0x95CDCE;
#define MEMORY_FOR_GAME_RECORD (150000)
void CRecordDataForGame::Init(void)
{
RecordingState = STATE_NONE;
if (pDataBuffer)
delete[] pDataBuffer;
pDataBufferPointer = nil;
pDataBuffer = nil;
#ifndef GTA_PS2 // this stuff is not present on PS2
FId = CFileMgr::OpenFile("playback.dat", "r");
if (FId <= 0) {
if ((FId = CFileMgr::OpenFile("record.dat", "r")) <= 0)
RecordingState = STATE_NONE;
else {
CFileMgr::CloseFile(FId);
FId = CFileMgr::OpenFileForWriting("record.dat");
RecordingState = STATE_RECORD;
}
}
else {
RecordingState = STATE_PLAYBACK;
}
if (RecordingState == STATE_PLAYBACK) {
pDataBufferPointer = (uint8*)malloc(MEMORY_FOR_GAME_RECORD);
pDataBuffer = pDataBufferPointer;
pDataBuffer[CFileMgr::Read(FId, (char*)pDataBufferPointer, MEMORY_FOR_GAME_RECORD) + 8] = -1;
CFileMgr::CloseFile(FId);
}
#else
RecordingState = STATE_NONE; // second time to make sure
#endif
}
void CRecordDataForGame::SaveOrRetrieveDataForThisFrame(void)
{
switch (RecordingState) {
case STATE_RECORD:
{
pDataBufferForFrame.m_fTimeStep = CTimer::GetTimeStep();
pDataBufferForFrame.m_nTimeInMilliseconds = CTimer::GetTimeInMilliseconds();
pDataBufferForFrame.m_nSizeOfPads[0] = 0;
pDataBufferForFrame.m_nSizeOfPads[1] = 0;
pDataBufferForFrame.m_nChecksum = CalcGameChecksum();
uint8* pController1 = PackCurrentPadValues(pDataBufferForFrame.m_ControllerBuffer, &CPad::GetPad(0)->OldState, &CPad::GetPad(0)->NewState);
pDataBufferForFrame.m_nSizeOfPads[0] = (pController1 - pDataBufferForFrame.m_ControllerBuffer) / 2;
uint8* pController2 = PackCurrentPadValues(pController1, &CPad::GetPad(1)->OldState, &CPad::GetPad(1)->NewState);
pDataBufferForFrame.m_nSizeOfPads[1] = (pController2 - pController1) / 2;
uint8* pEndPtr = pController2;
if ((pDataBufferForFrame.m_nSizeOfPads[0] + pDataBufferForFrame.m_nSizeOfPads[1]) & 1)
pEndPtr += 2;
CFileMgr::Write(FId, (char*)&pDataBufferForFrame, pEndPtr - (uint8*)&pDataBufferForFrame);
break;
}
case STATE_PLAYBACK:
if (pDataBufferPointer[8] == -1)
CPad::GetPad(0)->NewState.Clear();
else {
tGameBuffer* pData = (tGameBuffer*)pDataBufferPointer;
CTimer::SetTimeInMilliseconds(pData->m_nTimeInMilliseconds);
CTimer::SetTimeStep(pData->m_fTimeStep);
uint8 size1 = pData->m_nSizeOfPads[0];
uint8 size2 = pData->m_nSizeOfPads[1];
pDataBufferPointer = (uint8*)&pData->m_ControllerBuffer;
pDataBufferPointer = UnPackCurrentPadValues(pDataBufferPointer, size1, &CPad::GetPad(0)->NewState);
pDataBufferPointer = UnPackCurrentPadValues(pDataBufferPointer, size2, &CPad::GetPad(1)->NewState);
if ((size1 + size2) & 1)
pDataBufferPointer += 2;
if (pData->m_nChecksum != CalcGameChecksum())
printf("Playback out of sync\n");
}
}
}
#define PROCESS_BUTTON_STATE_STORE(buf, os, ns, field, id) \
do { \
if (os->field != os->field){ \
*buf++ = id; \
*buf++ = ns->field; \
} \
} while (0);
uint8* CRecordDataForGame::PackCurrentPadValues(uint8* buf, CControllerState* os, CControllerState* ns)
{
PROCESS_BUTTON_STATE_STORE(buf, os, ns, LeftStickX, 0);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, LeftStickY, 1);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, LeftShoulder1, 2);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, RightStickY, 3);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, LeftShoulder1, 4);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, LeftShoulder2, 5);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, RightShoulder1, 6);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, RightShoulder2, 7);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, DPadUp, 8);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, DPadDown, 9);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, DPadLeft, 10);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, DPadRight, 11);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, Start, 12);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, Select, 13);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, Square, 14);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, Triangle, 15);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, Cross, 16);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, Circle, 17);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, LeftShock, 18);
PROCESS_BUTTON_STATE_STORE(buf, os, ns, RightShock, 19);
return buf;
}
#undef PROCESS_BUTTON_STATE_STORE
#define PROCESS_BUTTON_STATE_RESTORE(buf, state, field, id) case id: state->field = *buf++; break;
uint8* CRecordDataForGame::UnPackCurrentPadValues(uint8* buf, uint8 total, CControllerState* state)
{
for (uint8 i = 0; i < total; i++) {
switch (*buf++) {
PROCESS_BUTTON_STATE_RESTORE(buf, state, LeftStickX, 0);
PROCESS_BUTTON_STATE_RESTORE(buf, state, LeftStickY, 1);
PROCESS_BUTTON_STATE_RESTORE(buf, state, LeftShoulder1, 2);
PROCESS_BUTTON_STATE_RESTORE(buf, state, RightStickY, 3);
PROCESS_BUTTON_STATE_RESTORE(buf, state, LeftShoulder1, 4);
PROCESS_BUTTON_STATE_RESTORE(buf, state, LeftShoulder2, 5);
PROCESS_BUTTON_STATE_RESTORE(buf, state, RightShoulder1, 6);
PROCESS_BUTTON_STATE_RESTORE(buf, state, RightShoulder2, 7);
PROCESS_BUTTON_STATE_RESTORE(buf, state, DPadUp, 8);
PROCESS_BUTTON_STATE_RESTORE(buf, state, DPadDown, 9);
PROCESS_BUTTON_STATE_RESTORE(buf, state, DPadLeft, 10);
PROCESS_BUTTON_STATE_RESTORE(buf, state, DPadRight, 11);
PROCESS_BUTTON_STATE_RESTORE(buf, state, Start, 12);
PROCESS_BUTTON_STATE_RESTORE(buf, state, Select, 13);
PROCESS_BUTTON_STATE_RESTORE(buf, state, Square, 14);
PROCESS_BUTTON_STATE_RESTORE(buf, state, Triangle, 15);
PROCESS_BUTTON_STATE_RESTORE(buf, state, Cross, 16);
PROCESS_BUTTON_STATE_RESTORE(buf, state, Circle, 17);
PROCESS_BUTTON_STATE_RESTORE(buf, state, LeftShock, 18);
PROCESS_BUTTON_STATE_RESTORE(buf, state, RightShock, 19);
}
}
return buf;
}
#undef PROCESS_BUTTON_STATE_RESTORE
uint16 CRecordDataForGame::CalcGameChecksum(void)
{
uint32 checksum = 0;
int i = CPools::GetPedPool()->GetSize();
while (i--) {
CPed* pPed = CPools::GetPedPool()->GetSlot(i);
if (!pPed)
continue;
checksum ^= pPed->GetModelIndex() ^ *(uint32*)&pPed->GetPosition().z ^ *(uint32*)&pPed->GetPosition().y ^ *(uint32*)&pPed->GetPosition().x;
}
i = CPools::GetVehiclePool()->GetSize();
while (i--) {
CVehicle* pVehicle = CPools::GetVehiclePool()->GetSlot(i);
if (!pVehicle)
continue;
checksum ^= pVehicle->GetModelIndex() ^ *(uint32*)&pVehicle->GetPosition().z ^ *(uint32*)&pVehicle->GetPosition().y ^ *(uint32*)&pVehicle->GetPosition().x;
}
return checksum ^ checksum >> 16;
}
WRAPPER void CRecordDataForChase::Init(void)
{
EAXJMP(0x434780);
}
WRAPPER void CRecordDataForChase::SaveOrRetrieveDataForThisFrame(void) { EAXJMP(0x4347F0); }
WRAPPER void CRecordDataForChase::ProcessControlCars(void) { EAXJMP(0x435540); }
WRAPPER void CRecordDataForChase::SaveOrRetrieveCarPositions(void) { EAXJMP(0x434B20); }
WRAPPER void CRecordDataForChase::StartChaseScene(float) { EAXJMP(0x435690); }
WRAPPER void CRecordDataForChase::CleanUpChaseScene() { EAXJMP(0x4357C0); }
WRAPPER void CRecordDataForChase::RemoveCarFromChase(int32) { EAXJMP(0x435BC0); }
WRAPPER CVehicle* CRecordDataForChase::TurnChaseCarIntoScriptCar(int32) { EAXJMP(0x435C00); }
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