46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
#include "stdafx.h"
|
|
#include "RewindData.h"
|
|
#include "Console.h"
|
|
#include "../Utilities/miniz.h"
|
|
|
|
void RewindData::GetStateData(stringstream &stateData)
|
|
{
|
|
unsigned long length = OriginalSaveStateSize;
|
|
uint8_t* buffer = new uint8_t[length];
|
|
uncompress(buffer, &length, SaveStateData.data(), (unsigned long)SaveStateData.size());
|
|
stateData.write((char*)buffer, length);
|
|
delete[] buffer;
|
|
}
|
|
|
|
void RewindData::LoadState(shared_ptr<Console> &console)
|
|
{
|
|
if(SaveStateData.size() > 0 && OriginalSaveStateSize > 0) {
|
|
unsigned long length = OriginalSaveStateSize;
|
|
uint8_t* buffer = new uint8_t[length];
|
|
uncompress(buffer, &length, SaveStateData.data(), (unsigned long)SaveStateData.size());
|
|
console->LoadState(buffer, length);
|
|
delete[] buffer;
|
|
}
|
|
}
|
|
|
|
void RewindData::CompressState(string stateData, vector<uint8_t>& compressedState)
|
|
{
|
|
unsigned long compressedSize = compressBound((unsigned long)stateData.size());
|
|
uint8_t* compressedData = new uint8_t[compressedSize];
|
|
compress(compressedData, &compressedSize, (unsigned char*)stateData.c_str(), (unsigned long)stateData.size());
|
|
compressedState = vector<uint8_t>(compressedData, compressedData + compressedSize);
|
|
delete[] compressedData;
|
|
}
|
|
|
|
void RewindData::SaveState(shared_ptr<Console> &console)
|
|
{
|
|
std::stringstream state;
|
|
console->SaveState(state);
|
|
|
|
string stateData = state.str();
|
|
vector<uint8_t> compressedState;
|
|
CompressState(stateData, compressedState);
|
|
SaveStateData = compressedState;
|
|
OriginalSaveStateSize = (uint32_t)stateData.size();
|
|
FrameCount = 0;
|
|
}
|