piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-23 06:09:50 -06:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #8861 from JosJuice/netplay-hash

Browse Source 
Make netplay's "same game" check more robust
This commit is contained in:
JMC47
2020-09-06 17:14:08 -04:00
committed by GitHub
parent 344fdabf23 fc6c1931fa
commit e7e5175606
35 changed files with 523 additions and 157 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
Source/Core/DiscIO/Volume.h
View File

@ -12,6 +12,8 @@
#include <string>
#include <vector>
#include <mbedtls/sha1.h>
#include "Common/CommonTypes.h"
#include "Common/StringUtil.h"
#include "Common/Swap.h"
@ -143,6 +145,13 @@ public:
virtual u64 GetRawSize() const = 0;
virtual const BlobReader& GetBlobReader() const = 0;
// This hash is intended to be (but is not guaranteed to be):
// 1. Identical for discs with no differences that affect netplay/TAS sync
// 2. Different for discs with differences that affect netplay/TAS sync
// 3. Much faster than hashing the entire disc
// The way the hash is calculated may change with updates to Dolphin.
virtual std::array<u8, 20> GetSyncHash() const = 0;
protected:
template <u32 N>
std::string DecodeString(const char (&data)[N]) const
@ -156,6 +165,10 @@ protected:
return CP1252ToUTF8(string);
}
void ReadAndAddToSyncHash(mbedtls_sha1_context* context, u64 offset, u64 length,
const Partition& partition) const;
void AddTMDToSyncHash(mbedtls_sha1_context* context, const Partition& partition) const;
virtual u32 GetOffsetShift() const { return 0; }
static std::map<Language, std::string> ReadWiiNames(const std::vector<char16_t>& data);