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savestates: save the build name to be displayed when there's a version mismatch (#6493)
* savestates: add a build_name field to the header * savestates: display build name on save/load menu * savestates: add zero member to header just in case of UB from an older save state * savestates: add legacy hash lookup * savestate_data: update hash database
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@ -1422,10 +1422,17 @@ void GMainWindow::UpdateSaveStates() {
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actions_save_state[i]->setText(tr("Slot %1").arg(i + 1));
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}
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for (const auto& savestate : savestates) {
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const auto text = tr("Slot %1 - %2")
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.arg(savestate.slot)
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.arg(QDateTime::fromSecsSinceEpoch(savestate.time)
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.toString(QStringLiteral("yyyy-MM-dd hh:mm:ss")));
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const bool display_name =
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savestate.status == Core::SaveStateInfo::ValidationStatus::RevisionDismatch &&
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!savestate.build_name.empty();
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const auto text =
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tr("Slot %1 - %2 %3")
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.arg(savestate.slot)
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.arg(QDateTime::fromSecsSinceEpoch(savestate.time)
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.toString(QStringLiteral("yyyy-MM-dd hh:mm:ss")))
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.arg(display_name ? QString::fromStdString(savestate.build_name) : QLatin1String())
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.trimmed();
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actions_load_state[savestate.slot - 1]->setEnabled(true);
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actions_load_state[savestate.slot - 1]->setText(text);
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actions_save_state[savestate.slot - 1]->setText(text);
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@ -463,6 +463,7 @@ add_library(citra_core STATIC
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precompiled_headers.h
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savestate.cpp
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savestate.h
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savestate_data.h
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system_titles.cpp
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system_titles.h
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telemetry_session.cpp
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@ -15,18 +15,21 @@
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#include "core/core.h"
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#include "core/movie.h"
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#include "core/savestate.h"
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#include "core/savestate_data.h"
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#include "network/network.h"
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namespace Core {
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#pragma pack(push, 1)
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struct CSTHeader {
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std::array<u8, 4> filetype; /// Unique Identifier to check the file type (always "CST"0x1B)
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u64_le program_id; /// ID of the ROM being executed. Also called title_id
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std::array<u8, 20> revision; /// Git hash of the revision this savestate was created with
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u64_le time; /// The time when this save state was created
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std::array<u8, 4> filetype; /// Unique Identifier to check the file type (always "CST"0x1B)
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u64_le program_id; /// ID of the ROM being executed. Also called title_id
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std::array<u8, 20> revision; /// Git hash of the revision this savestate was created with
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u64_le time; /// The time when this save state was created
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std::array<u8, 20> build_name; /// The build name (Canary/Nightly) with the version number
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u32_le zero = 0; /// Should be zero, just in case.
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std::array<u8, 216> reserved{}; /// Make heading 256 bytes so it has consistent size
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std::array<u8, 192> reserved{}; /// Make heading 256 bytes so it has consistent size
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};
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static_assert(sizeof(CSTHeader) == 256, "CSTHeader should be 256 bytes");
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#pragma pack(pop)
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@ -58,11 +61,26 @@ static bool ValidateSaveState(const CSTHeader& header, SaveStateInfo& info, u64
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return false;
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}
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const std::string revision = fmt::format("{:02x}", fmt::join(header.revision, ""));
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const std::string build_name =
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header.zero == 0 ? reinterpret_cast<const char*>(header.build_name.data()) : "";
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if (revision == Common::g_scm_rev) {
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info.status = SaveStateInfo::ValidationStatus::OK;
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} else {
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LOG_WARNING(Core, "Save state file {} created from a different revision {}", path,
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revision);
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if (!build_name.empty()) {
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info.build_name = build_name;
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} else if (hash_to_version.find(revision) != hash_to_version.end()) {
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info.build_name = hash_to_version.at(revision);
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}
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if (info.build_name.empty()) {
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LOG_WARNING(Core, "Save state file {} created from a different revision {}", path,
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revision);
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} else {
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LOG_WARNING(Core,
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"Save state file {} created from a different build {} with revision {}",
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path, info.build_name, revision);
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}
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info.status = SaveStateInfo::ValidationStatus::RevisionDismatch;
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}
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return true;
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@ -134,6 +152,10 @@ void System::SaveState(u32 slot) const {
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header.time = std::chrono::duration_cast<std::chrono::seconds>(
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std::chrono::system_clock::now().time_since_epoch())
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.count();
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const std::string build_fullname = Common::g_build_fullname;
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std::memset(header.build_name.data(), 0, sizeof(header.build_name));
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std::memcpy(header.build_name.data(), build_fullname.c_str(),
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std::min(build_fullname.length(), sizeof(header.build_name) - 1));
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if (file.WriteBytes(&header, sizeof(header)) != sizeof(header) ||
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file.WriteBytes(buffer.data(), buffer.size()) != buffer.size()) {
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@ -4,6 +4,7 @@
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#pragma once
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#include <string>
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#include <vector>
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#include "common/common_types.h"
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@ -16,6 +17,7 @@ struct SaveStateInfo {
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OK,
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RevisionDismatch,
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} status;
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std::string build_name;
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};
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constexpr u32 SaveStateSlotCount = 10; // Maximum count of savestate slots
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1427
src/core/savestate_data.h
Normal file
1427
src/core/savestate_data.h
Normal file
File diff suppressed because it is too large
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