suyu/src/core/memory/cheat_engine.h
Lioncash 9a07ed53eb core: Make variable shadowing a compile-time error
Now that we have most of core free of shadowing, we can enable the
warning as an error to catch anything that may be remaining and also
eliminate this class of logic bug entirely.
2021-05-16 03:43:16 -04:00

88 lines
2.4 KiB
C++

// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <atomic>
#include <chrono>
#include <memory>
#include <vector>
#include "common/common_types.h"
#include "core/memory/dmnt_cheat_types.h"
#include "core/memory/dmnt_cheat_vm.h"
namespace Core {
class System;
}
namespace Core::Timing {
class CoreTiming;
struct EventType;
} // namespace Core::Timing
namespace Core::Memory {
class StandardVmCallbacks : public DmntCheatVm::Callbacks {
public:
StandardVmCallbacks(System& system_, const CheatProcessMetadata& metadata_);
~StandardVmCallbacks() override;
void MemoryRead(VAddr address, void* data, u64 size) override;
void MemoryWrite(VAddr address, const void* data, u64 size) override;
u64 HidKeysDown() override;
void DebugLog(u8 id, u64 value) override;
void CommandLog(std::string_view data) override;
private:
VAddr SanitizeAddress(VAddr address) const;
const CheatProcessMetadata& metadata;
System& system;
};
// Intermediary class that parses a text file or other disk format for storing cheats into a
// CheatList object, that can be used for execution.
class CheatParser {
public:
virtual ~CheatParser();
[[nodiscard]] virtual std::vector<CheatEntry> Parse(std::string_view data) const = 0;
};
// CheatParser implementation that parses text files
class TextCheatParser final : public CheatParser {
public:
~TextCheatParser() override;
[[nodiscard]] std::vector<CheatEntry> Parse(std::string_view data) const override;
};
// Class that encapsulates a CheatList and manages its interaction with memory and CoreTiming
class CheatEngine final {
public:
CheatEngine(System& system_, std::vector<CheatEntry> cheats_,
const std::array<u8, 0x20>& build_id_);
~CheatEngine();
void Initialize();
void SetMainMemoryParameters(VAddr main_region_begin, u64 main_region_size);
void Reload(std::vector<CheatEntry> reload_cheats);
private:
void FrameCallback(std::uintptr_t user_data, std::chrono::nanoseconds ns_late);
DmntCheatVm vm;
CheatProcessMetadata metadata;
std::vector<CheatEntry> cheats;
std::atomic_bool is_pending_reload{false};
std::shared_ptr<Core::Timing::EventType> event;
Core::Timing::CoreTiming& core_timing;
Core::System& system;
};
} // namespace Core::Memory