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https://github.com/citra-emu/citra.git
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573036b38e
Added a few interfaces for adding/deleting/replacing/saving cheats. The cheats list is guarded by a std::shared_mutex, and would only need a exclusive lock when it's being updated. I marked the `Execute` function as `const` to avoid accidentally changing the internal state of the cheat on execution, so that execution can be considered a "read" operation which only needs a shared lock. Whether a cheat is enabled or not is now saved by a special comment line `*citra_enabled`.
87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
// Copyright 2018 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <atomic>
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#include <memory>
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#include "core/cheats/cheat_base.h"
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namespace Cheats {
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class GatewayCheat final : public CheatBase {
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public:
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enum class CheatType {
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Null = -0x1,
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Write32 = 0x00,
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Write16 = 0x01,
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Write8 = 0x02,
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GreaterThan32 = 0x03,
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LessThan32 = 0x04,
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EqualTo32 = 0x05,
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NotEqualTo32 = 0x06,
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GreaterThan16WithMask = 0x07,
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LessThan16WithMask = 0x08,
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EqualTo16WithMask = 0x09,
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NotEqualTo16WithMask = 0x0A,
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LoadOffset = 0x0B,
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Loop = 0x0C,
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Terminator = 0xD0,
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LoopExecuteVariant = 0xD1,
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FullTerminator = 0xD2,
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SetOffset = 0xD3,
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AddValue = 0xD4,
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SetValue = 0xD5,
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IncrementiveWrite32 = 0xD6,
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IncrementiveWrite16 = 0xD7,
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IncrementiveWrite8 = 0xD8,
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Load32 = 0xD9,
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Load16 = 0xDA,
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Load8 = 0xDB,
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AddOffset = 0xDC,
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Joker = 0xDD,
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Patch = 0xE,
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};
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struct CheatLine {
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explicit CheatLine(const std::string& line);
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CheatType type;
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u32 address;
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u32 value;
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u32 first;
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std::string cheat_line;
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bool valid = true;
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};
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GatewayCheat(std::string name, std::vector<CheatLine> cheat_lines, std::string comments);
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GatewayCheat(std::string name, std::string code, std::string comments);
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~GatewayCheat();
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void Execute(Core::System& system) const override;
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bool IsEnabled() const override;
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void SetEnabled(bool enabled) override;
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std::string GetComments() const override;
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std::string GetName() const override;
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std::string GetType() const override;
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std::string GetCode() const override;
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std::string ToString() const override;
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/// Gateway cheats look like:
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/// [Name]
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/// 12345678 90ABCDEF
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/// 12345678 90ABCDEF
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/// (there might be multiple lines of those hex numbers)
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/// Comment lines start with a '*'
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/// This function will pares the file for such structures
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static std::vector<std::unique_ptr<CheatBase>> LoadFile(const std::string& filepath);
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private:
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std::atomic<bool> enabled = false;
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const std::string name;
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std::vector<CheatLine> cheat_lines;
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const std::string comments;
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};
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} // namespace Cheats
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