81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
/*
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Created on: Sep 23, 2019
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Copyright 2019 flyinghead
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This file is part of Flycast.
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Flycast is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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Flycast is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Flycast. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "types.h"
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struct WidescreenCheat
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{
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const char *game_id;
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const char *area_or_version;
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u32 addresses[16];
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u32 values[16];
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};
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struct Cheat
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{
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enum class Type {
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disabled,
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setValue,
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increase,
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decrease,
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runNextIfEq,
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runNextIfNeq,
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runNextIfGt,
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runNextIfLt
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};
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Type type = Type::disabled;
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std::string description;
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bool enabled = false;
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u32 size = 0;
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u32 address = 0;
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u32 value = 0;
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u32 repeatCount = 1;
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u32 repeatValueIncrement = 0;
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u32 repeatAddressIncrement = 0;
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};
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class CheatManager
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{
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public:
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void reset(const std::string& gameId);
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void apply();
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size_t cheatCount() const { return cheats.size(); }
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const std::string& cheatDescription(size_t index) const { return cheats[index].description; }
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bool cheatEnabled(size_t index) const { return cheats[index].enabled; }
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void enableCheat(size_t index, bool enabled) { cheats[index].enabled = enabled; }
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void loadCheatFile(const std::string& filename);
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// Returns true if using 16:9 anamorphic screen ratio
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bool isWidescreen() const { return widescreen_cheat != nullptr; }
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private:
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u32 readRam(u32 addr, u32 bits);
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void writeRam(u32 addr, u32 value, u32 bits);
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static const WidescreenCheat widescreen_cheats[];
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static const WidescreenCheat naomi_widescreen_cheats[];
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const WidescreenCheat *widescreen_cheat = nullptr;
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bool active = false;
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std::vector<Cheat> cheats;
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std::string gameId;
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};
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extern CheatManager cheatManager;
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