mirror of
https://github.com/SourMesen/Mesen-S.git
synced 2024-06-23 14:52:12 -04:00
141 lines
3.3 KiB
C++
141 lines
3.3 KiB
C++
#include "stdafx.h"
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#include "CheatManager.h"
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#include "MessageManager.h"
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#include "Console.h"
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#include "NotificationManager.h"
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#include "../Utilities/HexUtilities.h"
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CheatManager::CheatManager(Console* console)
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{
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_console = console;
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}
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void CheatManager::AddCheat(CheatCode code)
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{
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_cheats.push_back(code);
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_cheatsByAddress.emplace(code.Address, code);
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_hasCheats = true;
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_bankHasCheats[code.Address >> 16] = true;
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if(code.Address >= 0x7E0000 && code.Address < 0x7E2000) {
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//Mirror codes for the first 2kb of workram across all workram mirrors
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CheatCode mirror;
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mirror.Value = code.Value;
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for(int i = 0; i < 0x3F; i++) {
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mirror.Address = (i << 16) | (code.Address & 0xFFFF);
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AddCheat(mirror);
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mirror.Address |= 0x800000;
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AddCheat(mirror);
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}
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}
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}
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void CheatManager::SetCheats(vector<CheatCode> codes)
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{
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auto lock = _console->AcquireLock();
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bool hasCheats = !_cheats.empty();
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ClearCheats(false);
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for(CheatCode &code : codes) {
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AddCheat(code);
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}
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if(codes.size() > 1) {
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MessageManager::DisplayMessage("Cheats", "CheatsApplied", std::to_string(codes.size()));
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} else if(codes.size() == 1) {
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MessageManager::DisplayMessage("Cheats", "CheatApplied");
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} else if(hasCheats) {
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MessageManager::DisplayMessage("Cheats", "CheatsDisabled");
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}
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_console->GetNotificationManager()->SendNotification(ConsoleNotificationType::CheatsChanged);
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}
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void CheatManager::SetCheats(uint32_t codes[], uint32_t length)
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{
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vector<CheatCode> cheats;
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cheats.reserve(length);
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for(uint32_t i = 0; i < length; i++) {
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CheatCode code;
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code.Address = codes[i] >> 8;
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code.Value = codes[i] & 0xFF;
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cheats.push_back(code);
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}
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SetCheats(cheats);
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}
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void CheatManager::ClearCheats(bool showMessage)
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{
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auto lock = _console->AcquireLock();
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bool hadCheats = !_cheats.empty();
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_cheats.clear();
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_cheatsByAddress.clear();
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_hasCheats = false;
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memset(_bankHasCheats, 0, sizeof(_bankHasCheats));
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if(showMessage && hadCheats) {
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MessageManager::DisplayMessage("Cheats", "CheatsDisabled");
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//Used by net play
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_console->GetNotificationManager()->SendNotification(ConsoleNotificationType::CheatsChanged);
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}
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}
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void CheatManager::AddStringCheat(string code)
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{
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static string _convertTable = "DF4709156BC8A23E";
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auto lock = _console->AcquireLock();
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std::transform(code.begin(), code.end(), code.begin(), ::toupper);
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if(code.size() == 9 && code[4] == '-') {
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uint32_t rawValue = 0;
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for(int i = 0; i < (int)code.size(); i++) {
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if(code[i] != '-') {
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rawValue <<= 4;
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size_t pos = _convertTable.find_first_of(code[i]);
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if(pos == string::npos) {
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//Invalid code
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return;
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}
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rawValue |= (uint32_t)pos;
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}
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}
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CheatCode cheat;
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cheat.Address = (
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((rawValue & 0x3C00) << 10) |
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((rawValue & 0x3C) << 14) |
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((rawValue & 0xF00000) >> 8) |
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((rawValue & 0x03) << 10) |
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((rawValue & 0xC000) >> 6) |
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((rawValue & 0xF0000) >> 12) |
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((rawValue & 0x3C0) >> 6)
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);
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cheat.Value = rawValue >> 24;
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AddCheat(cheat);
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} else if(code.size() == 8) {
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for(int i = 0; i < (int)code.size(); i++) {
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if((code[i] < 'A' || code[i] > 'F') && (code[i] < '0' || code[i] > '9')) {
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//Invalid code
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return;
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}
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}
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uint32_t rawValue = HexUtilities::FromHex(code);
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CheatCode cheat;
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cheat.Address = rawValue >> 8;
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cheat.Value = rawValue & 0xFF;
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AddCheat(cheat);
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}
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}
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vector<CheatCode> CheatManager::GetCheats()
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{
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return _cheats;
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} |