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https://github.com/SourMesen/Mesen.git
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Added missing cheat-related files
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Souryo
parent
c895d1252e
commit
f88b3921f9
2 changed files with 280 additions and 0 deletions
157
Core/CheatManager.cpp
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157
Core/CheatManager.cpp
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#include "stdafx.h"
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#include "CheatManager.h"
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#include "Console.h"
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#include "MessageManager.h"
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CheatManager* CheatManager::Instance = new CheatManager();
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CheatManager::CheatManager()
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{
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for(int i = 0; i <= 0xFFFF; i++) {
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_relativeCheatCodes.push_back(nullptr);
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}
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}
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uint32_t CheatManager::DecodeValue(uint32_t code, uint32_t* bitIndexes, uint32_t bitCount)
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{
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uint32_t result = 0;
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for(uint32_t i = 0; i < bitCount; i++) {
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result <<= 1;
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result |= (code >> bitIndexes[i]) & 0x01;
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}
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return result;
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}
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CodeInfo CheatManager::GetGGCodeInfo(string ggCode)
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{
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string ggLetters = "APZLGITYEOXUKSVN";
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uint32_t rawCode = 0;
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for(int i = 0, len = ggCode.size(); i < len; i++) {
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rawCode |= ggLetters.find(ggCode[i]) << (i * 4);
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}
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CodeInfo code = { 0 };
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code.IsRelativeAddress = true;
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code.CompareValue = -1;
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uint32_t addressBits[15] = { 14, 13, 12, 19, 22, 21, 20, 7, 10, 9, 8, 15, 18, 17, 16 };
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uint32_t valueBits[8] = { 3, 6, 5, 4, 23, 2, 1, 0 };
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if(ggCode.size() == 8) {
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//Bit 5 of the value is stored in a different location for 8-character codes
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valueBits[5] = 31;
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uint32_t compareValueBits[8] = { 27, 30, 29, 28, 23, 26, 25, 24 };
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code.CompareValue = DecodeValue(rawCode, compareValueBits, 8);
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}
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code.Address = DecodeValue(rawCode, addressBits, 15) + 0x8000;
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code.Value = DecodeValue(rawCode, valueBits, 8);
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return code;
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}
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CodeInfo CheatManager::GetPARCodeInfo(uint32_t parCode)
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{
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uint32_t shiftValues[31] = {
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3, 13, 14, 1, 6, 9, 5, 0, 12, 7, 2, 8, 10, 11, 4, //address
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19, 21, 23, 22, 20, 17, 16, 18, //compare
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29, 31, 24, 26, 25, 30, 27, 28 //value
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};
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uint32_t key = 0x7E5EE93A;
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uint32_t xorValue = 0x5C184B91;
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//Throw away bit 0, not used.
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parCode >>= 1;
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uint32_t result = 0;
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for(int32_t i = 30; i >= 0; i--) {
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if(((key ^ parCode) >> 30) & 0x01) {
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result |= 0x01 << shiftValues[i];
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key ^= xorValue;
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}
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parCode <<= 1;
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key <<= 1;
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}
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CodeInfo code = { 0 };
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code.IsRelativeAddress = true;
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code.Address = (result & 0x7fff) + 0x8000;
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code.Value = (result >> 24) & 0xFF;
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code.CompareValue = (result >> 16) & 0xFF;
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return code;
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}
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void CheatManager::AddCode(CodeInfo &code)
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{
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if(code.IsRelativeAddress) {
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if(_relativeCheatCodes[code.Address] == nullptr) {
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_relativeCheatCodes[code.Address].reset(new vector<CodeInfo>());
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}
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_relativeCheatCodes[code.Address]->push_back(code);
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} else {
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_absoluteCheatCodes.push_back(code);
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MessageManager::SendNotification(ConsoleNotificationType::CheatAdded);
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}
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}
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void CheatManager::AddGameGenieCode(string code)
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{
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Instance->AddCode(Instance->GetGGCodeInfo(code));
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}
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void CheatManager::AddProActionRockyCode(uint32_t code)
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{
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Instance->AddCode(Instance->GetPARCodeInfo(code));
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}
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void CheatManager::AddCustomCode(uint32_t address, uint8_t value, int32_t compareValue, bool isRelativeAddress)
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{
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CodeInfo code;
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code.Address = address;
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code.Value = value;
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code.CompareValue = compareValue;
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code.IsRelativeAddress = isRelativeAddress;
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Instance->AddCode(code);
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}
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void CheatManager::ClearCodes()
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{
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for(int i = 0; i <= 0xFFFF; i++) {
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Instance->_relativeCheatCodes[i] = nullptr;
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}
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bool sendNotification = Instance->_absoluteCheatCodes.size() > 0;
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Instance->_absoluteCheatCodes.clear();
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if(sendNotification) {
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MessageManager::SendNotification(ConsoleNotificationType::CheatRemoved);
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}
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}
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void CheatManager::ApplyRamCodes(uint16_t addr, uint8_t &value)
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{
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if(Instance->_relativeCheatCodes[addr] != nullptr) {
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for(uint32_t i = 0, len = i < Instance->_relativeCheatCodes[addr]->size(); i < len; i++) {
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CodeInfo code = Instance->_relativeCheatCodes[addr]->at(i);
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if(code.CompareValue == -1 || code.CompareValue == value) {
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value = code.Value;
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return;
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}
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}
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}
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}
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void CheatManager::ApplyPrgCodes(uint8_t *prgRam, uint32_t prgSize)
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{
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Console::Pause();
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for(uint32_t i = 0, len = i < Instance->_absoluteCheatCodes.size(); i < len; i++) {
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CodeInfo code = Instance->_absoluteCheatCodes[i];
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if(code.Address < prgSize) {
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if(code.CompareValue == -1 || code.CompareValue == prgRam[code.Address]) {
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prgRam[code.Address] = code.Value;
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}
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}
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}
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Console::Resume();
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}
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123
GUI.NET/Forms/Cheats/frmCheatList.resx
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123
GUI.NET/Forms/Cheats/frmCheatList.resx
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<?xml version="1.0" encoding="utf-8"?>
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<root>
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<!--
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Microsoft ResX Schema
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Version 2.0
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The primary goals of this format is to allow a simple XML format
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that is mostly human readable. The generation and parsing of the
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various data types are done through the TypeConverter classes
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associated with the data types.
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Example:
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... ado.net/XML headers & schema ...
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<resheader name="resmimetype">text/microsoft-resx</resheader>
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<resheader name="version">2.0</resheader>
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<resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
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<resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
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<data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
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<data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
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<data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
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<value>[base64 mime encoded serialized .NET Framework object]</value>
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</data>
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<data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
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<value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
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<comment>This is a comment</comment>
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</data>
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There are any number of "resheader" rows that contain simple
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name/value pairs.
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Each data row contains a name, and value. The row also contains a
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type or mimetype. Type corresponds to a .NET class that support
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text/value conversion through the TypeConverter architecture.
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Classes that don't support this are serialized and stored with the
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mimetype set.
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The mimetype is used for serialized objects, and tells the
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ResXResourceReader how to depersist the object. This is currently not
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extensible. For a given mimetype the value must be set accordingly:
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Note - application/x-microsoft.net.object.binary.base64 is the format
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that the ResXResourceWriter will generate, however the reader can
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read any of the formats listed below.
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mimetype: application/x-microsoft.net.object.binary.base64
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value : The object must be serialized with
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: System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
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: and then encoded with base64 encoding.
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mimetype: application/x-microsoft.net.object.soap.base64
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value : The object must be serialized with
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: System.Runtime.Serialization.Formatters.Soap.SoapFormatter
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: and then encoded with base64 encoding.
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mimetype: application/x-microsoft.net.object.bytearray.base64
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value : The object must be serialized into a byte array
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: using a System.ComponentModel.TypeConverter
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: and then encoded with base64 encoding.
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-->
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<xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
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<xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
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<xsd:element name="root" msdata:IsDataSet="true">
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<xsd:complexType>
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<xsd:choice maxOccurs="unbounded">
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<xsd:element name="metadata">
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<xsd:complexType>
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<xsd:sequence>
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<xsd:element name="value" type="xsd:string" minOccurs="0" />
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</xsd:sequence>
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<xsd:attribute name="name" use="required" type="xsd:string" />
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<xsd:attribute name="type" type="xsd:string" />
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<xsd:attribute name="mimetype" type="xsd:string" />
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<xsd:attribute ref="xml:space" />
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</xsd:complexType>
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</xsd:element>
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<xsd:element name="assembly">
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<xsd:complexType>
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<xsd:attribute name="alias" type="xsd:string" />
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<xsd:attribute name="name" type="xsd:string" />
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</xsd:complexType>
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</xsd:element>
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<xsd:element name="data">
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<xsd:complexType>
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<xsd:sequence>
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<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
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<xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
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</xsd:sequence>
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<xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
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<xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
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<xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
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<xsd:attribute ref="xml:space" />
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</xsd:complexType>
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</xsd:element>
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<xsd:element name="resheader">
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<xsd:complexType>
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<xsd:sequence>
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<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
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</xsd:sequence>
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<xsd:attribute name="name" type="xsd:string" use="required" />
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</xsd:complexType>
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</xsd:element>
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</xsd:choice>
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</xsd:complexType>
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</xsd:element>
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</xsd:schema>
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<resheader name="resmimetype">
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<value>text/microsoft-resx</value>
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</resheader>
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<resheader name="version">
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<value>2.0</value>
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</resheader>
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<resheader name="reader">
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<value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
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</resheader>
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<resheader name="writer">
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<value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
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</resheader>
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<metadata name="contextMenuCheats.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
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<value>17, 17</value>
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</metadata>
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</root>
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