diff --git a/Core/CwCheat.h b/Core/CwCheat.h new file mode 100644 index 0000000000..e04945da71 --- /dev/null +++ b/Core/CwCheat.h @@ -0,0 +1,494 @@ + +#include +#include +#include +#include +#include + +#include "Core\MemMap.h" + +using namespace std; +class CheatsThread; +class CheatsGUI; +vector makeCodeParts(string l); +void trim2(string& str); +static long parseLong(string s); +static long parseHexLong(string s); + + +class CheatsGUI { +private: + + static long const serialVersionUID = 6791588139795694296L; + static long const int cheatsThreadSleepMillis = 5; + bool cheatsOn; + CheatsThread cheatsThread; +public: + CheatsGUI(); + string String(); + void addCheatLine(string& line); + void onCheatsThreadEnded(); + void dispose(); + vector getCodesList(); +}; +class CheatsThread { + private: + std::vector codes; + int currentCode; + CheatsGUI cheats; + bool exit2; + void skipCodes(int count); + void skipAllCodes(); + int getAddress(int value); + + + public: + CheatsThread(CheatsGUI cheats); + void exit(); + void run(); + string getNextCode(); +}; + +CheatsThread::CheatsThread(CheatsGUI cheats){ + this->cheats = cheats; +} + +void CheatsThread::exit() { + exit2 = true; +} + +string CheatsThread::getNextCode() { + string code; + string modifier = "_L"; + while (true) { + if (currentCode >= codes.size()) { + code.clear(); + break; + } + + code = codes[currentCode++]; + trim2(code); + + if (code.substr(0,2) == modifier) { + code = code.substr(3,21); + } + else if (code[0] == '0') { + break; + } + } + return code; +} + +void CheatsThread::skipCodes(int count) { + for (int i = 0; i < count; i ++) { + if (getNextCode() == "") { + break; + } + } +} + +void CheatsThread::skipAllCodes() { + currentCode = codes.size(); +} + +int CheatsThread::getAddress(int value) { + // The User space base address has to be added to given value + return (value + 0x08800000) & 0x3FFFFFFF; +} + +void CheatsThread::run() { + while (!exit2) { + codes = cheats.getCodesList(); //UI Member + currentCode = 0; + + while (true) { + string code = getNextCode(); + vectorparts = makeCodeParts(code); + int value; + trim2(parts[0]); + trim2(parts[1]); + int comm = (int)parseHexLong(parts[0]); + int arg = (int)parseHexLong(parts[1]); + int addr = getAddress(comm & 0x0FFFFFFF); + + switch (comm >> 28) { + case 0: // 8-bit write. + if (Memory::IsValidAddress(addr)){ + Memory::Write_U8((u8) arg, addr); + } + break; + case 0x1: // 16-bit write + if (Memory::IsValidAddress(addr)){ + Memory::Write_U16((u16) arg, addr); + } + break; + case 0x2: // 32-bit write + if (Memory::IsValidAddress(addr)){ + Memory::Write_U32((u32) arg, addr); + } + break; + case 0x3: // Increment/Decrement + { + addr = getAddress(arg); + value = 0; + int increment = 0; + // Read value from memory + switch ((comm >> 20) & 0xF) { + case 1: + case 2: // 8-bit + value = Memory::Read_U8(addr); + increment = comm & 0xFF; + break; + case 3: + case 4: // 16-bit + value = Memory::Read_U16(addr); + increment = comm & 0xFFFF; + break; + case 5: + case 6: // 32-bit + value = Memory::Read_U32(addr); + code = getNextCode(); + parts = makeCodeParts(code); + trim2(parts[0]); + if ( parts[0] != "") { + increment = (int) parseHexLong(parts[0]); + } + break; + } + // Increment/Decrement value + switch ((comm >> 20) & 0xF) { + case 1: + case 3: + case 5: // increment + value += increment; + break; + case 2: + case 4: + case 6: // Decrement + value -= increment; + break; + } + // Write value back to memory + switch ((comm >> 20) & 0xF) { + case 1: + case 2: // 8-bit + Memory::Write_U8((u8) value, addr); + break; + case 3: + case 4: // 16-bit + Memory::Write_U16((u16) value, addr); + break; + case 5: + case 6: // 32-bit + Memory::Write_U32((u32) value, addr); + break; + } + break; } + case 0x4: // 32-bit patch code + code = getNextCode(); + parts = makeCodeParts(code); + trim2(parts[0]); + trim2(parts[1]); + if (parts[0] != "") { + int data = (int) parseHexLong(parts[0]); + int dataAdd = (int) parseHexLong(parts[1]); + + int maxAddr = (arg >> 16) & 0xFFFF; + int stepAddr = (arg & 0xFFFF) * 4; + for (int a = 0; a < maxAddr; a++) { + if (Memory::IsValidAddress(addr)) { + Memory::Write_U32((u32) data, addr); + } + addr += stepAddr; + data += dataAdd; + } + } + break; + case 0x5: // Memcpy command + code = getNextCode(); + parts = makeCodeParts(code); + trim2(parts[0]); + trim2(parts[1]); + if (parts[0] != "") { + int destAddr = (int) parseHexLong(parts[0]); + if (Memory::IsValidAddress(addr) && Memory::IsValidAddress(destAddr)) { + Memory::Memcpy(destAddr, Memory::GetPointer(addr), arg); + } + } + break; + case 0x6: // Pointer commands + code = getNextCode(); + parts = makeCodeParts(code); + trim2(parts[0]); + trim2(parts[1]); + if (parts[0] != "") { + int arg2 = (int) parseHexLong(parts[0]); + int offset = (int) parseHexLong(parts[1]); + int baseOffset = (arg2 >> 20) * 4; + int base = Memory::Read_U32(addr + baseOffset); + int count = arg2 & 0xFFFF; + int type = (arg2 >> 16) & 0xF; + for (int i = 1; i < count; i ++ ) { + if (i+1 < count) { + code = getNextCode(); + parts = makeCodeParts(code); + trim2(parts[0]); + trim2(parts[1]); + int arg3 = (int) parseHexLong(parts[0]); + int arg4 = (int) parseHexLong(parts[1]); + int comm3 = arg3 >> 28; + switch (comm3) { + case 0x1: // type copy byte + { + int srcAddr = Memory::Read_U32(addr) + offset; + int dstAddr = Memory::Read_U16(addr + baseOffset) + (arg3 & 0x0FFFFFFF); + Memory::Memcpy(dstAddr, Memory::GetPointer(srcAddr), arg); + type = -1; //Done + break; } + case 0x2: + case 0x3: // type pointer walk + { + int walkOffset = arg3 & 0x0FFFFFFF; + if (comm3 == 0x3) { + walkOffset = -walkOffset; + } + base = Memory::Read_U32(base + walkOffset); + int comm4 = arg4 >> 28; + switch (comm4) { + case 0x2: + case 0x3: // type pointer walk + walkOffset = arg4 & 0x0FFFFFFF; + if (comm4 == 0x3) { + walkOffset = -walkOffset; + } + base = Memory::Read_U32(base + walkOffset); + break; + } + break; } + case 0x9: // type multi address write + base += arg3 & 0x0FFFFFFF; + arg += arg4; + break; + } + } + } + + switch (type) { + case 0: // 8 bit write + Memory::Write_U8((u8) arg, base + offset); + break; + case 1: // 16-bit write + Memory::Write_U16((u16) arg, base + offset); + break; + case 2: // 32-bit write + Memory::Write_U32((u32) arg, base + offset); + break; + case 3: // 8 bit inverse write + Memory::Write_U8((u8) arg, base - offset); + break; + case 4: // 16-bit inverse write + Memory::Write_U16((u16) arg, base - offset); + break; + case 5: // 32-bit inverse write + Memory::Write_U32((u32) arg, base - offset); + break; + case -1: // Operation already performed, nothing to do + break; + } + } + break; + case 0x7: // Boolean commands. + switch (arg >> 16) { + case 0x0000: // 8-bit OR. + if (Memory::IsValidAddress(addr)) { + int val1 = (int) (arg & 0xFF); + int val2 = (int) Memory::Read_U8(addr); + Memory::Write_U8((u8) (val1 | val2), addr); + } + break; + case 0x0002: // 8-bit AND. + if (Memory::IsValidAddress(addr)) { + int val1 = (int) (arg & 0xFF); + int val2 = (int) Memory::Read_U8(addr); + Memory::Write_U8((u8) (val1 & val2), addr); + } + break; + case 0x0004: // 8-bit XOR. + if (Memory::IsValidAddress(addr)) { + int val1 = (int) (arg & 0xFF); + int val2 = (int) Memory::Read_U8(addr); + Memory::Write_U8((u8) (val1 ^ val2), addr); + } + break; + case 0x0001: // 16-bit OR. + if (Memory::IsValidAddress(addr)) { + short val1 = (short) (arg & 0xFFFF); + short val2 = (short) Memory::Read_U16(addr); + Memory::Write_U16((u16) (val1 | val2), addr); + } + break; + case 0x0003: // 16-bit AND. + if (Memory::IsValidAddress(addr)) { + short val1 = (short) (arg & 0xFFFF); + short val2 = (short) Memory::Read_U16(addr); + Memory::Write_U16((u16) (val1 & val2), addr); + } + break; + case 0x0005: // 16-bit OR. + if (Memory::IsValidAddress(addr)) { + short val1 = (short) (arg & 0xFFFF); + short val2 = (short) Memory::Read_U16(addr); + Memory::Write_U16((u16) (val1 ^ val2), addr); + } + break; + } + break; + case 0x8: // 8-bit and 16-bit patch code + code = getNextCode(); + parts = makeCodeParts(code); + trim2(parts[0]); + trim2(parts[1]); + if (parts[0] != "") { + int data = (int) parseHexLong(parts[0]); + int dataAdd = (int) parseHexLong(parts[1]); + + bool is8Bit = (data >> 16) == 0x0000; + int maxAddr = (arg >> 16) & 0xFFFF; + int stepAddr = (arg & 0xFFFF) * (is8Bit ? 1 : 2); + for (int a = 0; a < maxAddr; a++) { + if (Memory::IsValidAddress(addr)) { + if (is8Bit) { + Memory::Write_U8((u8) (data & 0xFF), addr); + } + else { + Memory::Write_U16((u16) (data & 0xFFFF), addr); + } + } + addr += stepAddr; + data += dataAdd; + } + } + break; + case 0xB: // Time command (not sure what to do?) + break; + case 0xC: // Code stopper + if (Memory::IsValidAddress(addr)) { + value = Memory::Read_U32(addr); + if (value != arg) { + skipAllCodes(); + } + } + break; + case 0xD: // Test commands & Jocker codes ( Someone will have to help me with these) + break; + case 0xE: // Test commands, multiple skip + bool is8Bit = (comm >> 24) == 0x1; + addr = getAddress(arg & 0x0FFFFFFF); + if (Memory::IsValidAddress(addr)) { + int memoryValue = is8Bit ? Memory::Read_U8(addr) : Memory::Read_U16(addr); + int testValue = comm & (is8Bit ? 0xFF : 0xFFFF); + bool executeNextLines = false; + switch ( arg >> 28) { + case 0x0: // Equal + executeNextLines = memoryValue == testValue; + break; + case 0x1: // Not Equal + executeNextLines = memoryValue != testValue; + break; + case 0x2: // Less Than + executeNextLines = memoryValue < testValue; + break; + case 0x3: // Greater Than + executeNextLines = memoryValue > testValue; + break; + } + if (!executeNextLines) { + int skip = (comm >> 16) & (is8Bit ? 0xFF : 0xFFF); + skipCodes(skip); + } + } + break; + } + } + } + // exiting... + cheats.onCheatsThreadEnded(); + } + +CheatsGUI::CheatsGUI() { +} + +void CheatsGUI::addCheatLine(string& line) { + //Need GUI text area here + string cheatCodes; + if (cheatCodes.length() <= 0) { + cheatCodes = line; + } else { + cheatCodes += "/n" + line; + } + } + + +static long parseHexLong(string s) { + long value = 0; + + if (s.substr(0,2) == "0x") { + s = s.substr(2); + } + value = strtol(s.c_str(),NULL, 16); + return value; + } +static long parseLong(string s) { + long value = 0; + if (s.substr(0,2) == "0x") { + s = s.substr(2); + value = strtol(s.c_str(),NULL, 16); + } else { + value = strtol(s.c_str(),NULL, 10); + } + return value; + } + + +void trim2(string& str) +{ + string::size_type pos = str.find_last_not_of(' '); + if(pos != string::npos) { + str.erase(pos + 1); + pos = str.find_first_not_of(' '); + if(pos != string::npos) str.erase(0, pos); + } + else str.erase(str.begin(), str.end()); +} + +vector makeCodeParts(string l) { + vector parts; + char split_char = '/n'; + char empty = ' '; + + for (int i=0; i < l.length(); i++) { + if (l[i] == empty) { + l[i] = '\n'; + } + } + trim2(l); + istringstream iss (l); + for (std::string each; std::getline(iss, each, split_char);parts.push_back(each)) + {} + return parts; +} + +vector CheatsGUI::getCodesList() { + string text = "0x203BFA00 0x3B9AC9FF"; + vector codes; + trim2(text); + codes = makeCodeParts(text); + return codes; +} + +void CheatsGUI::onCheatsThreadEnded() { + cheatsThread = NULL; + } +void CheatsGUI::dispose() { +} +