Enable patches on cli builds (#897)

* patch support for cli

* fix mac build

* format

CMakeLists.txt

@@ -376,6 +376,8 @@ set(COMMON src/common/logging/backend.cpp
            src/common/version.h
            src/common/ntapi.h
            src/common/ntapi.cpp
+           src/common/memory_patcher.h
+           src/common/memory_patcher.cpp
            src/common/scm_rev.cpp
            src/common/scm_rev.h
 )
@@ -628,8 +630,6 @@ set(QT_GUI src/qt_gui/about_dialog.cpp
            src/qt_gui/about_dialog.ui
            src/qt_gui/cheats_patches.cpp
            src/qt_gui/cheats_patches.h
-           src/qt_gui/memory_patcher.cpp
-           src/qt_gui/memory_patcher.h
            src/qt_gui/main_window_ui.h
            src/qt_gui/main_window.cpp
            src/qt_gui/main_window.h

src/common/memory_patcher.cpp

@@ -2,14 +2,20 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <algorithm>
+#include <codecvt>
+#include <sstream>
 #include <string>
+#include <pugixml.hpp>
+#ifdef ENABLE_QT_GUI
 #include <QFile>
 #include <QJsonArray>
 #include <QJsonDocument>
 #include <QJsonObject>
 #include <QListView>
 #include <QMessageBox>
+#include <QString>
 #include <QXmlStreamReader>
+#endif
 #include "common/logging/log.h"
 #include "common/path_util.h"
 #include "memory_patcher.h"
@@ -17,78 +23,169 @@
 namespace MemoryPatcher {
 
 uintptr_t g_eboot_address;
-u64 g_eboot_image_size;
+uint64_t g_eboot_image_size;
 std::string g_game_serial;
+std::string patchFile;
 std::vector<patchInfo> pending_patches;
 
-QString toHex(unsigned long long value, size_t byteSize) {
+std::string toHex(unsigned long long value, size_t byteSize) {
     std::stringstream ss;
     ss << std::hex << std::setfill('0') << std::setw(byteSize * 2) << value;
-    return QString::fromStdString(ss.str());
+    return ss.str();
 }
 
-QString convertValueToHex(const QString& type, const QString& valueStr) {
-    QString result;
-    std::string typeStr = type.toStdString();
-    std::string valueStrStd = valueStr.toStdString();
+std::string convertValueToHex(const std::string type, const std::string valueStr) {
+    std::string result;
 
-    if (typeStr == "byte") {
-        unsigned int value = std::stoul(valueStrStd, nullptr, 16);
+    if (type == "byte") {
+        unsigned int value = std::stoul(valueStr, nullptr, 16);
         result = toHex(value, 1);
-    } else if (typeStr == "bytes16") {
-        unsigned int value = std::stoul(valueStrStd, nullptr, 16);
+    } else if (type == "bytes16") {
+        unsigned int value = std::stoul(valueStr, nullptr, 16);
         result = toHex(value, 2);
-    } else if (typeStr == "bytes32") {
-        unsigned long value = std::stoul(valueStrStd, nullptr, 16);
+    } else if (type == "bytes32") {
+        unsigned long value = std::stoul(valueStr, nullptr, 16);
         result = toHex(value, 4);
-    } else if (typeStr == "bytes64") {
-        unsigned long long value = std::stoull(valueStrStd, nullptr, 16);
+    } else if (type == "bytes64") {
+        unsigned long long value = std::stoull(valueStr, nullptr, 16);
         result = toHex(value, 8);
-    } else if (typeStr == "float32") {
+    } else if (type == "float32") {
         union {
             float f;
             uint32_t i;
         } floatUnion;
-        floatUnion.f = std::stof(valueStrStd);
+        floatUnion.f = std::stof(valueStr);
         result = toHex(floatUnion.i, sizeof(floatUnion.i));
-    } else if (typeStr == "float64") {
+    } else if (type == "float64") {
         union {
             double d;
             uint64_t i;
         } doubleUnion;
-        doubleUnion.d = std::stod(valueStrStd);
+        doubleUnion.d = std::stod(valueStr);
         result = toHex(doubleUnion.i, sizeof(doubleUnion.i));
-    } else if (typeStr == "utf8") {
-        QByteArray byteArray = QString::fromStdString(valueStrStd).toUtf8();
-        byteArray.append('\0');
+    } else if (type == "utf8") {
+        std::vector<unsigned char> byteArray =
+            std::vector<unsigned char>(valueStr.begin(), valueStr.end());
+        byteArray.push_back('\0');
         std::stringstream ss;
         for (unsigned char c : byteArray) {
             ss << std::hex << std::setfill('0') << std::setw(2) << static_cast<int>(c);
         }
-        result = QString::fromStdString(ss.str());
-    } else if (typeStr == "utf16") {
-        QByteArray byteArray(
-            reinterpret_cast<const char*>(QString::fromStdString(valueStrStd).utf16()),
-            QString::fromStdString(valueStrStd).size() * 2);
-        byteArray.append('\0');
-        byteArray.append('\0');
-        std::stringstream ss;
-        for (unsigned char c : byteArray) {
-            ss << std::hex << std::setfill('0') << std::setw(2) << static_cast<int>(c);
+        result = ss.str();
+    } else if (type == "utf16") {
+        std::wstring wide_str(valueStr.size(), L'\0');
+        std::mbstowcs(&wide_str[0], valueStr.c_str(), valueStr.size());
+        wide_str.resize(std::wcslen(wide_str.c_str()));
+
+        std::u16string valueStringU16;
+
+        for (wchar_t wc : wide_str) {
+            if (wc <= 0xFFFF) {
+                valueStringU16.push_back(static_cast<char16_t>(wc));
+            } else {
+                wc -= 0x10000;
+                valueStringU16.push_back(static_cast<char16_t>(0xD800 | (wc >> 10)));
+                valueStringU16.push_back(static_cast<char16_t>(0xDC00 | (wc & 0x3FF)));
+            }
         }
-        result = QString::fromStdString(ss.str());
-    } else if (typeStr == "bytes") {
+
+        std::vector<unsigned char> byteArray;
+        // convert to little endian
+        for (char16_t ch : valueStringU16) {
+            unsigned char low_byte = static_cast<unsigned char>(ch & 0x00FF);
+            unsigned char high_byte = static_cast<unsigned char>((ch >> 8) & 0x00FF);
+
+            byteArray.push_back(low_byte);
+            byteArray.push_back(high_byte);
+        }
+        byteArray.push_back('\0');
+        byteArray.push_back('\0');
+        std::stringstream ss;
+
+        for (unsigned char ch : byteArray) {
+            ss << std::hex << std::setw(2) << std::setfill('0') << static_cast<int>(ch);
+        }
+        result = ss.str();
+    } else if (type == "bytes") {
         result = valueStr;
-    } else if (typeStr == "mask" || typeStr == "mask_jump32") {
+    } else if (type == "mask" || type == "mask_jump32") {
         result = valueStr;
     } else {
-        LOG_INFO(Loader, "Error applying Patch, unknown type: {}", typeStr);
+        LOG_INFO(Loader, "Error applying Patch, unknown type: {}", type);
     }
     return result;
 }
 
 void OnGameLoaded() {
 
+    if (!patchFile.empty()) {
+        std::string patchDir = Common::FS::GetUserPath(Common::FS::PathType::PatchesDir).string();
+
+        std::string filePath = patchDir + "/" + patchFile;
+
+        pugi::xml_document doc;
+        pugi::xml_parse_result result = doc.load_file(filePath.c_str());
+
+        if (result) {
+            auto patchXML = doc.child("Patch");
+            for (pugi::xml_node_iterator it = patchXML.children().begin();
+                 it != patchXML.children().end(); ++it) {
+
+                if (std::string(it->name()) == "Metadata") {
+                    if (std::string(it->attribute("isEnabled").value()) == "true") {
+                        auto patchList = it->first_child();
+
+                        std::string currentPatchName = it->attribute("Name").value();
+
+                        for (pugi::xml_node_iterator patchLineIt = patchList.children().begin();
+                             patchLineIt != patchList.children().end(); ++patchLineIt) {
+
+                            std::string type = patchLineIt->attribute("Type").value();
+                            std::string address = patchLineIt->attribute("Address").value();
+                            std::string patchValue = patchLineIt->attribute("Value").value();
+                            std::string maskOffsetStr = patchLineIt->attribute("type").value();
+
+                            patchValue = convertValueToHex(type, patchValue);
+
+                            bool littleEndian = false;
+
+                            if (type == "bytes16") {
+                                littleEndian = true;
+                            } else if (type == "bytes32") {
+                                littleEndian = true;
+                            } else if (type == "bytes64") {
+                                littleEndian = true;
+                            }
+
+                            MemoryPatcher::PatchMask patchMask = MemoryPatcher::PatchMask::None;
+                            int maskOffsetValue = 0;
+
+                            if (type == "mask") {
+                                patchMask = MemoryPatcher::PatchMask::Mask;
+
+                                // im not sure if this works, there is no games to test the mask
+                                // offset on yet
+                                if (!maskOffsetStr.empty())
+                                    maskOffsetValue = std::stoi(maskOffsetStr, 0, 10);
+                            }
+
+                            if (type == "mask_jump32")
+                                patchMask = MemoryPatcher::PatchMask::Mask_Jump32;
+
+                            MemoryPatcher::PatchMemory(currentPatchName, address, patchValue, false,
+                                                       littleEndian, patchMask);
+                        }
+                    }
+                }
+            }
+        } else
+            LOG_ERROR(Loader, "couldnt patch parse xml : {}", result.description());
+
+        ApplyPendingPatches();
+        return;
+    }
+
+#ifdef ENABLE_QT_GUI
     // We use the QT headers for the xml and json parsing, this define is only true on QT builds
     QString patchDir =
         QString::fromStdString(Common::FS::GetUserPath(Common::FS::PathType::PatchesDir).string());
@@ -190,7 +287,8 @@ void OnGameLoaded() {
                             QString patchValue = lineObject["Value"].toString();
                             QString maskOffsetStr = lineObject["Offset"].toString();
 
-                            patchValue = convertValueToHex(type, patchValue);
+                            patchValue = QString::fromStdString(
+                                convertValueToHex(type.toStdString(), patchValue.toStdString()));
 
                             bool littleEndian = false;
 
@@ -233,6 +331,7 @@ void OnGameLoaded() {
         }
         ApplyPendingPatches();
     }
+#endif
 }
 
 void AddPatchToQueue(patchInfo patchToAdd) {

src/common/memory_patcher.h

@@ -5,13 +5,13 @@
 #include <cstring>
 #include <string>
 #include <vector>
-#include <QString>
 
 namespace MemoryPatcher {
 
 extern uintptr_t g_eboot_address;
-extern u64 g_eboot_image_size;
+extern uint64_t g_eboot_image_size;
 extern std::string g_game_serial;
+extern std::string patchFile;
 
 enum PatchMask : uint8_t {
     None,
@@ -32,7 +32,7 @@ struct patchInfo {
 
 extern std::vector<patchInfo> pending_patches;
 
-QString convertValueToHex(const QString& type, const QString& valueStr);
+std::string convertValueToHex(const std::string type, const std::string valueStr);
 
 void OnGameLoaded();
 void AddPatchToQueue(patchInfo patchToAdd);

src/core/module.cpp

@@ -6,9 +6,7 @@
 #include "common/arch.h"
 #include "common/assert.h"
 #include "common/logging/log.h"
-#ifdef ENABLE_QT_GUI
-#include "qt_gui/memory_patcher.h"
-#endif
+#include "common/memory_patcher.h"
 #include "common/string_util.h"
 #include "core/aerolib/aerolib.h"
 #include "core/cpu_patches.h"
@@ -199,7 +197,6 @@ void Module::LoadModuleToMemory(u32& max_tls_index) {
     const VAddr entry_addr = base_virtual_addr + elf.GetElfEntry();
     LOG_INFO(Core_Linker, "program entry addr ..........: {:#018x}", entry_addr);
 
-#ifdef ENABLE_QT_GUI
     if (MemoryPatcher::g_eboot_address == 0) {
         if (name == "eboot") {
             MemoryPatcher::g_eboot_address = base_virtual_addr;
@@ -207,7 +204,6 @@ void Module::LoadModuleToMemory(u32& max_tls_index) {
             MemoryPatcher::OnGameLoaded();
         }
     }
-#endif
 }
 
 void Module::LoadDynamicInfo() {

src/emulator.cpp

@@ -8,7 +8,7 @@
 #include "common/logging/backend.h"
 #include "common/logging/log.h"
 #ifdef ENABLE_QT_GUI
-#include "qt_gui/memory_patcher.h"
+#include "common/memory_patcher.h"
 #endif
 #include "common/ntapi.h"
 #include "common/path_util.h"

src/main.cpp

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <fmt/core.h>
+#include "common/memory_patcher.h"
 #include "emulator.h"
 
 int main(int argc, char* argv[]) {
@@ -10,7 +11,16 @@ int main(int argc, char* argv[]) {
         return -1;
     }
 
+    for (int i = 0; i < argc; i++) {
+        std::string curArg = argv[i];
+        if (curArg == "-p") {
+            std::string patchFile = argv[i + 1];
+            MemoryPatcher::patchFile = patchFile;
+        }
+    }
+
     Core::Emulator emulator;
     emulator.Run(argv[1]);
+
     return 0;
 }

src/qt_gui/cheats_patches.cpp

@@ -28,9 +28,9 @@
 #include <QXmlStreamReader>
 #include <common/logging/log.h>
 #include "cheats_patches.h"
+#include "common/memory_patcher.h"
 #include "common/path_util.h"
 #include "core/module.h"
-#include "qt_gui/memory_patcher.h"
 
 using namespace Common::FS;
 
@@ -1178,7 +1178,8 @@ void CheatsPatches::applyPatch(const QString& patchName, bool enabled) {
             QString patchValue = lineObject["Value"].toString();
             QString maskOffsetStr = lineObject["Offset"].toString();
 
-            patchValue = MemoryPatcher::convertValueToHex(type, patchValue);
+            patchValue = QString::fromStdString(
+                MemoryPatcher::convertValueToHex(type.toStdString(), patchValue.toStdString()));
 
             bool littleEndian = false;
 

src/qt_gui/main.cpp

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "common/config.h"
+#include "common/memory_patcher.h"
 #include "core/file_sys/fs.h"
 #include "emulator.h"
 #include "game_install_dialog.h"
@@ -36,6 +37,13 @@ int main(int argc, char* argv[]) {
     // Check for command line arguments
     if (has_command_line_argument) {
         Core::Emulator emulator;
+        for (int i = 0; i < argc; i++) {
+            std::string curArg = argv[i];
+            if (curArg == "-p") {
+                std::string patchFile = argv[i + 1];
+                MemoryPatcher::patchFile = patchFile;
+            }
+        }
         emulator.Run(argv[1]);
     }