Merge pull request #9342 from lioncash/system

Core: Add initial System class

Source/Core/Core/CMakeLists.txt

@@ -41,6 +41,8 @@ add_library(core
   SyncIdentifier.h
   SysConf.cpp
   SysConf.h
+  System.cpp
+  System.h
   TitleDatabase.cpp
   TitleDatabase.h
   WiiRoot.cpp

Source/Core/Core/Core.vcxproj

@@ -371,6 +371,7 @@
     <ClCompile Include="PowerPC\SignatureDB\SignatureDB.cpp" />
     <ClCompile Include="State.cpp" />
     <ClCompile Include="SysConf.cpp" />
+    <ClCompile Include="System.cpp" />
     <ClCompile Include="TitleDatabase.cpp" />
     <ClCompile Include="WiiRoot.cpp" />
     <ClCompile Include="WiiUtils.cpp" />
@@ -678,6 +679,7 @@
     <ClInclude Include="State.h" />
     <ClInclude Include="SyncIdentifier.h" />
     <ClInclude Include="SysConf.h" />
+    <ClInclude Include="System.h" />
     <ClInclude Include="Titles.h" />
     <ClInclude Include="TitleDatabase.h" />
     <ClInclude Include="WiiRoot.h" />

Source/Core/Core/Core.vcxproj.filters

@@ -187,6 +187,7 @@
     <ClCompile Include="PatchEngine.cpp" />
     <ClCompile Include="State.cpp" />
     <ClCompile Include="SysConf.cpp" />
+    <ClCompile Include="System.cpp" />
     <ClCompile Include="TitleDatabase.cpp" />
     <ClCompile Include="WiiRoot.cpp" />
     <ClCompile Include="WiiUtils.cpp" />
@@ -1022,6 +1023,7 @@
     <ClInclude Include="PatchEngine.h" />
     <ClInclude Include="State.h" />
     <ClInclude Include="SysConf.h" />
+    <ClInclude Include="System.h" />
     <ClInclude Include="Titles.h" />
     <ClInclude Include="TitleDatabase.h" />
     <ClInclude Include="WiiRoot.h" />

Source/Core/Core/System.cpp

@@ -0,0 +1,18 @@
+// Copyright 2020 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "Core/System.h"
+
+namespace Core
+{
+struct System::Impl
+{
+};
+
+System::System() : m_impl{std::make_unique<Impl>()}
+{
+}
+
+System::~System() = default;
+}  // namespace Core

Source/Core/Core/System.h

@@ -0,0 +1,36 @@
+// Copyright 2020 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+
+namespace Core
+{
+// Central class that encapsulates the running system.
+class System
+{
+public:
+  ~System();
+
+  System(const System&) = delete;
+  System& operator=(const System&) = delete;
+
+  System(System&&) = delete;
+  System& operator=(System&&) = delete;
+
+  // Intermediate instance accessor until global state is eliminated.
+  static System& GetInstance()
+  {
+    static System instance;
+    return instance;
+  }
+
+private:
+  System();
+
+  struct Impl;
+  std::unique_ptr<Impl> m_impl;
+};
+}  // namespace Core