FrontendCommon: Add auto cheat loading option

src/core/cheats.cpp

@@ -324,6 +324,44 @@ bool CheatList::SaveToPCSXRFile(const char* filename)
   return (std::ferror(fp.get()) == 0);
 }
 
+u32 CheatList::GetEnabledCodeCount() const
+{
+  u32 count = 0;
+  for (const CheatCode& cc : m_codes)
+  {
+    if (cc.enabled)
+      count++;
+  }
+
+  return count;
+}
+
+void CheatList::SetCodeEnabled(u32 index, bool state)
+{
+  if (index >= m_codes.size())
+    return;
+
+  m_codes[index].enabled = state;
+}
+
+void CheatList::EnableCode(u32 index)
+{
+  SetCodeEnabled(index, true);
+}
+
+void CheatList::DisableCode(u32 index)
+{
+  SetCodeEnabled(index, false);
+}
+
+void CheatList::ApplyCode(u32 index)
+{
+  if (index >= m_codes.size())
+    return;
+
+  m_codes[index].Apply();
+}
+
 void CheatCode::Apply() const
 {
   const u32 count = static_cast<u32>(instructions.size());

src/core/cheats.h

@@ -68,10 +68,16 @@ public:
   ALWAYS_INLINE const CheatCode& GetCode(u32 i) const { return m_codes[i]; }
   ALWAYS_INLINE CheatCode& GetCode(u32 i) { return m_codes[i]; }
   ALWAYS_INLINE u32 GetCodeCount() const { return static_cast<u32>(m_codes.size()); }
+  ALWAYS_INLINE bool IsCodeEnabled(u32 index) const { return m_codes[index].enabled; }
 
   void AddCode(CheatCode cc);
   void RemoveCode(u32 i);
 
+  u32 GetEnabledCodeCount() const;
+  void EnableCode(u32 index);
+  void DisableCode(u32 index);
+  void SetCodeEnabled(u32 index, bool state);
+
   static std::optional<Format> DetectFileFormat(const char* filename);
 
   bool LoadFromFile(const char* filename, Format format);
@@ -82,6 +88,8 @@ public:
 
   void Apply();
 
+  void ApplyCode(u32 index);
+
 private:
   std::vector<CheatCode> m_codes;
 };

src/core/settings.cpp

@@ -86,6 +86,7 @@ void Settings::Load(SettingsInterface& si)
   confim_power_off = si.GetBoolValue("Main", "ConfirmPowerOff", true);
   load_devices_from_save_states = si.GetBoolValue("Main", "LoadDevicesFromSaveStates", false);
   apply_game_settings = si.GetBoolValue("Main", "ApplyGameSettings", true);
+  auto_load_cheats = si.GetBoolValue("Main", "AutoLoadCheats", false);
 
   cpu_execution_mode =
     ParseCPUExecutionMode(
@@ -204,6 +205,7 @@ void Settings::Save(SettingsInterface& si) const
   si.SetBoolValue("Main", "ConfirmPowerOff", confim_power_off);
   si.SetBoolValue("Main", "LoadDevicesFromSaveStates", load_devices_from_save_states);
   si.SetBoolValue("Main", "ApplyGameSettings", apply_game_settings);
+  si.SetBoolValue("Main", "AutoLoadCheats", auto_load_cheats);
 
   si.SetStringValue("CPU", "ExecutionMode", GetCPUExecutionModeName(cpu_execution_mode));
   si.SetBoolValue("CPU", "RecompilerMemoryExceptions", cpu_recompiler_memory_exceptions);

src/core/settings.h

@@ -80,6 +80,7 @@ struct Settings
   bool confim_power_off = true;
   bool load_devices_from_save_states = false;
   bool apply_game_settings = true;
+  bool auto_load_cheats = false;
 
   GPURenderer gpu_renderer = GPURenderer::Software;
   std::string gpu_adapter;

src/core/system.cpp

@@ -757,6 +757,7 @@ void Shutdown()
   s_running_game_title.clear();
   s_media_playlist.clear();
   s_media_playlist_filename.clear();
+  s_cheat_list.reset();
   s_state = State::Shutdown;
 }