/**
* Fired when the interactive debugger GUI receives a keypress indicating a user
* command to be processed (continue, single step, etc).
*/
private static void Platform_OnDebugCommand(DebugCommandEventArgs eventArgs)
{
if (!_game.Debug)
{
return;
}
switch (eventArgs.Action)
{
case DebugAction.ResumeContinue:
_game.Continue(singleStep: false);
break;
case DebugAction.ResumeStep:
_game.Continue(singleStep: true);
break;
case DebugAction.ReverseStep:
_game.ReverseStep();
break;
case DebugAction.AddBreakpoint:
if (!_game.BreakAtAddresses.Contains(eventArgs.Address))
{
_game.BreakAtAddresses.Add(eventArgs.Address);
}
break;
case DebugAction.RemoveBreakpoint:
if (_game.BreakAtAddresses.Contains(eventArgs.Address))
{
_game.BreakAtAddresses.Remove(eventArgs.Address);
}
break;
case DebugAction.SaveState:
{
var state = _game.SaveState();
var json = JsonConvert.SerializeObject(state);
File.WriteAllText(eventArgs.FileName, json);
break;
}
case DebugAction.LoadState:
{
var json = File.ReadAllText(eventArgs.FileName);
var state = JsonConvert.DeserializeObject <EmulatorState>(json);
_game.LoadState(state);
break;
}
}
}
private void HandleDebuggerEventForLoadOrSaveStateState(SDL.SDL_Event sdlEvent)
{
HandleDebuggerInputText(sdlEvent);
if (sdlEvent.type != SDL.SDL_EventType.SDL_KEYDOWN)
{
return;
}
var keycode = sdlEvent.key.keysym.sym;
switch (keycode)
{
case SDL.SDL_Keycode.SDLK_UP: // Up = Move selection up
{
if (_debuggerFileList.Count == 0)
{
break;
}
var index = _debuggerFileList.IndexOf(_debuggerInputString);
if (index > 0)
{
index--;
}
if (index == -1)
{
_debuggerInputString = _debuggerFileList.Count > 0 ? _debuggerFileList.Last() : String.Empty;
}
else
{
_debuggerInputString = _debuggerFileList[index];
}
SignalDebuggerNeedsRendering();
break;
}
case SDL.SDL_Keycode.SDLK_DOWN: // Down = Move selection down
{
if (_debuggerFileList.Count == 0)
{
break;
}
var index = _debuggerFileList.IndexOf(_debuggerInputString);
if (index != -1 && index < _debuggerFileList.Count - 1)
{
index++;
}
if (index == -1)
{
_debuggerInputString = _debuggerFileList.Count > 0 ? _debuggerFileList.Last() : String.Empty;
}
else
{
_debuggerInputString = _debuggerFileList[index];
}
SignalDebuggerNeedsRendering();
break;
}
case SDL.SDL_Keycode.SDLK_RETURN: // Return/Enter = Finish input and load/save state
{
var filePath = _debuggerInputString;
_debuggerInputString = String.Empty;
if (String.IsNullOrWhiteSpace(filePath))
{
break;
}
if (!filePath.EndsWith(".state.json"))
{
filePath += ".state.json";
}
if (_debuggerState == DebuggerState.LoadState && !File.Exists(filePath))
{
var errorMessage = $"Error {(_debuggerState == DebuggerState.LoadState ? "Loading" : "Saving")} state; file does not exist: {filePath}.";
Console.WriteLine(errorMessage);
SDL2.SDL.SDL_ShowSimpleMessageBox(SDL.SDL_MessageBoxFlags.SDL_MESSAGEBOX_WARNING, $"{(_debuggerState == DebuggerState.LoadState ? "Load" : "Save")} State", errorMessage, _debugWindow);
SignalDebuggerNeedsRendering();
break;
}
try
{
if (_debuggerState == DebuggerState.LoadState)
{
var json = File.ReadAllText(filePath);
var state = JsonConvert.DeserializeObject <EmulatorState>(json);
_debuggerPcb.LoadState(state);
}
else
{
var state = _debuggerPcb.SaveState();
var json = JsonConvert.SerializeObject(state);
File.WriteAllText(filePath, json);
}
}
catch (Exception exception)
{
Console.WriteLine($"Error {(_debuggerState == DebuggerState.LoadState ? "Loading" : "Saving")} state for file: {filePath}", exception);
SDL2.SDL.SDL_ShowSimpleMessageBox(SDL.SDL_MessageBoxFlags.SDL_MESSAGEBOX_ERROR, $"{(_debuggerState == DebuggerState.LoadState ? "Load" : "Save")} State", $"Error {(_debuggerState == DebuggerState.LoadState ? "Loading" : "Saving")} state: {exception.Message}", _debugWindow);
SignalDebuggerNeedsRendering();
break;
}
var message = $"{(_debuggerState == DebuggerState.LoadState ? "Loading" : "Saving")} state was successful!";
SDL2.SDL.SDL_ShowSimpleMessageBox(SDL.SDL_MessageBoxFlags.SDL_MESSAGEBOX_INFORMATION, $"{(_debuggerState == DebuggerState.LoadState ? "Load" : "Save")} State", message, _debugWindow);
_debuggerInputString = String.Empty;
_debuggerFileList.Clear();
_debuggerState = DebuggerState.Breakpoint;
SignalDebuggerNeedsRendering();
break;
}
case SDL.SDL_Keycode.SDLK_ESCAPE: // Escape = Cancel load/save state
_debuggerInputString = String.Empty;
_debuggerFileList.Clear();
_debuggerState = DebuggerState.Breakpoint;
SignalDebuggerNeedsRendering();
break;
}
}