renaming

MarcerGameDvdLauncher/HatariLauncher.cs

@@ -0,0 +1,56 @@
+namespace MarcerGameDvdLauncher
+{
+    public class HatariLauncher
+    {
+        private readonly string _exePath;
+        private readonly string _cfgPath;
+        private readonly string _argsTemplate;
+
+        public HatariLauncher(string exePath, string cfgPath, string argsTemplate)
+        {
+            if (string.IsNullOrWhiteSpace(exePath))
+                throw new ArgumentNullException(nameof(exePath));
+
+            // Defensive validation: ensure the executable exists and looks like an .exe
+            if (!File.Exists(exePath))
+                throw new ArgumentException($"Hatari executable not found: {exePath}", nameof(exePath));
+            if (!string.Equals(Path.GetExtension(exePath), ".exe", StringComparison.OrdinalIgnoreCase))
+                throw new ArgumentException($"Hatari executable must be an .exe file: {exePath}", nameof(exePath));
+
+            _exePath = exePath;
+            _cfgPath = cfgPath;
+            _argsTemplate = argsTemplate;
+        }
+
+        /// <summary>
+        /// Starts Hatari with the given ZIP file. ArgsTemplate is used to build the arguments,
+        /// replacing {cfg} and {zip} placeholders.
+        /// </summary>
+        public void Launch(string zipFilePath)
+        {
+            if (string.IsNullOrWhiteSpace(zipFilePath))
+                throw new ArgumentException("ZIP archive path must not be empty.", nameof(zipFilePath));
+            try
+            {
+                string args = _argsTemplate.Replace("{cfg}", _cfgPath).Replace("{zip}", zipFilePath);
+
+                var psi = new System.Diagnostics.ProcessStartInfo
+                {
+                    FileName = _exePath,
+                    Arguments = args,
+                    UseShellExecute = false,
+                    WorkingDirectory = Path.GetDirectoryName(_exePath) ?? string.Empty
+                };
+                System.Diagnostics.Process.Start(psi);
+                // Show a modal indicating the emulator was started and wait until
+                // the user releases the Return key before clearing the modal. This
+                // prevents accidental key repeats from triggering other actions.
+                ProgramHelpers.ShowModalUntilReturnReleased("Hatari started. Release Return to continue...");
+            }
+            catch (Exception ex)
+            {
+                throw new InvalidOperationException($"Error starting Hatari: {ex.Message}", ex);
+            }
+        }
+    }
+}