MADS: Refactoring and cleanup of the game startup code

3 files changed, 56 insertions, 5 deletions

diff --git a/engines/mads/nebular/dialogs_nebular.cpp b/engines/mads/nebular/dialogs_nebular.cpp
index 3fb61990e2..fdf3ee1392 100644
--- a/engines/mads/nebular/dialogs_nebular.cpp
+++ b/engines/mads/nebular/dialogs_nebular.cpp
@@ -269,6 +269,14 @@ void DialogsNebular::showDialog() {
 	case DIALOG_GAME_MENU:
 		//GameMenuDialog::show();
 		break;
+	case DIALOG_DIFFICULTY: {
+/*
+		DifficultyDialog *dlg = new DifficultyDialog(_vm);
+		dlg->show();
+		delete dlg;
+		break;
+*/
+	}
 	default:
 		break;
 	}
@@ -712,7 +720,7 @@ void ScreenDialog::setFrame(int frameNumber, int depth) {
 void ScreenDialog::show() {
 	Scene &scene = _vm->_game->_scene;
 
-	while (_selectedLine < 1) {
+	while (_selectedLine < 1 && !_vm->shouldQuit()) {
 		handleEvents();
 		if (_v3) {
 			if (!_v1)
diff --git a/engines/mads/nebular/game_nebular.cpp b/engines/mads/nebular/game_nebular.cpp
index 8289437c73..d6d7a07e52 100644
--- a/engines/mads/nebular/game_nebular.cpp
+++ b/engines/mads/nebular/game_nebular.cpp
@@ -48,18 +48,54 @@ ProtectionResult GameNebular::checkCopyProtection() {
 	_globals[kCopyProtectFailed] = -1;
 
 	if (!ConfMan.getBool("copy_protection"))
-		return true;
+	return true;
 
 	* DEBUG: Disabled for now
 	CopyProtectionDialog *dlg = new CopyProtectionDialog(_vm, false);
 	dlg->show();
 	delete dlg;
 	*/
-
-	// DEBUG: Return that copy protection failed
 	return PROTECTION_SUCCEED;
 }
 
+void GameNebular::startGame() {
+	// Show the main menu
+	// TODO: Show the main menu here
+
+	// Check copy protection
+	ProtectionResult protectionResult = checkCopyProtection();
+	switch (protectionResult) {
+	case PROTECTION_FAIL:
+		// Copy protection failed
+		_scene._nextSceneId = 804;
+		initializeGlobals();
+		_globals[kCopyProtectFailed] = true;
+		return;
+	case PROTECTION_ESCAPE:
+		// User escaped out of copy protection dialog
+		_vm->quitGame();
+		return;
+	default:
+		// Copy protection check succeeded
+		break;
+	}
+
+	initSection(_sectionNumber);
+	_statusFlag = true;
+
+	_vm->_dialogs->_pendingDialog = DIALOG_DIFFICULTY;
+	_vm->_dialogs->showDialog();
+	_vm->_dialogs->_pendingDialog = DIALOG_NONE;
+
+	_priorSectionNumber = 0;
+	_priorSectionNumber = -1;
+	_scene._priorSceneId = 0;
+	_scene._currentSceneId = -1;
+	_scene._nextSceneId = 101;
+
+	initializeGlobals();
+}
+
 void GameNebular::initializeGlobals() {
 	int count, count2;
 	int bad;
diff --git a/engines/mads/nebular/game_nebular.h b/engines/mads/nebular/game_nebular.h
index 6620deaea6..da607d47ee 100644
--- a/engines/mads/nebular/game_nebular.h
+++ b/engines/mads/nebular/game_nebular.h
@@ -38,6 +38,11 @@ enum Difficulty {
 	DIFFICULTY_HARD = 1, DIFFICULTY_MEDIUM = 2, DIFFICULTY_EASY = 3
 };
 
+
+enum ProtectionResult {
+	PROTECTION_SUCCEED = 0, PROTECTION_FAIL = 1, PROTECTION_ESCAPE = 2
+};
+
 enum InventoryObject {
 	OBJ_NONE = -1,
 	OBJ_BINOCULARS = 0,
@@ -98,10 +103,12 @@ enum InventoryObject {
 
 class GameNebular : public Game {
 	friend class Game;
+private:
+	ProtectionResult checkCopyProtection();
 protected:
 	GameNebular(MADSEngine *vm);
 
-	virtual ProtectionResult checkCopyProtection();
+	virtual void startGame();
 
 	virtual void initializeGlobals();