From b1fa6126cc0429aaa378550f28d234e06d35a3aa Mon Sep 17 00:00:00 2001
From: Matthew Stewart
Date: Wed, 25 Jul 2018 01:56:40 -0400
Subject: STARTREK: Link away missions together, temporarily

---
 engines/startrek/awaymission.cpp |  2 +-
 engines/startrek/menu.cpp        |  9 ++++++---
 engines/startrek/room.cpp        | 15 ++++++++++++++-
 engines/startrek/startrek.cpp    |  8 ++++++--
 engines/startrek/startrek.h      |  1 +
 5 files changed, 28 insertions(+), 7 deletions(-)

(limited to 'engines')

diff --git a/engines/startrek/awaymission.cpp b/engines/startrek/awaymission.cpp
index 41533d7bb7..c3fe9f732d 100644
--- a/engines/startrek/awaymission.cpp
+++ b/engines/startrek/awaymission.cpp
@@ -45,7 +45,7 @@ void StarTrekEngine::initAwayMission() {
 }
 
 void StarTrekEngine::runAwayMission() {
-	while (true) {
+	while (_gameMode == GAMEMODE_AWAYMISSION && !_resetGameMode) {
 		// Original game manipulates the stack when the room changes to return execution
 		// to this point. Instead of doing that, just check if a variable is set.
 		if (_roomIndexToLoad != -1 && _spawnIndexToLoad != -1) {
diff --git a/engines/startrek/menu.cpp b/engines/startrek/menu.cpp
index 2251588616..aa9c3ebb82 100644
--- a/engines/startrek/menu.cpp
+++ b/engines/startrek/menu.cpp
@@ -227,6 +227,7 @@ void StarTrekEngine::showOptionsMenu(int x, int y) {
 		break;
 	case 1: // Load
 		showLoadMenu();
+		_resetGameMode = true;
 		break;
 	case 2: // Enable music
 		_sound->setMusicEnabled(true);
@@ -955,15 +956,17 @@ void StarTrekEngine::showGameOverMenu() {
 		case 0: // Load game
 			_gfx->fadeoutScreen();
 			showLoadMenu(); // TODO: this probably manipulates the stack to jump out of this function...
-			break;
+			_resetGameMode = true;
+			return;
 		case 1: // Restart
 			_gfx->fadeoutScreen();
 			// TODO
-			break;
+			_resetGameMode = true;
+			return;
 		case 2: // Quit
 			_gfx->fadeoutScreen();
 			_system->quit();
-			break;
+			return;
 		default:
 			break;
 		}
diff --git a/engines/startrek/room.cpp b/engines/startrek/room.cpp
index daf8e09512..08743f7188 100644
--- a/engines/startrek/room.cpp
+++ b/engines/startrek/room.cpp
@@ -444,7 +444,20 @@ void Room::endMission(int16 score, int16 arg1, int16 arg2) {
 
 	_vm->_awayMission.disableInput = false;
 
-	// TODO: game mode switch
+	// TODO: This is a stopgap measure (loading the next away mission immediately).
+	// Replace this with the proper code later.
+	_vm->_gameMode = GAMEMODE_BEAMDOWN;
+	if (_vm->_missionName == "DEMON")
+		_vm->_missionToLoad = "TUG";
+	if (_vm->_missionName == "TUG")
+		_vm->_missionToLoad = "LOVE";
+	if (_vm->_missionName == "LOVE")
+		_vm->_missionToLoad = "MUDD";
+	if (_vm->_missionName == "MUDD")
+		_vm->_missionToLoad = "FEATHER";
+	if (_vm->_missionName == "FEATHER")
+		_vm->_missionToLoad = "TRIAL";
+	_vm->_roomIndexToLoad = 0;
 }
 
 void Room::showGameOverMenu() { // TODO: takes an optional parameter?
diff --git a/engines/startrek/startrek.cpp b/engines/startrek/startrek.cpp
index a0eada7327..79681a88df 100644
--- a/engines/startrek/startrek.cpp
+++ b/engines/startrek/startrek.cpp
@@ -135,13 +135,17 @@ Common::Error StarTrekEngine::runGameMode(int mode) {
 	_gameMode = mode;
 
 	_sound->stopAllVocSounds();
-	if (!_sound->_loopingAudioName.empty())
-		_sound->playVoc(_sound->_loopingAudioName);
 
+	_resetGameMode = true;
 	if (_gameMode == GAMEMODE_START)
 		_gameMode = GAMEMODE_BRIDGE;
 
 	while (true) {
+		if (_resetGameMode) {
+			if (!_sound->_loopingAudioName.empty())
+				_sound->playVoc(_sound->_loopingAudioName);
+			_resetGameMode = false;
+		}
 		TrekEvent event;
 
 		if (_gameMode != _lastGameMode) {
diff --git a/engines/startrek/startrek.h b/engines/startrek/startrek.h
index b6b72150de..6e17375791 100644
--- a/engines/startrek/startrek.h
+++ b/engines/startrek/startrek.h
@@ -628,6 +628,7 @@ public:
 public:
 	int _gameMode;
 	int _lastGameMode;
+	bool _resetGameMode;
 
 	// NOTE: this has a different meaning than the original game. When non-empty, a new
 	// room load is triggered, as opposed to original behaviour where this was only read
-- 
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