From a0996b7384e5c3321af97347613120d2f90ab64e Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Sun, 2 Mar 2014 20:50:35 -0500
Subject: MADS: Implemented more of the multi-scene loop

---
 engines/mads/events.cpp |  1 +
 engines/mads/events.h   |  1 +
 engines/mads/game.cpp   | 62 ++++++++++++++++++++++++++++++++++++++++++++++++-
 engines/mads/game.h     |  5 ++++
 engines/mads/mads.cpp   |  1 +
 engines/mads/mads.h     |  8 ++++++-
 engines/mads/player.cpp | 21 +++++++++++++++++
 engines/mads/player.h   | 13 ++++++++++-
 engines/mads/scene.cpp  | 15 ++++++++++++
 engines/mads/scene.h    |  8 +++++++
 10 files changed, 132 insertions(+), 3 deletions(-)

(limited to 'engines')

diff --git a/engines/mads/events.cpp b/engines/mads/events.cpp
index 5d905ca8d6..56bd87cbc6 100644
--- a/engines/mads/events.cpp
+++ b/engines/mads/events.cpp
@@ -39,6 +39,7 @@ EventsManager::EventsManager(MADSEngine *vm) {
 	_priorFrameTime = 0;
 	_keyPressed = false;
 	_mouseClicked = false;
+	_currentTimer = 0;
 }
 
 EventsManager::~EventsManager() {
diff --git a/engines/mads/events.h b/engines/mads/events.h
index 2a8ae84e6a..c4fb8786cb 100644
--- a/engines/mads/events.h
+++ b/engines/mads/events.h
@@ -60,6 +60,7 @@ public:
 	SpriteAsset *_cursorSprites;
 	bool _mouseClicked;
 	bool _keyPressed;
+	uint32 _currentTimer;
 public:
 	/**
 	 * Constructor
diff --git a/engines/mads/game.cpp b/engines/mads/game.cpp
index 2fa701093e..64b41d23c3 100644
--- a/engines/mads/game.cpp
+++ b/engines/mads/game.cpp
@@ -54,6 +54,8 @@ Game::Game(MADSEngine *vm): _vm(vm), _surface(nullptr), _objects(vm),
 	_v5 = _v6 = 0;
 	_aaName = "*I0.AA";
 	_playerSpritesFlag = false;
+	_currentTimer = 0;
+	_updateSceneFlag = false;
 }
 
 Game::~Game() {
@@ -181,7 +183,65 @@ void Game::sectionLoop() {
 		_player._direction = _player._newDirection;
 		_player.moveComplete();
 
-		// TODO: main section loop logic goes here
+		switch (_vm->_screenFade) {
+		case SCREEN_FADE_SMOOTH:
+			_abortTimers2 = 2;
+			break;
+		case SCREEN_FADE_FAST:
+			_abortTimers2 = 20;
+			break;
+		default:
+			_abortTimers2 = 21;
+			break;
+		}
+		_abortTimers = 0;
+		_abortTimersMode2 = ABORTMODE_1;
+		_currentTimer = _vm->_events->_currentTimer;
+
+		// Call the scene logic for entering the given scene
+		_scene._sceneLogic->enter();
+
+		// Set player data
+		_player._destPos = _player._playerPos;
+		_player._newDirection = _player._direction;
+		_player._destFacing = _player._direction;
+		_player.setupFrame();
+		_player.updateFrame();
+		_player._visible3 = _player._visible;
+		_player._special = _scene.getDepthHighBits(_player._playerPos);
+		_player._priorTimer = _vm->_events->_currentTimer + _player._ticksAmount;
+		_player.idle();
+
+		warning("TODO: _selectedObject IF block");
+
+		_v1 = 5;
+		_scene._roomChanged = false;
+
+		if ((_v5 || _v6) && !_updateSceneFlag) {
+			_scene._currentSceneId = _scene._priorSceneId;
+			_updateSceneFlag = true;
+		}
+		else {
+			_updateSceneFlag = false;
+			_scene.loop();
+		}
+
+		_vm->_events->resetCursor();
+		_v1 = 3;
+
+		delete _quotes;
+		_quotes = nullptr;
+		delete _scene._animation;
+		_scene._animation = nullptr;
+
+		_scene._reloadSceneFlag = false;
+
+		warning("TODO: sub_1DD8C, sub_1DD7E");
+
+		if (!_playerSpritesFlag) {
+			_player._spritesLoaded = false;
+			_player._spritesChanged = true;
+		}
 
 		// Clear the scene
 		_scene.free();
diff --git a/engines/mads/game.h b/engines/mads/game.h
index 88c5bebf63..cd727af902 100644
--- a/engines/mads/game.h
+++ b/engines/mads/game.h
@@ -65,6 +65,7 @@ protected:
 	int _v3;
 	int _v5;
 	int _v6;
+	bool _updateSceneFlag;
 	Common::String _aaName;
 	bool _playerSpritesFlag;
 	int _objectHiliteVocabIdx;
@@ -111,6 +112,10 @@ public:
 	Scene _scene;
 	int _v2;
 	int _v4;
+	int _abortTimers;
+	int _abortTimers2;
+	AbortTimerMode _abortTimersMode2;
+	uint32 _currentTimer;
 public:
 	virtual ~Game();
 
diff --git a/engines/mads/mads.cpp b/engines/mads/mads.cpp
index d78f37dd8b..e9fbf918c4 100644
--- a/engines/mads/mads.cpp
+++ b/engines/mads/mads.cpp
@@ -41,6 +41,7 @@ MADSEngine::MADSEngine(OSystem *syst, const MADSGameDescription *gameDesc) :
 	_easyMouse = true;
 	_invObjectStill = false;
 	_textWindowStill = false;
+	_screenFade = SCREEN_FADE_FAST;
 
 	_debugger = nullptr;
 	_dialogs = nullptr;
diff --git a/engines/mads/mads.h b/engines/mads/mads.h
index 92758b72a5..2d85236d8d 100644
--- a/engines/mads/mads.h
+++ b/engines/mads/mads.h
@@ -67,6 +67,12 @@ enum {
 	GType_Riddle = 3
 };
 
+enum ScreenFade {
+	SCREEN_FADE_SMOOTH = 0,
+	SCREEN_FADE_MEDIUM = 1,
+	SCREEN_FADE_FAST = 2
+};
+
 struct MADSGameDescription;
 
 
@@ -97,7 +103,7 @@ public:
 	bool _easyMouse;
 	bool _invObjectStill;
 	bool _textWindowStill;
-
+	ScreenFade _screenFade;
 public:
 	MADSEngine(OSystem *syst, const MADSGameDescription *gameDesc);
 	virtual ~MADSEngine();
diff --git a/engines/mads/player.cpp b/engines/mads/player.cpp
index d88feea0d8..e09549c6d9 100644
--- a/engines/mads/player.cpp
+++ b/engines/mads/player.cpp
@@ -35,6 +35,10 @@ Player::Player(MADSEngine *vm): _vm(vm) {
 	_spritesStart = _numSprites = 0;
 	_stepEnabled = false;
 	_visible = false;
+	_visible3 = false;
+	_special = 0;
+	_ticksAmount = 0;
+	_priorTimer = 0;
 }
 
 void Player::reset() {
@@ -66,4 +70,21 @@ void Player::moveComplete() {
 	_action->_inProgress = false;
 }
 
+void Player::setupFrame() {
+	resetActionList();
+	warning("TODO: Player::setupFrame");
+}
+
+void Player::updateFrame() {
+	warning("TODO: Player::updateFrame");
+}
+
+void Player::resetActionList() {
+	warning("TODO: Player::resetActionList");
+}
+
+void Player::idle() {
+	warning("TODO: Player::idle");
+}
+
 } // End of namespace MADS
diff --git a/engines/mads/player.h b/engines/mads/player.h
index 0466f7aeee..67766d8572 100644
--- a/engines/mads/player.h
+++ b/engines/mads/player.h
@@ -37,6 +37,8 @@ private:
 	MADSAction *_action;
 
 	void reset();
+
+	void resetActionList();
 public:
 	int _direction;
 	int _newDirection;
@@ -47,13 +49,16 @@ public:
 	bool _stepEnabled;
 	bool _spritesChanged;
 	bool _visible;
+	bool _visible3;
 	Common::Point _playerPos;
 	Common::Point _destPos;
 	bool _moving;
 	int _v844C0, _v844BE;
 	int _next;
 	int _routeCount;
-
+	int _special;
+	int _ticksAmount;
+	uint32 _priorTimer;
 public:
 	Player(MADSEngine *vm);
 
@@ -62,6 +67,12 @@ public:
 	void turnToDestFacing();
 
 	void moveComplete();
+
+	void setupFrame();
+
+	void updateFrame();
+
+	void idle();
 };
 
 } // End of namespace MADS
diff --git a/engines/mads/scene.cpp b/engines/mads/scene.cpp
index 2f12139246..2c6cb8a112 100644
--- a/engines/mads/scene.cpp
+++ b/engines/mads/scene.cpp
@@ -39,6 +39,8 @@ Scene::Scene(MADSEngine *vm): _vm(vm), _spriteSlots(vm), _action(_vm) {
 	_animVal1 = 0;
 	_depthStyle = 0;
 	_v1A = _v1C = 0;
+	_roomChanged = false;
+	_reloadSceneFlag = false;
 
 	_verbList.push_back(VerbInit(VERB_LOOK, 2, 0));
 	_verbList.push_back(VerbInit(VERB_TAKE, 2, 0));
@@ -254,6 +256,19 @@ void Scene::initPaletteAnimation(Common::Array<RGB4> &animData, bool animFlag) {
 	_animFlag = animFlag;
 }
 
+bool Scene::getDepthHighBits(const Common::Point &pt) {
+	if (_sceneInfo->_depthStyle == 2) {
+		return 0;
+	} else {
+		const byte *p = _depthSurface.getBasePtr(pt.x, pt.y);
+		return (*p & 0x70) >> 4;
+	}
+}
+
+void Scene::loop() {
+
+}
+
 void Scene::free() {
 	warning("TODO: Scene::free");
 }
diff --git a/engines/mads/scene.h b/engines/mads/scene.h
index d3a6aeeb6d..4da6fb297e 100644
--- a/engines/mads/scene.h
+++ b/engines/mads/scene.h
@@ -98,6 +98,8 @@ public:
 	int _v1A;
 	int _v1C;
 	MADSAction _action;
+	bool _roomChanged;
+	bool _reloadSceneFlag;
 
 	/**
 	 * Constructor
@@ -157,6 +159,12 @@ public:
 	 */
 	void loadVocab();
 
+	bool getDepthHighBits(const Common::Point &pt);
+
+	/**
+	 * Main scene loop
+	 */
+	void loop();
 
 	/**
 	 * Clear the data for the scene
-- 
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