From 92aac3addc190f19c4fd063fb825651c9f31f725 Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Tue, 5 Apr 2011 20:58:05 +1000
Subject: TSAGE: Reimplemented the old _sceneObjectListeners as
 _altSceneObjects

---
 engines/tsage/core.cpp               |  4 ++--
 engines/tsage/core.h                 |  4 ++--
 engines/tsage/ringworld_scenes10.cpp |  3 +--
 engines/tsage/scenes.cpp             | 43 ++++++++++++++++++++++++++++++------
 engines/tsage/scenes.h               |  4 ++--
 5 files changed, 43 insertions(+), 15 deletions(-)

(limited to 'engines')

diff --git a/engines/tsage/core.cpp b/engines/tsage/core.cpp
index 10a51349e5..cbe9fd37b2 100644
--- a/engines/tsage/core.cpp
+++ b/engines/tsage/core.cpp
@@ -3499,7 +3499,7 @@ void SceneHandler::dispatch() {
 	_globals->_scenePalette.signalListeners();
 
 	// Dispatch to any objects registered in the scene
-	_globals->_sceneObjects->recurse(SceneHandler::handleListener);
+	_globals->_sceneObjects->recurse(SceneHandler::dispatchObject);
 
 	// If a scene is active, then dispatch to it
 	if (_globals->_sceneManager._scene) 
@@ -3521,7 +3521,7 @@ void SceneHandler::dispatch() {
 	_globals->_events.delay(_delayTicks);
 }
 
-void SceneHandler::handleListener(EventHandler *obj) {
+void SceneHandler::dispatchObject(EventHandler *obj) {
 	obj->dispatch();
 }
 
diff --git a/engines/tsage/core.h b/engines/tsage/core.h
index 61282ffd03..a65cec06b9 100644
--- a/engines/tsage/core.h
+++ b/engines/tsage/core.h
@@ -712,12 +712,12 @@ public:
 class SceneObjectList: public SavedObject {
 private:
 	void checkIntersection(Common::Array<SceneObject *> &ObjList, uint ObjIndex, int PaneNum);
-	void sortList(Common::Array<SceneObject *> &ObjList);
 
 	List<SceneObject *> _objList;
 	bool _listAltered;
 public:
 	SceneObjectList() { _listAltered = false; }
+	void sortList(Common::Array<SceneObject *> &ObjList);
 
 	virtual Common::String getClassName() { return "SceneObjectList"; }
 	virtual void synchronise(Serialiser &s);
@@ -944,7 +944,7 @@ public:
 	virtual void process(Event &event);
 	virtual void dispatch();
 
-	static void handleListener(EventHandler *obj);
+	static void dispatchObject(EventHandler *obj);
 	static void saveListener(Serialiser &ser);
 };
 
diff --git a/engines/tsage/ringworld_scenes10.cpp b/engines/tsage/ringworld_scenes10.cpp
index bebf199a2d..77c195b4f8 100644
--- a/engines/tsage/ringworld_scenes10.cpp
+++ b/engines/tsage/ringworld_scenes10.cpp
@@ -37,8 +37,7 @@ Scene2::Scene2() {
 }
 
 void Object9350::postInit(SceneObjectList *OwnerList) {
-	warning("Object9350::postInit - Weird cast to be verified");
-	_globals->_sceneManager.postInit((SceneObjectList*) &_globals->_sceneManager._sceneChangeListeners);
+	_globals->_sceneManager.postInit(&_globals->_sceneManager._altSceneObjects);
 }
 
 void Object9350::draw() {
diff --git a/engines/tsage/scenes.cpp b/engines/tsage/scenes.cpp
index de5fe1e5cb..ad6d1f9620 100644
--- a/engines/tsage/scenes.cpp
+++ b/engines/tsage/scenes.cpp
@@ -54,7 +54,7 @@ void SceneManager::checkScene() {
 		_nextSceneNumber = -1;
 	}
 
-	_globals->_sceneListeners.forEach(SceneHandler::handleListener);
+	_globals->_sceneListeners.forEach(SceneHandler::dispatchObject);
 }
 
 void SceneManager::sceneChange() {
@@ -70,8 +70,13 @@ void SceneManager::sceneChange() {
 		sceneObj->removeObject();
 	}
 
-	// Clear the scene change listeners
-	_globals->_sceneManager._sceneChangeListeners.clear();
+	// Clear the secondary scene object list
+	io = _globals->_sceneManager._altSceneObjects.begin();
+	while (io != _globals->_sceneManager._altSceneObjects.end()) {
+		SceneObject *sceneObj = *io;
+		++io;
+		sceneObj->removeObject();
+	}
 
 	// Clear the hotspot list
 	List<SceneItem *>::iterator ii = _globals->_sceneItems.begin();
@@ -204,7 +209,7 @@ void SceneManager::setBgOffset(const Common::Point &pt, int loadCount) {
 
 void SceneManager::listenerSynchronise(Serialiser &s) {
 	s.validate("SceneManager");
-	_sceneChangeListeners.synchronise(s);
+	_altSceneObjects.synchronise(s);
 	
 	s.syncAsSint32LE(_sceneNumber);
 	if (s.isLoading()) {
@@ -398,12 +403,36 @@ void Scene::refreshBackground(int xAmount, int yAmount) {
 	}
 
 	if (changedFlag) {
-		signalListeners();
+		drawAltObjects();
 	}
 }
 
-void Scene::signalListeners() {
-	// TODO: Figure out method
+void Scene::drawAltObjects() {
+	Common::Array<SceneObject *> objList;
+
+	// Initial loop to set the priority for entries in the list
+	for (List<SceneObject *>::iterator i = _globals->_sceneManager._altSceneObjects.begin();
+		i != _globals->_sceneManager._altSceneObjects.end(); ++i) {
+		SceneObject *obj = *i;
+		objList.push_back(obj);
+
+		// Handle updating object priority
+		if (!(obj->_flags & OBJFLAG_FIXED_PRIORITY)) {
+			obj->_priority = MIN((int)obj->_position.y - 1, 
+				(int)_globals->_sceneManager._scene->_backgroundBounds.bottom);
+		}
+	}
+
+	// Sort the list by priority
+	_globals->_sceneManager._altSceneObjects.sortList(objList);
+
+	// Drawing loop
+	for (uint objIndex = 0; objIndex < objList.size(); ++objIndex) {
+		SceneObject *obj = objList[objIndex];
+
+		obj->reposition();
+		obj->draw();
+	}	
 }
 
 void Scene::setZoomPercents(int yStart, int minPercent, int yEnd, int maxPercent) {
diff --git a/engines/tsage/scenes.h b/engines/tsage/scenes.h
index 85e7c7251e..9d969c906b 100644
--- a/engines/tsage/scenes.h
+++ b/engines/tsage/scenes.h
@@ -36,7 +36,7 @@ namespace tSage {
 
 class Scene: public StripCallback {
 private:
-	void signalListeners();
+	void drawAltObjects();
 public:
 	int _field12;
 	int _sceneNumber;
@@ -87,7 +87,7 @@ public:
 	Common::Point _sceneBgOffset;
 	int _sceneLoadCount;
 	Rect _scrollerRect;
-	List<EventHandler *> _sceneChangeListeners;
+	SceneObjectList _altSceneObjects;
 public:
 	SceneManager();
 	virtual ~SceneManager();
-- 
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