* Added Game::getObjectWithAnimation() which finds the object that owns an animation with a certain ID

* Made GameObjects track their titles as Strings rather than byte *
* Made the engine display the title of the object under the cursor (added a special animation ID for that, kTitleText)

svn-id: r42839

2 files changed, 50 insertions, 3 deletions

diff --git a/engines/draci/game.cpp b/engines/draci/game.cpp
index 46c7887e46..09bcf4cf13 100644
--- a/engines/draci/game.cpp
+++ b/engines/draci/game.cpp
@@ -153,6 +153,9 @@ Game::Game(DraciEngine *vm) : _vm(vm) {
 
 void Game::init() {
 	_loopStatus = kStatusOrdinary;
+	_objUnderCursor = kOverlayImage;
+
+	_vm->_anims->addText(kTitleText, true);
 
 	loadObject(kDragonObject);
 	
@@ -173,9 +176,42 @@ void Game::loop() {
 		if (_vm->_mouse->lButtonPressed() && _currentRoom._walkingMap.isWalkable(x, y)) {
 			walkHero(x, y);
 		}
+
+		int animUnderCursor = _vm->_anims->getTopAnimationID(x, y);
+
+		int curObject = getObjectWithAnimation(animUnderCursor);
+
+		Animation *atitle = _vm->_anims->getAnimation(kTitleText);
+
+		// TODO: Handle displaying title in the proper location
+
+		atitle->deleteFrames();
+		if (curObject != kNotFound) {					
+			GameObject *obj = &_objects[curObject];
+			Text *title = new Text (obj->_title, _vm->_bigFont, kFontColour1, 0, 0);
+			atitle->addFrame(title);
+		}
+
+		debugC(2, kDraciAnimationDebugLevel, "Anim under cursor: %d", animUnderCursor); 
+
+		
 	}
 }
 
+int Game::getObjectWithAnimation(int animID) {
+	for (uint i = 0; i < _info._numObjects; ++i) {
+		GameObject *obj = &_objects[i];
+	
+		for (uint j = 0; j < obj->_anims.size(); ++j) {
+			if (obj->_anims[j] == animID) {
+				return i;
+			}
+		}
+	}
+
+	return kNotFound;
+}
+	
 void Game::walkHero(int x, int y) {
 	// Fetch dragon's animation ID
 	// FIXME: Need to add proper walking (this only warps the dragon to position)
@@ -441,8 +477,12 @@ void Game::loadObject(uint objNum) {
 	obj->_absNum = objNum;
 	
 	file = _vm->_objectsArchive->getFile(objNum * 3 + 1);
-	obj->_title = file->_data;
 	
+	// The first byte of the file is the length of the string (without the length)
+	assert(file->_length - 1 == file->_data[0]);
+
+	obj->_title = Common::String((char *)(file->_data+1), file->_length-1);
+
 	file = _vm->_objectsArchive->getFile(objNum * 3 + 2);
 	obj->_program._bytecode = file->_data;
 	obj->_program._length = file->_length;
diff --git a/engines/draci/game.h b/engines/draci/game.h
index d8e0d137b7..fbc1d3283e 100644
--- a/engines/draci/game.h
+++ b/engines/draci/game.h
@@ -43,6 +43,10 @@ enum StructSizes {
 	personSize = sizeof(uint16) * 2 + sizeof(byte)
 };
 
+enum {
+	kNotFound = -1
+};
+
 class WalkingMap {
 
 public:	
@@ -82,7 +86,7 @@ private:
 
 struct GameObject {
 	
-	GameObject() : _title(NULL) {}
+	GameObject() {}
 		
 	uint _init, _look, _use, _canUse;
 	bool _imInit, _imLook, _imUse;
@@ -93,7 +97,7 @@ struct GameObject {
 	uint16 _absNum;
 	Common::Array<int> _anims;
 	GPL2Program _program;
-	byte *_title;
+	Common::String _title;
 	int _location;
 	bool _visible;
 };
@@ -196,6 +200,7 @@ public:
 
 	uint getNumObjects();
 	GameObject *getObject(uint objNum);
+	int getObjectWithAnimation(int animID);
 
 	int getVariable(int varNum);
 	void setVariable(int varNum, int value);	
@@ -222,6 +227,8 @@ private:
 	Room _currentRoom;
 	LoopStatus _loopStatus;
 
+	int _objUnderCursor;
+
 	int _markedAnimationIndex; //!< Used by the Mark GPL command
 };