SHERLOCK: RT: Fix interacting with characters

2 files changed, 39 insertions, 0 deletions

diff --git a/engines/sherlock/tattoo/tattoo_scene.cpp b/engines/sherlock/tattoo/tattoo_scene.cpp
index f8ca2651c6..badc58d86f 100644
--- a/engines/sherlock/tattoo/tattoo_scene.cpp
+++ b/engines/sherlock/tattoo/tattoo_scene.cpp
@@ -708,6 +708,39 @@ void TattooScene::setNPCPath(int npc) {
 	talk.talkTo(pathFile);
 }
 
+int TattooScene::findBgShape(const Common::Point &pt) {
+	People &people = *_vm->_people;
+
+	if (!_doBgAnimDone)
+		// New frame hasn't been drawn yet
+		return -1;
+
+	int result = Scene::findBgShape(pt);
+	if (result == -1) {
+		// No shape found, so check whether a character is highlighted
+		for (int idx = 1; idx < MAX_CHARACTERS && result == -1; ++idx) {
+			Person &person = people[idx];
+
+			if (person._type == CHARACTER) {
+				int scaleVal = getScaleVal(person._position);
+				Common::Rect charRect;
+
+				if (scaleVal == SCALE_THRESHOLD)
+					charRect = Common::Rect(person.frameWidth(), person.frameHeight());
+				else
+					charRect = Common::Rect(person._imageFrame->sDrawXSize(scaleVal), person._imageFrame->sDrawYSize(scaleVal));
+				charRect.moveTo(person._position.x / FIXED_INT_MULTIPLIER, person._position.y / FIXED_INT_MULTIPLIER
+					- charRect.height());
+
+				if (charRect.contains(pt))
+					result = 1000 + idx;
+			}
+		}
+	}
+
+	return result;
+}
+
 void TattooScene::synchronize(Serializer &s) {
 	TattooEngine &vm = *(TattooEngine *)_vm;
 	Scene::synchronize(s);
diff --git a/engines/sherlock/tattoo/tattoo_scene.h b/engines/sherlock/tattoo/tattoo_scene.h
index 695fef3d49..432233f501 100644
--- a/engines/sherlock/tattoo/tattoo_scene.h
+++ b/engines/sherlock/tattoo/tattoo_scene.h
@@ -132,6 +132,12 @@ public:
 	 *		A negative playRate can also be specified to play the animation in reverse
 	 */
 	virtual int startCAnim(int cAnimNum, int playRate = 1);
+
+	/**
+	 * Attempts to find a background shape within the passed bounds. If found,
+	 * it will return the shape number, or -1 on failure.
+	 */
+	virtual int findBgShape(const Common::Point &pt);
 };
 
 } // End of namespace Tattoo