DRASCULA: Fix bug #3069977 ("Grafic Glitches in text")

If response() loads an image into backSurface, we need to restore the
conversation charset to it once we're done. This may very well fix a
few other similar bugs, but I haven't verified that.

svn-id: r52845

1 files changed, 8 insertions, 1 deletions

diff --git a/engines/drascula/converse.cpp b/engines/drascula/converse.cpp
index 0e70348148..8fecb682fc 100644
--- a/engines/drascula/converse.cpp
+++ b/engines/drascula/converse.cpp
@@ -287,8 +287,12 @@ void DrasculaEngine::response(int function) {
 		playTalkSequence(function);
 
 	if (currentChapter == 2) {
-		if (function == 16 || function == 20 || function == 23 || function == 29 || function == 31)
+		bool reloadConversationCharset = false;
+
+		if (function == 16 || function == 20 || function == 23 || function == 29 || function == 31) {
+			reloadConversationCharset = true;
 			loadPic(menuBackground, backSurface);
+		}
 
 		if (function == 16)
 			animation_16_2();
@@ -300,6 +304,9 @@ void DrasculaEngine::response(int function) {
 			animation_29_2();
 		else if (function == 31)
 			animation_31_2();
+
+		if (reloadConversationCharset)
+			loadPic("car.alg", backSurface);
 	} else if (currentChapter == 3) {
 		grr();
 	}