Fixed dialogues logic (some indexes were calculated erroneously +/- 1).

svn-id: r43312

2 files changed, 9 insertions, 4 deletions

diff --git a/engines/draci/game.cpp b/engines/draci/game.cpp
index 860344c693..715b233ab2 100644
--- a/engines/draci/game.cpp
+++ b/engines/draci/game.cpp
@@ -560,7 +560,7 @@ void Game::dialogueMenu(int dialogueID) {
 			break;
 		}
 		_lastBlock = _lines[hit];
-		_dialogueVars[_dialogueOffsets[dialogueID] + _lastBlock + 1] += 1;
+		_dialogueVars[_dialogueOffsets[dialogueID] + _lastBlock] += 1;
 		_dialogueBegin = false;
 		oldLines = _dialogueLines;
 
@@ -598,7 +598,7 @@ int Game::dialogueDraw() {
 	}
 
 	for (i = _dialogueLines; i < kDialogueLines; ++i) {
-		_lines[i] = 0;
+		_lines[i] = -1;
 		anim = _dialogueAnims[i];
 		dialogueLine = reinterpret_cast<Text *>(anim->getFrame());
 		dialogueLine->setText("");
@@ -672,7 +672,7 @@ void Game::dialogueInit(int dialogID) {
 	}
 
 	_loopStatus = kStatusDialogue;
-	_lastBlock = 0;
+	_lastBlock = -1;
 	_dialogueBegin = true;
 }
 
diff --git a/engines/draci/script.cpp b/engines/draci/script.cpp
index f526bdc874..26d0a666ba 100644
--- a/engines/draci/script.cpp
+++ b/engines/draci/script.cpp
@@ -223,15 +223,20 @@ int Script::funcAtBegin(int yesno) {
 }	
 
 int Script::funcLastBlock(int blockID) {
+	blockID -= 1;
 
 	return _vm->_game->_lastBlock == blockID;
 }
 
 int Script::funcBlockVar(int blockID) {
+	blockID -= 1;
+
 	return _vm->_game->_dialogueVars[_vm->_game->_dialogueOffsets[_vm->_game->_currentDialogue] + blockID];
 }
 
 int Script::funcHasBeen(int blockID) {
+	blockID -= 1;
+
 	return _vm->_game->_dialogueVars[_vm->_game->_dialogueOffsets[_vm->_game->_currentDialogue] + blockID] > 0;
 }
 
@@ -692,7 +697,7 @@ void Script::resetDialogueFrom(Common::Queue<int> &params) {
 }
 
 void Script::resetBlock(Common::Queue<int> &params) {
-	int blockID = params.pop();
+	int blockID = params.pop() - 1;
 
 	_vm->_game->_dialogueVars[_vm->_game->_dialogueOffsets[_vm->_game->_currentDialogue]+blockID] = 0;
 }