BLADERUNNER: Support wait for dialogue queues to finish

Fixes a Crazylegs bug where he can interrupt himself

Could probably be used elsewhere if there are any other such cases.

3 files changed, 13 insertions, 0 deletions

diff --git a/engines/bladerunner/script/scene/hf05.cpp b/engines/bladerunner/script/scene/hf05.cpp
index 4cdc3f02b7..54ffe91b79 100644
--- a/engines/bladerunner/script/scene/hf05.cpp
+++ b/engines/bladerunner/script/scene/hf05.cpp
@@ -690,6 +690,13 @@ void SceneScriptHF05::talkWithCrazyLegs1() {
 	Ambient_Sounds_Play_Sound(149, 99, 99, 0, 0);
 	Actor_Face_Actor(kActorCrazylegs, kActorMcCoy, true);
 	Actor_Face_Actor(kActorMcCoy, kActorCrazylegs, true);
+#if BLADERUNNER_ORIGINAL_BUGS
+#else
+	// There is a chance here that Crazylegs will "interrupt himself"
+	// and thus sometimes skip the last sentence of the above queued dialogue in chapter 3.
+	// So we explicitly wait for the queue to be emptied before proceeding to his next line
+	ADQ_Wait_For_All_Queued_Dialogue();
+#endif // BLADERUNNER_ORIGINAL_BUGS
 	Actor_Says(kActorCrazylegs, 170, kAnimationModeTalk);
 	Actor_Says(kActorCrazylegs, 180, 12);
 	Actor_Says(kActorCrazylegs, 190, 14);
diff --git a/engines/bladerunner/script/script.cpp b/engines/bladerunner/script/script.cpp
index 15b6067030..9242b294c4 100644
--- a/engines/bladerunner/script/script.cpp
+++ b/engines/bladerunner/script/script.cpp
@@ -1551,6 +1551,11 @@ void ScriptBase::ADQ_Add_Pause(int delay) {
 	_vm->_actorDialogueQueue->addPause(delay);
 }
 
+void ScriptBase::ADQ_Wait_For_All_Queued_Dialogue() {
+	debugC(kDebugScript, "ADQ_Wait_For_All_Queued_Dialogue()");
+	_vm->loopQueuedDialogueStillPlaying();
+}
+
 bool ScriptBase::Game_Over() {
 	debugC(kDebugScript, "Game_Over()");
 	_vm->_gameIsRunning = false;
diff --git a/engines/bladerunner/script/script.h b/engines/bladerunner/script/script.h
index f52fc52431..340752ac4c 100644
--- a/engines/bladerunner/script/script.h
+++ b/engines/bladerunner/script/script.h
@@ -259,6 +259,7 @@ protected:
 	void ADQ_Flush();
 	void ADQ_Add(int actorId, int sentenceId, int animationMode);
 	void ADQ_Add_Pause(int delay);
+	void ADQ_Wait_For_All_Queued_Dialogue();
 	bool Game_Over();
 	void Autosave_Game(int textId);
 	void I_Sez(const char *str);