From 5354c1b764ff16a1c7cb81fa5fba681a42a200f6 Mon Sep 17 00:00:00 2001
From: Thanasis Antoniou
Date: Fri, 5 Apr 2019 22:21:27 +0300
Subject: BLADERUNNER: Minor fix for Random_Query

---
 engines/bladerunner/script/scene/ct09.cpp | 2 +-
 engines/bladerunner/script/scene/ps09.cpp | 2 +-
 engines/bladerunner/script/scene/ug04.cpp | 2 +-
 engines/bladerunner/script/script.cpp     | 8 ++++++++
 4 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/engines/bladerunner/script/scene/ct09.cpp b/engines/bladerunner/script/scene/ct09.cpp
index c209928239..bfb69bce9d 100644
--- a/engines/bladerunner/script/scene/ct09.cpp
+++ b/engines/bladerunner/script/scene/ct09.cpp
@@ -155,7 +155,7 @@ void SceneScriptCT09::SceneFrameAdvanced(int frame) {
 	 || frame == 46
 	 || frame == 59
 	) {
-		Sound_Play(kSfxNEON7, Random_Query(47, 47), 70, 70, 50); // a bug? random min == max
+		Sound_Play(kSfxNEON7, Random_Query(47, 47), 70, 70, 50);
 	}
 }
 
diff --git a/engines/bladerunner/script/scene/ps09.cpp b/engines/bladerunner/script/scene/ps09.cpp
index ee94b1e0e1..832883f039 100644
--- a/engines/bladerunner/script/scene/ps09.cpp
+++ b/engines/bladerunner/script/scene/ps09.cpp
@@ -254,7 +254,7 @@ void SceneScriptPS09::SceneFrameAdvanced(int frame) {
 	 || frame == 52
 	 || frame == 54
 	) {
-		Sound_Play(kSfxNEON7, Random_Query(50, 33), 10, 10, 50); // TODO needs support for swapped min, max in Random_Query
+		Sound_Play(kSfxNEON7, Random_Query(50, 33), 10, 10, 50);
 	}
 	//return true;
 }
diff --git a/engines/bladerunner/script/scene/ug04.cpp b/engines/bladerunner/script/scene/ug04.cpp
index 288fcec297..b825869995 100644
--- a/engines/bladerunner/script/scene/ug04.cpp
+++ b/engines/bladerunner/script/scene/ug04.cpp
@@ -123,7 +123,7 @@ bool SceneScriptUG04::ClickedOn2DRegion(int region) {
 }
 
 void SceneScriptUG04::SceneFrameAdvanced(int frame) {
-	if (frame == 1) { // TODO - Maybe only play this sound when the train shows up
+	if (frame == 1) {
 		Ambient_Sounds_Play_Sound(kSfxSUBWAY1, 90, -100, 100, 100);
 	}
 }
diff --git a/engines/bladerunner/script/script.cpp b/engines/bladerunner/script/script.cpp
index 9e2454b895..b082983ea5 100644
--- a/engines/bladerunner/script/script.cpp
+++ b/engines/bladerunner/script/script.cpp
@@ -957,6 +957,14 @@ int ScriptBase::Global_Variable_Decrement(int var, int dec) {
 
 int ScriptBase::Random_Query(int min, int max) {
 	debugC(9, kDebugScript, "Random_Query(%d, %d)", min, max);
+	if ( min == max )
+	{
+		return min;
+	}
+	if ( min > max ) // there is at least one such case
+	{
+		return _vm->_rnd.getRandomNumberRng(max, min); // swap the arguments
+	}
 	return _vm->_rnd.getRandomNumberRng(min, max);
 }
 
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