From 2d8457fceb775bbbe5b49ea6038fac7aedb1a052 Mon Sep 17 00:00:00 2001
From: Bastien Bouclet
Date: Fri, 26 Aug 2011 20:42:31 +0200
Subject: MOHAWK: Implement channelwood var getter 31 (patch from P. Monnerat)

---
 engines/mohawk/myst_stacks/channelwood.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/engines/mohawk/myst_stacks/channelwood.cpp b/engines/mohawk/myst_stacks/channelwood.cpp
index 0dd69a673a..9ca47cc92a 100644
--- a/engines/mohawk/myst_stacks/channelwood.cpp
+++ b/engines/mohawk/myst_stacks/channelwood.cpp
@@ -159,6 +159,16 @@ uint16 Channelwood::getVar(uint16 var) {
 		return ((_state.waterValveStates & 0xe2) == 0x80) ? 1 : 0;
 	case 30: // Door State
 		return _doorOpened;
+	case 31: // Water flowing in pipe fork ?
+		// 0 -> keep sound.
+		// 1 -> not flowing.
+		// 2 --> flowing.
+		if ((_state.waterValveStates & 0xe2) == 0x82)	// From left.
+			return 2;
+		if ((_state.waterValveStates & 0xf4) == 0xa0)	// From right.
+			return 1;
+
+		return 0;
 	case 32: // Sound - Water Flowing in Pipe to Book Room Elevator
 		return ((_state.waterValveStates & 0xf8) == 0xb0 && _state.pipeState) ? 1 : 0;
 	case 33: // Channelwood Lower Walkway to Upper Walkway Spiral Stair Upper Door State
-- 
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