From b95695719f69658c7abe3e01d9c9a9c066b73864 Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Tue, 22 Jan 2013 00:56:46 +0200
Subject: SCI: Fix angle rounding in the SCI1 implementation of kGetAngle (bug
 #3601479)

Fixes bug #3601479 - "SCI KQ6: Castle walls - stuck in same room".
Many thanks to wjp for his help on the kGetAngle implementation
---
 engines/sci/engine/kmath.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'engines')

diff --git a/engines/sci/engine/kmath.cpp b/engines/sci/engine/kmath.cpp
index 4b8fadbb84..14a20b8da1 100644
--- a/engines/sci/engine/kmath.cpp
+++ b/engines/sci/engine/kmath.cpp
@@ -87,7 +87,7 @@ uint16 kGetAngleWorker(int16 x1, int16 y1, int16 x2, int16 y2) {
 	// SCI1 games (QFG2 and newer) use a simple atan implementation. SCI0 games
 	// use a somewhat less accurate calculation (below).
 	if (getSciVersion() >= SCI_VERSION_1_EGA_ONLY)
-		return (int16)(360 - atan2((double)(x1 - x2), (double)(y1 - y2)) * 57.2958) % 360;
+		return (int16)(360 - atan2((double)(x1 - x2), (double)(y1 - y2)) * 180 / M_PI + 0.5) % 360;
 
 	int16 xRel = x2 - x1;
 	int16 yRel = y1 - y2; // y-axis is mirrored.
-- 
cgit v1.2.3