From 8b618e46df21d90a1a5ad62633a2b9d3c1da0317 Mon Sep 17 00:00:00 2001
From: athrxx
Date: Sun, 11 Dec 2011 12:29:09 +0100
Subject: KYRA: (EOB/LOL) - cleanup common code

(rename some stuff and move EOB/LOL common code to separate files)
---
 engines/kyra/sprites_rpg.cpp | 46 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 engines/kyra/sprites_rpg.cpp

(limited to 'engines/kyra/sprites_rpg.cpp')

diff --git a/engines/kyra/sprites_rpg.cpp b/engines/kyra/sprites_rpg.cpp
new file mode 100644
index 0000000000..0c4fcb09ab
--- /dev/null
+++ b/engines/kyra/sprites_rpg.cpp
@@ -0,0 +1,46 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#if defined(ENABLE_EOB) || defined(ENABLE_LOL)
+
+#include "kyra/kyra_rpg.h"
+
+namespace Kyra {
+
+int KyraRpgEngine::getBlockDistance(uint16 block1, uint16 block2) {
+	int b1x = block1 & 0x1f;
+	int b1y = block1 >> 5;
+	int b2x = block2 & 0x1f;
+	int b2y = block2 >> 5;
+
+	uint8 dy = ABS(b2y - b1y);
+	uint8 dx = ABS(b2x - b1x);
+
+	if (dx > dy)
+		SWAP(dx, dy);
+
+	return (dx >> 1) + dy;
+}
+
+} // namespace Kyra
+
+#endif
-- 
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