From d042f82a8a8968cdbea969bd427c50794b43738d Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Fri, 21 Sep 2007 07:54:43 +0000
Subject: Minimize changes to the mouse cursor's palette

svn-id: r29002
---
 engines/agi/graphics.cpp | 11 +++++++++--
 engines/agi/graphics.h   |  1 +
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/engines/agi/graphics.cpp b/engines/agi/graphics.cpp
index 1b8223b051..378080fcc9 100644
--- a/engines/agi/graphics.cpp
+++ b/engines/agi/graphics.cpp
@@ -536,6 +536,7 @@ GfxMgr::GfxMgr(AgiBase *vm) : _vm(vm) {
 	_shakeH = NULL;
 	_shakeV = NULL;
 	_agipalFileNum = 0;
+	_currentCursorPalette = 0;	// cursor palette not set
 }
 
 
@@ -1007,9 +1008,15 @@ void GfxMgr::setCursor(bool amigaStyleCursor) {
 
 void GfxMgr::setCursorPalette(bool amigaStyleCursor) {
 	if (!amigaStyleCursor) {
-		CursorMan.replaceCursorPalette(sciMouseCursorPalette, 1, ARRAYSIZE(sciMouseCursorPalette) / 4);
+		if (_currentCursorPalette != 1) {
+			CursorMan.replaceCursorPalette(sciMouseCursorPalette, 1, ARRAYSIZE(sciMouseCursorPalette) / 4);
+			_currentCursorPalette = 1;
+		}
 	} else { // amigaStyleCursor
-		CursorMan.replaceCursorPalette(amigaMouseCursorPalette, 1, ARRAYSIZE(amigaMouseCursorPalette) / 4);
+		if (_currentCursorPalette != 2) {
+			CursorMan.replaceCursorPalette(amigaMouseCursorPalette, 1, ARRAYSIZE(amigaMouseCursorPalette) / 4);
+			_currentCursorPalette = 2;
+		}
 	}
 }
 
diff --git a/engines/agi/graphics.h b/engines/agi/graphics.h
index 9981c0d76a..6dfe168362 100644
--- a/engines/agi/graphics.h
+++ b/engines/agi/graphics.h
@@ -50,6 +50,7 @@ private:
 
 	uint8 _agipalPalette[16 * 3];
 	int _agipalFileNum;
+	int _currentCursorPalette;	// 0 - palette not set, 1 - PC, 2 - Amiga
 
 private:
 	void rawDrawButton(int x, int y, const char *s, int fgcolor, int bgcolor, bool border, int textOffset);
-- 
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