Fix kyra2/kyra3 mouse cursor related regressions, introduced with r41959.

svn-id: r41960

4 files changed, 7 insertions, 6 deletions

diff --git a/engines/kyra/screen.cpp b/engines/kyra/screen.cpp
index 84be942a1f..7f47fd9cf3 100644
--- a/engines/kyra/screen.cpp
+++ b/engines/kyra/screen.cpp
@@ -34,7 +34,8 @@
 namespace Kyra {
 
 Screen::Screen(KyraEngine_v1 *vm, OSystem *system)
-	: _system(system), _vm(vm), _sjisInvisibleColor(0) {
+	: _system(system), _vm(vm), _sjisInvisibleColor(0),
+	_cursorColorKey((vm->gameFlags().gameID == GI_KYRA1) ? 0xFF : 0x00) {
 	_debugEnabled = false;
 	_maskMinY = _maskMaxY = -1;
 }
@@ -2622,12 +2623,11 @@ void Screen::setMouseCursor(int x, int y, const byte *shape) {
 		y <<= 1;
 		mouseWidth <<= 1;
 		mouseHeight <<= 1;
-		fillRect(mouseWidth, 0, mouseWidth, mouseHeight, 255, 8);
 	}
 
 
 	uint8 *cursor = new uint8[mouseHeight * mouseWidth];
-	fillRect(0, 0, mouseWidth, mouseHeight, 255, 8);
+	fillRect(0, 0, mouseWidth, mouseHeight, _cursorColorKey, 8);
 	drawShape(8, shape, 0, 0, 0, 0);
 
 	int xOffset = 0;
@@ -2642,7 +2642,7 @@ void Screen::setMouseCursor(int x, int y, const byte *shape) {
 
 	CursorMan.showMouse(false);
 	copyRegionToBuffer(8, xOffset, 0, mouseWidth, mouseHeight, cursor);
-	CursorMan.replaceCursor(cursor, mouseWidth, mouseHeight, x, y, 255);
+	CursorMan.replaceCursor(cursor, mouseWidth, mouseHeight, x, y, _cursorColorKey);
 	if (isMouseVisible())
 		CursorMan.showMouse(true);
 	delete[] cursor;
diff --git a/engines/kyra/screen.h b/engines/kyra/screen.h
index 3d2bda3b59..390d058bb8 100644
--- a/engines/kyra/screen.h
+++ b/engines/kyra/screen.h
@@ -398,6 +398,7 @@ protected:
 
 	// mouse handling
 	int _mouseLockCount;
+	const uint8 _cursorColorKey;
 
 	virtual void postProcessCursor(uint8 *data, int w, int h, int pitch) {};
 
diff --git a/engines/kyra/screen_lok.h b/engines/kyra/screen_lok.h
index f845261f29..4eb22df374 100644
--- a/engines/kyra/screen_lok.h
+++ b/engines/kyra/screen_lok.h
@@ -91,7 +91,7 @@ private:
 
 	void convertTo16Colors(uint8 *page, int w, int h, int pitch, int keyColor = -1);
 	void postProcessCursor(uint8 *data, int width, int height, int pitch) {
-		convertTo16Colors(data, width, height, pitch, 255);
+		convertTo16Colors(data, width, height, pitch, _cursorColorKey);
 	}
 	void mergeOverlay(int x, int y, int w, int h);
 
diff --git a/engines/kyra/screen_lol.cpp b/engines/kyra/screen_lol.cpp
index ad7061dd97..5453ee0e75 100644
--- a/engines/kyra/screen_lol.cpp
+++ b/engines/kyra/screen_lol.cpp
@@ -997,7 +997,7 @@ void Screen_LoL::convertPC98Gfx(uint8 *data, int w, int h, int pitch) {
 void Screen_LoL::postProcessCursor(uint8 *data, int w, int h, int pitch) {
 	while (h--) {
 		for (int i = 0; i < w; ++i) {
-			if (*data != 255)
+			if (*data != _cursorColorKey)
 				*data = _paletteConvTable[*data];
 			++data;
 		}