Change Screen_LoL genereta overlay functionallity to accept a Palette object as source.

svn-id: r41884

4 files changed, 11 insertions, 11 deletions

diff --git a/engines/kyra/lol.cpp b/engines/kyra/lol.cpp
index 4ac8a43ae0..4dee693a55 100644
--- a/engines/kyra/lol.cpp
+++ b/engines/kyra/lol.cpp
@@ -2067,7 +2067,7 @@ int LoLEngine::processMagicHealSelectTarget() {
 int LoLEngine::processMagicHeal(int charNum, int spellLevel) {
 	if (!_healOverlay) {
 		_healOverlay = new uint8[256];
-		_screen->generateGrayOverlay(_screen->getPalette(1).getData(), _healOverlay, 52, 22, 20, 0, 256, true);
+		_screen->generateGrayOverlay(_screen->getPalette(1), _healOverlay, 52, 22, 20, 0, 256, true);
 	}
 
 	const uint8 *healShpFrames = 0;
@@ -3849,7 +3849,7 @@ void LoLEngine::displayAutomap() {
 	for (int i = 0; i < 109; i++)
 		_automapShapes[i] = _screen->getPtrToShape(shp, i + 11);
 
-	_screen->generateGrayOverlay(_screen->getPalette(3).getData(), _mapOverlay, 52, 0, 0, 0, 256, false);
+	_screen->generateGrayOverlay(_screen->getPalette(3), _mapOverlay, 52, 0, 0, 0, 256, false);
 
 	_screen->loadFont(Screen::FID_9_FNT, "FONT9PN.FNT");
 	_screen->loadFont(Screen::FID_6_FNT, "FONT6PN.FNT");
diff --git a/engines/kyra/scene_lol.cpp b/engines/kyra/scene_lol.cpp
index e5231e56aa..50fb562a90 100644
--- a/engines/kyra/scene_lol.cpp
+++ b/engines/kyra/scene_lol.cpp
@@ -86,7 +86,7 @@ void LoLEngine::loadLevel(int index) {
 	addLevelItems();
 	deleteMonstersFromBlock(_currentBlock);
 
-	_screen->generateGrayOverlay(_screen->getPalette(0).getData(), _screen->_grayOverlay, 32, 16, 0, 0, 128, true);
+	_screen->generateGrayOverlay(_screen->getPalette(0), _screen->_grayOverlay, 32, 16, 0, 0, 128, true);
 
 	_sceneDefaultUpdate = 0;
 	if (_screen->_fadeFlag == 3)
@@ -423,7 +423,7 @@ void LoLEngine::loadLevelGraphics(const char *file, int specialColor, int weight
 	for (int i = 0; i < 7; i++) {
 		weight = 100 - (i * _lastSpecialColorWeight);
 		weight = (weight > 0) ? (weight * 255) / 100 : 0;
-		_screen->generateLevelOverlay(_screen->getPalette(0).getData(), _screen->getLevelOverlay(i), _lastSpecialColor, weight);
+		_screen->generateLevelOverlay(_screen->getPalette(0), _screen->getLevelOverlay(i), _lastSpecialColor, weight);
 
 		for (int ii = 0; ii < 128; ii++) {
 			if (_screen->getLevelOverlay(i)[ii] == 255)
diff --git a/engines/kyra/screen_lol.cpp b/engines/kyra/screen_lol.cpp
index e75745d51c..a717a10931 100644
--- a/engines/kyra/screen_lol.cpp
+++ b/engines/kyra/screen_lol.cpp
@@ -144,7 +144,7 @@ void Screen_LoL::fprintStringIntro(const char *format, int x, int y, uint8 c1, u
 	printText(buffer, x, y, c1, c2);
 }
 
-void Screen_LoL::generateGrayOverlay(const uint8 *srcPal, uint8 *grayOverlay, int factor, int addR, int addG, int addB, int lastColor, bool skipSpecialColors) {
+void Screen_LoL::generateGrayOverlay(const Palette &srcPal, uint8 *grayOverlay, int factor, int addR, int addG, int addB, int lastColor, bool skipSpecialColors) {
 	Palette tmpPal(lastColor);
 
 	for (int i = 0; i != lastColor; i++) {
@@ -157,11 +157,11 @@ void Screen_LoL::generateGrayOverlay(const uint8 *srcPal, uint8 *grayOverlay, in
 	}
 
 	for (int i = 0; i < lastColor; i++)
-		grayOverlay[i] = findLeastDifferentColor(tmpPal.getData() + 3 * i, srcPal, lastColor, skipSpecialColors);
+		grayOverlay[i] = findLeastDifferentColor(tmpPal.getData() + 3 * i, srcPal.getData(), lastColor, skipSpecialColors);
 }
 
-uint8 *Screen_LoL::generateLevelOverlay(const uint8 *srcPal, uint8 *ovl, int opColor, int weight) {
-	if (!srcPal || !ovl)
+uint8 *Screen_LoL::generateLevelOverlay(const Palette &srcPal, uint8 *ovl, int opColor, int weight) {
+	if (!ovl)
 		return ovl;
 
 	if (weight > 255)
@@ -186,7 +186,7 @@ uint8 *Screen_LoL::generateLevelOverlay(const uint8 *srcPal, uint8 *ovl, int opC
 		int m = 0x7fff;
 		int ii = 127;
 		int x = 1;
-		const uint8 *s = srcPal + 3;
+		const uint8 *s = srcPal.getData() + 3;
 
 		do {
 			if (i == x) {
diff --git a/engines/kyra/screen_lol.h b/engines/kyra/screen_lol.h
index 278118ea1c..2867875218 100644
--- a/engines/kyra/screen_lol.h
+++ b/engines/kyra/screen_lol.h
@@ -76,8 +76,8 @@ public:
 	bool fadePaletteStep(uint8 *pal1, uint8 *pal2, uint32 elapsedTime, uint32 targetTime);
 	uint8 *generateFadeTable(uint8 *dst, uint8 *src1, uint8 *src2, int numTabs);
 
-	void generateGrayOverlay(const uint8 *srcPal, uint8 *grayOverlay, int factor, int addR, int addG, int addB, int lastColor, bool skipSpecialColors);
-	uint8 *generateLevelOverlay(const uint8 *srcPal, uint8 *ovl, int opColor, int weight);
+	void generateGrayOverlay(const Palette &Pal, uint8 *grayOverlay, int factor, int addR, int addG, int addB, int lastColor, bool skipSpecialColors);
+	uint8 *generateLevelOverlay(const Palette &Pal, uint8 *ovl, int opColor, int weight);
 	uint8 *getLevelOverlay(int index) { return _levelOverlays[index]; }
 
 	void copyBlockAndApplyOverlay(int page1, int x1, int y1, int page2, int x2, int y2, int w, int h, int dim, uint8 *ovl);