From 69788f3d70c7db865fadfce9247dd572cb7f2da1 Mon Sep 17 00:00:00 2001
From: Johannes Schickel
Date: Wed, 31 Jan 2007 23:48:12 +0000
Subject: Some changes to be closer to the original with palette handling.

svn-id: r25316
---
 engines/kyra/kyra.h        |  7 ++++---
 engines/kyra/scene.cpp     | 18 ++++++++++++++----
 engines/kyra/screen.cpp    |  5 +++--
 engines/kyra/script_v1.cpp |  7 +++----
 engines/kyra/sprites.cpp   |  9 +++++++--
 5 files changed, 31 insertions(+), 15 deletions(-)

diff --git a/engines/kyra/kyra.h b/engines/kyra/kyra.h
index 6c287a2e04..905b6fc212 100644
--- a/engines/kyra/kyra.h
+++ b/engines/kyra/kyra.h
@@ -317,6 +317,10 @@ public:
 	int mouseX() { return _mouseX; }
 	int mouseY() { return _mouseY; }
 	
+	int setGameFlag(int flag);
+	int queryGameFlag(int flag);
+	int resetGameFlag(int flag);
+	
 	virtual int runOpcode(ScriptState *script, uint8 opcode);
 protected:
 	int o1_magicInMouseItem(ScriptState *script);
@@ -493,9 +497,6 @@ protected:
 	void characterSays(int vocFile, const char *chatStr, int8 charNum, int8 chatDuration);
 
 	void setCharactersPositions(int character);
-	int setGameFlag(int flag);
-	int queryGameFlag(int flag);
-	int resetGameFlag(int flag);
 	
 	void setupSceneResource(int sceneId);
 	
diff --git a/engines/kyra/scene.cpp b/engines/kyra/scene.cpp
index e879e98186..3ab9b6b09b 100644
--- a/engines/kyra/scene.cpp
+++ b/engines/kyra/scene.cpp
@@ -822,18 +822,28 @@ void KyraEngine::initSceneObjectList(int brandonAlive) {
 }
 
 void KyraEngine::initSceneScreen(int brandonAlive) {
-	// XXX Palette stuff
+	if (_unkScreenVar1 && !queryGameFlag(0xA0)) {
+		for (int i = 0; i < 60; ++i) {
+			uint16 col = _screen->getPalette(0)[684+i];
+			col += _screen->getPalette(1)[684+i] << 1;
+			col >>= 2;
+			_screen->getPalette(0)[684+i] = col;
+		}
+		_screen->setScreenPalette(_screen->getPalette(0));
+	}
+
 	if (_unkScreenVar2 == 1) {
 		_screen->shuffleScreen(8, 8, 304, 128, 2, 0, _unkScreenVar3, false);
 	} else {
 		_screen->copyRegion(8, 8, 8, 8, 304, 128, 2, 0);
 	}
+
 	if (_unkScreenVar1 && _paletteChanged) {
 		if (!queryGameFlag(0xA0)) {
-			// XXX Palette stuff
-			_screen->setScreenPalette(_screen->_currentPalette);
+			memcpy(_screen->getPalette(0) + 684, _screen->getPalette(1) + 684, 60);
+			_screen->setScreenPalette(_screen->getPalette(0));
 		} else {
-			// XXX Palette stuff
+			memset(_screen->getPalette(0), 0, 768);
 		}
 	}
 	// really call this here?
diff --git a/engines/kyra/screen.cpp b/engines/kyra/screen.cpp
index a8bc689a05..759249dfb8 100644
--- a/engines/kyra/screen.cpp
+++ b/engines/kyra/screen.cpp
@@ -307,7 +307,8 @@ void Screen::setPaletteIndex(uint8 index, uint8 red, uint8 green, uint8 blue) {
 
 void Screen::setScreenPalette(const uint8 *palData) {
 	debugC(9, kDebugLevelScreen, "Screen::setScreenPalette(%p)", (const void *)palData);
-	memcpy(_screenPalette, palData, 768);
+	if (palData != _screenPalette)
+		memcpy(_screenPalette, palData, 768);
 	uint8 screenPal[256 * 4];
 	for (int i = 0; i < 256; ++i) {
 		screenPal[4 * i + 0] = (palData[0] << 2) | (palData[0] & 3);
@@ -2023,7 +2024,7 @@ uint8 *Screen::getPalette(int num) {
 	debugC(9, kDebugLevelScreen, "Screen::getPalette(%d)", num);
 	assert(num >= 0 && num < ARRAYSIZE(_palettes)+1);
 	if (num == 0) {
-		return _screenPalette;
+		return _currentPalette;
 	}
 	
 	return _palettes[num-1];
diff --git a/engines/kyra/script_v1.cpp b/engines/kyra/script_v1.cpp
index e08eb5b439..246119f539 100644
--- a/engines/kyra/script_v1.cpp
+++ b/engines/kyra/script_v1.cpp
@@ -1547,10 +1547,9 @@ int KyraEngine::o1_fadeEntirePalette(ScriptState *script) {
 		warning("unimplemented o1_fadeEntirePalette function");
 		return 0;
 	} else if (cmd == 2) {
-		// HACK
-		uint8 *clearPal = _screen->getPalette(0);
-		fadePal = _screen->getPalette(1);		
-		memset(clearPal, 0, sizeof(uint8)*768);
+		memset(_screen->getPalette(2), 0, 768);
+		memcpy(_screen->getPalette(0), _screen->getPalette(1), 768);
+		fadePal = _screen->getPalette(0);
 	}
 	
 	_screen->fadePalette(fadePal, stackPos(1));
diff --git a/engines/kyra/sprites.cpp b/engines/kyra/sprites.cpp
index da2f99df8a..85cb1ea372 100644
--- a/engines/kyra/sprites.cpp
+++ b/engines/kyra/sprites.cpp
@@ -415,10 +415,15 @@ void Sprites::loadDAT(const char *filename, SceneExits &exits) {
 	_engine->_northExitHeight = READ_LE_UINT16(_dat + 0x15);
 	if (_engine->_northExitHeight & 1)
 		_engine->_northExitHeight += 1;
+
+	if (_engine->queryGameFlag(0xA0)) {
+		memcpy(_screen->getPalette(1), _screen->getPalette(3), 768);
+	} else {
+		memcpy(_screen->getPalette(1), _screen->getPalette(0), 768);
+	}
 	// XXX
-	memcpy(_screen->_currentPalette + 744 - 60, _dat + 0x17, 60);
 	_engine->_paletteChanged = 1;
-	memcpy(_screen->getPalette(1), _screen->_currentPalette, sizeof(uint8)*768);
+	memcpy(_screen->getPalette(1) + 684, _dat + 0x17, 60);
 	uint8 *data = _dat + 0x6B;
 
 	uint16 length = READ_LE_UINT16(data);
-- 
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