From 1e291b0b25719f61f7173d9f8ae7e0da5164b526 Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Sun, 24 May 2015 07:46:25 -0400
Subject: SHERLOCK: Implemented initial RT palette loading

---
 engines/sherlock/scene.cpp         |  4 +---
 engines/sherlock/screen.cpp        |  7 ++++++-
 engines/sherlock/screen.h          |  6 ++++++
 engines/sherlock/tattoo/tattoo.cpp | 12 ++++++++++++
 engines/sherlock/tattoo/tattoo.h   |  5 +++++
 5 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/engines/sherlock/scene.cpp b/engines/sherlock/scene.cpp
index 4672e3e7b1..e625dae7aa 100644
--- a/engines/sherlock/scene.cpp
+++ b/engines/sherlock/scene.cpp
@@ -514,9 +514,7 @@ bool Scene::loadScene(const Common::String &filename) {
 		} else {
 			// Read in palette
 			rrmStream->read(screen._cMap, PALETTE_SIZE);
-			for (int idx = 0; idx < PALETTE_SIZE; ++idx)
-				screen._cMap[idx] = VGA_COLOR_TRANS(screen._cMap[idx]);
-
+			screen.translatePalette(screen._cMap);
 			Common::copy(screen._cMap, screen._cMap + PALETTE_SIZE, screen._sMap);
 
 			// Read in the background
diff --git a/engines/sherlock/screen.cpp b/engines/sherlock/screen.cpp
index 24f7660743..bb9dbd7ec4 100644
--- a/engines/sherlock/screen.cpp
+++ b/engines/sherlock/screen.cpp
@@ -39,7 +39,7 @@ Screen::Screen(SherlockEngine *vm) : Surface(g_system->getWidth(), g_system->get
 	Common::fill(&_cMap[0], &_cMap[PALETTE_SIZE], 0);
 	Common::fill(&_sMap[0], &_sMap[PALETTE_SIZE], 0);
 	Common::fill(&_tMap[0], &_tMap[PALETTE_SIZE], 0);
-	setFont(1);
+	setFont(IS_SERRATED_SCALPEL ? 1 : 4);
 
 	// Rose Tattoo specific fields
 	_fadeBytesRead = _fadeBytesToRead = 0;
@@ -466,4 +466,9 @@ void Screen::initScrollVars() {
 	_targetScroll = 0;
 }
 
+void Screen::translatePalette(byte palette[PALETTE_SIZE]) {
+	for (int idx = 0; idx < PALETTE_SIZE; ++idx)
+		palette[idx] = VGA_COLOR_TRANS(palette[idx]);
+}
+
 } // End of namespace Sherlock
diff --git a/engines/sherlock/screen.h b/engines/sherlock/screen.h
index f4cd6fd955..58c7d8f152 100644
--- a/engines/sherlock/screen.h
+++ b/engines/sherlock/screen.h
@@ -251,6 +251,12 @@ public:
 	void setupBGArea(const byte cMap[PALETTE_SIZE]);
 
 	void initScrollVars();
+
+	/**
+	 * Translate a palette from 6-bit RGB values to full 8-bit values suitable for passing
+	 * to the underlying palette manager
+	 */
+	static void translatePalette(byte palette[PALETTE_SIZE]);
 };
 
 } // End of namespace Sherlock
diff --git a/engines/sherlock/tattoo/tattoo.cpp b/engines/sherlock/tattoo/tattoo.cpp
index 9039e3f9d4..47a7c2a9ba 100644
--- a/engines/sherlock/tattoo/tattoo.cpp
+++ b/engines/sherlock/tattoo/tattoo.cpp
@@ -47,6 +47,9 @@ void TattooEngine::initialize() {
 
 	// Starting scene
 	_scene->_goToScene = 91;
+
+	// Load an initial palette
+	loadInitialPalette();
 }
 
 /**
@@ -56,6 +59,15 @@ void TattooEngine::startScene() {
 	// TODO
 }
 
+void TattooEngine::loadInitialPalette() {
+	byte palette[768];
+	Common::SeekableReadStream *stream = _res->load("room.pal");
+	stream->read(palette, PALETTE_SIZE);
+	_screen->translatePalette(palette);
+	_screen->setPalette(palette);
+
+	delete stream;
+}
 
 } // End of namespace Tattoo
 
diff --git a/engines/sherlock/tattoo/tattoo.h b/engines/sherlock/tattoo/tattoo.h
index 7bdeec55d1..b9224e06ba 100644
--- a/engines/sherlock/tattoo/tattoo.h
+++ b/engines/sherlock/tattoo/tattoo.h
@@ -30,6 +30,11 @@ namespace Sherlock {
 namespace Tattoo {
 
 class TattooEngine : public SherlockEngine {
+private:
+	/**
+	 * Loads the initial palette for the game
+	 */
+	void loadInitialPalette();
 protected:
 	virtual void initialize();
 
-- 
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