From bd48a32c5a2d9af74f30e58f3defb9ca4e789c25 Mon Sep 17 00:00:00 2001
From: Joseph-Eugene Winzer
Date: Mon, 12 Jun 2017 11:20:11 +0200
Subject: SUPERNOVA: Convert 18bit VGA to 24bit CLUT8

Colors on VGA are 6bit per color channel, that is why the colors
were so dark in earlier commits. Shifting the colors left by 2 gives us
an approximated value for CLUT8.
---
 engines/supernova/graphics.cpp | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/engines/supernova/graphics.cpp b/engines/supernova/graphics.cpp
index 225e2e72f2..3ab1c44d65 100644
--- a/engines/supernova/graphics.cpp
+++ b/engines/supernova/graphics.cpp
@@ -36,19 +36,15 @@ bool MSNImageDecoder::loadStream(Common::SeekableReadStream &stream) {
 	byte flag = stream.readByte();
 	if (flag == 0) {
 		pal_diff = 0;
-		_palette[141] = 0x38;
-		_palette[142] = 0x38;
-		_palette[143] = 0x38;
+		_palette[141] = 0xE0;
+		_palette[142] = 0xE0;
+		_palette[143] = 0xE0;
 	} else {
 		pal_diff = 1;
 		for (int i = flag * 3; i != 0; --i) {
-			_palette[717 - i] = stream.readByte();
+			_palette[717 - i] = stream.readByte() << 2;
 		}
 	}
-	// 18bit VGA to 24bit CLUT8
-	for (size_t i = 0; i < 717; ++i) {
-		_palette[i] <<= 2;
-	}
 
 	byte numSections = stream.readByte();
 	for (size_t i = 0; i < kMaxSections; ++i) {
-- 
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