From 8eaa89863aafae3b76f50c2ec319c1998ab71773 Mon Sep 17 00:00:00 2001
From: Gregory Montoir
Date: Tue, 1 Nov 2005 02:43:54 +0000
Subject: in v7/v8, remapPaletteColor() ignores color 255 in v7,
 remapPaletteColor() ignores colors setup by initCycle()

svn-id: r19380
---
 scumm/palette.cpp  | 10 +++++++++-
 scumm/saveload.cpp |  5 +++++
 scumm/saveload.h   |  2 +-
 scumm/scumm.h      |  1 +
 4 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/scumm/palette.cpp b/scumm/palette.cpp
index 29f2c33c04..2b82949a47 100644
--- a/scumm/palette.cpp
+++ b/scumm/palette.cpp
@@ -306,6 +306,7 @@ void ScummEngine::initCycl(const byte *ptr) {
 			cycl->end = end;
 		}
 	} else {
+		memset(_colorUsedByCycle, 0, sizeof(_colorUsedByCycle));
 		while ((j = *ptr++) != 0) {
 			if (j < 1 || j > 16) {
 				error("Invalid color cycle index %d", j);
@@ -320,6 +321,10 @@ void ScummEngine::initCycl(const byte *ptr) {
 			ptr += 2;
 			cycl->start = *ptr++;
 			cycl->end = *ptr++;
+
+			for (int i = cycl->start; i <= cycl->end; ++i) {
+				_colorUsedByCycle[i] = 1;
+			}
 		}
 	}
 }
@@ -787,7 +792,10 @@ int ScummEngine::remapPaletteColor(int r, int g, int b, int threshold) {
 	g &= ~3;
 	b &= ~3;
 
-	for (i = startColor; i < 256; i++, pal += 3) {
+	for (i = startColor; i < 255; i++, pal += 3) {
+		if (_version == 7 && _colorUsedByCycle[i])
+			continue;
+
 		ar = pal[0] & ~3;
 		ag = pal[1] & ~3;
 		ab = pal[2] & ~3;
diff --git a/scumm/saveload.cpp b/scumm/saveload.cpp
index 453d092240..88fead21b9 100644
--- a/scumm/saveload.cpp
+++ b/scumm/saveload.cpp
@@ -759,6 +759,7 @@ void ScummEngine::saveOrLoad(Serializer *s) {
 		MKLINE(ScummEngine, _mouse.x, sleInt16, VER(20)),
 		MKLINE(ScummEngine, _mouse.y, sleInt16, VER(20)),
 
+		MKARRAY(ScummEngine, _colorUsedByCycle[0], sleByte, 256, VER(60)),
 		MKLINE(ScummEngine, _doEffect, sleByte, VER(8)),
 		MKLINE(ScummEngine, _switchRoomEffect, sleByte, VER(8)),
 		MKLINE(ScummEngine, _newEffect, sleByte, VER(8)),
@@ -1094,6 +1095,10 @@ void ScummEngine::saveOrLoad(Serializer *s) {
 		memcpy(_darkenPalette, _currentPalette, 768);
 	}
 
+	// _colorUsedByCycle was not saved before V60
+	if (s->isLoading() && s->getVersion() < VER(60)) {
+		memset(_colorUsedByCycle, 0, sizeof(_colorUsedByCycle));
+	}
 
 	//
 	// Save/load more global object state
diff --git a/scumm/saveload.h b/scumm/saveload.h
index e499f501aa..15453a4043 100644
--- a/scumm/saveload.h
+++ b/scumm/saveload.h
@@ -45,7 +45,7 @@ namespace Scumm {
  * only saves/loads those which are valid for the version of the savegame
  * which is being loaded/saved currently.
  */
-#define CURRENT_VER 59
+#define CURRENT_VER 60
 
 /**
  * An auxillary macro, used to specify savegame versions. We use this instead
diff --git a/scumm/scumm.h b/scumm/scumm.h
index a24dc53dd6..219a47825a 100644
--- a/scumm/scumm.h
+++ b/scumm/scumm.h
@@ -916,6 +916,7 @@ public:
 
 protected:
 	ColorCycle _colorCycle[16];	// Palette cycles
+	uint8 _colorUsedByCycle[256];
 
 	uint32 _ENCD_offs, _EXCD_offs;
 	uint32 _CLUT_offs, _EPAL_offs;
-- 
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