From 2eceab1fded6ed744836ba7d9429d9fdb2976a69 Mon Sep 17 00:00:00 2001
From: Bertrand Augereau
Date: Wed, 16 Nov 2011 13:03:39 +0100
Subject: DREAMWEB: 'clearstartpal' ported to C++

---
 engines/dreamweb/dreamgen.cpp | 15 ---------------
 engines/dreamweb/dreamgen.h   |  3 +--
 engines/dreamweb/module.mk    |  1 +
 engines/dreamweb/stubs.h      |  2 ++
 engines/dreamweb/vgafades.cpp | 33 +++++++++++++++++++++++++++++++++
 5 files changed, 37 insertions(+), 17 deletions(-)
 create mode 100644 engines/dreamweb/vgafades.cpp

(limited to 'engines')

diff --git a/engines/dreamweb/dreamgen.cpp b/engines/dreamweb/dreamgen.cpp
index 73ed6f121d..599ef90d6d 100644
--- a/engines/dreamweb/dreamgen.cpp
+++ b/engines/dreamweb/dreamgen.cpp
@@ -2690,20 +2690,6 @@ void DreamGenContext::fadescreendowns() {
 	data.byte(kNumtofade) = 64;
 }
 
-void DreamGenContext::clearstartpal() {
-	STACK_CHECK;
-	es = data.word(kBuffers);
-	di = (0+(228*13)+32+60+(32*32)+(11*10*3));
-	cx = 256;
-wholeloop1:
-	ax = 0;
-	_stosw();
-	al = 0;
-	_stosb();
-	if (--cx)
-		goto wholeloop1;
-}
-
 void DreamGenContext::showgun() {
 	STACK_CHECK;
 	data.byte(kAddtored) = 0;
@@ -16240,7 +16226,6 @@ void DreamGenContext::__dispatch_call(uint16 addr) {
 		case addr_fadescreenuphalf: fadescreenuphalf(); break;
 		case addr_fadescreendown: fadescreendown(); break;
 		case addr_fadescreendowns: fadescreendowns(); break;
-		case addr_clearstartpal: clearstartpal(); break;
 		case addr_showgun: showgun(); break;
 		case addr_rollendcredits2: rollendcredits2(); break;
 		case addr_rollem: rollem(); break;
diff --git a/engines/dreamweb/dreamgen.h b/engines/dreamweb/dreamgen.h
index 20ef2f9818..f9e45b7394 100644
--- a/engines/dreamweb/dreamgen.h
+++ b/engines/dreamweb/dreamgen.h
@@ -510,7 +510,6 @@ public:
 	static const uint16 addr_rollem = 0xc284;
 	static const uint16 addr_rollendcredits2 = 0xc280;
 	static const uint16 addr_showgun = 0xc27c;
-	static const uint16 addr_clearstartpal = 0xc278;
 	static const uint16 addr_fadescreendowns = 0xc274;
 	static const uint16 addr_fadescreendown = 0xc270;
 	static const uint16 addr_fadescreenuphalf = 0xc26c;
@@ -1229,7 +1228,7 @@ public:
 	void usewire();
 	void getnamepos();
 	void loadtemptext();
-	void clearstartpal();
+	//void clearstartpal();
 	void femalefan();
 	//void showgamereel();
 	void identifyob();
diff --git a/engines/dreamweb/module.mk b/engines/dreamweb/module.mk
index d38d4db0db..d617507c85 100644
--- a/engines/dreamweb/module.mk
+++ b/engines/dreamweb/module.mk
@@ -14,6 +14,7 @@ MODULE_OBJS := \
 	stubs.o \
 	talk.o \
 	use.o \
+	vgafades.o \
 	vgagrafx.o
 
 # This module can be built as a plugin
diff --git a/engines/dreamweb/stubs.h b/engines/dreamweb/stubs.h
index da21d415f5..9d548f5926 100644
--- a/engines/dreamweb/stubs.h
+++ b/engines/dreamweb/stubs.h
@@ -255,4 +255,6 @@
 	void transfertext();
 	void initrain();
 	Rain *splitintolines(uint8 x, uint8 y, Rain *rain);
+	void clearstartpal();
+
 
diff --git a/engines/dreamweb/vgafades.cpp b/engines/dreamweb/vgafades.cpp
new file mode 100644
index 0000000000..5fffd9c333
--- /dev/null
+++ b/engines/dreamweb/vgafades.cpp
@@ -0,0 +1,33 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "dreamweb/dreamweb.h"
+
+namespace DreamGen {
+
+void DreamGenContext::clearstartpal() {
+	uint8 *startPalette = segRef(data.word(kBuffers)).ptr(kStartpal, 256*3);
+	memset(startPalette, 0, 256*3);
+}
+
+} /*namespace dreamgen */
+
-- 
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