From eaa342fdd88227e71ee95551a064f95df3eb0dd6 Mon Sep 17 00:00:00 2001
From: Bertrand Augereau
Date: Fri, 19 Aug 2011 11:42:13 +0200
Subject: DREAMWEB: 'setallchanges' ported to C++

---
 engines/dreamweb/dreamgen.cpp | 23 -----------------------
 engines/dreamweb/dreamgen.h   |  3 +--
 engines/dreamweb/stubs.cpp    | 14 ++++++++++++++
 engines/dreamweb/stubs.h      |  1 +
 4 files changed, 16 insertions(+), 25 deletions(-)

(limited to 'engines')

diff --git a/engines/dreamweb/dreamgen.cpp b/engines/dreamweb/dreamgen.cpp
index 789a016f6b..541a938c19 100644
--- a/engines/dreamweb/dreamgen.cpp
+++ b/engines/dreamweb/dreamgen.cpp
@@ -11338,28 +11338,6 @@ void DreamGenContext::switchryanoff() {
 	data.byte(kRyanon) = 1;
 }
 
-void DreamGenContext::setallchanges() {
-	STACK_CHECK;
-	es = data.word(kBuffers);
-	bx = (0+(228*13)+32+60+(32*32)+(11*10*3)+768+768+768+(32*32)+(128*5)+(80*5)+(100*5)+(12*5)+(46*40)+(5*80));
-setallloop:
-	ax = es.word(bx);
-	_cmp(al, 255);
-	if (flags.z())
-		return /* (endsetloop) */;
-	cx = es.word(bx+2);
-	_add(bx, 4);
-	_cmp(ah, data.byte(kReallocation));
-	if (!flags.z())
-		goto setallloop;
-	push(es);
-	push(bx);
-	dochange();
-	bx = pop();
-	es = pop();
-	goto setallloop;
-}
-
 void DreamGenContext::dochange() {
 	STACK_CHECK;
 	_cmp(ch, 0);
@@ -18692,7 +18670,6 @@ void DreamGenContext::__dispatch_call(uint16 addr) {
 		case addr_removefreeobject: removefreeobject(); break;
 		case addr_switchryanon: switchryanon(); break;
 		case addr_switchryanoff: switchryanoff(); break;
-		case addr_setallchanges: setallchanges(); break;
 		case addr_dochange: dochange(); break;
 		case addr_autoappear: autoappear(); break;
 		case addr_setuptimeduse: setuptimeduse(); break;
diff --git a/engines/dreamweb/dreamgen.h b/engines/dreamweb/dreamgen.h
index 9496c50607..8f14cbddfb 100644
--- a/engines/dreamweb/dreamgen.h
+++ b/engines/dreamweb/dreamgen.h
@@ -304,7 +304,6 @@ public:
 	static const uint16 addr_setuptimeduse = 0xc71c;
 	static const uint16 addr_autoappear = 0xc70c;
 	static const uint16 addr_dochange = 0xc708;
-	static const uint16 addr_setallchanges = 0xc704;
 	static const uint16 addr_switchryanoff = 0xc700;
 	static const uint16 addr_switchryanon = 0xc6fc;
 	static const uint16 addr_removefreeobject = 0xc6f4;
@@ -2023,7 +2022,7 @@ public:
 	void openhoteldoor2();
 	void getridoftempsp();
 	void scanfornames();
-	void setallchanges();
+	//void setallchanges();
 	void readsetdata();
 	//void printboth();
 	void standardload();
diff --git a/engines/dreamweb/stubs.cpp b/engines/dreamweb/stubs.cpp
index 76f6de4d7c..0adb11e3a1 100644
--- a/engines/dreamweb/stubs.cpp
+++ b/engines/dreamweb/stubs.cpp
@@ -1066,6 +1066,20 @@ void DreamGenContext::findormake(uint8 b0, uint8 b2, uint8 b3) {
 	}
 }
 
+void DreamGenContext::setallchanges() {
+	Change *change = (Change *)segRef(data.word(kBuffers)).ptr(kListofchanges, sizeof(Change));
+	while (change->b0 != 0xff) {
+		if (change->location == data.byte(kReallocation)) {
+			al = change->b0;
+			ah = change->location;
+			cl = change->b2;
+			ch = change->b3;
+			dochange();
+		}
+		++change;
+	}
+}
+
 bool DreamGenContext::isCD() {
 	// The original sources has two codepaths depending if the game is 'if cd' or not
 	// This is a hack to guess which version to use with the assumption that if we have a cd version
diff --git a/engines/dreamweb/stubs.h b/engines/dreamweb/stubs.h
index dd5b6399e7..53d6458fb4 100644
--- a/engines/dreamweb/stubs.h
+++ b/engines/dreamweb/stubs.h
@@ -151,5 +151,6 @@
 	void findxyfrompath();
 	void findormake();
 	void findormake(uint8 b0, uint8 b2, uint8 b3);
+	void setallchanges();
 	bool isCD();
 
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