From 65e2494265f1252bcd1fa4a7f80402ab6bf8ae7b Mon Sep 17 00:00:00 2001
From: Bertrand Augereau
Date: Sat, 3 Sep 2011 11:02:03 +0200
Subject: DREAMWEB: 'turnpathon' et 'turnpathoff' ported to C++

---
 engines/dreamweb/dreamgen.cpp | 48 -------------------------------------------
 engines/dreamweb/dreamgen.h   |  8 +++-----
 engines/dreamweb/pathfind.cpp | 34 +++++++++++++++++-------------
 engines/dreamweb/sprite.cpp   |  8 ++++----
 engines/dreamweb/stubs.h      |  6 ++++--
 5 files changed, 31 insertions(+), 73 deletions(-)

(limited to 'engines')

diff --git a/engines/dreamweb/dreamgen.cpp b/engines/dreamweb/dreamgen.cpp
index 9c584bea90..9bd4f0ee63 100644
--- a/engines/dreamweb/dreamgen.cpp
+++ b/engines/dreamweb/dreamgen.cpp
@@ -14946,52 +14946,6 @@ gotfirst:
 	al = es.byte(bx+6);
 }
 
-void DreamGenContext::turnpathon() {
-	STACK_CHECK;
-	push(ax);
-	push(ax);
-	cl = 255;
-	ch = data.byte(kRoomnum);
-	_add(ch, 100);
-	findormake();
-	ax = pop();
-	getroomspaths();
-	ax = pop();
-	_cmp(al, 255);
-	if (flags.z())
-		return /* (nopathon) */;
-	ah = 0;
-	_add(ax, ax);
-	_add(ax, ax);
-	_add(ax, ax);
-	_add(bx, ax);
-	al = 255;
-	es.byte(bx+6) = al;
-}
-
-void DreamGenContext::turnpathoff() {
-	STACK_CHECK;
-	push(ax);
-	push(ax);
-	cl = 0;
-	ch = data.byte(kRoomnum);
-	_add(ch, 100);
-	findormake();
-	ax = pop();
-	getroomspaths();
-	ax = pop();
-	_cmp(al, 255);
-	if (flags.z())
-		return /* (nopathoff) */;
-	ah = 0;
-	_add(ax, ax);
-	_add(ax, ax);
-	_add(ax, ax);
-	_add(bx, ax);
-	al = 0;
-	es.byte(bx+6) = al;
-}
-
 void DreamGenContext::turnanypathon() {
 	STACK_CHECK;
 	push(ax);
@@ -18016,8 +17970,6 @@ void DreamGenContext::__dispatch_call(uint16 addr) {
 		case addr_isitdescribed: isitdescribed(); break;
 		case addr_findpathofpoint: findpathofpoint(); break;
 		case addr_findfirstpath: findfirstpath(); break;
-		case addr_turnpathon: turnpathon(); break;
-		case addr_turnpathoff: turnpathoff(); break;
 		case addr_turnanypathon: turnanypathon(); break;
 		case addr_turnanypathoff: turnanypathoff(); break;
 		case addr_checkifpathison: checkifpathison(); break;
diff --git a/engines/dreamweb/dreamgen.h b/engines/dreamweb/dreamgen.h
index 2b8174cc79..6291994bb2 100644
--- a/engines/dreamweb/dreamgen.h
+++ b/engines/dreamweb/dreamgen.h
@@ -113,8 +113,6 @@ public:
 	static const uint16 addr_checkifpathison = 0xca04;
 	static const uint16 addr_turnanypathoff = 0xca00;
 	static const uint16 addr_turnanypathon = 0xc9fc;
-	static const uint16 addr_turnpathoff = 0xc9f8;
-	static const uint16 addr_turnpathon = 0xc9f4;
 	static const uint16 addr_findfirstpath = 0xc9f0;
 	static const uint16 addr_findpathofpoint = 0xc9ec;
 	static const uint16 addr_isitdescribed = 0xc9e8;
@@ -1275,7 +1273,6 @@ public:
 	void uselighter();
 	void showmenu();
 	void usepoolreader();
-	void showgroup();
 	void startdmablock();
 	void useopenbox();
 	void clearbuffers();
@@ -1648,7 +1645,7 @@ public:
 	void purgeanitem();
 	void madman();
 	void createpanel();
-	void turnpathon();
+	//void turnpathon();
 	void enablesoundint();
 	void madmanstelly();
 	void constant();
@@ -1766,6 +1763,7 @@ public:
 	void drawitall();
 	void usestereo();
 	void showcurrentfile();
+	//void turnpathoff();
 	//void copyname();
 	void look();
 	void setmouse();
@@ -1942,7 +1940,7 @@ public:
 	void usecontrol();
 	void buttonseven();
 	void redrawmainscrn();
-	void turnpathoff();
+	void showgroup();
 	void findallryan();
 	//void channel0tran();
 	void buttonpress();
diff --git a/engines/dreamweb/pathfind.cpp b/engines/dreamweb/pathfind.cpp
index 2579105c6f..4b1d590bec 100644
--- a/engines/dreamweb/pathfind.cpp
+++ b/engines/dreamweb/pathfind.cpp
@@ -27,22 +27,28 @@
 
 namespace DreamGen {
 
-void DreamGenContext::turnpathonCPP(uint8 param) {
-	al = param;
-	push(es);
-	push(bx);
-	turnpathon();
-	bx = pop();
-	es = pop();
+void DreamGenContext::turnpathon() {
+	turnpathon(al);
 }
 
-void DreamGenContext::turnpathoffCPP(uint8 param) {
-	al = param;
-	push(es);
-	push(bx);
-	turnpathoff();
-	bx = pop();
-	es = pop();
+void DreamGenContext::turnpathon(uint8 param) {
+	findormake(param, 0xff, data.byte(kRoomnum) + 100);
+	uint8 *roomsPaths = getroomspathsCPP();
+	if (param == 0xff)
+		return;
+	roomsPaths[8 * param + 6] = 0xff;
+}
+
+void DreamGenContext::turnpathoff() {
+	turnpathoff(al);
+}
+
+void DreamGenContext::turnpathoff(uint8 param) {
+	findormake(param, 0x00, data.byte(kRoomnum) + 100);
+	uint8 *roomsPaths = getroomspathsCPP();
+	if (param == 0xff)
+		return;
+	roomsPaths[8 * param + 6] = 0x00;
 }
 
 void DreamGenContext::getroomspaths() {
diff --git a/engines/dreamweb/sprite.cpp b/engines/dreamweb/sprite.cpp
index 7b41bbddab..13db909dbe 100644
--- a/engines/dreamweb/sprite.cpp
+++ b/engines/dreamweb/sprite.cpp
@@ -414,7 +414,7 @@ void DreamGenContext::lockeddoorway(Sprite *sprite, SetObject *objData) {
 	}
 
 	if (sprite->frame == 6) {
-		turnpathonCPP(data.byte(kDoorpath));
+		turnpathon(data.byte(kDoorpath));
 	}
 
 	if ((data.byte(kThroughdoor) == 1) && (sprite->frame == 0)) {
@@ -445,7 +445,7 @@ shutdoor2:
 	sprite->b15 = objData->index = objData->b18[sprite->frame];
 
 	if (sprite->frame == 0) {
-		turnpathoffCPP(data.byte(kDoorpath));
+		turnpathoff(data.byte(kDoorpath));
 		data.byte(kLockstatus) = 1;
 	}
 }
@@ -453,7 +453,7 @@ shutdoor2:
 void DreamGenContext::liftsprite(Sprite *sprite, SetObject *objData) {
 	uint8 liftFlag = data.byte(kLiftflag);
 	if (liftFlag == 0) { //liftclosed
-		turnpathoffCPP(data.byte(kLiftpath));
+		turnpathoff(data.byte(kLiftpath));
 
 		if (data.byte(kCounttoopen) != 0) {
 			_dec(data.byte(kCounttoopen));
@@ -464,7 +464,7 @@ void DreamGenContext::liftsprite(Sprite *sprite, SetObject *objData) {
 		sprite->b15 = objData->index = objData->b18[sprite->frame];
 	}
 	else if (liftFlag == 1) {  //liftopen
-		turnpathonCPP(data.byte(kLiftpath));
+		turnpathon(data.byte(kLiftpath));
 
 		if (data.byte(kCounttoclose) != 0) {
 			_dec(data.byte(kCounttoclose));
diff --git a/engines/dreamweb/stubs.h b/engines/dreamweb/stubs.h
index d085fb880b..57016a4f67 100644
--- a/engines/dreamweb/stubs.h
+++ b/engines/dreamweb/stubs.h
@@ -103,8 +103,10 @@
 	void showreelframe();
 	void showreelframe(Reel *reel);
 	const Frame *getreelframeax(uint16 frame);
-	void turnpathonCPP(uint8 param);
-	void turnpathoffCPP(uint8 param);
+	void turnpathon(uint8 param);
+	void turnpathoff(uint8 param);
+	void turnpathon();
+	void turnpathoff();
 	void getroomspaths();
 	uint8 *getroomspathsCPP();
 	void makebackob(SetObject *objData);
-- 
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