DREAMWEB: Ported 'lockeddoorway'

4 files changed, 84 insertions, 126 deletions

diff --git a/engines/dreamweb/dreamgen.cpp b/engines/dreamweb/dreamgen.cpp
index 1aac7311d5..7ec64263da 100644
--- a/engines/dreamweb/dreamgen.cpp
+++ b/engines/dreamweb/dreamgen.cpp
@@ -2984,128 +2984,6 @@ void DreamGenContext::widedoor() {
 	dodoor();
 }
 
-void DreamGenContext::lockeddoorway() {
-	STACK_CHECK;
-	al = data.byte(kRyanx);
-	ah = data.byte(kRyany);
-	cl = es.byte(bx+10);
-	ch = es.byte(bx+11);
-	_cmp(al, cl);
-	if (!flags.c())
-		goto rtofdoor2;
-	_sub(al, cl);
-	_cmp(al, -24);
-	if (!flags.c())
-		goto upordown2;
-	goto shutdoor2;
-rtofdoor2:
-	_sub(al, cl);
-	_cmp(al, 10);
-	if (!flags.c())
-		goto shutdoor2;
-upordown2:
-	_cmp(ah, ch);
-	if (!flags.c())
-		goto botofdoor2;
-	_sub(ah, ch);
-	_cmp(ah, -30);
-	if (flags.c())
-		goto shutdoor2;
-	goto opendoor2;
-botofdoor2:
-	_sub(ah, ch);
-	_cmp(ah, 12);
-	if (!flags.c())
-		goto shutdoor2;
-opendoor2:
-	_cmp(data.byte(kThroughdoor), 1);
-	if (flags.z())
-		goto mustbeopen;
-	_cmp(data.byte(kLockstatus), 1);
-	if (flags.z())
-		goto shutdoor2;
-mustbeopen:
-	cl = es.byte(bx+19);
-	_cmp(cl, 1);
-	if (!flags.z())
-		goto notdoorsound4;
-	al = 0;
-	playchannel1();
-notdoorsound4:
-	_cmp(cl, 6);
-	if (!flags.z())
-		goto noturnonyet;
-	al = data.byte(kDoorpath);
-	push(es);
-	push(bx);
-	turnpathon();
-	bx = pop();
-	es = pop();
-noturnonyet:
-	cl = es.byte(bx+19);
-	_cmp(data.byte(kThroughdoor), 1);
-	if (!flags.z())
-		goto notthrough2;
-	_cmp(cl, 0);
-	if (!flags.z())
-		goto notthrough2;
-	cl = 6;
-notthrough2:
-	_inc(cl);
-	ch = 0;
-	push(di);
-	_add(di, cx);
-	al = ds.byte(di+18);
-	_cmp(al, 255);
-	if (!flags.z())
-		goto atlast3;
-	_dec(di);
-	_dec(cl);
-atlast3:
-	es.byte(bx+19) = cl;
-	al = ds.byte(di+18);
-	di = pop();
-	es.byte(bx+15) = al;
-	ds.byte(di+17) = al;
-	_cmp(cl, 5);
-	if (!flags.z())
-		return /* (justshutting) */;
-	data.byte(kThroughdoor) = 1;
-	return;
-shutdoor2:
-	cl = es.byte(bx+19);
-	_cmp(cl, 5);
-	if (!flags.z())
-		goto notdoorsound3;
-	al = 1;
-	playchannel1();
-notdoorsound3:
-	_cmp(cl, 0);
-	if (flags.z())
-		goto atlast4;
-	_dec(cl);
-	es.byte(bx+19) = cl;
-atlast4:
-	ch = 0;
-	data.byte(kThroughdoor) = 0;
-	push(di);
-	_add(di, cx);
-	al = ds.byte(di+18);
-	di = pop();
-	es.byte(bx+15) = al;
-	ds.byte(di+17) = al;
-	_cmp(cl, 0);
-	if (!flags.z())
-		return /* (notlocky) */;
-	al = data.byte(kDoorpath);
-	push(es);
-	push(bx);
-	turnpathoff();
-	bx = pop();
-	es = pop();
-	data.byte(kLockstatus) = 1;
-}
-
 void DreamGenContext::updatepeople() {
 	STACK_CHECK;
 	es = data.word(kBuffers);
@@ -21048,7 +20926,6 @@ void DreamGenContext::__dispatch_call(uint16 addr) {
 		case addr_constant: constant(); break;
 		case addr_doorway: doorway(); break;
 		case addr_widedoor: widedoor(); break;
-		case addr_lockeddoorway: lockeddoorway(); break;
 		case addr_updatepeople: updatepeople(); break;
 		case addr_getreelframeax: getreelframeax(); break;
 		case addr_reelsonscreen: reelsonscreen(); break;
diff --git a/engines/dreamweb/dreamgen.h b/engines/dreamweb/dreamgen.h
index c2aa204942..037fd2ad2a 100644
--- a/engines/dreamweb/dreamgen.h
+++ b/engines/dreamweb/dreamgen.h
@@ -657,7 +657,6 @@ public:
 	static const uint16 addr_reelsonscreen = 0xc1a0;
 	static const uint16 addr_getreelframeax = 0xc19c;
 	static const uint16 addr_updatepeople = 0xc198;
-	static const uint16 addr_lockeddoorway = 0xc194;
 	static const uint16 addr_widedoor = 0xc18c;
 	static const uint16 addr_doorway = 0xc188;
 	static const uint16 addr_constant = 0xc184;
@@ -1338,7 +1337,7 @@ public:
 	void clearbuffers();
 	void neterror();
 	void storeit();
-	void lockeddoorway();
+	//void lockeddoorway();
 	void isitworn();
 	//void putundertimed();
 	void dumpmap();
diff --git a/engines/dreamweb/stubs.cpp b/engines/dreamweb/stubs.cpp
index 28c52e17d5..dff3756745 100644
--- a/engines/dreamweb/stubs.cpp
+++ b/engines/dreamweb/stubs.cpp
@@ -1273,7 +1273,7 @@ void DreamGenContext::backobject(Sprite *sprite) {
 	else if (objData->type == 5)
 		random(sprite, objData);
 	else if (objData->type == 4)
-		lockeddoorway();
+		lockeddoorway(sprite, objData);
 	else if (objData->type == 3)
 		liftsprite(sprite, objData);
 	else if (objData->type == 2)
@@ -1402,6 +1402,86 @@ void DreamGenContext::turnpathoffCPP(uint8 param) {
 	es = pop();
 }
 
+void DreamGenContext::lockeddoorway() {
+	Sprite *sprite = (Sprite *)es.ptr(bx, sizeof(Sprite));
+	ObjData *objData = (ObjData *)ds.ptr(di, 0);
+	lockeddoorway(sprite, objData);
+}
+
+void DreamGenContext::lockeddoorway(Sprite *sprite, ObjData *objData) {
+	if (data.byte(kRyanx) < sprite->x) {
+		if (sprite->x - data.byte(kRyanx) > 24)
+			goto shutdoor2;
+	} else {
+		if (data.byte(kRyanx) - sprite->x >= 10)
+			goto shutdoor2;
+	}
+
+	if (data.byte(kRyany) < sprite->y) {
+		if (sprite->y - data.byte(kRyany) > 30)
+			goto shutdoor2;
+	} else {
+		if (data.byte(kRyany) - sprite->y >= 12)
+			goto shutdoor2;
+	}
+
+	if (data.byte(kThroughdoor) != 1) {
+		if (data.byte(kLockstatus) == 1)
+			goto shutdoor2;
+	}
+
+	if (sprite->frame == 1) {
+		al = 0;
+		playchannel1();
+	}
+
+	if (sprite->frame == 6) {
+		al = data.byte(kDoorpath);
+		push(es);
+		push(bx);
+		turnpathon();
+		bx = pop();
+		es = pop();
+	}
+
+	if ((data.byte(kThroughdoor) == 1) && (sprite->frame == 0)) {
+		sprite->frame = 6;
+	}
+
+	++sprite->frame;
+	if (objData->b18[sprite->frame] == 255) {
+		--sprite->frame;
+	}
+
+	sprite->b15 = objData->b17 = objData->b18[sprite->frame];
+	if (sprite->frame == 5)
+		data.byte(kThroughdoor) = 1;
+	return;
+
+shutdoor2:
+	if (sprite->frame == 5) {
+		al = 1;
+		playchannel1();
+	}
+
+	if (sprite->frame != 0) {
+		--sprite->frame;
+	}
+
+	data.byte(kThroughdoor) = 0;
+	sprite->b15 = objData->b17 = objData->b18[sprite->frame];
+
+	if (sprite->frame == 0) {
+		al = data.byte(kDoorpath);
+		push(es);
+		push(bx);
+		turnpathoff();
+		bx = pop();
+		es = pop();
+		data.byte(kLockstatus) = 1;
+	}
+}
+
 void DreamGenContext::liftsprite() {
 	Sprite *sprite = (Sprite *)es.ptr(bx, sizeof(Sprite));
 	ObjData *objData = (ObjData *)ds.ptr(di, 0);
diff --git a/engines/dreamweb/stubs.h b/engines/dreamweb/stubs.h
index 20d987d374..f173a84b83 100644
--- a/engines/dreamweb/stubs.h
+++ b/engines/dreamweb/stubs.h
@@ -80,6 +80,8 @@
 	void dodoor(Sprite *sprite, ObjData *objData);
 	void doorway(Sprite *sprite, ObjData *objData);
 	void widedoor(Sprite *sprite, ObjData *objData);
+	void lockeddoorway();
+	void lockeddoorway(Sprite *sprite, ObjData *objData);
 	void liftsprite();
 	void liftsprite(Sprite *sprite, ObjData *objData);
 	void turnpathonCPP(uint8 param);