DREAMWEB: Convert resetLocation and purgeALocation to C++

6 files changed, 41 insertions, 92 deletions

diff --git a/engines/dreamweb/dreambase.h b/engines/dreamweb/dreambase.h
index 01772bb2ff..5acdca0ac9 100644
--- a/engines/dreamweb/dreambase.h
+++ b/engines/dreamweb/dreambase.h
@@ -143,6 +143,7 @@ public:
 	void showArrows();
 	uint8 getLocation(uint8 index);
 	void setLocation(uint8 index);
+	void resetLocation(uint8 index);
 
 	// from object.cpp
 	void obIcons();
@@ -154,6 +155,7 @@ public:
 	void deleteExObject(uint8 index);
 	void deleteExFrame(uint8 frameNum);
 	void deleteExText(uint8 textNum);
+	void purgeALocation(uint8 index);
 
 	// from pathfind.cpp
 	void turnPathOn(uint8 param);
diff --git a/engines/dreamweb/dreamgen.cpp b/engines/dreamweb/dreamgen.cpp
index c2d8530b25..e23a0a7983 100644
--- a/engines/dreamweb/dreamgen.cpp
+++ b/engines/dreamweb/dreamgen.cpp
@@ -1130,37 +1130,6 @@ void DreamGenContext::transferConToEx() {
 	ds.byte(si+2) = 255;
 }
 
-void DreamGenContext::purgeALocation() {
-	STACK_CHECK;
-	push(ax);
-	es = data.word(kExtras);
-	di = (0+2080+30000);
-	bx = pop();
-	cx = 0;
-purgeloc:
-	_cmp(bl, es.byte(di+0));
-	if (!flags.z())
-		goto dontpurge;
-	_cmp(es.byte(di+2), 0);
-	if (!flags.z())
-		goto dontpurge;
-	push(di);
-	push(es);
-	push(bx);
-	push(cx);
-	deleteExObject();
-	cx = pop();
-	bx = pop();
-	es = pop();
-	di = pop();
-dontpurge:
-	_add(di, 16);
-	_inc(cx);
-	_cmp(cx, (114));
-	if (!flags.z())
-		goto purgeloc;
-}
-
 void DreamGenContext::emergencyPurge() {
 	STACK_CHECK;
 checkpurgeagain:
@@ -1491,57 +1460,6 @@ void DreamGenContext::getDestInfo() {
 	ax = pop();
 }
 
-void DreamGenContext::resetLocation() {
-	STACK_CHECK;
-	push(ax);
-	_cmp(al, 5);
-	if (!flags.z())
-		goto notdelhotel;
-	purgeALocation();
-	al = 21;
-	purgeALocation();
-	al = 22;
-	purgeALocation();
-	al = 27;
-	purgeALocation();
-	goto clearedlocations;
-notdelhotel:
-	_cmp(al, 8);
-	if (!flags.z())
-		goto notdeltvstud;
-	purgeALocation();
-	al = 28;
-	purgeALocation();
-	goto clearedlocations;
-notdeltvstud:
-	_cmp(al, 6);
-	if (!flags.z())
-		goto notdelsarters;
-	purgeALocation();
-	al = 20;
-	purgeALocation();
-	al = 25;
-	purgeALocation();
-	goto clearedlocations;
-notdelsarters:
-	_cmp(al, 13);
-	if (!flags.z())
-		goto notdelboathouse;
-	purgeALocation();
-	al = 29;
-	purgeALocation();
-	goto clearedlocations;
-notdelboathouse:
-clearedlocations:
-	ax = pop();
-	ah = 0;
-	bx = ax;
-	dx = data;
-	es = dx;
-	_add(bx, 555);
-	es.byte(bx) = 0;
-}
-
 void DreamGenContext::dirCom() {
 	STACK_CHECK;
 	cx = 30;
diff --git a/engines/dreamweb/dreamgen.h b/engines/dreamweb/dreamgen.h
index 92b75a287a..de710a20d1 100644
--- a/engines/dreamweb/dreamgen.h
+++ b/engines/dreamweb/dreamgen.h
@@ -469,7 +469,6 @@ public:
 	void getObTextStart();
 	void checkObjectSize();
 	void doSomeTalk();
-	void resetLocation();
 	void outOfOpen();
 	void dirCom();
 	void findFirstPath();
@@ -481,7 +480,6 @@ public:
 	void reExFromInv();
 	void transferMap();
 	void purgeAnItem();
-	void purgeALocation();
 	void getSetAd();
 	void findOpenPos();
 	void searchForSame();
diff --git a/engines/dreamweb/object.cpp b/engines/dreamweb/object.cpp
index 8553f41ee8..6aa1364002 100644
--- a/engines/dreamweb/object.cpp
+++ b/engines/dreamweb/object.cpp
@@ -631,4 +631,39 @@ void DreamGenContext::outOfInv() {
 	delPointer();
 }
 
+void DreamBase::resetLocation(uint8 index) {
+	if (index == 5) {
+		// delete hotel
+		purgeALocation(5);
+		purgeALocation(21);
+		purgeALocation(22);
+		purgeALocation(27);
+	} else if (index == 8) {
+		// delete TV studio
+		purgeALocation(8);
+		purgeALocation(28);
+	} else if (index == 6) {
+		// delete sarters
+		purgeALocation(6);
+		purgeALocation(20);
+		purgeALocation(25);
+	} else if (index == 13) {
+		// delete boathouse
+		purgeALocation(13);
+		purgeALocation(29);
+	}
+
+	data.byte(kRoomscango + index) = 0;
+}
+
+void DreamBase::purgeALocation(uint8 index) {
+	// index == al
+	for (uint8 i = 0; i < kNumexobjects; ++i) {
+		DynObject *t = getExAd(i);
+		if (t->currentLocation == index && t->mapad[0] == 0) {
+			deleteExObject(i);
+		}
+	}
+}
+
 } // End of namespace DreamGen
diff --git a/engines/dreamweb/stubs.cpp b/engines/dreamweb/stubs.cpp
index 137fad4526..894c247e5b 100644
--- a/engines/dreamweb/stubs.cpp
+++ b/engines/dreamweb/stubs.cpp
@@ -3901,8 +3901,7 @@ void DreamGenContext::useButtonA() {
 void DreamGenContext::autoAppear() {
 	if (data.byte(kLocation) == 32) {
 		// In alley
-		al = 5;
-		resetLocation();
+		resetLocation(5);
 		setLocation(10);
 		data.byte(kDestpos) = 10;
 		return;
@@ -3932,8 +3931,7 @@ void DreamGenContext::autoAppear() {
 		if (data.byte(kReallocation) == 25) {
 			// Sart roof
 			data.byte(kNewsitem) = 3;
-			al = 6;
-			resetLocation();
+			resetLocation(6);
 			setLocation(11);
 			data.byte(kDestpos) = 11;
 		} else {
@@ -4013,8 +4011,7 @@ void DreamGenContext::entryAnims() {
 		data.byte(kSpeedcount) = 1;
 		break;
 	case 44:	// Sparky's
-		al = 8;
-		resetLocation();
+		resetLocation(8);
 		data.word(kWatchingtime) = 50*2;
 		data.word(kReeltowatch) = 247;
 		data.word(kEndwatchreel) = 297;
diff --git a/engines/dreamweb/use.cpp b/engines/dreamweb/use.cpp
index f6406dc773..d3dda0e0a0 100644
--- a/engines/dreamweb/use.cpp
+++ b/engines/dreamweb/use.cpp
@@ -823,8 +823,7 @@ void DreamGenContext::useGun() {
 	} else if (data.byte(kReallocation) == 29) {
 		// aide
 		data.byte(kGetback) = 1;
-		al = 13;
-		resetLocation();
+		resetLocation(13);
 		setLocation(12);
 		data.byte(kDestpos) = 12;
 		data.byte(kDestination) = 2;