DREAMWEB: Port 'usepipe' to C++

devtools/tasmrecover/tasm-recover

@@ -802,6 +802,7 @@ generator = cpp(context, "DreamGen", blacklist = [
 	'usemenu',
 	'usemon',
 	'useobject',
+	'usepipe',
 	'useplate',
 	'useplinth',
 	'usepoolreader',

engines/dreamweb/dreamgen.cpp

@@ -3590,53 +3590,6 @@ void DreamGenContext::notHeldError() {
 	putBackObStuff();
 }
 
-void DreamGenContext::usePipe() {
-	STACK_CHECK;
-	_cmp(data.byte(kWithobject), 255);
-	if (!flags.z())
-		goto pipewith;
-	withWhat();
-	return;
-pipewith:
-	al = data.byte(kWithobject);
-	ah = data.byte(kWithtype);
-	cl = 'C';
-	ch = 'U';
-	dl = 'P';
-	dh = 'E';
-	compare();
-	if (flags.z())
-		goto fillcup;
-	al = data.byte(kWithobject);
-	ah = data.byte(kWithtype);
-	cl = 'C';
-	ch = 'U';
-	dl = 'P';
-	dh = 'F';
-	compare();
-	if (flags.z())
-		goto alreadyfull;
-	cx = 300;
-	al = 14;
-	showPuzText();
-	putBackObStuff();
-	return;
-fillcup:
-	cx = 300;
-	al = 36;
-	showPuzText();
-	putBackObStuff();
-	al = data.byte(kWithobject);
-	getExAd();
-	es.byte(bx+15) = 'F'-'A';
-	return;
-alreadyfull:
-	cx = 300;
-	al = 35;
-	showPuzText();
-	putBackObStuff();
-}
-
 void DreamGenContext::useOpenBox() {
 	STACK_CHECK;
 	_cmp(data.byte(kWithobject), 255);

engines/dreamweb/dreamgen.h

@@ -511,7 +511,6 @@ public:
 	void useAltar();
 	void startTalk();
 	void getAnyAd();
-	void usePipe();
 	void reminders();
 	void runTap();
 	void dumpDiaryKeys();

engines/dreamweb/stubs.h

@@ -332,6 +332,7 @@
 	void useHatch();
 	void useLighter();
 	void useSLab();
+	void usePipe();
 	void wheelSound();
 	void callHotelLift();
 	void useShield();

engines/dreamweb/use.cpp

@@ -1314,4 +1314,31 @@ void DreamGenContext::useSLab() {
 	data.byte(kGetback) = 1;
 }
 
+void DreamGenContext::usePipe() {
+	if (data.byte(kWithobject) == 255) {
+		withWhat();
+		return;
+	}
+
+	char cupEmpty[4] = { 'C', 'U', 'P', 'E' };	// TODO: convert to string with trailing zero
+	char  cupFull[4] = { 'C', 'U', 'P', 'F' };	// TODO: convert to string with trailing zero
+
+	if (compare(data.byte(kWithobject), data.byte(kWithtype), cupEmpty)) {
+		// Fill cup
+		showPuzText(36, 300);
+		putBackObStuff();
+		DynObject *exObject = getExAd(data.byte(kWithobject));
+		exObject->id[3] = 'F'-'A';	// CUPE (empty cup) -> CUPF (full cup)
+		return;
+	} else if (compare(data.byte(kWithobject), data.byte(kWithtype), cupFull)) {
+		// Already full
+		showPuzText(14, 300);
+		showPuzText();
+		putBackObStuff();
+	} else {
+		showPuzText(35, 300);
+		putBackObStuff();
+	}
+}
+
 } // End of namespace DreamGen