DREAMWEB: Convert rollEndCredits/rollEndCredits2 to C++

devtools/tasmrecover/tasm-recover

@@ -625,6 +625,8 @@ generator = cpp(context, "DreamGen", blacklist = [
 	'restoreems',
 	'restorereels',
 	'rockstar',
+	'rollendcredits',
+	'rollendcredits2',
 	'roomname',
 	'runintroseq',
 	'saveems',

engines/dreamweb/dreambase.h

@@ -114,6 +114,7 @@ public:
 	void showReelFrame(Reel *reel);
 	const Frame *getReelFrameAX(uint16 frame);
 	void soundOnReels(uint16 reelPointer);
+	void rollEndCredits();
 
 	// from stubs.cpp
 	void crosshair();
@@ -148,6 +149,7 @@ public:
 	void panelIcons1();
 	SetObject *getSetAd(uint8 index);
 	void *getAnyAd(uint8 *value1, uint8 *value2);
+	const uint8 *getTextInFile1(uint16 index);
 
 	// from use.cpp
 	void placeFreeObject(uint8 index);

engines/dreamweb/dreamgen.cpp

@@ -546,99 +546,6 @@ notendseq:
 	rollEndCredits();
 }
 
-void DreamGenContext::rollEndCredits() {
-	STACK_CHECK;
-	al = 16;
-	ah = 255;
-	playChannel0();
-	data.byte(kVolume) = 7;
-	data.byte(kVolumeto) = 0;
-	data.byte(kVolumedirection) = -1;
-	cl = 160;
-	ch = 160;
-	di = 75;
-	bx = 20;
-	ds = data.word(kMapstore);
-	si = 0;
-	multiGet();
-	es = data.word(kTextfile1);
-	si = 3*2;
-	ax = es.word(si);
-	si = ax;
-	_add(si, (66*2));
-	cx = 254;
-endcredits1:
-	push(cx);
-	bx = 10;
-	cx = data.word(kLinespacing);
-endcredits2:
-	push(cx);
-	push(si);
-	push(di);
-	push(es);
-	push(bx);
-	vSync();
-	cl = 160;
-	ch = 160;
-	di = 75;
-	bx = 20;
-	ds = data.word(kMapstore);
-	si = 0;
-	multiPut();
-	vSync();
-	bx = pop();
-	es = pop();
-	di = pop();
-	si = pop();
-	push(si);
-	push(di);
-	push(es);
-	push(bx);
-	cx = 18;
-onelot:
-	push(cx);
-	di = 75;
-	dx = 161;
-	ax = 0;
-	printDirect();
-	_add(bx, data.word(kLinespacing));
-	cx = pop();
-	if (--cx)
-		goto onelot;
-	vSync();
-	cl = 160;
-	ch = 160;
-	di = 75;
-	bx = 20;
-	multiDump();
-	bx = pop();
-	es = pop();
-	di = pop();
-	si = pop();
-	cx = pop();
-	_dec(bx);
-	if (--cx)
-		goto endcredits2;
-	cx = pop();
-looknext:
-	al = es.byte(si);
-	_inc(si);
-	_cmp(al, ':');
-	if (flags.z())
-		goto gotnext;
-	_cmp(al, 0);
-	if (flags.z())
-		goto gotnext;
-	goto looknext;
-gotnext:
-	if (--cx)
-		goto endcredits1;
-	cx = 100;
-	hangOn();
-	panelToMap();
-	fadeScreenUpHalf();
-}
-
 void DreamGenContext::checkForExit() {
 	STACK_CHECK;
 	cl = data.byte(kRyanx);
@@ -928,11 +835,6 @@ halfend:
 	data.byte(kNumtofade) = 32;
 }
 
-void DreamGenContext::rollEndCredits2() {
-	STACK_CHECK;
-	rollEm();
-}
-
 void DreamGenContext::rollEm() {
 	STACK_CHECK;
 	cl = 160;

engines/dreamweb/dreamgen.h

@@ -546,14 +546,12 @@ public:
 	void pickupConts();
 	void nextColon();
 	void findInvPos();
-	void rollEndCredits();
 	void getKeyAndLogo();
 	void selectOb();
 	void receptionist();
 	void selectSlot();
 	void fadeUpMon();
 	void showDiaryPage();
-	void transferToEx();
 	void reExFromInv();
 	void businessMan();
 	void outOfInv();
@@ -587,7 +585,6 @@ public:
 	void drawItAll();
 	void useStereo();
 	void showDiaryKeys();
-	void rollEndCredits2();
 	void useOpened();
 	void signOn();
 	void locationPic();
@@ -620,6 +617,7 @@ public:
 	void swapWithInv();
 	void useControl();
 	void adjustRight();
+	void transferToEx();
 	void updateSymbolTop();
 	void getPersonText();
 	void parser();

engines/dreamweb/print.cpp

@@ -122,11 +122,10 @@ uint8 DreamBase::printSlow(const uint8 *string, uint16 x, uint16 y, uint8 maxWid
 
 void DreamGenContext::printDirect() {
 	uint16 y = bx;
-	uint16 initialSi = si;
 	const uint8 *initialString = es.ptr(si, 0);
 	const uint8 *string = initialString;
 	al = DreamBase::printDirect(&string, di, &y, dl, (bool)(dl & 1));
-	si = initialSi + (string - initialString);
+	si += (string - initialString);
 	bx = y;
 }
 

engines/dreamweb/sprite.cpp

@@ -759,6 +759,50 @@ void DreamGenContext::intro3Text() {
 		setupTimedTemp(46, 82, 36, 56, 100, 1);
 }
 
+void DreamBase::rollEndCredits() {
+	playChannel0(16, 255);
+	data.byte(kVolume) = 7;
+	data.byte(kVolumeto) = 0;
+	data.byte(kVolumedirection) = -1;
+
+	multiGet(mapStore(), 75, 20, 160, 160);
+
+	const uint8 *string = getTextInFile1(3);
+	const int linespacing = data.word(kLinespacing);
+
+	for (int i = 0; i < 254; ++i) {
+		// Output the text, initially with an offset of 10 pixels,
+		// then move it up one pixel until we shifted it by a complete
+		// line of text.
+		for (int j = 0; j < linespacing; ++j) {
+			vSync();
+			multiPut(mapStore(), 75, 20, 160, 160);
+			vSync();
+
+			// Output up to 18 lines of text
+			uint16 y = 10 - j;
+			const uint8 *tmp_str = string;
+			for (int k = 0; k < 18; ++j) {
+				DreamBase::printDirect(&tmp_str, 75, &y, 160 + 1, true);
+				y += linespacing;
+			}
+
+			vSync();
+			multiDump(75, 20, 160, 160);
+		}
+
+		// Skip to the next text line
+		byte c;
+		do {
+			c = *string++;
+		} while (c != ':' && c != 0);
+	}
+	hangOn(100);
+	panelToMap();
+	fadeScreenUpHalf();
+}
+
+
 void DreamGenContext::monks2text() {
 	bool isGermanCD = isCD() && engine->getLanguage() == Common::DE_DEU;
 

engines/dreamweb/stubs.cpp

@@ -2482,9 +2482,10 @@ void DreamGenContext::setLocation() {
 	setLocation(al);
 }
 
-const uint8 *DreamGenContext::getTextInFile1(uint16 index) {
-	uint16 offset = getSegment(data.word(kTextfile1)).word(index * 2) + kTextstart;
-	const uint8 *string = getSegment(data.word(kTextfile1)).ptr(offset, 0);
+const uint8 *DreamBase::getTextInFile1(uint16 index) {
+	SegmentRef text = getSegment(data.word(kTextfile1));
+	uint16 offset = text.word(index * 2) + kTextstart;
+	const uint8 *string = text.ptr(offset, 0);
 	return string;
 }
 

engines/dreamweb/stubs.h

@@ -369,7 +369,6 @@
 	void getLocation();
 	void setLocation(uint8 index);
 	void setLocation();
-	const uint8 *getTextInFile1(uint16 index);
 	void loadTempText();
 	void loadTempText(const char *fileName);
 	void loadTravelText();
@@ -568,5 +567,6 @@
 	void showPuzText(uint16 command, uint16 count);
 	void showPuzText();
 	void monkSpeaking();
+	void rollEndCredits2();
 
 #endif

engines/dreamweb/vgafades.cpp

@@ -248,4 +248,8 @@ void DreamGenContext::showGroup() {
 	cx = 0;
 }
 
+void DreamGenContext::rollEndCredits2() {
+	rollEm();
+}
+
 } // End of namespace DreamGen