DREAMWEB: 'autosetwalk' ported to C++

devtools/tasmrecover/tasm-recover

@@ -74,6 +74,7 @@ generator = cpp(context, "DreamGen", blacklist = [
 	'showreelframe',
 	'findsource',
 	'walking',
+	'autosetwalk',
 	'spriteupdate',
 	'dodoor',
 	'lockeddoorway',

engines/dreamweb/dreamgen.cpp

@@ -17359,59 +17359,6 @@ holdingreel:
 	data.byte(kWatchmode) = 2;
 }
 
-void DreamGenContext::autosetwalk() {
-	STACK_CHECK;
-	al = data.byte(kManspath);
-	_cmp(data.byte(kFinaldest), al);
-	if (!flags.z())
-		goto notsamealready;
-	return;
-notsamealready:
-	getroomspaths();
-	checkdest();
-	push(bx);
-	al = data.byte(kManspath);
-	ah = 0;
-	_add(ax, ax);
-	_add(ax, ax);
-	_add(ax, ax);
-	_add(bx, ax);
-	al = es.byte(bx);
-	ah = 0;
-	_sub(ax, 12);
-	data.word(kLinestartx) = ax;
-	al = es.byte(bx+1);
-	ah = 0;
-	_sub(ax, 12);
-	data.word(kLinestarty) = ax;
-	bx = pop();
-	al = data.byte(kDestination);
-	ah = 0;
-	_add(ax, ax);
-	_add(ax, ax);
-	_add(ax, ax);
-	_add(bx, ax);
-	al = es.byte(bx);
-	ah = 0;
-	_sub(ax, 12);
-	data.word(kLineendx) = ax;
-	al = es.byte(bx+1);
-	ah = 0;
-	_sub(ax, 12);
-	data.word(kLineendy) = ax;
-	bresenhams();
-	_cmp(data.byte(kLinedirection), 0);
-	if (flags.z())
-		goto normalline;
-	al = data.byte(kLinelength);
-	_dec(al);
-	data.byte(kLinepointer) = al;
-	data.byte(kLinedirection) = 1;
-	return;
-normalline:
-	data.byte(kLinepointer) = 0;
-}
-
 void DreamGenContext::checkdest() {
 	STACK_CHECK;
 	push(bx);
@@ -20190,7 +20137,6 @@ void DreamGenContext::__dispatch_call(uint16 addr) {
 		case addr_walktotext: walktotext(); break;
 		case addr_getflagunderp: getflagunderp(); break;
 		case addr_setwalk: setwalk(); break;
-		case addr_autosetwalk: autosetwalk(); break;
 		case addr_checkdest: checkdest(); break;
 		case addr_bresenhams: bresenhams(); break;
 		case addr_workoutframes: workoutframes(); break;

engines/dreamweb/dreamgen.h

@@ -120,7 +120,6 @@ public:
 	static const uint16 addr_workoutframes = 0xca54;
 	static const uint16 addr_bresenhams = 0xca50;
 	static const uint16 addr_checkdest = 0xca4c;
-	static const uint16 addr_autosetwalk = 0xca48;
 	static const uint16 addr_setwalk = 0xca44;
 	static const uint16 addr_getflagunderp = 0xca40;
 	static const uint16 addr_walktotext = 0xca3c;
@@ -1360,6 +1359,7 @@ public:
 	void fadedos();
 	//void fillspace();
 	//void multiget();
+	//void autosetwalk();
 	void fadeupmonfirst();
 	void drawfloor();
 	void loadkeypad();
@@ -1385,7 +1385,7 @@ public:
 	void additionaltext();
 	//void kernchars();
 	void othersmoker();
-	void autosetwalk();
+	void dofade();
 	void setuptimedtemp();
 	void blocknametext();
 	void useelevator5();
@@ -1431,7 +1431,6 @@ public:
 	void addtopeoplelist();
 	void hangoncurs();
 	void sparkydrip();
-	//void modifychar();
 	void compare();
 	void printcurs();
 	//void convertkey();
@@ -1759,7 +1758,7 @@ public:
 	void readfromfile();
 	void initialinv();
 	void showslots();
-	void dofade();
+	//void modifychar();
 	void hangon();
 	void settopright();
 	void findsetobject();

engines/dreamweb/stubs.cpp

@@ -882,5 +882,25 @@ void DreamGenContext::deltextline() {
 	multiput(ds.ptr(si, 0), x, y, kUndertextsizex, kUndertextsizey);
 }
 
+void DreamGenContext::autosetwalk() {
+	al = data.byte(kManspath);
+	if (data.byte(kFinaldest) == al)
+		return;
+	getroomspaths();
+	uint8 *roomsPaths = getroomspathsCPP();
+	checkdest();
+	data.word(kLinestartx) = roomsPaths[data.byte(kManspath) * 8 + 0] - 12;
+	data.word(kLinestarty) = roomsPaths[data.byte(kManspath) * 8 + 1] - 12;
+	data.word(kLineendx) = roomsPaths[data.byte(kDestination) * 8 + 0] - 12;
+	data.word(kLineendy) = roomsPaths[data.byte(kDestination) * 8 + 1] - 12;
+	bresenhams();
+	if (data.byte(kLinedirection) != 0) {
+		data.byte(kLinepointer) = data.byte(kLinelength) - 1;
+		data.byte(kLinedirection) = 1;
+		return;
+	}
+	data.byte(kLinepointer) = 0;
+}
+
 } /*namespace dreamgen */
 

engines/dreamweb/stubs.h

@@ -82,6 +82,7 @@
 	void facerightway();
 	void walking();
 	void walking(Sprite *sprite);
+	void autosetwalk();
 	void aboutturn(Sprite *sprite);
 	void backobject(Sprite *sprite);
 	void constant(Sprite *sprite, ObjData *objData);