Calculate tick related values based on current game speed

Source/diablo.cpp

@@ -1811,7 +1811,7 @@ void game_loop(BOOL bStartup)
 {
 	int i;
 
-	i = bStartup ? 60 : 3;
+	i = bStartup ? ticks_per_sec * 3 : 3;
 
 	while (i--) {
 		if (!multi_handle_delta()) {

Source/mainmenu.cpp

@@ -154,7 +154,6 @@ BOOL mainmenu_single_player()
 	if (!SRegLoadValue("devilutionx", "game speed", 0, &ticks_per_sec)) {
 		SRegSaveValue("devilutionx", "game speed", 0, ticks_per_sec);
 	}
-	tick_delay = 1000 / ticks_per_sec;
 
 	return mainmenu_init_menu(SELHERO_NEW_DUNGEON);
 }

Source/nthread.cpp

@@ -227,7 +227,7 @@ BOOL nthread_has_500ms_passed(BOOL unused)
 
 	currentTickCount = SDL_GetTicks();
 	ticksElapsed = currentTickCount - last_tick;
-	if (gbMaxPlayers == 1 && ticksElapsed > 500) {
+	if (gbMaxPlayers == 1 && ticksElapsed > tick_delay * 10) {
 		last_tick = currentTickCount;
 		ticksElapsed = 0;
 	}

Source/tmsg.cpp

@@ -34,7 +34,7 @@ void tmsg_add(BYTE *pbMsg, BYTE bLen)
 
 	TMsg *msg = (TMsg *)DiabloAllocPtr(bLen + sizeof(*msg));
 	msg->hdr.pNext = NULL;
-	msg->hdr.dwTime = SDL_GetTicks() + 500;
+	msg->hdr.dwTime = SDL_GetTicks() + tick_delay * 10;
 	msg->hdr.bLen = bLen;
 	memcpy(msg->body, pbMsg, bLen);
 	for (tail = &sgpTimedMsgHead; *tail; tail = &(*tail)->hdr.pNext) {

Source/track.cpp

@@ -24,7 +24,7 @@ void track_process()
 
 	if (cursmx != plr[myplr]._ptargx || cursmy != plr[myplr]._ptargy) {
 		DWORD tick = SDL_GetTicks();
-		if ((int)(tick - sgdwLastWalk) >= 300) {
+		if ((int)(tick - sgdwLastWalk) >= tick_delay * 6) {
 			sgdwLastWalk = tick;
 			NetSendCmdLoc(TRUE, CMD_WALKXY, cursmx, cursmy);
 			if (!sgbIsScrolling)
@@ -41,7 +41,7 @@ void track_repeat_walk(BOOL rep)
 	sgbIsWalking = rep;
 	if (rep) {
 		sgbIsScrolling = FALSE;
-		sgdwLastWalk = SDL_GetTicks() - 50;
+		sgdwLastWalk = SDL_GetTicks() - tick_delay;
 		NetSendCmdLoc(TRUE, CMD_WALKXY, cursmx, cursmy);
 	} else if (sgbIsScrolling) {
 		sgbIsScrolling = FALSE;