From 30717a1d099e33572dd33bce3cc2ba9b4efb500c Mon Sep 17 00:00:00 2001
From: Ian C <ianc@noddybox.co.uk>
Date: Wed, 4 May 2011 11:02:52 +0000
Subject: Added route display to play mode.

---
 dbox.c | 94 +++++++++++++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 76 insertions(+), 18 deletions(-)

diff --git a/dbox.c b/dbox.c
index 4dbb4f6..6fe8fd5 100644
--- a/dbox.c
+++ b/dbox.c
@@ -1106,9 +1106,24 @@ static void Solve(const level_t *p_level, route_t p_route,
 
 /* ---------------------------------------- INTERACTIVE MODE
 */
+static int StateDepth(const state_t *p_state)
+{
+    int depth = 0;
+
+    while(p_state)
+    {
+	depth++;
+	p_state = p_state->parent;
+    }
+
+    return depth;
+}
+
+
 static void CursesDisplay(const level_t *p_level,
 			  const state_t *p_state,
-			  int play)
+			  int p_play,
+			  const route_t p_route)
 {
     char allow[80];
     int x;
@@ -1173,7 +1188,7 @@ static void CursesDisplay(const level_t *p_level,
 
     mvaddstr(p_level->height + 11, 0, allow);
 
-    if (!play)
+    if (!p_play)
     {
 	if (p_state->path)
 	{
@@ -1186,15 +1201,28 @@ static void CursesDisplay(const level_t *p_level,
     }
     else
     {
-	int depth = 0;
+	int d;
+
+	d = StateDepth(p_state);
 
-	while(p_state)
+	if (d == MAX_ROUTE)
 	{
-	    depth++;
-	    p_state = p_state->parent;
+	    mvprintw(p_level->height + 10, 0, "Depth: MAX");
+	}
+	else
+	{
+	    mvprintw(p_level->height + 10, 0, "Depth: %d ", d);
 	}
 
-	mvprintw(p_level->height + 10, 0, "Depth: %d ", depth);
+	if (strlen(p_route) > COLS-6)
+	{
+	    mvprintw(p_level->height + 9, 0, "Route:%*.*s...",
+						COLS-10, COLS-10, p_route);
+	}
+	else
+	{
+	    mvprintw(p_level->height + 9, 0, "Route:%s ", p_route);
+	}
     }
 
     mvprintw(LINES - 3, 0, "Last reason: %-40.40s", NoMoveReason(NULL));
@@ -1203,13 +1231,13 @@ static void CursesDisplay(const level_t *p_level,
 }
 
 
-static void Interactive(const level_t *p_level, int play)
+static void Interactive(const level_t *p_level, int p_play)
 {
     int quit;
-    route_t route;
+    route_t route = {0};
     state_t *s;
 
-    if (!play)
+    if (!p_play)
     {
 	Solve(p_level, route, MAX_ROUTE, TRUE);
     }
@@ -1230,9 +1258,9 @@ static void Interactive(const level_t *p_level, int play)
     mvaddstr(LINES-1,0,"Cursors to move, P to follow path, "
     			"Q to quit, Backspace/B to step back");
 
-    if (!play)
+    if (!p_play)
     {
-	if (route[0])
+    	if (route[0])
 	{
 	    if (strlen(route) > COLS-6)
 	    {
@@ -1247,7 +1275,7 @@ static void Interactive(const level_t *p_level, int play)
 	else
 	{
 	    mvprintw(p_level->height + 9, 0, "Route: None found -- "
-	    					"level possibly impossible");
+						"level possibly impossible");
 	}
     }
 
@@ -1255,7 +1283,7 @@ static void Interactive(const level_t *p_level, int play)
     {
 	int key;
 
-	CursesDisplay(p_level, s, play);
+	CursesDisplay(p_level, s, p_play, route);
 
 	key = getch();
 
@@ -1290,53 +1318,78 @@ static void Interactive(const level_t *p_level, int play)
 		if (s->parent)
 		{
 		    s = s->parent;
+
+		    if (p_play)
+		    {
+		    	route[StateDepth(s) - 1] = 0;
+		    }
 		}
 	    	break;
 
 	    case KEY_LEFT:
-		if (play && !s->left)
+		if (p_play && !s->left && StateDepth(s) < MAX_ROUTE)
 		{
 		    s->left = CreateState(DIR_LEFT, FALSE, p_level, s, TRUE);
 		}
 
 		if (s->left)
 		{
+		    if (p_play)
+		    {
+		    	route[StateDepth(s) - 1] = 'L';
+		    }
+
 		    s=s->left;
 		}
 	    	break;
 
 	    case KEY_RIGHT:
-		if (play && !s->right)
+		if (p_play && !s->right && StateDepth(s) < MAX_ROUTE)
 		{
 		    s->right = CreateState(DIR_RIGHT, FALSE, p_level, s, TRUE);
 		}
 
 		if (s->right)
 		{
+		    if (p_play)
+		    {
+		    	route[StateDepth(s) - 1] = 'R';
+		    }
+
 		    s = s->right;
 		}
 	    	break;
 
 	    case KEY_DOWN:
-		if (play && !s->down)
+		if (p_play && !s->down && StateDepth(s) < MAX_ROUTE)
 		{
 		    s->down = CreateState(DIR_DOWN, FALSE, p_level, s, TRUE);
 		}
 
 		if (s->down)
 		{
+		    if (p_play)
+		    {
+		    	route[StateDepth(s) - 1] = 'D';
+		    }
+
 		    s = s->down;
 		}
 	    	break;
 
 	    case KEY_UP:
-		if (play && !s->up)
+		if (p_play && !s->up && StateDepth(s) < MAX_ROUTE)
 		{
 		    s->up = CreateState(DIR_UP, FALSE, p_level, s, TRUE);
 		}
 
 		if (s->up)
 		{
+		    if (p_play)
+		    {
+		    	route[StateDepth(s) - 1] = 'U';
+		    }
+
 		    s = s->up;
 		}
 	    	break;
@@ -1352,6 +1405,11 @@ static void Interactive(const level_t *p_level, int play)
     }
 
     endwin();
+
+    if (p_play)
+    {
+	printf("Route = '%s'\n",route);
+    }
 }
 
 
-- 
cgit v1.2.3