From 6133f1e422db46410fd624c4be2b3dc2e82fdacd Mon Sep 17 00:00:00 2001
From: dshaligram <dshaligram@c06c8d41-db1a-0410-9941-cceddc491573>
Date: Sun, 3 Jun 2007 09:59:15 +0000
Subject: $ in the interlevel travel depth prompt changes the default to the
 deepest visited level in the branch.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1516 c06c8d41-db1a-0410-9941-cceddc491573
---
 crawl-ref/source/travel.cc | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'crawl-ref/source/travel.cc')

diff --git a/crawl-ref/source/travel.cc b/crawl-ref/source/travel.cc
index 796df67a74..9cb7bec3bc 100644
--- a/crawl-ref/source/travel.cc
+++ b/crawl-ref/source/travel.cc
@@ -1960,6 +1960,17 @@ static level_id find_down_level(level_id curr)
     return (curr);
 }
 
+static level_id find_deepest_explored(level_id curr)
+{
+    for (int i = branches[curr.branch].depth; i > 0; --i)
+    {
+        const level_id lid(curr.branch, i);
+        if (travel_cache.find_level_info(lid))
+            return (lid);
+    }
+    return (curr);
+}
+
 static level_id find_down_level()
 {
     return (find_down_level(level_id::current()));
@@ -1975,6 +1986,8 @@ static int travel_depth_keyfilter(int &c)
     case CONTROL('P'): case 'p':
         c = '-';  // Make uniform.
         return (-1);
+    case '$':
+        return (-1);
     default:
         return (1);
     }
@@ -1998,6 +2011,9 @@ static void travel_depth_munge(int munge_method, branch_type *br, int *depth)
     case '-':
         lid = find_up_level(lid, true);
         break;
+    case '$':
+        lid = find_deepest_explored(lid);
+        break;
     }
     *br    = lid.branch;
     *depth = lid.depth;
-- 
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