Support doors with keys

Add initial support for doors and keys via pre-defined mappings:
k || d
------
1 -> a
2 -> b
3 -> c
4 -> d

Any key can open any door of its mapping, but is spent once used.
May require additional testing

1 files changed, 7 insertions, 7 deletions

diff --git a/maps/lvl3/dng.map b/maps/lvl3/dng.map
index d250f9f..3905121 100644
--- a/maps/lvl3/dng.map
+++ b/maps/lvl3/dng.map
@@ -2,22 +2,22 @@ w w w w w w w w w w w w w w w w w w w w w
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 w 0 w w w w w w w w w w w w w w w w w 0 w
 w p w 0 0 0 0 0 0 0 w 0 0 0 0 0 0 w w 0 w
-w 0 w e t 0 0 0 0 0 w 0 0 0 0 t 0 w w 0 w
-w 0 w 0 0 0 0 0 0 0 w 0 0 0 0 0 0 w w 0 w
+w 0 w 0 t 0 0 0 0 0 w 0 0 0 0 t 0 w w 0 w
+w 0 w 0 e 0 0 0 0 0 w 0 0 0 0 0 0 w w 0 w
 w 0 w 0 t 0 0 0 0 0 w 0 0 0 0 0 0 w w 0 w
 w 0 w 0 0 0 0 w w w w w w 0 0 0 0 w t 0 w
-w 0 w 0 0 0 0 w t t t t w 0 0 0 0 0 w 0 w
-w 0 w 0 0 0 0 0 t t t t w e 0 0 0 0 w 0 w
-w 0 w 0 0 0 0 w t t t t 0 0 0 0 0 0 w 0 w
+w 0 w 0 0 0 0 w t t t t w 0 e 0 0 0 w 0 w
+w 0 w 0 0 0 0 b t t t t w 0 0 0 0 0 w 0 w
+w 0 a 0 0 0 0 w t t t t 0 0 0 0 0 0 w 0 w
 w 0 w 0 0 0 0 w t t t t w 0 0 0 0 0 w 0 w
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 w 0 w 0 t 0 0 0 0 0 w 0 0 0 0 0 0 0 w 0 w
 w 0 w 0 0 0 0 0 0 0 w 0 0 0 0 0 0 0 w 0 w
-w 0 w 0 0 0 0 0 0 0 w 0 0 0 0 0 0 0 w 0 w
+w 0 w 0 0 0 2 0 0 0 w 0 0 0 0 0 0 0 w 0 w
 w 0 w 0 t 0 0 0 0 0 w 0 0 0 0 t 0 0 w 0 w
 w 0 w 0 0 0 0 0 0 0 w 0 0 0 0 0 0 0 w 0 w
 w 0 w t t t t t t t w t t t t t t t t 0 w
 w 0 w w w w w w w w t w w w w w w w 0 0 w
-w 0 t 0 0 0 0 0 0 0 t 0 0 0 0 0 0 0 0 0 w
+w 0 t 0 0 0 0 0 1 0 t 0 0 0 0 0 0 0 0 0 w
 w 0 t 0 0 0 0 0 0 0 w 0 0 0 0 0 0 0 0 0 w
 w w w w w w w w w w w w w w w w w w w w w