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authorGriffin Smith <root@gws.fyi>2019-12-23T17·19-0500
committerGriffin Smith <root@gws.fyi>2019-12-23T22·22-0500
commit052bc8455a99e7f1a90b6c9354e54cff10de02cc (patch)
tree51b7ef3883804a0644d7cd242b228023e9624f69 /src/Xanthous/Command.hs
parentbf7d139c1a17fe55921fb807aa249e93288d3e4d (diff)
Add a drop command
Add a drop command, bound to 'd', which prompts the character for an
item in their inventory, removes it from the inventory, and places it on
the ground. Along the way I had to fix a bug in the
`EntityMap.atPosition` lens, which was always appending to the existing
entities at the position on set, without removing the entities that were
already there - the rabbit hole of quickchecking the lens laws here also
lead to replacing the target of this lens with a newtype called
`VectorBag`, which ignores order (since the entitymap makes no
guarantees about order of entities at a given position).
Diffstat (limited to 'src/Xanthous/Command.hs')
-rw-r--r--src/Xanthous/Command.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/Xanthous/Command.hs b/src/Xanthous/Command.hs
index 3547bdf09ab0..d5bb5cd9eee2 100644
--- a/src/Xanthous/Command.hs
+++ b/src/Xanthous/Command.hs
@@ -14,6 +14,7 @@ data Command
   | Move Direction
   | PreviousMessage
   | PickUp
+  | Drop
   | Open
   | Wait
   | Eat
@@ -32,6 +33,7 @@ commandFromKey (KChar '.') [] = Just Wait
 commandFromKey (KChar (directionFromChar -> Just dir)) [] = Just $ Move dir
 commandFromKey (KChar 'p') [MCtrl] = Just PreviousMessage
 commandFromKey (KChar ',') [] = Just PickUp
+commandFromKey (KChar 'd') [] = Just Drop
 commandFromKey (KChar 'o') [] = Just Open
 commandFromKey (KChar ';') [] = Just Look
 commandFromKey (KChar 'e') [] = Just Eat