From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 14 Jul 2021 15:17:45 +0000 (+0100)
Subject: api: Support loose grab op
X-Git-Tag: otter-0.7.2~93
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=76d079c012aeb5a81c76baa1f91c450eefc13c93;p=otter.git

api: Support loose grab op

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/daemon/api.rs b/daemon/api.rs
index 60643d5c..34646e32 100644
--- a/daemon/api.rs
+++ b/daemon/api.rs
@@ -283,6 +283,14 @@ api_route!{
   }
 
   impl op::Core as {
+    #[throws(ApiPieceOpError)]
+    fn conflict_loose_check(&self, gpc: &GPiece, client: ClientId)
+                            -> ContinueDespiteConflict {
+      if gpc.occult.is_active()             { throw!(Ia::Occultation    ) }
+      if gpc.moveable != PieceMoveable::Yes { throw!(Ia::PieceImmoveable) }
+      if gpc.last_released != client        { throw!(Ia::PieceHeld      ) }
+      ContinueDespiteConflict
+    }
   }
 
   impl op::Simple as {