From 137de7c954abab26c27d904651cebd0fe5cfb14d Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Thu, 25 Mar 2021 11:01:18 +0000
Subject: [PATCH] occregion: Send to client (but this is wrong, it should be
 json string)

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 daemon/session.rs | 2 ++
 src/hidden.rs     | 8 ++++++++
 src/pcrender.rs   | 1 +
 src/updates.rs    | 1 +
 4 files changed, 12 insertions(+)

diff --git a/daemon/session.rs b/daemon/session.rs
index ce68500e..0164b789 100644
--- a/daemon/session.rs
+++ b/daemon/session.rs
@@ -49,6 +49,7 @@ struct SessionPieceLoadJson<'r> {
   desc: Html,
   uos: &'r [UoDescription],
   moveable: PieceMoveable,
+  occregion: Option<&'r Region<Coord>>,
 }
 
 #[derive(Serialize,Debug)]
@@ -141,6 +142,7 @@ fn session_inner(form: Json<SessionForm>,
         desc,
         moveable: gpc.moveable(),
         uos: &pri.ui_operations(&ig.gs, gpc, ipc)?,
+        occregion: gpc.occult.active_region(&ig.gs.occults)?,
       };
 
       let for_piece = SessionPieceContext {
diff --git a/src/hidden.rs b/src/hidden.rs
index 5c41bbf6..cfa37763 100644
--- a/src/hidden.rs
+++ b/src/hidden.rs
@@ -106,6 +106,14 @@ impl PieceOccult {
     )
   }
 
+  #[throws(IE)]
+  pub fn active_region<'r>(&'r self, goccults: &'r GameOccults)
+                           -> Option<&'r Region<Coord>> {
+    self.active_occ(goccults)?.map(
+      |occ| &occ.region
+    )
+  }
+
   #[throws(IE)]
   pub fn active_total_ppieces(&self, goccults: &GameOccults)
                               -> Option<NotchNumber> {
diff --git a/src/pcrender.rs b/src/pcrender.rs
index 2e5b016e..232c39b5 100644
--- a/src/pcrender.rs
+++ b/src/pcrender.rs
@@ -126,6 +126,7 @@ impl PieceRenderInstructions {
       pinned     : gpc.pinned,
       uos        : pri.ui_operations(gs, gpc, ipc)?,
       moveable   : gpc.moveable(),
+      occregion  : gpc.occult.active_region(&gs.occults)?.cloned(),
     };
     dbgc!(pri, ipc, gpc, r);
     r
diff --git a/src/updates.rs b/src/updates.rs
index d9e8551e..ddeea607 100644
--- a/src/updates.rs
+++ b/src/updates.rs
@@ -107,6 +107,7 @@ pub struct PreparedPieceState {
   pub pinned: bool,
   pub moveable: PieceMoveable,
   pub uos: Vec<UoDescription>,
+  pub occregion: Option<Region<Coord>>,
 }
 
 #[derive(Debug,Copy,Clone,Serialize,Deserialize,Eq)]
-- 
2.30.2