From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Mon, 13 Jul 2020 22:54:21 +0000 (+0100)
Subject: wip serde for gamestate
X-Git-Tag: otter-0.2.0~1326
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=7950e2aab6f095806b7bef513ed76031c70f460c;p=otter.git

wip serde for gamestate
---

diff --git a/src/gamestate.rs b/src/gamestate.rs
index bc659f33..8235d338 100644
--- a/src/gamestate.rs
+++ b/src/gamestate.rs
@@ -38,7 +38,7 @@ pub struct ZLevel {
 
 // ---------- game state ----------
 
-#[derive(Debug)]
+#[derive(Debug,Serialize)]
 pub struct GameState {
   pub pieces : DenseSlotMap<PieceId,PieceState>,
   pub players : DenseSlotMap<PlayerId,PlayerState>,
@@ -46,9 +46,10 @@ pub struct GameState {
   pub log : Vec<(Generation,LogEntryRef)>,
 }
 
-#[derive(Debug)]
+#[derive(Debug,Serialize)]
 pub struct PieceState {
   pub pos : Pos,
+  #[serde(with="self::piece_serde")]
   pub p : Box<dyn Piece>,
   pub face : FaceId,
   pub held : Option<PlayerId>,
@@ -58,7 +59,7 @@ pub struct PieceState {
   pub gen_before_lastclient : Generation,
 }
 
-#[derive(Debug)]
+#[derive(Debug,Serialize)]
 pub struct PlayerState {
   pub nick : String,
 }
@@ -187,6 +188,19 @@ impl PieceState {
   }
 }
 
+// ---------- pice load and save ----------
+
+mod piece_serde {
+  use crate::gamestate::*;
+  use serde::Serializer;
+//  #[throws(Result<<S as Serializer>::Ok,<S as Serializer>::Error>)]
+  pub fn serialize<S:Serializer>(pc : &Box<dyn Piece>, s:S)
+                                 -> Result<S::Ok, S::Error> {
+    s.serialize_none()
+  }
+  pub fn deserialize() { }
+}
+
 // ========== ad-hoc and temporary ==========
 
 pub fn make_pieceid_visible(p : PieceId) -> VisiblePieceId {