From f08ad77b5720ee68c7efa65686cbae1bf6486a0e Mon Sep 17 00:00:00 2001
From: Florian Fischer <florian.fischer@muhq.space>
Date: Thu, 24 Jul 2025 12:04:33 -0400
Subject: add king tile assertion

---
 go/game/map.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/go/game/map.go b/go/game/map.go
index d918d87d..2b0bebd7 100644
--- a/go/game/map.go
+++ b/go/game/map.go
@@ -104,6 +104,9 @@ func ParseMap(data []byte) (*Map, error) {
 				owner := s.PlayerById(i + 1)
 				// TODO: Fix position index base.
 				pos := Position{kingPos[0] - 1, kingPos[1] - 1}
+				if m.TileAt(pos) == nil {
+					log.Panic("invalid king pos", pos, len(m.Tiles[0]), "x", len(m.Tiles), "map")
+				}
 				s.addNewUnit(card, pos, owner)
 			}
 		}
-- 
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