From f3edd553bc9a371e1cfc7943748c6415e612309f Mon Sep 17 00:00:00 2001
From: scamiv <6170744+scamiv@users.noreply.github.com>
Date: Sun, 28 Dec 2025 18:09:28 +0100
Subject: [PATCH] Update corridor parameters in CoarseToFineWaterPath for
 improved pathfinding robustness

- Adjusted the default corridor radius to 2 and increased maximum attempts to 6, enhancing the pathfinding algorithm's ability to handle tight corridors and avoid "optimistic coarse water" cliffs.
---
 src/core/pathfinding/CoarseToFineWaterPath.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/core/pathfinding/CoarseToFineWaterPath.ts b/src/core/pathfinding/CoarseToFineWaterPath.ts
index 3d9a7121a..c4244f49c 100644
--- a/src/core/pathfinding/CoarseToFineWaterPath.ts
+++ b/src/core/pathfinding/CoarseToFineWaterPath.ts
@@ -270,9 +270,9 @@ export function findWaterPathFromSeedsCoarseToFine(
     );
   }
 
-  // Start tight (radius 0) and rely on local widening + final fallback for robustness.
-  const corridorRadius0 = Math.max(0, coarseToFine.corridorRadius ?? 0);
-  const maxAttempts = Math.max(1, coarseToFine.maxAttempts ?? 3);
+  // Default to a slightly inflated corridor to avoid "optimistic coarse water" cliffs.
+  const corridorRadius0 = Math.max(0, coarseToFine.corridorRadius ?? 2);
+  const maxAttempts = Math.max(1, coarseToFine.maxAttempts ?? 6);
 
   // Allowed corridor stamp is stable across attempts (widening is cumulative).
   const allowedSet = getStampSet(coarseMap);