From bef18681cf2312b08d06810ec25d75776bad899c Mon Sep 17 00:00:00 2001
From: Kawe Mazidjatari <48657826+Mauler125@users.noreply.github.com>
Date: Wed, 6 Nov 2024 14:27:11 +0100
Subject: [PATCH] Recast: return out early if we have no regions

---
 src/thirdparty/recast/Recast/Source/RecastLayers.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/thirdparty/recast/Recast/Source/RecastLayers.cpp b/src/thirdparty/recast/Recast/Source/RecastLayers.cpp
index 0308639f..a8a59642 100644
--- a/src/thirdparty/recast/Recast/Source/RecastLayers.cpp
+++ b/src/thirdparty/recast/Recast/Source/RecastLayers.cpp
@@ -222,9 +222,16 @@ bool rcBuildHeightfieldLayers(rcContext* ctx, rcCompactHeightfield& chf,
 		}
 	}
 
+	if (regId == 0)
+	{
+		// No regions generated, but without an error.
+		return true;
+	}
+
 	// Allocate and init layer regions.
 	const int nregs = (int)regId;
 	rdScopedDelete<rcLayerRegion> regs((rcLayerRegion*)rdAlloc(sizeof(rcLayerRegion)*nregs, RD_ALLOC_TEMP));
+
 	if (!regs)
 	{
 		ctx->log(RC_LOG_ERROR, "rcBuildHeightfieldLayers: Out of memory 'regs' (%d).", nregs);