From 8185a79abb71aa6ad0d3ca3719047372440291c4 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Wed, 18 Dec 2024 16:03:47 +0000
Subject: Don't cut internal boundaries

Existing terrain contains enough nodes, assumes input surface is flat.
For non-flat requires, submit several surfaces.
---
 game/geoData.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/game/geoData.cpp b/game/geoData.cpp
index 643b24b..8e662b3 100644
--- a/game/geoData.cpp
+++ b/game/geoData.cpp
@@ -537,12 +537,12 @@ GeoData::setHeights(const std::span<const GlobalPosition3D> triangleStrip, const
 		}
 	};
 	auto doBoundary = [&doBoundaryPart, triangle = strip.begin()](const auto & verts) mutable {
-		const auto & [a, b, c] = verts;
-		doBoundaryPart(a, b, *triangle);
+		const auto & [a, _, c] = verts;
 		doBoundaryPart(a, c, *triangle);
 		triangle++;
 	};
 	std::ranges::for_each(newVerts | std::views::adjacent<3>, doBoundary);
+	doBoundaryPart(*++newVerts.begin(), newVerts.front(), *strip.rbegin());
 	doBoundaryPart(*++newVerts.rbegin(), newVerts.back(), *strip.rbegin());
 
 	std::set<HalfedgeHandle> done;
-- 
cgit v1.2.3