From 691d910c3ed3098cab63797f9a2f6b4826972ba7 Mon Sep 17 00:00:00 2001
From: Sasha Szpakowski <slime73@gmail.com>
Date: Sat, 30 Sep 2023 17:54:09 -0300
Subject: [PATCH] Improve error message when Mesh:setVertexMap is used with an
 empty array.

---
 src/modules/graphics/Mesh.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/modules/graphics/Mesh.cpp b/src/modules/graphics/Mesh.cpp
index 78abd2d96..4db8cf316 100644
--- a/src/modules/graphics/Mesh.cpp
+++ b/src/modules/graphics/Mesh.cpp
@@ -320,6 +320,9 @@ static void copyToIndexBuffer(const std::vector<uint32> &indices, void *data, si
 
 void Mesh::setVertexMap(const std::vector<uint32> &map)
 {
+	if (map.empty())
+		throw love::Exception("Vertex map array must not be empty.");
+
 	size_t maxval = getVertexCount();
 
 	IndexDataType datatype = getIndexDataTypeFromMax(maxval);