From d0fd5fd3c787210fa584e4a933280bd82daaec02 Mon Sep 17 00:00:00 2001
From: jfons <joan.fonssanchez@gmail.com>
Date: Thu, 24 Feb 2022 13:00:51 +0100
Subject: Add sanity checks to lightmap unwrap texel size

---
 scene/resources/mesh.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'scene/resources')

diff --git a/scene/resources/mesh.cpp b/scene/resources/mesh.cpp
index 441e84eccc..6b44b05e02 100644
--- a/scene/resources/mesh.cpp
+++ b/scene/resources/mesh.cpp
@@ -1684,6 +1684,7 @@ Error ArrayMesh::lightmap_unwrap(const Transform3D &p_base_transform, float p_te
 Error ArrayMesh::lightmap_unwrap_cached(const Transform3D &p_base_transform, float p_texel_size, const Vector<uint8_t> &p_src_cache, Vector<uint8_t> &r_dst_cache, bool p_generate_cache) {
 	ERR_FAIL_COND_V(!array_mesh_lightmap_unwrap_callback, ERR_UNCONFIGURED);
 	ERR_FAIL_COND_V_MSG(blend_shapes.size() != 0, ERR_UNAVAILABLE, "Can't unwrap mesh with blend shapes.");
+	ERR_FAIL_COND_V_MSG(p_texel_size <= 0.0f, ERR_PARAMETER_RANGE_ERROR, "Texel size must be greater than 0.");
 
 	LocalVector<float> vertices;
 	LocalVector<float> normals;
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