From 9d2275e26b69e2d9df5aeaf6d98facfb5ef45eb1 Mon Sep 17 00:00:00 2001
From: Stan <stan@wildfiregames.com>
Date: Mon, 25 Jul 2022 20:08:03 +0000
Subject: [PATCH] Fix assertion when trying to draw a line with one point. This
 would trigger an ensure if one enabled the unitmotion overlay.

Patch by: @vladislavbelov
This was SVN commit r27016.
---
 source/renderer/DebugRenderer.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/source/renderer/DebugRenderer.cpp b/source/renderer/DebugRenderer.cpp
index 0307a8f9a2..4df92a894c 100644
--- a/source/renderer/DebugRenderer.cpp
+++ b/source/renderer/DebugRenderer.cpp
@@ -78,6 +78,9 @@ void CDebugRenderer::DrawLine(
 	const std::vector<CVector3D>& line, const CColor& color,
 	const float width, const bool depthTestEnabled)
 {
+	if (line.size() <= 1)
+		return;
+
 	CShaderTechniquePtr debugLineTech =
 		g_Renderer.GetShaderManager().LoadEffect(str_debug_line);
 	Renderer::Backend::IDeviceCommandContext* deviceCommandContext =