From 0dd0d07466aa2c88018f2929ab8a338bb4f1d378 Mon Sep 17 00:00:00 2001
From: HifiExperiments <thingsandstuffblog@gmail.com>
Date: Mon, 9 Sep 2024 13:38:55 -0700
Subject: [PATCH] fix text debug assert on invalid or unloaded font

---
 .../entities-renderer/src/RenderableTextEntityItem.cpp      | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libraries/entities-renderer/src/RenderableTextEntityItem.cpp b/libraries/entities-renderer/src/RenderableTextEntityItem.cpp
index e6b42db0db..9aec4c47f1 100644
--- a/libraries/entities-renderer/src/RenderableTextEntityItem.cpp
+++ b/libraries/entities-renderer/src/RenderableTextEntityItem.cpp
@@ -367,7 +367,11 @@ void entities::TextPayload::render(RenderArgs* args) {
     transform.setRotation(BillboardModeHelpers::getBillboardRotation(transform.getTranslation(), transform.getRotation(), textRenderable->_billboardMode,
         usePrimaryFrustum ? BillboardModeHelpers::getPrimaryViewFrustumPosition() : args->getViewFrustum().getPosition()));
 
-    float scale = textRenderable->_lineHeight / textRenderer->getFontHeight();
+    float scale = 1.0f;
+    float fontHeight = textRenderer->getFontHeight();
+    if (fontHeight > 0.0f) {
+        scale = textRenderable->_lineHeight / fontHeight;
+    }
     transform.postTranslate(glm::vec3(-0.5, 0.5, 1.0f + EPSILON / dimensions.z));
     transform.setScale(scale);
     batch.setModelTransform(transform);