From ab7be9b4a40bc7e339f1bbf5524a51a53472d65b Mon Sep 17 00:00:00 2001
From: Shiny Metagross <30511800+ShinyMetagross@users.noreply.github.com>
Date: Tue, 16 Aug 2022 08:55:46 -0700
Subject: [PATCH] This fixes models without animation clips

- IQMs lacking animation clips would not appear
---
 src/r_data/models.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/r_data/models.cpp b/src/r_data/models.cpp
index 9c6e30a17..320462c58 100644
--- a/src/r_data/models.cpp
+++ b/src/r_data/models.cpp
@@ -369,7 +369,14 @@ void RenderFrameModels(FModelRenderer *renderer, FLevelLocals *Level, const FSpr
 				}
 			}
 			else
-				boneData = mdl->CalculateBones(modelframe, nextFrame ? modelframenext : modelframe, nextFrame ? inter : 0.f, *animationData);
+			{
+				if ((!smf->flags & MDL_MODELSAREATTACHMENTS) || evaluatedSingle == false)
+				{
+					boneData = mdl->CalculateBones(modelframe, nextFrame ? modelframenext : modelframe, nextFrame ? inter : 0.f, *animationData);
+					boneStartingPosition = renderer->SetupFrame(mdl, 0, 0, 0, boneData, -1);
+					evaluatedSingle = true;
+				}
+			}
 
 			mdl->RenderFrame(renderer, tex, modelframe, nextFrame ? modelframenext : modelframe, nextFrame ? inter : 0.f, translation, ssidp, boneData, boneStartingPosition);
 		}