From 145284b7f1a3583176e4e7de890a55ce39f4eab1 Mon Sep 17 00:00:00 2001
From: Paul Melis <paul.melis@surf.nl>
Date: Tue, 4 Jun 2024 17:17:29 +0200
Subject: [PATCH] Only count primitives made up of triangles in glTF meshes

---
 src/rmodels.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/rmodels.c b/src/rmodels.c
index 23aaa04a6..18a7e1ac2 100644
--- a/src/rmodels.c
+++ b/src/rmodels.c
@@ -4969,9 +4969,14 @@ static Model LoadGLTF(const char *fileName)
             cgltf_mesh *mesh = node->mesh;
             if (!mesh)
                 continue;
-            primitivesCount += mesh->primitives_count;
+
+            for (unsigned int p = 0; p < mesh->primitives_count; p++)
+            {
+                if (mesh->primitives[p].type == cgltf_primitive_type_triangles)
+                    primitivesCount++;
+            }
         }
-        TRACELOG(LOG_DEBUG, "    > Primitives count based on hierarchy: %i", primitivesCount);
+        TRACELOG(LOG_DEBUG, "    > Primitives (triangles only) count based on hierarchy : %i", primitivesCount);
 
         // Load our model data: meshes and materials
         model.meshCount = primitivesCount;