From eaf48bb1769cbfbcd5727764f27707661b582acb Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Mon, 20 Jan 2025 23:48:25 +0100
Subject: [PATCH] Fix regression in dynamic mesh bounds and triangles setup
 after refactor

---
 Source/Engine/Graphics/Models/Mesh.cpp     | 2 +-
 Source/Engine/Graphics/Models/MeshBase.cpp | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/Source/Engine/Graphics/Models/Mesh.cpp b/Source/Engine/Graphics/Models/Mesh.cpp
index 810cb23fc..803321344 100644
--- a/Source/Engine/Graphics/Models/Mesh.cpp
+++ b/Source/Engine/Graphics/Models/Mesh.cpp
@@ -55,7 +55,7 @@ namespace
         
         // Index Buffer
         {
-            if (accessor.AllocateBuffer(MeshBufferType::Index, triangleCount, indexFormat))
+            if (accessor.AllocateBuffer(MeshBufferType::Index, triangleCount * 3, indexFormat))
                 return true;
             auto indexStream = accessor.Index();
             ASSERT(indexStream.IsLinear(indexFormat));
diff --git a/Source/Engine/Graphics/Models/MeshBase.cpp b/Source/Engine/Graphics/Models/MeshBase.cpp
index 7df3670cc..857a85fff 100644
--- a/Source/Engine/Graphics/Models/MeshBase.cpp
+++ b/Source/Engine/Graphics/Models/MeshBase.cpp
@@ -311,6 +311,11 @@ void MeshBase::SetBounds(const BoundingBox& box)
     _box = box;
     BoundingSphere::FromBox(box, _sphere);
     _hasBounds = true;
+    if (_model && _model->IsLoaded())
+    {
+        // Send event (actors using this model can update bounds, etc.)
+        _model->onLoaded();
+    }
 }
 
 void MeshBase::SetBounds(const BoundingBox& box, const BoundingSphere& sphere)