Fix crash when loading CollisionData before physics init

#3971

Source/Engine/Content/Asset.cpp

@@ -8,6 +8,8 @@
 #include "Loading/Tasks/LoadAssetTask.h"
 #include "Engine/Core/Log.h"
 #include "Engine/Core/LogContext.h"
+#include "Engine/Graphics/GPUDevice.h"
+#include "Engine/Physics/Physics.h"
 #include "Engine/Profiler/ProfilerCPU.h"
 #include "Engine/Profiler/ProfilerMemory.h"
 #include "Engine/Scripting/ManagedCLR/MCore.h"
@@ -703,6 +705,38 @@ void Asset::onUnload_MainThread()
     OnUnloaded(this);
 }
 
+bool Asset::WaitForInitGraphics()
+{
+#define IS_GPU_NOT_READY() (GPUDevice::Instance == nullptr || GPUDevice::Instance->GetState() != GPUDevice::DeviceState::Ready)
+    if (!IsInMainThread() && IS_GPU_NOT_READY())
+    {
+        PROFILE_CPU();
+        ZoneColor(TracyWaitZoneColor);
+        int32 timeout = 1000;
+        while (IS_GPU_NOT_READY() && timeout-- > 0)
+            Platform::Sleep(1);
+        if (IS_GPU_NOT_READY())
+            return true;
+    }
+#undef IS_GPU_NOT_READY
+    return false;
+}
+
+bool Asset::WaitForInitPhysics()
+{
+    if (!IsInMainThread() && !Physics::DefaultScene)
+    {
+        PROFILE_CPU();
+        ZoneColor(TracyWaitZoneColor);
+        int32 timeout = 1000;
+        while (!Physics::DefaultScene && timeout-- > 0)
+            Platform::Sleep(1);
+        if (!Physics::DefaultScene)
+            return true;
+    }
+    return false;
+}
+
 #if USE_EDITOR
 
 bool Asset::OnCheckSave(const StringView& path) const