feat(physics): wire physx sdk into build

engine/third_party/physx/source/simulationcontroller/src/ScParticleSystemSim.h

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+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//  * Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//  * Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//  * Neither the name of NVIDIA CORPORATION nor the names of its
+//    contributors may be used to endorse or promote products derived
+//    from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Copyright (c) 2008-2025 NVIDIA Corporation. All rights reserved.
+
+#ifndef SC_PARTICLESYSTEM_SIM_H
+#define SC_PARTICLESYSTEM_SIM_H
+
+#include "foundation/PxPreprocessor.h"
+#if PX_SUPPORT_GPU_PHYSX
+#include "foundation/PxUserAllocated.h"
+#include "ScGpuActorSim.h"
+#include "ScParticleSystemCore.h" 
+
+namespace physx
+{
+	namespace Sc
+	{
+		class Scene;
+
+		class ParticleSystemSim : public GPUActorSim
+		{
+			PX_NOCOPY(ParticleSystemSim)
+		public:
+			ParticleSystemSim(ParticleSystemCore& core, Scene& scene);
+			~ParticleSystemSim();
+
+			PX_INLINE	Dy::ParticleSystem*		getLowLevelParticleSystem() const { return mLLParticleSystem; }
+			PX_INLINE	ParticleSystemCore&		getCore() const { return static_cast<ParticleSystemCore&>(mCore); }
+
+			virtual			PxActor*		getPxActor() const { return getCore().getPxActor(); }
+
+			bool							isSleeping() const;
+			bool							isActive() const { return true; }
+			void							sleepCheck(PxReal dt);
+
+			void							setActive(bool active, bool asPartOfCreation=false);
+
+			void							createLowLevelVolume();
+
+		private:
+			Dy::ParticleSystem*				mLLParticleSystem;
+
+// PT: as far as I can tell these are never actually called
+//								void			activate();
+//								void			deactivate();
+		};
+
+	} // namespace Sc
+}
+#endif
+
+#endif