Add JoltPhysics3D for a performance test

include/Nazara/JoltPhysics3D/JoltPhysWorld3D.hpp

@@ -0,0 +1,72 @@
+// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - JoltPhysics3D module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_JOLTPHYSICS3D_JOLTPHYSWORLD3D_HPP
+#define NAZARA_JOLTPHYSICS3D_JOLTPHYSWORLD3D_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/JoltPhysics3D/Config.hpp>
+#include <Nazara/Core/Time.hpp>
+#include <Nazara/Math/Box.hpp>
+#include <Nazara/Math/Vector3.hpp>
+#include <Nazara/Utils/FunctionRef.hpp>
+#include <Nazara/Utils/MovablePtr.hpp>
+
+namespace JPH
+{
+	class PhysicsSystem;
+}
+
+namespace Nz
+{
+	class JoltRigidBody3D;
+
+	class NAZARA_JOLTPHYSICS3D_API JoltPhysWorld3D
+	{
+		public:
+			struct RaycastHit;
+
+			JoltPhysWorld3D();
+			JoltPhysWorld3D(const JoltPhysWorld3D&) = delete;
+			JoltPhysWorld3D(JoltPhysWorld3D&& ph) = delete;
+			~JoltPhysWorld3D();
+
+			Vector3f GetGravity() const;
+			std::size_t GetMaxStepCount() const;
+			JPH::PhysicsSystem* GetPhysicsSystem();
+			Time GetStepSize() const;
+
+			bool RaycastQueryFirst(const Vector3f& from, const Vector3f& to, RaycastHit* hitInfo = nullptr);
+
+			void SetGravity(const Vector3f& gravity);
+			void SetMaxStepCount(std::size_t maxStepCount);
+			void SetStepSize(Time stepSize);
+
+			void Step(Time timestep);
+
+			JoltPhysWorld3D& operator=(const JoltPhysWorld3D&) = delete;
+			JoltPhysWorld3D& operator=(JoltPhysWorld3D&&) = delete;
+
+			struct RaycastHit
+			{
+				float fraction;
+				JoltRigidBody3D* hitBody = nullptr;
+				Vector3f hitPosition;
+				Vector3f hitNormal;
+			};
+
+		private:
+			struct JoltWorld;
+
+			std::size_t m_maxStepCount;
+			std::unique_ptr<JoltWorld> m_world;
+			Vector3f m_gravity;
+			Time m_stepSize;
+			Time m_timestepAccumulator;
+	};
+}
+
+#endif // NAZARA_JOLTPHYSICS3D_JOLTPHYSWORLD3D_HPP