Add JoltPhysics3D for a performance test

src/Nazara/JoltPhysics3D/JoltPhysics3D.cpp

@@ -0,0 +1,62 @@
+// 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
+
+#include <Nazara/JoltPhysics3D/JoltPhysics3D.hpp>
+#include <Nazara/JoltPhysics3D/Config.hpp>
+#include <Nazara/Core/Core.hpp>
+#include <Nazara/Core/Error.hpp>
+#include <Nazara/Core/Log.hpp>
+#include <Jolt/Jolt.h>
+#include <Jolt/RegisterTypes.h>
+#include <Jolt/Core/Factory.h>
+#include <Jolt/Core/JobSystemThreadPool.h>
+#include <Jolt/Physics/PhysicsSettings.h>
+#include <cstdarg>
+#include <iostream>
+#include <Nazara/JoltPhysics3D/Debug.hpp>
+
+// Callback for traces, connect this to your own trace function if you have one
+static void TraceImpl(const char* inFMT, ...)
+{
+	// Format the message
+	va_list list;
+	va_start(list, inFMT);
+	char buffer[1024];
+	vsnprintf(buffer, sizeof(buffer), inFMT, list);
+	va_end(list);
+
+	// Print to the TTY
+	std::cout << buffer << std::endl;
+}
+
+namespace Nz
+{
+	JoltPhysics3D::JoltPhysics3D(Config /*config*/) :
+	ModuleBase("JoltPhysics3D", this)
+	{
+		JPH::RegisterDefaultAllocator();
+		JPH::Trace = TraceImpl;
+		JPH::Factory::sInstance = new JPH::Factory;
+		JPH::RegisterTypes();
+
+		m_threadPool = std::make_unique<JPH::JobSystemThreadPool>(JPH::cMaxPhysicsJobs, JPH::cMaxPhysicsBarriers, Core::Instance()->GetHardwareInfo().GetCpuThreadCount());
+	}
+
+	JoltPhysics3D::~JoltPhysics3D()
+	{
+		m_threadPool.reset();
+		// FIXME: Uncomment when next version of Jolt gets released
+		//JPH::UnregisterTypes();
+
+		delete JPH::Factory::sInstance;
+		JPH::Factory::sInstance = nullptr;
+	}
+
+	JPH::JobSystem& JoltPhysics3D::GetThreadPool()
+	{
+		return *m_threadPool;
+	}
+
+	JoltPhysics3D* JoltPhysics3D::s_instance;
+}