initial commit jolt

Engine/lib/JoltPhysics/Samples/Tests/General/LoadSaveBinaryTest.cpp

@@ -0,0 +1,61 @@
+// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
+// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
+// SPDX-License-Identifier: MIT
+
+#include <TestFramework.h>
+
+#include <Tests/General/LoadSaveBinaryTest.h>
+#include <Tests/General/LoadSaveSceneTest.h>
+#include <Jolt/Physics/PhysicsScene.h>
+#include <Utils/Log.h>
+#include <Jolt/Core/StreamWrapper.h>
+#include <Layers.h>
+
+JPH_IMPLEMENT_RTTI_VIRTUAL(LoadSaveBinaryTest)
+{
+	JPH_ADD_BASE_CLASS(LoadSaveBinaryTest, Test)
+}
+
+void LoadSaveBinaryTest::Initialize()
+{
+	// Create scene
+	Ref<PhysicsScene> scene = LoadSaveSceneTest::sCreateScene();
+
+	{
+		// Create a new scene by instantiating the scene in a physics system and then converting it back to a scene
+		PhysicsSystem system;
+		BPLayerInterfaceImpl layer_interface;
+		ObjectVsBroadPhaseLayerFilterImpl object_vs_broadphase_layer_filter;
+		ObjectLayerPairFilterImpl object_vs_object_layer_filter;
+		system.Init(mPhysicsSystem->GetMaxBodies(), 0, 1024, 1024, layer_interface, object_vs_broadphase_layer_filter, object_vs_object_layer_filter);
+		scene->CreateBodies(&system);
+		Ref<PhysicsScene> scene_copy = new PhysicsScene();
+		scene_copy->FromPhysicsSystem(&system);
+
+		// Replace the original scene
+		scene = scene_copy;
+	}
+
+	stringstream data;
+
+	// Write scene
+	{
+		StreamOutWrapper stream_out(data);
+		scene->SaveBinaryState(stream_out, true, true);
+	}
+
+	// Clear scene
+	scene = nullptr;
+
+	// Read scene back in
+	{
+		StreamInWrapper stream_in(data);
+		PhysicsScene::PhysicsSceneResult result = PhysicsScene::sRestoreFromBinaryState(stream_in);
+		if (result.HasError())
+			FatalError(result.GetError().c_str());
+		scene = result.Get();
+	}
+
+	// Instantiate scene
+	scene->CreateBodies(mPhysicsSystem);
+}