Ajout de Jolt Physics + 1ere version des factory entitecomposants - camera, transform, rigidbody, collider, renderer

lib/All/JoltPhysics/Samples/Tests/Tools/LoadSnapshotTest.cpp

@@ -0,0 +1,117 @@
+// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
+// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
+// SPDX-License-Identifier: MIT
+
+#include <TestFramework.h>
+
+#include <Tests/Tools/LoadSnapshotTest.h>
+#include <Jolt/Physics/PhysicsScene.h>
+#include <Jolt/Core/StreamWrapper.h>
+#include <Application/DebugUI.h>
+#include <Utils/Log.h>
+#include <Layers.h>
+
+JPH_SUPPRESS_WARNINGS_STD_BEGIN
+#ifdef JPH_PLATFORM_WINDOWS
+#include <commdlg.h>
+#endif
+#include <fstream>
+JPH_SUPPRESS_WARNINGS_STD_END
+
+JPH_IMPLEMENT_RTTI_VIRTUAL(LoadSnapshotTest)
+{
+	JPH_ADD_BASE_CLASS(LoadSnapshotTest, Test)
+}
+
+void LoadSnapshotTest::Initialize()
+{
+#ifdef JPH_PLATFORM_WINDOWS
+	// Let user browse for a file
+	char file_name[MAX_PATH] = "";
+	OPENFILENAMEA ofn;
+	memset(&ofn, 0, sizeof(ofn));
+	ofn.lStructSize = sizeof(ofn);
+	ofn.lpstrFilter = "Snapshots\0*.bin\0";
+	ofn.lpstrFile = file_name;
+	ofn.nMaxFile = MAX_PATH;
+	ofn.lpstrTitle = "Select a Jolt Binary Snapshot";
+	ofn.Flags = OFN_DONTADDTORECENT | OFN_FILEMUSTEXIST;
+	if (!GetOpenFileNameA(&ofn))
+		return;
+#else
+	// Can't browse for a file, use the default name
+	char file_name[] = "snapshot.bin";
+#endif
+
+	ifstream stream(file_name, ifstream::in | ifstream::binary);
+	if (!stream.is_open())
+		FatalError("Unable to open file");
+
+	StreamInWrapper wrapper(stream);
+	PhysicsScene::PhysicsSceneResult result = PhysicsScene::sRestoreFromBinaryState(wrapper);
+	if (result.HasError())
+		FatalError(result.GetError().c_str());
+	Ref<PhysicsScene> scene = result.Get();
+
+	// Determine quaternion that rotates the world so that up is Y
+	Quat up_rotation;
+	switch (sUpAxis)
+	{
+	case 0:		up_rotation = Quat::sRotation(Vec3::sAxisZ(), 0.5f * JPH_PI);	break;
+	case 2:		up_rotation = Quat::sRotation(Vec3::sAxisX(), -0.5f * JPH_PI);	break;
+	default:	up_rotation = Quat::sIdentity();								break;
+	}
+
+	// Determine if we are forced to override the object layers because one of the bodies has a layer number that is invalid in the context of this application
+	bool override_layers = sOverrideLayers;
+	if (!override_layers)
+	{
+		for (const BodyCreationSettings &settings : scene->GetBodies())
+			if (settings.mObjectLayer >= Layers::NUM_LAYERS)
+			{
+				override_layers = true;
+				break;
+			}
+		for (const SoftBodyCreationSettings &settings : scene->GetSoftBodies())
+			if (settings.mObjectLayer >= Layers::NUM_LAYERS)
+			{
+				override_layers = true;
+				break;
+			}
+	}
+
+	for (BodyCreationSettings &settings : scene->GetBodies())
+	{
+		if (override_layers)
+		{
+			// Override the layer so that all static objects are in the non-moving layer and everything else is in the moving layer
+			if (settings.mMotionType == EMotionType::Static)
+				settings.mObjectLayer = Layers::NON_MOVING;
+			else
+				settings.mObjectLayer = Layers::MOVING;
+		}
+
+		// Rotate the body so that it matches Y is up
+		settings.mPosition = RMat44::sRotation(up_rotation) * settings.mPosition;
+		settings.mRotation = up_rotation * settings.mRotation;
+	}
+
+	for (SoftBodyCreationSettings &settings : scene->GetSoftBodies())
+	{
+		if (override_layers)
+			settings.mObjectLayer = Layers::MOVING;
+
+		// Rotate the body so that it matches Y is up
+		settings.mPosition = RMat44::sRotation(up_rotation) * settings.mPosition;
+		settings.mRotation = up_rotation * settings.mRotation;
+	}
+
+	scene->CreateBodies(mPhysicsSystem);
+}
+
+void LoadSnapshotTest::CreateSettingsMenu(DebugUI *inUI, UIElement *inSubMenu)
+{
+	inUI->CreateComboBox(inSubMenu, "Up Axis", { "X", "Y", "Z" }, sUpAxis, [](int inItem) { sUpAxis = inItem; });
+	inUI->CreateCheckBox(inSubMenu, "Override Object Layers", sOverrideLayers, [](UICheckBox::EState inState) { sOverrideLayers = inState == UICheckBox::STATE_CHECKED; });
+	inUI->CreateTextButton(inSubMenu, "Accept Changes", [this]() { RestartTest(); });
+}