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diff --git a/Client/ThirdParty/Box2D/src/dynamics/b2_island.h b/Client/ThirdParty/Box2D/src/dynamics/b2_island.h
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+++ b/Client/ThirdParty/Box2D/src/dynamics/b2_island.h
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+// MIT License
+
+// Copyright (c) 2019 Erin Catto
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+#ifndef B2_ISLAND_H
+#define B2_ISLAND_H
+
+#include "box2d/b2_body.h"
+#include "box2d/b2_math.h"
+#include "box2d/b2_time_step.h"
+
+class b2Contact;
+class b2Joint;
+class b2StackAllocator;
+class b2ContactListener;
+struct b2ContactVelocityConstraint;
+struct b2Profile;
+
+/// This is an internal class.
+class b2Island
+{
+public:
+	b2Island(int32 bodyCapacity, int32 contactCapacity, int32 jointCapacity,
+			b2StackAllocator* allocator, b2ContactListener* listener);
+	~b2Island();
+
+	void Clear()
+	{
+		m_bodyCount = 0;
+		m_contactCount = 0;
+		m_jointCount = 0;
+	}
+
+	void Solve(b2Profile* profile, const b2TimeStep& step, const b2Vec2& gravity, bool allowSleep);
+
+	void SolveTOI(const b2TimeStep& subStep, int32 toiIndexA, int32 toiIndexB);
+
+	void Add(b2Body* body)
+	{
+		b2Assert(m_bodyCount < m_bodyCapacity);
+		body->m_islandIndex = m_bodyCount;
+		m_bodies[m_bodyCount] = body;
+		++m_bodyCount;
+	}
+
+	void Add(b2Contact* contact)
+	{
+		b2Assert(m_contactCount < m_contactCapacity);
+		m_contacts[m_contactCount++] = contact;
+	}
+
+	void Add(b2Joint* joint)
+	{
+		b2Assert(m_jointCount < m_jointCapacity);
+		m_joints[m_jointCount++] = joint;
+	}
+
+	void Report(const b2ContactVelocityConstraint* constraints);
+
+	b2StackAllocator* m_allocator;
+	b2ContactListener* m_listener;
+
+	b2Body** m_bodies;
+	b2Contact** m_contacts;
+	b2Joint** m_joints;
+
+	b2Position* m_positions;
+	b2Velocity* m_velocities;
+
+	int32 m_bodyCount;
+	int32 m_jointCount;
+	int32 m_contactCount;
+
+	int32 m_bodyCapacity;
+	int32 m_contactCapacity;
+	int32 m_jointCapacity;
+};
+
+#endif