X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;f=Box2D%2FSource%2FDynamics%2Fb2Island.h;fp=Box2D%2FSource%2FDynamics%2Fb2Island.h;h=a23e9e923ed69400253b7200babaa1e419aed8de;hb=f4dacbe0a45b6d24b5c0c0f30634988c71bc321d;hp=0000000000000000000000000000000000000000;hpb=1ef80d0d5bf4d1fc254fb1d05ad4e448645d5895;p=blok

diff --git a/Box2D/Source/Dynamics/b2Island.h b/Box2D/Source/Dynamics/b2Island.h
new file mode 100644
index 0000000..a23e9e9
--- /dev/null
+++ b/Box2D/Source/Dynamics/b2Island.h
@@ -0,0 +1,88 @@
+/*
+* Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com
+*
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 1. The origin of this software must not be misrepresented; you must not
+* claim that you wrote the original software. If you use this software
+* in a product, an acknowledgment in the product documentation would be
+* appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+* misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef B2_ISLAND_H
+#define B2_ISLAND_H
+
+#include "../Common/b2Math.h"
+
+class b2Contact;
+class b2Body;
+class b2Joint;
+class b2StackAllocator;
+class b2ContactListener;
+struct b2ContactConstraint;
+struct b2TimeStep;
+
+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(const b2TimeStep& step, const b2Vec2& gravity, bool correctPositions, bool allowSleep);
+
+	void SolveTOI(const b2TimeStep& subStep);
+
+	void Add(b2Body* body)
+	{
+		b2Assert(m_bodyCount < m_bodyCapacity);
+		m_bodies[m_bodyCount++] = body;
+	}
+
+	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(b2ContactConstraint* constraints);
+
+	b2StackAllocator* m_allocator;
+	b2ContactListener* m_listener;
+
+	b2Body** m_bodies;
+	b2Contact** m_contacts;
+	b2Joint** m_joints;
+
+	int32 m_bodyCount;
+	int32 m_jointCount;
+	int32 m_contactCount;
+
+	int32 m_bodyCapacity;
+	int32 m_contactCapacity;
+	int32 m_jointCapacity;
+
+	int32 m_positionIterationCount;
+};
+
+#endif