1 files changed, 53 insertions, 0 deletions
diff --git a/Source/external/Box2D/Dynamics/Contacts/b2ChainAndPolygonContact.cpp b/Source/external/Box2D/Dynamics/Contacts/b2ChainAndPolygonContact.cpp
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index 0000000..78431d5
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+++ b/Source/external/Box2D/Dynamics/Contacts/b2ChainAndPolygonContact.cpp
@@ -0,0 +1,53 @@
+/*
+* Copyright (c) 2006-2010 Erin Catto http://www.box2d.org
+*
+* 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.
+*/
+
+#include "Box2D/Dynamics/Contacts/b2ChainAndPolygonContact.h"
+#include "Box2D/Common/b2BlockAllocator.h"
+#include "Box2D/Dynamics/b2Fixture.h"
+#include "Box2D/Collision/Shapes/b2ChainShape.h"
+#include "Box2D/Collision/Shapes/b2EdgeShape.h"
+
+#include <new>
+
+b2Contact* b2ChainAndPolygonContact::Create(b2Fixture* fixtureA, int32 indexA, b2Fixture* fixtureB, int32 indexB, b2BlockAllocator* allocator)
+{
+	void* mem = allocator->Allocate(sizeof(b2ChainAndPolygonContact));
+	return new (mem) b2ChainAndPolygonContact(fixtureA, indexA, fixtureB, indexB);
+}
+
+void b2ChainAndPolygonContact::Destroy(b2Contact* contact, b2BlockAllocator* allocator)
+{
+	((b2ChainAndPolygonContact*)contact)->~b2ChainAndPolygonContact();
+	allocator->Free(contact, sizeof(b2ChainAndPolygonContact));
+}
+
+b2ChainAndPolygonContact::b2ChainAndPolygonContact(b2Fixture* fixtureA, int32 indexA, b2Fixture* fixtureB, int32 indexB)
+: b2Contact(fixtureA, indexA, fixtureB, indexB)
+{
+	b2Assert(m_fixtureA->GetType() == b2Shape::e_chain);
+	b2Assert(m_fixtureB->GetType() == b2Shape::e_polygon);
+}
+
+void b2ChainAndPolygonContact::Evaluate(b2Manifold* manifold, const b2Transform& xfA, const b2Transform& xfB)
+{
+	b2ChainShape* chain = (b2ChainShape*)m_fixtureA->GetShape();
+	b2EdgeShape edge;
+	chain->GetChildEdge(&edge, m_indexA);
+	b2CollideEdgeAndPolygon(	manifold, &edge, xfA,
+								(b2PolygonShape*)m_fixtureB->GetShape(), xfB);
+}