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engines/hpl1/engine/libraries/newton/physics/dgCollisionNull.cpp

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+/* Copyright (c) <2003-2011> <Julio Jerez, Newton Game Dynamics>
+ *
+ * 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 "dgCollisionNull.h"
+#include "dgBody.h"
+#include "dgContact.h"
+#include "hpl1/engine/libraries/newton/core/dg.h"
+
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+dgCollisionNull::dgCollisionNull(dgMemoryAllocator *const allocator,
+                                 dgUnsigned32 signature) : dgCollisionConvex(allocator, signature, dgGetIdentityMatrix(),
+	                                         m_nullCollision) {
+	m_rtti |= dgCollisionNull_RTTI;
+}
+
+dgCollisionNull::dgCollisionNull(dgWorld *const world,
+                                 dgDeserialize deserialization, void *const userData) : dgCollisionConvex(world, deserialization, userData) {
+	m_rtti |= dgCollisionNull_RTTI;
+}
+
+void dgCollisionNull::Serialize(dgSerialize callback,
+                                void *const userData) const {
+	SerializeLow(callback, userData);
+}
+
+dgCollisionNull::~dgCollisionNull() {
+}
+
+void dgCollisionNull::SetCollisionBBox(const dgVector &p0__,
+                                       const dgVector &p1__) {
+	NEWTON_ASSERT(0);
+}
+
+void dgCollisionNull::DebugCollision(const dgMatrix &matrixPtr,
+                                     OnDebugCollisionMeshCallback callback, void *const userData) const {
+}
+
+dgInt32 dgCollisionNull::CalculateSignature() const {
+	return dgInt32(GetSignature());
+}
+
+void dgCollisionNull::CalcAABB(const dgMatrix &matrix, dgVector &p0,
+                               dgVector &p1) const {
+	p0.m_x = matrix[3][0];
+	p1.m_x = matrix[3][0];
+
+	p0.m_y = matrix[3][1];
+	p1.m_y = matrix[3][1];
+
+	p0.m_z = matrix[3][2];
+	p1.m_z = matrix[3][2];
+
+	p0.m_w = 1.0f;
+	p1.m_w = 1.0f;
+}
+
+void dgCollisionNull::CalcAABBSimd(const dgMatrix &matrix, dgVector &p0,
+                                   dgVector &p1) const {
+	CalcAABB(matrix, p0, p1);
+}
+
+dgVector dgCollisionNull::SupportVertex(const dgVector &dir) const {
+	NEWTON_ASSERT(0);
+	return dgVector(dgFloat32(0.0f), dgFloat32(0.0f), dgFloat32(0.0f),
+	                dgFloat32(0.0f));
+}
+
+dgVector dgCollisionNull::SupportVertexSimd(const dgVector &dir) const {
+	NEWTON_ASSERT(0);
+	return dgVector(dgFloat32(0.0f), dgFloat32(0.0f), dgFloat32(0.0f),
+	                dgFloat32(0.0f));
+}
+
+dgFloat32 dgCollisionNull::GetVolume() const {
+	return 0.0f;
+}
+
+dgFloat32 dgCollisionNull::RayCast(const dgVector &localP0,
+                                   const dgVector &localP1, dgContactPoint &contactOut,
+                                   OnRayPrecastAction preFilter, const dgBody *const body,
+                                   void *const userData) const {
+	return dgFloat32(1.2f);
+}
+
+dgFloat32 dgCollisionNull::RayCastSimd(const dgVector &localP0,
+                                       const dgVector &localP1, dgContactPoint &contactOut,
+                                       OnRayPrecastAction preFilter, const dgBody *const body,
+                                       void *const userData) const {
+	return dgFloat32(1.2f);
+}
+
+dgVector dgCollisionNull::CalculateVolumeIntegral(const dgMatrix &matrix__,
+        GetBuoyancyPlane buoyancuPlane__, void *context__) const {
+	NEWTON_ASSERT(0);
+	return dgVector(0.0f, 0.0f, 0.0f, 0.0f);
+}
+
+void dgCollisionNull::CalculateInertia(dgVector &inertia,
+                                       dgVector &origin) const {
+	inertia.m_x = dgFloat32(0.0f);
+	inertia.m_y = dgFloat32(0.0f);
+	inertia.m_z = dgFloat32(0.0f);
+
+	origin.m_x = dgFloat32(0.0f);
+	origin.m_y = dgFloat32(0.0f);
+	origin.m_z = dgFloat32(0.0f);
+}