Ported Bullet to the mod loader system; needs further work

Mod Sources/Bullet/include/bullet/BulletMultiThreaded/SpuNarrowPhaseCollisionTask/Box.h

@@ -0,0 +1,167 @@
+/*
+   Copyright (C) 2006, 2008 Sony Computer Entertainment Inc.
+   All rights reserved.
+
+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 __BOX_H__
+#define __BOX_H__
+
+
+#ifndef PE_REF
+#define PE_REF(a) a&
+#endif
+
+#include <math.h>
+
+#include "vectormath/vmInclude.h"
+#include "../PlatformDefinitions.h"
+
+
+
+
+enum FeatureType { F, E, V };
+
+//----------------------------------------------------------------------------
+// Box
+//----------------------------------------------------------------------------
+///The Box is an internal class used by the boxBoxDistance calculation.
+class Box
+{
+public:
+	vmVector3 mHalf;
+
+	inline Box()
+	{}
+	inline Box(PE_REF(vmVector3) half_);
+	inline Box(float hx, float hy, float hz);
+
+	inline void Set(PE_REF(vmVector3) half_);
+	inline void Set(float hx, float hy, float hz);
+
+	inline vmVector3 GetAABB(const vmMatrix3& rotation) const;
+};
+
+inline
+Box::Box(PE_REF(vmVector3) half_)
+{
+	Set(half_);
+}
+
+inline
+Box::Box(float hx, float hy, float hz)
+{
+	Set(hx, hy, hz);
+}
+
+inline
+void
+Box::Set(PE_REF(vmVector3) half_)
+{
+	mHalf = half_;
+}
+
+inline
+void
+Box::Set(float hx, float hy, float hz)
+{
+	mHalf = vmVector3(hx, hy, hz);
+}
+
+inline
+vmVector3
+Box::GetAABB(const vmMatrix3& rotation) const
+{
+	return absPerElem(rotation) * mHalf;
+}
+
+//-------------------------------------------------------------------------------------------------
+// BoxPoint
+//-------------------------------------------------------------------------------------------------
+
+///The BoxPoint class is an internally used class to contain feature information for boxBoxDistance calculation.
+class BoxPoint
+{
+public:
+	BoxPoint() : localPoint(0.0f) {}
+
+	vmPoint3      localPoint;
+	FeatureType featureType;
+	int         featureIdx;
+
+	inline void setVertexFeature(int plusX, int plusY, int plusZ);
+	inline void setEdgeFeature(int dim0, int plus0, int dim1, int plus1);
+	inline void setFaceFeature(int dim, int plus);
+
+	inline void getVertexFeature(int & plusX, int & plusY, int & plusZ) const;
+	inline void getEdgeFeature(int & dim0, int & plus0, int & dim1, int & plus1) const;
+	inline void getFaceFeature(int & dim, int & plus) const;
+};
+
+inline
+void
+BoxPoint::setVertexFeature(int plusX, int plusY, int plusZ)
+{
+	featureType = V;
+	featureIdx = plusX << 2 | plusY << 1 | plusZ;
+}
+
+inline
+void
+BoxPoint::setEdgeFeature(int dim0, int plus0, int dim1, int plus1)
+{
+	featureType = E;
+
+	if (dim0 > dim1) {
+		featureIdx = plus1 << 5 | dim1 << 3 | plus0 << 2 | dim0;
+	} else {
+		featureIdx = plus0 << 5 | dim0 << 3 | plus1 << 2 | dim1;
+	}
+}
+
+inline
+void
+BoxPoint::setFaceFeature(int dim, int plus)
+{
+	featureType = F;
+	featureIdx = plus << 2 | dim;
+}
+
+inline
+void
+BoxPoint::getVertexFeature(int & plusX, int & plusY, int & plusZ) const
+{
+	plusX = featureIdx >> 2;
+	plusY = featureIdx >> 1 & 1;
+	plusZ = featureIdx & 1;
+}
+
+inline
+void
+BoxPoint::getEdgeFeature(int & dim0, int & plus0, int & dim1, int & plus1) const
+{
+	plus0 = featureIdx >> 5;
+	dim0 = featureIdx >> 3 & 3;
+	plus1 = featureIdx >> 2 & 1;
+	dim1 = featureIdx & 3;
+}
+
+inline
+void
+BoxPoint::getFaceFeature(int & dim, int & plus) const
+{
+	plus = featureIdx >> 2;
+	dim = featureIdx & 3;
+}
+
+#endif /* __BOX_H__ */