namespace PolyVox
{
const Region Region::MaxRegion
(
Vector3DInt32((std::numeric_limits<int32_t>::min)(), (std::numeric_limits<int32_t>::min)(), (std::numeric_limits<int32_t>::min)()),
Vector3DInt32((std::numeric_limits<int32_t>::max)(), (std::numeric_limits<int32_t>::max)(), (std::numeric_limits<int32_t>::max)())
);
Region::Region()
:m_v3dLowerCorner(0,0,0)
,m_v3dUpperCorner(0,0,0)
{
}
Region::Region(const Vector3DInt32& v3dLowerCorner, const Vector3DInt32& v3dUpperCorner)
:m_v3dLowerCorner(v3dLowerCorner)
,m_v3dUpperCorner(v3dUpperCorner)
{
//Check the region is valid.
assert(m_v3dUpperCorner.getX() >= m_v3dLowerCorner.getX());
assert(m_v3dUpperCorner.getY() >= m_v3dLowerCorner.getY());
assert(m_v3dUpperCorner.getZ() >= m_v3dLowerCorner.getZ());
}
Region::Region(int32_t iLowerX, int32_t iLowerY, int32_t iLowerZ, int32_t iUpperX, int32_t iUpperY, int32_t iUpperZ)
:m_v3dLowerCorner(iLowerX, iLowerY, iLowerZ)
,m_v3dUpperCorner(iUpperX, iUpperY, iUpperZ)
{
//Check the region is valid.
assert(m_v3dUpperCorner.getX() >= m_v3dLowerCorner.getX());
assert(m_v3dUpperCorner.getY() >= m_v3dLowerCorner.getY());
assert(m_v3dUpperCorner.getZ() >= m_v3dLowerCorner.getZ());
}
/**
Checks whether two Regions are equal.
\param rhs The Region to compare to.
\return true if the Regions match.
\see operator!=
*/
bool Region::operator==(const Region& rhs) const
{
return ((m_v3dLowerCorner == rhs.m_v3dLowerCorner) && (m_v3dUpperCorner == rhs.m_v3dUpperCorner));
}
/**
Checks whether two Regions are not equal.
\param rhs The Region to compare to.
\return true if the Regions do not match.
\see operator==
*/
bool Region::operator!=(const Region& rhs) const
{
return !(*this == rhs);
}
const Vector3DInt32& Region::getLowerCorner(void) const
{
return m_v3dLowerCorner;
}
const Vector3DInt32& Region::getUpperCorner(void) const
{
return m_v3dUpperCorner;
}
int32_t Region::getWidthInVoxels(void) const
{
return getWidthInCells() + 1;
}
int32_t Region::getHeightInVoxels(void) const
{
return getHeightInCells() + 1;
}
int32_t Region::getDepthInVoxels(void) const
{
return getDepthInCells() + 1;
}
Vector3DInt32 Region::getDimensionsInVoxels(void) const
{
return getDimensionsInCells() + Vector3DInt32(1, 1, 1);
}
int32_t Region::getWidthInCells(void) const
{
return m_v3dUpperCorner.getX() - m_v3dLowerCorner.getX();
}
int32_t Region::getHeightInCells(void) const
{
return m_v3dUpperCorner.getY() - m_v3dLowerCorner.getY();
}
Vector3DInt32 Region::getDimensionsInCells(void) const
{
return m_v3dUpperCorner - m_v3dLowerCorner;
}
int32_t Region::getDepthInCells(void) const
{
return m_v3dUpperCorner.getZ() - m_v3dLowerCorner.getZ();
}
void Region::setLowerCorner(const Vector3DInt32& v3dLowerCorner)
{
m_v3dLowerCorner = v3dLowerCorner;
}
void Region::setUpperCorner(const Vector3DInt32& v3dUpperCorner)
{
m_v3dUpperCorner = v3dUpperCorner;
}
bool Region::containsPoint(const Vector3DFloat& pos, float boundary) const
{
return (pos.getX() <= m_v3dUpperCorner.getX() - boundary)
&& (pos.getY() <= m_v3dUpperCorner.getY() - boundary)
&& (pos.getZ() <= m_v3dUpperCorner.getZ() - boundary)
&& (pos.getX() >= m_v3dLowerCorner.getX() + boundary)
&& (pos.getY() >= m_v3dLowerCorner.getY() + boundary)
&& (pos.getZ() >= m_v3dLowerCorner.getZ() + boundary);
}
bool Region::containsPoint(const Vector3DInt32& pos, uint8_t boundary) const
{
return (pos.getX() <= m_v3dUpperCorner.getX() - boundary)
&& (pos.getY() <= m_v3dUpperCorner.getY() - boundary)
&& (pos.getZ() <= m_v3dUpperCorner.getZ() - boundary)
&& (pos.getX() >= m_v3dLowerCorner.getX() + boundary)
&& (pos.getY() >= m_v3dLowerCorner.getY() + boundary)
&& (pos.getZ() >= m_v3dLowerCorner.getZ() + boundary);
}
bool Region::containsPointInX(float pos, float boundary) const
{
return (pos <= m_v3dUpperCorner.getX() - boundary)
&& (pos >= m_v3dLowerCorner.getX() + boundary);
}
bool Region::containsPointInX(int32_t pos, uint8_t boundary) const
{
return (pos <= m_v3dUpperCorner.getX() - boundary)
&& (pos >= m_v3dLowerCorner.getX() + boundary);
}
bool Region::containsPointInY(float pos, float boundary) const
{
return (pos <= m_v3dUpperCorner.getY() - boundary)
&& (pos >= m_v3dLowerCorner.getY() + boundary);
}
bool Region::containsPointInY(int32_t pos, uint8_t boundary) const
{
return (pos <= m_v3dUpperCorner.getY() - boundary)
&& (pos >= m_v3dLowerCorner.getY() + boundary);
}
bool Region::containsPointInZ(float pos, float boundary) const
{
return (pos <= m_v3dUpperCorner.getZ() - boundary)
&& (pos >= m_v3dLowerCorner.getZ() + boundary);
}
bool Region::containsPointInZ(int32_t pos, uint8_t boundary) const
{
return (pos <= m_v3dUpperCorner.getZ() - boundary)
&& (pos >= m_v3dLowerCorner.getZ() + boundary);
}
void Region::cropTo(const Region& other)
{
m_v3dLowerCorner.setX((std::max)(m_v3dLowerCorner.getX(), other.m_v3dLowerCorner.getX()));
m_v3dLowerCorner.setY((std::max)(m_v3dLowerCorner.getY(), other.m_v3dLowerCorner.getY()));
m_v3dLowerCorner.setZ((std::max)(m_v3dLowerCorner.getZ(), other.m_v3dLowerCorner.getZ()));
m_v3dUpperCorner.setX((std::min)(m_v3dUpperCorner.getX(), other.m_v3dUpperCorner.getX()));
m_v3dUpperCorner.setY((std::min)(m_v3dUpperCorner.getY(), other.m_v3dUpperCorner.getY()));
m_v3dUpperCorner.setZ((std::min)(m_v3dUpperCorner.getZ(), other.m_v3dUpperCorner.getZ()));
}
/// \deprecated Use getDepthInVoxels() or getDepthInCells() instead
int32_t Region::depth(void) const
{
//This function is deprecated and wrong.
assert(false);
return m_v3dUpperCorner.getZ() - m_v3dLowerCorner.getZ();
}
/// \deprecated Use getHeightInVoxels() or getHeightInCells() instead
int32_t Region::height(void) const
{
//This function is deprecated and wrong.
assert(false);
return m_v3dUpperCorner.getY() - m_v3dLowerCorner.getY();
}
void Region::shift(const Vector3DInt32& amount)
{
m_v3dLowerCorner += amount;
m_v3dUpperCorner += amount;
}
void Region::shiftLowerCorner(const Vector3DInt32& amount)
{
m_v3dLowerCorner += amount;
}
void Region::shiftUpperCorner(const Vector3DInt32& amount)
{
m_v3dUpperCorner += amount;
}
/// \deprecated Use getDimensionsInVoxels() or getDimensionsInCells() instead
Vector3DInt32 Region::dimensions(void)
{
//This function is deprecated and wrong.
assert(false);
return m_v3dUpperCorner - m_v3dLowerCorner;
}
/// \deprecated Use getWidthInVoxels() or getWidthInCells() instead
int32_t Region::width(void) const
{
//This function is deprecated and wrong.
assert(false);
return m_v3dUpperCorner.getX() - m_v3dLowerCorner.getX();
}
}
namespace PolyVox
{
const Vector3DInt32 arrayPathfinderFaces[6] =
{
Vector3DInt32(0, 0, -1),
Vector3DInt32(0, 0, +1),
Vector3DInt32(0, -1, 0),
Vector3DInt32(0, +1, 0),
Vector3DInt32(-1, 0, 0),
Vector3DInt32(+1, 0, 0)
};
const Vector3DInt32 arrayPathfinderEdges[12] =
{
Vector3DInt32(0, -1, -1),
Vector3DInt32(0, -1, +1),
Vector3DInt32(0, +1, -1),
Vector3DInt32(0, +1, +1),
Vector3DInt32(-1, 0, -1),
Vector3DInt32(-1, 0, +1),
Vector3DInt32(+1, 0, -1),
Vector3DInt32(+1, 0, +1),
Vector3DInt32(-1, -1, 0),
Vector3DInt32(-1, +1, 0),
Vector3DInt32(+1, -1, 0),
Vector3DInt32(+1, +1, 0)
};
const Vector3DInt32 arrayPathfinderCorners[8] =
{
Vector3DInt32(-1, -1, -1),
Vector3DInt32(-1, -1, +1),
Vector3DInt32(-1, +1, -1),
Vector3DInt32(-1, +1, +1),
Vector3DInt32(+1, -1, -1),
Vector3DInt32(+1, -1, +1),
Vector3DInt32(+1, +1, -1),
Vector3DInt32(+1, +1, +1)
};
}
Vector3DInt32 Region::getDimensionsInVoxels(void) const
{
return getDimensionsInCells() + Vector3DInt32(1, 1, 1);
}