219 lines
7.1 KiB
C++
219 lines
7.1 KiB
C++
/*******************************************************************************
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Copyright (c) 2005-2009 David Williams
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*******************************************************************************/
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#include "PolyVoxCore/Region.h"
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#include <limits>
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namespace PolyVox
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{
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const Region Region::MaxRegion
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(
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Vector3DInt32((std::numeric_limits<int32_t>::min)(), (std::numeric_limits<int32_t>::min)(), (std::numeric_limits<int32_t>::min)()),
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Vector3DInt32((std::numeric_limits<int32_t>::max)(), (std::numeric_limits<int32_t>::max)(), (std::numeric_limits<int32_t>::max)())
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);
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Region::Region()
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:m_v3dLowerCorner(0,0,0)
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,m_v3dUpperCorner(0,0,0)
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{
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}
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Region::Region(const Vector3DInt32& v3dLowerCorner, const Vector3DInt32& v3dUpperCorner)
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:m_v3dLowerCorner(v3dLowerCorner)
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,m_v3dUpperCorner(v3dUpperCorner)
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{
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//Check the region is valid.
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assert(m_v3dUpperCorner.getX() >= m_v3dLowerCorner.getX());
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assert(m_v3dUpperCorner.getY() >= m_v3dLowerCorner.getY());
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assert(m_v3dUpperCorner.getZ() >= m_v3dLowerCorner.getZ());
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}
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Region::Region(int32_t iLowerX, int32_t iLowerY, int32_t iLowerZ, int32_t iUpperX, int32_t iUpperY, int32_t iUpperZ)
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:m_v3dLowerCorner(iLowerX, iLowerY, iLowerZ)
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,m_v3dUpperCorner(iUpperX, iUpperY, iUpperZ)
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{
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//Check the region is valid.
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assert(m_v3dUpperCorner.getX() >= m_v3dLowerCorner.getX());
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assert(m_v3dUpperCorner.getY() >= m_v3dLowerCorner.getY());
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assert(m_v3dUpperCorner.getZ() >= m_v3dLowerCorner.getZ());
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}
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/**
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Checks whether two Regions are equal.
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\param rhs The Region to compare to.
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\return true if the Regions match.
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\see operator!=
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*/
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bool Region::operator==(const Region& rhs) const throw()
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{
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return ((m_v3dLowerCorner == rhs.m_v3dLowerCorner) && (m_v3dUpperCorner == rhs.m_v3dUpperCorner));
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}
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/**
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Checks whether two Regions are not equal.
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\param rhs The Region to compare to.
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\return true if the Regions do not match.
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\see operator==
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*/
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bool Region::operator!=(const Region& rhs) const throw()
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{
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return !(*this == rhs);
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}
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const Vector3DInt32& Region::getLowerCorner(void) const
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{
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return m_v3dLowerCorner;
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}
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const Vector3DInt32& Region::getUpperCorner(void) const
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{
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return m_v3dUpperCorner;
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}
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void Region::setLowerCorner(const Vector3DInt32& v3dLowerCorner)
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{
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m_v3dLowerCorner = v3dLowerCorner;
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}
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void Region::setUpperCorner(const Vector3DInt32& v3dUpperCorner)
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{
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m_v3dUpperCorner = v3dUpperCorner;
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}
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bool Region::containsPoint(const Vector3DFloat& pos, float boundary) const
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{
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return (pos.getX() <= m_v3dUpperCorner.getX() - boundary)
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&& (pos.getY() <= m_v3dUpperCorner.getY() - boundary)
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&& (pos.getZ() <= m_v3dUpperCorner.getZ() - boundary)
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&& (pos.getX() >= m_v3dLowerCorner.getX() + boundary)
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&& (pos.getY() >= m_v3dLowerCorner.getY() + boundary)
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&& (pos.getZ() >= m_v3dLowerCorner.getZ() + boundary);
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}
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bool Region::containsPoint(const Vector3DInt32& pos, uint8_t boundary) const
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{
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return (pos.getX() <= m_v3dUpperCorner.getX() - boundary)
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&& (pos.getY() <= m_v3dUpperCorner.getY() - boundary)
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&& (pos.getZ() <= m_v3dUpperCorner.getZ() - boundary)
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&& (pos.getX() >= m_v3dLowerCorner.getX() + boundary)
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&& (pos.getY() >= m_v3dLowerCorner.getY() + boundary)
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&& (pos.getZ() >= m_v3dLowerCorner.getZ() + boundary);
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}
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bool Region::containsPointInX(float pos, float boundary) const
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{
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return (pos <= m_v3dUpperCorner.getX() - boundary)
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&& (pos >= m_v3dLowerCorner.getX() + boundary);
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}
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bool Region::containsPointInX(int32_t pos, uint8_t boundary) const
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{
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return (pos <= m_v3dUpperCorner.getX() - boundary)
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&& (pos >= m_v3dLowerCorner.getX() + boundary);
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}
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bool Region::containsPointInY(float pos, float boundary) const
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{
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return (pos <= m_v3dUpperCorner.getY() - boundary)
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&& (pos >= m_v3dLowerCorner.getY() + boundary);
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}
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bool Region::containsPointInY(int32_t pos, uint8_t boundary) const
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{
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return (pos <= m_v3dUpperCorner.getY() - boundary)
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&& (pos >= m_v3dLowerCorner.getY() + boundary);
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}
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bool Region::containsPointInZ(float pos, float boundary) const
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{
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return (pos <= m_v3dUpperCorner.getZ() - boundary)
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&& (pos >= m_v3dLowerCorner.getZ() + boundary);
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}
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bool Region::containsPointInZ(int32_t pos, uint8_t boundary) const
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{
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return (pos <= m_v3dUpperCorner.getZ() - boundary)
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&& (pos >= m_v3dLowerCorner.getZ() + boundary);
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}
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void Region::cropTo(const Region& other)
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{
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m_v3dLowerCorner.setX((std::max)(m_v3dLowerCorner.getX(), other.m_v3dLowerCorner.getX()));
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m_v3dLowerCorner.setY((std::max)(m_v3dLowerCorner.getY(), other.m_v3dLowerCorner.getY()));
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m_v3dLowerCorner.setZ((std::max)(m_v3dLowerCorner.getZ(), other.m_v3dLowerCorner.getZ()));
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m_v3dUpperCorner.setX((std::min)(m_v3dUpperCorner.getX(), other.m_v3dUpperCorner.getX()));
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m_v3dUpperCorner.setY((std::min)(m_v3dUpperCorner.getY(), other.m_v3dUpperCorner.getY()));
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m_v3dUpperCorner.setZ((std::min)(m_v3dUpperCorner.getZ(), other.m_v3dUpperCorner.getZ()));
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}
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/// \deprecated Use getLowerCorner and getUpperCorner instead
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int32_t Region::depth(void) const
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{
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//This function is deprecated and wrong.
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assert(false);
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return m_v3dUpperCorner.getZ() - m_v3dLowerCorner.getZ();
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}
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/// \deprecated Use getLowerCorner and getUpperCorner instead
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int32_t Region::height(void) const
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{
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//This function is deprecated and wrong.
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assert(false);
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return m_v3dUpperCorner.getY() - m_v3dLowerCorner.getY();
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}
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void Region::shift(const Vector3DInt32& amount)
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{
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m_v3dLowerCorner += amount;
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m_v3dUpperCorner += amount;
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}
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void Region::shiftLowerCorner(const Vector3DInt32& amount)
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{
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m_v3dLowerCorner += amount;
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}
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void Region::shiftUpperCorner(const Vector3DInt32& amount)
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{
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m_v3dUpperCorner += amount;
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}
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/// \deprecated Use getLowerCorner and getUpperCorner instead
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Vector3DInt32 Region::dimensions(void)
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{
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//This function is deprecated and wrong.
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assert(false);
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return m_v3dUpperCorner - m_v3dLowerCorner;
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}
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/// \deprecated Use getLowerCorner and getUpperCorner instead
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int32_t Region::width(void) const
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{
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//This function is deprecated and wrong.
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assert(false);
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return m_v3dUpperCorner.getX() - m_v3dLowerCorner.getX();
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}
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}
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