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12b372f89c
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant@1 8a3a26a2-13c4-0310-b231-cf6edde360e5
71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#if !defined(INCLUDED_CULLABLE_H)
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#define INCLUDED_CULLABLE_H
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#include "generic/constant.h"
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template<typename Element> class BasicVector3;
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typedef BasicVector3<float> Vector3;
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class Plane3;
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class Matrix4;
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class AABB;
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class Segment;
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template<typename Enumeration> class EnumeratedValue;
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struct VolumeIntersection;
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typedef EnumeratedValue<VolumeIntersection> VolumeIntersectionValue;
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class VolumeTest
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{
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public:
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/// \brief Returns true if \p point intersects volume.
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virtual bool TestPoint(const Vector3& point) const = 0;
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/// \brief Returns true if \p segment intersects volume.
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virtual bool TestLine(const Segment& segment) const = 0;
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/// \brief Returns true if \p plane faces towards volume.
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virtual bool TestPlane(const Plane3& plane) const = 0;
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/// \brief Returns true if \p plane transformed by \p localToWorld faces the viewer.
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virtual bool TestPlane(const Plane3& plane, const Matrix4& localToWorld) const = 0;
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/// \brief Returns the intersection of \p aabb and volume.
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virtual VolumeIntersectionValue TestAABB(const AABB& aabb) const = 0;
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/// \brief Returns the intersection of \p aabb transformed by \p localToWorld and volume.
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virtual VolumeIntersectionValue TestAABB(const AABB& aabb, const Matrix4& localToWorld) const = 0;
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virtual bool fill() const = 0;
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virtual const Matrix4& GetViewport() const = 0;
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virtual const Matrix4& GetProjection() const = 0;
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virtual const Matrix4& GetModelview() const = 0;
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};
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class Cullable
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{
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public:
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STRING_CONSTANT(Name, "Cullable");
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virtual VolumeIntersectionValue intersectVolume(const VolumeTest& test, const Matrix4& localToWorld) const = 0;
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};
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#endif
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