Cyd
2b8ca921cb
Complete disaster-recovery snapshot: engine/game source, game data assets, VC6 toolchain + DX SDKs, build outputs, deployed game, and _UNUSED archive. Large binaries in Git LFS; text preserved byte-for-byte (core.autocrlf=false, no eol attributes). See RECOVERY.md for the one-clone rebuild procedure.
149 lines
3.5 KiB
C++
149 lines
3.5 KiB
C++
//===========================================================================//
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// File: extntbox.hh //
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// Project: MUNGA Brick: Math Library //
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// Contents: Interface specification of bounding box class //
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//---------------------------------------------------------------------------//
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// Date Who Modification //
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// -------- --- ---------------------------------------------------------- //
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// 01/07/95 JMA Initial coding. //
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//---------------------------------------------------------------------------//
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// Copyright (C) 1994-1995 Virtual World Entertainment, Inc. //
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// All Rights reserved worldwide //
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// This unpublished sourcecode is PROPRIETARY and CONFIDENTIAL //
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//===========================================================================//
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#pragma once
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#include "Stuff.hpp"
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#include "Scalar.hpp"
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#include "MArray.hpp"
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#include "Plane.hpp"
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namespace Stuff {class ExtentBox;}
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#if !defined(Spew)
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void
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Spew(
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const char* group,
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const Stuff::ExtentBox& box
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);
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#endif
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namespace Stuff {
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class Vector3D;
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class Point3D;
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class NotationFile;
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class OBB;
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//~~~~~~~~~~~~~~~~~~~~~~~~~ ExtentBox ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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class ExtentBox
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{
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public:
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Scalar
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minX,
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maxX,
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minY,
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maxY,
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minZ,
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maxZ;
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ExtentBox() {}
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ExtentBox(
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const Vector3D &min,
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const Vector3D &max
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);
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ExtentBox(const ExtentBox &box);
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explicit ExtentBox(const OBB& obb);
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const Scalar&
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operator[](int index) const
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{Check_Object(this); return (&minX)[index];}
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Scalar&
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operator[](int index)
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{Check_Object(this); return (&minX)[index];}
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void
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ComputeBounds(ReadOnlyArrayOf<Point3D> &points);
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Scalar
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GetVolume() const
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{Check_Object(this); return (maxX-minX)*(maxY-minY)*(maxZ-minZ);}
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ExtentBox&
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Intersect(
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const ExtentBox &box_1,
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const ExtentBox &box_2
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);
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ExtentBox&
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Union(
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const ExtentBox &box_1,
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const ExtentBox &box_2
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);
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ExtentBox&
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Union(
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const ExtentBox &box_1,
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const Vector3D &point
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);
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Vector3D*
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Constrain(Vector3D *point) const;
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bool
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Contains(const Vector3D &point) const;
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bool
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Contains(const ExtentBox &box) const;
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bool
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Intersects(const ExtentBox &box) const;
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void
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GetCenterpoint(Point3D *point) const;
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void
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TestInstance() const;
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static bool
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TestClass();
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#if !defined(Spew)
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friend void
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::Spew(
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const char* group,
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const ExtentBox& box
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);
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#endif
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};
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//~~~~~~~~~~~~~~~~~~~~~~~~~ ExtentBox functions ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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void
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Use_Scalar_In_Sorted_Array(
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DynamicArrayOf<Scalar> *values,
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Scalar value,
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unsigned *max_index,
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unsigned block_size,
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Scalar threshold = SMALL
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);
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void
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Find_Planes_Of_Boxes(
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DynamicArrayOf<Plane> *planes,
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const DynamicArrayOf<ExtentBox> &boxes
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);
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}
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namespace MemoryStreamIO {
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inline Stuff::MemoryStream&
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Read(
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Stuff::MemoryStream* stream,
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Stuff::ExtentBox *output
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)
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{return stream->ReadBytes(output, sizeof(*output));}
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inline Stuff::MemoryStream&
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Write(
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Stuff::MemoryStream* stream,
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const Stuff::ExtentBox *input
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)
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{return stream->WriteBytes(input, sizeof(*input));}
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}
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