mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-11-15 00:51:24 +00:00
95 lines
2.4 KiB
C++
95 lines
2.4 KiB
C++
// Emacs style mode select -*- C++ -*-
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// $Id:$
|
|
//
|
|
// Copyright (C) 1993-1996 by id Software, Inc.
|
|
//
|
|
// This source is available for distribution and/or modification
|
|
// only under the terms of the DOOM Source Code License as
|
|
// published by id Software. All rights reserved.
|
|
//
|
|
// The source is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
|
|
// for more details.
|
|
//
|
|
// DESCRIPTION:
|
|
// Nil.
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#ifndef __M_BBOX_H__
|
|
#define __M_BBOX_H__
|
|
|
|
#include <float.h>
|
|
#include "vectors.h"
|
|
#include "m_fixed.h"
|
|
|
|
struct line_t;
|
|
struct node_t;
|
|
|
|
class FBoundingBox
|
|
{
|
|
public:
|
|
FBoundingBox()
|
|
{
|
|
ClearBox();
|
|
}
|
|
|
|
FBoundingBox(double left, double bottom, double right, double top)
|
|
{
|
|
m_Box[BOXTOP] = top;
|
|
m_Box[BOXLEFT] = left;
|
|
m_Box[BOXRIGHT] = right;
|
|
m_Box[BOXBOTTOM] = bottom;
|
|
}
|
|
|
|
FBoundingBox(double x, double y, double radius)
|
|
{
|
|
setBox(x, y, radius);
|
|
}
|
|
|
|
|
|
void setBox(double x, double y, double radius)
|
|
{
|
|
m_Box[BOXTOP] = y + radius;
|
|
m_Box[BOXLEFT] = x - radius;
|
|
m_Box[BOXRIGHT] = x + radius;
|
|
m_Box[BOXBOTTOM] = y - radius;
|
|
}
|
|
|
|
void ClearBox ()
|
|
{
|
|
m_Box[BOXTOP] = m_Box[BOXRIGHT] = -FLT_MAX;
|
|
m_Box[BOXBOTTOM] = m_Box[BOXLEFT] = FLT_MAX;
|
|
}
|
|
|
|
// Returns a bounding box that encloses both bounding boxes
|
|
FBoundingBox operator | (const FBoundingBox &box2) const
|
|
{
|
|
return FBoundingBox(m_Box[BOXLEFT] < box2.m_Box[BOXLEFT] ? m_Box[BOXLEFT] : box2.m_Box[BOXLEFT],
|
|
m_Box[BOXBOTTOM] < box2.m_Box[BOXBOTTOM] ? m_Box[BOXBOTTOM] : box2.m_Box[BOXBOTTOM],
|
|
m_Box[BOXRIGHT] > box2.m_Box[BOXRIGHT] ? m_Box[BOXRIGHT] : box2.m_Box[BOXRIGHT],
|
|
m_Box[BOXTOP] > box2.m_Box[BOXTOP] ? m_Box[BOXTOP] : box2.m_Box[BOXTOP]);
|
|
}
|
|
|
|
void AddToBox(const DVector2 &pos);
|
|
|
|
inline double Top () const { return m_Box[BOXTOP]; }
|
|
inline double Bottom () const { return m_Box[BOXBOTTOM]; }
|
|
inline double Left () const { return m_Box[BOXLEFT]; }
|
|
inline double Right () const { return m_Box[BOXRIGHT]; }
|
|
|
|
bool inRange(const line_t *ld) const;
|
|
|
|
int BoxOnLineSide (const line_t *ld) const;
|
|
|
|
void Set(int index, double value) {m_Box[index] = value;}
|
|
|
|
protected:
|
|
double m_Box[4];
|
|
};
|
|
|
|
|
|
#endif //__M_BBOX_H__
|