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.
60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
/**********************************************************************
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*<
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FILE: interval.h
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DESCRIPTION: Defines TimeValue and Interval Classes
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CREATED BY: Rolf Berteig
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HISTORY: created 13 September 1994
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950818 - Added methods for setting start/end individually (gus)
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*> Copyright (c) 1994, All Rights Reserved.
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**********************************************************************/
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#ifndef _INTERVAL_H_
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#define _INTERVAL_H_
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class Interval {
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private:
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TimeValue start;
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TimeValue end;
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public:
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/*
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Constructors:
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*/
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CoreExport Interval( TimeValue s, TimeValue e );
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Interval() { SetEmpty(); }
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int operator==( const Interval& i ) { return( i.start==start && i.end==end ); }
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CoreExport int InInterval(const TimeValue t);
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int InInterval(const Interval interval) { return InInterval( interval.Start() ) && InInterval( interval.End() ); }
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int Empty() { return (start == TIME_NegInfinity) && (end == TIME_NegInfinity); }
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void Set ( TimeValue s, TimeValue e ) { start = s; end = e; }
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void SetStart ( TimeValue s ) { start = s; }
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void SetEnd ( TimeValue e ) { end = e; }
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void SetEmpty() { start = TIME_NegInfinity; end = TIME_NegInfinity; }
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void SetInfinite() { start = TIME_NegInfinity; end = TIME_PosInfinity; }
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void SetInstant(const TimeValue t) { start = end = t; }
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TimeValue Start() const { return start; }
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TimeValue End() const { return end; }
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TimeValue Duration() const { return end-start+TimeValue(1); } // end points included
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// intersection of intervals
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CoreExport Interval operator&(const Interval i) const;
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Interval& operator&=(const Interval i) { return (*this = (*this&i)); }
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Interval& operator+=(const TimeValue t) { if (t<start) start=t; if (t>end) end=t; return *this; }
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};
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#define FOREVER Interval(TIME_NegInfinity, TIME_PosInfinity)
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#define NEVER Interval(TIME_NegInfinity, TIME_NegInfinity)
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#endif
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