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84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*
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** p_trace.h
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2006 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#ifndef __P_TRACE_H__
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#define __P_TRACE_H__
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#include "r_defs.h"
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enum ETraceResult
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{
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TRACE_HitNone,
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TRACE_HitFloor,
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TRACE_HitCeiling,
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TRACE_HitWall,
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TRACE_HitActor
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};
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enum
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{
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TIER_Middle,
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TIER_Upper,
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TIER_Lower
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};
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struct FTraceResults
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{
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sector_t *Sector;
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fixed_t X, Y, Z;
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fixed_t Distance;
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fixed_t Fraction;
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AActor *Actor; // valid if hit an actor
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line_t *Line; // valid if hit a line
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byte Side;
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byte Tier;
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ETraceResult HitType;
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sector_t *CrossedWater;
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};
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enum
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{
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TRACE_NoSky = 1, // Hitting the sky returns TRACE_HitNone
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TRACE_PCross = 2, // Trigger SPAC_PCROSS lines
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TRACE_Impact = 4, // Trigger SPAC_IMPACT lines
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};
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bool Trace (fixed_t x, fixed_t y, fixed_t z, sector_t *sector,
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fixed_t vx, fixed_t vy, fixed_t vz, fixed_t maxDist,
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DWORD ActorMask, DWORD WallMask, AActor *ignore,
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FTraceResults &res,
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DWORD traceFlags=0, bool (*callback)(FTraceResults &res)=NULL);
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#endif //__P_TRACE_H__
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