mirror of
https://github.com/ZDoom/gzdoom.git
synced 2024-11-11 07:12:02 +00:00
128 lines
4.1 KiB
C++
128 lines
4.1 KiB
C++
/*
|
|
** p_trace.h
|
|
**
|
|
**---------------------------------------------------------------------------
|
|
** Copyright 1998-2006 Randy Heit
|
|
** All rights reserved.
|
|
**
|
|
** Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions
|
|
** are met:
|
|
**
|
|
** 1. Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** 2. Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in the
|
|
** documentation and/or other materials provided with the distribution.
|
|
** 3. The name of the author may not be used to endorse or promote products
|
|
** derived from this software without specific prior written permission.
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
**---------------------------------------------------------------------------
|
|
**
|
|
*/
|
|
|
|
#ifndef __P_TRACE_H__
|
|
#define __P_TRACE_H__
|
|
|
|
#include <stddef.h>
|
|
#include "actor.h"
|
|
#include "cmdlib.h"
|
|
#include "textures/textures.h"
|
|
|
|
struct sector_t;
|
|
struct line_t;
|
|
class AActor;
|
|
struct F3DFloor;
|
|
|
|
enum ETraceResult
|
|
{
|
|
TRACE_HitNone,
|
|
TRACE_HitFloor,
|
|
TRACE_HitCeiling,
|
|
TRACE_HitWall,
|
|
TRACE_HitActor,
|
|
TRACE_CrossingPortal,
|
|
TRACE_HasHitSky,
|
|
};
|
|
|
|
enum
|
|
{
|
|
TIER_Middle,
|
|
TIER_Upper,
|
|
TIER_Lower,
|
|
TIER_FFloor,
|
|
};
|
|
|
|
struct FTraceResults
|
|
{
|
|
sector_t *Sector;
|
|
FTextureID HitTexture;
|
|
DVector3 HitPos;
|
|
DVector3 HitVector;
|
|
DVector3 SrcFromTarget;
|
|
DAngle SrcAngleFromTarget;
|
|
|
|
double Distance;
|
|
double Fraction;
|
|
|
|
AActor *Actor; // valid if hit an actor
|
|
|
|
line_t *Line; // valid if hit a line
|
|
uint8_t Side;
|
|
uint8_t Tier;
|
|
bool unlinked; // passed through a portal without static offset.
|
|
ETraceResult HitType;
|
|
F3DFloor *ffloor;
|
|
|
|
sector_t *CrossedWater; // For Boom-style, Transfer_Heights-based deep water
|
|
DVector3 CrossedWaterPos; // remember the position so that we can use it for spawning the splash
|
|
F3DFloor *Crossed3DWater; // For 3D floor-based deep water
|
|
DVector3 Crossed3DWaterPos;
|
|
};
|
|
|
|
|
|
enum
|
|
{
|
|
TRACE_NoSky = 0x0001, // Hitting the sky returns TRACE_HitNone
|
|
TRACE_PCross = 0x0002, // Trigger SPAC_PCROSS lines
|
|
TRACE_Impact = 0x0004, // Trigger SPAC_IMPACT lines
|
|
TRACE_PortalRestrict= 0x0008, // Cannot go through portals without a static link offset.
|
|
TRACE_ReportPortals = 0x0010, // Report any portal crossing to the TraceCallback
|
|
TRACE_3DCallback = 0x0020, // [ZZ] use TraceCallback to determine whether we need to go through a line to do 3D floor check, or not. without this, only line flag mask is used
|
|
TRACE_HitSky = 0x0040, // Hitting the sky returns TRACE_HasHitSky
|
|
};
|
|
|
|
// return values from callback
|
|
enum ETraceStatus
|
|
{
|
|
TRACE_Stop, // stop the trace, returning this hit
|
|
TRACE_Continue, // continue the trace, returning this hit if there are none further along
|
|
TRACE_Skip, // continue the trace; do not return this hit
|
|
TRACE_Abort, // stop the trace, returning no hits
|
|
};
|
|
|
|
bool Trace(const DVector3 &start, sector_t *sector, const DVector3 &direction, double maxDist,
|
|
ActorFlags ActorMask, uint32_t WallMask, AActor *ignore, FTraceResults &res, uint32_t traceFlags = 0,
|
|
ETraceStatus(*callback)(FTraceResults &res, void *) = NULL, void *callbackdata = NULL);
|
|
|
|
// [ZZ] this is the object that's used for ZScript
|
|
class DLineTracer : public DObject
|
|
{
|
|
DECLARE_CLASS(DLineTracer, DObject)
|
|
public:
|
|
FTraceResults Results;
|
|
static ETraceStatus TraceCallback(FTraceResults& res, void* pthis);
|
|
ETraceStatus CallZScriptCallback();
|
|
};
|
|
|
|
#endif //__P_TRACE_H__
|