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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $Workfile: $
// $Date: $
//
//-----------------------------------------------------------------------------
// $Log: $
//
// $NoKeywords: $
//=============================================================================//
#ifndef TRACE_H
#define TRACE_H
#ifdef _WIN32
#pragma once
#endif
#include "mathlib/mathlib.h"
// Note: These flags need to match the bspfile.h DISPTRI_TAG_* flags.
#define DISPSURF_FLAG_SURFACE (1<<0)
#define DISPSURF_FLAG_WALKABLE (1<<1)
#define DISPSURF_FLAG_BUILDABLE (1<<2)
#define DISPSURF_FLAG_SURFPROP1 (1<<3)
#define DISPSURF_FLAG_SURFPROP2 (1<<4)
//=============================================================================
// Base Trace Structure
// - shared between engine/game dlls and tools (vrad)
//=============================================================================
class CBaseTrace
{
public:
// Displacement flags tests.
bool IsDispSurface( void ) { return ( ( dispFlags & DISPSURF_FLAG_SURFACE ) != 0 ); }
bool IsDispSurfaceWalkable( void ) { return ( ( dispFlags & DISPSURF_FLAG_WALKABLE ) != 0 ); }
bool IsDispSurfaceBuildable( void ) { return ( ( dispFlags & DISPSURF_FLAG_BUILDABLE ) != 0 ); }
bool IsDispSurfaceProp1( void ) { return ( ( dispFlags & DISPSURF_FLAG_SURFPROP1 ) != 0 ); }
bool IsDispSurfaceProp2( void ) { return ( ( dispFlags & DISPSURF_FLAG_SURFPROP2 ) != 0 ); }
public:
// these members are aligned!!
Vector startpos; // start position
Vector endpos; // final position
cplane_t plane; // surface normal at impact
float fraction; // time completed, 1.0 = didn't hit anything
int contents; // contents on other side of surface hit
unsigned short dispFlags; // displacement flags for marking surfaces with data
bool allsolid; // if true, plane is not valid
bool startsolid; // if true, the initial point was in a solid area
CBaseTrace() {}
private:
// No copy constructors allowed
CBaseTrace(const CBaseTrace& vOther);
};
#endif // TRACE_H
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