//========= 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); fuk u >:)
};

#endif  // TRACE_H