ePath Class Reference

#include <ePath.h>

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List of all members.

Public Member Functions
	ePath ()
	~ePath ()
bool	Valid () const
eCoord &	CurrentPosition () const
eCoord &	CurrentOffset () const
bool	Proceed ()
bool	GoBack ()
void	Clear ()
Protected Member Functions
void	Add (eHalfEdge *edge)
void	Add (const eCoord &point)
Protected Attributes
tArray< eCoord >	positions
tArray< eCoord >	offsets
int	current
Friends
class	eHalfEdge

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Detailed Description

Definition at line 36 of file ePath.h.

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Constructor & Destructor Documentation

ePath::ePath

(

)

Definition at line 415 of file ePath.cpp.

References current.

            {
    current=-1;
}

ePath::~ePath

(

)

Definition at line 419 of file ePath.cpp.

References NULL.

             {
    if ( lastPath == this )
        lastPath = NULL;
}

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Member Function Documentation

bool ePath::Valid

(

)

const [inline]

Definition at line 46 of file ePath.h.

References current, GrowingArrayBase::Len(), and positions.

Referenced by gAIPlayer::ThinkPath().

{ return current >= 0 && current < positions.Len(); }

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eCoord& ePath::CurrentPosition

(

)

const [inline]

Definition at line 47 of file ePath.h.

References current, and positions.

Referenced by gAIPlayer::ThinkPath().

{ return positions(current); }

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eCoord& ePath::CurrentOffset

(

)

const [inline]

Definition at line 48 of file ePath.h.

References current, and offsets.

Referenced by gAIPlayer::ThinkPath().

{ return offsets(current); }

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bool ePath::Proceed

(

)

Definition at line 393 of file ePath.cpp.

References current.

Referenced by gAIPlayer::ThinkPath().

{
    if (current > 0)
    {
        current--;
        return true;
    }
    else
        return false;
}

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bool ePath::GoBack

(

)

Definition at line 404 of file ePath.cpp.

References current, GrowingArrayBase::Len(), and positions.

Referenced by gAIPlayer::ThinkPath().

{
    if (current < positions.Len()-1)
    {
        current++;
        return true;
    }
    else
        return false;
}

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void ePath::Clear

(

)

Definition at line 452 of file ePath.cpp.

References current, offsets, positions, and tArray< T, MALLOC >::SetLen().

Referenced by eHalfEdge::FindPath(), and gAIPlayer::NewObject().

{
    lastPath = this;

    current=-1;

    offsets.SetLen(0);
    positions.SetLen(0);
}

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void ePath::Add

(

eHalfEdge *

edge

)

[protected]

Definition at line 424 of file ePath.cpp.

References current, eCoord, eHalfEdge::Next(), offsets, eHalfEdge::Point(), pos, positions, REAL, sqrt(), and tASSERT.

Referenced by eHalfEdge::FindPath().

{
    tASSERT (e->Point() && e->Next() && e->Next()->Point() && e->Next()->Next() && e->Next()->Next()->Point());

    current++;

    eCoord pos    = *e->Point();
    //  eCoord dir    = e->Vec();
    eCoord offset = ((*e->Next()->Next()->Point() + *e->Next()->Point()) * .5f - pos) * .5f;
    //  offset = offset - dir * (eCoord::F(dir, offset) / dir.NormSquared());

    REAL ol = sqrt(offset.NormSquared());
    if (ol > 1)
        offset = offset * (1/ol);

    positions[current] = pos;
    offsets[current]   = offset;
}

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void ePath::Add

(

const eCoord &

point

)

[protected]

Definition at line 443 of file ePath.cpp.

References current, eCoord, offsets, and positions.

{
    current++;

    positions[current] = point;
    offsets[current]   = eCoord(0, 0);
}

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Friends And Related Function Documentation

friend class eHalfEdge [friend]

Definition at line 42 of file ePath.h.

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Member Data Documentation

tArray<eCoord> ePath::positions [protected]

Definition at line 55 of file ePath.h.

Referenced by Add(), Clear(), CurrentPosition(), GoBack(), and Valid().

tArray<eCoord> ePath::offsets [protected]

Definition at line 56 of file ePath.h.

Referenced by Add(), Clear(), and CurrentOffset().

int ePath::current [protected]

Definition at line 57 of file ePath.h.

Referenced by Add(), Clear(), CurrentOffset(), CurrentPosition(), ePath(), GoBack(), Proceed(), and Valid().

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The documentation for this class was generated from the following files:

• src/engine/ePath.h
• src/engine/ePath.cpp

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