Halo Class Reference

#include <halo.h>

Public Member Functions
	~Halo ()
	Halo (const char *texture, const GFXColor &col=TranslucentWhite, const QVector &pos=ZeroQvector, float sizx=1, float sizy=1)
void	Draw (const Transformation &quat=identity_transformation, const Matrix &m=identity_matrix, float alpha=-1)
void	SetDimensions (float wid, float hei)
void	SetPosition (const QVector &k)
QVector &	Position ()
void	SetColor (const GFXColor &col)
void	GetDimensions (float &wid, float &hei)

Static Public Member Functions
static void	ProcessDrawQueue ()

Detailed Description

Definition at line 11 of file halo.h.

Constructor & Destructor Documentation

Halo::~Halo

(

)

Definition at line 32 of file halo.cpp.

References DecalQueue::DelTexture(), and halodrawqueue.

{
    halodrawqueue[decal]->DelQuad( quadnum );
    if ( halodecal.DelTexture( decal ) ) {
        delete halodrawqueue[decal];         //deletes the quad
        halodrawqueue[decal] = NULL;
    }
}

Halo::Halo	(	const char *	texture,
		const GFXColor &	col = TranslucentWhite,
		const QVector &	pos = ZeroQvector,
		float	sizx = 1,
		float	sizy = 1
	)

Definition at line 14 of file halo.cpp.

References DecalQueue::AddTexture(), GFXTRUE, halodrawqueue, MIPMAP, and GFXColorVertex::SetColor().

{
    string texname( texture );
    position = pos;
    sizex    = sizx;
    sizey    = sizy;
    decal    = halodecal.AddTexture( texture, MIPMAP );
    if ( ( (unsigned int) decal ) >= halodrawqueue.size() )
        halodrawqueue.push_back( new GFXQuadList( GFXTRUE ) );
    GFXColorVertex coltmp[4];
    coltmp[0].SetColor( col );
    coltmp[1].SetColor( col );
    coltmp[2].SetColor( col );
    coltmp[3].SetColor( col );

    quadnum = halodrawqueue[decal]->AddQuad( NULL, coltmp );
}

Member Function Documentation

void Halo::Draw	(	const Transformation &	quat = identity_transformation,
		const Matrix &	m = identity_matrix,
		float	alpha = -1
	)

Definition at line 41 of file halo.cpp.

References CalculateOrientation(), VegaConfig::getVariable(), halodrawqueue, XMLSupport::parse_bool(), XMLSupport::parse_float(), q, QVector, Vector, and vs_config.

{
    Vector       p, q, r;
    QVector      pos;
    static float HaloOffset = XMLSupport::parse_float( vs_config->getVariable( "graphics", "HaloOffset", ".1" ) );
    pos = position.Transform( m );
    float        wid = sizex;
    float        hei = sizey;
    static bool  far_shine =
        XMLSupport::parse_bool( vs_config->getVariable( "graphics", "draw_star_glow_halo",
                                                        "false" ) ) || XMLSupport::parse_bool(
            vs_config->getVariable( "graphics", "HaloFarDraw", "false" ) );
    CalculateOrientation( pos, p, q, r, wid, hei, HaloOffset, far_shine, NULL );
    p = p*wid;
    r = -r;
    q = q*hei;
    //offset = r*(sizex>sizey?sizex:sizey); //screws up cus of perspective
    GFXVertex tmp[4] = {
        GFXVertex( pos-(p+q).Cast(), r, 0, 1 ),
        GFXVertex( pos+(p-q).Cast(), r, 1, 1 ),
        GFXVertex( pos+(p+q).Cast(), r, 1, 0 ),
        GFXVertex( pos-(p-q).Cast(), r, 0, 0 )
    };
    halodrawqueue[decal]->ModQuad( quadnum, tmp, alpha );
}

void Halo::GetDimensions ( float &  wid, float &  hei  )

inline

Definition at line 40 of file halo.h.

    {
        wid = sizex;
        hei = sizey;
    }

QVector& Halo::Position ( )

inline

Definition at line 35 of file halo.h.

    {
        return position;
    }

void Halo::ProcessDrawQueue ( )

static

Definition at line 77 of file halo.cpp.

References CULLFACE, DEPTHWRITE, DecalQueue::GetTexture(), GFXBlendMode(), GFXDisable(), GFXEnable(), GFXLoadIdentity(), GFXPopBlendMode(), GFXPushBlendMode(), halodrawqueue, LIGHTING, Texture::MakeActive(), MODEL, ONE, TEXTURE0, and TEXTURE1.

Referenced by GameStarSystem::Draw().

{
    GFXDisable( LIGHTING );
    GFXDisable( DEPTHWRITE );
    GFXPushBlendMode();
    GFXBlendMode( ONE, ONE );
    GFXEnable( TEXTURE0 );
    GFXDisable( TEXTURE1 );
    GFXLoadIdentity( MODEL );
    for (unsigned int decal = 0; decal < halodrawqueue.size(); decal++)
        if ( halodecal.GetTexture( decal ) ) {
            halodecal.GetTexture( decal )->MakeActive();
            halodrawqueue[decal]->Draw();
        }
    GFXEnable( DEPTHWRITE );
    GFXEnable( CULLFACE );
    GFXDisable( LIGHTING );
    GFXPopBlendMode();
}

void Halo::SetColor

(

const GFXColor &

col)

Definition at line 66 of file halo.cpp.

References halodrawqueue, and GFXColorVertex::SetColor().

{
    GFXColorVertex coltmp[4];
    coltmp[0].SetColor( col );
    coltmp[1].SetColor( col );
    coltmp[2].SetColor( col );
    coltmp[3].SetColor( col );

    halodrawqueue[decal]->ModQuad( quadnum, coltmp );
}

void Halo::SetDimensions ( float  wid, float  hei  )

inline

Definition at line 26 of file halo.h.

    {
        sizex = wid;
        sizey = hei;
    }

void Halo::SetPosition ( const QVector &  k)

inline

Definition at line 31 of file halo.h.

    {
        position = k;
    }

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

• src/gfx/halo.h
• src/gfx/halo.cpp