engine/components/graphics/discrenderer/discrenderercomponent.cpp

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/******************************************************************************
 * This file is part of the Gluon Development Platform
 * Copyright (C) 2010 Kim Jung Nissen <jungnissen@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
#include "discrenderercomponent.h"

#include "graphics/meshes/discmesh.h"
#include "graphics/item.h"
#include "engine/gameobject.h"
#include "engine/asset.h"

#include <QMimeData>

REGISTER_OBJECTTYPE( GluonEngine, DiscRendererComponent )

using namespace GluonEngine;

class DiscRendererComponent::DiscRendererComponentPrivate
{
    public:
        DiscRendererComponentPrivate()
        {
            item = 0;
            mesh = 0;
            texture = 0;
            nbPoints = 3;
            radius = 5.0f;
            color.setRgb( 255, 255, 255 );
        }

        GluonGraphics::Item* item;
        GluonGraphics::DiscMesh* mesh;

        GluonEngine::Asset* texture;

        uint nbPoints;
        float radius;
        QColor color;
};

DiscRendererComponent::DiscRendererComponent( QObject* parent )
    : Component( parent )
    , d( new DiscRendererComponentPrivate )
{
}

DiscRendererComponent::DiscRendererComponent( const DiscRendererComponent& other )
    : Component( other )
    , d( other.d )
{
}

DiscRendererComponent::~DiscRendererComponent()
{
    delete d;
}

QString
DiscRendererComponent::category() const
{
    return QString( "Graphics Rendering" );
}

void DiscRendererComponent::initialize()
{
    if( !d->item )
    {
        d->mesh = new GluonGraphics::DiscMesh( this->gameObject()->position(), d->radius, d->nbPoints, d->color, this );
        d->item = new GluonGraphics::Item( d->mesh, this );
        d->item->setColor( d->color );
    }

    if( d->texture )
    {
        if( !d->texture->isLoaded() )
            d->texture->load();

        const QMimeData* data = d->texture->data();
        if( data->hasImage() )
        {
            d->mesh->setTexture( data->imageData().value<QImage>() );
        }
    }
}

void DiscRendererComponent::start()
{
}

void DiscRendererComponent::draw( int timeLapse )
{
    Q_UNUSED( timeLapse )

    if( d->item )
    {
        d->item->setMatrix( gameObject()->transform() );
    }
}

void DiscRendererComponent::cleanup()
{
    if( d->item )
    {
        delete d->item;
        d->item = 0;
        d->mesh = 0;
    }
}

float DiscRendererComponent::radius()
{
    return d->radius;
}

void DiscRendererComponent::setRadius( float newRadius )
{
    d->radius = newRadius;
    if( gameObject() )
        setDisc( gameObject()->position(), d->radius, d->nbPoints, d->color );
}

uint DiscRendererComponent::nbPoints()
{
    return d->nbPoints;
}

void DiscRendererComponent::setNbPoints( uint newNbPoints )
{
    d->nbPoints = newNbPoints;
    if( gameObject() )
        setDisc( gameObject()->position(), d->radius, d->nbPoints, d->color );
}

void DiscRendererComponent::setDisc( QVector3D position, float radius, uint nbPoints, QColor color )
{
    if( d->mesh )
        d->mesh->setDisc( position, radius, nbPoints, color );
}

void DiscRendererComponent::setColor( const QColor& color )
{
    d->color = color;
    if( d->mesh )
    {
        d->mesh->setColor( color );
    }
}

void DiscRendererComponent::setColor( int r, int g, int b, int a )
{
    setColor( QColor( r, g, b, a ) );
}

QColor DiscRendererComponent::color()
{
    return d->color;
}

Asset* DiscRendererComponent::texture()
{
    return d->texture;
}

void DiscRendererComponent::setTexture( Asset* asset )
{
    d->texture = asset;

    if( asset )
    {
        if( d->mesh && asset->isLoaded() )
        {
            d->mesh->setTexture( asset->data()->imageData().value<QImage>() );
        }
    }
}

Q_EXPORT_PLUGIN2( gluon_component_discrenderer, GluonEngine::DiscRendererComponent );

#include "discrenderercomponent.moc"

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