<?php

namespace Blobt\Luxcore\scene\materials;
use Blobt\Luxcore\core\Base;
use Blobt\Luxcore\scene\Scene;

class Glossy extends MaterialsBase
{

    const TYPE_GLOSSY = 'glossy2';

    /**
     * @var string 漫反射颜色，一个小数形式的RGB色值，或是一个textures（贴图数组）中的某个键名
     */
    public $kd = "0.7 0.7 0.7";

    /**
     * @var string 高光反射颜色，如果设置使用了 IOR 参数，此出只能固定为"1 1 1",否则是一个小数形式的RGB色值，或是一个textures（贴图数组）中的某个键名;
     */
    public $ks = "0.05 0.05 0.05";

    /**
     * @var string 吸收颜色，一个小数形式的RGB色值，或是一个textures（贴图数组）中的某个键名
     */
    public $ka = "0 0 0";

    /**
     * @var float 吸收颜色深度，一个大于等于0的小数，或是一个textures（贴图数组）中的某个键名
     */
    public $d = 0;

    /**
     * @var float U向粗糙度，一个0-0.8的小数，或是一个textures（贴图数组）中的某个键名
     */
    public $uroughness = 0.05;

    /**
     * @var float V向粗糙度，一个0-0.8的小数，或是一个textures（贴图数组）中的某个键名
     */
    public $vroughness = 0.05;

    /**
     * @var float 菲列尔折射率，如果设置为1-2的一个小数或一个textures（贴图数组）中的某个键名，表示使用这个数值的 IOR 参数，
     *            如果设置为"0 0 0",表示不使用 IOR 参数
     */
    public $index = "0 0 0";

    /**
     * @var bool TODO：否是使用多弹射，具体作用尚未明确，（默认取值：false）
     */
    public $multibounce = self::CLOSE;

    public function __construct($config = [])
    {
        $this->type = self::TYPE_GLOSSY;
        $this->id = Scene::createID();
        Base::__construct($config);
    }

    public function setUroughness($color)
    {
        if( is_object($color) )
        {   
            if( $color->registerId != null ) $this->uroughness = $color->registerId;
            else
            {   
                throw new \Exception("You use an unregistered ".$color->getInstanceClassName()." object for the current property");                
            }
        }
        else $this->uroughness = $color;
    }

    public function setVroughness($color)
    {
        if( is_object($color) )
        {   
            if( $color->registerId != null ) $this->vroughness = $color->registerId;
            else
            {   
                throw new \Exception("You use an unregistered ".$color->getInstanceClassName()." object for the current property");                
            }
        }
        else $this->vroughness = $color;
    }   

    public function setBaseColor($color)
    {
        if( is_object($color) )
        {   
            if( $color->registerId != null ) $this->kd = $color->registerId;
            else
            {   
                throw new \Exception("You use an unregistered ".$color->getInstanceClassName()." object for the current property");                
            }
        }
        else $this->kd = $color;
    }

    public function setSpecular($color)
    {
        if( is_object($color) )
        {   
            if( $color->registerId != null ) $this->ks = $color->registerId;
            else
            {   
                throw new \Exception("You use an unregistered ".$color->getInstanceClassName()." object for the current property");                
            }
        }
        else $this->ks = $color;
    }

    public function setAbsorption($color)
    {
        if( is_object($color) )
        {   
            if( $color->registerId != null ) $this->ka = $color->registerId;
            else
            {   
                throw new \Exception("You use an unregistered ".$color->getInstanceClassName()." object for the current property");                
            }
        }
        else $this->ka = $color;
    }

    public function setAbsorptionDepht($color)
    {
        if( is_object($color) )
        {   
            if( $color->registerId != null ) $this->d = $color->registerId;
            else
            {   
                throw new \Exception("You use an unregistered ".$color->getInstanceClassName()." object for the current property");                
            }
        }
        else $this->d = $color;
    }

    public function setIor($color)
    {
        if( is_object($color) )
        {   
            if( $color->registerId != null ) $this->index = $color->registerId;
            else
            {   
                throw new \Exception("You use an unregistered ".$color->getInstanceClassName()." object for the current property");                
            }
        }
        else $this->index = $color;
    }

    public function openMultiBounce()
    {
        $this->multibounce = self::OPEN;
    }

    public function closeMultiBounce()
    {
        $this->multibounce = self::CLOSE;
    }

}

?>