IRay.java

/**
* Copyright (c) Lambda Innovation, 2013-2016
* This file is part of the AcademyCraft mod.
* https://github.com/LambdaInnovation/AcademyCraft
* Licensed under GPLv3, see project root for more information.
*/
package cn.academy.core.entity;

import cn.lambdalib.util.deprecated.ViewOptimize.IAssociatePlayer;
import net.minecraft.util.Vec3;

/**
 * States used in RenderRay classes.
 * The view direction of the ray is determined by the rotationYaw and rotationPitch.
 * @author WeAthFolD
 */
public interface IRay extends IAssociatePlayer {
    
    void onRenderTick();
    
    Vec3 getPosition();
    
    /**
     * @return If this ray is spawned at player's hand and need to be treated differently for 1st and 3rd person
     */
    boolean needsViewOptimize();
    
    double getLength();
    
    //---Advanced parameters
    /**
     * @return An alpha multiplyer. Can be used for blend out.
     */
    double getAlpha();
    
    /**
     * @return The alpha multiplyer of the glow texture.
     */
    double getGlowAlpha();
    
    /**
     * Get the advance distance of the ray starting point. Can be used for blend out.
     */
    double getStartFix();
    
    /**
     * Get the current ray width multiplyer. Used for blending
     */
    double getWidth();
    
}