code: /*
   * Copyright (c) 2021 Callum Newlands
   *
   *     This program is free software: you can redistribute it and/or modify
   *     it under the terms of the GNU General Public License as published by
   *     the Free Software Foundation, either version 3 of the License, or
   *     (at your option) any later version.
   *
   *     The additional term of 7.b applies: Requiring preservation of specified
   *     reasonable legal notices or author attributions in that material or in the
   *     Appropriate Legal Notices displayed by works containing it
   *
   *     This program 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 General Public License for more details.
   *
   *     You should have received a copy of the GNU General Public License
   *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  package modeldata.meshdata;
  
  import java.util.List;
  import lombok.Getter;
  
  public class VertexAttribute {
  
  	@Getter
  	private final String name;
  	@Getter
  	private final int numberOfFloatComponents;
  	@Getter
  	private final int location;
  	@Getter
  	private final int divisor;
  
  	public static final VertexAttribute POSITION = new VertexAttribute(0, "position", 3);
  	public static final VertexAttribute NORMAL = new VertexAttribute(1, "normal", 3);
  	public static final VertexAttribute TEXTURE = new VertexAttribute(2, "texCoord", 2);
  	public static final List<VertexAttribute> INSTANCE_MODEL = List.of(
  			new VertexAttribute(3, "instanceModel", 4, 1),
  			new VertexAttribute(4, "instanceModel", 4, 1),
  			new VertexAttribute(5, "instanceModel", 4, 1),
  			new VertexAttribute(6, "instanceModel", 4, 1)
  	);
  	public static final VertexAttribute TANGENT = new VertexAttribute(7, "tangent", 3);
  
  	public VertexAttribute(final int location, final String name, final int numberOfFloatComponents) {
  		this(location, name, numberOfFloatComponents, 0);
  	}
  
  	public VertexAttribute(final int location, final String name, final int numberOfFloatComponents, final int divisor) {
  		this.location = location;
  		this.name = name;
  		this.numberOfFloatComponents = numberOfFloatComponents;
  		this.divisor = divisor;
  	}
  }