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;
  
  import java.util.List;
  import lombok.AllArgsConstructor;
  import lombok.Getter;
  import modeldata.meshdata.Mesh;
  import modeldata.meshdata.Texture;
  import org.joml.Matrix4f;
  import rendering.ShaderProgram;
  
  @AllArgsConstructor
  public class SingleModel implements Model {
  	@Getter
  	protected List<Mesh> meshes;
  
  	public void render() {
  		for (Mesh mesh : meshes) {
  			mesh.render();
  		}
  	}
  
  	public void addTextures(String uniform, List<? extends Texture> textures) {
  		if (textures.size() != meshes.size()) {
  			throw new RuntimeException("Unequal number of meshes and textures");
  		}
  		for (int i = 0; i < meshes.size(); i++) {
  			Texture texture = textures.get(i);
  			if (texture == null) {
  				continue;
  			}
  			meshes.get(i).addTexture(uniform, texture);
  		}
  	}
  
  	@Override
  	public void setModelMatrix(Matrix4f model) {
  		meshes.forEach(m -> m.setModel(model));
  	}
  
  	@Override
  	public void setShaderProgram(ShaderProgram shaderProgram) {
  		meshes.forEach(m -> m.setShaderProgram(shaderProgram));
  	}
  
  	@Override
  	public void setIsInstanced(boolean value) {
  		for (Mesh mesh : meshes) {
  			mesh.setInstanced(value);
  		}
  	}
  }
  