content: /*
   * Copyright (c) 2019-2020 5zig Reborn
   * Copyright (c) 2015-2019 5zig
   *
   * This file is part of The 5zig Mod
   * The 5zig Mod 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 5zig Mod 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 The 5zig Mod.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  package eu.the5zig.mod.installer;
  
  public abstract class ProcessCallback {
  
  	private int currentStage = 0;
  
  	public void setStage(Stage stage) {
  		message(Stage.values()[currentStage = stage.ordinal()].getMessage() + " (" + (currentStage + 1) + "/" + Stage.values().length + ")");
  	}
  
  	public void setProgress(float progress) {
  		float startPercentage = Stage.values()[currentStage].getStartPercentage();
  		float endPercentage = currentStage == Stage.values().length - 1 ? 1 : Stage.values()[currentStage + 1].getStartPercentage();
  		progress(startPercentage + (endPercentage - startPercentage) * progress);
  	}
  
  	protected abstract void progress(float percentage);
  
  	protected abstract void message(String message);
  
  	public void log(String message) {
  		System.out.println(message);
  	}
  
  }
  