Convertisseur de ressource pack Minecraft en différentes résolutions. Il permet par exemple de convertir un pack 16×16 en 4×4 ou même 2×2 avec des paramètres personnalisés (voir constantes).

PixelPack 4x4 [Default Pack].zip

PixelPackMaker-minecraft-vanillaJava.java

package fr.themsou.pixelpackmaker;

import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Pattern;

public class Main {

    public static final String packPath = "C:\\Users\\utilisateur\\Downloads\\assets";

    public static final HashMap<String, Integer> folderSizes = new HashMap<>();

    public static final int defaultPackSize = 16;

    public static final int otherSize = 4; // /16
    public static final int guiSize = 8; // /16

    public static final int fontFinalWidth = 12; // /16
    public static final int skyFinalWidth = 16; // /16
    public static final int armorFinalWidth = 4; // /16
    public static final int itemsFinalWidth = 4; // /16
    public static final int blocksFinalWidth = 4; // /16

    public static void main(String[] args){

        folderSizes.put("font", 16 * fontFinalWidth);
        folderSizes.put("sky", 6 * skyFinalWidth);
        folderSizes.put("armor", 8 * armorFinalWidth);
        folderSizes.put("items", itemsFinalWidth);
        folderSizes.put("blocks", blocksFinalWidth);

        System.out.println("--> SETTINGS :");
        System.out.println();
        System.out.println("- packSize = " + defaultPackSize);
        System.out.println();
        System.out.println("- packSize = " + otherSize);
        System.out.println("- iconsSize = " + guiSize);
        System.out.println();

        for(Map.Entry<String, Integer> folderSize : folderSizes.entrySet()){
            System.out.println("- " + folderSize.getKey() + "FinalImageWidth = " + folderSize.getValue());
        }

        System.out.println();
        System.out.println("--> CONVERTING...");
        System.out.println();

        convertDir(new File(packPath));

        System.out.println();
        System.out.println("--> SUCCESSFULLY FINISHED!");

    }
    public static void convertDir(File dir){
        System.out.println("- Converting directory " + dir.getName() + "...");
        for(File subFile : dir.listFiles()){
            if(subFile.isDirectory()){
                convertDir(subFile);
            }else{
                if(folderSizes.containsKey(dir.getName())){
                    convertFile(subFile, true, folderSizes.get(dir.getName()));
                }else if("colormap".equals(dir.getName())) {

                }else if("gui".equals(dir.getName())) {
                    convertFile(subFile, false, guiSize);
                }else{
                    convertFile(subFile, false, otherSize);
                }
            }
        }
    }
    public static void convertFile(File file, boolean folder, int arg){

        String[] splitedFileName = file.getName().split(Pattern.quote("."));
        if(!splitedFileName[splitedFileName.length -1].equals("png")){
            return;
        }

        try{

            BufferedImage image = ImageIO.read(file);

            int width;
            int height;
            if(folder){
                width = arg;
                height = (int) (image.getHeight() / ((double) image.getWidth()) * arg);
            }else{
                width = (int) (image.getWidth() / ((double) defaultPackSize) * arg);
                height = (int) (image.getHeight() / ((double) defaultPackSize) * arg);
            }
            if(width == 0) width = 1;
            if(height == 0) height = 1;


            BufferedImage outputImage = new BufferedImage(width, height, image.getType());

            Graphics2D g2d = outputImage.createGraphics();
            g2d.drawImage(image, 0, 0, outputImage.getWidth(), outputImage.getHeight(), null);
            g2d.dispose();

            ImageIO.write(outputImage, "png", file);

        }catch(IOException ex){ ex.printStackTrace(); }

    }
}