MCCustomSkinLoader/Common/source/customskinloader/fake/FakeClientPlayer.java

package customskinloader.fake;

import java.util.UUID;

import com.mojang.authlib.GameProfile;
import com.mojang.authlib.minecraft.MinecraftProfileTexture;
import com.mojang.authlib.minecraft.MinecraftProfileTexture.Type;

import customskinloader.CustomSkinLoader;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.ThreadDownloadImageData;
import net.minecraft.client.renderer.texture.ITextureObject;
import net.minecraft.client.renderer.texture.SimpleTexture;
import net.minecraft.client.renderer.texture.TextureManager;
import net.minecraft.client.resources.DefaultPlayerSkin;
import net.minecraft.client.resources.SkinManager;
import net.minecraft.client.resources.SkinManager.SkinAvailableCallback;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.StringUtils;

public class FakeClientPlayer {
        //For Legacy Skin
        public static ThreadDownloadImageData getDownloadImageSkin(ResourceLocation resourceLocationIn, String username)
        {
            //CustomSkinLoader.logger.debug("FakeClientPlayer/getDownloadImageSkin "+username);
            TextureManager textman = Minecraft.getMinecraft().getTextureManager();
            ITextureObject ito = textman.getTexture(resourceLocationIn);

            if (ito == null || !(ito instanceof ThreadDownloadImageData))
            {
                //if Legacy Skin for username not loaded yet
                SkinManager skinman = Minecraft.getMinecraft().getSkinManager();
                UUID offlineUUID=EntityPlayer.getOfflineUUID(username);
                GameProfile offlineProfile=new GameProfile(offlineUUID,username);
                
                //Load Default Skin
                ResourceLocation defaultSkin=DefaultPlayerSkin.getDefaultSkin(offlineUUID);
                ITextureObject defaultSkinObj=new SimpleTexture(defaultSkin);
                textman.loadTexture(resourceLocationIn, defaultSkinObj);
                
                //Load Skin from SkinManager
                skinman.loadProfileTextures(offlineProfile, new LegacyBuffer(resourceLocationIn), false);
            }

            if(ito instanceof ThreadDownloadImageData)
                return (ThreadDownloadImageData)ito;
            else
                return null;
        }

        public static ResourceLocation getLocationSkin(String username)
        {
            //CustomSkinLoader.logger.debug("FakeClientPlayer/getLocationSkin "+username);
            return new ResourceLocation("skins/legacy-" + StringUtils.stripControlCodes(username));
        }
        
        private static class LegacyBuffer implements SkinAvailableCallback{
            ResourceLocation resourceLocationIn;
            boolean loaded=false;
            
            public LegacyBuffer(ResourceLocation resourceLocationIn) {
                CustomSkinLoader.logger.debug("Loading Legacy Texture ("+resourceLocationIn+")");
                this.resourceLocationIn=resourceLocationIn;
            }

            @Override
            public void skinAvailable(Type typeIn, ResourceLocation location, MinecraftProfileTexture profileTexture) {
                if(typeIn!=Type.SKIN || loaded)
                    return;
                
                loaded=true;
                
                
                TextureManager textman = Minecraft.getMinecraft().getTextureManager();
                ITextureObject ito = textman.getTexture(location);
                
                if(ito!=null)
                    textman.loadTexture(resourceLocationIn, ito);
                CustomSkinLoader.logger.debug("Legacy Texture ("+resourceLocationIn+") Loaded as "+
                    ito==null?null:ito.toString()+" ("+location+")");
                //textman.bindTexture(resourceLocationIn);
            }
            
        }
}