    001    package net.minecraft.client.texturepacks;
    002
    003    import cpw.mods.fml.relauncher.Side;
    004    import cpw.mods.fml.relauncher.SideOnly;
    005    import java.io.File;
    006    import java.io.IOException;
    007    import java.io.InputStream;
    008    import java.util.zip.ZipEntry;
    009    import java.util.zip.ZipFile;
    010    import net.minecraft.client.renderer.RenderEngine;
    011
    012    @SideOnly(Side.CLIENT)
    013    public class TexturePackCustom extends TexturePackImplementation
    014    {
    015        /** ZipFile object used to access the texture pack file's contents. */
    016        private ZipFile texturePackZipFile;
    017
    018        public TexturePackCustom(String par1Str, File par2File)
    019        {
    020            super(par1Str, par2File, par2File.getName());
    021        }
    022
    023        /**
    024         * Delete the OpenGL texture id of the pack's thumbnail image, and close the zip file in case of TexturePackCustom.
    025         */
    026        public void deleteTexturePack(RenderEngine par1RenderEngine)
    027        {
    028            super.deleteTexturePack(par1RenderEngine);
    029
    030            try
    031            {
    032                if (this.texturePackZipFile != null)
    033                {
    034                    this.texturePackZipFile.close();
    035                }
    036            }
    037            catch (IOException var3)
    038            {
    039                ;
    040            }
    041
    042            this.texturePackZipFile = null;
    043        }
    044
    045        /**
    046         * Gives a texture resource as InputStream.
    047         */
    048        public InputStream getResourceAsStream(String par1Str)
    049        {
    050            this.openTexturePackFile();
    051
    052            try
    053            {
    054                ZipEntry var2 = this.texturePackZipFile.getEntry(par1Str.substring(1));
    055
    056                if (var2 != null)
    057                {
    058                    return this.texturePackZipFile.getInputStream(var2);
    059                }
    060            }
    061            catch (Exception var3)
    062            {
    063                ;
    064            }
    065
    066            return super.getResourceAsStream(par1Str);
    067        }
    068
    069        /**
    070         * Open the texture pack's file and initialize texturePackZipFile
    071         */
    072        private void openTexturePackFile()
    073        {
    074            if (this.texturePackZipFile == null)
    075            {
    076                try
    077                {
    078                    this.texturePackZipFile = new ZipFile(this.texturePackFile);
    079                }
    080                catch (IOException var2)
    081                {
    082                    ;
    083                }
    084            }
    085        }
    086    }