    001    package net.minecraft.client.texturepacks;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import java.io.File;
    006    import java.util.ArrayList;
    007    import java.util.Arrays;
    008    import java.util.Collections;
    009    import java.util.HashMap;
    010    import java.util.Iterator;
    011    import java.util.List;
    012    import java.util.Map;
    013    import net.minecraft.client.Minecraft;
    014    import net.minecraft.client.gui.GuiProgress;
    015    import net.minecraft.client.multiplayer.ServerData;
    016    import net.minecraft.util.HttpUtil;
    017
    018    @SideOnly(Side.CLIENT)
    019    public class TexturePackList
    020    {
    021        /**
    022         * An instance of TexturePackDefault for the always available builtin texture pack.
    023         */
    024        private static final ITexturePack defaultTexturePack = new TexturePackDefault();
    025
    026        /** The Minecraft instance. */
    027        private final Minecraft mc;
    028
    029        /** The directory the texture packs will be loaded from. */
    030        private final File texturePackDir;
    031
    032        /** Folder for the multi-player texturepacks. Returns File. */
    033        private final File mpTexturePackFolder;
    034
    035        /** The list of the available texture packs. */
    036        private List availableTexturePacks = new ArrayList();
    037
    038        /**
    039         * A mapping of texture IDs to TexturePackBase objects used by updateAvaliableTexturePacks() to avoid reloading
    040         * texture packs that haven't changed on disk.
    041         */
    042        private Map texturePackCache = new HashMap();
    043
    044        /** The TexturePack that will be used. */
    045        private ITexturePack selectedTexturePack;
    046
    047        /** True if a texture pack is downloading in the background. */
    048        private boolean isDownloading;
    049
    050        public TexturePackList(File par1File, Minecraft par2Minecraft)
    051        {
    052            this.mc = par2Minecraft;
    053            this.texturePackDir = new File(par1File, "texturepacks");
    054            this.mpTexturePackFolder = new File(par1File, "texturepacks-mp-cache");
    055            this.createTexturePackDirs();
    056            this.updateAvaliableTexturePacks();
    057        }
    058
    059        /**
    060         * Create the "texturepacks" and "texturepacks-mp-cache" directories if they don't already exist.
    061         */
    062        private void createTexturePackDirs()
    063        {
    064            if (!this.texturePackDir.isDirectory())
    065            {
    066                this.texturePackDir.delete();
    067                this.texturePackDir.mkdirs();
    068            }
    069
    070            if (!this.mpTexturePackFolder.isDirectory())
    071            {
    072                this.mpTexturePackFolder.delete();
    073                this.mpTexturePackFolder.mkdirs();
    074            }
    075        }
    076
    077        /**
    078         * Sets the new TexturePack to be used, returning true if it has actually changed, false if nothing changed.
    079         */
    080        public boolean setTexturePack(ITexturePack par1ITexturePack)
    081        {
    082            if (par1ITexturePack == this.selectedTexturePack)
    083            {
    084                return false;
    085            }
    086            else
    087            {
    088                this.isDownloading = false;
    089                this.selectedTexturePack = par1ITexturePack;
    090                this.mc.gameSettings.skin = par1ITexturePack.getTexturePackFileName();
    091                this.mc.gameSettings.saveOptions();
    092                return true;
    093            }
    094        }
    095
    096        /**
    097         * filename must end in .zip
    098         */
    099        public void requestDownloadOfTexture(String par1Str)
    100        {
    101            String var2 = par1Str.substring(par1Str.lastIndexOf("/") + 1);
    102
    103            if (var2.contains("?"))
    104            {
    105                var2 = var2.substring(0, var2.indexOf("?"));
    106            }
    107
    108            if (var2.endsWith(".zip"))
    109            {
    110                File var3 = new File(this.mpTexturePackFolder, var2);
    111                this.downloadTexture(par1Str, var3);
    112            }
    113        }
    114
    115        private void downloadTexture(String par1Str, File par2File)
    116        {
    117            HashMap var3 = new HashMap();
    118            GuiProgress var4 = new GuiProgress();
    119            var3.put("X-Minecraft-Username", this.mc.session.username);
    120            var3.put("X-Minecraft-Version", "1.4.5");
    121            var3.put("X-Minecraft-Supported-Resolutions", "16");
    122            this.isDownloading = true;
    123            this.mc.displayGuiScreen(var4);
    124            HttpUtil.downloadTexturePack(par2File, par1Str, new TexturePackDownloadSuccess(this), var3, 10000000, var4);
    125        }
    126
    127        /**
    128         * Return true if a texture pack is downloading in the background.
    129         */
    130        public boolean getIsDownloading()
    131        {
    132            return this.isDownloading;
    133        }
    134
    135        /**
    136         * Called from Minecraft.loadWorld() if getIsDownloading() returned true to prepare the downloaded texture for
    137         * usage.
    138         */
    139        public void onDownloadFinished()
    140        {
    141            this.isDownloading = false;
    142            this.updateAvaliableTexturePacks();
    143            this.mc.scheduleTexturePackRefresh();
    144        }
    145
    146        /**
    147         * check the texture packs the client has installed
    148         */
    149        public void updateAvaliableTexturePacks()
    150        {
    151            ArrayList var1 = new ArrayList();
    152            this.selectedTexturePack = defaultTexturePack;
    153            var1.add(defaultTexturePack);
    154            Iterator var2 = this.getTexturePackDirContents().iterator();
    155
    156            while (var2.hasNext())
    157            {
    158                File var3 = (File)var2.next();
    159                String var4 = this.generateTexturePackID(var3);
    160
    161                if (var4 != null)
    162                {
    163                    Object var5 = (ITexturePack)this.texturePackCache.get(var4);
    164
    165                    if (var5 == null)
    166                    {
    167                        var5 = var3.isDirectory() ? new TexturePackFolder(var4, var3) : new TexturePackCustom(var4, var3);
    168                        this.texturePackCache.put(var4, var5);
    169                    }
    170
    171                    if (((ITexturePack)var5).getTexturePackFileName().equals(this.mc.gameSettings.skin))
    172                    {
    173                        this.selectedTexturePack = (ITexturePack)var5;
    174                    }
    175
    176                    var1.add(var5);
    177                }
    178            }
    179
    180            this.availableTexturePacks.removeAll(var1);
    181            var2 = this.availableTexturePacks.iterator();
    182
    183            while (var2.hasNext())
    184            {
    185                ITexturePack var6 = (ITexturePack)var2.next();
    186                var6.deleteTexturePack(this.mc.renderEngine);
    187                this.texturePackCache.remove(var6.getTexturePackID());
    188            }
    189
    190            this.availableTexturePacks = var1;
    191        }
    192
    193        /**
    194         * Generate an internal texture pack ID from the file/directory name, last modification time, and file size. Returns
    195         * null if the file/directory is not a texture pack.
    196         */
    197        private String generateTexturePackID(File par1File)
    198        {
    199            return par1File.isFile() && par1File.getName().toLowerCase().endsWith(".zip") ? par1File.getName() + ":" + par1File.length() + ":" + par1File.lastModified() : (par1File.isDirectory() && (new File(par1File, "pack.txt")).exists() ? par1File.getName() + ":folder:" + par1File.lastModified() : null);
    200        }
    201
    202        /**
    203         * Return a List<File> of file/directories in the texture pack directory.
    204         */
    205        private List getTexturePackDirContents()
    206        {
    207            return this.texturePackDir.exists() && this.texturePackDir.isDirectory() ? Arrays.asList(this.texturePackDir.listFiles()) : Collections.emptyList();
    208        }
    209
    210        /**
    211         * Returns a list of the available texture packs.
    212         */
    213        public List availableTexturePacks()
    214        {
    215            return Collections.unmodifiableList(this.availableTexturePacks);
    216        }
    217
    218        public ITexturePack getSelectedTexturePack()
    219        {
    220            return this.selectedTexturePack;
    221        }
    222
    223        public boolean func_77300_f()
    224        {
    225            if (!this.mc.gameSettings.serverTextures)
    226            {
    227                return false;
    228            }
    229            else
    230            {
    231                ServerData var1 = this.mc.getServerData();
    232                return var1 == null ? true : var1.func_78840_c();
    233            }
    234        }
    235
    236        public boolean getAcceptsTextures()
    237        {
    238            if (!this.mc.gameSettings.serverTextures)
    239            {
    240                return false;
    241            }
    242            else
    243            {
    244                ServerData var1 = this.mc.getServerData();
    245                return var1 == null ? false : var1.getAcceptsTextures();
    246            }
    247        }
    248
    249        static boolean func_77301_a(TexturePackList par0TexturePackList)
    250        {
    251            return par0TexturePackList.isDownloading;
    252        }
    253
    254        /**
    255         * Set the selectedTexturePack field (Inner class static accessor method).
    256         */
    257        static ITexturePack setSelectedTexturePack(TexturePackList par0TexturePackList, ITexturePack par1ITexturePack)
    258        {
    259            return par0TexturePackList.selectedTexturePack = par1ITexturePack;
    260        }
    261
    262        /**
    263         * Generate an internal texture pack ID from the file/directory name, last modification time, and file size. Returns
    264         * null if the file/directory is not a texture pack. (Inner class static accessor method).
    265         */
    266        static String generateTexturePackID(TexturePackList par0TexturePackList, File par1File)
    267        {
    268            return par0TexturePackList.generateTexturePackID(par1File);
    269        }
    270
    271        static Minecraft getMinecraft(TexturePackList par0TexturePackList)
    272        {
    273            return par0TexturePackList.mc;
    274        }
    275    }