    001    package net.minecraft.client.gui;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import java.awt.image.BufferedImage;
    006    import java.io.IOException;
    007    import java.io.InputStream;
    008    import java.text.Bidi;
    009    import java.util.Arrays;
    010    import java.util.Iterator;
    011    import java.util.List;
    012    import java.util.Random;
    013    import javax.imageio.ImageIO;
    014    import net.minecraft.client.renderer.RenderEngine;
    015    import net.minecraft.client.renderer.Tessellator;
    016    import net.minecraft.client.settings.GameSettings;
    017    import net.minecraft.util.ChatAllowedCharacters;
    018    import org.lwjgl.opengl.GL11;
    019
    020    @SideOnly(Side.CLIENT)
    021    public class FontRenderer
    022    {
    023        /** Array of width of all the characters in default.png */
    024        private int[] charWidth = new int[256];
    025        public int fontTextureName = 0;
    026
    027        /** the height in pixels of default text */
    028        public int FONT_HEIGHT = 9;
    029        public Random fontRandom = new Random();
    030
    031        /**
    032         * Array of the start/end column (in upper/lower nibble) for every glyph in the /font directory.
    033         */
    034        private byte[] glyphWidth = new byte[65536];
    035
    036        /**
    037         * Array of GL texture ids for loaded glyph_XX.png images. Indexed by Unicode block (group of 256 chars).
    038         */
    039        private final int[] glyphTextureName = new int[256];
    040
    041        /**
    042         * Array of RGB triplets defining the 16 standard chat colors followed by 16 darker version of the same colors for
    043         * drop shadows.
    044         */
    045        private int[] colorCode = new int[32];
    046
    047        /**
    048         * The currently bound GL texture ID. Avoids unnecessary glBindTexture() for the same texture if it's already bound.
    049         */
    050        private int boundTextureName;
    051
    052        /** The RenderEngine used to load and setup glyph textures. */
    053        private final RenderEngine renderEngine;
    054
    055        /** Current X coordinate at which to draw the next character. */
    056        private float posX;
    057
    058        /** Current Y coordinate at which to draw the next character. */
    059        private float posY;
    060
    061        /**
    062         * If true, strings should be rendered with Unicode fonts instead of the default.png font
    063         */
    064        private boolean unicodeFlag;
    065
    066        /**
    067         * If true, the Unicode Bidirectional Algorithm should be run before rendering any string.
    068         */
    069        private boolean bidiFlag;
    070
    071        /** Used to specify new red value for the current color. */
    072        private float red;
    073
    074        /** Used to specify new blue value for the current color. */
    075        private float blue;
    076
    077        /** Used to specify new green value for the current color. */
    078        private float green;
    079
    080        /** Used to speify new alpha value for the current color. */
    081        private float alpha;
    082
    083        /** Text color of the currently rendering string. */
    084        private int textColor;
    085
    086        /** Set if the "k" style (random) is active in currently rendering string */
    087        private boolean randomStyle = false;
    088
    089        /** Set if the "l" style (bold) is active in currently rendering string */
    090        private boolean boldStyle = false;
    091
    092        /** Set if the "o" style (italic) is active in currently rendering string */
    093        private boolean italicStyle = false;
    094
    095        /**
    096         * Set if the "n" style (underlined) is active in currently rendering string
    097         */
    098        private boolean underlineStyle = false;
    099
    100        /**
    101         * Set if the "m" style (strikethrough) is active in currently rendering string
    102         */
    103        private boolean strikethroughStyle = false;
    104
    105        FontRenderer()
    106        {
    107            this.renderEngine = null;
    108        }
    109
    110        public FontRenderer(GameSettings par1GameSettings, String par2Str, RenderEngine par3RenderEngine, boolean par4)
    111        {
    112            this.renderEngine = par3RenderEngine;
    113            this.unicodeFlag = par4;
    114            BufferedImage var5;
    115
    116            try
    117            {
    118                var5 = ImageIO.read(RenderEngine.class.getResourceAsStream(par2Str));
    119                InputStream var6 = RenderEngine.class.getResourceAsStream("/font/glyph_sizes.bin");
    120                var6.read(this.glyphWidth);
    121            }
    122            catch (IOException var18)
    123            {
    124                throw new RuntimeException(var18);
    125            }
    126
    127            int var19 = var5.getWidth();
    128            int var7 = var5.getHeight();
    129            int[] var8 = new int[var19 * var7];
    130            var5.getRGB(0, 0, var19, var7, var8, 0, var19);
    131            int var9 = 0;
    132            int var10;
    133            int var11;
    134            int var12;
    135            int var13;
    136            int var15;
    137            int var16;
    138
    139            while (var9 < 256)
    140            {
    141                var10 = var9 % 16;
    142                var11 = var9 / 16;
    143                var12 = 7;
    144
    145                while (true)
    146                {
    147                    if (var12 >= 0)
    148                    {
    149                        var13 = var10 * 8 + var12;
    150                        boolean var14 = true;
    151
    152                        for (var15 = 0; var15 < 8 && var14; ++var15)
    153                        {
    154                            var16 = (var11 * 8 + var15) * var19;
    155                            int var17 = var8[var13 + var16] & 255;
    156
    157                            if (var17 > 0)
    158                            {
    159                                var14 = false;
    160                            }
    161                        }
    162
    163                        if (var14)
    164                        {
    165                            --var12;
    166                            continue;
    167                        }
    168                    }
    169
    170                    if (var9 == 32)
    171                    {
    172                        var12 = 2;
    173                    }
    174
    175                    this.charWidth[var9] = var12 + 2;
    176                    ++var9;
    177                    break;
    178                }
    179            }
    180
    181            this.fontTextureName = par3RenderEngine.allocateAndSetupTexture(var5);
    182
    183            for (var9 = 0; var9 < 32; ++var9)
    184            {
    185                var10 = (var9 >> 3 & 1) * 85;
    186                var11 = (var9 >> 2 & 1) * 170 + var10;
    187                var12 = (var9 >> 1 & 1) * 170 + var10;
    188                var13 = (var9 >> 0 & 1) * 170 + var10;
    189
    190                if (var9 == 6)
    191                {
    192                    var11 += 85;
    193                }
    194
    195                if (par1GameSettings.anaglyph)
    196                {
    197                    int var20 = (var11 * 30 + var12 * 59 + var13 * 11) / 100;
    198                    var15 = (var11 * 30 + var12 * 70) / 100;
    199                    var16 = (var11 * 30 + var13 * 70) / 100;
    200                    var11 = var20;
    201                    var12 = var15;
    202                    var13 = var16;
    203                }
    204
    205                if (var9 >= 16)
    206                {
    207                    var11 /= 4;
    208                    var12 /= 4;
    209                    var13 /= 4;
    210                }
    211
    212                this.colorCode[var9] = (var11 & 255) << 16 | (var12 & 255) << 8 | var13 & 255;
    213            }
    214        }
    215
    216        /**
    217         * Pick how to render a single character and return the width used.
    218         */
    219        private float renderCharAtPos(int par1, char par2, boolean par3)
    220        {
    221            return par2 == 32 ? 4.0F : (par1 > 0 && !this.unicodeFlag ? this.renderDefaultChar(par1 + 32, par3) : this.renderUnicodeChar(par2, par3));
    222        }
    223
    224        /**
    225         * Render a single character with the default.png font at current (posX,posY) location...
    226         */
    227        private float renderDefaultChar(int par1, boolean par2)
    228        {
    229            float var3 = (float)(par1 % 16 * 8);
    230            float var4 = (float)(par1 / 16 * 8);
    231            float var5 = par2 ? 1.0F : 0.0F;
    232
    233            if (this.boundTextureName != this.fontTextureName)
    234            {
    235                GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.fontTextureName);
    236                this.boundTextureName = this.fontTextureName;
    237            }
    238
    239            float var6 = (float)this.charWidth[par1] - 0.01F;
    240            GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
    241            GL11.glTexCoord2f(var3 / 128.0F, var4 / 128.0F);
    242            GL11.glVertex3f(this.posX + var5, this.posY, 0.0F);
    243            GL11.glTexCoord2f(var3 / 128.0F, (var4 + 7.99F) / 128.0F);
    244            GL11.glVertex3f(this.posX - var5, this.posY + 7.99F, 0.0F);
    245            GL11.glTexCoord2f((var3 + var6) / 128.0F, var4 / 128.0F);
    246            GL11.glVertex3f(this.posX + var6 + var5, this.posY, 0.0F);
    247            GL11.glTexCoord2f((var3 + var6) / 128.0F, (var4 + 7.99F) / 128.0F);
    248            GL11.glVertex3f(this.posX + var6 - var5, this.posY + 7.99F, 0.0F);
    249            GL11.glEnd();
    250            return (float)this.charWidth[par1];
    251        }
    252
    253        /**
    254         * Load one of the /font/glyph_XX.png into a new GL texture and store the texture ID in glyphTextureName array.
    255         */
    256        private void loadGlyphTexture(int par1)
    257        {
    258            String var3 = String.format("/font/glyph_%02X.png", new Object[] {Integer.valueOf(par1)});
    259            BufferedImage var2;
    260
    261            try
    262            {
    263                var2 = ImageIO.read(RenderEngine.class.getResourceAsStream(var3));
    264            }
    265            catch (IOException var5)
    266            {
    267                throw new RuntimeException(var5);
    268            }
    269
    270            this.glyphTextureName[par1] = this.renderEngine.allocateAndSetupTexture(var2);
    271            this.boundTextureName = this.glyphTextureName[par1];
    272        }
    273
    274        /**
    275         * Render a single Unicode character at current (posX,posY) location using one of the /font/glyph_XX.png files...
    276         */
    277        private float renderUnicodeChar(char par1, boolean par2)
    278        {
    279            if (this.glyphWidth[par1] == 0)
    280            {
    281                return 0.0F;
    282            }
    283            else
    284            {
    285                int var3 = par1 / 256;
    286
    287                if (this.glyphTextureName[var3] == 0)
    288                {
    289                    this.loadGlyphTexture(var3);
    290                }
    291
    292                if (this.boundTextureName != this.glyphTextureName[var3])
    293                {
    294                    GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.glyphTextureName[var3]);
    295                    this.boundTextureName = this.glyphTextureName[var3];
    296                }
    297
    298                int var4 = this.glyphWidth[par1] >>> 4;
    299                int var5 = this.glyphWidth[par1] & 15;
    300                float var6 = (float)var4;
    301                float var7 = (float)(var5 + 1);
    302                float var8 = (float)(par1 % 16 * 16) + var6;
    303                float var9 = (float)((par1 & 255) / 16 * 16);
    304                float var10 = var7 - var6 - 0.02F;
    305                float var11 = par2 ? 1.0F : 0.0F;
    306                GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
    307                GL11.glTexCoord2f(var8 / 256.0F, var9 / 256.0F);
    308                GL11.glVertex3f(this.posX + var11, this.posY, 0.0F);
    309                GL11.glTexCoord2f(var8 / 256.0F, (var9 + 15.98F) / 256.0F);
    310                GL11.glVertex3f(this.posX - var11, this.posY + 7.99F, 0.0F);
    311                GL11.glTexCoord2f((var8 + var10) / 256.0F, var9 / 256.0F);
    312                GL11.glVertex3f(this.posX + var10 / 2.0F + var11, this.posY, 0.0F);
    313                GL11.glTexCoord2f((var8 + var10) / 256.0F, (var9 + 15.98F) / 256.0F);
    314                GL11.glVertex3f(this.posX + var10 / 2.0F - var11, this.posY + 7.99F, 0.0F);
    315                GL11.glEnd();
    316                return (var7 - var6) / 2.0F + 1.0F;
    317            }
    318        }
    319
    320        /**
    321         * Draws the specified string with a shadow.
    322         */
    323        public int drawStringWithShadow(String par1Str, int par2, int par3, int par4)
    324        {
    325            return this.func_85187_a(par1Str, par2, par3, par4, true);
    326        }
    327
    328        /**
    329         * Draws the specified string.
    330         */
    331        public int drawString(String par1Str, int par2, int par3, int par4)
    332        {
    333            return this.func_85187_a(par1Str, par2, par3, par4, false);
    334        }
    335
    336        public int func_85187_a(String par1Str, int par2, int par3, int par4, boolean par5)
    337        {
    338            this.resetStyles();
    339
    340            if (this.bidiFlag)
    341            {
    342                par1Str = this.bidiReorder(par1Str);
    343            }
    344
    345            int var6;
    346
    347            if (par5)
    348            {
    349                var6 = this.renderString(par1Str, par2 + 1, par3 + 1, par4, true);
    350                var6 = Math.max(var6, this.renderString(par1Str, par2, par3, par4, false));
    351            }
    352            else
    353            {
    354                var6 = this.renderString(par1Str, par2, par3, par4, false);
    355            }
    356
    357            return var6;
    358        }
    359
    360        /**
    361         * Apply Unicode Bidirectional Algorithm to string and return a new possibly reordered string for visual rendering.
    362         */
    363        private String bidiReorder(String par1Str)
    364        {
    365            if (par1Str != null && Bidi.requiresBidi(par1Str.toCharArray(), 0, par1Str.length()))
    366            {
    367                Bidi var2 = new Bidi(par1Str, -2);
    368                byte[] var3 = new byte[var2.getRunCount()];
    369                String[] var4 = new String[var3.length];
    370                int var7;
    371
    372                for (int var5 = 0; var5 < var3.length; ++var5)
    373                {
    374                    int var6 = var2.getRunStart(var5);
    375                    var7 = var2.getRunLimit(var5);
    376                    int var8 = var2.getRunLevel(var5);
    377                    String var9 = par1Str.substring(var6, var7);
    378                    var3[var5] = (byte)var8;
    379                    var4[var5] = var9;
    380                }
    381
    382                String[] var11 = (String[])var4.clone();
    383                Bidi.reorderVisually(var3, 0, var4, 0, var3.length);
    384                StringBuilder var12 = new StringBuilder();
    385                var7 = 0;
    386
    387                while (var7 < var4.length)
    388                {
    389                    byte var13 = var3[var7];
    390                    int var14 = 0;
    391
    392                    while (true)
    393                    {
    394                        if (var14 < var11.length)
    395                        {
    396                            if (!var11[var14].equals(var4[var7]))
    397                            {
    398                                ++var14;
    399                                continue;
    400                            }
    401
    402                            var13 = var3[var14];
    403                        }
    404
    405                        if ((var13 & 1) == 0)
    406                        {
    407                            var12.append(var4[var7]);
    408                        }
    409                        else
    410                        {
    411                            for (var14 = var4[var7].length() - 1; var14 >= 0; --var14)
    412                            {
    413                                char var10 = var4[var7].charAt(var14);
    414
    415                                if (var10 == 40)
    416                                {
    417                                    var10 = 41;
    418                                }
    419                                else if (var10 == 41)
    420                                {
    421                                    var10 = 40;
    422                                }
    423
    424                                var12.append(var10);
    425                            }
    426                        }
    427
    428                        ++var7;
    429                        break;
    430                    }
    431                }
    432
    433                return var12.toString();
    434            }
    435            else
    436            {
    437                return par1Str;
    438            }
    439        }
    440
    441        /**
    442         * Reset all style flag fields in the class to false; called at the start of string rendering
    443         */
    444        private void resetStyles()
    445        {
    446            this.randomStyle = false;
    447            this.boldStyle = false;
    448            this.italicStyle = false;
    449            this.underlineStyle = false;
    450            this.strikethroughStyle = false;
    451        }
    452
    453        /**
    454         * Render a single line string at the current (posX,posY) and update posX
    455         */
    456        private void renderStringAtPos(String par1Str, boolean par2)
    457        {
    458            for (int var3 = 0; var3 < par1Str.length(); ++var3)
    459            {
    460                char var4 = par1Str.charAt(var3);
    461                int var5;
    462                int var6;
    463
    464                if (var4 == 167 && var3 + 1 < par1Str.length())
    465                {
    466                    var5 = "0123456789abcdefklmnor".indexOf(par1Str.toLowerCase().charAt(var3 + 1));
    467
    468                    if (var5 < 16)
    469                    {
    470                        this.randomStyle = false;
    471                        this.boldStyle = false;
    472                        this.strikethroughStyle = false;
    473                        this.underlineStyle = false;
    474                        this.italicStyle = false;
    475
    476                        if (var5 < 0 || var5 > 15)
    477                        {
    478                            var5 = 15;
    479                        }
    480
    481                        if (par2)
    482                        {
    483                            var5 += 16;
    484                        }
    485
    486                        var6 = this.colorCode[var5];
    487                        this.textColor = var6;
    488                        GL11.glColor4f((float)(var6 >> 16) / 255.0F, (float)(var6 >> 8 & 255) / 255.0F, (float)(var6 & 255) / 255.0F, this.alpha);
    489                    }
    490                    else if (var5 == 16)
    491                    {
    492                        this.randomStyle = true;
    493                    }
    494                    else if (var5 == 17)
    495                    {
    496                        this.boldStyle = true;
    497                    }
    498                    else if (var5 == 18)
    499                    {
    500                        this.strikethroughStyle = true;
    501                    }
    502                    else if (var5 == 19)
    503                    {
    504                        this.underlineStyle = true;
    505                    }
    506                    else if (var5 == 20)
    507                    {
    508                        this.italicStyle = true;
    509                    }
    510                    else if (var5 == 21)
    511                    {
    512                        this.randomStyle = false;
    513                        this.boldStyle = false;
    514                        this.strikethroughStyle = false;
    515                        this.underlineStyle = false;
    516                        this.italicStyle = false;
    517                        GL11.glColor4f(this.red, this.blue, this.green, this.alpha);
    518                    }
    519
    520                    ++var3;
    521                }
    522                else
    523                {
    524                    var5 = ChatAllowedCharacters.allowedCharacters.indexOf(var4);
    525
    526                    if (this.randomStyle && var5 > 0)
    527                    {
    528                        do
    529                        {
    530                            var6 = this.fontRandom.nextInt(ChatAllowedCharacters.allowedCharacters.length());
    531                        }
    532                        while (this.charWidth[var5 + 32] != this.charWidth[var6 + 32]);
    533
    534                        var5 = var6;
    535                    }
    536
    537                    float var9 = this.renderCharAtPos(var5, var4, this.italicStyle);
    538
    539                    if (this.boldStyle)
    540                    {
    541                        ++this.posX;
    542                        this.renderCharAtPos(var5, var4, this.italicStyle);
    543                        --this.posX;
    544                        ++var9;
    545                    }
    546
    547                    Tessellator var7;
    548
    549                    if (this.strikethroughStyle)
    550                    {
    551                        var7 = Tessellator.instance;
    552                        GL11.glDisable(GL11.GL_TEXTURE_2D);
    553                        var7.startDrawingQuads();
    554                        var7.addVertex((double)this.posX, (double)(this.posY + (float)(this.FONT_HEIGHT / 2)), 0.0D);
    555                        var7.addVertex((double)(this.posX + var9), (double)(this.posY + (float)(this.FONT_HEIGHT / 2)), 0.0D);
    556                        var7.addVertex((double)(this.posX + var9), (double)(this.posY + (float)(this.FONT_HEIGHT / 2) - 1.0F), 0.0D);
    557                        var7.addVertex((double)this.posX, (double)(this.posY + (float)(this.FONT_HEIGHT / 2) - 1.0F), 0.0D);
    558                        var7.draw();
    559                        GL11.glEnable(GL11.GL_TEXTURE_2D);
    560                    }
    561
    562                    if (this.underlineStyle)
    563                    {
    564                        var7 = Tessellator.instance;
    565                        GL11.glDisable(GL11.GL_TEXTURE_2D);
    566                        var7.startDrawingQuads();
    567                        int var8 = this.underlineStyle ? -1 : 0;
    568                        var7.addVertex((double)(this.posX + (float)var8), (double)(this.posY + (float)this.FONT_HEIGHT), 0.0D);
    569                        var7.addVertex((double)(this.posX + var9), (double)(this.posY + (float)this.FONT_HEIGHT), 0.0D);
    570                        var7.addVertex((double)(this.posX + var9), (double)(this.posY + (float)this.FONT_HEIGHT - 1.0F), 0.0D);
    571                        var7.addVertex((double)(this.posX + (float)var8), (double)(this.posY + (float)this.FONT_HEIGHT - 1.0F), 0.0D);
    572                        var7.draw();
    573                        GL11.glEnable(GL11.GL_TEXTURE_2D);
    574                    }
    575
    576                    this.posX += (float)((int)var9);
    577                }
    578            }
    579        }
    580
    581        /**
    582         * Render string either left or right aligned depending on bidiFlag
    583         */
    584        private int renderStringAligned(String par1Str, int par2, int par3, int par4, int par5, boolean par6)
    585        {
    586            if (this.bidiFlag)
    587            {
    588                par1Str = this.bidiReorder(par1Str);
    589                int var7 = this.getStringWidth(par1Str);
    590                par2 = par2 + par4 - var7;
    591            }
    592
    593            return this.renderString(par1Str, par2, par3, par5, par6);
    594        }
    595
    596        /**
    597         * Render single line string by setting GL color, current (posX,posY), and calling renderStringAtPos()
    598         */
    599        private int renderString(String par1Str, int par2, int par3, int par4, boolean par5)
    600        {
    601            if (par1Str == null)
    602            {
    603                return 0;
    604            }
    605            else
    606            {
    607                this.boundTextureName = 0;
    608
    609                if ((par4 & -67108864) == 0)
    610                {
    611                    par4 |= -16777216;
    612                }
    613
    614                if (par5)
    615                {
    616                    par4 = (par4 & 16579836) >> 2 | par4 & -16777216;
    617                }
    618
    619                this.red = (float)(par4 >> 16 & 255) / 255.0F;
    620                this.blue = (float)(par4 >> 8 & 255) / 255.0F;
    621                this.green = (float)(par4 & 255) / 255.0F;
    622                this.alpha = (float)(par4 >> 24 & 255) / 255.0F;
    623                GL11.glColor4f(this.red, this.blue, this.green, this.alpha);
    624                this.posX = (float)par2;
    625                this.posY = (float)par3;
    626                this.renderStringAtPos(par1Str, par5);
    627                return (int)this.posX;
    628            }
    629        }
    630
    631        /**
    632         * Returns the width of this string. Equivalent of FontMetrics.stringWidth(String s).
    633         */
    634        public int getStringWidth(String par1Str)
    635        {
    636            if (par1Str == null)
    637            {
    638                return 0;
    639            }
    640            else
    641            {
    642                int var2 = 0;
    643                boolean var3 = false;
    644
    645                for (int var4 = 0; var4 < par1Str.length(); ++var4)
    646                {
    647                    char var5 = par1Str.charAt(var4);
    648                    int var6 = this.getCharWidth(var5);
    649
    650                    if (var6 < 0 && var4 < par1Str.length() - 1)
    651                    {
    652                        ++var4;
    653                        var5 = par1Str.charAt(var4);
    654
    655                        if (var5 != 108 && var5 != 76)
    656                        {
    657                            if (var5 == 114 || var5 == 82)
    658                            {
    659                                var3 = false;
    660                            }
    661                        }
    662                        else
    663                        {
    664                            var3 = true;
    665                        }
    666
    667                        var6 = 0;
    668                    }
    669
    670                    var2 += var6;
    671
    672                    if (var3)
    673                    {
    674                        ++var2;
    675                    }
    676                }
    677
    678                return var2;
    679            }
    680        }
    681
    682        /**
    683         * Returns the width of this character as rendered.
    684         */
    685        public int getCharWidth(char par1)
    686        {
    687            if (par1 == 167)
    688            {
    689                return -1;
    690            }
    691            else if (par1 == 32)
    692            {
    693                return 4;
    694            }
    695            else
    696            {
    697                int var2 = ChatAllowedCharacters.allowedCharacters.indexOf(par1);
    698
    699                if (var2 >= 0 && !this.unicodeFlag)
    700                {
    701                    return this.charWidth[var2 + 32];
    702                }
    703                else if (this.glyphWidth[par1] != 0)
    704                {
    705                    int var3 = this.glyphWidth[par1] >>> 4;
    706                    int var4 = this.glyphWidth[par1] & 15;
    707
    708                    if (var4 > 7)
    709                    {
    710                        var4 = 15;
    711                        var3 = 0;
    712                    }
    713
    714                    ++var4;
    715                    return (var4 - var3) / 2 + 1;
    716                }
    717                else
    718                {
    719                    return 0;
    720                }
    721            }
    722        }
    723
    724        /**
    725         * Trims a string to fit a specified Width.
    726         */
    727        public String trimStringToWidth(String par1Str, int par2)
    728        {
    729            return this.trimStringToWidth(par1Str, par2, false);
    730        }
    731
    732        /**
    733         * Trims a string to a specified width, and will reverse it if par3 is set.
    734         */
    735        public String trimStringToWidth(String par1Str, int par2, boolean par3)
    736        {
    737            StringBuilder var4 = new StringBuilder();
    738            int var5 = 0;
    739            int var6 = par3 ? par1Str.length() - 1 : 0;
    740            int var7 = par3 ? -1 : 1;
    741            boolean var8 = false;
    742            boolean var9 = false;
    743
    744            for (int var10 = var6; var10 >= 0 && var10 < par1Str.length() && var5 < par2; var10 += var7)
    745            {
    746                char var11 = par1Str.charAt(var10);
    747                int var12 = this.getCharWidth(var11);
    748
    749                if (var8)
    750                {
    751                    var8 = false;
    752
    753                    if (var11 != 108 && var11 != 76)
    754                    {
    755                        if (var11 == 114 || var11 == 82)
    756                        {
    757                            var9 = false;
    758                        }
    759                    }
    760                    else
    761                    {
    762                        var9 = true;
    763                    }
    764                }
    765                else if (var12 < 0)
    766                {
    767                    var8 = true;
    768                }
    769                else
    770                {
    771                    var5 += var12;
    772
    773                    if (var9)
    774                    {
    775                        ++var5;
    776                    }
    777                }
    778
    779                if (var5 > par2)
    780                {
    781                    break;
    782                }
    783
    784                if (par3)
    785                {
    786                    var4.insert(0, var11);
    787                }
    788                else
    789                {
    790                    var4.append(var11);
    791                }
    792            }
    793
    794            return var4.toString();
    795        }
    796
    797        /**
    798         * Remove all newline characters from the end of the string
    799         */
    800        private String trimStringNewline(String par1Str)
    801        {
    802            while (par1Str != null && par1Str.endsWith("\n"))
    803            {
    804                par1Str = par1Str.substring(0, par1Str.length() - 1);
    805            }
    806
    807            return par1Str;
    808        }
    809
    810        /**
    811         * Splits and draws a String with wordwrap (maximum length is parameter k)
    812         */
    813        public void drawSplitString(String par1Str, int par2, int par3, int par4, int par5)
    814        {
    815            this.resetStyles();
    816            this.textColor = par5;
    817            par1Str = this.trimStringNewline(par1Str);
    818            this.renderSplitString(par1Str, par2, par3, par4, false);
    819        }
    820
    821        /**
    822         * Perform actual work of rendering a multi-line string with wordwrap and with darker drop shadow color if flag is
    823         * set
    824         */
    825        private void renderSplitString(String par1Str, int par2, int par3, int par4, boolean par5)
    826        {
    827            List var6 = this.listFormattedStringToWidth(par1Str, par4);
    828
    829            for (Iterator var7 = var6.iterator(); var7.hasNext(); par3 += this.FONT_HEIGHT)
    830            {
    831                String var8 = (String)var7.next();
    832                this.renderStringAligned(var8, par2, par3, par4, this.textColor, par5);
    833            }
    834        }
    835
    836        /**
    837         * Returns the width of the wordwrapped String (maximum length is parameter k)
    838         */
    839        public int splitStringWidth(String par1Str, int par2)
    840        {
    841            return this.FONT_HEIGHT * this.listFormattedStringToWidth(par1Str, par2).size();
    842        }
    843
    844        /**
    845         * Set unicodeFlag controlling whether strings should be rendered with Unicode fonts instead of the default.png
    846         * font.
    847         */
    848        public void setUnicodeFlag(boolean par1)
    849        {
    850            this.unicodeFlag = par1;
    851        }
    852
    853        /**
    854         * Get unicodeFlag controlling whether strings should be rendered with Unicode fonts instead of the default.png
    855         * font.
    856         */
    857        public boolean getUnicodeFlag()
    858        {
    859            return this.unicodeFlag;
    860        }
    861
    862        /**
    863         * Set bidiFlag to control if the Unicode Bidirectional Algorithm should be run before rendering any string.
    864         */
    865        public void setBidiFlag(boolean par1)
    866        {
    867            this.bidiFlag = par1;
    868        }
    869
    870        /**
    871         * Breaks a string into a list of pieces that will fit a specified width.
    872         */
    873        public List listFormattedStringToWidth(String par1Str, int par2)
    874        {
    875            return Arrays.asList(this.wrapFormattedStringToWidth(par1Str, par2).split("\n"));
    876        }
    877
    878        /**
    879         * Inserts newline and formatting into a string to wrap it within the specified width.
    880         */
    881        String wrapFormattedStringToWidth(String par1Str, int par2)
    882        {
    883            int var3 = this.sizeStringToWidth(par1Str, par2);
    884
    885            if (par1Str.length() <= var3)
    886            {
    887                return par1Str;
    888            }
    889            else
    890            {
    891                String var4 = par1Str.substring(0, var3);
    892                char var5 = par1Str.charAt(var3);
    893                boolean var6 = var5 == 32 || var5 == 10;
    894                String var7 = getFormatFromString(var4) + par1Str.substring(var3 + (var6 ? 1 : 0));
    895                return var4 + "\n" + this.wrapFormattedStringToWidth(var7, par2);
    896            }
    897        }
    898
    899        /**
    900         * Determines how many characters from the string will fit into the specified width.
    901         */
    902        private int sizeStringToWidth(String par1Str, int par2)
    903        {
    904            int var3 = par1Str.length();
    905            int var4 = 0;
    906            int var5 = 0;
    907            int var6 = -1;
    908
    909            for (boolean var7 = false; var5 < var3; ++var5)
    910            {
    911                char var8 = par1Str.charAt(var5);
    912
    913                switch (var8)
    914                {
    915                    case 10:
    916                        --var5;
    917                        break;
    918                    case 167:
    919                        if (var5 < var3 - 1)
    920                        {
    921                            ++var5;
    922                            char var9 = par1Str.charAt(var5);
    923
    924                            if (var9 != 108 && var9 != 76)
    925                            {
    926                                if (var9 == 114 || var9 == 82)
    927                                {
    928                                    var7 = false;
    929                                }
    930                            }
    931                            else
    932                            {
    933                                var7 = true;
    934                            }
    935                        }
    936
    937                        break;
    938                    case 32:
    939                        var6 = var5;
    940                    default:
    941                        var4 += this.getCharWidth(var8);
    942
    943                        if (var7)
    944                        {
    945                            ++var4;
    946                        }
    947                }
    948
    949                if (var8 == 10)
    950                {
    951                    ++var5;
    952                    var6 = var5;
    953                    break;
    954                }
    955
    956                if (var4 > par2)
    957                {
    958                    break;
    959                }
    960            }
    961
    962            return var5 != var3 && var6 != -1 && var6 < var5 ? var6 : var5;
    963        }
    964
    965        /**
    966         * Checks if the char code is a hexadecimal character, used to set colour.
    967         */
    968        private static boolean isFormatColor(char par0)
    969        {
    970            return par0 >= 48 && par0 <= 57 || par0 >= 97 && par0 <= 102 || par0 >= 65 && par0 <= 70;
    971        }
    972
    973        /**
    974         * Checks if the char code is O-K...lLrRk-o... used to set special formatting.
    975         */
    976        private static boolean isFormatSpecial(char par0)
    977        {
    978            return par0 >= 107 && par0 <= 111 || par0 >= 75 && par0 <= 79 || par0 == 114 || par0 == 82;
    979        }
    980
    981        /**
    982         * Digests a string for nonprinting formatting characters then returns a string containing only that formatting.
    983         */
    984        private static String getFormatFromString(String par0Str)
    985        {
    986            String var1 = "";
    987            int var2 = -1;
    988            int var3 = par0Str.length();
    989
    990            while ((var2 = par0Str.indexOf(167, var2 + 1)) != -1)
    991            {
    992                if (var2 < var3 - 1)
    993                {
    994                    char var4 = par0Str.charAt(var2 + 1);
    995
    996                    if (isFormatColor(var4))
    997                    {
    998                        var1 = "\u00a7" + var4;
    999                    }
    1000                    else if (isFormatSpecial(var4))
    1001                    {
    1002                        var1 = var1 + "\u00a7" + var4;
    1003                    }
    1004                }
    1005            }
    1006
    1007            return var1;
    1008        }
    1009
    1010        /**
    1011         * Get bidiFlag that controls if the Unicode Bidirectional Algorithm should be run before rendering any string
    1012         */
    1013        public boolean getBidiFlag()
    1014        {
    1015            return this.bidiFlag;
    1016        }
    1017    }