    001package net.minecraft.client.gui;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import java.util.ArrayList;
    006import java.util.Iterator;
    007import java.util.List;
    008import net.minecraft.client.Minecraft;
    009import net.minecraft.util.StringTranslate;
    010import net.minecraft.util.StringUtils;
    011import org.lwjgl.opengl.GL11;
    012
    013@SideOnly(Side.CLIENT)
    014public class GuiNewChat extends Gui
    015{
    016    /** The Minecraft instance. */
    017    private final Minecraft mc;
    018
    019    /** A list of messages previously sent through the chat GUI */
    020    private final List sentMessages = new ArrayList();
    021
    022    /** Chat lines to be displayed in the chat box */
    023    private final List chatLines = new ArrayList();
    024    private int field_73768_d = 0;
    025    private boolean field_73769_e = false;
    026
    027    public GuiNewChat(Minecraft par1Minecraft)
    028    {
    029        this.mc = par1Minecraft;
    030    }
    031
    032    public void drawChat(int par1)
    033    {
    034        if (this.mc.gameSettings.chatVisibility != 2)
    035        {
    036            byte var2 = 10;
    037            boolean var3 = false;
    038            int var4 = 0;
    039            int var5 = this.chatLines.size();
    040            float var6 = this.mc.gameSettings.chatOpacity * 0.9F + 0.1F;
    041
    042            if (var5 > 0)
    043            {
    044                if (this.getChatOpen())
    045                {
    046                    var2 = 20;
    047                    var3 = true;
    048                }
    049
    050                int var7;
    051                int var9;
    052                int var12;
    053
    054                for (var7 = 0; var7 + this.field_73768_d < this.chatLines.size() && var7 < var2; ++var7)
    055                {
    056                    ChatLine var8 = (ChatLine)this.chatLines.get(var7 + this.field_73768_d);
    057
    058                    if (var8 != null)
    059                    {
    060                        var9 = par1 - var8.getUpdatedCounter();
    061
    062                        if (var9 < 200 || var3)
    063                        {
    064                            double var10 = (double)var9 / 200.0D;
    065                            var10 = 1.0D - var10;
    066                            var10 *= 10.0D;
    067
    068                            if (var10 < 0.0D)
    069                            {
    070                                var10 = 0.0D;
    071                            }
    072
    073                            if (var10 > 1.0D)
    074                            {
    075                                var10 = 1.0D;
    076                            }
    077
    078                            var10 *= var10;
    079                            var12 = (int)(255.0D * var10);
    080
    081                            if (var3)
    082                            {
    083                                var12 = 255;
    084                            }
    085
    086                            var12 = (int)((float)var12 * var6);
    087                            ++var4;
    088
    089                            if (var12 > 3)
    090                            {
    091                                byte var13 = 3;
    092                                int var14 = -var7 * 9;
    093                                drawRect(var13, var14 - 1, var13 + 320 + 4, var14 + 8, var12 / 2 << 24);
    094                                GL11.glEnable(GL11.GL_BLEND);
    095                                String var15 = var8.getChatLineString();
    096
    097                                if (!this.mc.gameSettings.chatColours)
    098                                {
    099                                    var15 = StringUtils.stripControlCodes(var15);
    100                                }
    101
    102                                this.mc.fontRenderer.drawStringWithShadow(var15, var13, var14, 16777215 + (var12 << 24));
    103                            }
    104                        }
    105                    }
    106                }
    107
    108                if (var3)
    109                {
    110                    var7 = this.mc.fontRenderer.FONT_HEIGHT;
    111                    GL11.glTranslatef(0.0F, (float)var7, 0.0F);
    112                    int var16 = var5 * var7 + var5;
    113                    var9 = var4 * var7 + var4;
    114                    int var17 = this.field_73768_d * var9 / var5;
    115                    int var11 = var9 * var9 / var16;
    116
    117                    if (var16 != var9)
    118                    {
    119                        var12 = var17 > 0 ? 170 : 96;
    120                        int var18 = this.field_73769_e ? 13382451 : 3355562;
    121                        drawRect(0, -var17, 2, -var17 - var11, var18 + (var12 << 24));
    122                        drawRect(2, -var17, 1, -var17 - var11, 13421772 + (var12 << 24));
    123                    }
    124                }
    125            }
    126        }
    127    }
    128
    129    public void func_73761_a()
    130    {
    131        this.chatLines.clear();
    132        this.sentMessages.clear();
    133    }
    134
    135    /**
    136     * takes a String and prints it to chat
    137     */
    138    public void printChatMessage(String par1Str)
    139    {
    140        this.printChatMessageWithOptionalDeletion(par1Str, 0);
    141    }
    142
    143    /**
    144     * prints the String to Chat. If the ID is not 0, deletes an existing Chat Line of that ID from the GUI
    145     */
    146    public void printChatMessageWithOptionalDeletion(String par1Str, int par2)
    147    {
    148        boolean var3 = this.getChatOpen();
    149        boolean var4 = true;
    150
    151        if (par2 != 0)
    152        {
    153            this.deleteChatLine(par2);
    154        }
    155
    156        Iterator var5 = this.mc.fontRenderer.listFormattedStringToWidth(par1Str, 320).iterator();
    157
    158        while (var5.hasNext())
    159        {
    160            String var6 = (String)var5.next();
    161
    162            if (var3 && this.field_73768_d > 0)
    163            {
    164                this.field_73769_e = true;
    165                this.scroll(1);
    166            }
    167
    168            if (!var4)
    169            {
    170                var6 = " " + var6;
    171            }
    172
    173            var4 = false;
    174            this.chatLines.add(0, new ChatLine(this.mc.ingameGUI.getUpdateCounter(), var6, par2));
    175        }
    176
    177        while (this.chatLines.size() > 100)
    178        {
    179            this.chatLines.remove(this.chatLines.size() - 1);
    180        }
    181    }
    182
    183    /**
    184     * Gets the list of messages previously sent through the chat GUI
    185     */
    186    public List getSentMessages()
    187    {
    188        return this.sentMessages;
    189    }
    190
    191    /**
    192     * Adds this string to the list of sent messages, for recall using the up/down arrow keys
    193     */
    194    public void addToSentMessages(String par1Str)
    195    {
    196        if (this.sentMessages.isEmpty() || !((String)this.sentMessages.get(this.sentMessages.size() - 1)).equals(par1Str))
    197        {
    198            this.sentMessages.add(par1Str);
    199        }
    200    }
    201
    202    /**
    203     * Resets the chat scroll (executed when the GUI is closed)
    204     */
    205    public void resetScroll()
    206    {
    207        this.field_73768_d = 0;
    208        this.field_73769_e = false;
    209    }
    210
    211    /**
    212     * Scrolls the chat by the given number of lines.
    213     */
    214    public void scroll(int par1)
    215    {
    216        this.field_73768_d += par1;
    217        int var2 = this.chatLines.size();
    218
    219        if (this.field_73768_d > var2 - 20)
    220        {
    221            this.field_73768_d = var2 - 20;
    222        }
    223
    224        if (this.field_73768_d <= 0)
    225        {
    226            this.field_73768_d = 0;
    227            this.field_73769_e = false;
    228        }
    229    }
    230
    231    public ChatClickData func_73766_a(int par1, int par2)
    232    {
    233        if (!this.getChatOpen())
    234        {
    235            return null;
    236        }
    237        else
    238        {
    239            ScaledResolution var3 = new ScaledResolution(this.mc.gameSettings, this.mc.displayWidth, this.mc.displayHeight);
    240            int var4 = var3.getScaleFactor();
    241            int var5 = par1 / var4 - 3;
    242            int var6 = par2 / var4 - 40;
    243
    244            if (var5 >= 0 && var6 >= 0)
    245            {
    246                int var7 = Math.min(20, this.chatLines.size());
    247
    248                if (var5 <= 320 && var6 < this.mc.fontRenderer.FONT_HEIGHT * var7 + var7)
    249                {
    250                    int var8 = var6 / (this.mc.fontRenderer.FONT_HEIGHT + 1) + this.field_73768_d;
    251                    return new ChatClickData(this.mc.fontRenderer, (ChatLine)this.chatLines.get(var8), var5, var6 - (var8 - this.field_73768_d) * this.mc.fontRenderer.FONT_HEIGHT + var8);
    252                }
    253                else
    254                {
    255                    return null;
    256                }
    257            }
    258            else
    259            {
    260                return null;
    261            }
    262        }
    263    }
    264
    265    /**
    266     * Adds a message to the chat after translating to the client's locale.
    267     */
    268    public void addTranslatedMessage(String par1Str, Object ... par2ArrayOfObj)
    269    {
    270        this.printChatMessage(StringTranslate.getInstance().translateKeyFormat(par1Str, par2ArrayOfObj));
    271    }
    272
    273    /**
    274     * @return {@code true} if the chat GUI is open
    275     */
    276    public boolean getChatOpen()
    277    {
    278        return this.mc.currentScreen instanceof GuiChat;
    279    }
    280
    281    /**
    282     * finds and deletes a Chat line by ID
    283     */
    284    public void deleteChatLine(int par1)
    285    {
    286        Iterator var2 = this.chatLines.iterator();
    287        ChatLine var3;
    288
    289        do
    290        {
    291            if (!var2.hasNext())
    292            {
    293                return;
    294            }
    295
    296            var3 = (ChatLine)var2.next();
    297        }
    298        while (var3.getChatLineID() != par1);
    299
    300        var2.remove();
    301    }
    302}