    001package net.minecraft.client.gui;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import java.util.Random;
    006import net.minecraft.client.gui.inventory.GuiContainer;
    007import net.minecraft.client.model.ModelBook;
    008import net.minecraft.client.renderer.RenderHelper;
    009import net.minecraft.entity.Entity;
    010import net.minecraft.entity.player.InventoryPlayer;
    011import net.minecraft.inventory.ContainerEnchantment;
    012import net.minecraft.item.ItemStack;
    013import net.minecraft.util.EnchantmentNameParts;
    014import net.minecraft.util.MathHelper;
    015import net.minecraft.util.StatCollector;
    016import net.minecraft.world.World;
    017import org.lwjgl.opengl.GL11;
    018import org.lwjgl.opengl.GL12;
    019import org.lwjgl.util.glu.GLU;
    020
    021@SideOnly(Side.CLIENT)
    022public class GuiEnchantment extends GuiContainer
    023{
    024    /** The book model used on the GUI. */
    025    private static ModelBook bookModel = new ModelBook();
    026    private Random rand = new Random();
    027
    028    /** ContainerEnchantment object associated with this gui */
    029    private ContainerEnchantment containerEnchantment;
    030    public int field_74214_o;
    031    public float field_74213_p;
    032    public float field_74212_q;
    033    public float field_74211_r;
    034    public float field_74210_s;
    035    public float field_74209_t;
    036    public float field_74208_u;
    037    ItemStack theItemStack;
    038
    039    public GuiEnchantment(InventoryPlayer par1InventoryPlayer, World par2World, int par3, int par4, int par5)
    040    {
    041        super(new ContainerEnchantment(par1InventoryPlayer, par2World, par3, par4, par5));
    042        this.containerEnchantment = (ContainerEnchantment)this.inventorySlots;
    043    }
    044
    045    /**
    046     * Draw the foreground layer for the GuiContainer (everything in front of the items)
    047     */
    048    protected void drawGuiContainerForegroundLayer(int par1, int par2)
    049    {
    050        this.fontRenderer.drawString(StatCollector.translateToLocal("container.enchant"), 12, 6, 4210752);
    051        this.fontRenderer.drawString(StatCollector.translateToLocal("container.inventory"), 8, this.ySize - 96 + 2, 4210752);
    052    }
    053
    054    /**
    055     * Called from the main game loop to update the screen.
    056     */
    057    public void updateScreen()
    058    {
    059        super.updateScreen();
    060        this.func_74205_h();
    061    }
    062
    063    /**
    064     * Called when the mouse is clicked.
    065     */
    066    protected void mouseClicked(int par1, int par2, int par3)
    067    {
    068        super.mouseClicked(par1, par2, par3);
    069        int var4 = (this.width - this.xSize) / 2;
    070        int var5 = (this.height - this.ySize) / 2;
    071
    072        for (int var6 = 0; var6 < 3; ++var6)
    073        {
    074            int var7 = par1 - (var4 + 60);
    075            int var8 = par2 - (var5 + 14 + 19 * var6);
    076
    077            if (var7 >= 0 && var8 >= 0 && var7 < 108 && var8 < 19 && this.containerEnchantment.enchantItem(this.mc.thePlayer, var6))
    078            {
    079                this.mc.playerController.sendEnchantPacket(this.containerEnchantment.windowId, var6);
    080            }
    081        }
    082    }
    083
    084    /**
    085     * Draw the background layer for the GuiContainer (everything behind the items)
    086     */
    087    protected void drawGuiContainerBackgroundLayer(float par1, int par2, int par3)
    088    {
    089        int var4 = this.mc.renderEngine.getTexture("/gui/enchant.png");
    090        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    091        this.mc.renderEngine.bindTexture(var4);
    092        int var5 = (this.width - this.xSize) / 2;
    093        int var6 = (this.height - this.ySize) / 2;
    094        this.drawTexturedModalRect(var5, var6, 0, 0, this.xSize, this.ySize);
    095        GL11.glPushMatrix();
    096        GL11.glMatrixMode(GL11.GL_PROJECTION);
    097        GL11.glPushMatrix();
    098        GL11.glLoadIdentity();
    099        ScaledResolution var7 = new ScaledResolution(this.mc.gameSettings, this.mc.displayWidth, this.mc.displayHeight);
    100        GL11.glViewport((var7.getScaledWidth() - 320) / 2 * var7.getScaleFactor(), (var7.getScaledHeight() - 240) / 2 * var7.getScaleFactor(), 320 * var7.getScaleFactor(), 240 * var7.getScaleFactor());
    101        GL11.glTranslatef(-0.34F, 0.23F, 0.0F);
    102        GLU.gluPerspective(90.0F, 1.3333334F, 9.0F, 80.0F);
    103        float var8 = 1.0F;
    104        GL11.glMatrixMode(GL11.GL_MODELVIEW);
    105        GL11.glLoadIdentity();
    106        RenderHelper.enableStandardItemLighting();
    107        GL11.glTranslatef(0.0F, 3.3F, -16.0F);
    108        GL11.glScalef(var8, var8, var8);
    109        float var9 = 5.0F;
    110        GL11.glScalef(var9, var9, var9);
    111        GL11.glRotatef(180.0F, 0.0F, 0.0F, 1.0F);
    112        this.mc.renderEngine.bindTexture(this.mc.renderEngine.getTexture("/item/book.png"));
    113        GL11.glRotatef(20.0F, 1.0F, 0.0F, 0.0F);
    114        float var10 = this.field_74208_u + (this.field_74209_t - this.field_74208_u) * par1;
    115        GL11.glTranslatef((1.0F - var10) * 0.2F, (1.0F - var10) * 0.1F, (1.0F - var10) * 0.25F);
    116        GL11.glRotatef(-(1.0F - var10) * 90.0F - 90.0F, 0.0F, 1.0F, 0.0F);
    117        GL11.glRotatef(180.0F, 1.0F, 0.0F, 0.0F);
    118        float var11 = this.field_74212_q + (this.field_74213_p - this.field_74212_q) * par1 + 0.25F;
    119        float var12 = this.field_74212_q + (this.field_74213_p - this.field_74212_q) * par1 + 0.75F;
    120        var11 = (var11 - (float)MathHelper.truncateDoubleToInt((double)var11)) * 1.6F - 0.3F;
    121        var12 = (var12 - (float)MathHelper.truncateDoubleToInt((double)var12)) * 1.6F - 0.3F;
    122
    123        if (var11 < 0.0F)
    124        {
    125            var11 = 0.0F;
    126        }
    127
    128        if (var12 < 0.0F)
    129        {
    130            var12 = 0.0F;
    131        }
    132
    133        if (var11 > 1.0F)
    134        {
    135            var11 = 1.0F;
    136        }
    137
    138        if (var12 > 1.0F)
    139        {
    140            var12 = 1.0F;
    141        }
    142
    143        GL11.glEnable(GL12.GL_RESCALE_NORMAL);
    144        bookModel.render((Entity)null, 0.0F, var11, var12, var10, 0.0F, 0.0625F);
    145        GL11.glDisable(GL12.GL_RESCALE_NORMAL);
    146        RenderHelper.disableStandardItemLighting();
    147        GL11.glMatrixMode(GL11.GL_PROJECTION);
    148        GL11.glViewport(0, 0, this.mc.displayWidth, this.mc.displayHeight);
    149        GL11.glPopMatrix();
    150        GL11.glMatrixMode(GL11.GL_MODELVIEW);
    151        GL11.glPopMatrix();
    152        RenderHelper.disableStandardItemLighting();
    153        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    154        this.mc.renderEngine.bindTexture(var4);
    155        EnchantmentNameParts.instance.setRandSeed(this.containerEnchantment.nameSeed);
    156
    157        for (int var13 = 0; var13 < 3; ++var13)
    158        {
    159            String var14 = EnchantmentNameParts.instance.generateRandomEnchantName();
    160            this.zLevel = 0.0F;
    161            this.mc.renderEngine.bindTexture(var4);
    162            int var15 = this.containerEnchantment.enchantLevels[var13];
    163            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    164
    165            if (var15 == 0)
    166            {
    167                this.drawTexturedModalRect(var5 + 60, var6 + 14 + 19 * var13, 0, 185, 108, 19);
    168            }
    169            else
    170            {
    171                String var16 = "" + var15;
    172                FontRenderer var17 = this.mc.standardGalacticFontRenderer;
    173                int var18 = 6839882;
    174
    175                if (this.mc.thePlayer.experienceLevel < var15 && !this.mc.thePlayer.capabilities.isCreativeMode)
    176                {
    177                    this.drawTexturedModalRect(var5 + 60, var6 + 14 + 19 * var13, 0, 185, 108, 19);
    178                    var17.drawSplitString(var14, var5 + 62, var6 + 16 + 19 * var13, 104, (var18 & 16711422) >> 1);
    179                    var17 = this.mc.fontRenderer;
    180                    var18 = 4226832;
    181                    var17.drawStringWithShadow(var16, var5 + 62 + 104 - var17.getStringWidth(var16), var6 + 16 + 19 * var13 + 7, var18);
    182                }
    183                else
    184                {
    185                    int var19 = par2 - (var5 + 60);
    186                    int var20 = par3 - (var6 + 14 + 19 * var13);
    187
    188                    if (var19 >= 0 && var20 >= 0 && var19 < 108 && var20 < 19)
    189                    {
    190                        this.drawTexturedModalRect(var5 + 60, var6 + 14 + 19 * var13, 0, 204, 108, 19);
    191                        var18 = 16777088;
    192                    }
    193                    else
    194                    {
    195                        this.drawTexturedModalRect(var5 + 60, var6 + 14 + 19 * var13, 0, 166, 108, 19);
    196                    }
    197
    198                    var17.drawSplitString(var14, var5 + 62, var6 + 16 + 19 * var13, 104, var18);
    199                    var17 = this.mc.fontRenderer;
    200                    var18 = 8453920;
    201                    var17.drawStringWithShadow(var16, var5 + 62 + 104 - var17.getStringWidth(var16), var6 + 16 + 19 * var13 + 7, var18);
    202                }
    203            }
    204        }
    205    }
    206
    207    public void func_74205_h()
    208    {
    209        ItemStack var1 = this.inventorySlots.getSlot(0).getStack();
    210
    211        if (!ItemStack.areItemStacksEqual(var1, this.theItemStack))
    212        {
    213            this.theItemStack = var1;
    214
    215            do
    216            {
    217                this.field_74211_r += (float)(this.rand.nextInt(4) - this.rand.nextInt(4));
    218            }
    219            while (this.field_74213_p <= this.field_74211_r + 1.0F && this.field_74213_p >= this.field_74211_r - 1.0F);
    220        }
    221
    222        ++this.field_74214_o;
    223        this.field_74212_q = this.field_74213_p;
    224        this.field_74208_u = this.field_74209_t;
    225        boolean var2 = false;
    226
    227        for (int var3 = 0; var3 < 3; ++var3)
    228        {
    229            if (this.containerEnchantment.enchantLevels[var3] != 0)
    230            {
    231                var2 = true;
    232            }
    233        }
    234
    235        if (var2)
    236        {
    237            this.field_74209_t += 0.2F;
    238        }
    239        else
    240        {
    241            this.field_74209_t -= 0.2F;
    242        }
    243
    244        if (this.field_74209_t < 0.0F)
    245        {
    246            this.field_74209_t = 0.0F;
    247        }
    248
    249        if (this.field_74209_t > 1.0F)
    250        {
    251            this.field_74209_t = 1.0F;
    252        }
    253
    254        float var5 = (this.field_74211_r - this.field_74213_p) * 0.4F;
    255        float var4 = 0.2F;
    256
    257        if (var5 < -var4)
    258        {
    259            var5 = -var4;
    260        }
    261
    262        if (var5 > var4)
    263        {
    264            var5 = var4;
    265        }
    266
    267        this.field_74210_s += (var5 - this.field_74210_s) * 0.9F;
    268        this.field_74213_p += this.field_74210_s;
    269    }
    270}