    001package net.minecraft.client.gui;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import net.minecraft.client.Minecraft;
    006import net.minecraft.client.renderer.Tessellator;
    007import org.lwjgl.input.Mouse;
    008import org.lwjgl.opengl.GL11;
    009
    010@SideOnly(Side.CLIENT)
    011public abstract class SelectionListBase
    012{
    013    private final Minecraft field_96622_a;
    014    private final int field_96619_e;
    015    private final int field_96616_f;
    016    private final int field_96617_g;
    017    private final int field_96627_h;
    018    protected final int field_96620_b;
    019    protected int field_96621_c;
    020    protected int field_96618_d;
    021    private float field_96628_i = -2.0F;
    022    private float field_96625_j;
    023    private float field_96626_k;
    024    private int field_96623_l = -1;
    025    private long field_96624_m = 0L;
    026
    027    public SelectionListBase(Minecraft par1Minecraft, int par2, int par3, int par4, int par5, int par6)
    028    {
    029        this.field_96622_a = par1Minecraft;
    030        this.field_96616_f = par3;
    031        this.field_96627_h = par3 + par5;
    032        this.field_96620_b = par6;
    033        this.field_96619_e = par2;
    034        this.field_96617_g = par2 + par4;
    035    }
    036
    037    protected abstract int func_96608_a();
    038
    039    protected abstract void func_96615_a(int i, boolean flag);
    040
    041    protected abstract boolean func_96609_a(int i);
    042
    043    protected int func_96613_b()
    044    {
    045        return this.func_96608_a() * this.field_96620_b;
    046    }
    047
    048    protected abstract void func_96611_c();
    049
    050    protected abstract void func_96610_a(int i, int j, int k, int l, Tessellator tessellator);
    051
    052    private void func_96614_f()
    053    {
    054        int i = this.func_96607_d();
    055
    056        if (i < 0)
    057        {
    058            i = 0;
    059        }
    060
    061        if (this.field_96626_k < 0.0F)
    062        {
    063            this.field_96626_k = 0.0F;
    064        }
    065
    066        if (this.field_96626_k > (float)i)
    067        {
    068            this.field_96626_k = (float)i;
    069        }
    070    }
    071
    072    public int func_96607_d()
    073    {
    074        return this.func_96613_b() - (this.field_96627_h - this.field_96616_f - 4);
    075    }
    076
    077    public void func_96612_a(int par1, int par2, float par3)
    078    {
    079        this.field_96621_c = par1;
    080        this.field_96618_d = par2;
    081        this.func_96611_c();
    082        int k = this.func_96608_a();
    083        int l = this.func_96606_e();
    084        int i1 = l + 6;
    085        int j1;
    086        int k1;
    087        int l1;
    088        int i2;
    089        int j2;
    090
    091        if (Mouse.isButtonDown(0))
    092        {
    093            if (this.field_96628_i == -1.0F)
    094            {
    095                boolean flag = true;
    096
    097                if (par2 >= this.field_96616_f && par2 <= this.field_96627_h)
    098                {
    099                    int k2 = this.field_96619_e + 2;
    100                    j1 = this.field_96617_g - 2;
    101                    k1 = par2 - this.field_96616_f + (int)this.field_96626_k - 4;
    102                    l1 = k1 / this.field_96620_b;
    103
    104                    if (par1 >= k2 && par1 <= j1 && l1 >= 0 && k1 >= 0 && l1 < k)
    105                    {
    106                        boolean flag1 = l1 == this.field_96623_l && Minecraft.getSystemTime() - this.field_96624_m < 250L;
    107                        this.func_96615_a(l1, flag1);
    108                        this.field_96623_l = l1;
    109                        this.field_96624_m = Minecraft.getSystemTime();
    110                    }
    111                    else if (par1 >= k2 && par1 <= j1 && k1 < 0)
    112                    {
    113                        flag = false;
    114                    }
    115
    116                    if (par1 >= l && par1 <= i1)
    117                    {
    118                        this.field_96625_j = -1.0F;
    119                        j2 = this.func_96607_d();
    120
    121                        if (j2 < 1)
    122                        {
    123                            j2 = 1;
    124                        }
    125
    126                        i2 = (int)((float)((this.field_96627_h - this.field_96616_f) * (this.field_96627_h - this.field_96616_f)) / (float)this.func_96613_b());
    127
    128                        if (i2 < 32)
    129                        {
    130                            i2 = 32;
    131                        }
    132
    133                        if (i2 > this.field_96627_h - this.field_96616_f - 8)
    134                        {
    135                            i2 = this.field_96627_h - this.field_96616_f - 8;
    136                        }
    137
    138                        this.field_96625_j /= (float)(this.field_96627_h - this.field_96616_f - i2) / (float)j2;
    139                    }
    140                    else
    141                    {
    142                        this.field_96625_j = 1.0F;
    143                    }
    144
    145                    if (flag)
    146                    {
    147                        this.field_96628_i = (float)par2;
    148                    }
    149                    else
    150                    {
    151                        this.field_96628_i = -2.0F;
    152                    }
    153                }
    154                else
    155                {
    156                    this.field_96628_i = -2.0F;
    157                }
    158            }
    159            else if (this.field_96628_i >= 0.0F)
    160            {
    161                this.field_96626_k -= ((float)par2 - this.field_96628_i) * this.field_96625_j;
    162                this.field_96628_i = (float)par2;
    163            }
    164        }
    165        else
    166        {
    167            while (!this.field_96622_a.gameSettings.touchscreen && Mouse.next())
    168            {
    169                int l2 = Mouse.getEventDWheel();
    170
    171                if (l2 != 0)
    172                {
    173                    if (l2 > 0)
    174                    {
    175                        l2 = -1;
    176                    }
    177                    else if (l2 < 0)
    178                    {
    179                        l2 = 1;
    180                    }
    181
    182                    this.field_96626_k += (float)(l2 * this.field_96620_b / 2);
    183                }
    184            }
    185
    186            this.field_96628_i = -1.0F;
    187        }
    188
    189        this.func_96614_f();
    190        GL11.glDisable(GL11.GL_LIGHTING);
    191        GL11.glDisable(GL11.GL_FOG);
    192        Tessellator tessellator = Tessellator.instance;
    193        this.field_96622_a.renderEngine.bindTexture("/gui/background.png");
    194        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    195        float f1 = 32.0F;
    196        tessellator.startDrawingQuads();
    197        tessellator.setColorOpaque_I(2105376);
    198        tessellator.addVertexWithUV((double)this.field_96619_e, (double)this.field_96627_h, 0.0D, (double)((float)this.field_96619_e / f1), (double)((float)(this.field_96627_h + (int)this.field_96626_k) / f1));
    199        tessellator.addVertexWithUV((double)this.field_96617_g, (double)this.field_96627_h, 0.0D, (double)((float)this.field_96617_g / f1), (double)((float)(this.field_96627_h + (int)this.field_96626_k) / f1));
    200        tessellator.addVertexWithUV((double)this.field_96617_g, (double)this.field_96616_f, 0.0D, (double)((float)this.field_96617_g / f1), (double)((float)(this.field_96616_f + (int)this.field_96626_k) / f1));
    201        tessellator.addVertexWithUV((double)this.field_96619_e, (double)this.field_96616_f, 0.0D, (double)((float)this.field_96619_e / f1), (double)((float)(this.field_96616_f + (int)this.field_96626_k) / f1));
    202        tessellator.draw();
    203        j1 = this.field_96619_e + 2;
    204        k1 = this.field_96616_f + 4 - (int)this.field_96626_k;
    205        int i3;
    206
    207        for (l1 = 0; l1 < k; ++l1)
    208        {
    209            j2 = k1 + l1 * this.field_96620_b;
    210            i2 = this.field_96620_b - 4;
    211
    212            if (j2 + this.field_96620_b <= this.field_96627_h && j2 - 4 >= this.field_96616_f)
    213            {
    214                if (this.func_96609_a(l1))
    215                {
    216                    i3 = this.field_96619_e + 2;
    217                    int j3 = this.field_96617_g - 2;
    218                    GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    219                    GL11.glDisable(GL11.GL_TEXTURE_2D);
    220                    tessellator.startDrawingQuads();
    221                    tessellator.setColorOpaque_I(8421504);
    222                    tessellator.addVertexWithUV((double)i3, (double)(j2 + i2 + 2), 0.0D, 0.0D, 1.0D);
    223                    tessellator.addVertexWithUV((double)j3, (double)(j2 + i2 + 2), 0.0D, 1.0D, 1.0D);
    224                    tessellator.addVertexWithUV((double)j3, (double)(j2 - 2), 0.0D, 1.0D, 0.0D);
    225                    tessellator.addVertexWithUV((double)i3, (double)(j2 - 2), 0.0D, 0.0D, 0.0D);
    226                    tessellator.setColorOpaque_I(0);
    227                    tessellator.addVertexWithUV((double)(i3 + 1), (double)(j2 + i2 + 1), 0.0D, 0.0D, 1.0D);
    228                    tessellator.addVertexWithUV((double)(j3 - 1), (double)(j2 + i2 + 1), 0.0D, 1.0D, 1.0D);
    229                    tessellator.addVertexWithUV((double)(j3 - 1), (double)(j2 - 1), 0.0D, 1.0D, 0.0D);
    230                    tessellator.addVertexWithUV((double)(i3 + 1), (double)(j2 - 1), 0.0D, 0.0D, 0.0D);
    231                    tessellator.draw();
    232                    GL11.glEnable(GL11.GL_TEXTURE_2D);
    233                }
    234
    235                this.func_96610_a(l1, j1, j2, i2, tessellator);
    236            }
    237        }
    238
    239        GL11.glDisable(GL11.GL_DEPTH_TEST);
    240        byte b0 = 4;
    241        GL11.glEnable(GL11.GL_BLEND);
    242        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    243        GL11.glDisable(GL11.GL_ALPHA_TEST);
    244        GL11.glShadeModel(GL11.GL_SMOOTH);
    245        GL11.glDisable(GL11.GL_TEXTURE_2D);
    246        tessellator.startDrawingQuads();
    247        tessellator.setColorRGBA_I(0, 0);
    248        tessellator.addVertexWithUV((double)this.field_96619_e, (double)(this.field_96616_f + b0), 0.0D, 0.0D, 1.0D);
    249        tessellator.addVertexWithUV((double)this.field_96617_g, (double)(this.field_96616_f + b0), 0.0D, 1.0D, 1.0D);
    250        tessellator.setColorRGBA_I(0, 255);
    251        tessellator.addVertexWithUV((double)this.field_96617_g, (double)this.field_96616_f, 0.0D, 1.0D, 0.0D);
    252        tessellator.addVertexWithUV((double)this.field_96619_e, (double)this.field_96616_f, 0.0D, 0.0D, 0.0D);
    253        tessellator.draw();
    254        tessellator.startDrawingQuads();
    255        tessellator.setColorRGBA_I(0, 255);
    256        tessellator.addVertexWithUV((double)this.field_96619_e, (double)this.field_96627_h, 0.0D, 0.0D, 1.0D);
    257        tessellator.addVertexWithUV((double)this.field_96617_g, (double)this.field_96627_h, 0.0D, 1.0D, 1.0D);
    258        tessellator.setColorRGBA_I(0, 0);
    259        tessellator.addVertexWithUV((double)this.field_96617_g, (double)(this.field_96627_h - b0), 0.0D, 1.0D, 0.0D);
    260        tessellator.addVertexWithUV((double)this.field_96619_e, (double)(this.field_96627_h - b0), 0.0D, 0.0D, 0.0D);
    261        tessellator.draw();
    262        j2 = this.func_96607_d();
    263
    264        if (j2 > 0)
    265        {
    266            i2 = (this.field_96627_h - this.field_96616_f) * (this.field_96627_h - this.field_96616_f) / this.func_96613_b();
    267
    268            if (i2 < 32)
    269            {
    270                i2 = 32;
    271            }
    272
    273            if (i2 > this.field_96627_h - this.field_96616_f - 8)
    274            {
    275                i2 = this.field_96627_h - this.field_96616_f - 8;
    276            }
    277
    278            i3 = (int)this.field_96626_k * (this.field_96627_h - this.field_96616_f - i2) / j2 + this.field_96616_f;
    279
    280            if (i3 < this.field_96616_f)
    281            {
    282                i3 = this.field_96616_f;
    283            }
    284
    285            tessellator.startDrawingQuads();
    286            tessellator.setColorRGBA_I(0, 255);
    287            tessellator.addVertexWithUV((double)l, (double)this.field_96627_h, 0.0D, 0.0D, 1.0D);
    288            tessellator.addVertexWithUV((double)i1, (double)this.field_96627_h, 0.0D, 1.0D, 1.0D);
    289            tessellator.addVertexWithUV((double)i1, (double)this.field_96616_f, 0.0D, 1.0D, 0.0D);
    290            tessellator.addVertexWithUV((double)l, (double)this.field_96616_f, 0.0D, 0.0D, 0.0D);
    291            tessellator.draw();
    292            tessellator.startDrawingQuads();
    293            tessellator.setColorRGBA_I(8421504, 255);
    294            tessellator.addVertexWithUV((double)l, (double)(i3 + i2), 0.0D, 0.0D, 1.0D);
    295            tessellator.addVertexWithUV((double)i1, (double)(i3 + i2), 0.0D, 1.0D, 1.0D);
    296            tessellator.addVertexWithUV((double)i1, (double)i3, 0.0D, 1.0D, 0.0D);
    297            tessellator.addVertexWithUV((double)l, (double)i3, 0.0D, 0.0D, 0.0D);
    298            tessellator.draw();
    299            tessellator.startDrawingQuads();
    300            tessellator.setColorRGBA_I(12632256, 255);
    301            tessellator.addVertexWithUV((double)l, (double)(i3 + i2 - 1), 0.0D, 0.0D, 1.0D);
    302            tessellator.addVertexWithUV((double)(i1 - 1), (double)(i3 + i2 - 1), 0.0D, 1.0D, 1.0D);
    303            tessellator.addVertexWithUV((double)(i1 - 1), (double)i3, 0.0D, 1.0D, 0.0D);
    304            tessellator.addVertexWithUV((double)l, (double)i3, 0.0D, 0.0D, 0.0D);
    305            tessellator.draw();
    306        }
    307
    308        GL11.glEnable(GL11.GL_TEXTURE_2D);
    309        GL11.glShadeModel(GL11.GL_FLAT);
    310        GL11.glEnable(GL11.GL_ALPHA_TEST);
    311        GL11.glDisable(GL11.GL_BLEND);
    312    }
    313
    314    protected int func_96606_e()
    315    {
    316        return this.field_96617_g - 8;
    317    }
    318}