content: package net.minecraft.client.gui;
  
  import net.minecraft.client.Minecraft;
  import net.minecraft.client.audio.SoundCategory;
  import net.minecraft.client.audio.SoundHandler;
  import net.minecraft.client.renderer.GlStateManager;
  import net.minecraft.client.resources.I18n;
  import net.minecraft.client.settings.GameSettings;
  import net.minecraft.util.MathHelper;
  
  import java.io.IOException;
  
  public class GuiScreenOptionsSounds extends GuiScreen {
      private final GuiScreen field_146505_f;
      private final GameSettings game_settings_4;
      protected String field_146507_a = "Options";
      private String field_146508_h;
  
      public GuiScreenOptionsSounds(GuiScreen p_i45025_1_, GameSettings p_i45025_2_) {
          this.field_146505_f = p_i45025_1_;
          this.game_settings_4 = p_i45025_2_;
      }
  
      public void initGui() {
          int i = 0;
          this.field_146507_a = I18n.format("options.sounds.title");
          this.field_146508_h = I18n.format("options.off");
          this.buttonList.add(new GuiScreenOptionsSounds.Button(SoundCategory.MASTER.getCategoryId(), this.width / 2 - 155 + i % 2 * 160, this.height / 6 - 12 + 24 * (i >> 1), SoundCategory.MASTER, true));
          i = i + 2;
  
          for (SoundCategory soundcategory : SoundCategory.values()) {
              if (soundcategory != SoundCategory.MASTER) {
                  this.buttonList.add(new GuiScreenOptionsSounds.Button(soundcategory.getCategoryId(), this.width / 2 - 155 + i % 2 * 160, this.height / 6 - 12 + 24 * (i >> 1), soundcategory, false));
                  ++i;
              }
          }
  
          this.buttonList.add(new GuiButton(200, this.width / 2 - 100, this.height / 6 + 168, I18n.format("gui.done")));
      }
  
      protected void actionPerformed(GuiButton button) throws IOException {
          if (button.enabled) {
              if (button.id == 200) {
                  this.mc.gameSettings.saveOptions();
                  this.mc.displayGuiScreen(this.field_146505_f);
              }
          }
      }
  
      public void drawScreen(int mouseX, int mouseY, float partialTicks) {
          this.drawDefaultBackground();
          this.drawCenteredString(this.fontRendererObj, this.field_146507_a, this.width / 2, 15, 16777215);
          super.drawScreen(mouseX, mouseY, partialTicks);
      }
  
      protected String getSoundVolume(SoundCategory p_146504_1_) {
          float f = this.game_settings_4.getSoundLevel(p_146504_1_);
          return f == 0.0F ? this.field_146508_h : (int) (f * 100.0F) + "%";
      }
  
      class Button extends GuiButton {
          private final SoundCategory field_146153_r;
          private final String field_146152_s;
          public float field_146156_o = 1.0F;
          public boolean field_146155_p;
  
          public Button(int p_i45024_2_, int p_i45024_3_, int p_i45024_4_, SoundCategory p_i45024_5_, boolean p_i45024_6_) {
              super(p_i45024_2_, p_i45024_3_, p_i45024_4_, p_i45024_6_ ? 310 : 150, 20, "");
              this.field_146153_r = p_i45024_5_;
              this.field_146152_s = I18n.format("soundCategory." + p_i45024_5_.getCategoryName());
              this.displayString = this.field_146152_s + ": " + GuiScreenOptionsSounds.this.getSoundVolume(p_i45024_5_);
              this.field_146156_o = GuiScreenOptionsSounds.this.game_settings_4.getSoundLevel(p_i45024_5_);
          }
  
          protected int getHoverState(boolean mouseOver) {
              return 0;
          }
  
          protected void mouseDragged(Minecraft mc, int mouseX, int mouseY) {
              if (this.visible) {
                  if (this.field_146155_p) {
                      this.field_146156_o = (float) (mouseX - (this.xPosition + 4)) / (float) (this.width - 8);
                      this.field_146156_o = MathHelper.clamp_float(this.field_146156_o, 0.0F, 1.0F);
                      mc.gameSettings.setSoundLevel(this.field_146153_r, this.field_146156_o);
                      mc.gameSettings.saveOptions();
                      this.displayString = this.field_146152_s + ": " + GuiScreenOptionsSounds.this.getSoundVolume(this.field_146153_r);
                  }
  
                  GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
                  this.drawTexturedModalRect(this.xPosition + (int) (this.field_146156_o * (float) (this.width - 8)), this.yPosition, 0, 66, 4, 20);
                  this.drawTexturedModalRect(this.xPosition + (int) (this.field_146156_o * (float) (this.width - 8)) + 4, this.yPosition, 196, 66, 4, 20);
              }
          }
  
          public boolean mousePressed(Minecraft mc, int mouseX, int mouseY) {
              if (super.mousePressed(mc, mouseX, mouseY)) {
                  this.field_146156_o = (float) (mouseX - (this.xPosition + 4)) / (float) (this.width - 8);
                  this.field_146156_o = MathHelper.clamp_float(this.field_146156_o, 0.0F, 1.0F);
                  mc.gameSettings.setSoundLevel(this.field_146153_r, this.field_146156_o);
                  mc.gameSettings.saveOptions();
                  this.displayString = this.field_146152_s + ": " + GuiScreenOptionsSounds.this.getSoundVolume(this.field_146153_r);
                  this.field_146155_p = true;
                  return true;
              } else {
                  return false;
              }
          }
  
          public void playPressSound(SoundHandler soundHandlerIn) {
              //TODO watch, from polishedgui
              super.playPressSound(soundHandlerIn);
          }
  
          public void mouseReleased(int mouseX, int mouseY) {
              if (this.field_146155_p && this.field_146153_r != SoundCategory.MASTER) {
                  Minecraft.getMinecraft().gameSettings.getSoundLevel(this.field_146153_r);
              }
              this.field_146155_p = false;
              //TODO watch, polishedgui
              /*if (this.field_146155_p)
              {
                  if (this.field_146153_r == SoundCategory.MASTER)
                  {
                      float f = 1.0F;
                  }
                  else
                  {
                      GuiScreenOptionsSounds.this.game_settings_4.getSoundLevel(this.field_146153_r);
                  }
  
                  GuiScreenOptionsSounds.this.mc.getSoundHandler().playSound(PositionedSoundRecord.create(new ResourceLocation("gui.button.press"), 1.0F));
              }
  
              this.field_146155_p = false;*/
          }
      }
  }
  