GuiScreenOptionsSounds.java 文件源码

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);
    }
}