public class ClientPhysic
{
  public static Minecraft mc = ;
  public static RenderItem renderItem = mc.getRenderItem();
  public static long tick;
  public static double rotation;
  public static final ResourceLocation RES_ITEM_GLINT = new ResourceLocation("textures/misc/enchanted_item_glint.png");

  public static void doRender(Entity par1Entity, double x, double y, double z, float par8, float par9)
  {
    rotation = (System.nanoTime() - tick) / 3000000.0D;
    if (!mc.inGameHasFocus) {
      rotation = 0.0D;
    }
    EntityItem entityitem = (EntityItem)par1Entity;
    ItemStack itemstack = entityitem.getEntityItem();
    if (itemstack.getItem() != null)
    {
      boolean flag = false;
      if (TextureMap.locationBlocksTexture != null)
      {
        mc.getRenderManager().renderEngine.bindTexture(TextureMap.locationBlocksTexture);
        mc.getRenderManager().renderEngine.getTexture(TextureMap.locationBlocksTexture).setBlurMipmap(false, false);
        flag = true;
      }
      GlStateManager.enableRescaleNormal();
      GlStateManager.alphaFunc(516, 0.1F);
      GlStateManager.enableBlend();
      GlStateManager.tryBlendFuncSeparate(770, 771, 1, 0);
      GlStateManager.pushMatrix();
      IBakedModel ibakedmodel = renderItem.getItemModelMesher().getItemModel(itemstack);
      int i = func_177077_a(entityitem, x, y, z, par9, ibakedmodel);
      BlockPos blockpos = new BlockPos(entityitem);
      if (entityitem.rotationPitch > 360.0F) {
        entityitem.rotationPitch = 0.0F;
      }
      if ((entityitem != null) && (!Double.isNaN(entityitem.posX)) && (!Double.isNaN(entityitem.posY)) && (!Double.isNaN(entityitem.posZ)) && (entityitem.worldObj != null)) {
        if (entityitem.onGround)
        {
          if ((entityitem.rotationPitch != 0.0F) && (entityitem.rotationPitch != 90.0F) && (entityitem.rotationPitch != 180.0F) && (entityitem.rotationPitch != 270.0F))
          {
            double d0 = formPositiv(entityitem.rotationPitch);
            double d1 = formPositiv(entityitem.rotationPitch - 90.0F);
            double d2 = formPositiv(entityitem.rotationPitch - 180.0F);
            double d3 = formPositiv(entityitem.rotationPitch - 270.0F);
            if ((d0 <= d1) && (d0 <= d2) && (d0 <= d3)) {
              if (entityitem.rotationPitch < 0.0F) {
                entityitem.rotationPitch = ((float)(entityitem.rotationPitch + rotation));
              } else {
                entityitem.rotationPitch = ((float)(entityitem.rotationPitch - rotation));
              }
            }
            if ((d1 < d0) && (d1 <= d2) && (d1 <= d3)) {
              if (entityitem.rotationPitch - 90.0F < 0.0F) {
                entityitem.rotationPitch = ((float)(entityitem.rotationPitch + rotation));
              } else {
                entityitem.rotationPitch = ((float)(entityitem.rotationPitch - rotation));
              }
            }
            if ((d2 < d1) && (d2 < d0) && (d2 <= d3)) {
              if (entityitem.rotationPitch - 180.0F < 0.0F) {
                entityitem.rotationPitch = ((float)(entityitem.rotationPitch + rotation));
              } else {
                entityitem.rotationPitch = ((float)(entityitem.rotationPitch - rotation));
              }
            }
            if ((d3 < d1) && (d3 < d2) && (d3 < d0)) {
              if (entityitem.rotationPitch - 270.0F < 0.0F) {
                entityitem.rotationPitch = ((float)(entityitem.rotationPitch + rotation));
              } else {
                entityitem.rotationPitch = ((float)(entityitem.rotationPitch - rotation));
              }
            }
          }
        }
        else
        {
          BlockPos blockpos1 = new BlockPos(entityitem);
          blockpos1.add(0, 1, 0);
          Material material = entityitem.worldObj.getBlockState(blockpos1).getBlock().getMaterial();
          Material material1 = entityitem.worldObj.getBlockState(blockpos).getBlock().getMaterial();
          boolean flag1 = entityitem.isInsideOfMaterial(Material.water);
          boolean flag2 = entityitem.isInWater();
          if ((flag1 | material == Material.water | material1 == Material.water | flag2)) {
            entityitem.rotationPitch = ((float)(entityitem.rotationPitch + rotation / 4.0D));
          } else {
            entityitem.rotationPitch = ((float)(entityitem.rotationPitch + rotation * 2.0D));
          }
        }
      }
      GL11.glRotatef(entityitem.rotationYaw, 0.0F, 1.0F, 0.0F);
      GL11.glRotatef(entityitem.rotationPitch + 90.0F, 1.0F, 0.0F, 0.0F);
      for (int j = 0; j < i; j++) {
        if (ibakedmodel.isAmbientOcclusion())
        {
          GlStateManager.pushMatrix();
          GlStateManager.scale(0.5F, 0.5F, 0.5F);
          renderItem.renderItem(itemstack, ibakedmodel);
          GlStateManager.popMatrix();
        }
        else
        {
          GlStateManager.pushMatrix();
          if ((j > 0) && (shouldSpreadItems())) {
            GlStateManager.translate(0.0F, 0.0F, 0.046875F * j);
          }
          renderItem.renderItem(itemstack, ibakedmodel);
          if (!shouldSpreadItems()) {
            GlStateManager.translate(0.0F, 0.0F, 0.046875F);
          }
          GlStateManager.popMatrix();
        }
      }
      GlStateManager.popMatrix();
      GlStateManager.disableRescaleNormal();
      GlStateManager.disableBlend();
      mc.getRenderManager().renderEngine.bindTexture(TextureMap.locationBlocksTexture);
      if (flag) {
        mc.getRenderManager().renderEngine.getTexture(TextureMap.locationBlocksTexture).restoreLastBlurMipmap();
      }
    }
  }

  public static int func_177077_a(EntityItem items, double x, double y, double z, float p_177077_8_, IBakedModel p_177077_9_)
  {
    ItemStack itemstack = items.getEntityItem();
    Item item = itemstack.getItem();
    if (item == null) {
      return 0;
    }
    boolean flag = p_177077_9_.isAmbientOcclusion();
    int i = func_177078_a(itemstack);
    float f = 0.25F;
    float f1 = 0.0F;
    GlStateManager.translate((float)x, (float)y + f1 + 0.25F, (float)z);
    float f2 = 0.0F;
    if ((flag) || ((mc.getRenderManager().options != null) && (mc.getRenderManager().options.fancyGraphics))) {
      GlStateManager.rotate(f2, 0.0F, 1.0F, 0.0F);
    }
    if (!flag)
    {
      f2 = -0.0F * (i - 1) * 0.5F;
      float f3 = -0.0F * (i - 1) * 0.5F;
      float f4 = -0.046875F * (i - 1) * 0.5F;
      GlStateManager.translate(f2, f3, f4);
    }
    GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
    return i;
  }

  public static boolean shouldSpreadItems()
  {
    return true;
  }

  public static double formPositiv(float rotationPitch)
  {
    return rotationPitch > 0.0F ? rotationPitch : -rotationPitch;
  }

  public static int func_177078_a(ItemStack stack)
  {
    byte b0 = 1;
    if (stack.stackSize > 48) {
      b0 = 5;
    } else if (stack.stackSize > 32) {
      b0 = 4;
    } else if (stack.stackSize > 16) {
      b0 = 3;
    } else if (stack.stackSize > 1) {
      b0 = 2;
    }
    return b0;
  }

  public static byte getMiniBlockCount(ItemStack stack, byte original)
  {
    return original;
  }

  public static byte getMiniItemCount(ItemStack stack, byte original)
  {
    return original;
  }
}