package net.minecraft.client.renderer.entity;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import java.util.Random;
import net.minecraft.block.Block;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.renderer.ItemRenderer;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.texture.TextureManager;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.entity.Entity;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.Icon;
import net.minecraft.util.MathHelper;
import net.minecraft.util.ResourceLocation;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;

import net.minecraftforge.client.ForgeHooksClient;

@SideOnly(Side.CLIENT)
public class RenderItem extends Render
{
    private static final ResourceLocation RES_ITEM_GLINT = new ResourceLocation("textures/misc/enchanted_item_glint.png");
    private RenderBlocks itemRenderBlocks = new RenderBlocks();

    /** The RNG used in RenderItem (for bobbing itemstacks on the ground) */
    private Random random = new Random();
    public boolean renderWithColor = true;

    /** Defines the zLevel of rendering of item on GUI. */
    public float zLevel;
    public static boolean renderInFrame;

    public RenderItem()
    {
        this.shadowSize = 0.15F;
        this.shadowOpaque = 0.75F;
    }

    /**
     * Renders the item
     */
    public void doRenderItem(EntityItem par1EntityItem, double par2, double par4, double par6, float par8, float par9)
    {
        this.bindEntityTexture(par1EntityItem);
        this.random.setSeed(187L);
        ItemStack itemstack = par1EntityItem.getEntityItem();

        if (itemstack.getItem() != null)
        {
            GL11.glPushMatrix();
            float f2 = shouldBob() ? MathHelper.sin(((float)par1EntityItem.age + par9) / 10.0F + par1EntityItem.hoverStart) * 0.1F + 0.1F : 0F;
            float f3 = (((float)par1EntityItem.age + par9) / 20.0F + par1EntityItem.hoverStart) * (180F / (float)Math.PI);
            byte b0 = getMiniBlockCount(itemstack);
            GL11.glTranslatef((float)par2, (float)par4 + f2, (float)par6);
            GL11.glEnable(GL12.GL_RESCALE_NORMAL);
            float f4;
            float f5;
            float f6;
            int i;
            Block block = null;

            if (itemstack.itemID < Block.blocksList.length)
            {
                block = Block.blocksList[itemstack.itemID];
            }

            if (ForgeHooksClient.renderEntityItem(par1EntityItem, itemstack, f2, f3, random, renderManager.renderEngine, renderBlocks))
            {
                ;
            }
            else if (itemstack.getItemSpriteNumber() == 0 && block != null && RenderBlocks.renderItemIn3d(Block.blocksList[itemstack.itemID].getRenderType()))
            {
                GL11.glRotatef(f3, 0.0F, 1.0F, 0.0F);

                if (renderInFrame)
                {
                    GL11.glScalef(1.25F, 1.25F, 1.25F);
                    GL11.glTranslatef(0.0F, 0.05F, 0.0F);
                    GL11.glRotatef(-90.0F, 0.0F, 1.0F, 0.0F);
                }

                float f7 = 0.25F;
                int j = block.getRenderType();

                if (j == 1 || j == 19 || j == 12 || j == 2)
                {
                    f7 = 0.5F;
                }

                GL11.glScalef(f7, f7, f7);

                for (i = 0; i < b0; ++i)
                {
                    GL11.glPushMatrix();

                    if (i > 0)
                    {
                        f4 = (this.random.nextFloat() * 2.0F - 1.0F) * 0.2F / f7;
                        f5 = (this.random.nextFloat() * 2.0F - 1.0F) * 0.2F / f7;
                        f6 = (this.random.nextFloat() * 2.0F - 1.0F) * 0.2F / f7;
                        GL11.glTranslatef(f4, f5, f6);
                    }

                    f4 = 1.0F;
                    this.itemRenderBlocks.renderBlockAsItem(block, itemstack.getItemDamage(), f4);
                    GL11.glPopMatrix();
                }
            }
            else
            {
                float f8;

                if (itemstack.getItem().requiresMultipleRenderPasses())
                {
                    if (renderInFrame)
                    {
                        GL11.glScalef(0.5128205F, 0.5128205F, 0.5128205F);
                        GL11.glTranslatef(0.0F, -0.05F, 0.0F);
                    }
                    else
                    {
                        GL11.glScalef(0.5F, 0.5F, 0.5F);
                    }

                    for (int k = 0; k < itemstack.getItem().getRenderPasses(itemstack.getItemDamage()); ++k)
                    {
                        this.random.setSeed(187L);
                        Icon icon = itemstack.getItem().getIcon(itemstack, k);
                        f8 = 1.0F;

                        if (this.renderWithColor)
                        {
                            i = Item.itemsList[itemstack.itemID].getColorFromItemStack(itemstack, k);
                            f4 = (float)(i >> 16 & 255) / 255.0F;
                            f5 = (float)(i >> 8 & 255) / 255.0F;
                            f6 = (float)(i & 255) / 255.0F;
                            GL11.glColor4f(f4 * f8, f5 * f8, f6 * f8, 1.0F);
                            this.renderDroppedItem(par1EntityItem, icon, b0, par9, f4 * f8, f5 * f8, f6 * f8);
                        }
                        else
                        {
                            this.renderDroppedItem(par1EntityItem, icon, b0, par9, 1.0F, 1.0F, 1.0F);
                        }
                    }
                }
                else
                {
                    if (renderInFrame)
                    {
                        GL11.glScalef(0.5128205F, 0.5128205F, 0.5128205F);
                        GL11.glTranslatef(0.0F, -0.05F, 0.0F);
                    }
                    else
                    {
                        GL11.glScalef(0.5F, 0.5F, 0.5F);
                    }

                    Icon icon1 = itemstack.getIconIndex();

                    if (this.renderWithColor)
                    {
                        int l = Item.itemsList[itemstack.itemID].getColorFromItemStack(itemstack, 0);
                        f8 = (float)(l >> 16 & 255) / 255.0F;
                        float f9 = (float)(l >> 8 & 255) / 255.0F;
                        f4 = (float)(l & 255) / 255.0F;
                        f5 = 1.0F;
                        this.renderDroppedItem(par1EntityItem, icon1, b0, par9, f8 * f5, f9 * f5, f4 * f5);
                    }
                    else
                    {
                        this.renderDroppedItem(par1EntityItem, icon1, b0, par9, 1.0F, 1.0F, 1.0F);
                    }
                }
            }

            GL11.glDisable(GL12.GL_RESCALE_NORMAL);
            GL11.glPopMatrix();
        }
    }

    protected ResourceLocation func_110796_a(EntityItem par1EntityItem)
    {
        return this.renderManager.renderEngine.getResourceLocation(par1EntityItem.getEntityItem().getItemSpriteNumber());
    }

    /**
     * Renders a dropped item
     */
    private void renderDroppedItem(EntityItem par1EntityItem, Icon par2Icon, int par3, float par4, float par5, float par6, float par7)
    {
        renderDroppedItem(par1EntityItem, par2Icon, par3, par4, par5, par6, par7, 0);
    }
    private void renderDroppedItem(EntityItem par1EntityItem, Icon par2Icon, int par3, float par4, float par5, float par6, float par7, int pass)
    {
        Tessellator tessellator = Tessellator.instance;

        if (par2Icon == null)
        {
            TextureManager texturemanager = Minecraft.getMinecraft().getTextureManager();
            ResourceLocation resourcelocation = texturemanager.getResourceLocation(par1EntityItem.getEntityItem().getItemSpriteNumber());
            par2Icon = ((TextureMap)texturemanager.getTexture(resourcelocation)).getAtlasSprite("missingno");
        }

        float f4 = ((Icon)par2Icon).getMinU();
        float f5 = ((Icon)par2Icon).getMaxU();
        float f6 = ((Icon)par2Icon).getMinV();
        float f7 = ((Icon)par2Icon).getMaxV();
        float f8 = 1.0F;
        float f9 = 0.5F;
        float f10 = 0.25F;
        float f11;

        if (this.renderManager.options.fancyGraphics)
        {
            GL11.glPushMatrix();

            if (renderInFrame)
            {
                GL11.glRotatef(180.0F, 0.0F, 1.0F, 0.0F);
            }
            else
            {
                GL11.glRotatef((((float)par1EntityItem.age + par4) / 20.0F + par1EntityItem.hoverStart) * (180F / (float)Math.PI), 0.0F, 1.0F, 0.0F);
            }

            float f12 = 0.0625F;
            f11 = 0.021875F;
            ItemStack itemstack = par1EntityItem.getEntityItem();
            int j = itemstack.stackSize;
            byte b0 = getMiniItemCount(itemstack);
            GL11.glTranslatef(-f9, -f10, -((f12 + f11) * (float)b0 / 2.0F));

            for (int k = 0; k < b0; ++k)
            {
                // Makes items offset when in 3D, like when in 2D, looks much better. Considered a vanilla bug...
                if (k > 0 && shouldSpreadItems())
                {
                    float x = (random.nextFloat() * 2.0F - 1.0F) * 0.3F / 0.5F;
                    float y = (random.nextFloat() * 2.0F - 1.0F) * 0.3F / 0.5F;
                    float z = (random.nextFloat() * 2.0F - 1.0F) * 0.3F / 0.5F;
                    GL11.glTranslatef(x, y, f12 + f11);
                }
                else
                {
                    GL11.glTranslatef(0f, 0f, f12 + f11);
                }

                if (itemstack.getItemSpriteNumber() == 0)
                {
                    this.bindTexture(TextureMap.locationBlocksTexture);
                }
                else
                {
                    this.bindTexture(TextureMap.locationItemsTexture);
                }

                GL11.glColor4f(par5, par6, par7, 1.0F);
                ItemRenderer.renderItemIn2D(tessellator, f5, f6, f4, f7, ((Icon)par2Icon).getIconWidth(), ((Icon)par2Icon).getIconHeight(), f12);

                if (itemstack.hasEffect(pass))
                {
                    GL11.glDepthFunc(GL11.GL_EQUAL);
                    GL11.glDisable(GL11.GL_LIGHTING);
                    this.renderManager.renderEngine.bindTexture(RES_ITEM_GLINT);
                    GL11.glEnable(GL11.GL_BLEND);
                    GL11.glBlendFunc(GL11.GL_SRC_COLOR, GL11.GL_ONE);
                    float f13 = 0.76F;
                    GL11.glColor4f(0.5F * f13, 0.25F * f13, 0.8F * f13, 1.0F);
                    GL11.glMatrixMode(GL11.GL_TEXTURE);
                    GL11.glPushMatrix();
                    float f14 = 0.125F;
                    GL11.glScalef(f14, f14, f14);
                    float f15 = (float)(Minecraft.getSystemTime() % 3000L) / 3000.0F * 8.0F;
                    GL11.glTranslatef(f15, 0.0F, 0.0F);
                    GL11.glRotatef(-50.0F, 0.0F, 0.0F, 1.0F);
                    ItemRenderer.renderItemIn2D(tessellator, 0.0F, 0.0F, 1.0F, 1.0F, 255, 255, f12);
                    GL11.glPopMatrix();
                    GL11.glPushMatrix();
                    GL11.glScalef(f14, f14, f14);
                    f15 = (float)(Minecraft.getSystemTime() % 4873L) / 4873.0F * 8.0F;
                    GL11.glTranslatef(-f15, 0.0F, 0.0F);
                    GL11.glRotatef(10.0F, 0.0F, 0.0F, 1.0F);
                    ItemRenderer.renderItemIn2D(tessellator, 0.0F, 0.0F, 1.0F, 1.0F, 255, 255, f12);
                    GL11.glPopMatrix();
                    GL11.glMatrixMode(GL11.GL_MODELVIEW);
                    GL11.glDisable(GL11.GL_BLEND);
                    GL11.glEnable(GL11.GL_LIGHTING);
                    GL11.glDepthFunc(GL11.GL_LEQUAL);
                }
            }

            GL11.glPopMatrix();
        }
        else
        {
            for (int l = 0; l < par3; ++l)
            {
                GL11.glPushMatrix();

                if (l > 0)
                {
                    f11 = (this.random.nextFloat() * 2.0F - 1.0F) * 0.3F;
                    float f16 = (this.random.nextFloat() * 2.0F - 1.0F) * 0.3F;
                    float f17 = (this.random.nextFloat() * 2.0F - 1.0F) * 0.3F;
                    GL11.glTranslatef(f11, f16, f17);
                }

                if (!renderInFrame)
                {
                    GL11.glRotatef(180.0F - this.renderManager.playerViewY, 0.0F, 1.0F, 0.0F);
                }

                GL11.glColor4f(par5, par6, par7, 1.0F);
                tessellator.startDrawingQuads();
                tessellator.setNormal(0.0F, 1.0F, 0.0F);
                tessellator.addVertexWithUV((double)(0.0F - f9), (double)(0.0F - f10), 0.0D, (double)f4, (double)f7);
                tessellator.addVertexWithUV((double)(f8 - f9), (double)(0.0F - f10), 0.0D, (double)f5, (double)f7);
                tessellator.addVertexWithUV((double)(f8 - f9), (double)(1.0F - f10), 0.0D, (double)f5, (double)f6);
                tessellator.addVertexWithUV((double)(0.0F - f9), (double)(1.0F - f10), 0.0D, (double)f4, (double)f6);
                tessellator.draw();
                GL11.glPopMatrix();
            }
        }
    }

    /**
     * Renders the item's icon or block into the UI at the specified position.
     */
    public void renderItemIntoGUI(FontRenderer par1FontRenderer, TextureManager par2TextureManager, ItemStack par3ItemStack, int par4, int par5)
    {
        renderItemIntoGUI(par1FontRenderer, par2TextureManager, par3ItemStack, par4, par5, false);
    }
    public void renderItemIntoGUI(FontRenderer par1FontRenderer, TextureManager par2TextureManager, ItemStack par3ItemStack, int par4, int par5, boolean renderEffect)
    {
        int k = par3ItemStack.itemID;
        int l = par3ItemStack.getItemDamage();
        Object object = par3ItemStack.getIconIndex();
        float f;
        float f1;
        int i1;
        float f2;
        Block block = (k < Block.blocksList.length ? Block.blocksList[k] : null);

        if (par3ItemStack.getItemSpriteNumber() == 0 && block != null && RenderBlocks.renderItemIn3d(Block.blocksList[k].getRenderType()))
        {
            par2TextureManager.bindTexture(TextureMap.locationBlocksTexture);
            GL11.glPushMatrix();
            GL11.glTranslatef((float)(par4 - 2), (float)(par5 + 3), -3.0F + this.zLevel);
            GL11.glScalef(10.0F, 10.0F, 10.0F);
            GL11.glTranslatef(1.0F, 0.5F, 1.0F);
            GL11.glScalef(1.0F, 1.0F, -1.0F);
            GL11.glRotatef(210.0F, 1.0F, 0.0F, 0.0F);
            GL11.glRotatef(45.0F, 0.0F, 1.0F, 0.0F);
            i1 = Item.itemsList[k].getColorFromItemStack(par3ItemStack, 0);
            f2 = (float)(i1 >> 16 & 255) / 255.0F;
            f = (float)(i1 >> 8 & 255) / 255.0F;
            f1 = (float)(i1 & 255) / 255.0F;

            if (this.renderWithColor)
            {
                GL11.glColor4f(f2, f, f1, 1.0F);
            }

            GL11.glRotatef(-90.0F, 0.0F, 1.0F, 0.0F);
            this.itemRenderBlocks.useInventoryTint = this.renderWithColor;
            this.itemRenderBlocks.renderBlockAsItem(block, l, 1.0F);
            this.itemRenderBlocks.useInventoryTint = true;
            GL11.glPopMatrix();
        }
        else if (Item.itemsList[k].requiresMultipleRenderPasses())
        {
            GL11.glDisable(GL11.GL_LIGHTING);

            for (int j1 = 0; j1 < Item.itemsList[k].getRenderPasses(l); ++j1)
            {
                par2TextureManager.bindTexture(par3ItemStack.getItemSpriteNumber() == 0 ? TextureMap.locationBlocksTexture : TextureMap.locationItemsTexture);
                Icon icon = Item.itemsList[k].getIcon(par3ItemStack, j1);
                int k1 = Item.itemsList[k].getColorFromItemStack(par3ItemStack, j1);
                f = (float)(k1 >> 16 & 255) / 255.0F;
                f1 = (float)(k1 >> 8 & 255) / 255.0F;
                float f3 = (float)(k1 & 255) / 255.0F;

                if (this.renderWithColor)
                {
                    GL11.glColor4f(f, f1, f3, 1.0F);
                }

                this.renderIcon(par4, par5, icon, 16, 16);

                if (par3ItemStack.hasEffect(j1))
                {
                    renderEffect(par2TextureManager, par4, par5);
                }
            }

            GL11.glEnable(GL11.GL_LIGHTING);
        }
        else
        {
            GL11.glDisable(GL11.GL_LIGHTING);
            ResourceLocation resourcelocation = par2TextureManager.getResourceLocation(par3ItemStack.getItemSpriteNumber());
            par2TextureManager.bindTexture(resourcelocation);

            if (object == null)
            {
                object = ((TextureMap)Minecraft.getMinecraft().getTextureManager().getTexture(resourcelocation)).getAtlasSprite("missingno");
            }

            i1 = Item.itemsList[k].getColorFromItemStack(par3ItemStack, 0);
            f2 = (float)(i1 >> 16 & 255) / 255.0F;
            f = (float)(i1 >> 8 & 255) / 255.0F;
            f1 = (float)(i1 & 255) / 255.0F;

            if (this.renderWithColor)
            {
                GL11.glColor4f(f2, f, f1, 1.0F);
            }

            this.renderIcon(par4, par5, (Icon)object, 16, 16);
            GL11.glEnable(GL11.GL_LIGHTING);

            if (par3ItemStack.hasEffect(0))
            {
                renderEffect(par2TextureManager, par4, par5);
            }
        }

        GL11.glEnable(GL11.GL_CULL_FACE);
    }

    private void renderEffect(TextureManager manager, int x, int y)
    {
        GL11.glDepthFunc(GL11.GL_GREATER);
        GL11.glDisable(GL11.GL_LIGHTING);
        GL11.glDepthMask(false);
        manager.bindTexture(RES_ITEM_GLINT);
        this.zLevel -= 50.0F;
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glBlendFunc(GL11.GL_DST_COLOR, GL11.GL_DST_COLOR);
        GL11.glColor4f(0.5F, 0.25F, 0.8F, 1.0F);
        this.renderGlint(x * 431278612 + y * 32178161, x - 2, y - 2, 20, 20);
        GL11.glDisable(GL11.GL_BLEND);
        GL11.glDepthMask(true);
        this.zLevel += 50.0F;
        GL11.glEnable(GL11.GL_LIGHTING);
        GL11.glDepthFunc(GL11.GL_LEQUAL);
    }

    /**
     * Render the item's icon or block into the GUI, including the glint effect.
     */
    public void renderItemAndEffectIntoGUI(FontRenderer par1FontRenderer, TextureManager par2TextureManager, ItemStack par3ItemStack, int par4, int par5)
    {
        if (par3ItemStack != null)
        {
            if (!ForgeHooksClient.renderInventoryItem(renderBlocks, par2TextureManager, par3ItemStack, renderWithColor, zLevel, (float)par4, (float)par5))
            {
                this.renderItemIntoGUI(par1FontRenderer, par2TextureManager, par3ItemStack, par4, par5, true);
            }

            /* Modders must handle this themselves if they use custom renderers!
            if (par3ItemStack.hasEffect())
            {
                GL11.glDepthFunc(GL11.GL_GREATER);
                GL11.glDisable(GL11.GL_LIGHTING);
                GL11.glDepthMask(false);
                par2TextureManager.bindTexture(RES_ITEM_GLINT);
                this.zLevel -= 50.0F;
                GL11.glEnable(GL11.GL_BLEND);
                GL11.glBlendFunc(GL11.GL_DST_COLOR, GL11.GL_DST_COLOR);
                GL11.glColor4f(0.5F, 0.25F, 0.8F, 1.0F);
                this.renderGlint(par4 * 431278612 + par5 * 32178161, par4 - 2, par5 - 2, 20, 20);
                GL11.glDisable(GL11.GL_BLEND);
                GL11.glDepthMask(true);
                this.zLevel += 50.0F;
                GL11.glEnable(GL11.GL_LIGHTING);
                GL11.glDepthFunc(GL11.GL_LEQUAL);
            }
            */
        }
    }

    private void renderGlint(int par1, int par2, int par3, int par4, int par5)
    {
        for (int j1 = 0; j1 < 2; ++j1)
        {
            if (j1 == 0)
            {
                GL11.glBlendFunc(GL11.GL_SRC_COLOR, GL11.GL_ONE);
            }

            if (j1 == 1)
            {
                GL11.glBlendFunc(GL11.GL_SRC_COLOR, GL11.GL_ONE);
            }

            float f = 0.00390625F;
            float f1 = 0.00390625F;
            float f2 = (float)(Minecraft.getSystemTime() % (long)(3000 + j1 * 1873)) / (3000.0F + (float)(j1 * 1873)) * 256.0F;
            float f3 = 0.0F;
            Tessellator tessellator = Tessellator.instance;
            float f4 = 4.0F;

            if (j1 == 1)
            {
                f4 = -1.0F;
            }

            tessellator.startDrawingQuads();
            tessellator.addVertexWithUV((double)(par2 + 0), (double)(par3 + par5), (double)this.zLevel, (double)((f2 + (float)par5 * f4) * f), (double)((f3 + (float)par5) * f1));
            tessellator.addVertexWithUV((double)(par2 + par4), (double)(par3 + par5), (double)this.zLevel, (double)((f2 + (float)par4 + (float)par5 * f4) * f), (double)((f3 + (float)par5) * f1));
            tessellator.addVertexWithUV((double)(par2 + par4), (double)(par3 + 0), (double)this.zLevel, (double)((f2 + (float)par4) * f), (double)((f3 + 0.0F) * f1));
            tessellator.addVertexWithUV((double)(par2 + 0), (double)(par3 + 0), (double)this.zLevel, (double)((f2 + 0.0F) * f), (double)((f3 + 0.0F) * f1));
            tessellator.draw();
        }
    }

    /**
     * Renders the item's overlay information. Examples being stack count or damage on top of the item's image at the
     * specified position.
     */
    public void renderItemOverlayIntoGUI(FontRenderer par1FontRenderer, TextureManager par2TextureManager, ItemStack par3ItemStack, int par4, int par5)
    {
        this.renderItemOverlayIntoGUI(par1FontRenderer, par2TextureManager, par3ItemStack, par4, par5, (String)null);
    }

    public void renderItemOverlayIntoGUI(FontRenderer par1FontRenderer, TextureManager par2TextureManager, ItemStack par3ItemStack, int par4, int par5, String par6Str)
    {
        if (par3ItemStack != null)
        {
            if (par3ItemStack.stackSize > 1 || par6Str != null)
            {
                String s1 = par6Str == null ? String.valueOf(par3ItemStack.stackSize) : par6Str;
                GL11.glDisable(GL11.GL_LIGHTING);
                GL11.glDisable(GL11.GL_DEPTH_TEST);
                par1FontRenderer.drawStringWithShadow(s1, par4 + 19 - 2 - par1FontRenderer.getStringWidth(s1), par5 + 6 + 3, 16777215);
                GL11.glEnable(GL11.GL_LIGHTING);
                GL11.glEnable(GL11.GL_DEPTH_TEST);
            }

            if (par3ItemStack.isItemDamaged())
            {
                int k = (int)Math.round(13.0D - (double)par3ItemStack.getItemDamageForDisplay() * 13.0D / (double)par3ItemStack.getMaxDamage());
                int l = (int)Math.round(255.0D - (double)par3ItemStack.getItemDamageForDisplay() * 255.0D / (double)par3ItemStack.getMaxDamage());
                GL11.glDisable(GL11.GL_LIGHTING);
                GL11.glDisable(GL11.GL_DEPTH_TEST);
                GL11.glDisable(GL11.GL_TEXTURE_2D);
                Tessellator tessellator = Tessellator.instance;
                int i1 = 255 - l << 16 | l << 8;
                int j1 = (255 - l) / 4 << 16 | 16128;
                this.renderQuad(tessellator, par4 + 2, par5 + 13, 13, 2, 0);
                this.renderQuad(tessellator, par4 + 2, par5 + 13, 12, 1, j1);
                this.renderQuad(tessellator, par4 + 2, par5 + 13, k, 1, i1);
                GL11.glEnable(GL11.GL_TEXTURE_2D);
                GL11.glEnable(GL11.GL_LIGHTING);
                GL11.glEnable(GL11.GL_DEPTH_TEST);
                GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
            }
        }
    }

    /**
     * Adds a quad to the tesselator at the specified position with the set width and height and color.  Args:
     * tessellator, x, y, width, height, color
     */
    private void renderQuad(Tessellator par1Tessellator, int par2, int par3, int par4, int par5, int par6)
    {
        par1Tessellator.startDrawingQuads();
        par1Tessellator.setColorOpaque_I(par6);
        par1Tessellator.addVertex((double)(par2 + 0), (double)(par3 + 0), 0.0D);
        par1Tessellator.addVertex((double)(par2 + 0), (double)(par3 + par5), 0.0D);
        par1Tessellator.addVertex((double)(par2 + par4), (double)(par3 + par5), 0.0D);
        par1Tessellator.addVertex((double)(par2 + par4), (double)(par3 + 0), 0.0D);
        par1Tessellator.draw();
    }

    public void renderIcon(int par1, int par2, Icon par3Icon, int par4, int par5)
    {
        Tessellator tessellator = Tessellator.instance;
        tessellator.startDrawingQuads();
        tessellator.addVertexWithUV((double)(par1 + 0), (double)(par2 + par5), (double)this.zLevel, (double)par3Icon.getMinU(), (double)par3Icon.getMaxV());
        tessellator.addVertexWithUV((double)(par1 + par4), (double)(par2 + par5), (double)this.zLevel, (double)par3Icon.getMaxU(), (double)par3Icon.getMaxV());
        tessellator.addVertexWithUV((double)(par1 + par4), (double)(par2 + 0), (double)this.zLevel, (double)par3Icon.getMaxU(), (double)par3Icon.getMinV());
        tessellator.addVertexWithUV((double)(par1 + 0), (double)(par2 + 0), (double)this.zLevel, (double)par3Icon.getMinU(), (double)par3Icon.getMinV());
        tessellator.draw();
    }

    /**
     * Returns the location of an entity's texture. Doesn't seem to be called unless you call Render.bindEntityTexture.
     */
    protected ResourceLocation getEntityTexture(Entity par1Entity)
    {
        return this.func_110796_a((EntityItem)par1Entity);
    }

    /**
     * Actually renders the given argument. This is a synthetic bridge method, always casting down its argument and then
     * handing it off to a worker function which does the actual work. In all probabilty, the class Render is generic
     * (Render<T extends Entity) and this method has signature public void doRender(T entity, double d, double d1,
     * double d2, float f, float f1). But JAD is pre 1.5 so doesn't do that.
     */
    public void doRender(Entity par1Entity, double par2, double par4, double par6, float par8, float par9)
    {
        this.doRenderItem((EntityItem)par1Entity, par2, par4, par6, par8, par9);
    }

    /**
     * Items should spread out when rendered in 3d?
     * @return
     */
    public boolean shouldSpreadItems()
    {
        return true;
    }

    /**
     * Items should have a bob effect
     * @return
     */
    public boolean shouldBob()
    {
        return true;
    }

    public byte getMiniBlockCount(ItemStack stack)
    {
        byte ret = 1;

        if (stack.stackSize > 1)
        {
            ret = 2;
        }

        if (stack.stackSize > 5)
        {
            ret = 3;
        }

        if (stack.stackSize > 20)
        {
            ret = 4;
        }

        if (stack.stackSize > 40)
        {
            ret = 5;
        }

        return ret;
    }

    /**
     * Allows for a subclass to override how many rendered items appear in a
     * "mini item 3d stack"
     * @param stack
     * @return
     */
    public byte getMiniItemCount(ItemStack stack)
    {
        byte ret = 1;

        if (stack.stackSize > 1)
        {
            ret = 2;
        }

        if (stack.stackSize > 15)
        {
            ret = 3;
        }

        if (stack.stackSize > 31)
        {
            ret = 4;
        }

        return ret;
    }
}
