TileEntity

package net.sciencecraft.tileentity;

import cpw.mods.fml.common.registry.GameRegistry;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Items;
import net.minecraft.inventory.ISidedInventory;
import net.minecraft.item.Item;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;
import net.minecraft.item.ItemSword;
import net.minecraft.item.ItemTool;
import net.minecraft.item.crafting.FurnaceRecipes;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.tileentity.TileEntity;
import net.sciencecraft.machines.Grinder;
import net.sciencecraft.main.ScienceCraft;
import net.sciencecraft.recipes.ScienceCraft_recipes;

public class TileEntityGrinder extends TileEntity implements ISidedInventory
{
    private String localizedName;

    private static final int[] slots_top = new int[] {0};
    private static final int[] slots_bottom = new int[] {2};
    private static final int[] slots_sides = new int[] {1};

    private ItemStack[] slots = new ItemStack[3];

    /** Furnace speed */
    public int furnaceSpeed = 450;             //200 is normaal, hoe kleiner, hoe sneller

    /** How long this furnace will continue to burn for (fuel) */
    public int power;
    public final int maxPower = 10000;

    /** How long time left before cooked */
    public int cookTime;

    public int getSizeInventory()
    {
        return this.slots.length;
    }

    public String getInventoryName()
    {
        return this.hasCustomInventoryName() ? this.localizedName : "container.Grinder";
    }

    public boolean hasCustomInventoryName()
    {
        return this.localizedName != null && this.localizedName.length() > 0;
    }

    public void setGuiDisplayName(String displayName)
    {
        this.localizedName = displayName;
    }

    public ItemStack getStackInSlot(int i)
    {
        return this.slots[i];
    }

    public ItemStack decrStackSize(int i, int j)
    {
        if (this.slots[i] != null)
        {
            ItemStack itemstack;

            if (this.slots[i].stackSize <= j)
            {
                itemstack = this.slots[i];
                this.slots[i] = null;
                return itemstack;
            }
            else
            {
                itemstack = this.slots[i].splitStack(j);

                if (this.slots[i].stackSize == 0)
                {
                    this.slots[i] = null;
                }

                return itemstack;
            }
        }

        return null;
    }

    public ItemStack getStackInSlotOnClosing(int i)
    {
        if (this.slots[i] != null)
        {
            ItemStack itemstack = this.slots[i];
            this.slots[i] = null;
            return itemstack;
        }

        return null;
    }

    public void setInventorySlotContents(int i, ItemStack itemstack)
    {
        this.slots[i] = itemstack;

        if (itemstack != null && itemstack.stackSize > this.getInventoryStackLimit())
        {
            itemstack.stackSize = this.getInventoryStackLimit();
        }
    }

    public int getInventoryStackLimit()
    {
        return 64;
    }

    public void readFromNBT(NBTTagCompound nbt)
    {
        super.readFromNBT(nbt);
        NBTTagList list = nbt.getTagList("Items", 10);
        this.slots = new ItemStack[this.getSizeInventory()];

        for (int i = 0; i < list.tagCount(); i++)
        {
            NBTTagCompound compound = (NBTTagCompound) list.getCompoundTagAt(i);
            byte b = compound.getByte("Slot");

            if (b >= 0 && b < this.slots.length)
            {
                this.slots[b] = ItemStack.loadItemStackFromNBT(compound);
            }
        }

        this.power = nbt.getShort("BurnTime");
        this.cookTime = nbt.getShort("CookTime");

        if (nbt.hasKey("CustomName"))
        {
            this.localizedName = nbt.getString("CustomName");
        }
    }

    public void writeToNBT(NBTTagCompound nbt)
    {
        super.writeToNBT(nbt);
        nbt.setShort("BurnTime", (short)this.power);
        nbt.setShort("CookTime", (short)this.cookTime);
        NBTTagList list = new NBTTagList();

        for (int i = 0; i < this.slots.length; i++)
        {
            if (this.slots[i] != null)
            {
                NBTTagCompound compound = new NBTTagCompound();
                compound.setByte("Slot", (byte)i);
                this.slots[i].writeToNBT(compound);
                list.appendTag(compound);
            }
        }

        nbt.setTag("Items", list);

        if (this.hasCustomInventoryName())
        {
            nbt.setString("CustomName", this.localizedName);
        }
    }

    public boolean isUseableByPlayer(EntityPlayer entityplayer)
    {
        return this.worldObj.getTileEntity(this.xCoord, this.yCoord, this.zCoord) != this ? false : entityplayer.getDistanceSq((double)this.xCoord + 0.5D, (double)this.yCoord + 0.5D, (double)this.zCoord + 0.5D) <= 64.0D;
    }

    public void openInventory() {}
    public void closeInventory() {}

    public boolean hasPower()
    {
        return this.power > 0;
    }

    public void updateEntity()
    {
        boolean flag = this.hasPower();
        boolean flag1 = false;

        if (this.hasPower() && this.isMacerating())
        {
            this.power--;
        }

        if (!this.worldObj.isRemote)
        {
            if (this.hasItemPower(this.slots[1]) && this.power < (this.maxPower - this.getItemPower(this.slots[1])))
            {
                this.power += getItemPower(this.slots[1]);

                if (this.slots[1] != null)
                {
                    flag1 = true;
                    this.slots[1].stackSize--;

                    if (this.slots[1].stackSize == 0)
                    {
                        this.slots[1] = this.slots[1].getItem().getContainerItem(this.slots[1]);
                    }
                }
            }

            if (this.hasPower() && this.canSmelt())
            {
                this.cookTime++;

                if (this.cookTime == this.furnaceSpeed)
                {
                    this.cookTime = 0;
                    this.smeltItem();
                    flag1 = true;
                }
            }
            else
            {
                this.cookTime = 0;
            }

            if (flag != this.hasPower())
            {
                flag1 = true;
                Grinder.updateGrinderBlockState(this.hasPower(), this.worldObj, this.xCoord, this.yCoord, this.zCoord);
            }
        }

        if (flag1)
        {
            this.markDirty();
        }
    }

    private boolean canSmelt()
    {
        if (this.slots[0] == null)
        {
            return false;
        }
        else
        {
            ItemStack itemstack = ScienceCraft_recipes.smelting().getSmeltingResult(this.slots[0]);

            if (itemstack == null)
            {
                return false;
            }

            if (this.slots[2] == null)
            {
                return true;
            }

            if (!this.slots[2].isItemEqual(itemstack))
            {
                return false;
            }

            int result = this.slots[2].stackSize + 2;
            return (result <= getInventoryStackLimit() && result <= itemstack.getMaxStackSize());
        }
    }

    public void smeltItem()
    {
        if (this.canSmelt())
        {
            ItemStack itemstack = ScienceCraft_recipes.smelting().getSmeltingResult(this.slots[0]);
            itemstack.stackSize = 2;

            if (this.slots[2] == null)
            {
                this.slots[2] = itemstack.copy();
            }
            else if (this.slots[2].isItemEqual(itemstack))
            {
                this.slots[2].stackSize += itemstack.stackSize;
            }

            this.slots[0].stackSize--;

            if (this.slots[0].stackSize <= 0)
            {
                this.slots[0] = null;
            }
        }
    }

    public static int getItemPower(ItemStack itemstack)
    {
        if (itemstack == null)
        {
            return 0;
        }
        else
        {
            Item i = itemstack.getItem();
            //if(item instanceof ItemSword && ((ItemSword) item).getToolMaterialName().equals("WOOD")) return 200;

            if (i == ScienceCraft.EnergyCrystal)
            {
                return 500;    //200 is 1 item
            }

            return 0;
        }
    }

    public boolean isMacerating()
    {
        return this.cookTime > 0;
    }

    public static boolean hasItemPower(ItemStack itemstack)
    {
        return getItemPower(itemstack) > 0;
    }

    public boolean isItemValidForSlot(int i, ItemStack itemstack)
    {
        return i == 2 ? false : (i == 1 ? hasItemPower(itemstack) : true);
    }

    public int[] getAccessibleSlotsFromSide(int var1)
    {
        return var1 == 0 ? slots_bottom : (var1 == 1 ? slots_top : slots_sides);
    }

    public boolean canInsertItem(int i, ItemStack itemstack, int j)
    {
        return this.isItemValidForSlot(i, itemstack);
    }

    public boolean canExtractItem(int i, ItemStack itemstack, int j)
    {
        return j != 0 || i != 1 || itemstack.getItem() == Items.bucket;
    }

    public int getPowerRemainingScaled(int i)
    {
        return this.power * i / this.maxPower;
    }

    public int getMacerationProgressScaled(int i)
    {
        return this.cookTime * i / this.furnaceSpeed;
    }
}