    001package net.minecraft.tileentity;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import java.util.Iterator;
    006import java.util.List;
    007import net.minecraft.block.Block;
    008import net.minecraft.entity.player.EntityPlayer;
    009import net.minecraft.inventory.IInventory;
    010import net.minecraft.item.Item;
    011import net.minecraft.item.ItemStack;
    012import net.minecraft.nbt.NBTTagCompound;
    013import net.minecraft.network.packet.Packet;
    014import net.minecraft.network.packet.Packet132TileEntityData;
    015import net.minecraft.potion.Potion;
    016import net.minecraft.potion.PotionEffect;
    017import net.minecraft.util.AxisAlignedBB;
    018
    019public class TileEntityBeacon extends TileEntity implements IInventory
    020{
    021    /** List of effects that Beacon can apply */
    022    public static final Potion[][] effectsList = new Potion[][] {{Potion.moveSpeed, Potion.digSpeed}, {Potion.resistance, Potion.jump}, {Potion.damageBoost}, {Potion.regeneration}};
    023    @SideOnly(Side.CLIENT)
    024    private long field_82137_b;
    025    @SideOnly(Side.CLIENT)
    026    private float field_82138_c;
    027    private boolean isBeaconActive;
    028
    029    /** Level of this beacon's pyramid. */
    030    private int levels = -1;
    031
    032    /** Primary potion effect given by this beacon. */
    033    private int primaryEffect;
    034
    035    /** Secondary potion effect given by this beacon. */
    036    private int secondaryEffect;
    037
    038    /** Item given to this beacon as payment. */
    039    private ItemStack payment;
    040    private String field_94048_i;
    041
    042    /**
    043     * Allows the entity to update its state. Overridden in most subclasses, e.g. the mob spawner uses this to count
    044     * ticks and creates a new spawn inside its implementation.
    045     */
    046    public void updateEntity()
    047    {
    048        if (this.worldObj.getTotalWorldTime() % 80L == 0L)
    049        {
    050            this.updateState();
    051            this.addEffectsToPlayers();
    052        }
    053    }
    054
    055    private void addEffectsToPlayers()
    056    {
    057        if (this.isBeaconActive && this.levels > 0 && !this.worldObj.isRemote && this.primaryEffect > 0)
    058        {
    059            double d0 = (double)(this.levels * 10 + 10);
    060            byte b0 = 0;
    061
    062            if (this.levels >= 4 && this.primaryEffect == this.secondaryEffect)
    063            {
    064                b0 = 1;
    065            }
    066
    067            AxisAlignedBB axisalignedbb = AxisAlignedBB.getAABBPool().getAABB((double)this.xCoord, (double)this.yCoord, (double)this.zCoord, (double)(this.xCoord + 1), (double)(this.yCoord + 1), (double)(this.zCoord + 1)).expand(d0, d0, d0);
    068            axisalignedbb.maxY = (double)this.worldObj.getHeight();
    069            List list = this.worldObj.getEntitiesWithinAABB(EntityPlayer.class, axisalignedbb);
    070            Iterator iterator = list.iterator();
    071            EntityPlayer entityplayer;
    072
    073            while (iterator.hasNext())
    074            {
    075                entityplayer = (EntityPlayer)iterator.next();
    076                entityplayer.addPotionEffect(new PotionEffect(this.primaryEffect, 180, b0, true));
    077            }
    078
    079            if (this.levels >= 4 && this.primaryEffect != this.secondaryEffect && this.secondaryEffect > 0)
    080            {
    081                iterator = list.iterator();
    082
    083                while (iterator.hasNext())
    084                {
    085                    entityplayer = (EntityPlayer)iterator.next();
    086                    entityplayer.addPotionEffect(new PotionEffect(this.secondaryEffect, 180, 0, true));
    087                }
    088            }
    089        }
    090    }
    091
    092    /**
    093     * Checks if the Beacon has a valid pyramid underneath and direct sunlight above
    094     */
    095    private void updateState()
    096    {
    097        if (!this.worldObj.canBlockSeeTheSky(this.xCoord, this.yCoord + 1, this.zCoord))
    098        {
    099            this.isBeaconActive = false;
    100            this.levels = 0;
    101        }
    102        else
    103        {
    104            this.isBeaconActive = true;
    105            this.levels = 0;
    106
    107            for (int i = 1; i <= 4; this.levels = i++)
    108            {
    109                int j = this.yCoord - i;
    110
    111                if (j < 0)
    112                {
    113                    break;
    114                }
    115
    116                boolean flag = true;
    117
    118                for (int k = this.xCoord - i; k <= this.xCoord + i && flag; ++k)
    119                {
    120                    for (int l = this.zCoord - i; l <= this.zCoord + i; ++l)
    121                    {
    122                        int i1 = this.worldObj.getBlockId(k, j, l);
    123
    124                        Block block = Block.blocksList[i1];
    125
    126                        if (block == null || !block.isBeaconBase(worldObj, k, j, l, xCoord, yCoord, zCoord))
    127                        {
    128                            flag = false;
    129                            break;
    130                        }
    131                    }
    132                }
    133
    134                if (!flag)
    135                {
    136                    break;
    137                }
    138            }
    139
    140            if (this.levels == 0)
    141            {
    142                this.isBeaconActive = false;
    143            }
    144        }
    145    }
    146
    147    @SideOnly(Side.CLIENT)
    148    public float func_82125_v_()
    149    {
    150        if (!this.isBeaconActive)
    151        {
    152            return 0.0F;
    153        }
    154        else
    155        {
    156            int i = (int)(this.worldObj.getTotalWorldTime() - this.field_82137_b);
    157            this.field_82137_b = this.worldObj.getTotalWorldTime();
    158
    159            if (i > 1)
    160            {
    161                this.field_82138_c -= (float)i / 40.0F;
    162
    163                if (this.field_82138_c < 0.0F)
    164                {
    165                    this.field_82138_c = 0.0F;
    166                }
    167            }
    168
    169            this.field_82138_c += 0.025F;
    170
    171            if (this.field_82138_c > 1.0F)
    172            {
    173                this.field_82138_c = 1.0F;
    174            }
    175
    176            return this.field_82138_c;
    177        }
    178    }
    179
    180    /**
    181     * Return the primary potion effect given by this beacon.
    182     */
    183    public int getPrimaryEffect()
    184    {
    185        return this.primaryEffect;
    186    }
    187
    188    /**
    189     * Return the secondary potion effect given by this beacon.
    190     */
    191    public int getSecondaryEffect()
    192    {
    193        return this.secondaryEffect;
    194    }
    195
    196    /**
    197     * Return the levels of this beacon's pyramid.
    198     */
    199    public int getLevels()
    200    {
    201        return this.levels;
    202    }
    203
    204    @SideOnly(Side.CLIENT)
    205
    206    /**
    207     * Set the levels of this beacon's pyramid.
    208     */
    209    public void setLevels(int par1)
    210    {
    211        this.levels = par1;
    212    }
    213
    214    public void setPrimaryEffect(int par1)
    215    {
    216        this.primaryEffect = 0;
    217
    218        for (int j = 0; j < this.levels && j < 3; ++j)
    219        {
    220            Potion[] apotion = effectsList[j];
    221            int k = apotion.length;
    222
    223            for (int l = 0; l < k; ++l)
    224            {
    225                Potion potion = apotion[l];
    226
    227                if (potion.id == par1)
    228                {
    229                    this.primaryEffect = par1;
    230                    return;
    231                }
    232            }
    233        }
    234    }
    235
    236    public void setSecondaryEffect(int par1)
    237    {
    238        this.secondaryEffect = 0;
    239
    240        if (this.levels >= 4)
    241        {
    242            for (int j = 0; j < 4; ++j)
    243            {
    244                Potion[] apotion = effectsList[j];
    245                int k = apotion.length;
    246
    247                for (int l = 0; l < k; ++l)
    248                {
    249                    Potion potion = apotion[l];
    250
    251                    if (potion.id == par1)
    252                    {
    253                        this.secondaryEffect = par1;
    254                        return;
    255                    }
    256                }
    257            }
    258        }
    259    }
    260
    261    /**
    262     * Overriden in a sign to provide the text.
    263     */
    264    public Packet getDescriptionPacket()
    265    {
    266        NBTTagCompound nbttagcompound = new NBTTagCompound();
    267        this.writeToNBT(nbttagcompound);
    268        return new Packet132TileEntityData(this.xCoord, this.yCoord, this.zCoord, 3, nbttagcompound);
    269    }
    270
    271    @SideOnly(Side.CLIENT)
    272    public double getMaxRenderDistanceSquared()
    273    {
    274        return 65536.0D;
    275    }
    276
    277    /**
    278     * Reads a tile entity from NBT.
    279     */
    280    public void readFromNBT(NBTTagCompound par1NBTTagCompound)
    281    {
    282        super.readFromNBT(par1NBTTagCompound);
    283        this.primaryEffect = par1NBTTagCompound.getInteger("Primary");
    284        this.secondaryEffect = par1NBTTagCompound.getInteger("Secondary");
    285        this.levels = par1NBTTagCompound.getInteger("Levels");
    286    }
    287
    288    /**
    289     * Writes a tile entity to NBT.
    290     */
    291    public void writeToNBT(NBTTagCompound par1NBTTagCompound)
    292    {
    293        super.writeToNBT(par1NBTTagCompound);
    294        par1NBTTagCompound.setInteger("Primary", this.primaryEffect);
    295        par1NBTTagCompound.setInteger("Secondary", this.secondaryEffect);
    296        par1NBTTagCompound.setInteger("Levels", this.levels);
    297    }
    298
    299    /**
    300     * Returns the number of slots in the inventory.
    301     */
    302    public int getSizeInventory()
    303    {
    304        return 1;
    305    }
    306
    307    /**
    308     * Returns the stack in slot i
    309     */
    310    public ItemStack getStackInSlot(int par1)
    311    {
    312        return par1 == 0 ? this.payment : null;
    313    }
    314
    315    /**
    316     * Removes from an inventory slot (first arg) up to a specified number (second arg) of items and returns them in a
    317     * new stack.
    318     */
    319    public ItemStack decrStackSize(int par1, int par2)
    320    {
    321        if (par1 == 0 && this.payment != null)
    322        {
    323            if (par2 >= this.payment.stackSize)
    324            {
    325                ItemStack itemstack = this.payment;
    326                this.payment = null;
    327                return itemstack;
    328            }
    329            else
    330            {
    331                this.payment.stackSize -= par2;
    332                return new ItemStack(this.payment.itemID, par2, this.payment.getItemDamage());
    333            }
    334        }
    335        else
    336        {
    337            return null;
    338        }
    339    }
    340
    341    /**
    342     * When some containers are closed they call this on each slot, then drop whatever it returns as an EntityItem -
    343     * like when you close a workbench GUI.
    344     */
    345    public ItemStack getStackInSlotOnClosing(int par1)
    346    {
    347        if (par1 == 0 && this.payment != null)
    348        {
    349            ItemStack itemstack = this.payment;
    350            this.payment = null;
    351            return itemstack;
    352        }
    353        else
    354        {
    355            return null;
    356        }
    357    }
    358
    359    /**
    360     * Sets the given item stack to the specified slot in the inventory (can be crafting or armor sections).
    361     */
    362    public void setInventorySlotContents(int par1, ItemStack par2ItemStack)
    363    {
    364        if (par1 == 0)
    365        {
    366            this.payment = par2ItemStack;
    367        }
    368    }
    369
    370    /**
    371     * Returns the name of the inventory.
    372     */
    373    public String getInvName()
    374    {
    375        return this.isInvNameLocalized() ? this.field_94048_i : "container.beacon";
    376    }
    377
    378    /**
    379     * If this returns false, the inventory name will be used as an unlocalized name, and translated into the player's
    380     * language. Otherwise it will be used directly.
    381     */
    382    public boolean isInvNameLocalized()
    383    {
    384        return this.field_94048_i != null && this.field_94048_i.length() > 0;
    385    }
    386
    387    public void func_94047_a(String par1Str)
    388    {
    389        this.field_94048_i = par1Str;
    390    }
    391
    392    /**
    393     * Returns the maximum stack size for a inventory slot. Seems to always be 64, possibly will be extended. *Isn't
    394     * this more of a set than a get?*
    395     */
    396    public int getInventoryStackLimit()
    397    {
    398        return 1;
    399    }
    400
    401    /**
    402     * Do not make give this method the name canInteractWith because it clashes with Container
    403     */
    404    public boolean isUseableByPlayer(EntityPlayer par1EntityPlayer)
    405    {
    406        return this.worldObj.getBlockTileEntity(this.xCoord, this.yCoord, this.zCoord) != this ? false : par1EntityPlayer.getDistanceSq((double)this.xCoord + 0.5D, (double)this.yCoord + 0.5D, (double)this.zCoord + 0.5D) <= 64.0D;
    407    }
    408
    409    public void openChest() {}
    410
    411    public void closeChest() {}
    412
    413    /**
    414     * Returns true if automation is allowed to insert the given stack (ignoring stack size) into the given slot.
    415     */
    416    public boolean isStackValidForSlot(int par1, ItemStack par2ItemStack)
    417    {
    418        return par2ItemStack.itemID == Item.emerald.itemID || par2ItemStack.itemID == Item.diamond.itemID || par2ItemStack.itemID == Item.ingotGold.itemID || par2ItemStack.itemID == Item.ingotIron.itemID;
    419    }
    420}