    001    package net.minecraft.tileentity;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import java.util.Iterator;
    006    import java.util.List;
    007    import net.minecraft.block.Block;
    008    import net.minecraft.entity.player.EntityPlayer;
    009    import net.minecraft.inventory.IInventory;
    010    import net.minecraft.item.ItemStack;
    011    import net.minecraft.nbt.NBTTagCompound;
    012    import net.minecraft.network.packet.Packet;
    013    import net.minecraft.network.packet.Packet132TileEntityData;
    014    import net.minecraft.potion.Potion;
    015    import net.minecraft.potion.PotionEffect;
    016    import net.minecraft.util.AxisAlignedBB;
    017
    018    public class TileEntityBeacon extends TileEntity implements IInventory
    019    {
    020        /** List of effects that Beacon can apply */
    021        public static final Potion[][] effectsList = new Potion[][] {{Potion.moveSpeed, Potion.digSpeed}, {Potion.resistance, Potion.jump}, {Potion.damageBoost}, {Potion.regeneration}};
    022        @SideOnly(Side.CLIENT)
    023        private long field_82137_b;
    024        @SideOnly(Side.CLIENT)
    025        private float field_82138_c;
    026        private boolean field_82135_d;
    027
    028        /** Level of this beacon's pyramid. */
    029        private int levels = -1;
    030
    031        /** Primary potion effect given by this beacon. */
    032        private int primaryEffect;
    033
    034        /** Secondary potion effect given by this beacon. */
    035        private int secondaryEffect;
    036
    037        /** Item given to this beacon as payment. */
    038        private ItemStack payment;
    039
    040        /**
    041         * Allows the entity to update its state. Overridden in most subclasses, e.g. the mob spawner uses this to count
    042         * ticks and creates a new spawn inside its implementation.
    043         */
    044        public void updateEntity()
    045        {
    046            if (this.worldObj.getTotalWorldTime() % 80L == 0L)
    047            {
    048                this.func_82131_u();
    049                this.func_82124_t();
    050            }
    051        }
    052
    053        private void func_82124_t()
    054        {
    055            if (this.field_82135_d && this.levels > 0 && !this.worldObj.isRemote && this.primaryEffect > 0)
    056            {
    057                double var1 = (double)(this.levels * 8 + 8);
    058                byte var3 = 0;
    059
    060                if (this.levels >= 4 && this.primaryEffect == this.secondaryEffect)
    061                {
    062                    var3 = 1;
    063                }
    064
    065                AxisAlignedBB var4 = AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)this.xCoord, (double)this.yCoord, (double)this.zCoord, (double)(this.xCoord + 1), (double)(this.yCoord + 1), (double)(this.zCoord + 1)).expand(var1, var1, var1);
    066                List var5 = this.worldObj.getEntitiesWithinAABB(EntityPlayer.class, var4);
    067                Iterator var6 = var5.iterator();
    068                EntityPlayer var7;
    069
    070                while (var6.hasNext())
    071                {
    072                    var7 = (EntityPlayer)var6.next();
    073                    var7.addPotionEffect(new PotionEffect(this.primaryEffect, 180, var3, true));
    074                }
    075
    076                if (this.levels >= 4 && this.primaryEffect != this.secondaryEffect && this.secondaryEffect > 0)
    077                {
    078                    var6 = var5.iterator();
    079
    080                    while (var6.hasNext())
    081                    {
    082                        var7 = (EntityPlayer)var6.next();
    083                        var7.addPotionEffect(new PotionEffect(this.secondaryEffect, 180, 0, true));
    084                    }
    085                }
    086            }
    087        }
    088
    089        private void func_82131_u()
    090        {
    091            if (!this.worldObj.canBlockSeeTheSky(this.xCoord, this.yCoord + 1, this.zCoord))
    092            {
    093                this.field_82135_d = false;
    094                this.levels = 0;
    095            }
    096            else
    097            {
    098                this.field_82135_d = true;
    099                this.levels = 0;
    100
    101                for (int var1 = 1; var1 <= 4; this.levels = var1++)
    102                {
    103                    int var2 = this.yCoord - var1;
    104
    105                    if (var2 < 1)
    106                    {
    107                        break;
    108                    }
    109
    110                    boolean var3 = true;
    111
    112                    for (int var4 = this.xCoord - var1; var4 <= this.xCoord + var1 && var3; ++var4)
    113                    {
    114                        for (int var5 = this.zCoord - var1; var5 <= this.zCoord + var1; ++var5)
    115                        {
    116                            int var6 = this.worldObj.getBlockId(var4, var2, var5);
    117                            Block block = Block.blocksList[var6];
    118
    119                            if (block == null || !block.isBeaconBase(worldObj, var4, var2, var5, xCoord, yCoord, zCoord))
    120                            {
    121                                var3 = false;
    122                                break;
    123                            }
    124                        }
    125                    }
    126
    127                    if (!var3)
    128                    {
    129                        break;
    130                    }
    131                }
    132
    133                if (this.levels == 0)
    134                {
    135                    this.field_82135_d = false;
    136                }
    137            }
    138        }
    139
    140        @SideOnly(Side.CLIENT)
    141        public float func_82125_v_()
    142        {
    143            if (!this.field_82135_d)
    144            {
    145                return 0.0F;
    146            }
    147            else
    148            {
    149                int var1 = (int)(this.worldObj.getTotalWorldTime() - this.field_82137_b);
    150                this.field_82137_b = this.worldObj.getTotalWorldTime();
    151
    152                if (var1 > 1)
    153                {
    154                    this.field_82138_c -= (float)var1 / 40.0F;
    155
    156                    if (this.field_82138_c < 0.0F)
    157                    {
    158                        this.field_82138_c = 0.0F;
    159                    }
    160                }
    161
    162                this.field_82138_c += 0.025F;
    163
    164                if (this.field_82138_c > 1.0F)
    165                {
    166                    this.field_82138_c = 1.0F;
    167                }
    168
    169                return this.field_82138_c;
    170            }
    171        }
    172
    173        /**
    174         * Return the primary potion effect given by this beacon.
    175         */
    176        public int getPrimaryEffect()
    177        {
    178            return this.primaryEffect;
    179        }
    180
    181        /**
    182         * Return the secondary potion effect given by this beacon.
    183         */
    184        public int getSecondaryEffect()
    185        {
    186            return this.secondaryEffect;
    187        }
    188
    189        /**
    190         * Return the levels of this beacon's pyramid.
    191         */
    192        public int getLevels()
    193        {
    194            return this.levels;
    195        }
    196
    197        @SideOnly(Side.CLIENT)
    198
    199        /**
    200         * Set the levels of this beacon's pyramid.
    201         */
    202        public void setLevels(int par1)
    203        {
    204            this.levels = par1;
    205        }
    206
    207        public void func_82128_d(int par1)
    208        {
    209            this.primaryEffect = 0;
    210
    211            for (int var2 = 0; var2 < this.levels && var2 < 3; ++var2)
    212            {
    213                Potion[] var3 = effectsList[var2];
    214                int var4 = var3.length;
    215
    216                for (int var5 = 0; var5 < var4; ++var5)
    217                {
    218                    Potion var6 = var3[var5];
    219
    220                    if (var6.id == par1)
    221                    {
    222                        this.primaryEffect = par1;
    223                        return;
    224                    }
    225                }
    226            }
    227        }
    228
    229        public void func_82127_e(int par1)
    230        {
    231            this.secondaryEffect = 0;
    232
    233            if (this.levels >= 4)
    234            {
    235                for (int var2 = 0; var2 < 4; ++var2)
    236                {
    237                    Potion[] var3 = effectsList[var2];
    238                    int var4 = var3.length;
    239
    240                    for (int var5 = 0; var5 < var4; ++var5)
    241                    {
    242                        Potion var6 = var3[var5];
    243
    244                        if (var6.id == par1)
    245                        {
    246                            this.secondaryEffect = par1;
    247                            return;
    248                        }
    249                    }
    250                }
    251            }
    252        }
    253
    254        /**
    255         * Overriden in a sign to provide the text.
    256         */
    257        public Packet getDescriptionPacket()
    258        {
    259            NBTTagCompound var1 = new NBTTagCompound();
    260            this.writeToNBT(var1);
    261            return new Packet132TileEntityData(this.xCoord, this.yCoord, this.zCoord, 3, var1);
    262        }
    263
    264        @SideOnly(Side.CLIENT)
    265        public double func_82115_m()
    266        {
    267            return 65536.0D;
    268        }
    269
    270        /**
    271         * Reads a tile entity from NBT.
    272         */
    273        public void readFromNBT(NBTTagCompound par1NBTTagCompound)
    274        {
    275            super.readFromNBT(par1NBTTagCompound);
    276            this.primaryEffect = par1NBTTagCompound.getInteger("Primary");
    277            this.secondaryEffect = par1NBTTagCompound.getInteger("Secondary");
    278            this.levels = par1NBTTagCompound.getInteger("Levels");
    279        }
    280
    281        /**
    282         * Writes a tile entity to NBT.
    283         */
    284        public void writeToNBT(NBTTagCompound par1NBTTagCompound)
    285        {
    286            super.writeToNBT(par1NBTTagCompound);
    287            par1NBTTagCompound.setInteger("Primary", this.primaryEffect);
    288            par1NBTTagCompound.setInteger("Secondary", this.secondaryEffect);
    289            par1NBTTagCompound.setInteger("Levels", this.levels);
    290        }
    291
    292        /**
    293         * Returns the number of slots in the inventory.
    294         */
    295        public int getSizeInventory()
    296        {
    297            return 1;
    298        }
    299
    300        /**
    301         * Returns the stack in slot i
    302         */
    303        public ItemStack getStackInSlot(int par1)
    304        {
    305            return par1 == 0 ? this.payment : null;
    306        }
    307
    308        /**
    309         * Removes from an inventory slot (first arg) up to a specified number (second arg) of items and returns them in a
    310         * new stack.
    311         */
    312        public ItemStack decrStackSize(int par1, int par2)
    313        {
    314            if (par1 == 0 && this.payment != null)
    315            {
    316                if (par2 >= this.payment.stackSize)
    317                {
    318                    ItemStack var3 = this.payment;
    319                    this.payment = null;
    320                    return var3;
    321                }
    322                else
    323                {
    324                    this.payment.stackSize -= par2;
    325                    return new ItemStack(this.payment.itemID, par2, this.payment.getItemDamage());
    326                }
    327            }
    328            else
    329            {
    330                return null;
    331            }
    332        }
    333
    334        /**
    335         * When some containers are closed they call this on each slot, then drop whatever it returns as an EntityItem -
    336         * like when you close a workbench GUI.
    337         */
    338        public ItemStack getStackInSlotOnClosing(int par1)
    339        {
    340            if (par1 == 0 && this.payment != null)
    341            {
    342                ItemStack var2 = this.payment;
    343                this.payment = null;
    344                return var2;
    345            }
    346            else
    347            {
    348                return null;
    349            }
    350        }
    351
    352        /**
    353         * Sets the given item stack to the specified slot in the inventory (can be crafting or armor sections).
    354         */
    355        public void setInventorySlotContents(int par1, ItemStack par2ItemStack)
    356        {
    357            if (par1 == 0)
    358            {
    359                this.payment = par2ItemStack;
    360            }
    361        }
    362
    363        /**
    364         * Returns the name of the inventory.
    365         */
    366        public String getInvName()
    367        {
    368            return "container.beacon";
    369        }
    370
    371        /**
    372         * Returns the maximum stack size for a inventory slot. Seems to always be 64, possibly will be extended. *Isn't
    373         * this more of a set than a get?*
    374         */
    375        public int getInventoryStackLimit()
    376        {
    377            return 1;
    378        }
    379
    380        /**
    381         * Do not make give this method the name canInteractWith because it clashes with Container
    382         */
    383        public boolean isUseableByPlayer(EntityPlayer par1EntityPlayer)
    384        {
    385            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;
    386        }
    387
    388        public void openChest() {}
    389
    390        public void closeChest() {}
    391    }