001    package net.minecraft.tileentity;
002    
003    import cpw.mods.fml.relauncher.Side;
004    import cpw.mods.fml.relauncher.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 < 0)
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    }