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}