001    package net.minecraft.src;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    import java.util.List;
006    
007    public class EntityFishHook extends Entity
008    {
009        /** The tile this entity is on, X position */
010        private int xTile;
011    
012        /** The tile this entity is on, Y position */
013        private int yTile;
014    
015        /** The tile this entity is on, Z position */
016        private int zTile;
017        private int inTile;
018        private boolean inGround;
019        public int shake;
020        public EntityPlayer angler;
021        private int ticksInGround;
022        private int ticksInAir;
023    
024        /** the number of ticks remaining until this fish can no longer be caught */
025        private int ticksCatchable;
026    
027        /**
028         * The entity that the fishing rod is connected to, if any. When you right click on the fishing rod and the hook
029         * falls on to an entity, this it that entity.
030         */
031        public Entity bobber;
032        private int fishPosRotationIncrements;
033        private double fishX;
034        private double fishY;
035        private double fishZ;
036        private double fishYaw;
037        private double fishPitch;
038        @SideOnly(Side.CLIENT)
039        private double velocityX;
040        @SideOnly(Side.CLIENT)
041        private double velocityY;
042        @SideOnly(Side.CLIENT)
043        private double velocityZ;
044    
045        public EntityFishHook(World par1World)
046        {
047            super(par1World);
048            this.xTile = -1;
049            this.yTile = -1;
050            this.zTile = -1;
051            this.inTile = 0;
052            this.inGround = false;
053            this.shake = 0;
054            this.ticksInAir = 0;
055            this.ticksCatchable = 0;
056            this.bobber = null;
057            this.setSize(0.25F, 0.25F);
058            this.ignoreFrustumCheck = true;
059        }
060    
061        @SideOnly(Side.CLIENT)
062        public EntityFishHook(World par1World, double par2, double par4, double par6, EntityPlayer par8EntityPlayer)
063        {
064            this(par1World);
065            this.setPosition(par2, par4, par6);
066            this.ignoreFrustumCheck = true;
067            this.angler = par8EntityPlayer;
068            par8EntityPlayer.fishEntity = this;
069        }
070    
071        public EntityFishHook(World par1World, EntityPlayer par2EntityPlayer)
072        {
073            super(par1World);
074            this.xTile = -1;
075            this.yTile = -1;
076            this.zTile = -1;
077            this.inTile = 0;
078            this.inGround = false;
079            this.shake = 0;
080            this.ticksInAir = 0;
081            this.ticksCatchable = 0;
082            this.bobber = null;
083            this.ignoreFrustumCheck = true;
084            this.angler = par2EntityPlayer;
085            this.angler.fishEntity = this;
086            this.setSize(0.25F, 0.25F);
087            this.setLocationAndAngles(par2EntityPlayer.posX, par2EntityPlayer.posY + 1.62D - (double)par2EntityPlayer.yOffset, par2EntityPlayer.posZ, par2EntityPlayer.rotationYaw, par2EntityPlayer.rotationPitch);
088            this.posX -= (double)(MathHelper.cos(this.rotationYaw / 180.0F * (float)Math.PI) * 0.16F);
089            this.posY -= 0.10000000149011612D;
090            this.posZ -= (double)(MathHelper.sin(this.rotationYaw / 180.0F * (float)Math.PI) * 0.16F);
091            this.setPosition(this.posX, this.posY, this.posZ);
092            this.yOffset = 0.0F;
093            float var3 = 0.4F;
094            this.motionX = (double)(-MathHelper.sin(this.rotationYaw / 180.0F * (float)Math.PI) * MathHelper.cos(this.rotationPitch / 180.0F * (float)Math.PI) * var3);
095            this.motionZ = (double)(MathHelper.cos(this.rotationYaw / 180.0F * (float)Math.PI) * MathHelper.cos(this.rotationPitch / 180.0F * (float)Math.PI) * var3);
096            this.motionY = (double)(-MathHelper.sin(this.rotationPitch / 180.0F * (float)Math.PI) * var3);
097            this.calculateVelocity(this.motionX, this.motionY, this.motionZ, 1.5F, 1.0F);
098        }
099    
100        protected void entityInit() {}
101    
102        @SideOnly(Side.CLIENT)
103    
104        /**
105         * Checks if the entity is in range to render by using the past in distance and comparing it to its average edge
106         * length * 64 * renderDistanceWeight Args: distance
107         */
108        public boolean isInRangeToRenderDist(double par1)
109        {
110            double var3 = this.boundingBox.getAverageEdgeLength() * 4.0D;
111            var3 *= 64.0D;
112            return par1 < var3 * var3;
113        }
114    
115        public void calculateVelocity(double par1, double par3, double par5, float par7, float par8)
116        {
117            float var9 = MathHelper.sqrt_double(par1 * par1 + par3 * par3 + par5 * par5);
118            par1 /= (double)var9;
119            par3 /= (double)var9;
120            par5 /= (double)var9;
121            par1 += this.rand.nextGaussian() * 0.007499999832361937D * (double)par8;
122            par3 += this.rand.nextGaussian() * 0.007499999832361937D * (double)par8;
123            par5 += this.rand.nextGaussian() * 0.007499999832361937D * (double)par8;
124            par1 *= (double)par7;
125            par3 *= (double)par7;
126            par5 *= (double)par7;
127            this.motionX = par1;
128            this.motionY = par3;
129            this.motionZ = par5;
130            float var10 = MathHelper.sqrt_double(par1 * par1 + par5 * par5);
131            this.prevRotationYaw = this.rotationYaw = (float)(Math.atan2(par1, par5) * 180.0D / Math.PI);
132            this.prevRotationPitch = this.rotationPitch = (float)(Math.atan2(par3, (double)var10) * 180.0D / Math.PI);
133            this.ticksInGround = 0;
134        }
135    
136        @SideOnly(Side.CLIENT)
137    
138        /**
139         * Sets the position and rotation. Only difference from the other one is no bounding on the rotation. Args: posX,
140         * posY, posZ, yaw, pitch
141         */
142        public void setPositionAndRotation2(double par1, double par3, double par5, float par7, float par8, int par9)
143        {
144            this.fishX = par1;
145            this.fishY = par3;
146            this.fishZ = par5;
147            this.fishYaw = (double)par7;
148            this.fishPitch = (double)par8;
149            this.fishPosRotationIncrements = par9;
150            this.motionX = this.velocityX;
151            this.motionY = this.velocityY;
152            this.motionZ = this.velocityZ;
153        }
154    
155        @SideOnly(Side.CLIENT)
156    
157        /**
158         * Sets the velocity to the args. Args: x, y, z
159         */
160        public void setVelocity(double par1, double par3, double par5)
161        {
162            this.velocityX = this.motionX = par1;
163            this.velocityY = this.motionY = par3;
164            this.velocityZ = this.motionZ = par5;
165        }
166    
167        /**
168         * Called to update the entity's position/logic.
169         */
170        public void onUpdate()
171        {
172            super.onUpdate();
173    
174            if (this.fishPosRotationIncrements > 0)
175            {
176                double var21 = this.posX + (this.fishX - this.posX) / (double)this.fishPosRotationIncrements;
177                double var22 = this.posY + (this.fishY - this.posY) / (double)this.fishPosRotationIncrements;
178                double var23 = this.posZ + (this.fishZ - this.posZ) / (double)this.fishPosRotationIncrements;
179                double var7 = MathHelper.wrapAngleTo180_double(this.fishYaw - (double)this.rotationYaw);
180                this.rotationYaw = (float)((double)this.rotationYaw + var7 / (double)this.fishPosRotationIncrements);
181                this.rotationPitch = (float)((double)this.rotationPitch + (this.fishPitch - (double)this.rotationPitch) / (double)this.fishPosRotationIncrements);
182                --this.fishPosRotationIncrements;
183                this.setPosition(var21, var22, var23);
184                this.setRotation(this.rotationYaw, this.rotationPitch);
185            }
186            else
187            {
188                if (!this.worldObj.isRemote)
189                {
190                    ItemStack var1 = this.angler.getCurrentEquippedItem();
191    
192                    if (this.angler.isDead || !this.angler.isEntityAlive() || var1 == null || var1.getItem() != Item.fishingRod || this.getDistanceSqToEntity(this.angler) > 1024.0D)
193                    {
194                        this.setDead();
195                        this.angler.fishEntity = null;
196                        return;
197                    }
198    
199                    if (this.bobber != null)
200                    {
201                        if (!this.bobber.isDead)
202                        {
203                            this.posX = this.bobber.posX;
204                            this.posY = this.bobber.boundingBox.minY + (double)this.bobber.height * 0.8D;
205                            this.posZ = this.bobber.posZ;
206                            return;
207                        }
208    
209                        this.bobber = null;
210                    }
211                }
212    
213                if (this.shake > 0)
214                {
215                    --this.shake;
216                }
217    
218                if (this.inGround)
219                {
220                    int var19 = this.worldObj.getBlockId(this.xTile, this.yTile, this.zTile);
221    
222                    if (var19 == this.inTile)
223                    {
224                        ++this.ticksInGround;
225    
226                        if (this.ticksInGround == 1200)
227                        {
228                            this.setDead();
229                        }
230    
231                        return;
232                    }
233    
234                    this.inGround = false;
235                    this.motionX *= (double)(this.rand.nextFloat() * 0.2F);
236                    this.motionY *= (double)(this.rand.nextFloat() * 0.2F);
237                    this.motionZ *= (double)(this.rand.nextFloat() * 0.2F);
238                    this.ticksInGround = 0;
239                    this.ticksInAir = 0;
240                }
241                else
242                {
243                    ++this.ticksInAir;
244                }
245    
246                Vec3 var20 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX, this.posY, this.posZ);
247                Vec3 var2 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);
248                MovingObjectPosition var3 = this.worldObj.rayTraceBlocks(var20, var2);
249                var20 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX, this.posY, this.posZ);
250                var2 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);
251    
252                if (var3 != null)
253                {
254                    var2 = this.worldObj.getWorldVec3Pool().getVecFromPool(var3.hitVec.xCoord, var3.hitVec.yCoord, var3.hitVec.zCoord);
255                }
256    
257                Entity var4 = null;
258                List var5 = this.worldObj.getEntitiesWithinAABBExcludingEntity(this, this.boundingBox.addCoord(this.motionX, this.motionY, this.motionZ).expand(1.0D, 1.0D, 1.0D));
259                double var6 = 0.0D;
260                double var13;
261    
262                for (int var8 = 0; var8 < var5.size(); ++var8)
263                {
264                    Entity var9 = (Entity)var5.get(var8);
265    
266                    if (var9.canBeCollidedWith() && (var9 != this.angler || this.ticksInAir >= 5))
267                    {
268                        float var10 = 0.3F;
269                        AxisAlignedBB var11 = var9.boundingBox.expand((double)var10, (double)var10, (double)var10);
270                        MovingObjectPosition var12 = var11.calculateIntercept(var20, var2);
271    
272                        if (var12 != null)
273                        {
274                            var13 = var20.distanceTo(var12.hitVec);
275    
276                            if (var13 < var6 || var6 == 0.0D)
277                            {
278                                var4 = var9;
279                                var6 = var13;
280                            }
281                        }
282                    }
283                }
284    
285                if (var4 != null)
286                {
287                    var3 = new MovingObjectPosition(var4);
288                }
289    
290                if (var3 != null)
291                {
292                    if (var3.entityHit != null)
293                    {
294                        if (var3.entityHit.attackEntityFrom(DamageSource.causeThrownDamage(this, this.angler), 0))
295                        {
296                            this.bobber = var3.entityHit;
297                        }
298                    }
299                    else
300                    {
301                        this.inGround = true;
302                    }
303                }
304    
305                if (!this.inGround)
306                {
307                    this.moveEntity(this.motionX, this.motionY, this.motionZ);
308                    float var24 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ);
309                    this.rotationYaw = (float)(Math.atan2(this.motionX, this.motionZ) * 180.0D / Math.PI);
310    
311                    for (this.rotationPitch = (float)(Math.atan2(this.motionY, (double)var24) * 180.0D / Math.PI); this.rotationPitch - this.prevRotationPitch < -180.0F; this.prevRotationPitch -= 360.0F)
312                    {
313                        ;
314                    }
315    
316                    while (this.rotationPitch - this.prevRotationPitch >= 180.0F)
317                    {
318                        this.prevRotationPitch += 360.0F;
319                    }
320    
321                    while (this.rotationYaw - this.prevRotationYaw < -180.0F)
322                    {
323                        this.prevRotationYaw -= 360.0F;
324                    }
325    
326                    while (this.rotationYaw - this.prevRotationYaw >= 180.0F)
327                    {
328                        this.prevRotationYaw += 360.0F;
329                    }
330    
331                    this.rotationPitch = this.prevRotationPitch + (this.rotationPitch - this.prevRotationPitch) * 0.2F;
332                    this.rotationYaw = this.prevRotationYaw + (this.rotationYaw - this.prevRotationYaw) * 0.2F;
333                    float var25 = 0.92F;
334    
335                    if (this.onGround || this.isCollidedHorizontally)
336                    {
337                        var25 = 0.5F;
338                    }
339    
340                    byte var27 = 5;
341                    double var26 = 0.0D;
342    
343                    for (int var29 = 0; var29 < var27; ++var29)
344                    {
345                        double var14 = this.boundingBox.minY + (this.boundingBox.maxY - this.boundingBox.minY) * (double)(var29 + 0) / (double)var27 - 0.125D + 0.125D;
346                        double var16 = this.boundingBox.minY + (this.boundingBox.maxY - this.boundingBox.minY) * (double)(var29 + 1) / (double)var27 - 0.125D + 0.125D;
347                        AxisAlignedBB var18 = AxisAlignedBB.getAABBPool().addOrModifyAABBInPool(this.boundingBox.minX, var14, this.boundingBox.minZ, this.boundingBox.maxX, var16, this.boundingBox.maxZ);
348    
349                        if (this.worldObj.isAABBInMaterial(var18, Material.water))
350                        {
351                            var26 += 1.0D / (double)var27;
352                        }
353                    }
354    
355                    if (var26 > 0.0D)
356                    {
357                        if (this.ticksCatchable > 0)
358                        {
359                            --this.ticksCatchable;
360                        }
361                        else
362                        {
363                            short var28 = 500;
364    
365                            if (this.worldObj.canLightningStrikeAt(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.posY) + 1, MathHelper.floor_double(this.posZ)))
366                            {
367                                var28 = 300;
368                            }
369    
370                            if (this.rand.nextInt(var28) == 0)
371                            {
372                                this.ticksCatchable = this.rand.nextInt(30) + 10;
373                                this.motionY -= 0.20000000298023224D;
374                                this.func_85030_a("random.splash", 0.25F, 1.0F + (this.rand.nextFloat() - this.rand.nextFloat()) * 0.4F);
375                                float var30 = (float)MathHelper.floor_double(this.boundingBox.minY);
376                                int var15;
377                                float var17;
378                                float var31;
379    
380                                for (var15 = 0; (float)var15 < 1.0F + this.width * 20.0F; ++var15)
381                                {
382                                    var31 = (this.rand.nextFloat() * 2.0F - 1.0F) * this.width;
383                                    var17 = (this.rand.nextFloat() * 2.0F - 1.0F) * this.width;
384                                    this.worldObj.spawnParticle("bubble", this.posX + (double)var31, (double)(var30 + 1.0F), this.posZ + (double)var17, this.motionX, this.motionY - (double)(this.rand.nextFloat() * 0.2F), this.motionZ);
385                                }
386    
387                                for (var15 = 0; (float)var15 < 1.0F + this.width * 20.0F; ++var15)
388                                {
389                                    var31 = (this.rand.nextFloat() * 2.0F - 1.0F) * this.width;
390                                    var17 = (this.rand.nextFloat() * 2.0F - 1.0F) * this.width;
391                                    this.worldObj.spawnParticle("splash", this.posX + (double)var31, (double)(var30 + 1.0F), this.posZ + (double)var17, this.motionX, this.motionY, this.motionZ);
392                                }
393                            }
394                        }
395                    }
396    
397                    if (this.ticksCatchable > 0)
398                    {
399                        this.motionY -= (double)(this.rand.nextFloat() * this.rand.nextFloat() * this.rand.nextFloat()) * 0.2D;
400                    }
401    
402                    var13 = var26 * 2.0D - 1.0D;
403                    this.motionY += 0.03999999910593033D * var13;
404    
405                    if (var26 > 0.0D)
406                    {
407                        var25 = (float)((double)var25 * 0.9D);
408                        this.motionY *= 0.8D;
409                    }
410    
411                    this.motionX *= (double)var25;
412                    this.motionY *= (double)var25;
413                    this.motionZ *= (double)var25;
414                    this.setPosition(this.posX, this.posY, this.posZ);
415                }
416            }
417        }
418    
419        /**
420         * (abstract) Protected helper method to write subclass entity data to NBT.
421         */
422        public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound)
423        {
424            par1NBTTagCompound.setShort("xTile", (short)this.xTile);
425            par1NBTTagCompound.setShort("yTile", (short)this.yTile);
426            par1NBTTagCompound.setShort("zTile", (short)this.zTile);
427            par1NBTTagCompound.setByte("inTile", (byte)this.inTile);
428            par1NBTTagCompound.setByte("shake", (byte)this.shake);
429            par1NBTTagCompound.setByte("inGround", (byte)(this.inGround ? 1 : 0));
430        }
431    
432        /**
433         * (abstract) Protected helper method to read subclass entity data from NBT.
434         */
435        public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound)
436        {
437            this.xTile = par1NBTTagCompound.getShort("xTile");
438            this.yTile = par1NBTTagCompound.getShort("yTile");
439            this.zTile = par1NBTTagCompound.getShort("zTile");
440            this.inTile = par1NBTTagCompound.getByte("inTile") & 255;
441            this.shake = par1NBTTagCompound.getByte("shake") & 255;
442            this.inGround = par1NBTTagCompound.getByte("inGround") == 1;
443        }
444    
445        @SideOnly(Side.CLIENT)
446        public float getShadowSize()
447        {
448            return 0.0F;
449        }
450    
451        public int catchFish()
452        {
453            if (this.worldObj.isRemote)
454            {
455                return 0;
456            }
457            else
458            {
459                byte var1 = 0;
460    
461                if (this.bobber != null)
462                {
463                    double var2 = this.angler.posX - this.posX;
464                    double var4 = this.angler.posY - this.posY;
465                    double var6 = this.angler.posZ - this.posZ;
466                    double var8 = (double)MathHelper.sqrt_double(var2 * var2 + var4 * var4 + var6 * var6);
467                    double var10 = 0.1D;
468                    this.bobber.motionX += var2 * var10;
469                    this.bobber.motionY += var4 * var10 + (double)MathHelper.sqrt_double(var8) * 0.08D;
470                    this.bobber.motionZ += var6 * var10;
471                    var1 = 3;
472                }
473                else if (this.ticksCatchable > 0)
474                {
475                    EntityItem var13 = new EntityItem(this.worldObj, this.posX, this.posY, this.posZ, new ItemStack(Item.fishRaw));
476                    double var3 = this.angler.posX - this.posX;
477                    double var5 = this.angler.posY - this.posY;
478                    double var7 = this.angler.posZ - this.posZ;
479                    double var9 = (double)MathHelper.sqrt_double(var3 * var3 + var5 * var5 + var7 * var7);
480                    double var11 = 0.1D;
481                    var13.motionX = var3 * var11;
482                    var13.motionY = var5 * var11 + (double)MathHelper.sqrt_double(var9) * 0.08D;
483                    var13.motionZ = var7 * var11;
484                    this.worldObj.spawnEntityInWorld(var13);
485                    this.angler.addStat(StatList.fishCaughtStat, 1);
486                    this.angler.worldObj.spawnEntityInWorld(new EntityXPOrb(this.angler.worldObj, this.angler.posX, this.angler.posY + 0.5D, this.angler.posZ + 0.5D, this.rand.nextInt(3) + 1));
487                    var1 = 1;
488                }
489    
490                if (this.inGround)
491                {
492                    var1 = 2;
493                }
494    
495                this.setDead();
496                this.angler.fishEntity = null;
497                return var1;
498            }
499        }
500    
501        /**
502         * Will get destroyed next tick.
503         */
504        public void setDead()
505        {
506            super.setDead();
507    
508            if (this.angler != null)
509            {
510                this.angler.fishEntity = null;
511            }
512        }
513    }