    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    }