    001    package net.minecraft.entity.projectile;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import java.util.List;
    006    import net.minecraft.block.material.Material;
    007    import net.minecraft.entity.Entity;
    008    import net.minecraft.entity.item.EntityItem;
    009    import net.minecraft.entity.item.EntityXPOrb;
    010    import net.minecraft.entity.player.EntityPlayer;
    011    import net.minecraft.item.Item;
    012    import net.minecraft.item.ItemStack;
    013    import net.minecraft.nbt.NBTTagCompound;
    014    import net.minecraft.stats.StatList;
    015    import net.minecraft.util.AxisAlignedBB;
    016    import net.minecraft.util.DamageSource;
    017    import net.minecraft.util.MathHelper;
    018    import net.minecraft.util.MovingObjectPosition;
    019    import net.minecraft.util.Vec3;
    020    import net.minecraft.world.World;
    021
    022    public class EntityFishHook extends Entity
    023    {
    024        /** The tile this entity is on, X position */
    025        private int xTile;
    026
    027        /** The tile this entity is on, Y position */
    028        private int yTile;
    029
    030        /** The tile this entity is on, Z position */
    031        private int zTile;
    032        private int inTile;
    033        private boolean inGround;
    034        public int shake;
    035        public EntityPlayer angler;
    036        private int ticksInGround;
    037        private int ticksInAir;
    038
    039        /** the number of ticks remaining until this fish can no longer be caught */
    040        private int ticksCatchable;
    041
    042        /**
    043         * The entity that the fishing rod is connected to, if any. When you right click on the fishing rod and the hook
    044         * falls on to an entity, this it that entity.
    045         */
    046        public Entity bobber;
    047        private int fishPosRotationIncrements;
    048        private double fishX;
    049        private double fishY;
    050        private double fishZ;
    051        private double fishYaw;
    052        private double fishPitch;
    053        @SideOnly(Side.CLIENT)
    054        private double velocityX;
    055        @SideOnly(Side.CLIENT)
    056        private double velocityY;
    057        @SideOnly(Side.CLIENT)
    058        private double velocityZ;
    059
    060        public EntityFishHook(World par1World)
    061        {
    062            super(par1World);
    063            this.xTile = -1;
    064            this.yTile = -1;
    065            this.zTile = -1;
    066            this.inTile = 0;
    067            this.inGround = false;
    068            this.shake = 0;
    069            this.ticksInAir = 0;
    070            this.ticksCatchable = 0;
    071            this.bobber = null;
    072            this.setSize(0.25F, 0.25F);
    073            this.ignoreFrustumCheck = true;
    074        }
    075
    076        @SideOnly(Side.CLIENT)
    077        public EntityFishHook(World par1World, double par2, double par4, double par6, EntityPlayer par8EntityPlayer)
    078        {
    079            this(par1World);
    080            this.setPosition(par2, par4, par6);
    081            this.ignoreFrustumCheck = true;
    082            this.angler = par8EntityPlayer;
    083            par8EntityPlayer.fishEntity = this;
    084        }
    085
    086        public EntityFishHook(World par1World, EntityPlayer par2EntityPlayer)
    087        {
    088            super(par1World);
    089            this.xTile = -1;
    090            this.yTile = -1;
    091            this.zTile = -1;
    092            this.inTile = 0;
    093            this.inGround = false;
    094            this.shake = 0;
    095            this.ticksInAir = 0;
    096            this.ticksCatchable = 0;
    097            this.bobber = null;
    098            this.ignoreFrustumCheck = true;
    099            this.angler = par2EntityPlayer;
    100            this.angler.fishEntity = this;
    101            this.setSize(0.25F, 0.25F);
    102            this.setLocationAndAngles(par2EntityPlayer.posX, par2EntityPlayer.posY + 1.62D - (double)par2EntityPlayer.yOffset, par2EntityPlayer.posZ, par2EntityPlayer.rotationYaw, par2EntityPlayer.rotationPitch);
    103            this.posX -= (double)(MathHelper.cos(this.rotationYaw / 180.0F * (float)Math.PI) * 0.16F);
    104            this.posY -= 0.10000000149011612D;
    105            this.posZ -= (double)(MathHelper.sin(this.rotationYaw / 180.0F * (float)Math.PI) * 0.16F);
    106            this.setPosition(this.posX, this.posY, this.posZ);
    107            this.yOffset = 0.0F;
    108            float var3 = 0.4F;
    109            this.motionX = (double)(-MathHelper.sin(this.rotationYaw / 180.0F * (float)Math.PI) * MathHelper.cos(this.rotationPitch / 180.0F * (float)Math.PI) * var3);
    110            this.motionZ = (double)(MathHelper.cos(this.rotationYaw / 180.0F * (float)Math.PI) * MathHelper.cos(this.rotationPitch / 180.0F * (float)Math.PI) * var3);
    111            this.motionY = (double)(-MathHelper.sin(this.rotationPitch / 180.0F * (float)Math.PI) * var3);
    112            this.calculateVelocity(this.motionX, this.motionY, this.motionZ, 1.5F, 1.0F);
    113        }
    114
    115        protected void entityInit() {}
    116
    117        @SideOnly(Side.CLIENT)
    118
    119        /**
    120         * Checks if the entity is in range to render by using the past in distance and comparing it to its average edge
    121         * length * 64 * renderDistanceWeight Args: distance
    122         */
    123        public boolean isInRangeToRenderDist(double par1)
    124        {
    125            double var3 = this.boundingBox.getAverageEdgeLength() * 4.0D;
    126            var3 *= 64.0D;
    127            return par1 < var3 * var3;
    128        }
    129
    130        public void calculateVelocity(double par1, double par3, double par5, float par7, float par8)
    131        {
    132            float var9 = MathHelper.sqrt_double(par1 * par1 + par3 * par3 + par5 * par5);
    133            par1 /= (double)var9;
    134            par3 /= (double)var9;
    135            par5 /= (double)var9;
    136            par1 += this.rand.nextGaussian() * 0.007499999832361937D * (double)par8;
    137            par3 += this.rand.nextGaussian() * 0.007499999832361937D * (double)par8;
    138            par5 += this.rand.nextGaussian() * 0.007499999832361937D * (double)par8;
    139            par1 *= (double)par7;
    140            par3 *= (double)par7;
    141            par5 *= (double)par7;
    142            this.motionX = par1;
    143            this.motionY = par3;
    144            this.motionZ = par5;
    145            float var10 = MathHelper.sqrt_double(par1 * par1 + par5 * par5);
    146            this.prevRotationYaw = this.rotationYaw = (float)(Math.atan2(par1, par5) * 180.0D / Math.PI);
    147            this.prevRotationPitch = this.rotationPitch = (float)(Math.atan2(par3, (double)var10) * 180.0D / Math.PI);
    148            this.ticksInGround = 0;
    149        }
    150
    151        @SideOnly(Side.CLIENT)
    152
    153        /**
    154         * Sets the position and rotation. Only difference from the other one is no bounding on the rotation. Args: posX,
    155         * posY, posZ, yaw, pitch
    156         */
    157        public void setPositionAndRotation2(double par1, double par3, double par5, float par7, float par8, int par9)
    158        {
    159            this.fishX = par1;
    160            this.fishY = par3;
    161            this.fishZ = par5;
    162            this.fishYaw = (double)par7;
    163            this.fishPitch = (double)par8;
    164            this.fishPosRotationIncrements = par9;
    165            this.motionX = this.velocityX;
    166            this.motionY = this.velocityY;
    167            this.motionZ = this.velocityZ;
    168        }
    169
    170        @SideOnly(Side.CLIENT)
    171
    172        /**
    173         * Sets the velocity to the args. Args: x, y, z
    174         */
    175        public void setVelocity(double par1, double par3, double par5)
    176        {
    177            this.velocityX = this.motionX = par1;
    178            this.velocityY = this.motionY = par3;
    179            this.velocityZ = this.motionZ = par5;
    180        }
    181
    182        /**
    183         * Called to update the entity's position/logic.
    184         */
    185        public void onUpdate()
    186        {
    187            super.onUpdate();
    188
    189            if (this.fishPosRotationIncrements > 0)
    190            {
    191                double var21 = this.posX + (this.fishX - this.posX) / (double)this.fishPosRotationIncrements;
    192                double var22 = this.posY + (this.fishY - this.posY) / (double)this.fishPosRotationIncrements;
    193                double var23 = this.posZ + (this.fishZ - this.posZ) / (double)this.fishPosRotationIncrements;
    194                double var7 = MathHelper.wrapAngleTo180_double(this.fishYaw - (double)this.rotationYaw);
    195                this.rotationYaw = (float)((double)this.rotationYaw + var7 / (double)this.fishPosRotationIncrements);
    196                this.rotationPitch = (float)((double)this.rotationPitch + (this.fishPitch - (double)this.rotationPitch) / (double)this.fishPosRotationIncrements);
    197                --this.fishPosRotationIncrements;
    198                this.setPosition(var21, var22, var23);
    199                this.setRotation(this.rotationYaw, this.rotationPitch);
    200            }
    201            else
    202            {
    203                if (!this.worldObj.isRemote)
    204                {
    205                    ItemStack var1 = this.angler.getCurrentEquippedItem();
    206
    207                    if (this.angler.isDead || !this.angler.isEntityAlive() || var1 == null || var1.getItem() != Item.fishingRod || this.getDistanceSqToEntity(this.angler) > 1024.0D)
    208                    {
    209                        this.setDead();
    210                        this.angler.fishEntity = null;
    211                        return;
    212                    }
    213
    214                    if (this.bobber != null)
    215                    {
    216                        if (!this.bobber.isDead)
    217                        {
    218                            this.posX = this.bobber.posX;
    219                            this.posY = this.bobber.boundingBox.minY + (double)this.bobber.height * 0.8D;
    220                            this.posZ = this.bobber.posZ;
    221                            return;
    222                        }
    223
    224                        this.bobber = null;
    225                    }
    226                }
    227
    228                if (this.shake > 0)
    229                {
    230                    --this.shake;
    231                }
    232
    233                if (this.inGround)
    234                {
    235                    int var19 = this.worldObj.getBlockId(this.xTile, this.yTile, this.zTile);
    236
    237                    if (var19 == this.inTile)
    238                    {
    239                        ++this.ticksInGround;
    240
    241                        if (this.ticksInGround == 1200)
    242                        {
    243                            this.setDead();
    244                        }
    245
    246                        return;
    247                    }
    248
    249                    this.inGround = false;
    250                    this.motionX *= (double)(this.rand.nextFloat() * 0.2F);
    251                    this.motionY *= (double)(this.rand.nextFloat() * 0.2F);
    252                    this.motionZ *= (double)(this.rand.nextFloat() * 0.2F);
    253                    this.ticksInGround = 0;
    254                    this.ticksInAir = 0;
    255                }
    256                else
    257                {
    258                    ++this.ticksInAir;
    259                }
    260
    261                Vec3 var20 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX, this.posY, this.posZ);
    262                Vec3 var2 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);
    263                MovingObjectPosition var3 = this.worldObj.rayTraceBlocks(var20, var2);
    264                var20 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX, this.posY, this.posZ);
    265                var2 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);
    266
    267                if (var3 != null)
    268                {
    269                    var2 = this.worldObj.getWorldVec3Pool().getVecFromPool(var3.hitVec.xCoord, var3.hitVec.yCoord, var3.hitVec.zCoord);
    270                }
    271
    272                Entity var4 = null;
    273                List var5 = this.worldObj.getEntitiesWithinAABBExcludingEntity(this, this.boundingBox.addCoord(this.motionX, this.motionY, this.motionZ).expand(1.0D, 1.0D, 1.0D));
    274                double var6 = 0.0D;
    275                double var13;
    276
    277                for (int var8 = 0; var8 < var5.size(); ++var8)
    278                {
    279                    Entity var9 = (Entity)var5.get(var8);
    280
    281                    if (var9.canBeCollidedWith() && (var9 != this.angler || this.ticksInAir >= 5))
    282                    {
    283                        float var10 = 0.3F;
    284                        AxisAlignedBB var11 = var9.boundingBox.expand((double)var10, (double)var10, (double)var10);
    285                        MovingObjectPosition var12 = var11.calculateIntercept(var20, var2);
    286
    287                        if (var12 != null)
    288                        {
    289                            var13 = var20.distanceTo(var12.hitVec);
    290
    291                            if (var13 < var6 || var6 == 0.0D)
    292                            {
    293                                var4 = var9;
    294                                var6 = var13;
    295                            }
    296                        }
    297                    }
    298                }
    299
    300                if (var4 != null)
    301                {
    302                    var3 = new MovingObjectPosition(var4);
    303                }
    304
    305                if (var3 != null)
    306                {
    307                    if (var3.entityHit != null)
    308                    {
    309                        if (var3.entityHit.attackEntityFrom(DamageSource.causeThrownDamage(this, this.angler), 0))
    310                        {
    311                            this.bobber = var3.entityHit;
    312                        }
    313                    }
    314                    else
    315                    {
    316                        this.inGround = true;
    317                    }
    318                }
    319
    320                if (!this.inGround)
    321                {
    322                    this.moveEntity(this.motionX, this.motionY, this.motionZ);
    323                    float var24 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ);
    324                    this.rotationYaw = (float)(Math.atan2(this.motionX, this.motionZ) * 180.0D / Math.PI);
    325
    326                    for (this.rotationPitch = (float)(Math.atan2(this.motionY, (double)var24) * 180.0D / Math.PI); this.rotationPitch - this.prevRotationPitch < -180.0F; this.prevRotationPitch -= 360.0F)
    327                    {
    328                        ;
    329                    }
    330
    331                    while (this.rotationPitch - this.prevRotationPitch >= 180.0F)
    332                    {
    333                        this.prevRotationPitch += 360.0F;
    334                    }
    335
    336                    while (this.rotationYaw - this.prevRotationYaw < -180.0F)
    337                    {
    338                        this.prevRotationYaw -= 360.0F;
    339                    }
    340
    341                    while (this.rotationYaw - this.prevRotationYaw >= 180.0F)
    342                    {
    343                        this.prevRotationYaw += 360.0F;
    344                    }
    345
    346                    this.rotationPitch = this.prevRotationPitch + (this.rotationPitch - this.prevRotationPitch) * 0.2F;
    347                    this.rotationYaw = this.prevRotationYaw + (this.rotationYaw - this.prevRotationYaw) * 0.2F;
    348                    float var25 = 0.92F;
    349
    350                    if (this.onGround || this.isCollidedHorizontally)
    351                    {
    352                        var25 = 0.5F;
    353                    }
    354
    355                    byte var27 = 5;
    356                    double var26 = 0.0D;
    357
    358                    for (int var29 = 0; var29 < var27; ++var29)
    359                    {
    360                        double var14 = this.boundingBox.minY + (this.boundingBox.maxY - this.boundingBox.minY) * (double)(var29 + 0) / (double)var27 - 0.125D + 0.125D;
    361                        double var16 = this.boundingBox.minY + (this.boundingBox.maxY - this.boundingBox.minY) * (double)(var29 + 1) / (double)var27 - 0.125D + 0.125D;
    362                        AxisAlignedBB var18 = AxisAlignedBB.getAABBPool().addOrModifyAABBInPool(this.boundingBox.minX, var14, this.boundingBox.minZ, this.boundingBox.maxX, var16, this.boundingBox.maxZ);
    363
    364                        if (this.worldObj.isAABBInMaterial(var18, Material.water))
    365                        {
    366                            var26 += 1.0D / (double)var27;
    367                        }
    368                    }
    369
    370                    if (var26 > 0.0D)
    371                    {
    372                        if (this.ticksCatchable > 0)
    373                        {
    374                            --this.ticksCatchable;
    375                        }
    376                        else
    377                        {
    378                            short var28 = 500;
    379
    380                            if (this.worldObj.canLightningStrikeAt(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.posY) + 1, MathHelper.floor_double(this.posZ)))
    381                            {
    382                                var28 = 300;
    383                            }
    384
    385                            if (this.rand.nextInt(var28) == 0)
    386                            {
    387                                this.ticksCatchable = this.rand.nextInt(30) + 10;
    388                                this.motionY -= 0.20000000298023224D;
    389                                this.func_85030_a("random.splash", 0.25F, 1.0F + (this.rand.nextFloat() - this.rand.nextFloat()) * 0.4F);
    390                                float var30 = (float)MathHelper.floor_double(this.boundingBox.minY);
    391                                int var15;
    392                                float var17;
    393                                float var31;
    394
    395                                for (var15 = 0; (float)var15 < 1.0F + this.width * 20.0F; ++var15)
    396                                {
    397                                    var31 = (this.rand.nextFloat() * 2.0F - 1.0F) * this.width;
    398                                    var17 = (this.rand.nextFloat() * 2.0F - 1.0F) * this.width;
    399                                    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);
    400                                }
    401
    402                                for (var15 = 0; (float)var15 < 1.0F + this.width * 20.0F; ++var15)
    403                                {
    404                                    var31 = (this.rand.nextFloat() * 2.0F - 1.0F) * this.width;
    405                                    var17 = (this.rand.nextFloat() * 2.0F - 1.0F) * this.width;
    406                                    this.worldObj.spawnParticle("splash", this.posX + (double)var31, (double)(var30 + 1.0F), this.posZ + (double)var17, this.motionX, this.motionY, this.motionZ);
    407                                }
    408                            }
    409                        }
    410                    }
    411
    412                    if (this.ticksCatchable > 0)
    413                    {
    414                        this.motionY -= (double)(this.rand.nextFloat() * this.rand.nextFloat() * this.rand.nextFloat()) * 0.2D;
    415                    }
    416
    417                    var13 = var26 * 2.0D - 1.0D;
    418                    this.motionY += 0.03999999910593033D * var13;
    419
    420                    if (var26 > 0.0D)
    421                    {
    422                        var25 = (float)((double)var25 * 0.9D);
    423                        this.motionY *= 0.8D;
    424                    }
    425
    426                    this.motionX *= (double)var25;
    427                    this.motionY *= (double)var25;
    428                    this.motionZ *= (double)var25;
    429                    this.setPosition(this.posX, this.posY, this.posZ);
    430                }
    431            }
    432        }
    433
    434        /**
    435         * (abstract) Protected helper method to write subclass entity data to NBT.
    436         */
    437        public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound)
    438        {
    439            par1NBTTagCompound.setShort("xTile", (short)this.xTile);
    440            par1NBTTagCompound.setShort("yTile", (short)this.yTile);
    441            par1NBTTagCompound.setShort("zTile", (short)this.zTile);
    442            par1NBTTagCompound.setByte("inTile", (byte)this.inTile);
    443            par1NBTTagCompound.setByte("shake", (byte)this.shake);
    444            par1NBTTagCompound.setByte("inGround", (byte)(this.inGround ? 1 : 0));
    445        }
    446
    447        /**
    448         * (abstract) Protected helper method to read subclass entity data from NBT.
    449         */
    450        public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound)
    451        {
    452            this.xTile = par1NBTTagCompound.getShort("xTile");
    453            this.yTile = par1NBTTagCompound.getShort("yTile");
    454            this.zTile = par1NBTTagCompound.getShort("zTile");
    455            this.inTile = par1NBTTagCompound.getByte("inTile") & 255;
    456            this.shake = par1NBTTagCompound.getByte("shake") & 255;
    457            this.inGround = par1NBTTagCompound.getByte("inGround") == 1;
    458        }
    459
    460        @SideOnly(Side.CLIENT)
    461        public float getShadowSize()
    462        {
    463            return 0.0F;
    464        }
    465
    466        public int catchFish()
    467        {
    468            if (this.worldObj.isRemote)
    469            {
    470                return 0;
    471            }
    472            else
    473            {
    474                byte var1 = 0;
    475
    476                if (this.bobber != null)
    477                {
    478                    double var2 = this.angler.posX - this.posX;
    479                    double var4 = this.angler.posY - this.posY;
    480                    double var6 = this.angler.posZ - this.posZ;
    481                    double var8 = (double)MathHelper.sqrt_double(var2 * var2 + var4 * var4 + var6 * var6);
    482                    double var10 = 0.1D;
    483                    this.bobber.motionX += var2 * var10;
    484                    this.bobber.motionY += var4 * var10 + (double)MathHelper.sqrt_double(var8) * 0.08D;
    485                    this.bobber.motionZ += var6 * var10;
    486                    var1 = 3;
    487                }
    488                else if (this.ticksCatchable > 0)
    489                {
    490                    EntityItem var13 = new EntityItem(this.worldObj, this.posX, this.posY, this.posZ, new ItemStack(Item.fishRaw));
    491                    double var3 = this.angler.posX - this.posX;
    492                    double var5 = this.angler.posY - this.posY;
    493                    double var7 = this.angler.posZ - this.posZ;
    494                    double var9 = (double)MathHelper.sqrt_double(var3 * var3 + var5 * var5 + var7 * var7);
    495                    double var11 = 0.1D;
    496                    var13.motionX = var3 * var11;
    497                    var13.motionY = var5 * var11 + (double)MathHelper.sqrt_double(var9) * 0.08D;
    498                    var13.motionZ = var7 * var11;
    499                    this.worldObj.spawnEntityInWorld(var13);
    500                    this.angler.addStat(StatList.fishCaughtStat, 1);
    501                    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));
    502                    var1 = 1;
    503                }
    504
    505                if (this.inGround)
    506                {
    507                    var1 = 2;
    508                }
    509
    510                this.setDead();
    511                this.angler.fishEntity = null;
    512                return var1;
    513            }
    514        }
    515
    516        /**
    517         * Will get destroyed next tick.
    518         */
    519        public void setDead()
    520        {
    521            super.setDead();
    522
    523            if (this.angler != null)
    524            {
    525                this.angler.fishEntity = null;
    526            }
    527        }
    528    }