001    package net.minecraft.src;
002    
003    public class EntitySilverfish extends EntityMob
004    {
005        /**
006         * A cooldown before this entity will search for another Silverfish to join them in battle.
007         */
008        private int allySummonCooldown;
009    
010        public EntitySilverfish(World par1World)
011        {
012            super(par1World);
013            this.texture = "/mob/silverfish.png";
014            this.setSize(0.3F, 0.7F);
015            this.moveSpeed = 0.6F;
016        }
017    
018        public int getMaxHealth()
019        {
020            return 8;
021        }
022    
023        /**
024         * returns if this entity triggers Block.onEntityWalking on the blocks they walk on. used for spiders and wolves to
025         * prevent them from trampling crops
026         */
027        protected boolean canTriggerWalking()
028        {
029            return false;
030        }
031    
032        /**
033         * Finds the closest player within 16 blocks to attack, or null if this Entity isn't interested in attacking
034         * (Animals, Spiders at day, peaceful PigZombies).
035         */
036        protected Entity findPlayerToAttack()
037        {
038            double var1 = 8.0D;
039            return this.worldObj.getClosestVulnerablePlayerToEntity(this, var1);
040        }
041    
042        /**
043         * Returns the sound this mob makes while it's alive.
044         */
045        protected String getLivingSound()
046        {
047            return "mob.silverfish.say";
048        }
049    
050        /**
051         * Returns the sound this mob makes when it is hurt.
052         */
053        protected String getHurtSound()
054        {
055            return "mob.silverfish.hit";
056        }
057    
058        /**
059         * Returns the sound this mob makes on death.
060         */
061        protected String getDeathSound()
062        {
063            return "mob.silverfish.kill";
064        }
065    
066        /**
067         * Called when the entity is attacked.
068         */
069        public boolean attackEntityFrom(DamageSource par1DamageSource, int par2)
070        {
071            if (this.allySummonCooldown <= 0 && (par1DamageSource instanceof EntityDamageSource || par1DamageSource == DamageSource.magic))
072            {
073                this.allySummonCooldown = 20;
074            }
075    
076            return super.attackEntityFrom(par1DamageSource, par2);
077        }
078    
079        /**
080         * Basic mob attack. Default to touch of death in EntityCreature. Overridden by each mob to define their attack.
081         */
082        protected void attackEntity(Entity par1Entity, float par2)
083        {
084            if (this.attackTime <= 0 && par2 < 1.2F && par1Entity.boundingBox.maxY > this.boundingBox.minY && par1Entity.boundingBox.minY < this.boundingBox.maxY)
085            {
086                this.attackTime = 20;
087                par1Entity.attackEntityFrom(DamageSource.causeMobDamage(this), this.getAttackStrength(par1Entity));
088            }
089        }
090    
091        /**
092         * Plays step sound at given x, y, z for the entity
093         */
094        protected void playStepSound(int par1, int par2, int par3, int par4)
095        {
096            this.worldObj.playSoundAtEntity(this, "mob.silverfish.step", 0.15F, 1.0F);
097        }
098    
099        /**
100         * Returns the item ID for the item the mob drops on death.
101         */
102        protected int getDropItemId()
103        {
104            return 0;
105        }
106    
107        /**
108         * Called to update the entity's position/logic.
109         */
110        public void onUpdate()
111        {
112            this.renderYawOffset = this.rotationYaw;
113            super.onUpdate();
114        }
115    
116        protected void updateEntityActionState()
117        {
118            super.updateEntityActionState();
119    
120            if (!this.worldObj.isRemote)
121            {
122                int var1;
123                int var2;
124                int var3;
125                int var5;
126    
127                if (this.allySummonCooldown > 0)
128                {
129                    --this.allySummonCooldown;
130    
131                    if (this.allySummonCooldown == 0)
132                    {
133                        var1 = MathHelper.floor_double(this.posX);
134                        var2 = MathHelper.floor_double(this.posY);
135                        var3 = MathHelper.floor_double(this.posZ);
136                        boolean var4 = false;
137    
138                        for (var5 = 0; !var4 && var5 <= 5 && var5 >= -5; var5 = var5 <= 0 ? 1 - var5 : 0 - var5)
139                        {
140                            for (int var6 = 0; !var4 && var6 <= 10 && var6 >= -10; var6 = var6 <= 0 ? 1 - var6 : 0 - var6)
141                            {
142                                for (int var7 = 0; !var4 && var7 <= 10 && var7 >= -10; var7 = var7 <= 0 ? 1 - var7 : 0 - var7)
143                                {
144                                    int var8 = this.worldObj.getBlockId(var1 + var6, var2 + var5, var3 + var7);
145    
146                                    if (var8 == Block.silverfish.blockID)
147                                    {
148                                        this.worldObj.playAuxSFX(2001, var1 + var6, var2 + var5, var3 + var7, Block.silverfish.blockID + (this.worldObj.getBlockMetadata(var1 + var6, var2 + var5, var3 + var7) << 12));
149                                        this.worldObj.setBlockWithNotify(var1 + var6, var2 + var5, var3 + var7, 0);
150                                        Block.silverfish.onBlockDestroyedByPlayer(this.worldObj, var1 + var6, var2 + var5, var3 + var7, 0);
151    
152                                        if (this.rand.nextBoolean())
153                                        {
154                                            var4 = true;
155                                            break;
156                                        }
157                                    }
158                                }
159                            }
160                        }
161                    }
162                }
163    
164                if (this.entityToAttack == null && !this.hasPath())
165                {
166                    var1 = MathHelper.floor_double(this.posX);
167                    var2 = MathHelper.floor_double(this.posY + 0.5D);
168                    var3 = MathHelper.floor_double(this.posZ);
169                    int var9 = this.rand.nextInt(6);
170                    var5 = this.worldObj.getBlockId(var1 + Facing.offsetsXForSide[var9], var2 + Facing.offsetsYForSide[var9], var3 + Facing.offsetsZForSide[var9]);
171    
172                    if (BlockSilverfish.getPosingIdByMetadata(var5))
173                    {
174                        this.worldObj.setBlockAndMetadataWithNotify(var1 + Facing.offsetsXForSide[var9], var2 + Facing.offsetsYForSide[var9], var3 + Facing.offsetsZForSide[var9], Block.silverfish.blockID, BlockSilverfish.getMetadataForBlockType(var5));
175                        this.spawnExplosionParticle();
176                        this.setDead();
177                    }
178                    else
179                    {
180                        this.updateWanderPath();
181                    }
182                }
183                else if (this.entityToAttack != null && !this.hasPath())
184                {
185                    this.entityToAttack = null;
186                }
187            }
188        }
189    
190        /**
191         * Takes a coordinate in and returns a weight to determine how likely this creature will try to path to the block.
192         * Args: x, y, z
193         */
194        public float getBlockPathWeight(int par1, int par2, int par3)
195        {
196            return this.worldObj.getBlockId(par1, par2 - 1, par3) == Block.stone.blockID ? 10.0F : super.getBlockPathWeight(par1, par2, par3);
197        }
198    
199        /**
200         * Checks to make sure the light is not too bright where the mob is spawning
201         */
202        protected boolean isValidLightLevel()
203        {
204            return true;
205        }
206    
207        /**
208         * Checks if the entity's current position is a valid location to spawn this entity.
209         */
210        public boolean getCanSpawnHere()
211        {
212            if (super.getCanSpawnHere())
213            {
214                EntityPlayer var1 = this.worldObj.getClosestPlayerToEntity(this, 5.0D);
215                return var1 == null;
216            }
217            else
218            {
219                return false;
220            }
221        }
222    
223        /**
224         * Returns the amount of damage a mob should deal.
225         */
226        public int getAttackStrength(Entity par1Entity)
227        {
228            return 1;
229        }
230    
231        /**
232         * Get this Entity's EnumCreatureAttribute
233         */
234        public EnumCreatureAttribute getCreatureAttribute()
235        {
236            return EnumCreatureAttribute.ARTHROPOD;
237        }
238    }