001package net.minecraft.entity.passive;
002
003import net.minecraft.block.material.Material;
004import net.minecraft.item.Item;
005import net.minecraft.item.ItemStack;
006import net.minecraft.util.MathHelper;
007import net.minecraft.world.World;
008
009public class EntitySquid extends EntityWaterMob
010{
011    public float field_70861_d = 0.0F;
012    public float field_70862_e = 0.0F;
013    public float field_70859_f = 0.0F;
014    public float field_70860_g = 0.0F;
015    public float field_70867_h = 0.0F;
016    public float field_70868_i = 0.0F;
017
018    /** angle of the tentacles in radians */
019    public float tentacleAngle = 0.0F;
020
021    /** the last calculated angle of the tentacles in radians */
022    public float lastTentacleAngle = 0.0F;
023    private float randomMotionSpeed = 0.0F;
024    private float field_70864_bA = 0.0F;
025    private float field_70871_bB = 0.0F;
026    private float randomMotionVecX = 0.0F;
027    private float randomMotionVecY = 0.0F;
028    private float randomMotionVecZ = 0.0F;
029
030    public EntitySquid(World par1World)
031    {
032        super(par1World);
033        this.texture = "/mob/squid.png";
034        this.setSize(0.95F, 0.95F);
035        this.field_70864_bA = 1.0F / (this.rand.nextFloat() + 1.0F) * 0.2F;
036    }
037
038    public int getMaxHealth()
039    {
040        return 10;
041    }
042
043    /**
044     * Returns the sound this mob makes while it's alive.
045     */
046    protected String getLivingSound()
047    {
048        return null;
049    }
050
051    /**
052     * Returns the sound this mob makes when it is hurt.
053     */
054    protected String getHurtSound()
055    {
056        return null;
057    }
058
059    /**
060     * Returns the sound this mob makes on death.
061     */
062    protected String getDeathSound()
063    {
064        return null;
065    }
066
067    /**
068     * Returns the volume for the sounds this mob makes.
069     */
070    protected float getSoundVolume()
071    {
072        return 0.4F;
073    }
074
075    /**
076     * Returns the item ID for the item the mob drops on death.
077     */
078    protected int getDropItemId()
079    {
080        return 0;
081    }
082
083    /**
084     * Drop 0-2 items of this living's type. @param par1 - Whether this entity has recently been hit by a player. @param
085     * par2 - Level of Looting used to kill this mob.
086     */
087    protected void dropFewItems(boolean par1, int par2)
088    {
089        int j = this.rand.nextInt(3 + par2) + 1;
090
091        for (int k = 0; k < j; ++k)
092        {
093            this.entityDropItem(new ItemStack(Item.dyePowder, 1, 0), 0.0F);
094        }
095    }
096
097    /**
098     * Checks if this entity is inside water (if inWater field is true as a result of handleWaterMovement() returning
099     * true)
100     */
101    public boolean isInWater()
102    {
103        return this.worldObj.handleMaterialAcceleration(this.boundingBox.expand(0.0D, -0.6000000238418579D, 0.0D), Material.water, this);
104    }
105
106    /**
107     * Called frequently so the entity can update its state every tick as required. For example, zombies and skeletons
108     * use this to react to sunlight and start to burn.
109     */
110    public void onLivingUpdate()
111    {
112        super.onLivingUpdate();
113        this.field_70862_e = this.field_70861_d;
114        this.field_70860_g = this.field_70859_f;
115        this.field_70868_i = this.field_70867_h;
116        this.lastTentacleAngle = this.tentacleAngle;
117        this.field_70867_h += this.field_70864_bA;
118
119        if (this.field_70867_h > ((float)Math.PI * 2F))
120        {
121            this.field_70867_h -= ((float)Math.PI * 2F);
122
123            if (this.rand.nextInt(10) == 0)
124            {
125                this.field_70864_bA = 1.0F / (this.rand.nextFloat() + 1.0F) * 0.2F;
126            }
127        }
128
129        if (this.isInWater())
130        {
131            float f;
132
133            if (this.field_70867_h < (float)Math.PI)
134            {
135                f = this.field_70867_h / (float)Math.PI;
136                this.tentacleAngle = MathHelper.sin(f * f * (float)Math.PI) * (float)Math.PI * 0.25F;
137
138                if ((double)f > 0.75D)
139                {
140                    this.randomMotionSpeed = 1.0F;
141                    this.field_70871_bB = 1.0F;
142                }
143                else
144                {
145                    this.field_70871_bB *= 0.8F;
146                }
147            }
148            else
149            {
150                this.tentacleAngle = 0.0F;
151                this.randomMotionSpeed *= 0.9F;
152                this.field_70871_bB *= 0.99F;
153            }
154
155            if (!this.worldObj.isRemote)
156            {
157                this.motionX = (double)(this.randomMotionVecX * this.randomMotionSpeed);
158                this.motionY = (double)(this.randomMotionVecY * this.randomMotionSpeed);
159                this.motionZ = (double)(this.randomMotionVecZ * this.randomMotionSpeed);
160            }
161
162            f = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ);
163            this.renderYawOffset += (-((float)Math.atan2(this.motionX, this.motionZ)) * 180.0F / (float)Math.PI - this.renderYawOffset) * 0.1F;
164            this.rotationYaw = this.renderYawOffset;
165            this.field_70859_f += (float)Math.PI * this.field_70871_bB * 1.5F;
166            this.field_70861_d += (-((float)Math.atan2((double)f, this.motionY)) * 180.0F / (float)Math.PI - this.field_70861_d) * 0.1F;
167        }
168        else
169        {
170            this.tentacleAngle = MathHelper.abs(MathHelper.sin(this.field_70867_h)) * (float)Math.PI * 0.25F;
171
172            if (!this.worldObj.isRemote)
173            {
174                this.motionX = 0.0D;
175                this.motionY -= 0.08D;
176                this.motionY *= 0.9800000190734863D;
177                this.motionZ = 0.0D;
178            }
179
180            this.field_70861_d = (float)((double)this.field_70861_d + (double)(-90.0F - this.field_70861_d) * 0.02D);
181        }
182    }
183
184    /**
185     * Moves the entity based on the specified heading.  Args: strafe, forward
186     */
187    public void moveEntityWithHeading(float par1, float par2)
188    {
189        this.moveEntity(this.motionX, this.motionY, this.motionZ);
190    }
191
192    protected void updateEntityActionState()
193    {
194        ++this.entityAge;
195
196        if (this.entityAge > 100)
197        {
198            this.randomMotionVecX = this.randomMotionVecY = this.randomMotionVecZ = 0.0F;
199        }
200        else if (this.rand.nextInt(50) == 0 || !this.inWater || this.randomMotionVecX == 0.0F && this.randomMotionVecY == 0.0F && this.randomMotionVecZ == 0.0F)
201        {
202            float f = this.rand.nextFloat() * (float)Math.PI * 2.0F;
203            this.randomMotionVecX = MathHelper.cos(f) * 0.2F;
204            this.randomMotionVecY = -0.1F + this.rand.nextFloat() * 0.2F;
205            this.randomMotionVecZ = MathHelper.sin(f) * 0.2F;
206        }
207
208        this.despawnEntity();
209    }
210
211    /**
212     * Checks if the entity's current position is a valid location to spawn this entity.
213     */
214    public boolean getCanSpawnHere()
215    {
216        return this.posY > 45.0D && this.posY < 63.0D && super.getCanSpawnHere();
217    }
218}