001 package net.minecraft.entity.passive;
002
003 import net.minecraft.block.material.Material;
004 import net.minecraft.item.Item;
005 import net.minecraft.item.ItemStack;
006 import net.minecraft.util.MathHelper;
007 import net.minecraft.world.World;
008
009 public 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
085 */
086 protected void dropFewItems(boolean par1, int par2)
087 {
088 int var3 = this.rand.nextInt(3 + par2) + 1;
089
090 for (int var4 = 0; var4 < var3; ++var4)
091 {
092 this.entityDropItem(new ItemStack(Item.dyePowder, 1, 0), 0.0F);
093 }
094 }
095
096 /**
097 * Checks if this entity is inside water (if inWater field is true as a result of handleWaterMovement() returning
098 * true)
099 */
100 public boolean isInWater()
101 {
102 return this.worldObj.handleMaterialAcceleration(this.boundingBox.expand(0.0D, -0.6000000238418579D, 0.0D), Material.water, this);
103 }
104
105 /**
106 * Called frequently so the entity can update its state every tick as required. For example, zombies and skeletons
107 * use this to react to sunlight and start to burn.
108 */
109 public void onLivingUpdate()
110 {
111 super.onLivingUpdate();
112 this.field_70862_e = this.field_70861_d;
113 this.field_70860_g = this.field_70859_f;
114 this.field_70868_i = this.field_70867_h;
115 this.lastTentacleAngle = this.tentacleAngle;
116 this.field_70867_h += this.field_70864_bA;
117
118 if (this.field_70867_h > ((float)Math.PI * 2F))
119 {
120 this.field_70867_h -= ((float)Math.PI * 2F);
121
122 if (this.rand.nextInt(10) == 0)
123 {
124 this.field_70864_bA = 1.0F / (this.rand.nextFloat() + 1.0F) * 0.2F;
125 }
126 }
127
128 if (this.isInWater())
129 {
130 float var1;
131
132 if (this.field_70867_h < (float)Math.PI)
133 {
134 var1 = this.field_70867_h / (float)Math.PI;
135 this.tentacleAngle = MathHelper.sin(var1 * var1 * (float)Math.PI) * (float)Math.PI * 0.25F;
136
137 if ((double)var1 > 0.75D)
138 {
139 this.randomMotionSpeed = 1.0F;
140 this.field_70871_bB = 1.0F;
141 }
142 else
143 {
144 this.field_70871_bB *= 0.8F;
145 }
146 }
147 else
148 {
149 this.tentacleAngle = 0.0F;
150 this.randomMotionSpeed *= 0.9F;
151 this.field_70871_bB *= 0.99F;
152 }
153
154 if (!this.worldObj.isRemote)
155 {
156 this.motionX = (double)(this.randomMotionVecX * this.randomMotionSpeed);
157 this.motionY = (double)(this.randomMotionVecY * this.randomMotionSpeed);
158 this.motionZ = (double)(this.randomMotionVecZ * this.randomMotionSpeed);
159 }
160
161 var1 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ);
162 this.renderYawOffset += (-((float)Math.atan2(this.motionX, this.motionZ)) * 180.0F / (float)Math.PI - this.renderYawOffset) * 0.1F;
163 this.rotationYaw = this.renderYawOffset;
164 this.field_70859_f += (float)Math.PI * this.field_70871_bB * 1.5F;
165 this.field_70861_d += (-((float)Math.atan2((double)var1, this.motionY)) * 180.0F / (float)Math.PI - this.field_70861_d) * 0.1F;
166 }
167 else
168 {
169 this.tentacleAngle = MathHelper.abs(MathHelper.sin(this.field_70867_h)) * (float)Math.PI * 0.25F;
170
171 if (!this.worldObj.isRemote)
172 {
173 this.motionX = 0.0D;
174 this.motionY -= 0.08D;
175 this.motionY *= 0.9800000190734863D;
176 this.motionZ = 0.0D;
177 }
178
179 this.field_70861_d = (float)((double)this.field_70861_d + (double)(-90.0F - this.field_70861_d) * 0.02D);
180 }
181 }
182
183 /**
184 * Moves the entity based on the specified heading. Args: strafe, forward
185 */
186 public void moveEntityWithHeading(float par1, float par2)
187 {
188 this.moveEntity(this.motionX, this.motionY, this.motionZ);
189 }
190
191 protected void updateEntityActionState()
192 {
193 ++this.entityAge;
194
195 if (this.entityAge > 100)
196 {
197 this.randomMotionVecX = this.randomMotionVecY = this.randomMotionVecZ = 0.0F;
198 }
199 else if (this.rand.nextInt(50) == 0 || !this.inWater || this.randomMotionVecX == 0.0F && this.randomMotionVecY == 0.0F && this.randomMotionVecZ == 0.0F)
200 {
201 float var1 = this.rand.nextFloat() * (float)Math.PI * 2.0F;
202 this.randomMotionVecX = MathHelper.cos(var1) * 0.2F;
203 this.randomMotionVecY = -0.1F + this.rand.nextFloat() * 0.2F;
204 this.randomMotionVecZ = MathHelper.sin(var1) * 0.2F;
205 }
206
207 this.despawnEntity();
208 }
209
210 /**
211 * Checks if the entity's current position is a valid location to spawn this entity.
212 */
213 public boolean getCanSpawnHere()
214 {
215 return this.posY > 45.0D && this.posY < 63.0D && super.getCanSpawnHere();
216 }
217 }