001 package net.minecraft.src;
002
003 public class EntitySlime extends EntityLiving implements IMob
004 {
005 public float field_70813_a;
006 public float field_70811_b;
007 public float field_70812_c;
008
009 /** the time between each jump of the slime */
010 private int slimeJumpDelay = 0;
011
012 public EntitySlime(World par1World)
013 {
014 super(par1World);
015 this.texture = "/mob/slime.png";
016 int var2 = 1 << this.rand.nextInt(3);
017 this.yOffset = 0.0F;
018 this.slimeJumpDelay = this.rand.nextInt(20) + 10;
019 this.setSlimeSize(var2);
020 }
021
022 protected void entityInit()
023 {
024 super.entityInit();
025 this.dataWatcher.addObject(16, new Byte((byte)1));
026 }
027
028 public void setSlimeSize(int par1)
029 {
030 this.dataWatcher.updateObject(16, new Byte((byte)par1));
031 this.setSize(0.6F * (float)par1, 0.6F * (float)par1);
032 this.setPosition(this.posX, this.posY, this.posZ);
033 this.setEntityHealth(this.getMaxHealth());
034 this.experienceValue = par1;
035 }
036
037 public int getMaxHealth()
038 {
039 int var1 = this.getSlimeSize();
040 return var1 * var1;
041 }
042
043 /**
044 * Returns the size of the slime.
045 */
046 public int getSlimeSize()
047 {
048 return this.dataWatcher.getWatchableObjectByte(16);
049 }
050
051 /**
052 * (abstract) Protected helper method to write subclass entity data to NBT.
053 */
054 public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound)
055 {
056 super.writeEntityToNBT(par1NBTTagCompound);
057 par1NBTTagCompound.setInteger("Size", this.getSlimeSize() - 1);
058 }
059
060 /**
061 * (abstract) Protected helper method to read subclass entity data from NBT.
062 */
063 public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound)
064 {
065 super.readEntityFromNBT(par1NBTTagCompound);
066 this.setSlimeSize(par1NBTTagCompound.getInteger("Size") + 1);
067 }
068
069 /**
070 * Returns the name of a particle effect that may be randomly created by EntitySlime.onUpdate()
071 */
072 protected String getSlimeParticle()
073 {
074 return "slime";
075 }
076
077 /**
078 * Returns the name of the sound played when the slime jumps.
079 */
080 protected String getJumpSound()
081 {
082 return "mob.slime";
083 }
084
085 /**
086 * Called to update the entity's position/logic.
087 */
088 public void onUpdate()
089 {
090 if (!this.worldObj.isRemote && this.worldObj.difficultySetting == 0 && this.getSlimeSize() > 0)
091 {
092 this.isDead = true;
093 }
094
095 this.field_70811_b += (this.field_70813_a - this.field_70811_b) * 0.5F;
096 this.field_70812_c = this.field_70811_b;
097 boolean var1 = this.onGround;
098 super.onUpdate();
099
100 if (this.onGround && !var1)
101 {
102 int var2 = this.getSlimeSize();
103
104 for (int var3 = 0; var3 < var2 * 8; ++var3)
105 {
106 float var4 = this.rand.nextFloat() * (float)Math.PI * 2.0F;
107 float var5 = this.rand.nextFloat() * 0.5F + 0.5F;
108 float var6 = MathHelper.sin(var4) * (float)var2 * 0.5F * var5;
109 float var7 = MathHelper.cos(var4) * (float)var2 * 0.5F * var5;
110 this.worldObj.spawnParticle(this.getSlimeParticle(), this.posX + (double)var6, this.boundingBox.minY, this.posZ + (double)var7, 0.0D, 0.0D, 0.0D);
111 }
112
113 if (this.makesSoundOnLand())
114 {
115 this.worldObj.playSoundAtEntity(this, this.getJumpSound(), this.getSoundVolume(), ((this.rand.nextFloat() - this.rand.nextFloat()) * 0.2F + 1.0F) / 0.8F);
116 }
117
118 this.field_70813_a = -0.5F;
119 }
120 else if (!this.onGround && var1)
121 {
122 this.field_70813_a = 1.0F;
123 }
124
125 this.func_70808_l();
126 }
127
128 protected void updateEntityActionState()
129 {
130 this.despawnEntity();
131 EntityPlayer var1 = this.worldObj.getClosestVulnerablePlayerToEntity(this, 16.0D);
132
133 if (var1 != null)
134 {
135 this.faceEntity(var1, 10.0F, 20.0F);
136 }
137
138 if (this.onGround && this.slimeJumpDelay-- <= 0)
139 {
140 this.slimeJumpDelay = this.getJumpDelay();
141
142 if (var1 != null)
143 {
144 this.slimeJumpDelay /= 3;
145 }
146
147 this.isJumping = true;
148
149 if (this.makesSoundOnJump())
150 {
151 this.worldObj.playSoundAtEntity(this, this.getJumpSound(), this.getSoundVolume(), ((this.rand.nextFloat() - this.rand.nextFloat()) * 0.2F + 1.0F) * 0.8F);
152 }
153
154 this.moveStrafing = 1.0F - this.rand.nextFloat() * 2.0F;
155 this.moveForward = (float)(1 * this.getSlimeSize());
156 }
157 else
158 {
159 this.isJumping = false;
160
161 if (this.onGround)
162 {
163 this.moveStrafing = this.moveForward = 0.0F;
164 }
165 }
166 }
167
168 protected void func_70808_l()
169 {
170 this.field_70813_a *= 0.6F;
171 }
172
173 /**
174 * Gets the amount of time the slime needs to wait between jumps.
175 */
176 protected int getJumpDelay()
177 {
178 return this.rand.nextInt(20) + 10;
179 }
180
181 protected EntitySlime createInstance()
182 {
183 return new EntitySlime(this.worldObj);
184 }
185
186 /**
187 * Will get destroyed next tick.
188 */
189 public void setDead()
190 {
191 int var1 = this.getSlimeSize();
192
193 if (!this.worldObj.isRemote && var1 > 1 && this.getHealth() <= 0)
194 {
195 int var2 = 2 + this.rand.nextInt(3);
196
197 for (int var3 = 0; var3 < var2; ++var3)
198 {
199 float var4 = ((float)(var3 % 2) - 0.5F) * (float)var1 / 4.0F;
200 float var5 = ((float)(var3 / 2) - 0.5F) * (float)var1 / 4.0F;
201 EntitySlime var6 = this.createInstance();
202 var6.setSlimeSize(var1 / 2);
203 var6.setLocationAndAngles(this.posX + (double)var4, this.posY + 0.5D, this.posZ + (double)var5, this.rand.nextFloat() * 360.0F, 0.0F);
204 this.worldObj.spawnEntityInWorld(var6);
205 }
206 }
207
208 super.setDead();
209 }
210
211 /**
212 * Called by a player entity when they collide with an entity
213 */
214 public void onCollideWithPlayer(EntityPlayer par1EntityPlayer)
215 {
216 if (this.canDamagePlayer())
217 {
218 int var2 = this.getSlimeSize();
219
220 if (this.canEntityBeSeen(par1EntityPlayer) && this.getDistanceSqToEntity(par1EntityPlayer) < 0.6D * (double)var2 * 0.6D * (double)var2 && par1EntityPlayer.attackEntityFrom(DamageSource.causeMobDamage(this), this.getAttackStrength()))
221 {
222 this.worldObj.playSoundAtEntity(this, "mob.slimeattack", 1.0F, (this.rand.nextFloat() - this.rand.nextFloat()) * 0.2F + 1.0F);
223 }
224 }
225 }
226
227 /**
228 * Indicates weather the slime is able to damage the player (based upon the slime's size)
229 */
230 protected boolean canDamagePlayer()
231 {
232 return this.getSlimeSize() > 1;
233 }
234
235 /**
236 * Gets the amount of damage dealt to the player when "attacked" by the slime.
237 */
238 protected int getAttackStrength()
239 {
240 return this.getSlimeSize();
241 }
242
243 /**
244 * Returns the sound this mob makes when it is hurt.
245 */
246 protected String getHurtSound()
247 {
248 return "mob.slime";
249 }
250
251 /**
252 * Returns the sound this mob makes on death.
253 */
254 protected String getDeathSound()
255 {
256 return "mob.slime";
257 }
258
259 /**
260 * Returns the item ID for the item the mob drops on death.
261 */
262 protected int getDropItemId()
263 {
264 return this.getSlimeSize() == 1 ? Item.slimeBall.shiftedIndex : 0;
265 }
266
267 /**
268 * Checks if the entity's current position is a valid location to spawn this entity.
269 */
270 public boolean getCanSpawnHere()
271 {
272 Chunk var1 = this.worldObj.getChunkFromBlockCoords(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.posZ));
273 return this.worldObj.getWorldInfo().getTerrainType().handleSlimeSpawnReduction(rand, worldObj) ? false : ((this.getSlimeSize() == 1 || this.worldObj.difficultySetting > 0) && this.rand.nextInt(10) == 0 && var1.getRandomWithSeed(987234911L).nextInt(10) == 0 && this.posY < 40.0D ? super.getCanSpawnHere() : false);
274 }
275
276 /**
277 * Returns the volume for the sounds this mob makes.
278 */
279 protected float getSoundVolume()
280 {
281 return 0.4F * (float)this.getSlimeSize();
282 }
283
284 /**
285 * The speed it takes to move the entityliving's rotationPitch through the faceEntity method. This is only currently
286 * use in wolves.
287 */
288 public int getVerticalFaceSpeed()
289 {
290 return 0;
291 }
292
293 /**
294 * Returns true if the slime makes a sound when it jumps (based upon the slime's size)
295 */
296 protected boolean makesSoundOnJump()
297 {
298 return this.getSlimeSize() > 1;
299 }
300
301 /**
302 * Returns true if the slime makes a sound when it lands after a jump (based upon the slime's size)
303 */
304 protected boolean makesSoundOnLand()
305 {
306 return this.getSlimeSize() > 2;
307 }
308 }