package net.minecraft.entity.passive; import java.util.Calendar; import net.minecraft.entity.Entity; import net.minecraft.entity.SharedMonsterAttributes; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.util.ChunkCoordinates; import net.minecraft.util.DamageSource; import net.minecraft.util.MathHelper; import net.minecraft.world.World; public class EntityBat extends EntityAmbientCreature { /** Coordinates of where the bat spawned. */ private ChunkCoordinates spawnPosition; private static final String __OBFID = "CL_00001637"; public EntityBat(World p_i1680_1_) { super(p_i1680_1_); this.setSize(0.5F, 0.9F); this.setIsBatHanging(true); } protected void entityInit() { super.entityInit(); this.dataWatcher.addObject(16, new Byte((byte)0)); } /** * Returns the volume for the sounds this mob makes. */ protected float getSoundVolume() { return 0.1F; } /** * Gets the pitch of living sounds in living entities. */ protected float getSoundPitch() { return super.getSoundPitch() * 0.95F; } /** * Returns the sound this mob makes while it's alive. */ protected String getLivingSound() { return this.getIsBatHanging() && this.rand.nextInt(4) != 0 ? null : "mob.bat.idle"; } /** * Returns the sound this mob makes when it is hurt. */ protected String getHurtSound() { return "mob.bat.hurt"; } /** * Returns the sound this mob makes on death. */ protected String getDeathSound() { return "mob.bat.death"; } /** * Returns true if this entity should push and be pushed by other entities when colliding. */ public boolean canBePushed() { return false; } protected void collideWithEntity(Entity p_82167_1_) {} protected void collideWithNearbyEntities() {} protected void applyEntityAttributes() { super.applyEntityAttributes(); this.getEntityAttribute(SharedMonsterAttributes.maxHealth).setBaseValue(6.0D); } public boolean getIsBatHanging() { return (this.dataWatcher.getWatchableObjectByte(16) & 1) != 0; } public void setIsBatHanging(boolean p_82236_1_) { byte b0 = this.dataWatcher.getWatchableObjectByte(16); if (p_82236_1_) { this.dataWatcher.updateObject(16, Byte.valueOf((byte)(b0 | 1))); } else { this.dataWatcher.updateObject(16, Byte.valueOf((byte)(b0 & -2))); } } /** * Returns true if the newer Entity AI code should be run */ protected boolean isAIEnabled() { return true; } /** * Called to update the entity's position/logic. */ public void onUpdate() { super.onUpdate(); if (this.getIsBatHanging()) { this.motionX = this.motionY = this.motionZ = 0.0D; this.posY = (double)MathHelper.floor_double(this.posY) + 1.0D - (double)this.height; } else { this.motionY *= 0.6000000238418579D; } } protected void updateAITasks() { super.updateAITasks(); if (this.getIsBatHanging()) { if (!this.worldObj.getBlock(MathHelper.floor_double(this.posX), (int)this.posY + 1, MathHelper.floor_double(this.posZ)).isNormalCube()) { this.setIsBatHanging(false); this.worldObj.playAuxSFXAtEntity((EntityPlayer)null, 1015, (int)this.posX, (int)this.posY, (int)this.posZ, 0); } else { if (this.rand.nextInt(200) == 0) { this.rotationYawHead = (float)this.rand.nextInt(360); } if (this.worldObj.getClosestPlayerToEntity(this, 4.0D) != null) { this.setIsBatHanging(false); this.worldObj.playAuxSFXAtEntity((EntityPlayer)null, 1015, (int)this.posX, (int)this.posY, (int)this.posZ, 0); } } } else { if (this.spawnPosition != null && (!this.worldObj.isAirBlock(this.spawnPosition.posX, this.spawnPosition.posY, this.spawnPosition.posZ) || this.spawnPosition.posY < 1)) { this.spawnPosition = null; } if (this.spawnPosition == null || this.rand.nextInt(30) == 0 || this.spawnPosition.getDistanceSquared((int)this.posX, (int)this.posY, (int)this.posZ) < 4.0F) { this.spawnPosition = new ChunkCoordinates((int)this.posX + this.rand.nextInt(7) - this.rand.nextInt(7), (int)this.posY + this.rand.nextInt(6) - 2, (int)this.posZ + this.rand.nextInt(7) - this.rand.nextInt(7)); } double d0 = (double)this.spawnPosition.posX + 0.5D - this.posX; double d1 = (double)this.spawnPosition.posY + 0.1D - this.posY; double d2 = (double)this.spawnPosition.posZ + 0.5D - this.posZ; this.motionX += (Math.signum(d0) * 0.5D - this.motionX) * 0.10000000149011612D; this.motionY += (Math.signum(d1) * 0.699999988079071D - this.motionY) * 0.10000000149011612D; this.motionZ += (Math.signum(d2) * 0.5D - this.motionZ) * 0.10000000149011612D; float f = (float)(Math.atan2(this.motionZ, this.motionX) * 180.0D / Math.PI) - 90.0F; float f1 = MathHelper.wrapAngleTo180_float(f - this.rotationYaw); this.moveForward = 0.5F; this.rotationYaw += f1; if (this.rand.nextInt(100) == 0 && this.worldObj.getBlock(MathHelper.floor_double(this.posX), (int)this.posY + 1, MathHelper.floor_double(this.posZ)).isNormalCube()) { this.setIsBatHanging(true); } } } /** * returns if this entity triggers Block.onEntityWalking on the blocks they walk on. used for spiders and wolves to * prevent them from trampling crops */ protected boolean canTriggerWalking() { return false; } /** * Called when the mob is falling. Calculates and applies fall damage. */ protected void fall(float distance) {} /** * Takes in the distance the entity has fallen this tick and whether its on the ground to update the fall distance * and deal fall damage if landing on the ground. */ protected void updateFallState(double distanceFallenThisTick, boolean isOnGround) {} /** * Return whether this entity should NOT trigger a pressure plate or a tripwire. */ public boolean doesEntityNotTriggerPressurePlate() { return true; } /** * Called when the entity is attacked. */ public boolean attackEntityFrom(DamageSource source, float amount) { if (this.isEntityInvulnerable()) { return false; } else { if (!this.worldObj.isRemote && this.getIsBatHanging()) { this.setIsBatHanging(false); } return super.attackEntityFrom(source, amount); } } /** * (abstract) Protected helper method to read subclass entity data from NBT. */ public void readEntityFromNBT(NBTTagCompound tagCompund) { super.readEntityFromNBT(tagCompund); this.dataWatcher.updateObject(16, Byte.valueOf(tagCompund.getByte("BatFlags"))); } /** * (abstract) Protected helper method to write subclass entity data to NBT. */ public void writeEntityToNBT(NBTTagCompound tagCompound) { super.writeEntityToNBT(tagCompound); tagCompound.setByte("BatFlags", this.dataWatcher.getWatchableObjectByte(16)); } /** * Checks if the entity's current position is a valid location to spawn this entity. */ public boolean getCanSpawnHere() { int i = MathHelper.floor_double(this.boundingBox.minY); if (i >= 63) { return false; } else { int j = MathHelper.floor_double(this.posX); int k = MathHelper.floor_double(this.posZ); int l = this.worldObj.getBlockLightValue(j, i, k); byte b0 = 4; Calendar calendar = this.worldObj.getCurrentDate(); if ((calendar.get(2) + 1 != 10 || calendar.get(5) < 20) && (calendar.get(2) + 1 != 11 || calendar.get(5) > 3)) { if (this.rand.nextBoolean()) { return false; } } else { b0 = 7; } return l > this.rand.nextInt(b0) ? false : super.getCanSpawnHere(); } } }