package net.minecraft.entity.item; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; import java.util.List; import net.minecraft.block.Block; import net.minecraft.block.material.Material; import net.minecraft.entity.Entity; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.item.Item; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.util.AxisAlignedBB; import net.minecraft.util.DamageSource; import net.minecraft.util.MathHelper; import net.minecraft.world.World; public class EntityBoat extends Entity { private boolean field_70279_a; private double speedMultiplier; private int boatPosRotationIncrements; private double boatX; private double boatY; private double boatZ; private double boatYaw; private double boatPitch; @SideOnly(Side.CLIENT) private double velocityX; @SideOnly(Side.CLIENT) private double velocityY; @SideOnly(Side.CLIENT) private double velocityZ; public EntityBoat(World par1World) { super(par1World); this.field_70279_a = true; this.speedMultiplier = 0.07D; this.preventEntitySpawning = true; this.setSize(1.5F, 0.6F); this.yOffset = this.height / 2.0F; } /** * 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; } protected void entityInit() { this.dataWatcher.addObject(17, new Integer(0)); this.dataWatcher.addObject(18, new Integer(1)); this.dataWatcher.addObject(19, new Integer(0)); } /** * Returns a boundingBox used to collide the entity with other entities and blocks. This enables the entity to be * pushable on contact, like boats or minecarts. */ public AxisAlignedBB getCollisionBox(Entity par1Entity) { return par1Entity.boundingBox; } /** * returns the bounding box for this entity */ public AxisAlignedBB getBoundingBox() { return this.boundingBox; } /** * Returns true if this entity should push and be pushed by other entities when colliding. */ public boolean canBePushed() { return true; } public EntityBoat(World par1World, double par2, double par4, double par6) { this(par1World); this.setPosition(par2, par4 + (double)this.yOffset, par6); this.motionX = 0.0D; this.motionY = 0.0D; this.motionZ = 0.0D; this.prevPosX = par2; this.prevPosY = par4; this.prevPosZ = par6; } /** * Returns the Y offset from the entity's position for any entity riding this one. */ public double getMountedYOffset() { return (double)this.height * 0.0D - 0.30000001192092896D; } /** * Called when the entity is attacked. */ public boolean attackEntityFrom(DamageSource par1DamageSource, int par2) { if (this.isEntityInvulnerable()) { return false; } else if (!this.worldObj.isRemote && !this.isDead) { this.setForwardDirection(-this.getForwardDirection()); this.setTimeSinceHit(10); this.setDamageTaken(this.getDamageTaken() + par2 * 10); this.setBeenAttacked(); boolean flag = par1DamageSource.getEntity() instanceof EntityPlayer && ((EntityPlayer)par1DamageSource.getEntity()).capabilities.isCreativeMode; if (flag || this.getDamageTaken() > 40) { if (this.riddenByEntity != null) { this.riddenByEntity.mountEntity(this); } if (!flag) { this.dropItemWithOffset(Item.boat.itemID, 1, 0.0F); } this.setDead(); } return true; } else { return true; } } @SideOnly(Side.CLIENT) /** * Setups the entity to do the hurt animation. Only used by packets in multiplayer. */ public void performHurtAnimation() { this.setForwardDirection(-this.getForwardDirection()); this.setTimeSinceHit(10); this.setDamageTaken(this.getDamageTaken() * 11); } /** * Returns true if other Entities should be prevented from moving through this Entity. */ public boolean canBeCollidedWith() { return !this.isDead; } @SideOnly(Side.CLIENT) /** * Sets the position and rotation. Only difference from the other one is no bounding on the rotation. Args: posX, * posY, posZ, yaw, pitch */ public void setPositionAndRotation2(double par1, double par3, double par5, float par7, float par8, int par9) { if (this.field_70279_a) { this.boatPosRotationIncrements = par9 + 5; } else { double d3 = par1 - this.posX; double d4 = par3 - this.posY; double d5 = par5 - this.posZ; double d6 = d3 * d3 + d4 * d4 + d5 * d5; if (d6 <= 1.0D) { return; } this.boatPosRotationIncrements = 3; } this.boatX = par1; this.boatY = par3; this.boatZ = par5; this.boatYaw = (double)par7; this.boatPitch = (double)par8; this.motionX = this.velocityX; this.motionY = this.velocityY; this.motionZ = this.velocityZ; } @SideOnly(Side.CLIENT) /** * Sets the velocity to the args. Args: x, y, z */ public void setVelocity(double par1, double par3, double par5) { this.velocityX = this.motionX = par1; this.velocityY = this.motionY = par3; this.velocityZ = this.motionZ = par5; } /** * Called to update the entity's position/logic. */ public void onUpdate() { super.onUpdate(); if (this.getTimeSinceHit() > 0) { this.setTimeSinceHit(this.getTimeSinceHit() - 1); } if (this.getDamageTaken() > 0) { this.setDamageTaken(this.getDamageTaken() - 1); } this.prevPosX = this.posX; this.prevPosY = this.posY; this.prevPosZ = this.posZ; byte b0 = 5; double d0 = 0.0D; for (int i = 0; i < b0; ++i) { double d1 = this.boundingBox.minY + (this.boundingBox.maxY - this.boundingBox.minY) * (double)(i + 0) / (double)b0 - 0.125D; double d2 = this.boundingBox.minY + (this.boundingBox.maxY - this.boundingBox.minY) * (double)(i + 1) / (double)b0 - 0.125D; AxisAlignedBB axisalignedbb = AxisAlignedBB.getAABBPool().getAABB(this.boundingBox.minX, d1, this.boundingBox.minZ, this.boundingBox.maxX, d2, this.boundingBox.maxZ); if (this.worldObj.isAABBInMaterial(axisalignedbb, Material.water)) { d0 += 1.0D / (double)b0; } } double d3 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ); double d4; double d5; if (d3 > 0.26249999999999996D) { d4 = Math.cos((double)this.rotationYaw * Math.PI / 180.0D); d5 = Math.sin((double)this.rotationYaw * Math.PI / 180.0D); for (int j = 0; (double)j < 1.0D + d3 * 60.0D; ++j) { double d6 = (double)(this.rand.nextFloat() * 2.0F - 1.0F); double d7 = (double)(this.rand.nextInt(2) * 2 - 1) * 0.7D; double d8; double d9; if (this.rand.nextBoolean()) { d8 = this.posX - d4 * d6 * 0.8D + d5 * d7; d9 = this.posZ - d5 * d6 * 0.8D - d4 * d7; this.worldObj.spawnParticle("splash", d8, this.posY - 0.125D, d9, this.motionX, this.motionY, this.motionZ); } else { d8 = this.posX + d4 + d5 * d6 * 0.7D; d9 = this.posZ + d5 - d4 * d6 * 0.7D; this.worldObj.spawnParticle("splash", d8, this.posY - 0.125D, d9, this.motionX, this.motionY, this.motionZ); } } } double d10; double d11; if (this.worldObj.isRemote && this.field_70279_a) { if (this.boatPosRotationIncrements > 0) { d4 = this.posX + (this.boatX - this.posX) / (double)this.boatPosRotationIncrements; d5 = this.posY + (this.boatY - this.posY) / (double)this.boatPosRotationIncrements; d11 = this.posZ + (this.boatZ - this.posZ) / (double)this.boatPosRotationIncrements; d10 = MathHelper.wrapAngleTo180_double(this.boatYaw - (double)this.rotationYaw); this.rotationYaw = (float)((double)this.rotationYaw + d10 / (double)this.boatPosRotationIncrements); this.rotationPitch = (float)((double)this.rotationPitch + (this.boatPitch - (double)this.rotationPitch) / (double)this.boatPosRotationIncrements); --this.boatPosRotationIncrements; this.setPosition(d4, d5, d11); this.setRotation(this.rotationYaw, this.rotationPitch); } else { d4 = this.posX + this.motionX; d5 = this.posY + this.motionY; d11 = this.posZ + this.motionZ; this.setPosition(d4, d5, d11); if (this.onGround) { this.motionX *= 0.5D; this.motionY *= 0.5D; this.motionZ *= 0.5D; } this.motionX *= 0.9900000095367432D; this.motionY *= 0.949999988079071D; this.motionZ *= 0.9900000095367432D; } } else { if (d0 < 1.0D) { d4 = d0 * 2.0D - 1.0D; this.motionY += 0.03999999910593033D * d4; } else { if (this.motionY < 0.0D) { this.motionY /= 2.0D; } this.motionY += 0.007000000216066837D; } if (this.riddenByEntity != null) { this.motionX += this.riddenByEntity.motionX * this.speedMultiplier; this.motionZ += this.riddenByEntity.motionZ * this.speedMultiplier; } d4 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ); if (d4 > 0.35D) { d5 = 0.35D / d4; this.motionX *= d5; this.motionZ *= d5; d4 = 0.35D; } if (d4 > d3 && this.speedMultiplier < 0.35D) { this.speedMultiplier += (0.35D - this.speedMultiplier) / 35.0D; if (this.speedMultiplier > 0.35D) { this.speedMultiplier = 0.35D; } } else { this.speedMultiplier -= (this.speedMultiplier - 0.07D) / 35.0D; if (this.speedMultiplier < 0.07D) { this.speedMultiplier = 0.07D; } } if (this.onGround) { this.motionX *= 0.5D; this.motionY *= 0.5D; this.motionZ *= 0.5D; } this.moveEntity(this.motionX, this.motionY, this.motionZ); if (this.isCollidedHorizontally && d3 > 0.2D) { if (!this.worldObj.isRemote && !this.isDead) { this.setDead(); int k; for (k = 0; k < 3; ++k) { this.dropItemWithOffset(Block.planks.blockID, 1, 0.0F); } for (k = 0; k < 2; ++k) { this.dropItemWithOffset(Item.stick.itemID, 1, 0.0F); } } } else { this.motionX *= 0.9900000095367432D; this.motionY *= 0.949999988079071D; this.motionZ *= 0.9900000095367432D; } this.rotationPitch = 0.0F; d5 = (double)this.rotationYaw; d11 = this.prevPosX - this.posX; d10 = this.prevPosZ - this.posZ; if (d11 * d11 + d10 * d10 > 0.001D) { d5 = (double)((float)(Math.atan2(d10, d11) * 180.0D / Math.PI)); } double d12 = MathHelper.wrapAngleTo180_double(d5 - (double)this.rotationYaw); if (d12 > 20.0D) { d12 = 20.0D; } if (d12 < -20.0D) { d12 = -20.0D; } this.rotationYaw = (float)((double)this.rotationYaw + d12); this.setRotation(this.rotationYaw, this.rotationPitch); if (!this.worldObj.isRemote) { List list = this.worldObj.getEntitiesWithinAABBExcludingEntity(this, this.boundingBox.expand(0.20000000298023224D, 0.0D, 0.20000000298023224D)); int l; if (list != null && !list.isEmpty()) { for (l = 0; l < list.size(); ++l) { Entity entity = (Entity)list.get(l); if (entity != this.riddenByEntity && entity.canBePushed() && entity instanceof EntityBoat) { entity.applyEntityCollision(this); } } } for (l = 0; l < 4; ++l) { int i1 = MathHelper.floor_double(this.posX + ((double)(l % 2) - 0.5D) * 0.8D); int j1 = MathHelper.floor_double(this.posZ + ((double)(l / 2) - 0.5D) * 0.8D); for (int k1 = 0; k1 < 2; ++k1) { int l1 = MathHelper.floor_double(this.posY) + k1; int i2 = this.worldObj.getBlockId(i1, l1, j1); if (i2 == Block.snow.blockID) { this.worldObj.setBlockToAir(i1, l1, j1); } else if (i2 == Block.waterlily.blockID) { this.worldObj.destroyBlock(i1, l1, j1, true); } } } if (this.riddenByEntity != null && this.riddenByEntity.isDead) { this.riddenByEntity = null; } } } } public void updateRiderPosition() { if (this.riddenByEntity != null) { double d0 = Math.cos((double)this.rotationYaw * Math.PI / 180.0D) * 0.4D; double d1 = Math.sin((double)this.rotationYaw * Math.PI / 180.0D) * 0.4D; this.riddenByEntity.setPosition(this.posX + d0, this.posY + this.getMountedYOffset() + this.riddenByEntity.getYOffset(), this.posZ + d1); } } /** * (abstract) Protected helper method to write subclass entity data to NBT. */ protected void writeEntityToNBT(NBTTagCompound par1NBTTagCompound) {} /** * (abstract) Protected helper method to read subclass entity data from NBT. */ protected void readEntityFromNBT(NBTTagCompound par1NBTTagCompound) {} @SideOnly(Side.CLIENT) public float getShadowSize() { return 0.0F; } /** * Called when a player interacts with a mob. e.g. gets milk from a cow, gets into the saddle on a pig. */ public boolean interact(EntityPlayer par1EntityPlayer) { if (this.riddenByEntity != null && this.riddenByEntity instanceof EntityPlayer && this.riddenByEntity != par1EntityPlayer) { return true; } else { if (!this.worldObj.isRemote) { par1EntityPlayer.mountEntity(this); } return true; } } /** * Sets the damage taken from the last hit. */ public void setDamageTaken(int par1) { this.dataWatcher.updateObject(19, Integer.valueOf(par1)); } /** * Gets the damage taken from the last hit. */ public int getDamageTaken() { return this.dataWatcher.getWatchableObjectInt(19); } /** * Sets the time to count down from since the last time entity was hit. */ public void setTimeSinceHit(int par1) { this.dataWatcher.updateObject(17, Integer.valueOf(par1)); } /** * Gets the time since the last hit. */ public int getTimeSinceHit() { return this.dataWatcher.getWatchableObjectInt(17); } /** * Sets the forward direction of the entity. */ public void setForwardDirection(int par1) { this.dataWatcher.updateObject(18, Integer.valueOf(par1)); } /** * Gets the forward direction of the entity. */ public int getForwardDirection() { return this.dataWatcher.getWatchableObjectInt(18); } @SideOnly(Side.CLIENT) public void func_70270_d(boolean par1) { this.field_70279_a = par1; } }