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.BlockRailBase;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLiving;
import net.minecraft.entity.ai.EntityMinecartMobSpawner;
import net.minecraft.entity.monster.EntityIronGolem;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.gui.IUpdatePlayerListBox;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.DamageSource;
import net.minecraft.util.MathHelper;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;
import net.minecraft.world.WorldServer;
import net.minecraftforge.common.IMinecartCollisionHandler;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.entity.minecart.MinecartCollisionEvent;
import net.minecraftforge.event.entity.minecart.MinecartUpdateEvent;
public abstract class EntityMinecart extends Entity
{
protected boolean isInReverse;
protected final IUpdatePlayerListBox field_82344_g;
protected String entityName;
/** Minecart rotational logic matrix */
protected static final int[][][] matrix = new int[][][] {{{0, 0, -1}, {0, 0, 1}}, {{ -1, 0, 0}, {1, 0, 0}}, {{ -1, -1, 0}, {1, 0, 0}}, {{ -1, 0, 0}, {1, -1, 0}}, {{0, 0, -1}, {0, -1, 1}}, {{0, -1, -1}, {0, 0, 1}}, {{0, 0, 1}, {1, 0, 0}}, {{0, 0, 1}, { -1, 0, 0}}, {{0, 0, -1}, { -1, 0, 0}}, {{0, 0, -1}, {1, 0, 0}}};
/** appears to be the progress of the turn */
protected int turnProgress;
protected double minecartX;
protected double minecartY;
protected double minecartZ;
protected double minecartYaw;
protected double minecartPitch;
@SideOnly(Side.CLIENT)
protected double velocityX;
@SideOnly(Side.CLIENT)
protected double velocityY;
@SideOnly(Side.CLIENT)
protected double velocityZ;
/* Forge: Minecart Compatibility Layer Integration. */
public static float defaultMaxSpeedAirLateral = 0.4f;
public static float defaultMaxSpeedAirVertical = -1f;
public static double defaultDragAir = 0.94999998807907104D;
protected boolean canUseRail = true;
protected boolean canBePushed = true;
private static IMinecartCollisionHandler collisionHandler = null;
/* Instance versions of the above physics properties */
private float currentSpeedRail = getMaxCartSpeedOnRail();
protected float maxSpeedAirLateral = defaultMaxSpeedAirLateral;
protected float maxSpeedAirVertical = defaultMaxSpeedAirVertical;
protected double dragAir = defaultDragAir;
public EntityMinecart(World par1World)
{
super(par1World);
this.isInReverse = false;
this.preventEntitySpawning = true;
this.setSize(0.98F, 0.7F);
this.yOffset = this.height / 2.0F;
this.field_82344_g = par1World != null ? par1World.func_82735_a(this) : null;
}
/**
* Creates a new minecart of the specified type in the specified location in the given world. par0World - world to
* create the minecart in, double par1,par3,par5 represent x,y,z respectively. int par7 specifies the type: 1 for
* MinecartChest, 2 for MinecartFurnace, 3 for MinecartTNT, 4 for MinecartMobSpawner, 5 for MinecartHopper and 0 for
* a standard empty minecart
*/
public static EntityMinecart createMinecart(World par0World, double par1, double par3, double par5, int par7)
{
switch (par7)
{
case 1:
return new EntityMinecartChest(par0World, par1, par3, par5);
case 2:
return new EntityMinecartFurnace(par0World, par1, par3, par5);
case 3:
return new EntityMinecartTNT(par0World, par1, par3, par5);
case 4:
return new EntityMinecartMobSpawner(par0World, par1, par3, par5);
case 5:
return new EntityMinecartHopper(par0World, par1, par3, par5);
default:
return new EntityMinecartEmpty(par0World, par1, par3, par5);
}
}
/**
* 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));
this.dataWatcher.addObject(20, new Integer(0));
this.dataWatcher.addObject(21, new Integer(6));
this.dataWatcher.addObject(22, Byte.valueOf((byte)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)
{
if (getCollisionHandler() != null)
{
return getCollisionHandler().getCollisionBox(this, par1Entity);
}
return par1Entity.canBePushed() ? par1Entity.boundingBox : null;
}
/**
* returns the bounding box for this entity
*/
public AxisAlignedBB getBoundingBox()
{
if (getCollisionHandler() != null)
{
return getCollisionHandler().getBoundingBox(this);
}
return null;
}
/**
* Returns true if this entity should push and be pushed by other entities when colliding.
*/
public boolean canBePushed()
{
return canBePushed;
}
public EntityMinecart(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.worldObj.isRemote && !this.isDead)
{
if (this.isEntityInvulnerable())
{
return false;
}
else
{
this.setRollingDirection(-this.getRollingDirection());
this.setRollingAmplitude(10);
this.setBeenAttacked();
this.setDamage(this.getDamage() + par2 * 10);
boolean flag = par1DamageSource.getEntity() instanceof EntityPlayer && ((EntityPlayer)par1DamageSource.getEntity()).capabilities.isCreativeMode;
if (flag || this.getDamage() > 40)
{
if (this.riddenByEntity != null)
{
this.riddenByEntity.mountEntity(this);
}
if (flag && !this.isInvNameLocalized())
{
this.setDead();
}
else
{
this.killMinecart(par1DamageSource);
}
}
return true;
}
}
else
{
return true;
}
}
public void killMinecart(DamageSource par1DamageSource)
{
this.setDead();
ItemStack itemstack = new ItemStack(Item.minecartEmpty, 1);
if (this.entityName != null)
{
itemstack.setItemName(this.entityName);
}
this.entityDropItem(itemstack, 0.0F);
}
@SideOnly(Side.CLIENT)
/**
* Setups the entity to do the hurt animation. Only used by packets in multiplayer.
*/
public void performHurtAnimation()
{
this.setRollingDirection(-this.getRollingDirection());
this.setRollingAmplitude(10);
this.setDamage(this.getDamage() + this.getDamage() * 10);
}
/**
* Returns true if other Entities should be prevented from moving through this Entity.
*/
public boolean canBeCollidedWith()
{
return !this.isDead;
}
/**
* Will get destroyed next tick.
*/
public void setDead()
{
super.setDead();
if (this.field_82344_g != null)
{
this.field_82344_g.update();
}
}
/**
* Called to update the entity's position/logic.
*/
public void onUpdate()
{
if (this.field_82344_g != null)
{
this.field_82344_g.update();
}
if (this.getRollingAmplitude() > 0)
{
this.setRollingAmplitude(this.getRollingAmplitude() - 1);
}
if (this.getDamage() > 0)
{
this.setDamage(this.getDamage() - 1);
}
if (this.posY < -64.0D)
{
this.kill();
}
int i;
if (!this.worldObj.isRemote && this.worldObj instanceof WorldServer)
{
this.worldObj.theProfiler.startSection("portal");
MinecraftServer minecraftserver = ((WorldServer)this.worldObj).getMinecraftServer();
i = this.getMaxInPortalTime();
if (this.inPortal)
{
if (minecraftserver.getAllowNether())
{
if (this.ridingEntity == null && this.timeInPortal++ >= i)
{
this.timeInPortal = i;
this.timeUntilPortal = this.getPortalCooldown();
byte b0;
if (this.worldObj.provider.dimensionId == -1)
{
b0 = 0;
}
else
{
b0 = -1;
}
this.travelToDimension(b0);
}
this.inPortal = false;
}
}
else
{
if (this.timeInPortal > 0)
{
this.timeInPortal -= 4;
}
if (this.timeInPortal < 0)
{
this.timeInPortal = 0;
}
}
if (this.timeUntilPortal > 0)
{
--this.timeUntilPortal;
}
this.worldObj.theProfiler.endSection();
}
if (this.worldObj.isRemote)
{
if (this.turnProgress > 0)
{
double d0 = this.posX + (this.minecartX - this.posX) / (double)this.turnProgress;
double d1 = this.posY + (this.minecartY - this.posY) / (double)this.turnProgress;
double d2 = this.posZ + (this.minecartZ - this.posZ) / (double)this.turnProgress;
double d3 = MathHelper.wrapAngleTo180_double(this.minecartYaw - (double)this.rotationYaw);
this.rotationYaw = (float)((double)this.rotationYaw + d3 / (double)this.turnProgress);
this.rotationPitch = (float)((double)this.rotationPitch + (this.minecartPitch - (double)this.rotationPitch) / (double)this.turnProgress);
--this.turnProgress;
this.setPosition(d0, d1, d2);
this.setRotation(this.rotationYaw, this.rotationPitch);
}
else
{
this.setPosition(this.posX, this.posY, this.posZ);
this.setRotation(this.rotationYaw, this.rotationPitch);
}
}
else
{
this.prevPosX = this.posX;
this.prevPosY = this.posY;
this.prevPosZ = this.posZ;
this.motionY -= 0.03999999910593033D;
int j = MathHelper.floor_double(this.posX);
i = MathHelper.floor_double(this.posY);
int k = MathHelper.floor_double(this.posZ);
if (BlockRailBase.isRailBlockAt(this.worldObj, j, i - 1, k))
{
--i;
}
double d4 = 0.4D;
double d5 = 0.0078125D;
int l = this.worldObj.getBlockId(j, i, k);
if (canUseRail() && BlockRailBase.isRailBlock(l))
{
BlockRailBase rail = (BlockRailBase)Block.blocksList[l];
float railMaxSpeed = rail.getRailMaxSpeed(worldObj, this, j, i, k);
double maxSpeed = Math.min(railMaxSpeed, getCurrentCartSpeedCapOnRail());
int i1 = rail.getBasicRailMetadata(worldObj, this, j, i, k);
this.updateOnTrack(j, i, k, maxSpeed, getSlopeAdjustment(), l, i1);
if (l == Block.railActivator.blockID)
{
this.onActivatorRailPass(j, i, k, (worldObj.getBlockMetadata(j, i, k) & 8) != 0);
}
}
else
{
this.func_94088_b(onGround ? d4 : getMaxSpeedAirLateral());
}
this.doBlockCollisions();
this.rotationPitch = 0.0F;
double d6 = this.prevPosX - this.posX;
double d7 = this.prevPosZ - this.posZ;
if (d6 * d6 + d7 * d7 > 0.001D)
{
this.rotationYaw = (float)(Math.atan2(d7, d6) * 180.0D / Math.PI);
if (this.isInReverse)
{
this.rotationYaw += 180.0F;
}
}
double d8 = (double)MathHelper.wrapAngleTo180_float(this.rotationYaw - this.prevRotationYaw);
if (d8 < -170.0D || d8 >= 170.0D)
{
this.rotationYaw += 180.0F;
this.isInReverse = !this.isInReverse;
}
this.setRotation(this.rotationYaw, this.rotationPitch);
AxisAlignedBB box;
if (getCollisionHandler() != null)
{
box = getCollisionHandler().getMinecartCollisionBox(this);
}
else
{
box = boundingBox.expand(0.2D, 0.0D, 0.2D);
}
List list = this.worldObj.getEntitiesWithinAABBExcludingEntity(this, box);
if (list != null && !list.isEmpty())
{
for (int j1 = 0; j1 < list.size(); ++j1)
{
Entity entity = (Entity)list.get(j1);
if (entity != this.riddenByEntity && entity.canBePushed() && entity instanceof EntityMinecart)
{
entity.applyEntityCollision(this);
}
}
}
if (this.riddenByEntity != null && this.riddenByEntity.isDead)
{
if (this.riddenByEntity.ridingEntity == this)
{
this.riddenByEntity.ridingEntity = null;
}
this.riddenByEntity = null;
}
MinecraftForge.EVENT_BUS.post(new MinecartUpdateEvent(this, j, i, k));
}
}
/**
* Called every tick the minecart is on an activator rail.
*/
public void onActivatorRailPass(int par1, int par2, int par3, boolean par4) {}
protected void func_94088_b(double par1)
{
if (this.motionX < -par1)
{
this.motionX = -par1;
}
if (this.motionX > par1)
{
this.motionX = par1;
}
if (this.motionZ < -par1)
{
this.motionZ = -par1;
}
if (this.motionZ > par1)
{
this.motionZ = par1;
}
double moveY = motionY;
if(getMaxSpeedAirVertical() > 0 && motionY > getMaxSpeedAirVertical())
{
moveY = getMaxSpeedAirVertical();
if(Math.abs(motionX) < 0.3f && Math.abs(motionZ) < 0.3f)
{
moveY = 0.15f;
motionY = moveY;
}
}
if (this.onGround)
{
this.motionX *= 0.5D;
this.motionY *= 0.5D;
this.motionZ *= 0.5D;
}
this.moveEntity(this.motionX, moveY, this.motionZ);
if (!this.onGround)
{
this.motionX *= getDragAir();
this.motionY *= getDragAir();
this.motionZ *= getDragAir();
}
}
protected void updateOnTrack(int par1, int par2, int par3, double par4, double par6, int par8, int par9)
{
this.fallDistance = 0.0F;
Vec3 vec3 = this.func_70489_a(this.posX, this.posY, this.posZ);
this.posY = (double)par2;
boolean flag = false;
boolean flag1 = false;
if (par8 == Block.railPowered.blockID)
{
flag = (worldObj.getBlockMetadata(par1, par2, par3) & 8) != 0;
flag1 = !flag;
}
if (((BlockRailBase)Block.blocksList[par8]).isPowered())
{
par9 &= 7;
}
if (par9 >= 2 && par9 <= 5)
{
this.posY = (double)(par2 + 1);
}
if (par9 == 2)
{
this.motionX -= par6;
}
if (par9 == 3)
{
this.motionX += par6;
}
if (par9 == 4)
{
this.motionZ += par6;
}
if (par9 == 5)
{
this.motionZ -= par6;
}
int[][] aint = matrix[par9];
double d2 = (double)(aint[1][0] - aint[0][0]);
double d3 = (double)(aint[1][2] - aint[0][2]);
double d4 = Math.sqrt(d2 * d2 + d3 * d3);
double d5 = this.motionX * d2 + this.motionZ * d3;
if (d5 < 0.0D)
{
d2 = -d2;
d3 = -d3;
}
double d6 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ);
if (d6 > 2.0D)
{
d6 = 2.0D;
}
this.motionX = d6 * d2 / d4;
this.motionZ = d6 * d3 / d4;
double d7;
double d8;
if (this.riddenByEntity != null)
{
d7 = this.riddenByEntity.motionX * this.riddenByEntity.motionX + this.riddenByEntity.motionZ * this.riddenByEntity.motionZ;
d8 = this.motionX * this.motionX + this.motionZ * this.motionZ;
if (d7 > 1.0E-4D && d8 < 0.01D)
{
this.motionX += this.riddenByEntity.motionX * 0.1D;
this.motionZ += this.riddenByEntity.motionZ * 0.1D;
flag1 = false;
}
}
if (flag1 && shouldDoRailFunctions())
{
d7 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ);
if (d7 < 0.03D)
{
this.motionX *= 0.0D;
this.motionY *= 0.0D;
this.motionZ *= 0.0D;
}
else
{
this.motionX *= 0.5D;
this.motionY *= 0.0D;
this.motionZ *= 0.5D;
}
}
d7 = 0.0D;
d8 = (double)par1 + 0.5D + (double)aint[0][0] * 0.5D;
double d9 = (double)par3 + 0.5D + (double)aint[0][2] * 0.5D;
double d10 = (double)par1 + 0.5D + (double)aint[1][0] * 0.5D;
double d11 = (double)par3 + 0.5D + (double)aint[1][2] * 0.5D;
d2 = d10 - d8;
d3 = d11 - d9;
double d12;
double d13;
if (d2 == 0.0D)
{
this.posX = (double)par1 + 0.5D;
d7 = this.posZ - (double)par3;
}
else if (d3 == 0.0D)
{
this.posZ = (double)par3 + 0.5D;
d7 = this.posX - (double)par1;
}
else
{
d12 = this.posX - d8;
d13 = this.posZ - d9;
d7 = (d12 * d2 + d13 * d3) * 2.0D;
}
this.posX = d8 + d2 * d7;
this.posZ = d9 + d3 * d7;
this.setPosition(this.posX, this.posY + (double)this.yOffset, this.posZ);
moveMinecartOnRail(par1, par2, par3, par4);
if (aint[0][1] != 0 && MathHelper.floor_double(this.posX) - par1 == aint[0][0] && MathHelper.floor_double(this.posZ) - par3 == aint[0][2])
{
this.setPosition(this.posX, this.posY + (double)aint[0][1], this.posZ);
}
else if (aint[1][1] != 0 && MathHelper.floor_double(this.posX) - par1 == aint[1][0] && MathHelper.floor_double(this.posZ) - par3 == aint[1][2])
{
this.setPosition(this.posX, this.posY + (double)aint[1][1], this.posZ);
}
this.applyDrag();
Vec3 vec31 = this.func_70489_a(this.posX, this.posY, this.posZ);
if (vec31 != null && vec3 != null)
{
double d14 = (vec3.yCoord - vec31.yCoord) * 0.05D;
d6 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ);
if (d6 > 0.0D)
{
this.motionX = this.motionX / d6 * (d6 + d14);
this.motionZ = this.motionZ / d6 * (d6 + d14);
}
this.setPosition(this.posX, vec31.yCoord, this.posZ);
}
int j1 = MathHelper.floor_double(this.posX);
int k1 = MathHelper.floor_double(this.posZ);
if (j1 != par1 || k1 != par3)
{
d6 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ);
this.motionX = d6 * (double)(j1 - par1);
this.motionZ = d6 * (double)(k1 - par3);
}
if(shouldDoRailFunctions())
{
((BlockRailBase)Block.blocksList[par8]).onMinecartPass(worldObj, this, par1, par2, par3);
}
if (flag && shouldDoRailFunctions())
{
double d15 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ);
if (d15 > 0.01D)
{
double d16 = 0.06D;
this.motionX += this.motionX / d15 * d16;
this.motionZ += this.motionZ / d15 * d16;
}
else if (par9 == 1)
{
if (this.worldObj.isBlockNormalCube(par1 - 1, par2, par3))
{
this.motionX = 0.02D;
}
else if (this.worldObj.isBlockNormalCube(par1 + 1, par2, par3))
{
this.motionX = -0.02D;
}
}
else if (par9 == 0)
{
if (this.worldObj.isBlockNormalCube(par1, par2, par3 - 1))
{
this.motionZ = 0.02D;
}
else if (this.worldObj.isBlockNormalCube(par1, par2, par3 + 1))
{
this.motionZ = -0.02D;
}
}
}
}
protected void applyDrag()
{
if (this.riddenByEntity != null)
{
this.motionX *= 0.996999979019165D;
this.motionY *= 0.0D;
this.motionZ *= 0.996999979019165D;
}
else
{
this.motionX *= 0.9599999785423279D;
this.motionY *= 0.0D;
this.motionZ *= 0.9599999785423279D;
}
}
@SideOnly(Side.CLIENT)
public Vec3 func_70495_a(double par1, double par3, double par5, double par7)
{
int i = MathHelper.floor_double(par1);
int j = MathHelper.floor_double(par3);
int k = MathHelper.floor_double(par5);
if (BlockRailBase.isRailBlockAt(this.worldObj, i, j - 1, k))
{
--j;
}
int l = this.worldObj.getBlockId(i, j, k);
if (!BlockRailBase.isRailBlock(l))
{
return null;
}
else
{
int i1 = ((BlockRailBase)Block.blocksList[l]).getBasicRailMetadata(worldObj, this, i, j, k);
par3 = (double)j;
if (i1 >= 2 && i1 <= 5)
{
par3 = (double)(j + 1);
}
int[][] aint = matrix[i1];
double d4 = (double)(aint[1][0] - aint[0][0]);
double d5 = (double)(aint[1][2] - aint[0][2]);
double d6 = Math.sqrt(d4 * d4 + d5 * d5);
d4 /= d6;
d5 /= d6;
par1 += d4 * par7;
par5 += d5 * par7;
if (aint[0][1] != 0 && MathHelper.floor_double(par1) - i == aint[0][0] && MathHelper.floor_double(par5) - k == aint[0][2])
{
par3 += (double)aint[0][1];
}
else if (aint[1][1] != 0 && MathHelper.floor_double(par1) - i == aint[1][0] && MathHelper.floor_double(par5) - k == aint[1][2])
{
par3 += (double)aint[1][1];
}
return this.func_70489_a(par1, par3, par5);
}
}
public Vec3 func_70489_a(double par1, double par3, double par5)
{
int i = MathHelper.floor_double(par1);
int j = MathHelper.floor_double(par3);
int k = MathHelper.floor_double(par5);
if (BlockRailBase.isRailBlockAt(this.worldObj, i, j - 1, k))
{
--j;
}
int l = this.worldObj.getBlockId(i, j, k);
if (BlockRailBase.isRailBlock(l))
{
int i1 = ((BlockRailBase)Block.blocksList[l]).getBasicRailMetadata(worldObj, this, i, j, k);
par3 = (double)j;
if (i1 >= 2 && i1 <= 5)
{
par3 = (double)(j + 1);
}
int[][] aint = matrix[i1];
double d3 = 0.0D;
double d4 = (double)i + 0.5D + (double)aint[0][0] * 0.5D;
double d5 = (double)j + 0.5D + (double)aint[0][1] * 0.5D;
double d6 = (double)k + 0.5D + (double)aint[0][2] * 0.5D;
double d7 = (double)i + 0.5D + (double)aint[1][0] * 0.5D;
double d8 = (double)j + 0.5D + (double)aint[1][1] * 0.5D;
double d9 = (double)k + 0.5D + (double)aint[1][2] * 0.5D;
double d10 = d7 - d4;
double d11 = (d8 - d5) * 2.0D;
double d12 = d9 - d6;
if (d10 == 0.0D)
{
par1 = (double)i + 0.5D;
d3 = par5 - (double)k;
}
else if (d12 == 0.0D)
{
par5 = (double)k + 0.5D;
d3 = par1 - (double)i;
}
else
{
double d13 = par1 - d4;
double d14 = par5 - d6;
d3 = (d13 * d10 + d14 * d12) * 2.0D;
}
par1 = d4 + d10 * d3;
par3 = d5 + d11 * d3;
par5 = d6 + d12 * d3;
if (d11 < 0.0D)
{
++par3;
}
if (d11 > 0.0D)
{
par3 += 0.5D;
}
return this.worldObj.getWorldVec3Pool().getVecFromPool(par1, par3, par5);
}
else
{
return null;
}
}
/**
* (abstract) Protected helper method to read subclass entity data from NBT.
*/
protected void readEntityFromNBT(NBTTagCompound par1NBTTagCompound)
{
if (par1NBTTagCompound.getBoolean("CustomDisplayTile"))
{
this.setDisplayTile(par1NBTTagCompound.getInteger("DisplayTile"));
this.setDisplayTileData(par1NBTTagCompound.getInteger("DisplayData"));
this.setDisplayTileOffset(par1NBTTagCompound.getInteger("DisplayOffset"));
}
if (par1NBTTagCompound.hasKey("CustomName") && par1NBTTagCompound.getString("CustomName").length() > 0)
{
this.entityName = par1NBTTagCompound.getString("CustomName");
}
}
/**
* (abstract) Protected helper method to write subclass entity data to NBT.
*/
protected void writeEntityToNBT(NBTTagCompound par1NBTTagCompound)
{
if (this.hasDisplayTile())
{
par1NBTTagCompound.setBoolean("CustomDisplayTile", true);
par1NBTTagCompound.setInteger("DisplayTile", this.getDisplayTile() == null ? 0 : this.getDisplayTile().blockID);
par1NBTTagCompound.setInteger("DisplayData", this.getDisplayTileData());
par1NBTTagCompound.setInteger("DisplayOffset", this.getDisplayTileOffset());
}
if (this.entityName != null && this.entityName.length() > 0)
{
par1NBTTagCompound.setString("CustomName", this.entityName);
}
}
@SideOnly(Side.CLIENT)
public float getShadowSize()
{
return 0.0F;
}
/**
* Applies a velocity to each of the entities pushing them away from each other. Args: entity
*/
public void applyEntityCollision(Entity par1Entity)
{
MinecraftForge.EVENT_BUS.post(new MinecartCollisionEvent(this, par1Entity));
if (getCollisionHandler() != null)
{
getCollisionHandler().onEntityCollision(this, par1Entity);
return;
}
if (!this.worldObj.isRemote)
{
if (par1Entity != this.riddenByEntity)
{
if (par1Entity instanceof EntityLiving && !(par1Entity instanceof EntityPlayer) && !(par1Entity instanceof EntityIronGolem) && canBeRidden() && this.motionX * this.motionX + this.motionZ * this.motionZ > 0.01D && this.riddenByEntity == null && par1Entity.ridingEntity == null)
{
par1Entity.mountEntity(this);
}
double d0 = par1Entity.posX - this.posX;
double d1 = par1Entity.posZ - this.posZ;
double d2 = d0 * d0 + d1 * d1;
if (d2 >= 9.999999747378752E-5D)
{
d2 = (double)MathHelper.sqrt_double(d2);
d0 /= d2;
d1 /= d2;
double d3 = 1.0D / d2;
if (d3 > 1.0D)
{
d3 = 1.0D;
}
d0 *= d3;
d1 *= d3;
d0 *= 0.10000000149011612D;
d1 *= 0.10000000149011612D;
d0 *= (double)(1.0F - this.entityCollisionReduction);
d1 *= (double)(1.0F - this.entityCollisionReduction);
d0 *= 0.5D;
d1 *= 0.5D;
if (par1Entity instanceof EntityMinecart)
{
double d4 = par1Entity.posX - this.posX;
double d5 = par1Entity.posZ - this.posZ;
Vec3 vec3 = this.worldObj.getWorldVec3Pool().getVecFromPool(d4, 0.0D, d5).normalize();
Vec3 vec31 = this.worldObj.getWorldVec3Pool().getVecFromPool((double)MathHelper.cos(this.rotationYaw * (float)Math.PI / 180.0F), 0.0D, (double)MathHelper.sin(this.rotationYaw * (float)Math.PI / 180.0F)).normalize();
double d6 = Math.abs(vec3.dotProduct(vec31));
if (d6 < 0.800000011920929D)
{
return;
}
double d7 = par1Entity.motionX + this.motionX;
double d8 = par1Entity.motionZ + this.motionZ;
if (((EntityMinecart)par1Entity).isPoweredCart() && !isPoweredCart())
{
this.motionX *= 0.20000000298023224D;
this.motionZ *= 0.20000000298023224D;
this.addVelocity(par1Entity.motionX - d0, 0.0D, par1Entity.motionZ - d1);
par1Entity.motionX *= 0.949999988079071D;
par1Entity.motionZ *= 0.949999988079071D;
}
else if (!((EntityMinecart)par1Entity).isPoweredCart() && isPoweredCart())
{
par1Entity.motionX *= 0.20000000298023224D;
par1Entity.motionZ *= 0.20000000298023224D;
par1Entity.addVelocity(this.motionX + d0, 0.0D, this.motionZ + d1);
this.motionX *= 0.949999988079071D;
this.motionZ *= 0.949999988079071D;
}
else
{
d7 /= 2.0D;
d8 /= 2.0D;
this.motionX *= 0.20000000298023224D;
this.motionZ *= 0.20000000298023224D;
this.addVelocity(d7 - d0, 0.0D, d8 - d1);
par1Entity.motionX *= 0.20000000298023224D;
par1Entity.motionZ *= 0.20000000298023224D;
par1Entity.addVelocity(d7 + d0, 0.0D, d8 + d1);
}
}
else
{
this.addVelocity(-d0, 0.0D, -d1);
par1Entity.addVelocity(d0 / 4.0D, 0.0D, d1 / 4.0D);
}
}
}
}
}
@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)
{
this.minecartX = par1;
this.minecartY = par3;
this.minecartZ = par5;
this.minecartYaw = (double)par7;
this.minecartPitch = (double)par8;
this.turnProgress = par9 + 2;
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;
}
/**
* Sets the current amount of damage the minecart has taken. Decreases over time. The cart breaks when this is over
* 40.
*/
public void setDamage(int par1)
{
this.dataWatcher.updateObject(19, Integer.valueOf(par1));
}
/**
* Gets the current amount of damage the minecart has taken. Decreases over time. The cart breaks when this is over
* 40.
*/
public int getDamage()
{
return this.dataWatcher.getWatchableObjectInt(19);
}
/**
* Sets the rolling amplitude the cart rolls while being attacked.
*/
public void setRollingAmplitude(int par1)
{
this.dataWatcher.updateObject(17, Integer.valueOf(par1));
}
/**
* Gets the rolling amplitude the cart rolls while being attacked.
*/
public int getRollingAmplitude()
{
return this.dataWatcher.getWatchableObjectInt(17);
}
/**
* Sets the rolling direction the cart rolls while being attacked. Can be 1 or -1.
*/
public void setRollingDirection(int par1)
{
this.dataWatcher.updateObject(18, Integer.valueOf(par1));
}
/**
* Gets the rolling direction the cart rolls while being attacked. Can be 1 or -1.
*/
public int getRollingDirection()
{
return this.dataWatcher.getWatchableObjectInt(18);
}
public abstract int getMinecartType();
public Block getDisplayTile()
{
if (!this.hasDisplayTile())
{
return this.getDefaultDisplayTile();
}
else
{
int i = this.getDataWatcher().getWatchableObjectInt(20) & 65535;
return i > 0 && i < Block.blocksList.length ? Block.blocksList[i] : null;
}
}
public Block getDefaultDisplayTile()
{
return null;
}
public int getDisplayTileData()
{
return !this.hasDisplayTile() ? this.getDefaultDisplayTileData() : this.getDataWatcher().getWatchableObjectInt(20) >> 16;
}
public int getDefaultDisplayTileData()
{
return 0;
}
public int getDisplayTileOffset()
{
return !this.hasDisplayTile() ? this.getDefaultDisplayTileOffset() : this.getDataWatcher().getWatchableObjectInt(21);
}
public int getDefaultDisplayTileOffset()
{
return 6;
}
public void setDisplayTile(int par1)
{
this.getDataWatcher().updateObject(20, Integer.valueOf(par1 & 65535 | this.getDisplayTileData() << 16));
this.setHasDisplayTile(true);
}
public void setDisplayTileData(int par1)
{
Block block = this.getDisplayTile();
int j = block == null ? 0 : block.blockID;
this.getDataWatcher().updateObject(20, Integer.valueOf(j & 65535 | par1 << 16));
this.setHasDisplayTile(true);
}
public void setDisplayTileOffset(int par1)
{
this.getDataWatcher().updateObject(21, Integer.valueOf(par1));
this.setHasDisplayTile(true);
}
public boolean hasDisplayTile()
{
return this.getDataWatcher().getWatchableObjectByte(22) == 1;
}
public void setHasDisplayTile(boolean par1)
{
this.getDataWatcher().updateObject(22, Byte.valueOf((byte)(par1 ? 1 : 0)));
}
public void func_96094_a(String par1Str)
{
this.entityName = par1Str;
}
/**
* Gets the username of the entity.
*/
public String getEntityName()
{
return this.entityName != null ? this.entityName : super.getEntityName();
}
/**
* If this returns false, the inventory name will be used as an unlocalized name, and translated into the player's
* language. Otherwise it will be used directly.
*/
public boolean isInvNameLocalized()
{
return this.entityName != null;
}
public String func_95999_t()
{
return this.entityName;
}
/**
* Moved to allow overrides.
* This code handles minecart movement and speed capping when on a rail.
*/
public void moveMinecartOnRail(int x, int y, int z, double par4){
double d12 = this.motionX;
double d13 = this.motionZ;
if (this.riddenByEntity != null)
{
d12 *= 0.75D;
d13 *= 0.75D;
}
if (d12 < -par4)
{
d12 = -par4;
}
if (d12 > par4)
{
d12 = par4;
}
if (d13 < -par4)
{
d13 = -par4;
}
if (d13 > par4)
{
d13 = par4;
}
this.moveEntity(d12, 0.0D, d13);
}
/**
* Gets the current global Minecart Collision handler if none
* is registered, returns null
* @return The collision handler or null
*/
public static IMinecartCollisionHandler getCollisionHandler()
{
return collisionHandler;
}
/**
* Sets the global Minecart Collision handler, overwrites any
* that is currently set.
* @param handler The new handler
*/
public static void setCollisionHandler(IMinecartCollisionHandler handler)
{
collisionHandler = handler;
}
/**
* This function returns an ItemStack that represents this cart.
* This should be an ItemStack that can be used by the player to place the cart,
* but is not necessary the item the cart drops when destroyed.
* @return An ItemStack that can be used to place the cart.
*/
public ItemStack getCartItem()
{
if (this instanceof EntityMinecartChest)
{
return new ItemStack(Item.minecartCrate);
}
else if (this instanceof EntityMinecartTNT)
{
return new ItemStack(Item.minecartTnt);
}
else if (this instanceof EntityMinecartFurnace)
{
return new ItemStack(Item.minecartPowered);
}
else if (this instanceof EntityMinecartHopper)
{
return new ItemStack(Item.minecartHopper);
}
return new ItemStack(Item.minecartEmpty);
}
/**
* Returns true if this cart can currently use rails.
* This function is mainly used to gracefully detach a minecart from a rail.
* @return True if the minecart can use rails.
*/
public boolean canUseRail()
{
return canUseRail;
}
/**
* Set whether the minecart can use rails.
* This function is mainly used to gracefully detach a minecart from a rail.
* @param use Whether the minecart can currently use rails.
*/
public void setCanUseRail(boolean use)
{
canUseRail = use;
}
/**
* Return false if this cart should not call onMinecartPass() and should ignore Powered Rails.
* @return True if this cart should call onMinecartPass().
*/
public boolean shouldDoRailFunctions()
{
return true;
}
/**
* Returns true if this cart is self propelled.
* @return True if powered.
*/
public boolean isPoweredCart()
{
return getMinecartType()== 2;
}
/**
* Returns true if this cart can be ridden by an Entity.
* @return True if this cart can be ridden.
*/
public boolean canBeRidden()
{
if(this instanceof EntityMinecartEmpty)
{
return true;
}
return false;
}
/**
* Getters/setters for physics variables
*/
/**
* Returns the carts max speed when traveling on rails. Carts going faster
* than 1.1 cause issues with chunk loading. Carts cant traverse slopes or
* corners at greater than 0.5 - 0.6. This value is compared with the rails
* max speed and the carts current speed cap to determine the carts current
* max speed. A normal rail's max speed is 0.4.
*
* @return Carts max speed.
*/
public float getMaxCartSpeedOnRail()
{
return 1.2f;
}
/**
* Returns the current speed cap for the cart when traveling on rails. This
* functions differs from getMaxCartSpeedOnRail() in that it controls
* current movement and cannot be overridden. The value however can never be
* higher than getMaxCartSpeedOnRail().
*
* @return
*/
public final float getCurrentCartSpeedCapOnRail()
{
return currentSpeedRail;
}
public final void setCurrentCartSpeedCapOnRail(float value)
{
value = Math.min(value, getMaxCartSpeedOnRail());
currentSpeedRail = value;
}
public float getMaxSpeedAirLateral()
{
return maxSpeedAirLateral;
}
public void setMaxSpeedAirLateral(float value)
{
maxSpeedAirLateral = value;
}
public float getMaxSpeedAirVertical()
{
return maxSpeedAirVertical;
}
public void setMaxSpeedAirVertical(float value)
{
maxSpeedAirVertical = value;
}
public double getDragAir()
{
return dragAir;
}
public void setDragAir(double value)
{
dragAir = value;
}
public double getSlopeAdjustment()
{
return 0.0078125D;
}
}