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.block.material.Material;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.EntityMinecartCommandBlock;
import net.minecraft.entity.ai.EntityMinecartMobSpawner;
import net.minecraft.entity.monster.EntityIronGolem;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.server.MinecraftServer;
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
{
private boolean isInReverse;
private String entityName;
/** Minecart rotational logic matrix */
private 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 */
private int turnProgress;
private double minecartX;
private double minecartY;
private double minecartZ;
private double minecartYaw;
private double minecartPitch;
@SideOnly(Side.CLIENT)
private double velocityX;
@SideOnly(Side.CLIENT)
private double velocityY;
@SideOnly(Side.CLIENT)
private double velocityZ;
private static final String __OBFID = "CL_00001670";
/* 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 p_i1712_1_)
{
super(p_i1712_1_);
this.preventEntitySpawning = true;
this.setSize(0.98F, 0.7F);
this.yOffset = this.height / 2.0F;
}
/**
* 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 p_94090_0_, double p_94090_1_, double p_94090_3_, double p_94090_5_, int p_94090_7_)
{
switch (p_94090_7_)
{
case 1:
return new EntityMinecartChest(p_94090_0_, p_94090_1_, p_94090_3_, p_94090_5_);
case 2:
return new EntityMinecartFurnace(p_94090_0_, p_94090_1_, p_94090_3_, p_94090_5_);
case 3:
return new EntityMinecartTNT(p_94090_0_, p_94090_1_, p_94090_3_, p_94090_5_);
case 4:
return new EntityMinecartMobSpawner(p_94090_0_, p_94090_1_, p_94090_3_, p_94090_5_);
case 5:
return new EntityMinecartHopper(p_94090_0_, p_94090_1_, p_94090_3_, p_94090_5_);
case 6:
return new EntityMinecartCommandBlock(p_94090_0_, p_94090_1_, p_94090_3_, p_94090_5_);
default:
return new EntityMinecartEmpty(p_94090_0_, p_94090_1_, p_94090_3_, p_94090_5_);
}
}
/**
* 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 Float(0.0F));
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 entityIn)
{
if (getCollisionHandler() != null)
{
return getCollisionHandler().getCollisionBox(this, entityIn);
}
return entityIn.canBePushed() ? entityIn.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 p_i1713_1_, double p_i1713_2_, double p_i1713_4_, double p_i1713_6_)
{
this(p_i1713_1_);
this.setPosition(p_i1713_2_, p_i1713_4_, p_i1713_6_);
this.motionX = 0.0D;
this.motionY = 0.0D;
this.motionZ = 0.0D;
this.prevPosX = p_i1713_2_;
this.prevPosY = p_i1713_4_;
this.prevPosZ = p_i1713_6_;
}
/**
* 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 source, float amount)
{
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() + amount * 10.0F);
boolean flag = source.getEntity() instanceof EntityPlayer && ((EntityPlayer)source.getEntity()).capabilities.isCreativeMode;
if (flag || this.getDamage() > 40.0F)
{
if (this.riddenByEntity != null)
{
this.riddenByEntity.mountEntity(this);
}
if (flag && !this.isCustomInventoryName())
{
this.setDead();
}
else
{
this.killMinecart(source);
}
}
return true;
}
}
else
{
return true;
}
}
public void killMinecart(DamageSource p_94095_1_)
{
this.setDead();
ItemStack itemstack = new ItemStack(Items.minecart, 1);
if (this.entityName != null)
{
itemstack.setStackDisplayName(this.entityName);
}
this.entityDropItem(itemstack, 0.0F);
}
/**
* Setups the entity to do the hurt animation. Only used by packets in multiplayer.
*/
@SideOnly(Side.CLIENT)
public void performHurtAnimation()
{
this.setRollingDirection(-this.getRollingDirection());
this.setRollingAmplitude(10);
this.setDamage(this.getDamage() + this.getDamage() * 10.0F);
}
/**
* 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();
}
/**
* Called to update the entity's position/logic.
*/
public void onUpdate()
{
if (this.getRollingAmplitude() > 0)
{
this.setRollingAmplitude(this.getRollingAmplitude() - 1);
}
if (this.getDamage() > 0.0F)
{
this.setDamage(this.getDamage() - 1.0F);
}
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).func_73046_m();
i = this.getMaxInPortalTime();
if (this.inPortal)
{
if (minecraftserver.getAllowNether())
{
if (this.ridingEntity == null && this.portalCounter++ >= i)
{
this.portalCounter = 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.portalCounter > 0)
{
this.portalCounter -= 4;
}
if (this.portalCounter < 0)
{
this.portalCounter = 0;
}
}
if (this.timeUntilPortal > 0)
{
--this.timeUntilPortal;
}
this.worldObj.theProfiler.endSection();
}
if (this.worldObj.isRemote)
{
if (this.turnProgress > 0)
{
double d6 = this.posX + (this.minecartX - this.posX) / (double)this.turnProgress;
double d7 = this.posY + (this.minecartY - this.posY) / (double)this.turnProgress;
double d1 = 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(d6, d7, d1);
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 l = MathHelper.floor_double(this.posX);
i = MathHelper.floor_double(this.posY);
int i1 = MathHelper.floor_double(this.posZ);
if (BlockRailBase.isRailBlockAt(this.worldObj, l, i - 1, i1))
{
--i;
}
double d0 = 0.4D;
double d2 = 0.0078125D;
Block block = this.worldObj.getBlock(l, i, i1);
if (canUseRail() && BlockRailBase.isRailBlock(block))
{
float railMaxSpeed = ((BlockRailBase)block).getRailMaxSpeed(worldObj, this, l, i, i1);
double maxSpeed = Math.min(railMaxSpeed, getCurrentCartSpeedCapOnRail());
this.func_145821_a(l, i, i1, maxSpeed, getSlopeAdjustment(), block, ((BlockRailBase)block).getBasicRailMetadata(worldObj, this, l, i, i1));
if (block == Blocks.activator_rail)
{
this.onActivatorRailPass(l, i, i1, (worldObj.getBlockMetadata(l, i, i1) & 8) != 0);
}
}
else
{
this.func_94088_b(onGround ? d0 : getMaxSpeedAirLateral());
}
this.doBlockCollisions();
this.rotationPitch = 0.0F;
double d8 = this.prevPosX - this.posX;
double d4 = this.prevPosZ - this.posZ;
if (d8 * d8 + d4 * d4 > 0.001D)
{
this.rotationYaw = (float)(Math.atan2(d4, d8) * 180.0D / Math.PI);
if (this.isInReverse)
{
this.rotationYaw += 180.0F;
}
}
double d5 = (double)MathHelper.wrapAngleTo180_float(this.rotationYaw - this.prevRotationYaw);
if (d5 < -170.0D || d5 >= 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 k = 0; k < list.size(); ++k)
{
Entity entity = (Entity)list.get(k);
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, l, i, i1));
}
}
/**
* Called every tick the minecart is on an activator rail. Args: x, y, z, is the rail receiving power
*/
public void onActivatorRailPass(int p_96095_1_, int p_96095_2_, int p_96095_3_, boolean p_96095_4_) {}
protected void func_94088_b(double p_94088_1_)
{
if (this.motionX < -p_94088_1_)
{
this.motionX = -p_94088_1_;
}
if (this.motionX > p_94088_1_)
{
this.motionX = p_94088_1_;
}
if (this.motionZ < -p_94088_1_)
{
this.motionZ = -p_94088_1_;
}
if (this.motionZ > p_94088_1_)
{
this.motionZ = p_94088_1_;
}
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 func_145821_a(int p_145821_1_, int p_145821_2_, int p_145821_3_, double p_145821_4_, double p_145821_6_, Block p_145821_8_, int p_145821_9_)
{
this.fallDistance = 0.0F;
Vec3 vec3 = this.func_70489_a(this.posX, this.posY, this.posZ);
this.posY = (double)p_145821_2_;
boolean flag = false;
boolean flag1 = false;
if (p_145821_8_ == Blocks.golden_rail)
{
flag = (worldObj.getBlockMetadata(p_145821_1_, p_145821_2_, p_145821_3_) & 8) != 0;
flag1 = !flag;
}
if (((BlockRailBase)p_145821_8_).isPowered())
{
p_145821_9_ &= 7;
}
if (p_145821_9_ >= 2 && p_145821_9_ <= 5)
{
this.posY = (double)(p_145821_2_ + 1);
}
if (p_145821_9_ == 2)
{
this.motionX -= p_145821_6_;
}
if (p_145821_9_ == 3)
{
this.motionX += p_145821_6_;
}
if (p_145821_9_ == 4)
{
this.motionZ += p_145821_6_;
}
if (p_145821_9_ == 5)
{
this.motionZ -= p_145821_6_;
}
int[][] aint = matrix[p_145821_9_];
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;
double d9;
double d10;
if (this.riddenByEntity != null && this.riddenByEntity instanceof EntityLivingBase)
{
d7 = (double)((EntityLivingBase)this.riddenByEntity).moveForward;
if (d7 > 0.0D)
{
d8 = -Math.sin((double)(this.riddenByEntity.rotationYaw * (float)Math.PI / 180.0F));
d9 = Math.cos((double)(this.riddenByEntity.rotationYaw * (float)Math.PI / 180.0F));
d10 = this.motionX * this.motionX + this.motionZ * this.motionZ;
if (d10 < 0.01D)
{
this.motionX += d8 * 0.1D;
this.motionZ += d9 * 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)p_145821_1_ + 0.5D + (double)aint[0][0] * 0.5D;
d9 = (double)p_145821_3_ + 0.5D + (double)aint[0][2] * 0.5D;
d10 = (double)p_145821_1_ + 0.5D + (double)aint[1][0] * 0.5D;
double d11 = (double)p_145821_3_ + 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)p_145821_1_ + 0.5D;
d7 = this.posZ - (double)p_145821_3_;
}
else if (d3 == 0.0D)
{
this.posZ = (double)p_145821_3_ + 0.5D;
d7 = this.posX - (double)p_145821_1_;
}
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(p_145821_1_, p_145821_2_, p_145821_3_, p_145821_4_);
if (aint[0][1] != 0 && MathHelper.floor_double(this.posX) - p_145821_1_ == aint[0][0] && MathHelper.floor_double(this.posZ) - p_145821_3_ == 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) - p_145821_1_ == aint[1][0] && MathHelper.floor_double(this.posZ) - p_145821_3_ == 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 i1 = MathHelper.floor_double(this.posZ);
if (j1 != p_145821_1_ || i1 != p_145821_3_)
{
d6 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ);
this.motionX = d6 * (double)(j1 - p_145821_1_);
this.motionZ = d6 * (double)(i1 - p_145821_3_);
}
if(shouldDoRailFunctions())
{
((BlockRailBase)p_145821_8_).onMinecartPass(worldObj, this, p_145821_1_, p_145821_2_, p_145821_3_);
}
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 (p_145821_9_ == 1)
{
if (this.worldObj.getBlock(p_145821_1_ - 1, p_145821_2_, p_145821_3_).isNormalCube())
{
this.motionX = 0.02D;
}
else if (this.worldObj.getBlock(p_145821_1_ + 1, p_145821_2_, p_145821_3_).isNormalCube())
{
this.motionX = -0.02D;
}
}
else if (p_145821_9_ == 0)
{
if (this.worldObj.getBlock(p_145821_1_, p_145821_2_, p_145821_3_ - 1).isNormalCube())
{
this.motionZ = 0.02D;
}
else if (this.worldObj.getBlock(p_145821_1_, p_145821_2_, p_145821_3_ + 1).isNormalCube())
{
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 p_70495_1_, double p_70495_3_, double p_70495_5_, double p_70495_7_)
{
int i = MathHelper.floor_double(p_70495_1_);
int j = MathHelper.floor_double(p_70495_3_);
int k = MathHelper.floor_double(p_70495_5_);
if (BlockRailBase.isRailBlockAt(this.worldObj, i, j - 1, k))
{
--j;
}
Block block = this.worldObj.getBlock(i, j, k);
if (!BlockRailBase.isRailBlock(block))
{
return null;
}
else
{
int l = ((BlockRailBase)block).getBasicRailMetadata(worldObj, this, i, j, k);
p_70495_3_ = (double)j;
if (l >= 2 && l <= 5)
{
p_70495_3_ = (double)(j + 1);
}
int[][] aint = matrix[l];
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;
p_70495_1_ += d4 * p_70495_7_;
p_70495_5_ += d5 * p_70495_7_;
if (aint[0][1] != 0 && MathHelper.floor_double(p_70495_1_) - i == aint[0][0] && MathHelper.floor_double(p_70495_5_) - k == aint[0][2])
{
p_70495_3_ += (double)aint[0][1];
}
else if (aint[1][1] != 0 && MathHelper.floor_double(p_70495_1_) - i == aint[1][0] && MathHelper.floor_double(p_70495_5_) - k == aint[1][2])
{
p_70495_3_ += (double)aint[1][1];
}
return this.func_70489_a(p_70495_1_, p_70495_3_, p_70495_5_);
}
}
public Vec3 func_70489_a(double p_70489_1_, double p_70489_3_, double p_70489_5_)
{
int i = MathHelper.floor_double(p_70489_1_);
int j = MathHelper.floor_double(p_70489_3_);
int k = MathHelper.floor_double(p_70489_5_);
if (BlockRailBase.isRailBlockAt(this.worldObj, i, j - 1, k))
{
--j;
}
Block block = this.worldObj.getBlock(i, j, k);
if (BlockRailBase.isRailBlock(block))
{
int l = ((BlockRailBase)block).getBasicRailMetadata(worldObj, this, i, j, k);
p_70489_3_ = (double)j;
if (l >= 2 && l <= 5)
{
p_70489_3_ = (double)(j + 1);
}
int[][] aint = matrix[l];
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)
{
p_70489_1_ = (double)i + 0.5D;
d3 = p_70489_5_ - (double)k;
}
else if (d12 == 0.0D)
{
p_70489_5_ = (double)k + 0.5D;
d3 = p_70489_1_ - (double)i;
}
else
{
double d13 = p_70489_1_ - d4;
double d14 = p_70489_5_ - d6;
d3 = (d13 * d10 + d14 * d12) * 2.0D;
}
p_70489_1_ = d4 + d10 * d3;
p_70489_3_ = d5 + d11 * d3;
p_70489_5_ = d6 + d12 * d3;
if (d11 < 0.0D)
{
++p_70489_3_;
}
if (d11 > 0.0D)
{
p_70489_3_ += 0.5D;
}
return Vec3.createVectorHelper(p_70489_1_, p_70489_3_, p_70489_5_);
}
else
{
return null;
}
}
/**
* (abstract) Protected helper method to read subclass entity data from NBT.
*/
protected void readEntityFromNBT(NBTTagCompound tagCompund)
{
if (tagCompund.getBoolean("CustomDisplayTile"))
{
this.func_145819_k(tagCompund.getInteger("DisplayTile"));
this.setDisplayTileData(tagCompund.getInteger("DisplayData"));
this.setDisplayTileOffset(tagCompund.getInteger("DisplayOffset"));
}
if (tagCompund.hasKey("CustomName", 8) && tagCompund.getString("CustomName").length() > 0)
{
this.entityName = tagCompund.getString("CustomName");
}
}
/**
* (abstract) Protected helper method to write subclass entity data to NBT.
*/
protected void writeEntityToNBT(NBTTagCompound tagCompound)
{
if (this.hasDisplayTile())
{
tagCompound.setBoolean("CustomDisplayTile", true);
tagCompound.setInteger("DisplayTile", this.getDisplayTile().getMaterial() == Material.air ? 0 : Block.getIdFromBlock(this.getDisplayTile()));
tagCompound.setInteger("DisplayData", this.getDisplayTileData());
tagCompound.setInteger("DisplayOffset", this.getDisplayTileOffset());
}
if (this.entityName != null && this.entityName.length() > 0)
{
tagCompound.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 entityIn)
{
MinecraftForge.EVENT_BUS.post(new MinecartCollisionEvent(this, entityIn));
if (getCollisionHandler() != null)
{
getCollisionHandler().onEntityCollision(this, entityIn);
return;
}
if (!this.worldObj.isRemote)
{
if (entityIn != this.riddenByEntity)
{
if (entityIn instanceof EntityLivingBase && !(entityIn instanceof EntityPlayer) && !(entityIn instanceof EntityIronGolem) && canBeRidden() && this.motionX * this.motionX + this.motionZ * this.motionZ > 0.01D && this.riddenByEntity == null && entityIn.ridingEntity == null)
{
entityIn.mountEntity(this);
}
double d0 = entityIn.posX - this.posX;
double d1 = entityIn.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 (entityIn instanceof EntityMinecart)
{
double d4 = entityIn.posX - this.posX;
double d5 = entityIn.posZ - this.posZ;
Vec3 vec3 = Vec3.createVectorHelper(d4, 0.0D, d5).normalize();
Vec3 vec31 = Vec3.createVectorHelper((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 = entityIn.motionX + this.motionX;
double d8 = entityIn.motionZ + this.motionZ;
if (((EntityMinecart)entityIn).isPoweredCart() && !isPoweredCart())
{
this.motionX *= 0.20000000298023224D;
this.motionZ *= 0.20000000298023224D;
this.addVelocity(entityIn.motionX - d0, 0.0D, entityIn.motionZ - d1);
entityIn.motionX *= 0.949999988079071D;
entityIn.motionZ *= 0.949999988079071D;
}
else if (((EntityMinecart)entityIn).isPoweredCart() && !isPoweredCart())
{
entityIn.motionX *= 0.20000000298023224D;
entityIn.motionZ *= 0.20000000298023224D;
entityIn.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);
entityIn.motionX *= 0.20000000298023224D;
entityIn.motionZ *= 0.20000000298023224D;
entityIn.addVelocity(d7 + d0, 0.0D, d8 + d1);
}
}
else
{
this.addVelocity(-d0, 0.0D, -d1);
entityIn.addVelocity(d0 / 4.0D, 0.0D, d1 / 4.0D);
}
}
}
}
}
/**
* Sets the position and rotation. Only difference from the other one is no bounding on the rotation. Args: posX,
* posY, posZ, yaw, pitch
*/
@SideOnly(Side.CLIENT)
public void setPositionAndRotation2(double x, double y, double z, float yaw, float pitch, int rotationIncrements)
{
this.minecartX = x;
this.minecartY = y;
this.minecartZ = z;
this.minecartYaw = (double)yaw;
this.minecartPitch = (double)pitch;
this.turnProgress = rotationIncrements + 2;
this.motionX = this.velocityX;
this.motionY = this.velocityY;
this.motionZ = this.velocityZ;
}
/**
* Sets the current amount of damage the minecart has taken. Decreases over time. The cart breaks when this is over
* 40.
*/
public void setDamage(float p_70492_1_)
{
this.dataWatcher.updateObject(19, Float.valueOf(p_70492_1_));
}
/**
* Sets the velocity to the args. Args: x, y, z
*/
@SideOnly(Side.CLIENT)
public void setVelocity(double x, double y, double z)
{
this.velocityX = this.motionX = x;
this.velocityY = this.motionY = y;
this.velocityZ = this.motionZ = z;
}
/**
* Gets the current amount of damage the minecart has taken. Decreases over time. The cart breaks when this is over
* 40.
*/
public float getDamage()
{
return this.dataWatcher.getWatchableObjectFloat(19);
}
/**
* Sets the rolling amplitude the cart rolls while being attacked.
*/
public void setRollingAmplitude(int p_70497_1_)
{
this.dataWatcher.updateObject(17, Integer.valueOf(p_70497_1_));
}
/**
* 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 p_70494_1_)
{
this.dataWatcher.updateObject(18, Integer.valueOf(p_70494_1_));
}
/**
* 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 Block.getBlockById(i);
}
}
public Block getDefaultDisplayTile()
{
return Blocks.air;
}
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 func_145819_k(int p_145819_1_)
{
this.getDataWatcher().updateObject(20, Integer.valueOf(p_145819_1_ & 65535 | this.getDisplayTileData() << 16));
this.setHasDisplayTile(true);
}
public void setDisplayTileData(int p_94092_1_)
{
this.getDataWatcher().updateObject(20, Integer.valueOf(Block.getIdFromBlock(this.getDisplayTile()) & 65535 | p_94092_1_ << 16));
this.setHasDisplayTile(true);
}
public void setDisplayTileOffset(int p_94086_1_)
{
this.getDataWatcher().updateObject(21, Integer.valueOf(p_94086_1_));
this.setHasDisplayTile(true);
}
public boolean hasDisplayTile()
{
return this.getDataWatcher().getWatchableObjectByte(22) == 1;
}
public void setHasDisplayTile(boolean p_94096_1_)
{
this.getDataWatcher().updateObject(22, Byte.valueOf((byte)(p_94096_1_ ? 1 : 0)));
}
/**
* Sets the minecart's name.
*/
public void setMinecartName(String p_96094_1_)
{
this.entityName = p_96094_1_;
}
/**
* Gets the name of this command sender (usually username, but possibly "Rcon")
*/
public String getCommandSenderName()
{
return this.entityName != null ? this.entityName : super.getCommandSenderName();
}
/**
* Returns if the inventory is named
*/
public boolean isCustomInventoryName()
{
return this.entityName != null;
}
public String func_95999_t()
{
return this.entityName;
}
/* =================================== FORGE START ===========================================*/
/**
* 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 EntityMinecartFurnace)
{
return new ItemStack(Items.furnace_minecart);
}
else if (this instanceof EntityMinecartChest)
{
return new ItemStack(Items.chest_minecart);
}
else if (this instanceof EntityMinecartTNT)
{
return new ItemStack(Items.tnt_minecart);
}
else if (this instanceof EntityMinecartHopper)
{
return new ItemStack(Items.hopper_minecart);
}
else if (this instanceof EntityMinecartCommandBlock)
{
return new ItemStack(Items.command_block_minecart);
}
return new ItemStack(Items.minecart);
}
/**
* 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;
}
/* =================================== FORGE END ===========================================*/
}