public void killMinecart(DamageSource par1DamageSource) {
super.killMinecart(par1DamageSource);
if (!par1DamageSource.isExplosion()) {
this.entityDropItem(new ItemStack(Block.furnaceIdle, 1), 0.0F);
}
}
private boolean canUpdateCart(EntityMinecart minecart) {
if (minecart == null) return false;
if (minecart instanceof IMinecartCompat) {
return ((IMinecartCompat) minecart).canUpdateManually();
}
return !blacklistClasses.contains(minecart.getClass());
}
@SubscribeEvent
public void onEntityTick(MinecartUpdateEvent event) {
EntityMinecart minecart = event.minecart;
if (!canUpdateCart(minecart)) return;
Vec3 cartPoint = new Vec3(minecart.posX, minecart.posY, minecart.posZ);
List<BehaviourWrapper[]> wrappers = new ArrayList<>();
for (BlockPos pos :
BlockPos.getAllInBox(
new BlockPos(cartPoint).add(-2, -2, -2), new BlockPos(cartPoint).add(2, 2, 2))) {
IBlockState state = minecart.worldObj.getBlockState(pos);
wrappers.add(TrackPathProvider.INSTANCE.getTracksAsArray(minecart.worldObj, pos, state));
}
double angDiff = Integer.MAX_VALUE;
double posDiff = 2;
BehaviourWrapper best = null;
RayTraceTrackPath bestTrace = null;
boolean reverse = false;
for (BehaviourWrapper[] wrapperArray : wrappers) {
for (BehaviourWrapper w : wrapperArray) {
RayTraceTrackPath rayTrace =
w.getPath().rayTrace(cartPoint.addVector(0, -0.5, 0), new Vec3(0, 1, 0));
if (rayTrace == null) continue;
if (rayTrace.distance > posDiff) continue;
boolean rev = false;
Vec3 cartAngle = new Vec3(minecart.motionX, minecart.motionY, minecart.motionZ).normalize();
Vec3 pathAngle = w.getPath().direction(rayTrace.interp).normalize();
if (cartAngle.distanceTo(pathAngle)
> cartAngle.distanceTo(pathAngle.subtractReverse(new Vec3(0, 0, 0)))) {
pathAngle = pathAngle.subtractReverse(new Vec3(0, 0, 0));
rev = true;
}
double diff = cartAngle.distanceTo(pathAngle);
if (diff > angDiff) continue;
best = w;
posDiff = rayTrace.distance;
angDiff = rayTrace.distance;
bestTrace = rayTrace;
reverse = rev;
}
}
if (best != null && bestTrace != null) {
Vec3 pathDir = best.getPath().direction(bestTrace.interp).normalize();
if (reverse) pathDir = pathDir.subtractReverse(new Vec3(0, 0, 0));
Vec3 cartAngle = new Vec3(minecart.motionX, minecart.motionY, minecart.motionZ);
double speed = cartAngle.lengthVector();
speed = Math.min(speed, 0.2);
minecart.motionX = pathDir.xCoord * speed;
minecart.motionY = pathDir.yCoord * speed;
minecart.motionZ = pathDir.zCoord * speed;
Vec3 pathPos = bestTrace.closestPoint;
minecart.posX = pathPos.xCoord + minecart.motionX;
minecart.posY = pathPos.yCoord + minecart.motionY;
minecart.posZ = pathPos.zCoord + minecart.motionZ;
}
}
/** Called to update the entity's position/logic. */
public void onUpdate() {
super.onUpdate();
if (this.fuel > 0) {
--this.fuel;
}
if (this.fuel <= 0) {
this.pushX = this.pushZ = 0.0D;
}
this.setMinecartPowered(this.fuel > 0);
if (this.isMinecartPowered() && this.rand.nextInt(4) == 0) {
this.worldObj.spawnParticle(
"largesmoke", this.posX, this.posY + 0.8D, this.posZ, 0.0D, 0.0D, 0.0D);
}
}
protected void updateOnTrack(
int par1, int par2, int par3, double par4, double par6, int par8, int par9) {
super.updateOnTrack(par1, par2, par3, par4, par6, par8, par9);
double d2 = this.pushX * this.pushX + this.pushZ * this.pushZ;
if (d2 > 1.0E-4D && this.motionX * this.motionX + this.motionZ * this.motionZ > 0.001D) {
d2 = (double) MathHelper.sqrt_double(d2);
this.pushX /= d2;
this.pushZ /= d2;
if (this.pushX * this.motionX + this.pushZ * this.motionZ < 0.0D) {
this.pushX = 0.0D;
this.pushZ = 0.0D;
} else {
this.pushX = this.motionX;
this.pushZ = this.motionZ;
}
}
}
protected void applyDrag() {
double d0 = this.pushX * this.pushX + this.pushZ * this.pushZ;
if (d0 > 1.0E-4D) {
d0 = (double) MathHelper.sqrt_double(d0);
this.pushX /= d0;
this.pushZ /= d0;
double d1 = 0.05D;
this.motionX *= 0.800000011920929D;
this.motionY *= 0.0D;
this.motionZ *= 0.800000011920929D;
this.motionX += this.pushX * d1;
this.motionZ += this.pushZ * d1;
} else {
this.motionX *= 0.9800000190734863D;
this.motionY *= 0.0D;
this.motionZ *= 0.9800000190734863D;
}
super.applyDrag();
}
protected void entityInit() {
super.entityInit();
this.dataWatcher.addObject(16, new Byte((byte) 0));
}
/** (abstract) Protected helper method to read subclass entity data from NBT. */
protected void readEntityFromNBT(NBTTagCompound par1NBTTagCompound) {
super.readEntityFromNBT(par1NBTTagCompound);
this.pushX = par1NBTTagCompound.getDouble("PushX");
this.pushZ = par1NBTTagCompound.getDouble("PushZ");
this.fuel = par1NBTTagCompound.getShort("Fuel");
}
/** (abstract) Protected helper method to write subclass entity data to NBT. */
protected void writeEntityToNBT(NBTTagCompound par1NBTTagCompound) {
super.writeEntityToNBT(par1NBTTagCompound);
par1NBTTagCompound.setDouble("PushX", this.pushX);
par1NBTTagCompound.setDouble("PushZ", this.pushZ);
par1NBTTagCompound.setShort("Fuel", (short) this.fuel);
}
/** Called to update the entity's position/logic. */
public void onUpdate() {
super.onUpdate();
this.mobSpawnerLogic.updateSpawner();
}
/** (abstract) Protected helper method to write subclass entity data to NBT. */
protected void writeEntityToNBT(NBTTagCompound par1NBTTagCompound) {
super.writeEntityToNBT(par1NBTTagCompound);
this.mobSpawnerLogic.writeToNBT(par1NBTTagCompound);
}
/** (abstract) Protected helper method to read subclass entity data from NBT. */
protected void readEntityFromNBT(NBTTagCompound par1NBTTagCompound) {
super.readEntityFromNBT(par1NBTTagCompound);
this.mobSpawnerLogic.readFromNBT(par1NBTTagCompound);
}