I'm working on reverse engineering minecraft's code for EntityThrowable to make a basic gun I can learn from, but there is a problem with my indexing.
How should I prepare this code to properly inherit from it's parent in eclipse?
package raebit.tutorial.inherited;
public class PlasmaGun extends EntityThrowable {
import java.util.List;
import net.minecraft.block.Block;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.IProjectile;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumParticleTypes;
import net.minecraft.util.MathHelper;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;
public abstract class EntityThrowable extends Entity implements IProjectile
{
private int xTile = -1;
private int yTile = -1;
private int zTile = -1;
private Block inTile;
protected boolean inGround;
public int throwableShake;
/** The entity that threw this throwable item. */
private EntityLivingBase thrower;
private String throwerName;
private int ticksInGround;
private int ticksInAir;
private static final String __OBFID = "CL_00001723";
public EntityThrowable(World worldIn)
{
super(worldIn);
this.setSize(0.25F, 0.25F);
}
protected void entityInit() {}
/**
* Checks if the entity is in range to render by using the past in distance and comparing it to its average edge
* length * 64 * renderDistanceWeight Args: distance
*/
@SideOnly(Side.CLIENT)
public boolean isInRangeToRenderDist(double distance)
{
double d1 = this.getEntityBoundingBox().getAverageEdgeLength() * 4.0D;
d1 *= 64.0D;
return distance < d1 * d1;
}
public EntityThrowable(World worldIn, EntityLivingBase throwerIn)
{
super(worldIn);
this.thrower = throwerIn;
this.setSize(0.25F, 0.25F);
this.setLocationAndAngles(throwerIn.posX, throwerIn.posY + (double)throwerIn.getEyeHeight(), throwerIn.posZ, throwerIn.rotationYaw, throwerIn.rotationPitch);
this.posX -= (double)(MathHelper.cos(this.rotationYaw / 180.0F * (float)Math.PI) * 0.16F);
this.posY -= 0.10000000149011612D;
this.posZ -= (double)(MathHelper.sin(this.rotationYaw / 180.0F * (float)Math.PI) * 0.16F);
this.setPosition(this.posX, this.posY, this.posZ);
float f = 0.4F;
this.motionX = (double)(-MathHelper.sin(this.rotationYaw / 180.0F * (float)Math.PI) * MathHelper.cos(this.rotationPitch / 180.0F * (float)Math.PI) * f);
this.motionZ = (double)(MathHelper.cos(this.rotationYaw / 180.0F * (float)Math.PI) * MathHelper.cos(this.rotationPitch / 180.0F * (float)Math.PI) * f);
this.motionY = (double)(-MathHelper.sin((this.rotationPitch + this.getInaccuracy()) / 180.0F * (float)Math.PI) * f);
this.setThrowableHeading(this.motionX, this.motionY, this.motionZ, this.getVelocity(), 1.0F);
}
public EntityThrowable(World worldIn, double x, double y, double p_i1778_6_)
{
super(worldIn);
this.ticksInGround = 0;
this.setSize(0.25F, 0.25F);
this.setPosition(x, y, p_i1778_6_);
}
protected float getVelocity()
{
return 1.5F;
}
protected float getInaccuracy()
{
return 0.0F;
}
/**
* Similar to setArrowHeading, it's point the throwable entity to a x, y, z direction.
*
* @param inaccuracy Higher means more error.
*/
public void setThrowableHeading(double x, double y, double z, float velocity, float inaccuracy)
{
float f2 = MathHelper.sqrt_double(x * x + y * y + z * z);
x /= (double)f2;
y /= (double)f2;
z /= (double)f2;
x += this.rand.nextGaussian() * 0.007499999832361937D * (double)inaccuracy;
y += this.rand.nextGaussian() * 0.007499999832361937D * (double)inaccuracy;
z += this.rand.nextGaussian() * 0.007499999832361937D * (double)inaccuracy;
x *= (double)velocity;
y *= (double)velocity;
z *= (double)velocity;
this.motionX = x;
this.motionY = y;
this.motionZ = z;
float f3 = MathHelper.sqrt_double(x * x + z * z);
this.prevRotationYaw = this.rotationYaw = (float)(Math.atan2(x, z) * 180.0D / Math.PI);
this.prevRotationPitch = this.rotationPitch = (float)(Math.atan2(y, (double)f3) * 180.0D / Math.PI);
this.ticksInGround = 0;
}
/**
* Sets the velocity to the args. Args: x, y, z
*/
@SideOnly(Side.CLIENT)
public void setVelocity(double x, double y, double z)
{
this.motionX = x;
this.motionY = y;
this.motionZ = z;
if (this.prevRotationPitch == 0.0F && this.prevRotationYaw == 0.0F)
{
float f = MathHelper.sqrt_double(x * x + z * z);
this.prevRotationYaw = this.rotationYaw = (float)(Math.atan2(x, z) * 180.0D / Math.PI);
this.prevRotationPitch = this.rotationPitch = (float)(Math.atan2(y, (double)f) * 180.0D / Math.PI);
}
}
/**
* Called to update the entity's position/logic.
*/
public void onUpdate()
{
this.lastTickPosX = this.posX;
this.lastTickPosY = this.posY;
this.lastTickPosZ = this.posZ;
super.onUpdate();
if (this.throwableShake > 0)
{
--this.throwableShake;
}
if (this.inGround)
{
if (this.worldObj.getBlockState(new BlockPos(this.xTile, this.yTile, this.zTile)).getBlock() == this.inTile)
{
++this.ticksInGround;
if (this.ticksInGround == 1200)
{
this.setDead();
}
return;
}
this.inGround = false;
this.motionX *= (double)(this.rand.nextFloat() * 0.2F);
this.motionY *= (double)(this.rand.nextFloat() * 0.2F);
this.motionZ *= (double)(this.rand.nextFloat() * 0.2F);
this.ticksInGround = 0;
this.ticksInAir = 0;
}
else
{
++this.ticksInAir;
}
Vec3 vec3 = new Vec3(this.posX, this.posY, this.posZ);
Vec3 vec31 = new Vec3(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);
MovingObjectPosition movingobjectposition = this.worldObj.rayTraceBlocks(vec3, vec31);
vec3 = new Vec3(this.posX, this.posY, this.posZ);
vec31 = new Vec3(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);
if (movingobjectposition != null)
{
vec31 = new Vec3(movingobjectposition.hitVec.xCoord, movingobjectposition.hitVec.yCoord, movingobjectposition.hitVec.zCoord);
}
if (!this.worldObj.isRemote)
{
Entity entity = null;
List list = this.worldObj.getEntitiesWithinAABBExcludingEntity(this, this.getEntityBoundingBox().addCoord(this.motionX, this.motionY, this.motionZ).expand(1.0D, 1.0D, 1.0D));
double d0 = 0.0D;
EntityLivingBase entitylivingbase = this.getThrower();
for (int j = 0; j < list.size(); ++j)
{
Entity entity1 = (Entity)list.get(j);
if (entity1.canBeCollidedWith() && (entity1 != entitylivingbase || this.ticksInAir >= 5))
{
float f = 0.3F;
AxisAlignedBB axisalignedbb = entity1.getEntityBoundingBox().expand((double)f, (double)f, (double)f);
MovingObjectPosition movingobjectposition1 = axisalignedbb.calculateIntercept(vec3, vec31);
if (movingobjectposition1 != null)
{
double d1 = vec3.distanceTo(movingobjectposition1.hitVec);
if (d1 < d0 || d0 == 0.0D)
{
entity = entity1;
d0 = d1;
}
}
}
}
if (entity != null)
{
movingobjectposition = new MovingObjectPosition(entity);
}
}
if (movingobjectposition != null)
{
if (movingobjectposition.typeOfHit == MovingObjectPosition.MovingObjectType.BLOCK && this.worldObj.getBlockState(movingobjectposition.getBlockPos()).getBlock() == Blocks.portal)
{
this.setInPortal();
}
else
{
this.onImpact(movingobjectposition);
}
}
this.posX += this.motionX;
this.posY += this.motionY;
this.posZ += this.motionZ;
float f1 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ);
this.rotationYaw = (float)(Math.atan2(this.motionX, this.motionZ) * 180.0D / Math.PI);
for (this.rotationPitch = (float)(Math.atan2(this.motionY, (double)f1) * 180.0D / Math.PI); this.rotationPitch - this.prevRotationPitch < -180.0F; this.prevRotationPitch -= 360.0F)
{
;
}
while (this.rotationPitch - this.prevRotationPitch >= 180.0F)
{
this.prevRotationPitch += 360.0F;
}
while (this.rotationYaw - this.prevRotationYaw < -180.0F)
{
this.prevRotationYaw -= 360.0F;
}
while (this.rotationYaw - this.prevRotationYaw >= 180.0F)
{
this.prevRotationYaw += 360.0F;
}
this.rotationPitch = this.prevRotationPitch + (this.rotationPitch - this.prevRotationPitch) * 0.2F;
this.rotationYaw = this.prevRotationYaw + (this.rotationYaw - this.prevRotationYaw) * 0.2F;
float f2 = 0.99F;
float f3 = this.getGravityVelocity();
if (this.isInWater())
{
for (int i = 0; i < 4; ++i)
{
float f4 = 0.25F;
this.worldObj.spawnParticle(EnumParticleTypes.WATER_BUBBLE, this.posX - this.motionX * (double)f4, this.posY - this.motionY * (double)f4, this.posZ - this.motionZ * (double)f4, this.motionX, this.motionY, this.motionZ, new int[0]);
}
f2 = 0.8F;
}
this.motionX *= (double)f2;
this.motionY *= (double)f2;
this.motionZ *= (double)f2;
this.motionY -= (double)f3;
this.setPosition(this.posX, this.posY, this.posZ);
}
/**
* Gets the amount of gravity to apply to the thrown entity with each tick.
*/
protected float getGravityVelocity()
{
return 0.03F;
}
/**
* Called when this EntityThrowable hits a block or entity.
*/
protected abstract void onImpact(MovingObjectPosition p_70184_1_);
/**
* (abstract) Protected helper method to write subclass entity data to NBT.
*/
public void writeEntityToNBT(NBTTagCompound tagCompound)
{
tagCompound.setShort("xTile", (short)this.xTile);
tagCompound.setShort("yTile", (short)this.yTile);
tagCompound.setShort("zTile", (short)this.zTile);
ResourceLocation resourcelocation = (ResourceLocation)Block.blockRegistry.getNameForObject(this.inTile);
tagCompound.setString("inTile", resourcelocation == null ? "" : resourcelocation.toString());
tagCompound.setByte("shake", (byte)this.throwableShake);
tagCompound.setByte("inGround", (byte)(this.inGround ? 1 : 0));
if ((this.throwerName == null || this.throwerName.length() == 0) && this.thrower instanceof EntityPlayer)
{
this.throwerName = this.thrower.getName();
}
tagCompound.setString("ownerName", this.throwerName == null ? "" : this.throwerName);
}
/**
* (abstract) Protected helper method to read subclass entity data from NBT.
*/
public void readEntityFromNBT(NBTTagCompound tagCompund)
{
this.xTile = tagCompund.getShort("xTile");
this.yTile = tagCompund.getShort("yTile");
this.zTile = tagCompund.getShort("zTile");
if (tagCompund.hasKey("inTile", )
{
this.inTile = Block.getBlockFromName(tagCompund.getString("inTile"));
}
else
{
this.inTile = Block.getBlockById(tagCompund.getByte("inTile") & 255);
}
this.throwableShake = tagCompund.getByte("shake") & 255;
this.inGround = tagCompund.getByte("inGround") == 1;
this.throwerName = tagCompund.getString("ownerName");
if (this.throwerName != null && this.throwerName.length() == 0)
{
this.throwerName = null;
}
}
public EntityLivingBase getThrower()
{
if (this.thrower == null && this.throwerName != null && this.throwerName.length() > 0)
{
this.thrower = this.worldObj.getPlayerEntityByName(this.throwerName);
}
return this.thrower;
}
}
