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Как сделать так чтобы пуля летела чисто прямо (Это ведь не первый такой вопрос на форуме?)
Я код вообще не понимаю. Помогите
Я код вообще не понимаю. Помогите
Код:
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import ru.coolmyfolken.TestMod;
import net.minecraft.block.Block;
import net.minecraft.client.Minecraft;
import net.minecraft.enchantment.EnchantmentThorns;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.IProjectile;
import net.minecraft.entity.monster.EntityBlaze;
import net.minecraft.entity.monster.EntityEnderman;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.entity.projectile.EntityThrowable;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagDouble;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.network.packet.Packet70GameEvent;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.DamageSource;
import net.minecraft.util.EnumMovingObjectType;
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 java.util.List;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.block.Block;
import net.minecraft.block.BlockGlass;
import net.minecraft.block.BlockPane;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.IProjectile;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.DamageSource;
import net.minecraft.util.MathHelper;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;
public class EntityBullet extends Entity implements IProjectile{
private EntityLivingBase shootingEntity;
private int ticksInAir = 0;
private double damage;
private int canBePickedUp;
private int ticksInGround;
public EntityBullet(World par1World){
super(par1World);
this.renderDistanceWeight = 10.0D;
this.setSize(0.5F, 0.5F);
}
public EntityBullet(World par1World, EntityLivingBase par2EntityLivingBase, EntityLivingBase par3EntityLivingBase, float par4, float par5)
{
super(par1World);
this.renderDistanceWeight = 10.0D;
this.shootingEntity = par2EntityLivingBase;
if (par2EntityLivingBase instanceof EntityPlayer)
{
this.canBePickedUp = 1;
}
this.posY = par2EntityLivingBase.posY + (double)par2EntityLivingBase.getEyeHeight() - 0.10000000149011612D;
double d0 = par3EntityLivingBase.posX - par2EntityLivingBase.posX;
double d1 = par3EntityLivingBase.boundingBox.minY + (double)(par3EntityLivingBase.height / 3.0F) - this.posY;
double d2 = par3EntityLivingBase.posZ - par2EntityLivingBase.posZ;
double d3 = (double)MathHelper.sqrt_double(d0 * d0 + d2 * d2);
if (d3 >= 1.0E-7D)
{
float f2 = (float)(Math.atan2(d2, d0) * 180.0D / Math.PI) - 90.0F;
float f3 = (float)(-(Math.atan2(d1, d3) * 180.0D / Math.PI));
double d4 = d0 / d3;
double d5 = d2 / d3;
this.setLocationAndAngles(par2EntityLivingBase.posX + d4, this.posY, par2EntityLivingBase.posZ + d5, f2, f3);
this.yOffset = 0.0F;
float f4 = (float)d3 * 0.2F;
this.setThrowableHeading(d0, d1 + (double)f4, d2, par4, par5);
}
}
public EntityBullet(World par1World, EntityLivingBase par2EntityLivingBase, float par3)
{
super(par1World);
this.renderDistanceWeight = 10.0D;
this.shootingEntity = par2EntityLivingBase;
if (par2EntityLivingBase instanceof EntityPlayer)
{
this.canBePickedUp = 1;
}
this.setSize(0.5F, 0.5F);
this.setLocationAndAngles(par2EntityLivingBase.posX, par2EntityLivingBase.posY + (double)par2EntityLivingBase.getEyeHeight(), par2EntityLivingBase.posZ, par2EntityLivingBase.rotationYaw, par2EntityLivingBase.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);
this.yOffset = 0.0F;
this.motionX = (double)(-MathHelper.sin(this.rotationYaw / 180.0F * (float)Math.PI) * MathHelper.cos(this.rotationPitch / 180.0F * (float)Math.PI));
this.motionZ = (double)(MathHelper.cos(this.rotationYaw / 180.0F * (float)Math.PI) * MathHelper.cos(this.rotationPitch / 180.0F * (float)Math.PI));
this.motionY = (double)(-MathHelper.sin(this.rotationPitch / 180.0F * (float)Math.PI));
this.setThrowableHeading(this.motionX, this.motionY, this.motionZ, par3 * 1.5F, 1.0F);
}
/**
* Similar to setArrowHeading, it's point the throwable entity to a x, y, z direction.
*/
public void setThrowableHeading(double par1, double par3, double par5, float par7, float par8)
{
float f2 = MathHelper.sqrt_double(par1 * par1 + par3 * par3 + par5 * par5);
par1 /= (double)f2;
par3 /= (double)f2;
par5 /= (double)f2;
par1 += this.rand.nextGaussian() * (double)(this.rand.nextBoolean() ? -1 : 1) * 0.007499999832361937D * (double)par8;
par3 += this.rand.nextGaussian() * (double)(this.rand.nextBoolean() ? -1 : 1) * 0.007499999832361937D * (double)par8;
par5 += this.rand.nextGaussian() * (double)(this.rand.nextBoolean() ? -1 : 1) * 0.007499999832361937D * (double)par8;
par1 *= (double)par7;
par3 *= (double)par7;
par5 *= (double)par7;
this.motionX = par1;
this.motionY = par3;
this.motionZ = par5;
float f3 = MathHelper.sqrt_double(par1 * par1 + par5 * par5);
this.prevRotationYaw = this.rotationYaw = (float)(Math.atan2(par1, par5) * 180.0D / Math.PI);
this.prevRotationPitch = this.rotationPitch = (float)(Math.atan2(par3, (double)f3) * 180.0D / Math.PI);
this.ticksInGround = 0;
}
@SideOnly(Side.CLIENT)
public void setPositionAndRotation2(double par1, double par3, double par5, float par7, float par8, int par9)
{
this.setPosition(par1, par3, par5);
this.setRotation(par7, par8);
}
@SideOnly(Side.CLIENT)
public void setVelocity(double par1, double par3, double par5)
{
this.motionX = par1;
this.motionY = par3;
this.motionZ = par5;
if (this.prevRotationPitch == 0.0F && this.prevRotationYaw == 0.0F)
{
float f = MathHelper.sqrt_double(par1 * par1 + par5 * par5);
this.prevRotationYaw = this.rotationYaw = (float)(Math.atan2(par1, par5) * 180.0D / Math.PI);
this.prevRotationPitch = this.rotationPitch = (float)(Math.atan2(par3, (double)f) * 180.0D / Math.PI);
this.prevRotationPitch = this.rotationPitch;
this.prevRotationYaw = this.rotationYaw;
this.setLocationAndAngles(this.posX, this.posY, this.posZ, this.rotationYaw, this.rotationPitch);
}
}
public void onUpdate(){
super.onUpdate();
if (this.prevRotationPitch == 0.0F && this.prevRotationYaw == 0.0F)
{
float f = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ);
this.prevRotationYaw = this.rotationYaw = (float)(Math.atan2(this.motionX, this.motionZ) * 180.0D / Math.PI);
this.prevRotationPitch = this.rotationPitch = (float)(Math.atan2(this.motionY, (double)f) * 180.0D / Math.PI);
}
++this.ticksInAir;
Vec3 vec3 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX, this.posY, this.posZ);
Vec3 vec31 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);
MovingObjectPosition movingobjectposition = this.worldObj.rayTraceBlocks_do_do(vec3, vec31, false, true);
vec3 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX, this.posY, this.posZ);
vec31 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);
if (movingobjectposition != null)
{
vec31 = this.worldObj.getWorldVec3Pool().getVecFromPool(movingobjectposition.hitVec.xCoord, movingobjectposition.hitVec.yCoord, movingobjectposition.hitVec.zCoord);
}
Entity entity = null;
List list = this.worldObj.getEntitiesWithinAABBExcludingEntity(this, this.boundingBox.addCoord(this.motionX, this.motionY, this.motionZ).expand(1.0D, 1.0D, 1.0D));
double d0 = 0.0D;
int l;
float f1;
for (l = 0; l < list.size(); ++l)
{
Entity entity1 = (Entity)list.get(l);
if (entity1.canBeCollidedWith() && (entity1 != this.shootingEntity || this.ticksInAir >= 5))
{
f1 = 0.3F;
AxisAlignedBB axisalignedbb1 = entity1.boundingBox.expand((double)f1, (double)f1, (double)f1);
MovingObjectPosition movingobjectposition1 = axisalignedbb1.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 && movingobjectposition.entityHit != null && movingobjectposition.entityHit instanceof EntityPlayer)
{
EntityPlayer entityplayer = (EntityPlayer)movingobjectposition.entityHit;
if (entityplayer.capabilities.disableDamage || this.shootingEntity instanceof EntityPlayer && !((EntityPlayer)this.shootingEntity).canAttackPlayer(entityplayer))
{
movingobjectposition = null;
}
}
float f2;
float f3;
if (movingobjectposition != null)
{
if (movingobjectposition.entityHit != null)
{
DamageSource damagesource = null;
if (this.shootingEntity == null)
{
damagesource = DamageSource.causeThrownDamage(this, this);
}
else
{
damagesource = DamageSource.causeThrownDamage(this, this.shootingEntity);
}
movingobjectposition.entityHit.attackEntityFrom(damagesource, 12.0f);
worldObj.removeEntity(this);
}
else
{
Block type = Block.blocksList[worldObj.getBlockId(movingobjectposition.blockX, movingobjectposition.blockY, movingobjectposition.blockZ)];
for(int x = 0; x < 3; x++){
worldObj.spawnParticle("tilecrack_"+type.blockID+"_"+this.worldObj.getBlockMetadata(movingobjectposition.blockX, movingobjectposition.blockY, movingobjectposition.blockZ), this.posX, this.posY, this.posZ, this.motionX, this.motionY, this.motionZ);
}
worldObj.removeEntity(this);
}
}
this.posX += this.motionX;
this.posY += this.motionY;
this.posZ += this.motionZ;
f2 = 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)f2) * 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 f4 = 0.99F;
f1 = 0.01F;
if (this.isInWater())
{
for (int j1 = 0; j1 < 4; ++j1)
{
f3 = 0.25F;
this.worldObj.spawnParticle("bubble", this.posX - this.motionX * (double)f3, this.posY - this.motionY * (double)f3, this.posZ - this.motionZ * (double)f3, this.motionX, this.motionY, this.motionZ);
}
f4 = 0.8F;
}
this.motionX *= (double)f4;
this.motionY *= (double)f4;
this.motionZ *= (double)f4;
this.motionY -= (double)f1;
this.setPosition(this.posX, this.posY, this.posZ);
this.doBlockCollisions();
}
@Override
protected void entityInit() {
}
@Override
protected void readEntityFromNBT(NBTTagCompound nbttagcompound) {
}
@Override
protected void writeEntityToNBT(NBTTagCompound nbttagcompound) {
}