PaperMC/src/main/java/net/minecraft/server/EntityArrow.java

287 lines
9.6 KiB
Java

package net.minecraft.server;
import java.util.List;
// CraftBukkit start
import org.bukkit.craftbukkit.entity.CraftArrow;
import org.bukkit.craftbukkit.CraftServer;
import org.bukkit.event.entity.EntityDamageByProjectileEvent;
import org.bukkit.event.entity.EntityDamageEvent;
import org.bukkit.event.entity.EntityDamageEvent.DamageCause;
// CraftBukkit end
public class EntityArrow extends Entity {
private int c;
private int d;
private int e;
private int f;
private boolean ak;
public int a;
public EntityLiving b;
private int al;
private int am;
public EntityArrow(World world) {
super(world);
c = -1;
d = -1;
e = -1;
f = 0;
ak = false;
a = 0;
am = 0;
a(0.5F, 0.5F);
// CraftBukkit start
CraftServer server = ((WorldServer) this.l).getServer();
this.bukkitEntity = new CraftArrow(server, this);
// CraftBukkit end
}
public EntityArrow(World world, double d1, double d2, double d3) {
// CraftBukkit start
this(world);
// CraftBukkit end
a(d1, d2, d3);
H = 0.0F;
}
public EntityArrow(World world, EntityLiving entityliving) {
// CraftBukkit start
this(world);
// CraftBukkit end
b = entityliving;
c(entityliving.p, entityliving.q + (double) entityliving.w(), entityliving.r, entityliving.v, entityliving.w);
p -= MathHelper.b((v / 180F) * 3.141593F) * 0.16F;
q -= 0.10000000149011612D;
r -= MathHelper.a((v / 180F) * 3.141593F) * 0.16F;
a(p, q, r);
H = 0.0F;
s = -MathHelper.a((v / 180F) * 3.141593F) * MathHelper.b((w / 180F) * 3.141593F);
u = MathHelper.b((v / 180F) * 3.141593F) * MathHelper.b((w / 180F) * 3.141593F);
t = -MathHelper.a((w / 180F) * 3.141593F);
a(s, t, u, 1.5F, 1.0F);
}
protected void a() {}
public void a(double d1, double d2, double d3, float f1, float f2) {
float f3 = MathHelper.a(d1 * d1 + d2 * d2 + d3 * d3);
d1 /= f3;
d2 /= f3;
d3 /= f3;
d1 += W.nextGaussian() * 0.0074999998323619366D * (double) f2;
d2 += W.nextGaussian() * 0.0074999998323619366D * (double) f2;
d3 += W.nextGaussian() * 0.0074999998323619366D * (double) f2;
d1 *= f1;
d2 *= f1;
d3 *= f1;
s = d1;
t = d2;
u = d3;
float f4 = MathHelper.a(d1 * d1 + d3 * d3);
x = v = (float) ((Math.atan2(d1, d3) * 180D) / 3.1415927410125732D);
y = w = (float) ((Math.atan2(d2, f4) * 180D) / 3.1415927410125732D);
al = 0;
}
public void b_() {
super.b_();
if (y == 0.0F && x == 0.0F) {
float f1 = MathHelper.a(s * s + u * u);
x = v = (float) ((Math.atan2(s, u) * 180D) / 3.1415927410125732D);
y = w = (float) ((Math.atan2(t, f1) * 180D) / 3.1415927410125732D);
}
if (a > 0) {
a--;
}
if (ak) {
int i = l.a(c, d, e);
if (i != f) {
ak = false;
s *= W.nextFloat() * 0.2F;
t *= W.nextFloat() * 0.2F;
u *= W.nextFloat() * 0.2F;
al = 0;
am = 0;
} else {
al++;
if (al == 1200) {
q();
}
return;
}
} else {
am++;
}
Vec3D vec3d = Vec3D.b(p, q, r);
Vec3D vec3d1 = Vec3D.b(p + s, q + t, r + u);
MovingObjectPosition movingobjectposition = l.a(vec3d, vec3d1);
vec3d = Vec3D.b(p, q, r);
vec3d1 = Vec3D.b(p + s, q + t, r + u);
if (movingobjectposition != null) {
vec3d1 = Vec3D.b(movingobjectposition.f.a, movingobjectposition.f.b, movingobjectposition.f.c);
}
Entity entity = null;
List list = l.b(((Entity) (this)), z.a(s, t, u).b(1.0D, 1.0D, 1.0D));
double d1 = 0.0D;
for (int j = 0; j < list.size(); j++) {
Entity entity1 = (Entity) list.get(j);
if (!entity1.c_() || entity1 == b && am < 5) {
continue;
}
float f5 = 0.3F;
AxisAlignedBB axisalignedbb = entity1.z.b(f5, f5, f5);
MovingObjectPosition movingobjectposition1 = axisalignedbb.a(vec3d, vec3d1);
if (movingobjectposition1 == null) {
continue;
}
double d2 = vec3d.a(movingobjectposition1.f);
if (d2 < d1 || d1 == 0.0D) {
entity = entity1;
d1 = d2;
}
}
if (entity != null) {
movingobjectposition = new MovingObjectPosition(entity);
}
if (movingobjectposition != null) {
if (movingobjectposition.g != null) {
// CraftBukkit start
boolean bounce;
if (entity instanceof EntityLiving) {
CraftServer server = ((WorldServer) this.l).getServer();
//TODO decide if we should create DamageCause.ARROW, DamageCause.PROJECTILE
// or leave as DamageCause.ENTITY_ATTACK
org.bukkit.entity.Entity shooter = (b == null)?null:b.getBukkitEntity();
org.bukkit.entity.Entity damagee = movingobjectposition.g.getBukkitEntity();
org.bukkit.entity.Entity projectile = this.getBukkitEntity();
// TODO deal with arrows being fired from a non-entity
DamageCause damageCause = EntityDamageEvent.DamageCause.ENTITY_ATTACK;
int damage = 4;
EntityDamageByProjectileEvent edbpe = new EntityDamageByProjectileEvent(shooter, damagee, projectile, damageCause, damage);
server.getPluginManager().callEvent(edbpe);
if(!edbpe.isCancelled()) {
// this function returns if the arrow should stick in or not, i.e. !bounce
bounce = !movingobjectposition.g.a(((Entity) (b)), edbpe.getDamage());
} else {
// event was cancelled, get if the arrow should bounce or not
bounce = edbpe.getBounce();
}
} else {
bounce = !movingobjectposition.g.a(((Entity) (b)), 4);
}
if (!bounce) {
// CraftBukkit end
l.a(((Entity) (this)), "random.drr", 1.0F, 1.2F / (W.nextFloat() * 0.2F + 0.9F));
q();
} else {
s *= -0.10000000149011612D;
t *= -0.10000000149011612D;
u *= -0.10000000149011612D;
v += 180F;
x += 180F;
am = 0;
}
} else {
c = movingobjectposition.b;
d = movingobjectposition.c;
e = movingobjectposition.d;
f = l.a(c, d, e);
s = (float) (movingobjectposition.f.a - p);
t = (float) (movingobjectposition.f.b - q);
u = (float) (movingobjectposition.f.c - r);
float f2 = MathHelper.a(s * s + t * t + u * u);
p -= (s / (double) f2) * 0.05000000074505806D;
q -= (t / (double) f2) * 0.05000000074505806D;
r -= (u / (double) f2) * 0.05000000074505806D;
l.a(((Entity) (this)), "random.drr", 1.0F, 1.2F / (W.nextFloat() * 0.2F + 0.9F));
ak = true;
a = 7;
}
}
p += s;
q += t;
r += u;
float f3 = MathHelper.a(s * s + u * u);
v = (float) ((Math.atan2(s, u) * 180D) / 3.1415927410125732D);
for (w = (float) ((Math.atan2(t, f3) * 180D) / 3.1415927410125732D); w - y < -180F; y -= 360F) {
;
}
for (; w - y >= 180F; y += 360F) {
;
}
for (; v - x < -180F; x -= 360F) {
;
}
for (; v - x >= 180F; x += 360F) {
;
}
w = y + (w - y) * 0.2F;
v = x + (v - x) * 0.2F;
float f4 = 0.99F;
float f6 = 0.03F;
if (v()) {
for (int k = 0; k < 4; k++) {
float f7 = 0.25F;
l.a("bubble", p - s * (double) f7, q - t * (double) f7, r - u * (double) f7, s, t, u);
}
f4 = 0.8F;
}
s *= f4;
t *= f4;
u *= f4;
t -= f6;
a(p, q, r);
}
public void a(NBTTagCompound nbttagcompound) {
nbttagcompound.a("xTile", (short) c);
nbttagcompound.a("yTile", (short) d);
nbttagcompound.a("zTile", (short) e);
nbttagcompound.a("inTile", (byte) f);
nbttagcompound.a("shake", (byte) a);
nbttagcompound.a("inGround", (byte) (ak ? 1 : 0));
}
public void b(NBTTagCompound nbttagcompound) {
c = ((int) (nbttagcompound.c("xTile")));
d = ((int) (nbttagcompound.c("yTile")));
e = ((int) (nbttagcompound.c("zTile")));
f = nbttagcompound.b("inTile") & 0xff;
a = nbttagcompound.b("shake") & 0xff;
ak = nbttagcompound.b("inGround") == 1;
}
public void b(EntityPlayer entityplayer) {
if (l.z) {
return;
}
if (ak && b == entityplayer && a <= 0 && entityplayer.an.a(new ItemStack(Item.j, 1))) {
l.a(((Entity) (this)), "random.pop", 0.2F, ((W.nextFloat() - W.nextFloat()) * 0.7F + 1.0F) * 2.0F);
entityplayer.c(((Entity) (this)), 1);
q();
}
}
}