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Yatopia/patches/server/0029-Akarin-updated-Async-Path-Finding.patch
Bud Gidiere b09c8c6018 upstream patches
2020-08-07 09:22:32 -05:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: tsao chi <tsao-chi@the-lingo.org>
Date: Sun, 2 Aug 2020 12:25:52 -0500
Subject: [PATCH] Akarin updated Async Path Finding
Co-authored-by: Bud Gidiere <sgidiere@gmail.com>
diff --git a/src/main/java/net/minecraft/server/EntityBee.java b/src/main/java/net/minecraft/server/EntityBee.java
index e6868e2b65e3c2bde7696272b242a47e7394e27f..c4c3ef500b9b8465644a0b7712f43ba35ad3acc1 100644
--- a/src/main/java/net/minecraft/server/EntityBee.java
+++ b/src/main/java/net/minecraft/server/EntityBee.java
@@ -445,9 +445,9 @@ public class EntityBee extends EntityAnimal implements IEntityAngerable, EntityB
}
@Override
- public void c() {
+ public void tickAsync() {
if (!EntityBee.this.bJ.k()) {
- super.c();
+ super.tickAsync();
}
}
};
diff --git a/src/main/java/net/minecraft/server/EntityInsentient.java b/src/main/java/net/minecraft/server/EntityInsentient.java
index 691a4ebc3f267bab375fb2bc83deac9ea825a232..7c9bb358c9967e6c7c02b96e17764f2418df7979 100644
--- a/src/main/java/net/minecraft/server/EntityInsentient.java
+++ b/src/main/java/net/minecraft/server/EntityInsentient.java
@@ -757,7 +757,7 @@ public abstract class EntityInsentient extends EntityLiving {
this.goalSelector.doTick();
//this.world.getMethodProfiler().exit(); // Akarin - remove caller
//this.world.getMethodProfiler().enter("navigation"); // Akarin - remove caller
- this.navigation.c();
+ this.navigation.tickAsync(); // Akarin - Async pathfinder
//this.world.getMethodProfiler().exit(); // Akarin - remove caller
//this.world.getMethodProfiler().enter("mob tick"); // Akarin - remove caller
this.mobTick();
diff --git a/src/main/java/net/minecraft/server/Navigation.java b/src/main/java/net/minecraft/server/Navigation.java
index 681465d8a74831461dce4615d2d19c7ed46bc299..f04411a2a295d2a982dca5851ae76a80a6a83585 100644
--- a/src/main/java/net/minecraft/server/Navigation.java
+++ b/src/main/java/net/minecraft/server/Navigation.java
@@ -183,7 +183,7 @@ public class Navigation extends NavigationAbstract {
double d3 = (double) j2 + 0.5D - vec3d.z;
if (d2 * d0 + d3 * d1 >= 0.0D) {
- PathType pathtype = this.o.a(this.b, i2, j - 1, j2, this.a, l, i1, j1, true, true);
+ PathType pathtype = this.o.a(this.o.a, i2, j - 1, j2, this.a, l, i1, j1, true, true); // Akarin - use chunk cache
if (!this.a(pathtype)) {
return false;
diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
index 2405dc5e9a6a971a565c37710b61d5fc4737bdf8..2dac507e9e0044a32ae54ea57eada0de04c1467d 100644
--- a/src/main/java/net/minecraft/server/NavigationAbstract.java
+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
@@ -28,6 +28,15 @@ public abstract class NavigationAbstract {
private int q;
private float r;
private final Pathfinder s; public Pathfinder getPathfinder() { return this.s; } // Paper - OBFHELPER
+ // Akarin start - Async pathfinder
+ private long lastPathfindAsync;
+ private static final java.util.concurrent.ExecutorService pathfindExecutor =
+ java.util.concurrent.Executors.newSingleThreadExecutor(
+ new com.google.common.util.concurrent.ThreadFactoryBuilder()
+ .setDaemon(true)
+ .setNameFormat("StarLink Pathfinder - %d")
+ .build());
+ // Akarin end
// Tuinity start
public boolean isViableForPathRecalculationChecking() {
@@ -83,7 +92,40 @@ public abstract class NavigationAbstract {
}
}
+ // Akarin start - Async pathfinder, copied from above with modification
+ public void doPathfindAsync() {
+ if (this.b.getTime() - this.lastPathfindAsync > 20L) {
+ if (this.p != null) {
+ this.lastPathfindAsync = this.b.getTime();
+
+ // Bake chunk cache
+ float f = (float) this.a.b(GenericAttributes.FOLLOW_RANGE);;
+ BlockPosition blockposition = this.a.getChunkCoordinates();
+ int k = (int) (f + (float) 8);
+ ChunkCache cache = new ChunkCache(this.b, blockposition.b(-k, -k, -k), blockposition.b(k, k, k));
+
+ // Execute directly if we already have a path entity, or compute one
+ if (this.c != null && !this.c.b()) {
+ doTickAsync(this.c);
+ return;
+ }
+ pathfindExecutor.execute(() -> {
+ PathEntity result = findPathAsync(cache, java.util.Collections.singleton(this.p), this.q);
+ NavigationAbstract.this.b.getMinecraftServer().processQueue.add(() -> {
+ if (result != null && result.m() != null)
+ this.p = result.m();
+
+ NavigationAbstract.this.c = result;
+ });
+ });
+ }
+ } else {
+ // Execute directly, keep behaviour with vanilla, see the original doTick method
+ doTickAsync(this.c);
+ }
+ }
+ // Akarin end
@Nullable
public final PathEntity calculateDestination(double d0, double d1, double d2) { return a(d0, d1, d2, 0); } public final PathEntity a(double d0, double d1, double d2, int i) { // Paper - OBFHELPER
return this.a(new BlockPosition(d0, d1, d2), i);
@@ -164,7 +206,17 @@ public abstract class NavigationAbstract {
return pathentity;
}
}
-
+ // Akarin start - Async pathfinder, copied and edited from above with only pathfinding
+ protected PathEntity findPathAsync(ChunkCache cache, Set<BlockPosition> set, int j) {
+ if (this.a.locY() < 0.0D) {
+ return null;
+ } else if (!this.a()) {
+ return null;
+ } else {
+ return this.s.a(cache, this.a, set, f, j, this.r);
+ }
+ }
+ // Akarin end
public boolean a(double d0, double d1, double d2, double d3) {
return this.a(this.a(d0, d1, d2, 1), d3);
}
@@ -228,7 +280,7 @@ public abstract class NavigationAbstract {
return this.c;
}
- public void c() {
+/* public void c() {
++this.e;
if (this.m) {
this.j();
@@ -238,7 +290,7 @@ public abstract class NavigationAbstract {
Vec3D vec3d;
if (this.a()) {
- this.l();
+ //this.l();
} else if (this.c != null && this.c.f() < this.c.e()) {
vec3d = this.b();
Vec3D vec3d1 = this.c.a(this.a, this.c.f());
@@ -256,9 +308,44 @@ public abstract class NavigationAbstract {
this.a.getControllerMove().a(vec3d.x, this.b.getType(blockposition.down()).isAir() ? vec3d.y : PathfinderNormal.a((IBlockAccess) this.b, blockposition), vec3d.z, this.d);
}
}
+ }*/
+ //Yatopia Start
+ public void c() {
+ this.tickAsync();
+ }
+ //Yatopia End
+ // Akarin start - Async pathfinder, copied from above
+ public void tickAsync() {
+ ++this.e;
+ this.doPathfindAsync();
}
- protected void l() {
+ // This was copied from above partly with param
+ public void doTickAsync(PathEntity pathEntity) {
+ if (shouldContinuePathfind(pathEntity))
+ return;
+
+ Vec3D vec3d;
+ if (this.a()) {
+ this.applyPath(pathEntity);
+ } else if (pathEntity.f() < pathEntity.e()) {
+ vec3d = this.b();
+ Vec3D vec3d1 = pathEntity.a(this.a, pathEntity.f());
+
+ if (vec3d.y > vec3d1.y && !this.a.isOnGround() && MathHelper.floor(vec3d.x) == MathHelper.floor(vec3d1.x) && MathHelper.floor(vec3d.z) == MathHelper.floor(vec3d1.z)) {
+ pathEntity.c(pathEntity.f() + 1);
+ }
+ }
+
+ if (shouldContinuePathfind(pathEntity))
+ return;
+ //PacketDebug.a(this.b, this.a, pathEntity, this.l);
+ vec3d = pathEntity.a((Entity) this.a);
+ BlockPosition blockposition = new BlockPosition(vec3d);
+
+ this.a.getControllerMove().a(vec3d.x, this.b.getType(blockposition.down()).isAir() ? vec3d.y : PathfinderNormal.a((IBlockAccess) this.b, blockposition), vec3d.z, this.d);
+ }
+/* protected void l() {
Vec3D vec3d = this.b();
this.l = this.a.getWidth() > 0.75F ? this.a.getWidth() / 2.0F : 0.75F - this.a.getWidth() / 2.0F;
@@ -273,8 +360,26 @@ public abstract class NavigationAbstract {
}
this.a(vec3d);
- }
+ }*/
+
+ // Akarin start - Async pathfinder, copied from above with param
+ protected void applyPath(PathEntity pathEntity) {
+ Vec3D vec3d = this.b();
+
+ this.l = this.a.getWidth() > 0.75F ? this.a.getWidth() / 2.0F : 0.75F - this.a.getWidth() / 2.0F;
+ BaseBlockPosition baseblockposition = pathEntity.g();
+ double d0 = Math.abs(this.a.locX() - ((double) baseblockposition.getX() + 0.5D));
+ double d1 = Math.abs(this.a.locY() - (double) baseblockposition.getY());
+ double d2 = Math.abs(this.a.locZ() - ((double) baseblockposition.getZ() + 0.5D));
+ boolean flag = d0 < (double) this.l && d2 < (double) this.l && d1 < 1.0D;
+ if (flag || this.a.b(pathEntity.h().l) && this.b(vec3d)) {
+ pathEntity.c(pathEntity.f() + 1);
+ }
+
+ this.applyPath0(pathEntity, vec3d);
+ }
+ // Akarin end
private boolean b(Vec3D vec3d) {
if (this.c.e() <= this.c.f() + 1) {
return false;
@@ -324,7 +429,39 @@ public abstract class NavigationAbstract {
}
}
+ // Akarin start - Async pathfinder, copied from above with param
+ protected void applyPath0(PathEntity pathEntity, Vec3D vec3d) {
+ if (this.e - this.f > 100) {
+ if (vec3d.distanceSquared(this.g) < 2.25D) {
+ this.o();
+ }
+
+ this.f = this.e;
+ this.g = vec3d;
+ }
+
+ if (!pathEntity.b()) {
+ BaseBlockPosition baseblockposition = pathEntity.g();
+
+ if (baseblockposition.equals(this.h)) {
+ this.i += SystemUtils.getMonotonicMillis() - this.j;
+ } else {
+ this.h = baseblockposition;
+ double d0 = vec3d.f(Vec3D.c(this.h));
+
+ this.k = this.a.dM() > 0.0F ? d0 / (double) this.a.dM() * 1000.0D : 0.0D;
+ }
+
+ if (this.k > 0.0D && (double) this.i > this.k * 3.0D) {
+ this.e();
+ this.o();
+ }
+
+ this.j = SystemUtils.getMonotonicMillis();
+ }
+ }
+ // Akarin end
private void e() {
this.h = BaseBlockPosition.ZERO;
this.i = 0L;
@@ -389,7 +526,11 @@ public abstract class NavigationAbstract {
public boolean r() {
return this.o.e();
}
-
+ // Akarin start - Async pathfinder, copied from above with param
+ public static boolean shouldContinuePathfind(PathEntity pathEntity) {
+ return pathEntity == null || pathEntity.b();
+ }
+ // Akarin end
public void b(BlockPosition blockposition) {
if (this.c != null && !this.c.b() && this.c.e() != 0) { // Tuinity - diff on change - needed for isViableForPathRecalculationChecking()
PathPoint pathpoint = this.c.c();
diff --git a/src/main/java/net/minecraft/server/NavigationFlying.java b/src/main/java/net/minecraft/server/NavigationFlying.java
index 0c33a0c9d59d79a39826b5ee14144604717ffebe..cf3f4c1a2a89cce0345566a62faa34ef7e93c603 100644
--- a/src/main/java/net/minecraft/server/NavigationFlying.java
+++ b/src/main/java/net/minecraft/server/NavigationFlying.java
@@ -28,7 +28,7 @@ public class NavigationFlying extends NavigationAbstract {
return this.a(entity.getChunkCoordinates(), entity, i); // Paper - Forward target entity
}
- @Override
+/* @Override
public void c() {
++this.e;
if (this.m) {
@@ -53,6 +53,31 @@ public class NavigationFlying extends NavigationAbstract {
this.a.getControllerMove().a(vec3d.x, vec3d.y, vec3d.z, this.d);
}
}
+ }*/
+
+ // This was copied from above partly with param
+ @Override
+ public void doTickAsync(PathEntity pathEntity) {
+ if (shouldContinuePathfind(pathEntity))
+ return;
+
+ Vec3D vec3d;
+ if (this.a()) {
+ this.applyPath(pathEntity);
+ } else if (pathEntity != null && pathEntity.f() < pathEntity.e()) {
+ vec3d = pathEntity.a(this.a, pathEntity.f());
+ if (MathHelper.floor(this.a.locX()) == MathHelper.floor(vec3d.x) && MathHelper.floor(this.a.locY()) == MathHelper.floor(vec3d.y) && MathHelper.floor(this.a.locZ()) == MathHelper.floor(vec3d.z)) {
+ pathEntity.c(pathEntity.f() + 1);
+ }
+ }
+
+ if (shouldContinuePathfind(pathEntity))
+ return;
+ //PacketDebug.a(this.b, this.a, pathEntity, this.l);
+ vec3d = pathEntity.a((Entity) this.a);
+ BlockPosition blockposition = new BlockPosition(vec3d);
+
+ this.a.getControllerMove().a(vec3d.x, vec3d.y, vec3d.z, this.d);
}
@Override
diff --git a/src/main/java/net/minecraft/server/Pathfinder.java b/src/main/java/net/minecraft/server/Pathfinder.java
index 997982136cdd2a0d922e501473e0d4d1aabf567a..9b2d23ef1c9369cf15f9f12161c28199fbf4f373 100644
--- a/src/main/java/net/minecraft/server/Pathfinder.java
+++ b/src/main/java/net/minecraft/server/Pathfinder.java
@@ -26,7 +26,7 @@ public class Pathfinder {
}
@Nullable
- public PathEntity a(ChunkCache chunkcache, EntityInsentient entityinsentient, Set<BlockPosition> set, float f, int i, float f1) {
+ public synchronized PathEntity a(ChunkCache chunkcache, EntityInsentient entityinsentient, Set<BlockPosition> set, float f, int i, float f1) { // Akarin - synchronized
this.d.a();
this.c.a(chunkcache, entityinsentient);
PathPoint pathpoint = this.c.b();
diff --git a/src/main/java/net/minecraft/server/PathfinderTurtle.java b/src/main/java/net/minecraft/server/PathfinderTurtle.java
index cea160885783e8666b616375eac44ba6d1880e1f..9598563b4f97500fd3fba0165813d564d9c96c4f 100644
--- a/src/main/java/net/minecraft/server/PathfinderTurtle.java
+++ b/src/main/java/net/minecraft/server/PathfinderTurtle.java
@@ -148,7 +148,7 @@ public class PathfinderTurtle extends PathfinderNormal {
if (pathtype == PathType.OPEN) {
AxisAlignedBB axisalignedbb = new AxisAlignedBB((double) i - d2 + 0.5D, (double) j + 0.001D, (double) k - d2 + 0.5D, (double) i + d2 + 0.5D, (double) ((float) j + this.b.getHeight()), (double) k + d2 + 0.5D);
- if (!this.b.world.getCubes(this.b, axisalignedbb)) {
+ if (!this.a.getCubes(this.b, axisalignedbb)) { // Akarin - use chunk cache
return null;
}
diff --git a/src/main/java/net/minecraft/server/PathfinderWater.java b/src/main/java/net/minecraft/server/PathfinderWater.java
index fba6692a1e537b90e20aa448567c0ad6db653332..d576edc8c30288e98aeda8f1cb561b22c6b37536 100644
--- a/src/main/java/net/minecraft/server/PathfinderWater.java
+++ b/src/main/java/net/minecraft/server/PathfinderWater.java
@@ -63,7 +63,7 @@ public class PathfinderWater extends PathfinderAbstract {
@Override
protected PathPoint a(int i, int j, int k) {
PathPoint pathpoint = null;
- PathType pathtype = this.a(this.b.world, i, j, k);
+ PathType pathtype = this.a(this.a, i, j, k); // Akarin - use chunk cache
float f = this.b.a(pathtype);
if (f >= 0.0F) {
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