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Optimize Pathfinding

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Aikar 2016-02-13 19:25:23 -06:00 committed by Zach Brown
parent 505386c5cb
commit e1db75896c
2 changed files with 523 additions and 2 deletions
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457
Spigot-Server-Patches/0003-mc-dev-imports.patch
View file

@ -1,4 +1,4 @@
From ef451696bb6004f2d3467750038f2010f52a04b2 Mon Sep 17 00:00:00 2001
From 4b137c6b41c6fb9c38e2cd48b09f6bdab46ddfe7 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Mon, 25 May 2015 15:37:00 -0500
Subject: [PATCH] mc-dev imports
@ -3178,6 +3178,234 @@ index 0000000..620685a
+ return this.id == MobEffectList.WEAKNESS.id ? (double) (-0.5F * (float) (i + 1)) : 1.3D * (double) (i + 1);
+ }
+}
diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
new file mode 100644
index 0000000..d5eaa24
--- /dev/null
+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
@@ -0,0 +1,222 @@
+package net.minecraft.server;
+
+import java.util.Iterator;
+import java.util.List;
+
+public abstract class NavigationAbstract {
+
+ protected EntityInsentient b;
+ protected World c;
+ protected PathEntity d;
+ protected double e;
+ private final AttributeInstance a;
+ private int f;
+ private int g;
+ private Vec3D h = new Vec3D(0.0D, 0.0D, 0.0D);
+ private float i = 1.0F;
+ private final Pathfinder j;
+
+ public NavigationAbstract(EntityInsentient entityinsentient, World world) {
+ this.b = entityinsentient;
+ this.c = world;
+ this.a = entityinsentient.getAttributeInstance(GenericAttributes.FOLLOW_RANGE);
+ this.j = this.a();
+ }
+
+ protected abstract Pathfinder a();
+
+ public void a(double d0) {
+ this.e = d0;
+ }
+
+ public float i() {
+ return (float) this.a.getValue();
+ }
+
+ public final PathEntity a(double d0, double d1, double d2) {
+ return this.a(new BlockPosition(MathHelper.floor(d0), (int) d1, MathHelper.floor(d2)));
+ }
+
+ public PathEntity a(BlockPosition blockposition) {
+ if (!this.b()) {
+ return null;
+ } else {
+ float f = this.i();
+
+ this.c.methodProfiler.a("pathfind");
+ BlockPosition blockposition1 = new BlockPosition(this.b);
+ int i = (int) (f + 8.0F);
+ ChunkCache chunkcache = new ChunkCache(this.c, blockposition1.a(-i, -i, -i), blockposition1.a(i, i, i), 0);
+ PathEntity pathentity = this.j.a((IBlockAccess) chunkcache, (Entity) this.b, blockposition, f);
+
+ this.c.methodProfiler.b();
+ return pathentity;
+ }
+ }
+
+ public boolean a(double d0, double d1, double d2, double d3) {
+ PathEntity pathentity = this.a((double) MathHelper.floor(d0), (double) ((int) d1), (double) MathHelper.floor(d2));
+
+ return this.a(pathentity, d3);
+ }
+
+ public void a(float f) {
+ this.i = f;
+ }
+
+ public PathEntity a(Entity entity) {
+ if (!this.b()) {
+ return null;
+ } else {
+ float f = this.i();
+
+ this.c.methodProfiler.a("pathfind");
+ BlockPosition blockposition = (new BlockPosition(this.b)).up();
+ int i = (int) (f + 16.0F);
+ ChunkCache chunkcache = new ChunkCache(this.c, blockposition.a(-i, -i, -i), blockposition.a(i, i, i), 0);
+ PathEntity pathentity = this.j.a((IBlockAccess) chunkcache, (Entity) this.b, entity, f);
+
+ this.c.methodProfiler.b();
+ return pathentity;
+ }
+ }
+
+ public boolean a(Entity entity, double d0) {
+ PathEntity pathentity = this.a(entity);
+
+ return pathentity != null ? this.a(pathentity, d0) : false;
+ }
+
+ public boolean a(PathEntity pathentity, double d0) {
+ if (pathentity == null) {
+ this.d = null;
+ return false;
+ } else {
+ if (!pathentity.a(this.d)) {
+ this.d = pathentity;
+ }
+
+ this.d();
+ if (this.d.d() == 0) {
+ return false;
+ } else {
+ this.e = d0;
+ Vec3D vec3d = this.c();
+
+ this.g = this.f;
+ this.h = vec3d;
+ return true;
+ }
+ }
+ }
+
+ public PathEntity j() {
+ return this.d;
+ }
+
+ public void k() {
+ ++this.f;
+ if (!this.m()) {
+ Vec3D vec3d;
+
+ if (this.b()) {
+ this.l();
+ } else if (this.d != null && this.d.e() < this.d.d()) {
+ vec3d = this.c();
+ Vec3D vec3d1 = this.d.a(this.b, this.d.e());
+
+ if (vec3d.b > vec3d1.b && !this.b.onGround && MathHelper.floor(vec3d.a) == MathHelper.floor(vec3d1.a) && MathHelper.floor(vec3d.c) == MathHelper.floor(vec3d1.c)) {
+ this.d.c(this.d.e() + 1);
+ }
+ }
+
+ if (!this.m()) {
+ vec3d = this.d.a((Entity) this.b);
+ if (vec3d != null) {
+ AxisAlignedBB axisalignedbb = (new AxisAlignedBB(vec3d.a, vec3d.b, vec3d.c, vec3d.a, vec3d.b, vec3d.c)).grow(0.5D, 0.5D, 0.5D);
+ List list = this.c.getCubes(this.b, axisalignedbb.a(0.0D, -1.0D, 0.0D));
+ double d0 = -1.0D;
+
+ axisalignedbb = axisalignedbb.c(0.0D, 1.0D, 0.0D);
+
+ AxisAlignedBB axisalignedbb1;
+
+ for (Iterator iterator = list.iterator(); iterator.hasNext(); d0 = axisalignedbb1.b(axisalignedbb, d0)) {
+ axisalignedbb1 = (AxisAlignedBB) iterator.next();
+ }
+
+ this.b.getControllerMove().a(vec3d.a, vec3d.b + d0, vec3d.c, this.e);
+ }
+ }
+ }
+ }
+
+ protected void l() {
+ Vec3D vec3d = this.c();
+ int i = this.d.d();
+
+ for (int j = this.d.e(); j < this.d.d(); ++j) {
+ if (this.d.a(j).b != (int) vec3d.b) {
+ i = j;
+ break;
+ }
+ }
+
+ float f = this.b.width * this.b.width * this.i;
+
+ int k;
+
+ for (k = this.d.e(); k < i; ++k) {
+ Vec3D vec3d1 = this.d.a(this.b, k);
+
+ if (vec3d.distanceSquared(vec3d1) < (double) f) {
+ this.d.c(k + 1);
+ }
+ }
+
+ k = MathHelper.f(this.b.width);
+ int l = (int) this.b.length + 1;
+ int i1 = k;
+
+ for (int j1 = i - 1; j1 >= this.d.e(); --j1) {
+ if (this.a(vec3d, this.d.a(this.b, j1), k, l, i1)) {
+ this.d.c(j1);
+ break;
+ }
+ }
+
+ this.a(vec3d);
+ }
+
+ protected void a(Vec3D vec3d) {
+ if (this.f - this.g > 100) {
+ if (vec3d.distanceSquared(this.h) < 2.25D) {
+ this.n();
+ }
+
+ this.g = this.f;
+ this.h = vec3d;
+ }
+
+ }
+
+ public boolean m() {
+ return this.d == null || this.d.b();
+ }
+
+ public void n() {
+ this.d = null;
+ }
+
+ protected abstract Vec3D c();
+
+ protected abstract boolean b();
+
+ protected boolean o() {
+ return this.b.V() || this.b.ab();
+ }
+
+ protected void d() {}
+
+ protected abstract boolean a(Vec3D vec3d, Vec3D vec3d1, int i, int j, int k);
+}
diff --git a/src/main/java/net/minecraft/server/PathfinderGoalFloat.java b/src/main/java/net/minecraft/server/PathfinderGoalFloat.java
new file mode 100644
index 0000000..6014b09
@ -3207,6 +3435,231 @@ index 0000000..6014b09
+
+ }
+}
diff --git a/src/main/java/net/minecraft/server/PathfinderNormal.java b/src/main/java/net/minecraft/server/PathfinderNormal.java
new file mode 100644
index 0000000..0a14c9d
--- /dev/null
+++ b/src/main/java/net/minecraft/server/PathfinderNormal.java
@@ -0,0 +1,219 @@
+package net.minecraft.server;
+
+public class PathfinderNormal extends PathfinderAbstract {
+
+ private boolean f;
+ private boolean g;
+ private boolean h;
+ private boolean i;
+ private boolean j;
+
+ public PathfinderNormal() {}
+
+ public void a(IBlockAccess iblockaccess, Entity entity) {
+ super.a(iblockaccess, entity);
+ this.j = this.h;
+ }
+
+ public void a() {
+ super.a();
+ this.h = this.j;
+ }
+
+ public PathPoint a(Entity entity) {
+ int i;
+
+ if (this.i && entity.V()) {
+ i = (int) entity.getBoundingBox().b;
+ BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition(MathHelper.floor(entity.locX), i, MathHelper.floor(entity.locZ));
+
+ for (Block block = this.a.getType(blockposition_mutableblockposition).getBlock(); block == Blocks.FLOWING_WATER || block == Blocks.WATER; block = this.a.getType(blockposition_mutableblockposition).getBlock()) {
+ ++i;
+ blockposition_mutableblockposition.c(MathHelper.floor(entity.locX), i, MathHelper.floor(entity.locZ));
+ }
+
+ this.h = false;
+ } else {
+ i = MathHelper.floor(entity.getBoundingBox().b + 0.5D);
+ }
+
+ return this.a(MathHelper.floor(entity.getBoundingBox().a), i, MathHelper.floor(entity.getBoundingBox().c));
+ }
+
+ public PathPoint a(Entity entity, double d0, double d1, double d2) {
+ return this.a(MathHelper.floor(d0 - (double) (entity.width / 2.0F)), MathHelper.floor(d1), MathHelper.floor(d2 - (double) (entity.width / 2.0F)));
+ }
+
+ public int a(PathPoint[] apathpoint, Entity entity, PathPoint pathpoint, PathPoint pathpoint1, float f) {
+ int i = 0;
+ byte b0 = 0;
+
+ if (this.a(entity, pathpoint.a, pathpoint.b + 1, pathpoint.c) == 1) {
+ b0 = 1;
+ }
+
+ PathPoint pathpoint2 = this.a(entity, pathpoint.a, pathpoint.b, pathpoint.c + 1, b0);
+ PathPoint pathpoint3 = this.a(entity, pathpoint.a - 1, pathpoint.b, pathpoint.c, b0);
+ PathPoint pathpoint4 = this.a(entity, pathpoint.a + 1, pathpoint.b, pathpoint.c, b0);
+ PathPoint pathpoint5 = this.a(entity, pathpoint.a, pathpoint.b, pathpoint.c - 1, b0);
+
+ if (pathpoint2 != null && !pathpoint2.i && pathpoint2.a(pathpoint1) < f) {
+ apathpoint[i++] = pathpoint2;
+ }
+
+ if (pathpoint3 != null && !pathpoint3.i && pathpoint3.a(pathpoint1) < f) {
+ apathpoint[i++] = pathpoint3;
+ }
+
+ if (pathpoint4 != null && !pathpoint4.i && pathpoint4.a(pathpoint1) < f) {
+ apathpoint[i++] = pathpoint4;
+ }
+
+ if (pathpoint5 != null && !pathpoint5.i && pathpoint5.a(pathpoint1) < f) {
+ apathpoint[i++] = pathpoint5;
+ }
+
+ return i;
+ }
+
+ private PathPoint a(Entity entity, int i, int j, int k, int l) {
+ PathPoint pathpoint = null;
+ int i1 = this.a(entity, i, j, k);
+
+ if (i1 == 2) {
+ return this.a(i, j, k);
+ } else {
+ if (i1 == 1) {
+ pathpoint = this.a(i, j, k);
+ }
+
+ if (pathpoint == null && l > 0 && i1 != -3 && i1 != -4 && this.a(entity, i, j + l, k) == 1) {
+ pathpoint = this.a(i, j + l, k);
+ j += l;
+ }
+
+ if (pathpoint != null) {
+ int j1 = 0;
+
+ int k1;
+
+ for (k1 = 0; j > 0; pathpoint = this.a(i, j, k)) {
+ k1 = this.a(entity, i, j - 1, k);
+ if (this.h && k1 == -1) {
+ return null;
+ }
+
+ if (k1 != 1) {
+ break;
+ }
+
+ if (j1++ >= entity.aE()) {
+ return null;
+ }
+
+ --j;
+ if (j <= 0) {
+ return null;
+ }
+ }
+
+ if (k1 == -2) {
+ return null;
+ }
+ }
+
+ return pathpoint;
+ }
+ }
+
+ private int a(Entity entity, int i, int j, int k) {
+ return a(this.a, entity, i, j, k, this.c, this.d, this.e, this.h, this.g, this.f);
+ }
+
+ public static int a(IBlockAccess iblockaccess, Entity entity, int i, int j, int k, int l, int i1, int j1, boolean flag, boolean flag1, boolean flag2) {
+ boolean flag3 = false;
+ BlockPosition blockposition = new BlockPosition(entity);
+ BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
+
+ for (int k1 = i; k1 < i + l; ++k1) {
+ for (int l1 = j; l1 < j + i1; ++l1) {
+ for (int i2 = k; i2 < k + j1; ++i2) {
+ blockposition_mutableblockposition.c(k1, l1, i2);
+ Block block = iblockaccess.getType(blockposition_mutableblockposition).getBlock();
+
+ if (block.getMaterial() != Material.AIR) {
+ if (block != Blocks.TRAPDOOR && block != Blocks.IRON_TRAPDOOR) {
+ if (block != Blocks.FLOWING_WATER && block != Blocks.WATER) {
+ if (!flag2 && block instanceof BlockDoor && block.getMaterial() == Material.WOOD) {
+ return 0;
+ }
+ } else {
+ if (flag) {
+ return -1;
+ }
+
+ flag3 = true;
+ }
+ } else {
+ flag3 = true;
+ }
+
+ if (entity.world.getType(blockposition_mutableblockposition).getBlock() instanceof BlockMinecartTrackAbstract) {
+ if (!(entity.world.getType(blockposition).getBlock() instanceof BlockMinecartTrackAbstract) && !(entity.world.getType(blockposition.down()).getBlock() instanceof BlockMinecartTrackAbstract)) {
+ return -3;
+ }
+ } else if (!block.b(iblockaccess, blockposition_mutableblockposition) && (!flag1 || !(block instanceof BlockDoor) || block.getMaterial() != Material.WOOD)) {
+ if (block instanceof BlockFence || block instanceof BlockFenceGate || block instanceof BlockCobbleWall) {
+ return -3;
+ }
+
+ if (block == Blocks.TRAPDOOR || block == Blocks.IRON_TRAPDOOR) {
+ return -4;
+ }
+
+ Material material = block.getMaterial();
+
+ if (material != Material.LAVA) {
+ return 0;
+ }
+
+ if (!entity.ab()) {
+ return -2;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ return flag3 ? 2 : 1;
+ }
+
+ public void a(boolean flag) {
+ this.f = flag;
+ }
+
+ public void b(boolean flag) {
+ this.g = flag;
+ }
+
+ public void c(boolean flag) {
+ this.h = flag;
+ }
+
+ public void d(boolean flag) {
+ this.i = flag;
+ }
+
+ public boolean b() {
+ return this.f;
+ }
+
+ public boolean d() {
+ return this.i;
+ }
+
+ public boolean e() {
+ return this.h;
+ }
+}
diff --git a/src/main/java/net/minecraft/server/TileEntityEnderChest.java b/src/main/java/net/minecraft/server/TileEntityEnderChest.java
new file mode 100644
index 0000000..794cdc8
@ -3323,5 +3776,5 @@ index 0000000..f75e2de
+ }
+}
--
2.7.0
2.7.1

68
Spigot-Server-Patches/0087-Optimize-Pathfinding.patch Normal file
View file

@ -0,0 +1,68 @@
From c6cd94e6eaec67e31528ad1c871a473e9415bc61 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 18 Jan 2016 00:18:43 -0500
Subject: [PATCH] Optimize Pathfinding
Prevents pathfinding from spamming failures for things such as
arrow attacks.
Also remove a duplicate .getType() call and fix .getType() on others
to make them use the chunk cache vs chunk lookups
diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
index d5eaa24..8ebe584 100644
--- a/src/main/java/net/minecraft/server/NavigationAbstract.java
+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
@@ -82,10 +82,25 @@ public abstract class NavigationAbstract {
}
public boolean a(Entity entity, double d0) {
+ // PaperSpigot start - Pathfinding optimizations
+ if (this.pathfindFailures > 10 && this.d == null && MinecraftServer.currentTick < this.lastFailure + 40) {
+ return false;
+ }
PathEntity pathentity = this.a(entity);
- return pathentity != null ? this.a(pathentity, d0) : false;
+ if (pathentity != null && this.a(pathentity, d0)) {
+ this.lastFailure = 0;
+ this.pathfindFailures = 0;
+ return true;
+ } else {
+ this.pathfindFailures++;
+ this.lastFailure = MinecraftServer.currentTick;
+ return false;
+ }
}
+ private int lastFailure = 0;
+ private int pathfindFailures = 0;
+ // PaperSpigot end
public boolean a(PathEntity pathentity, double d0) {
if (pathentity == null) {
@@ -205,6 +220,7 @@ public abstract class NavigationAbstract {
}
public void n() {
+ this.pathfindFailures = 0; this.lastFailure = 0; // PaperSpigot - Pathfinding optimizations
this.d = null;
}
diff --git a/src/main/java/net/minecraft/server/PathfinderNormal.java b/src/main/java/net/minecraft/server/PathfinderNormal.java
index 0a14c9d..629aa16 100644
--- a/src/main/java/net/minecraft/server/PathfinderNormal.java
+++ b/src/main/java/net/minecraft/server/PathfinderNormal.java
@@ -158,8 +158,8 @@ public class PathfinderNormal extends PathfinderAbstract {
flag3 = true;
}
- if (entity.world.getType(blockposition_mutableblockposition).getBlock() instanceof BlockMinecartTrackAbstract) {
- if (!(entity.world.getType(blockposition).getBlock() instanceof BlockMinecartTrackAbstract) && !(entity.world.getType(blockposition.down()).getBlock() instanceof BlockMinecartTrackAbstract)) {
+ if (block instanceof BlockMinecartTrackAbstract) { // PaperSpigot - Pathfinder optimizations
+ if (!(iblockaccess.getType(blockposition).getBlock() instanceof BlockMinecartTrackAbstract) && !(iblockaccess.getType(blockposition.down()).getBlock() instanceof BlockMinecartTrackAbstract)) { // PaperSpigot - Pathfinder optimizations
return -3;
}
} else if (!block.b(iblockaccess, blockposition_mutableblockposition) && (!flag1 || !(block instanceof BlockDoor) || block.getMaterial() != Material.WOOD)) {
--
2.7.1