From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Aikar Date: Mon, 28 Mar 2016 21:22:26 -0400 Subject: [PATCH] EntityPathfindEvent Fires when an Entity decides to start moving to a location. diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java index 57a17458dbe1629ebbf58fea9f43f09511b91fb0..dda38820f763f93513b5d83a4239197b48a45238 100644 --- a/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java +++ b/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java @@ -35,7 +35,7 @@ public class FlyingPathNavigation extends PathNavigation { @Override public Path createPath(Entity entity, int distance) { - return this.createPath(entity.blockPosition(), distance); + return this.createPath(entity.blockPosition(), entity, distance); // Paper - Forward target entity } @Override diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java index a9fd90d5282bd013e031b9d7481e3f777d6892c6..a6f8ca71ba5d107cfbd24b8e8a225195dc233637 100644 --- a/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java +++ b/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java @@ -69,7 +69,7 @@ public class GroundPathNavigation extends PathNavigation { @Override public Path createPath(Entity entity, int distance) { - return this.createPath(entity.blockPosition(), distance); + return this.createPath(entity.blockPosition(), entity, distance); // Paper - Forward target entity } private int getSurfaceY() { diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java index 6b47e7abe63c196ab17c5816fdb4f79a89225178..4335bd9d6413d56326be573f7c07c8cd0503d352 100644 --- a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java +++ b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java @@ -10,6 +10,7 @@ import net.minecraft.core.BlockPos; import net.minecraft.core.Vec3i; import net.minecraft.network.protocol.game.DebugPackets; import net.minecraft.tags.BlockTags; +import net.minecraft.server.MCUtil; import net.minecraft.util.Mth; import net.minecraft.world.entity.Entity; import net.minecraft.world.entity.Mob; @@ -106,7 +107,13 @@ public abstract class PathNavigation { @Nullable public Path createPath(BlockPos target, int distance) { - return this.createPath(ImmutableSet.of(target), 8, false, distance); + // Paper start - add target entity parameter + return this.createPath(target, null, distance); + } + @Nullable + public Path createPath(BlockPos target, Entity entity, int distance) { + return this.createPath(ImmutableSet.of(target), entity, 8, false, distance); + // Paper end } @Nullable @@ -116,7 +123,7 @@ public abstract class PathNavigation { @Nullable public Path createPath(Entity entity, int distance) { - return this.createPath(ImmutableSet.of(entity.blockPosition()), 16, true, distance); + return this.createPath(ImmutableSet.of(entity.blockPosition()), entity, 16, true, distance); // Paper } @Nullable @@ -126,6 +133,16 @@ public abstract class PathNavigation { @Nullable protected Path createPath(Set positions, int range, boolean useHeadPos, int distance, float followRange) { + return this.createPath(positions, null, range, useHeadPos, distance, (float) this.mob.getAttributeValue(Attributes.FOLLOW_RANGE)); + } + + @Nullable + protected Path createPath(Set positions, Entity target, int range, boolean useHeadPos, int distance) { + return this.createPath(positions, target, range, useHeadPos, distance, (float) this.mob.getAttributeValue(Attributes.FOLLOW_RANGE)); + } + + @Nullable protected Path createPath(Set positions, Entity target, int range, boolean useHeadPos, int distance, float followRange) { + // Paper end if (positions.isEmpty()) { return null; } else if (this.mob.getY() < (double)this.level.getMinBuildHeight()) { @@ -135,6 +152,23 @@ public abstract class PathNavigation { } else if (this.path != null && !this.path.isDone() && positions.contains(this.targetPos)) { return this.path; } else { + // Paper start - Pathfind event + boolean copiedSet = false; + for (BlockPos possibleTarget : positions) { + if (!new com.destroystokyo.paper.event.entity.EntityPathfindEvent(this.mob.getBukkitEntity(), + MCUtil.toLocation(this.mob.level, possibleTarget), target == null ? null : target.getBukkitEntity()).callEvent()) { + if (!copiedSet) { + copiedSet = true; + positions = new java.util.HashSet<>(positions); + } + // note: since we copy the set this remove call is safe, since we're iterating over the old copy + positions.remove(possibleTarget); + if (positions.isEmpty()) { + return null; + } + } + } + // Paper end this.level.getProfiler().push("pathfind"); BlockPos blockPos = useHeadPos ? this.mob.blockPosition().above() : this.mob.blockPosition(); int i = (int)(followRange + (float)range);