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 3db41017c6690d4519564496edd8e7365b2f5a22..027eef4ace908147285c8d72b612d16e4f925672 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 @@ -40,7 +40,7 @@ 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 12564909abff7da4e5a4bb3d004a7ede2ffda12d..c0550a87dbc79090ccac8568186f22a49bb3837f 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 @@ -41,7 +41,7 @@ public class GroundPathNavigation extends PathNavigation { } @Override - public Path createPath(BlockPos target, int distance) { + public Path createPath(BlockPos target, @javax.annotation.Nullable Entity entity, int distance) { // Paper LevelChunk levelChunk = this.level.getChunkSource().getChunkNow(SectionPos.blockToSectionCoord(target.getX()), SectionPos.blockToSectionCoord(target.getZ())); if (levelChunk == null) { return null; @@ -52,7 +52,7 @@ public class GroundPathNavigation extends PathNavigation { } if (blockPos.getY() > this.level.getMinBuildHeight()) { - return super.createPath(blockPos.above(), distance); + return super.createPath(blockPos.above(), entity, distance); // Paper } while(blockPos.getY() < this.level.getMaxBuildHeight() && levelChunk.getBlockState(blockPos).isAir()) { @@ -69,14 +69,14 @@ public class GroundPathNavigation extends PathNavigation { for(blockPos2 = target.above(); blockPos2.getY() < this.level.getMaxBuildHeight() && levelChunk.getBlockState(blockPos2).isSolid(); blockPos2 = blockPos2.above()) { } - return super.createPath(blockPos2, distance); + return super.createPath(blockPos2, entity, distance); // Paper } } } @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 fa19df17967f57b5ac99b8eee9d38864c0b7a1bb..d14b329e5bccf13139c32f71da274082efc7199c 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 @@ -110,7 +110,13 @@ 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, @Nullable Entity entity, int distance) { + return this.createPath(ImmutableSet.of(target), entity, 8, false, distance); + // Paper end } @Nullable @@ -120,7 +126,7 @@ 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 @@ -130,6 +136,16 @@ 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, followRange); + } + + @Nullable + protected Path createPath(Set positions, @Nullable 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, @Nullable 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()) { @@ -139,6 +155,23 @@ 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(), + io.papermc.paper.util.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); diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/WallClimberNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/WallClimberNavigation.java index e9b49c72aa73dfcef6c136d9ed7bb5044fe8405d..2d1b2b84d7cf5bafe2cccfa0dec2bae805dbe7cf 100644 --- a/src/main/java/net/minecraft/world/entity/ai/navigation/WallClimberNavigation.java +++ b/src/main/java/net/minecraft/world/entity/ai/navigation/WallClimberNavigation.java @@ -16,9 +16,9 @@ public class WallClimberNavigation extends GroundPathNavigation { } @Override - public Path createPath(BlockPos target, int distance) { + public Path createPath(BlockPos target, @Nullable Entity entity, int distance) { // Paper this.pathToPosition = target; - return super.createPath(target, distance); + return super.createPath(target, entity, distance); // Paper } @Override