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..e35c38feb62c3345d82636081decc09db9f061ab 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 - EntityPathfindEvent } @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..47de460ff5435ea6712c800c77093126908d0fce 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 - EntityPathfindEvent 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 - EntityPathfindEvent } while(blockPos.getY() < this.level.getMaxBuildHeight() && levelChunk.getBlockState(blockPos).isAir()) { @@ -63,20 +63,20 @@ public class GroundPathNavigation extends PathNavigation { } if (!levelChunk.getBlockState(target).isSolid()) { - return super.createPath(target, distance); + return super.createPath(target, entity, distance); // Paper - EntityPathfindEvent } else { BlockPos blockPos2; 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 - EntityPathfindEvent } } } @Override public Path createPath(Entity entity, int distance) { - return this.createPath(entity.blockPosition(), distance); + return this.createPath(entity.blockPosition(), entity, distance); // Paper - EntityPathfindEvent } 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..85b3da93b6dd8e1a40d884db0721f30b9b237c69 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 - EntityPathfindEvent + 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 - EntityPathfindEvent } @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 - EntityPathfindEvent } @Nullable @@ -130,6 +136,17 @@ public abstract class PathNavigation { @Nullable protected Path createPath(Set positions, int range, boolean useHeadPos, int distance, float followRange) { + // Paper start - EntityPathfindEvent + 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 - EntityPathfindEvent if (positions.isEmpty()) { return null; } else if (this.mob.getY() < (double)this.level.getMinBuildHeight()) { @@ -139,6 +156,23 @@ public abstract class PathNavigation { } else if (this.path != null && !this.path.isDone() && positions.contains(this.targetPos)) { return this.path; } else { + // Paper start - EntityPathfindEvent + 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 - EntityPathfindEvent 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..185550dce31b3b31a1d1dfcebb29147131bfad66 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 - EntityPathfindEvent this.pathToPosition = target; - return super.createPath(target, distance); + return super.createPath(target, entity, distance); // Paper - EntityPathfindEvent } @Override