110 lines
5.7 KiB
Diff
110 lines
5.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Mon, 28 Mar 2016 21:22:26 -0400
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Subject: [PATCH] EntityPathfindEvent
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Fires when an Entity decides to start moving to a location.
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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
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index 0b2e10a0f508448d9e7d003e6c822f0a56d4022f..27cd393e81f6ef9b5690c051624d8d2af50acd34 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java
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@@ -35,7 +35,7 @@ public class FlyingPathNavigation extends PathNavigation {
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@Override
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public Path createPath(Entity entity, int distance) {
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- return this.createPath(entity.blockPosition(), distance);
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+ return this.createPath(entity.blockPosition(), entity, distance); // Paper - Forward target entity
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}
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@Override
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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
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index 27b072943328aca4489a9565bda700e7e7dcbb6a..f610c06d7bb51ec2c63863dd46711712986a106a 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
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@@ -69,7 +69,7 @@ public class GroundPathNavigation extends PathNavigation {
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@Override
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public Path createPath(Entity entity, int distance) {
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- return this.createPath(entity.blockPosition(), distance);
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+ return this.createPath(entity.blockPosition(), entity, distance); // Paper - Forward target entity
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}
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private int getSurfaceY() {
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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
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index eaf1653b14e5fdacae38abe75260a64d0ffbfc1d..ff1e04e5e3b8099b0b71eda1c0de864c809c5029 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
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@@ -10,6 +10,7 @@ import net.minecraft.core.BlockPos;
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import net.minecraft.core.Vec3i;
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import net.minecraft.network.protocol.game.DebugPackets;
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import net.minecraft.tags.BlockTags;
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+import net.minecraft.server.MCUtil;
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import net.minecraft.util.Mth;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.Mob;
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@@ -108,7 +109,13 @@ public abstract class PathNavigation {
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@Nullable
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public Path createPath(BlockPos target, int distance) {
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- return this.createPath(ImmutableSet.of(target), 8, false, distance);
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+ // Paper start - add target entity parameter
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+ return this.createPath(target, null, distance);
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+ }
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+ @Nullable
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+ public Path createPath(BlockPos target, Entity entity, int distance) {
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+ return this.createPath(ImmutableSet.of(target), entity, 8, false, distance);
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+ // Paper end
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}
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@Nullable
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@@ -118,7 +125,7 @@ public abstract class PathNavigation {
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@Nullable
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public Path createPath(Entity entity, int distance) {
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- return this.createPath(ImmutableSet.of(entity.blockPosition()), 16, true, distance);
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+ return this.createPath(ImmutableSet.of(entity.blockPosition()), entity, 16, true, distance); // Paper
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}
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@Nullable
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@@ -128,6 +135,16 @@ public abstract class PathNavigation {
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@Nullable
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protected Path createPath(Set<BlockPos> positions, int range, boolean useHeadPos, int distance, float followRange) {
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+ return this.createPath(positions, null, range, useHeadPos, distance, (float) this.mob.getAttributeValue(Attributes.FOLLOW_RANGE));
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+ }
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+
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+ @Nullable
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+ protected Path createPath(Set<BlockPos> positions, Entity target, int range, boolean useHeadPos, int distance) {
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+ return this.createPath(positions, target, range, useHeadPos, distance, (float) this.mob.getAttributeValue(Attributes.FOLLOW_RANGE));
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+ }
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+
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+ @Nullable protected Path createPath(Set<BlockPos> positions, Entity target, int range, boolean useHeadPos, int distance, float followRange) {
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+ // Paper end
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if (positions.isEmpty()) {
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return null;
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} else if (this.mob.getY() < (double)this.level.getMinBuildHeight()) {
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@@ -137,6 +154,23 @@ public abstract class PathNavigation {
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} else if (this.path != null && !this.path.isDone() && positions.contains(this.targetPos)) {
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return this.path;
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} else {
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+ // Paper start - Pathfind event
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+ boolean copiedSet = false;
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+ for (BlockPos possibleTarget : positions) {
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+ if (!new com.destroystokyo.paper.event.entity.EntityPathfindEvent(this.mob.getBukkitEntity(),
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+ MCUtil.toLocation(this.mob.level, possibleTarget), target == null ? null : target.getBukkitEntity()).callEvent()) {
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+ if (!copiedSet) {
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+ copiedSet = true;
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+ positions = new java.util.HashSet<>(positions);
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+ }
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+ // note: since we copy the set this remove call is safe, since we're iterating over the old copy
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+ positions.remove(possibleTarget);
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+ if (positions.isEmpty()) {
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+ return null;
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+ }
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+ }
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+ }
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+ // Paper end
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this.level.getProfiler().push("pathfind");
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BlockPos blockPos = useHeadPos ? this.mob.blockPosition().above() : this.mob.blockPosition();
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int i = (int)(followRange + (float)range);
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