PaperMC/patches/server/0568-Line-Of-Sight-Changes.patch
Jake Potrebic 3e90a19183
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
304e83eb PR-1002: Improve documentation and implementation of getMaxStackSize
e8215ea2 SPIGOT-7638: Library loader does not seem to resolve every dependency
79c595c0 SPIGOT-7637: Bad logic in checking nullability of AttributeModifier slots

CraftBukkit Changes:
91b1fc3f1 SPIGOT-7644: Fix ItemMeta#getAsString
4e77a81e1 SPIGOT-7615: PlayerLeashEntityEvent cancelled eats lead
996f660f3 Do not remove leash knot if leasing to an existing leash knot gets cancelled
f70367d42 SPIGOT-7643: Fix inverted leash event cancelled usage and remove leash knot if no entity gets leashed
7ddb48294 SPIGOT-7640: Abnormal jumping height of wind charge
080c8711e SPIGOT-7639: Incoming plugin channels not working
ad549847e Open a direct connection instead of pinging mojang server to check if it is reachable
38e2926c5 SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime
2024-04-27 18:00:01 -07:00

74 lines
4.7 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: TwoLeggedCat <80929284+TwoLeggedCat@users.noreply.github.com>
Date: Sat, 29 May 2021 14:33:25 -0500
Subject: [PATCH] Line Of Sight Changes
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 541debdee83cbef985aafa0c3cb344a5bee18625..5f9c39b18ab55c80e78ac578de6821fe282c04bb 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3720,7 +3720,8 @@ public abstract class LivingEntity extends Entity implements Attackable {
Vec3 vec3d = new Vec3(this.getX(), this.getEyeY(), this.getZ());
Vec3 vec3d1 = new Vec3(entity.getX(), entity.getEyeY(), entity.getZ());
- return vec3d1.distanceTo(vec3d) > 128.0D ? false : this.level().clip(new ClipContext(vec3d, vec3d1, ClipContext.Block.COLLIDER, ClipContext.Fluid.NONE, this)).getType() == HitResult.Type.MISS;
+ // Paper - diff on change - used in CraftLivingEntity#hasLineOfSight(Location) and CraftWorld#lineOfSightExists
+ return vec3d1.distanceToSqr(vec3d) > 128.0D * 128.0D ? false : this.level().clip(new ClipContext(vec3d, vec3d1, ClipContext.Block.COLLIDER, ClipContext.Fluid.NONE, this)).getType() == HitResult.Type.MISS; // Paper - Perf: Use distance squared
}
}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java b/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
index 1e720b96f0367652db6924b8654deaa9467e3d2c..4932ba59a6b70b405f7dd05358f6bb00b629d34c 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
@@ -516,5 +516,21 @@ public abstract class CraftRegionAccessor implements RegionAccessor {
public org.bukkit.NamespacedKey getKey() {
return org.bukkit.craftbukkit.util.CraftNamespacedKey.fromMinecraft(this.getHandle().getLevel().dimension().location());
}
+
+ public boolean lineOfSightExists(Location from, Location to) {
+ Preconditions.checkArgument(from != null, "from parameter in lineOfSightExists cannot be null");
+ Preconditions.checkArgument(to != null, "to parameter in lineOfSightExists cannot be null");
+ if (from.getWorld() != to.getWorld()) {
+ return false;
+ }
+
+ net.minecraft.world.phys.Vec3 start = new net.minecraft.world.phys.Vec3(from.getX(), from.getY(), from.getZ());
+ net.minecraft.world.phys.Vec3 end = new net.minecraft.world.phys.Vec3(to.getX(), to.getY(), to.getZ());
+ if (end.distanceToSqr(start) > 128D * 128D) {
+ return false; // Return early if the distance is greater than 128 blocks
+ }
+
+ return this.getHandle().clip(new net.minecraft.world.level.ClipContext(start, end, net.minecraft.world.level.ClipContext.Block.COLLIDER, net.minecraft.world.level.ClipContext.Fluid.NONE, net.minecraft.world.phys.shapes.CollisionContext.empty())).getType() == net.minecraft.world.phys.HitResult.Type.MISS;
+ }
// Paper end
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
index 2701e53086f4be07c341cd1e4fcd7a351e77c486..1cfc3d18fb785410f5acfcf3c338776858efe25a 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -627,6 +627,23 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
return this.getHandle().hasLineOfSight(((CraftEntity) other).getHandle());
}
+ // Paper start
+ @Override
+ public boolean hasLineOfSight(Location loc) {
+ if (this.getHandle().level() != ((CraftWorld) loc.getWorld()).getHandle()) {
+ return false;
+ }
+
+ net.minecraft.world.phys.Vec3 start = new net.minecraft.world.phys.Vec3(this.getHandle().getX(), this.getHandle().getEyeY(), this.getHandle().getZ());
+ net.minecraft.world.phys.Vec3 end = new net.minecraft.world.phys.Vec3(loc.getX(), loc.getY(), loc.getZ());
+ if (end.distanceToSqr(start) > 128D * 128D) {
+ return false; // Return early if the distance is greater than 128 blocks
+ }
+
+ return this.getHandle().level().clipDirect(start, end, net.minecraft.world.phys.shapes.CollisionContext.of(this.getHandle())) == net.minecraft.world.phys.HitResult.Type.MISS;
+ }
+ // Paper end
+
@Override
public boolean getRemoveWhenFarAway() {
return this.getHandle() instanceof Mob && !((Mob) this.getHandle()).isPersistenceRequired();