Paper/patches/server/0548-Line-Of-Sight-Changes.patch
Jake Potrebic c6aa61ee18
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#11561)
Updated Upstream (Bukkit/CraftBukkit/Spigot)

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:
b9df8e9f SPIGOT-7933: Improve custom Minecart max speed
fc496179 Fix InstrumentTest
7c0ec598 PR-1075: Make Art an interface
c389f5a4 PR-1074: Make Sound an interface

CraftBukkit Changes:
df1efc0bb SPIGOT-7945: `Bukkit#dispatchCommand` throws `UnsupportedOperationException`
285df6e85 SPIGOT-7933: Improve custom Minecart max speed
a0f3d4e50 SPIGOT-7940: Recipe book errors after reload
9e0618ec2 SPIGOT-7937: Cannot spawn minecart during world generation with minecart_improvements enabled
1eb4d28da SPIGOT-7941: Fix resistance over 4 amplify causing issues in damage
52b99158a PR-1504: Make Art an interface
e18ae35f1 PR-1502: Make Sound an interface

Spigot Changes:
e65d67a7 SPIGOT-7934: Item entities start "bouncing" under certain conditions
2024-11-04 18:42:38 +01:00

75 lines
4.6 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 6eda6f62e54eefddad51033e7d69c76ffc110a6d..5415cade10ab36709f722cabc20ea3f1b9c285d9 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3906,7 +3906,8 @@ public abstract class LivingEntity extends Entity implements Attackable {
Vec3 vec3d = new Vec3(this.getX(), this.getEyeY(), this.getZ());
Vec3 vec3d1 = new Vec3(entity.getX(), entityY.getAsDouble(), entity.getZ());
- return vec3d1.distanceTo(vec3d) > 128.0D ? false : this.level().clip(new ClipContext(vec3d, vec3d1, shapeType, fluidHandling, 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, shapeType, fluidHandling, 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 a070b2a83edaa702b13bc6d3026914126c211576..ca35e93239eea09b3d0dc6ef18f58743e633996b 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
@@ -526,5 +526,21 @@ 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 5749e2b5174be23633c8a811baec8c05da12e3e2..b5830f31c3444fcc6fea83a3b71a05bf07ce379d 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -643,6 +643,23 @@ 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();