Paper/patches/server/0582-Line-Of-Sight-Changes.patch
Nassim Jahnke 71c84c8132
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#10277)
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:
9a80d38c SPIGOT-336, SPIGOT-3366, SPIGOT-5768, SPIGOT-6409, SPIGOT-6861, PR-722: Add EntityRemoveEvent
258086d9 SPIGOT-7417, PR-967: Add Sign#getTargetSide and Sign#getAllowedEditor
ffaba051 SPIGOT-7584: Add missing Tag.ITEMS_NON_FLAMMABLE_WOOD

CraftBukkit Changes:
98b6c1ac7 SPIGOT-7589 Fix NullPointerException when bans expire
a2736ddb0 SPIGOT-336, SPIGOT-3366, SPIGOT-5768, SPIGOT-6409, SPIGOT-6861, PR-1008: Add EntityRemoveEvent
5bf12cb89 SPIGOT-7565: Throw a more descriptive error message when a developer tries to spawn an entity from a CraftBukkit class
76d95fe7e SPIGOT-7417, PR-1343: Add Sign#getTargetSide and Sign#getAllowedEditor

Spigot Changes:
e9ec5485 Rebuild patches
f1b62e0c Rebuild patches
2024-02-23 14:37:33 +01:00

75 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 dad6481439c54567fd6135b39c9209e74a3acba0..f7244a0cbb06258d6e553ad35e1040e338cce4eb 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3627,7 +3627,8 @@ 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 b9262b681b51cb68024156b28d33624fddd17b26..af14244caba22e750ee7baba03bb7ce267795b21 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 aab6948060d8870729690449064b34e1b01c925e..9ce82b203e37ff1f5a7618fe864ed7616bd8d52e 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -612,6 +612,23 @@ 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();