PaperMC/patches/server/0677-Line-Of-Sight-Changes.patch
Nassim Jahnke 26734e83b0
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#7454)
* 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:
8085edde SPIGOT-6918: Add SpawnCategory API and configurations for Axolotls
04c7e13c PR-719: Add Player Profile API
71564210 SPIGOT-6910: Add BlockDamageAbortEvent

CraftBukkit Changes:
febaa1c6 SPIGOT-6918: Add SpawnCategory API and configurations for Axolotls
9dafd109 Don't send updates over large distances
bdac46b0 SPIGOT-6782: EntityPortalEvent should not destroy entity when setTo() uses same world as getFrom()
8f361ece PR-1002: Add Player Profile API
911875d4 Increase outdated build delay
e5f8a767 SPIGOT-6917: Use main scoreboard for /trigger
a672a531 Clean up callBlockDamageEvent
8e1bdeef SPIGOT-6910: Add BlockDamageAbortEvent

Spigot Changes:
6edb62f3 Rebuild patches
7fbc6a1e Rebuild patches

* Updated Upstream (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

CraftBukkit Changes:
de951355 SPIGOT-6927: Fix default value of spawn-limits in Worlds
2022-02-12 14:20:33 +01:00

76 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 510c2f0d47b593ac2bd60608c43cef8c069a5373..3d197ddb412e7df6723be0e86db86d9326281bc1 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3445,7 +3445,8 @@ public abstract class LivingEntity extends Entity {
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) > 128D * 128D ? false : this.level.clip(new ClipContext(vec3d, vec3d1, ClipContext.Block.COLLIDER, ClipContext.Fluid.NONE, this)).getType() == HitResult.Type.MISS; // Paper - use distanceToSqr
}
}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 3d343914c95ac08a704f56292ad6e2ab430a258e..a42d293733e6f67e5ea1f7626b245f87b6ed438f 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -189,6 +189,18 @@ public class CraftWorld extends CraftRegionAccessor implements World {
public io.papermc.paper.world.MoonPhase getMoonPhase() {
return io.papermc.paper.world.MoonPhase.getPhase(getFullTime() / 24000L);
}
+
+ @Override
+ public boolean lineOfSightExists(Location from, Location to) {
+ Validate.notNull(from, "from parameter in lineOfSightExists cannot be null");
+ Validate.notNull(to, "to parameter in lineOfSightExists cannot be null");
+ if (from.getWorld() != to.getWorld()) return false;
+ Vec3 vec3d = new Vec3(from.getX(), from.getY(), from.getZ());
+ Vec3 vec3d1 = new Vec3(to.getX(), to.getY(), to.getZ());
+ if (vec3d1.distanceToSqr(vec3d) > 128D * 128D) return false; //Return early if the distance is greater than 128 blocks
+
+ return this.getHandle().clip(new ClipContext(vec3d, vec3d1, ClipContext.Block.COLLIDER, ClipContext.Fluid.NONE, null)).getType() == HitResult.Type.MISS;
+ }
// Paper end
private static final Random rand = new Random();
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
index 8fe1f5deddfee329c020d93c990dc686fe2b458e..ca176b9331345e343c19a02b6ba2ea886d20962d 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -29,6 +29,9 @@ import net.minecraft.world.entity.projectile.ThrownEgg;
import net.minecraft.world.entity.projectile.ThrownEnderpearl;
import net.minecraft.world.entity.projectile.ThrownExperienceBottle;
import net.minecraft.world.entity.projectile.ThrownTrident;
+import net.minecraft.world.level.ClipContext;
+import net.minecraft.world.phys.HitResult;
+import net.minecraft.world.phys.Vec3;
import org.apache.commons.lang.Validate;
import org.bukkit.FluidCollisionMode;
import org.bukkit.Location;
@@ -557,6 +560,18 @@ 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;
+ Vec3 vec3d = new Vec3(this.getHandle().getX(), this.getHandle().getEyeY(), this.getHandle().getZ());
+ Vec3 vec3d1 = new Vec3(loc.getX(), loc.getY(), loc.getZ());
+ if (vec3d1.distanceToSqr(vec3d) > 128D * 128D) return false; //Return early if the distance is greater than 128 blocks
+
+ return this.getHandle().level.clip(new ClipContext(vec3d, vec3d1, ClipContext.Block.COLLIDER, ClipContext.Fluid.NONE, this.getHandle())).getType() == HitResult.Type.MISS;
+ }
+ // Paper end
+
@Override
public boolean getRemoveWhenFarAway() {
return this.getHandle() instanceof Mob && !((Mob) this.getHandle()).isPersistenceRequired();