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 fd2d5e274a3bf889b954bed17d286d1157cd208e..709ca3f249a5c4d3a405e94ca353864df349ffcd 100644 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java @@ -3449,7 +3449,8 @@ 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 bbc0f333b59743973652ec4bf13936821a7e596a..a986f6470a6112ddd6b6d81f99479e7bc9d6ff91 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java @@ -199,6 +199,18 @@ 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();