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 99b33003c97bb86b2cfc4a77298ac52efad6e78f..442d0df276defbbea1b4282b99460ab463c2e5e0 100644 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java @@ -3430,7 +3430,8 @@ 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 fea56803b648bdda9ba8ead14816b1b4fa6cd73a..39f8ff65ae06a072ad37e80769244895e98a727a 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java @@ -331,6 +331,18 @@ public class CraftWorld 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 e91b055e46a2884d91a896366916de140d5ec20c..f9110f682ddc356299ff94e1e536f8e5024378d8 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; @@ -541,6 +544,18 @@ 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();