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 2d892c04efc4db941bf8ad57029589b55d0155f7..ecb499ed17df00afcc0898d35b05b260f1d3fe6e 100644 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java @@ -3481,7 +3481,8 @@ 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/CraftRegionAccessor.java b/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java index 84d84ceda1855bd1d11b2917c16fdb845a7600fe..d1fca0e3227b5f37c11367548be362f5a49b6a71 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java @@ -944,5 +944,16 @@ 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 vec3d = new net.minecraft.world.phys.Vec3(from.getX(), from.getY(), from.getZ()); + net.minecraft.world.phys.Vec3 vec3d1 = new net.minecraft.world.phys.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 net.minecraft.world.level.ClipContext(vec3d, vec3d1, net.minecraft.world.level.ClipContext.Block.COLLIDER, net.minecraft.world.level.ClipContext.Fluid.NONE, null)).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 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();