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 3f375ec80357c3727092ce016d2697d17281976f..b4295448819271f5a651e3a3ae83c7ae4014d92f 100644 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java @@ -3720,7 +3720,8 @@ 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 1e720b96f0367652db6924b8654deaa9467e3d2c..4932ba59a6b70b405f7dd05358f6bb00b629d34c 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 2701e53086f4be07c341cd1e4fcd7a351e77c486..1cfc3d18fb785410f5acfcf3c338776858efe25a 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java @@ -627,6 +627,23 @@ 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();