From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: BillyGalbreath Date: Mon, 3 Sep 2018 18:20:03 -0500 Subject: [PATCH] Add ray tracing methods to LivingEntity diff --git a/src/main/java/io/papermc/paper/util/MCUtil.java b/src/main/java/io/papermc/paper/util/MCUtil.java index b19850ae31f6c796cb3491dd5070d28e0ffd242c..30a5484d0209e7b99e81b70f654f525103471eb8 100644 --- a/src/main/java/io/papermc/paper/util/MCUtil.java +++ b/src/main/java/io/papermc/paper/util/MCUtil.java @@ -510,6 +510,18 @@ public final class MCUtil { return getNMSWorld(entity.getWorld()); } + public static ClipContext.Fluid getNMSFluidCollisionOption(com.destroystokyo.paper.block.TargetBlockInfo.FluidMode fluidMode) { + switch (fluidMode) { + case NEVER: + return ClipContext.Fluid.NONE; + case SOURCE_ONLY: + return ClipContext.Fluid.SOURCE_ONLY; + case ALWAYS: + return ClipContext.Fluid.ANY; + } + return null; + } + public static BlockFace toBukkitBlockFace(Direction enumDirection) { switch (enumDirection) { case DOWN: diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java index cc7cf6a8b610c72b72ba128c086df61371f59c25..9c3bda51dda1a9acbc2ea53250c7aec64a3aaf03 100644 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java @@ -3747,6 +3747,23 @@ public abstract class LivingEntity extends Entity { } // Paper start + public HitResult getRayTrace(int maxDistance) { + return getRayTrace(maxDistance, ClipContext.Fluid.NONE); + } + + public HitResult getRayTrace(int maxDistance, ClipContext.Fluid fluidCollisionOption) { + if (maxDistance < 1 || maxDistance > 120) { + throw new IllegalArgumentException("maxDistance must be between 1-120"); + } + + Vec3 start = new Vec3(getX(), getY() + getEyeHeight(), getZ()); + org.bukkit.util.Vector dir = getBukkitEntity().getLocation().getDirection().multiply(maxDistance); + Vec3 end = new Vec3(start.x + dir.getX(), start.y + dir.getY(), start.z + dir.getZ()); + ClipContext raytrace = new ClipContext(start, end, ClipContext.Block.OUTLINE, fluidCollisionOption, this); + + return level.clip(raytrace); + } + public int shieldBlockingDelay = level.paperConfig().misc.shieldBlockingDelay; public int getShieldBlockingDelay() { diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java index 04829ced2048b07aa4b2dcf98a601d1fdd9431fb..6c5cb2e5fb1f5bb7eb05a465a24d62e1dad57b93 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java @@ -200,6 +200,28 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity { return blocks.get(0); } + // Paper start + @Override + public Block getTargetBlock(int maxDistance, com.destroystokyo.paper.block.TargetBlockInfo.FluidMode fluidMode) { + net.minecraft.world.phys.HitResult rayTrace = getHandle().getRayTrace(maxDistance, io.papermc.paper.util.MCUtil.getNMSFluidCollisionOption(fluidMode)); + return !(rayTrace instanceof net.minecraft.world.phys.BlockHitResult) ? null : org.bukkit.craftbukkit.block.CraftBlock.at(getHandle().level, ((net.minecraft.world.phys.BlockHitResult)rayTrace).getBlockPos()); + } + + @Override + public org.bukkit.block.BlockFace getTargetBlockFace(int maxDistance, com.destroystokyo.paper.block.TargetBlockInfo.FluidMode fluidMode) { + net.minecraft.world.phys.HitResult rayTrace = getHandle().getRayTrace(maxDistance, io.papermc.paper.util.MCUtil.getNMSFluidCollisionOption(fluidMode)); + return !(rayTrace instanceof net.minecraft.world.phys.BlockHitResult) ? null : io.papermc.paper.util.MCUtil.toBukkitBlockFace(((net.minecraft.world.phys.BlockHitResult)rayTrace).getDirection()); + } + + @Override + public com.destroystokyo.paper.block.TargetBlockInfo getTargetBlockInfo(int maxDistance, com.destroystokyo.paper.block.TargetBlockInfo.FluidMode fluidMode) { + net.minecraft.world.phys.HitResult rayTrace = getHandle().getRayTrace(maxDistance, io.papermc.paper.util.MCUtil.getNMSFluidCollisionOption(fluidMode)); + return !(rayTrace instanceof net.minecraft.world.phys.BlockHitResult) ? null : + new com.destroystokyo.paper.block.TargetBlockInfo(org.bukkit.craftbukkit.block.CraftBlock.at(getHandle().level, ((net.minecraft.world.phys.BlockHitResult)rayTrace).getBlockPos()), + io.papermc.paper.util.MCUtil.toBukkitBlockFace(((net.minecraft.world.phys.BlockHitResult)rayTrace).getDirection())); + } + // Paper end + @Override public List getLastTwoTargetBlocks(Set transparent, int maxDistance) { return this.getLineOfSight(transparent, maxDistance, 2);