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/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java index 4f45ac04a219e619c13b31befd2c4e452057079c..170b3cbc89793bb92e249383d86a5f0c756d5004 100644 --- a/src/main/java/net/minecraft/server/MCUtil.java +++ b/src/main/java/net/minecraft/server/MCUtil.java @@ -487,6 +487,18 @@ 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 16936d7ce3faec09ccdde58b2bf2b6f9db0f9cd8..cf4640f1e38f3e50b3a85692e032a78b4102d31e 100644 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java @@ -3691,6 +3691,23 @@ 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.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 5c517025576461b426b4a73eea4369f00aeeee41..9c024b46522e2984ed662538302fbac68a77fd86 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java @@ -198,6 +198,28 @@ 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, net.minecraft.server.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, net.minecraft.server.MCUtil.getNMSFluidCollisionOption(fluidMode)); + return !(rayTrace instanceof net.minecraft.world.phys.BlockHitResult) ? null : net.minecraft.server.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, net.minecraft.server.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()), + net.minecraft.server.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);