Paper/patches/server/0258-Add-ray-tracing-methods-to-LivingEntity.patch
2021-06-12 21:03:02 -07:00

91 lines
5.0 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
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 49fd3486a6c595749f33bbe1c1bec0454e4725c5..5c290f263fc2b643987c96ea75729bf1ff493760 100644
--- a/src/main/java/net/minecraft/server/MCUtil.java
+++ b/src/main/java/net/minecraft/server/MCUtil.java
@@ -482,6 +482,18 @@ 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 acf6f04fa229fb0850217ff3d50bf3b8c16cafdf..773c1e0ed3e10157c968d84b19947d99bb01371a 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3686,6 +3686,23 @@ 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 5194da5a141718390a317d75b31205f951cec7a2..cb4c15d17ea3f22e6baa73ba6ce2a18e34ac4b00 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -190,6 +190,28 @@ 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<Block> getLastTwoTargetBlocks(Set<Material> transparent, int maxDistance) {
return this.getLineOfSight(transparent, maxDistance, 2);