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https://github.com/PaperMC/Paper.git
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100 lines
5.0 KiB
Diff
100 lines
5.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: BillyGalbreath <Blake.Galbreath@GMail.com>
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Date: Mon, 3 Sep 2018 18:20:03 -0500
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Subject: [PATCH] Add ray tracing methods to LivingEntity
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diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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index 205c639d26652befebae925fc6e40976c370710f..2e25cb2a04d150d3154bf0d7f0eccb97e65ff53e 100644
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--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
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+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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@@ -3605,6 +3605,23 @@ public abstract class LivingEntity extends Entity {
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this.broadcastBreakEvent(hand == InteractionHand.MAIN_HAND ? EquipmentSlot.MAINHAND : EquipmentSlot.OFFHAND);
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}
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// Paper start
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+ public HitResult getRayTrace(int maxDistance) {
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+ return getRayTrace(maxDistance, ClipContext.Fluid.NONE);
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+ }
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+
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+ public HitResult getRayTrace(int maxDistance, ClipContext.Fluid fluidCollisionOption) {
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+ if (maxDistance < 1 || maxDistance > 120) {
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+ throw new IllegalArgumentException("maxDistance must be between 1-120");
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+ }
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+
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+ Vec3 start = new Vec3(getX(), getY() + getEyeHeight(), getZ());
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+ org.bukkit.util.Vector dir = getBukkitEntity().getLocation().getDirection().multiply(maxDistance);
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+ Vec3 end = new Vec3(start.x + dir.getX(), start.y + dir.getY(), start.z + dir.getZ());
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+ ClipContext raytrace = new ClipContext(start, end, ClipContext.Block.OUTLINE, fluidCollisionOption, this);
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+
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+ return level.clip(raytrace);
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+ }
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+
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public int shieldBlockingDelay = level.paperConfig.shieldBlockingDelay;
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public int getShieldBlockingDelay() {
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
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index 6dd7a722e10a2727f68318b880f2726bb816f198..7e3a215f1592bed9f35e22076d9e35a5a49a430e 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
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@@ -1,5 +1,6 @@
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package org.bukkit.craftbukkit.entity;
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+import com.destroystokyo.paper.block.TargetBlockInfo;
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import com.google.common.base.Preconditions;
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import com.google.common.collect.Sets;
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import java.util.ArrayList;
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@@ -8,6 +9,7 @@ import java.util.Iterator;
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import java.util.List;
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import java.util.Set;
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import java.util.UUID;
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+import net.minecraft.server.MCUtil;
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import net.minecraft.server.level.ServerPlayer;
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import net.minecraft.world.InteractionHand;
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import net.minecraft.world.damagesource.DamageSource;
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@@ -28,6 +30,8 @@ import net.minecraft.world.entity.projectile.ThrownEgg;
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import net.minecraft.world.entity.projectile.ThrownEnderpearl;
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import net.minecraft.world.entity.projectile.ThrownExperienceBottle;
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import net.minecraft.world.entity.projectile.ThrownTrident;
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+import net.minecraft.world.phys.BlockHitResult;
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+import net.minecraft.world.phys.HitResult;
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import org.apache.commons.lang.Validate;
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import org.bukkit.FluidCollisionMode;
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import org.bukkit.Location;
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@@ -37,6 +41,7 @@ import org.bukkit.attribute.AttributeInstance;
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import org.bukkit.block.Block;
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import org.bukkit.craftbukkit.CraftServer;
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import org.bukkit.craftbukkit.CraftWorld;
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+import org.bukkit.craftbukkit.block.CraftBlock;
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import org.bukkit.craftbukkit.entity.memory.CraftMemoryKey;
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import org.bukkit.craftbukkit.entity.memory.CraftMemoryMapper;
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import org.bukkit.craftbukkit.inventory.CraftEntityEquipment;
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@@ -190,6 +195,28 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
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return blocks.get(0);
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}
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+ // Paper start
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+ @Override
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+ public Block getTargetBlock(int maxDistance, TargetBlockInfo.FluidMode fluidMode) {
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+ HitResult rayTrace = getHandle().getRayTrace(maxDistance, MCUtil.getNMSFluidCollisionOption(fluidMode));
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+ return !(rayTrace instanceof BlockHitResult) ? null : CraftBlock.at(getHandle().level, ((BlockHitResult)rayTrace).getBlockPos());
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+ }
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+
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+ @Override
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+ public org.bukkit.block.BlockFace getTargetBlockFace(int maxDistance, TargetBlockInfo.FluidMode fluidMode) {
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+ HitResult rayTrace = getHandle().getRayTrace(maxDistance, MCUtil.getNMSFluidCollisionOption(fluidMode));
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+ return !(rayTrace instanceof BlockHitResult) ? null : MCUtil.toBukkitBlockFace(((BlockHitResult)rayTrace).getDirection());
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+ }
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+
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+ @Override
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+ public TargetBlockInfo getTargetBlockInfo(int maxDistance, TargetBlockInfo.FluidMode fluidMode) {
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+ HitResult rayTrace = getHandle().getRayTrace(maxDistance, MCUtil.getNMSFluidCollisionOption(fluidMode));
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+ return !(rayTrace instanceof BlockHitResult) ? null :
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+ new TargetBlockInfo(CraftBlock.at(getHandle().level, ((BlockHitResult)rayTrace).getBlockPos()),
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+ MCUtil.toBukkitBlockFace(((BlockHitResult)rayTrace).getDirection()));
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+ }
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+ // Paper end
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+
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@Override
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public List<Block> getLastTwoTargetBlocks(Set<Material> transparent, int maxDistance) {
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return getLineOfSight(transparent, maxDistance, 2);
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