From ddc02035db6d0b433bfe35ef8c7e3bb671820310 Mon Sep 17 00:00:00 2001
From: mcmonkey4eva <mcmonkey4eva@hotmail.com>
Date: Mon, 8 Aug 2016 02:40:26 -0700
Subject: [PATCH] Add lookat to walk command

---
 .../commands/BukkitCommandRegistry.java       |  4 ++--
 .../scripts/commands/entity/WalkCommand.java  | 24 +++++++++++++++++--
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/src/main/java/net/aufdemrand/denizen/scripts/commands/BukkitCommandRegistry.java b/src/main/java/net/aufdemrand/denizen/scripts/commands/BukkitCommandRegistry.java
index 01ab41f54e..1954992a91 100644
--- a/src/main/java/net/aufdemrand/denizen/scripts/commands/BukkitCommandRegistry.java
+++ b/src/main/java/net/aufdemrand/denizen/scripts/commands/BukkitCommandRegistry.java
@@ -3876,7 +3876,7 @@ public void registerCoreMembers() {
 
         // <--[command]
         // @Name Walk
-        // @Syntax walk (<entity>|...) [<location>/stop] (speed:<#.#>) (auto_range) (radius:<#.#>)
+        // @Syntax walk (<entity>|...) [<location>/stop] (speed:<#.#>) (auto_range) (radius:<#.#>) (lookat:<location>)
         // @Required 1
         // @Stable stable
         // @Short Causes an entity or list of entities to walk to another location.
@@ -3896,7 +3896,7 @@ public void registerCoreMembers() {
         // TODO: Document Command Details
         // -->
         registerCoreMember(WalkCommand.class,
-                "WALK, WALKTO", "walk (<entity>|...) [<location>/stop] (speed:<#>) (auto_range) (radius:<#.#>)", 1);
+                "WALK, WALKTO", "walk (<entity>|...) [<location>/stop] (speed:<#>) (auto_range) (radius:<#.#>) (lookat:<location>)", 1);
 
         // <--[command]
         // @Name Weather
diff --git a/src/main/java/net/aufdemrand/denizen/scripts/commands/entity/WalkCommand.java b/src/main/java/net/aufdemrand/denizen/scripts/commands/entity/WalkCommand.java
index 15f02887af..f54c3397ab 100644
--- a/src/main/java/net/aufdemrand/denizen/scripts/commands/entity/WalkCommand.java
+++ b/src/main/java/net/aufdemrand/denizen/scripts/commands/entity/WalkCommand.java
@@ -1,5 +1,6 @@
 package net.aufdemrand.denizen.scripts.commands.entity;
 
+import com.google.common.base.Function;
 import net.aufdemrand.denizen.BukkitScriptEntryData;
 import net.aufdemrand.denizen.objects.dEntity;
 import net.aufdemrand.denizen.objects.dLocation;
@@ -16,6 +17,8 @@
 import net.aufdemrand.denizencore.scripts.ScriptEntry;
 import net.aufdemrand.denizencore.scripts.commands.AbstractCommand;
 import net.aufdemrand.denizencore.scripts.commands.Holdable;
+import net.citizensnpcs.api.ai.Navigator;
+import org.bukkit.Location;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -34,9 +37,10 @@ public void parseArgs(ScriptEntry scriptEntry) throws InvalidArgumentsException
 
         for (aH.Argument arg : aH.interpret(scriptEntry.getArguments())) {
 
-            if (!scriptEntry.hasObject("location")
+            if (!scriptEntry.hasObject("lookat")
+                    && arg.matchesPrefix("lookat")
                     && arg.matchesArgumentType(dLocation.class)) {
-                scriptEntry.addObject("location", arg.asType(dLocation.class));
+                scriptEntry.addObject("lookat", arg.asType(dLocation.class));
             }
 
             else if (!scriptEntry.hasObject("speed")
@@ -61,6 +65,11 @@ else if (!scriptEntry.hasObject("stop")
                 scriptEntry.addObject("stop", new Element(true));
             }
 
+            else if (!scriptEntry.hasObject("location")
+                    && arg.matchesArgumentType(dLocation.class)) {
+                scriptEntry.addObject("location", arg.asType(dLocation.class));
+            }
+
             else if (!scriptEntry.hasObject("entities")
                     && arg.matchesArgumentList(dEntity.class)) {
                 scriptEntry.addObject("entities", arg.asType(dList.class).filter(dEntity.class));
@@ -105,6 +114,7 @@ public void execute(ScriptEntry scriptEntry) throws CommandExecutionException {
         Element radius = scriptEntry.getElement("radius");
         Element stop = scriptEntry.getElement("stop");
         List<dEntity> entities = (List<dEntity>) scriptEntry.getObject("entities");
+        final dLocation lookat = scriptEntry.getdObject("lookat");
 
 
         // Debug the execution
@@ -113,6 +123,7 @@ public void execute(ScriptEntry scriptEntry) throws CommandExecutionException {
                 + (speed != null ? speed.debug() : "")
                 + (auto_range != null ? auto_range.debug() : "")
                 + (radius != null ? radius.debug() : "")
+                + (lookat != null ? lookat.debug() : "")
                 + stop.debug()
                 + (aH.debugObj("entities", entities)));
 
@@ -146,6 +157,15 @@ public void execute(ScriptEntry scriptEntry) throws CommandExecutionException {
 
                 npc.getNavigator().setTarget(loc);
 
+                if (lookat != null) {
+                    npc.getNavigator().getLocalParameters().lookAtFunction(new Function<Navigator, Location>() {
+                        @Override
+                        public Location apply(Navigator nav) {
+                            return lookat;
+                        }
+                    });
+                }
+
                 if (speed != null) {
                     npc.getNavigator().getLocalParameters().speedModifier(speed.asFloat());
                 }