Target command and tag

src/main/java/com/denizenscript/denizen2sponge/Denizen2Sponge.java

@@ -137,6 +137,7 @@ public void onServerStart(GamePreInitializationEvent event) {
         Denizen2Core.register(new PrimeCommand());
         Denizen2Core.register(new RemoveCommand());
         Denizen2Core.register(new SpawnCommand());
+        Denizen2Core.register(new TargetCommand());
         Denizen2Core.register(new TeleportCommand());
         Denizen2Core.register(new UnflagCommand());
         // Commands: Item

src/main/java/com/denizenscript/denizen2sponge/commands/entity/DefuseCommand.java

@@ -20,6 +20,7 @@ public class DefuseCommand extends AbstractCommand {
     // @Maximum 1
     // @Description
     // Defuses an explosive entity. Inverse of <@link command prime>prime<@/link>.
+    // @Warning This command does not work in Sponge during last testing.
     // @Example
     // # This example defuses the creeper the player is looking at.
     // - defuse <player.target_entities[type:creeper].get[1]>

src/main/java/com/denizenscript/denizen2sponge/commands/entity/PrimeCommand.java

@@ -20,6 +20,7 @@ public class PrimeCommand extends AbstractCommand {
     // @Maximum 1
     // @Description
     // Primes an explosive entity. Inverse of <@link command defuse>defuse<@/link>.
+    // @Warning This command does not work in Sponge during last testing.
     // @Example
     // # This example primes the creeper the player is looking at.
     // - prime <player.target_entities[type:creeper].get[1]>

src/main/java/com/denizenscript/denizen2sponge/commands/entity/TargetCommand.java

@@ -0,0 +1,58 @@
+package com.denizenscript.denizen2sponge.commands.entity;
+
+import com.denizenscript.denizen2core.commands.AbstractCommand;
+import com.denizenscript.denizen2core.commands.CommandEntry;
+import com.denizenscript.denizen2core.commands.CommandQueue;
+import com.denizenscript.denizen2core.utilities.debugging.ColorSet;
+import com.denizenscript.denizen2sponge.tags.objects.EntityTag;
+import org.spongepowered.api.entity.living.Agent;
+
+public class TargetCommand extends AbstractCommand {
+
+    // <--[command]
+    // @Since 0.4.0
+    // @Name target
+    // @Arguments <entity> <target entity>
+    // @Short sets the target entity of an entity's AI.
+    // @Updated 2018/01/16
+    // @Group Entity
+    // @Minimum 2
+    // @Maximum 2
+    // @Description
+    // Sets the target entity of an entity's AI. This overrides the AI's target selector.
+    // @Example
+    // # This example makes an iron golem in front of the player attack him.
+    // - target <player.target_entities[type:iron_golem].get[1]> <player>
+    // -->
+
+    @Override
+    public String getName() {
+        return "target";
+    }
+
+    @Override
+    public String getArguments() {
+        return "<entity> <target entity>";
+    }
+
+    @Override
+    public int getMinimumArguments() {
+        return 2;
+    }
+
+    @Override
+    public int getMaximumArguments() {
+        return 2;
+    }
+
+    @Override
+    public void execute(CommandQueue queue, CommandEntry entry) {
+        EntityTag ent = EntityTag.getFor(queue.error, entry.getArgumentObject(queue, 0));
+        EntityTag target = EntityTag.getFor(queue.error, entry.getArgumentObject(queue, 1));
+        ((Agent) ent.getInternal()).setTarget(target.getInternal());
+        if (queue.shouldShowGood()) {
+            queue.outGood("Entity '" + ColorSet.emphasis + ent.debug() + ColorSet.good
+                    + "' is now targeting entity '" + ColorSet.emphasis + target.debug() + ColorSet.good + "'!");
+        }
+    }
+}

src/main/java/com/denizenscript/denizen2sponge/tags/objects/EntityTag.java

@@ -24,13 +24,13 @@
 import org.spongepowered.api.entity.hanging.LeashHitch;
 import org.spongepowered.api.entity.hanging.Painting;
 import org.spongepowered.api.entity.living.Ageable;
+import org.spongepowered.api.entity.living.Agent;
 import org.spongepowered.api.entity.living.Living;
 import org.spongepowered.api.entity.living.player.Player;
 import org.spongepowered.api.entity.projectile.Projectile;
 import org.spongepowered.api.entity.projectile.source.BlockProjectileSource;
 import org.spongepowered.api.entity.projectile.source.ProjectileSource;
 import org.spongepowered.api.entity.vehicle.Boat;
-import org.spongepowered.api.item.ItemTypes;
 import org.spongepowered.api.item.inventory.Carrier;
 import org.spongepowered.api.item.inventory.ItemStack;
 import org.spongepowered.api.util.Color;
@@ -810,7 +810,7 @@ else if (ent instanceof Ageable) {
         // If no distance is specified, the default hand-reach distance is used.
         // -->
         handlers.put("target_block", (dat, obj) -> {
-            Entity ent = ((EntityTag) obj).getInternal();
+            Entity ent = ((EntityTag) obj).internal;
             return new LocationTag(BlockRay.from(ent)
                     .stopFilter(BlockRay.continueAfterFilter(BlockRay.onlyAirFilter(), 1))
                     .distanceLimit(dat.hasNextModifier() ? NumberTag.getFor(dat.error, dat.getNextModifier()).getInternal() :
@@ -826,7 +826,7 @@ else if (ent instanceof Ageable) {
         // If no distance is specified, the default hand-reach distance is used.
         // -->
         handlers.put("precise_target_location", (dat, obj) -> {
-            Entity ent = ((EntityTag) obj).getInternal();
+            Entity ent = ((EntityTag) obj).internal;
             BlockRayHit hit = BlockRay.from(ent).stopFilter(BlockRay.continueAfterFilter(BlockRay.onlyAirFilter(), 1))
                     .distanceLimit(dat.hasNextModifier() ? NumberTag.getFor(dat.error, dat.getNextModifier()).getInternal() :
                             (Utilities.getHandReach(ent))).build().end().get();
@@ -842,7 +842,7 @@ else if (ent instanceof Ageable) {
         // If no distance is specified, the default hand-reach distance is used.
         // -->
         handlers.put("precise_target_normal", (dat, obj) -> {
-            Entity ent = ((EntityTag) obj).getInternal();
+            Entity ent = ((EntityTag) obj).internal;
             return new LocationTag(BlockRay.from(ent)
                     .stopFilter(BlockRay.continueAfterFilter(BlockRay.onlyAirFilter(), 1))
                     .distanceLimit(dat.hasNextModifier() ? NumberTag.getFor(dat.error, dat.getNextModifier()).getInternal() :
@@ -859,7 +859,7 @@ else if (ent instanceof Ageable) {
         // Input is type:<EntityTypeTag>|range:<NumberTag>
         // -->
         handlers.put("target_entities", (dat, obj) -> {
-            Entity ent = ((EntityTag) obj).getInternal();
+            Entity ent = ((EntityTag) obj).internal;
             ListTag list = new ListTag();
             MapTag map = MapTag.getFor(dat.error, dat.getNextModifier());
             EntityTypeTag requiredTypeTag = null;
@@ -903,8 +903,38 @@ else if (ent instanceof Ageable) {
         // @Group Explosive Entities
         // @ReturnType BooleanTag
         // @Returns whether an explosive entity is primed.
+        // @Warning This tag always returns false in Sponge during last testing.
         // -->
         handlers.put("is_primed", (dat, obj) -> new BooleanTag(((FusedExplosive) ((EntityTag) obj).internal).isPrimed()));
+        // <--[tag]
+        // @Since 0.4.0
+        // @Name EntityTag.has_ai
+        // @Updated 2018/01/16
+        // @Group Entity Behavior
+        // @ReturnType BooleanTag
+        // @Returns whether an entity has ai enabled.
+        // -->
+        handlers.put("has_ai", (dat, obj) -> new BooleanTag(((Agent) ((EntityTag) obj).internal).aiEnabled().get()));
+        // <--[tag]
+        // @Since 0.4.0
+        // @Name EntityTag.ai_target
+        // @Updated 2018/01/16
+        // @Group Entity Behavior
+        // @ReturnType EntityTag
+        // @Returns the entity that is being targeted by this entity's AI, if any.
+        // -->
+        handlers.put("ai_target", (dat, obj) -> {
+            Optional<Entity> opt = ((Agent) ((EntityTag) obj).internal).getTarget();
+            if (opt.isPresent()) {
+                return new EntityTag(opt.get());
+            }
+            else {
+                if (!dat.hasFallback()) {
+                    dat.error.run("This entity doesn't have target!");
+                }
+                return new NullTag();
+            }
+        });
     }
 
     public static EntityTag getFor(Action<String> error, String text) {