Add /npc snowman -f to form snow

main/src/main/java/net/citizensnpcs/EventListen.java

@@ -112,6 +112,7 @@ import net.citizensnpcs.trait.Controllable;
 import net.citizensnpcs.trait.CurrentLocation;
 import net.citizensnpcs.trait.HologramTrait;
 import net.citizensnpcs.trait.ShopTrait;
+import net.citizensnpcs.trait.versioned.SnowmanTrait;
 import net.citizensnpcs.util.ChunkCoord;
 import net.citizensnpcs.util.Messages;
 import net.citizensnpcs.util.NMS;
@@ -250,7 +251,10 @@ public class EventListen implements Listener {
         if (npc == null)
             return;
         if (npc.getEntity() instanceof Snowman) {
-            event.setCancelled(true);
+            boolean formSnow = npc.hasTrait(SnowmanTrait.class)
+                    ? npc.getTraitNullable(SnowmanTrait.class).shouldFormSnow()
+                    : npc.useMinecraftAI();
+            event.setCancelled(!formSnow);
         }
     }
 

main/src/main/java/net/citizensnpcs/trait/versioned/SnowmanTrait.java

@@ -20,6 +20,8 @@ import net.citizensnpcs.util.Messages;
 public class SnowmanTrait extends Trait {
     @Persist("derp")
     private boolean derp;
+    @Persist
+    private boolean formSnow;
 
     public SnowmanTrait() {
         super("snowmantrait");
@@ -40,18 +42,26 @@ public class SnowmanTrait extends Trait {
         this.derp = derp;
     }
 
+    public void setFormSnow(boolean snow) {
+        formSnow = snow;
+    }
+
+    public boolean shouldFormSnow() {
+        return formSnow;
+    }
+
     public boolean toggleDerp() {
         return derp = !derp;
     }
 
     @Command(
             aliases = { "npc" },
-            usage = "snowman (-d[erp])",
+            usage = "snowman (-d[erp]) (-f[orm snow])",
             desc = "Sets snowman modifiers.",
             modifiers = { "snowman" },
             min = 1,
             max = 1,
-            flags = "d",
+            flags = "df",
             permission = "citizens.npc.snowman")
     @Requirements(selected = true, ownership = true, types = { EntityType.SNOWMAN })
     public static void snowman(CommandContext args, CommandSender sender, NPC npc) throws CommandException {
@@ -62,6 +72,13 @@ public class SnowmanTrait extends Trait {
             Messaging.sendTr(sender, isDerp ? Messages.SNOWMAN_DERP_SET : Messages.SNOWMAN_DERP_STOPPED, npc.getName());
             hasArg = true;
         }
+        if (args.hasFlag('f')) {
+            trait.setFormSnow(!trait.shouldFormSnow());
+            Messaging.sendTr(sender,
+                    trait.shouldFormSnow() ? Messages.SNOWMAN_FORM_SNOW_SET : Messages.SNOWMAN_FORM_SNOW_STOPPED,
+                    npc.getName());
+            hasArg = true;
+        }
         if (!hasArg)
             throw new CommandUsageException();
     }

main/src/main/resources/en.json

@@ -296,6 +296,8 @@
   "citizens.commands.npc.sniffer.state-set" : "[[{0}]]''s state set to [[{1}]].",
   "citizens.commands.npc.snowman.derp-set" : "[[{0}]] is now in derp mode.",
   "citizens.commands.npc.snowman.derp-stopped" : "[[{0}]] is no longer in derp mode.",
+  "citizens.commands.npc.snowman.form-snow-set": "[[{0}]] will now form snow when walking.",
+  "citizens.commands.npc.snowman.form-snow-stopped": "[[{0}]] will no longer form snow when walking.",
   "citizens.commands.npc.sound.info" : "[[{0}]]''s sounds are: ambient - [[{1}]] hurt - [[{2}]] and death - [[{3}]].<br><br>Valid sounds are {4}.",
   "citizens.commands.npc.sound.invalid-sound" : "Invalid sound.",
   "citizens.commands.npc.sound.set" : "[[{0}]]''s sounds are now: ambient - [[{1}]] hurt - [[{2}]] and death - [[{3}]].",