Allow rules to manage Scarpet apps (Scarpet Rules) (#519)

by altrisi

src/main/java/carpet/script/CarpetEventServer.java

@@ -11,6 +11,7 @@ import carpet.script.value.NBTSerializableValue;
 import carpet.script.value.NumericValue;
 import carpet.script.value.StringValue;
 import carpet.script.value.Value;
+import carpet.settings.ParsedRule;
 import carpet.utils.Messenger;
 import net.minecraft.block.BlockState;
 import net.minecraft.entity.EntityType;
@@ -653,6 +654,25 @@ public class CarpetEventServer
                 );
             }
         };
+        public static final Event CARPET_RULE_CHANGES = new Event("carpet_rule_changes", 2, true)
+        {
+            @Override
+            public void onCarpetRuleChanges(ParsedRule<?> rule, ServerCommandSource source)
+            {
+                String identifier = rule.settingsManager.getIdentifier();
+                final String namespace;
+                if (!identifier.equals("carpet")) 
+                {
+                    namespace = identifier+":";
+                } else { namespace = "";}
+                handler.call(
+                        () -> Arrays.asList(
+                                new StringValue(namespace+rule.name),
+                                new StringValue(rule.getAsString())
+                        ), () -> source
+                );
+            }
+        };
 
         public static String getLoadEvent(EntityType<? extends Entity> et)
         {
@@ -721,6 +741,7 @@ public class CarpetEventServer
 
         public void onWorldEvent(ServerWorld world, BlockPos pos) { }
         public void onWorldEventFlag(ServerWorld world, BlockPos pos, int flag) { }
+        public void onCarpetRuleChanges(ParsedRule<?> rule, ServerCommandSource source) { }
     }