Throw an error when trying to set spawn-rate or spawn-limit if disabled by config

Author: benwoo1110

src/main/java/org/mvplugins/multiverse/core/commands/EntitySpawnConfigCommand.java

@@ -113,9 +113,9 @@ void onModifyCommand(
                 .getSpawnCategoryConfig(spawnCategory)
                 .getStringPropertyHandle()
                 .modifyPropertyString(property, value, action)
-                .onSuccess(ignore -> issuer.sendMessage("Successfully set " + property + " to " + value
+                .onSuccess(ignore -> issuer.sendInfo("Successfully set " + property + " to " + value
                         + " for " + spawnCategory.name() + " in " + world.getName()))
-                .onFailure(e -> issuer.sendMessage("Unable to set " + property + " to " + value
+                .onFailure(e -> issuer.sendError("Unable to set " + property + " to " + value
                         + " for " + spawnCategory.name() + " in " + world.getName() + ": " + e.getMessage()));
 
         worldManager.saveWorldsConfig();

src/main/java/org/mvplugins/multiverse/core/world/entity/SpawnCategoryConfig.java

@@ -167,12 +167,20 @@ private <N extends Node> N node(N node) {
         final ConfigNode<Integer> tickRate = node(ConfigNode.builder("tick-rate", Integer.class)
                 .defaultValue(-1)
                 .suggester(input -> List.of("-1", "10", "100", "400", "1000"))
+                .validator(input -> config.getApplyEntitySpawnRate()
+                        ? Try.success(null)
+                        : Try.failure(new IllegalStateException("Cannot set tick rate as 'apply-entity-spawn-rate' is false in config. " +
+                        "You can re-enable this option with '/mv config set apply-entity-spawn-rate true' command.")))
                 .onSetValue((oldValue, newValue) -> applyConfigToWorld())
                 .build());
 
         final ConfigNode<Integer> spawnLimit = node(ConfigNode.builder("spawn-limit", Integer.class)
                 .defaultValue(-1)
                 .suggester(input -> List.of("-1", "10", "100", "400", "1000"))
+                .validator(input -> config.getApplyEntitySpawnLimit()
+                        ? Try.success(null)
+                        : Try.failure(new IllegalStateException("Cannot set spawn limit as 'apply-entity-spawn-limit' is false in config. " +
+                        "You can re-enable this option with '/mv config set apply-entity-spawn-limit true' command.")))
                 .onSetValue((oldValue, newValue) -> applyConfigToWorld())
                 .build());