Structure Hooks

spi/src/main/java/art/arcane/iris/spi/IrisPlatform.java

@@ -34,6 +34,8 @@ public interface IrisPlatform {
 
     PlatformCapabilities capabilities();
 
+    PlatformStructureHooks structureHooks();
+
     File dataFolder();
 
     void dispatchConsoleCommand(String command);

spi/src/main/java/art/arcane/iris/spi/PlatformStructureHooks.java

@@ -0,0 +1,40 @@
+/*
+ * Iris is a World Generator for Minecraft Bukkit Servers
+ * Copyright (c) 2026 Arcane Arts (Volmit Software)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package art.arcane.iris.spi;
+
+import java.util.List;
+
+/**
+ * Neutral access to the host platform's structure, structure-set and configured-feature registries plus placement entry points.
+ */
+public interface PlatformStructureHooks {
+    List<String> structureKeys();
+
+    List<String> structureSetKeys();
+
+    List<String> structureBiomeKeys(String structureKey);
+
+    List<String> objectFeatureKeys();
+
+    boolean placeFeature(PlatformWorld world, int x, int y, int z, String featureKey, long seed);
+
+    int[] placeStructure(PlatformWorld world, int chunkX, int chunkZ, String structureKey, long seed, int maxSpan);
+
+    boolean supportsStructurePlacement();
+}