add showStructBlockInfo, fastEasyPlace, and add arrow slot for easyPlace

scripts/rules/easyPlace.js

@@ -5,9 +5,11 @@ import { structureCollection } from '../classes/StructureCollection';
 import { bannedBlocks, bannedToValidBlockMap, whitelistedBlockStates, resetToBlockStates, bannedDimensionBlocks, specialItemPlacementConversions, 
     blockIdToItemStackMap } from '../data';
 
+const ARROW_SLOT = 35;
+
 const easyPlace = new Rule({
     identifier: 'easyPlace',
-    description: { text: 'Places a structure with ease.' },
+    description: { text: 'Simplifies placing blocks in a structure (arrow in bottom right inventory slot).' },
     onEnableCallback: () => { world.beforeEvents.playerPlaceBlock.subscribe(onPlayerPlaceBlock); },
     onDisableCallback: () => { world.beforeEvents.playerPlaceBlock.unsubscribe(onPlayerPlaceBlock); }
 })
@@ -15,13 +17,21 @@ extension.addRule(easyPlace);
 
 function onPlayerPlaceBlock(event) {
     const { player, block } = event;
-    if (!player || !block) return;
+    if (!player || !block || !hasArrowInCorrectSlot(player)) return;
     const structureBlock = fetchStructureBlock(block.location);
     if (!structureBlock)
         return;
     tryPlaceBlock(event, player, block, structureBlock);
 }
 
+function hasArrowInCorrectSlot(player) {
+    const inventory = player.getComponent(EntityComponentTypes.Inventory)?.container;
+    if (!inventory)
+        return false;
+    const arrowSlot = inventory.getSlot(ARROW_SLOT);
+    return arrowSlot.hasItem() && arrowSlot.typeId === 'minecraft:arrow';
+}
+
 function fetchStructureBlock(location) {
     const locatedStructures = structureCollection.getStructuresAtLocation(location);
     if (locatedStructures.length === 0)
@@ -77,7 +87,7 @@ function tryConvertToDefaultState(structureBlock) {
 
 function tryPlaceBlockSurvival(event, player, block, structureBlock) {
     const placeableItemStack = getPlaceableItemStack(structureBlock);
-    console.warn(`Looking for item to place ${structureBlock?.type.id} (${placeableItemStack?.typeId})...`);
+    // console.warn(`Looking for item to place ${structureBlock?.type.id} (${placeableItemStack?.typeId})...`);
     const itemSlotToUse = fetchMatchingItemSlot(player, placeableItemStack?.typeId);
     if (itemSlotToUse) {
         event.cancel = true;