From 5d9daa471dd2e37bf510acda4bc838c796b4319d Mon Sep 17 00:00:00 2001
From: ForestOfLight <briancassriel@gmail.com>
Date: Mon, 14 Apr 2025 12:18:35 -0700
Subject: [PATCH] easyPlace feature-complete

---
 scripts/classes/BlockInfo.js | 27 ++++++++++++++++++++-------
 scripts/rules/easyPlace.js   | 26 ++++++++++----------------
 scripts/utils.js             | 17 +++++++++++++++--
 3 files changed, 45 insertions(+), 25 deletions(-)

diff --git a/scripts/classes/BlockInfo.js b/scripts/classes/BlockInfo.js
index c93e56b..844c391 100644
--- a/scripts/classes/BlockInfo.js
+++ b/scripts/classes/BlockInfo.js
@@ -1,5 +1,6 @@
-import { system, world } from '@minecraft/server';
+import { GameMode, system, world } from '@minecraft/server';
 import { Raycaster } from '../classes/Raycaster';
+import { fetchMatchingItemSlot } from '../utils';
 
 class BlockInfo {
     static shownToLastTick = new Set();
@@ -20,23 +21,35 @@ class BlockInfo {
         }
         if (!block)
             return;
-        player.onScreenDisplay.setActionBar({ text: this.getFormattedBlockInfo(block.permutation) });
+        player.onScreenDisplay.setActionBar({ text: this.getFormattedBlockInfo(player, block.permutation) });
         this.shownToLastTick.add(player.id);
     }
 
-    static getFormattedBlockInfo(block) {
-        const header = 'Structure:\n'
+    static getFormattedBlockInfo(player, block) {
+        return 'Structure:' + this.getSupplyMessage(player, block) + '\n' + this.getBlockMessage(block);
+    }
+
+    static getBlockMessage(block) {
         if (!block)
-            return header + '§7Unknown';
+            return '§7Unknown';
         const states = block.getAllStates();
         if (Object.keys(states).length === 0)
-            return header + `§a${block.type.id}`;
-        return header + `§a${block.type.id}\n§7${this.getFormattedStates(states)}`;
+            return `§a${block.type.id}`;
+        else
+            return `§a${block.type.id}\n§7${this.getFormattedStates(states)}`;
     }
 
     static getFormattedStates(states) {
         return Object.entries(states).map(([key, value]) => `§7${key}: §3${value}`).join('\n');
     }
+
+    static getSupplyMessage(player, block) {
+        const itemStack = fetchMatchingItemSlot(player, block.getItemStack()?.typeId);
+        const isInSurvival = player.getGameMode() === GameMode.survival;
+        if (!itemStack && isInSurvival)
+            return ' §c[No Supply]';
+        return '';
+    }
 }
 
 system.runInterval(() => BlockInfo.onTick());
\ No newline at end of file
diff --git a/scripts/rules/easyPlace.js b/scripts/rules/easyPlace.js
index 0c88a38..bb33e5d 100644
--- a/scripts/rules/easyPlace.js
+++ b/scripts/rules/easyPlace.js
@@ -4,6 +4,7 @@ import { BlockPermutation, EntityComponentTypes, GameMode, ItemStack, system, wo
 import { structureCollection } from '../classes/StructureCollection';
 import { bannedBlocks, bannedToValidBlockMap, whitelistedBlockStates, resetToBlockStates, bannedDimensionBlocks, specialItemPlacementConversions, 
     blockIdToItemStackMap } from '../data';
+import { fetchMatchingItemSlot } from '../utils';
 
 const ACTION_SLOT = 35;
 
@@ -16,7 +17,7 @@ const easyPlace = new Rule({
 extension.addRule(easyPlace);
 
 function onPlayerPlaceBlock(event) {
-    const { player, block } = event;
+    const { player, block, permutationBeingPlaced } = event;
     if (!player || !block || !hasActionItemInCorrectSlot(player)) return;
     const structureBlock = structureCollection.fetchStructureBlock(block.dimension.id, block.location);
     if (!structureBlock)
@@ -33,8 +34,8 @@ function hasActionItemInCorrectSlot(player) {
 }
 
 function tryPlaceBlock(event, player, block, structureBlock) {
-    if (isBannedBlock(player, structureBlock))
-        preventAction(event, player);
+    if (shouldPreventAction(player, structureBlock))
+        return preventAction(event, player);
     structureBlock = tryConvertBannedToValidBlock(structureBlock);
     if (player.getGameMode() === GameMode.creative) {
         placeBlock(block, structureBlock);
@@ -44,6 +45,10 @@ function tryPlaceBlock(event, player, block, structureBlock) {
     }
 }
 
+function shouldPreventAction(player, structureBlock) {
+    return isBannedBlock(player, structureBlock);
+}
+
 function preventAction(event, player) {
     event.cancel = true;
     system.run(() => {
@@ -92,6 +97,8 @@ function tryPlaceBlockSurvival(event, player, block, structureBlock) {
     if (itemSlotToUse) {
         event.cancel = true;
         placeBlock(block, structureBlock, itemSlotToUse);
+    } else {
+        preventAction(event, player);
     }
 }
 
@@ -101,19 +108,6 @@ function getPlaceableItemStack(structureBlock) {
     return newItemId ? new ItemStack(newItemId) : structureBlock.getItemStack();
 }
 
-function fetchMatchingItemSlot(player, itemToMatchId) {
-    if (!itemToMatchId)
-        return void 0;
-    const inventory = player.getComponent(EntityComponentTypes.Inventory)?.container;
-    if (!inventory)
-        return void 0;
-    for (let index = 0; index < inventory.size; index++) {
-        const itemSlot = inventory.getSlot(index);
-        if (itemSlot.hasItem() && itemSlot?.typeId === itemToMatchId)
-            return itemSlot;
-    }
-}
-
 function placeBlock(block, structureBlock, itemSlot) {
     system.run(() => {
         if (itemSlot) {
diff --git a/scripts/utils.js b/scripts/utils.js
index 49caa4e..8505af9 100644
--- a/scripts/utils.js
+++ b/scripts/utils.js
@@ -1,4 +1,4 @@
-import { system } from '@minecraft/server';
+import { system, EntityComponentTypes } from '@minecraft/server';
 import { FormCancelationReason } from '@minecraft/server-ui';
 
 export async function forceShow(player, form, timeout = Infinity) {
@@ -11,4 +11,17 @@ export async function forceShow(player, form, timeout = Infinity) {
             return response;
     }
     throw new Error("Menu timed out.");
-};
\ No newline at end of file
+};
+
+export function fetchMatchingItemSlot(entity, itemToMatchId) {
+    if (!itemToMatchId)
+        return void 0;
+    const inventory = entity.getComponent(EntityComponentTypes.Inventory)?.container;
+    if (!inventory)
+        return void 0;
+    for (let index = 0; index < inventory.size; index++) {
+        const itemSlot = inventory.getSlot(index);
+        if (itemSlot.hasItem() && itemSlot?.typeId === itemToMatchId)
+            return itemSlot;
+    }
+}
\ No newline at end of file