Import changedSlots computation from prismarine-windows (#3134)

* copy changedSlots logic from prismarine-windows

* added possibility for returning slots directly

* lint fix

* fix lint

* depend on other pr for tests

* fix slot comparing

* fix

* Update package.json

---------

Co-authored-by: Romain Beaumont <romain.rom1@gmail.com>

Author: kaduvert

lib/plugins/inventory.js

@@ -479,6 +479,20 @@ function inject (bot, { hideErrors }) {
     }
   }
 
+  function getChangedSlots (oldSlots, newSlots) {
+    assert.equal(oldSlots.length, newSlots.length)
+
+    const changedSlots = []
+
+    for (let i = 0; i < newSlots.length; i++) {
+      if (!Item.equal(oldSlots[i], newSlots[i])) {
+        changedSlots.push(i)
+      }
+    }
+
+    return changedSlots
+  }
+
   async function clickWindow (slot, mouseButton, mode) {
     // if you click on the quick bar and have dug recently,
     // wait a bit
@@ -506,7 +520,33 @@ function inject (bot, { hideErrors }) {
     if (bot.supportFeature('transactionPacketExists')) {
       windowClickQueue.push(click)
     } else {
-      changedSlots = window.acceptClick(click)
+      if (
+      // this array indicates the clicks that return changedSlots
+        [
+          0,
+          // 1,
+          // 2,
+          3,
+          4
+          // 5,
+          // 6
+        ].includes(click.mode)) {
+        changedSlots = window.acceptClick(click)
+      } else {
+        // this is used as a fallback
+        const oldSlots = JSON.parse(JSON.stringify(window.slots))
+
+        window.acceptClick(click)
+
+        changedSlots = getChangedSlots(oldSlots, window.slots)
+      }
+
+      changedSlots = changedSlots.map(slot => {
+        return {
+          location: slot,
+          item: Item.toNotch(window.slots[slot])
+        }
+      })
     }
 
     // WHEN ADDING SUPPORT FOR OTHER CLICKS, MAKE SURE TO CHANGE changedSlots TO SUPPORT THEM

package.json

@@ -33,7 +33,7 @@
     "prismarine-physics": "^1.7.0",
     "prismarine-recipe": "^1.3.0",
     "prismarine-registry": "^1.5.0",
-    "prismarine-windows": "^2.5.0",
+    "prismarine-windows": "^2.8.0",
     "prismarine-world": "^3.6.0",
     "protodef": "^1.14.0",
     "typed-emitter": "^1.0.0",