small dupe fix

Author: leaftail1880

src/lib/assets/player-json.ts

@@ -81,7 +81,7 @@ export const playerJson = {
               "duration": 3,
               "amplifier": 255,
               "visible": false,
-              "display_on_screen_animation": true
+              "display_on_screen_animation": false
             },
             {
               "effect": "fire_resistance",
@@ -108,7 +108,7 @@ export const playerJson = {
               "duration": 1,
               "amplifier": 255,
               "visible": false,
-              "display_on_screen_animation": true
+              "display_on_screen_animation": false
             },
             {
               "effect": "fire_resistance",
@@ -128,7 +128,7 @@ export const playerJson = {
               "duration": 1,
               "amplifier": 1,
               "visible": false,
-              "display_on_screen_animation": true
+              "display_on_screen_animation": false
             }
           ]
         }

src/modules/anticheat/dupe.ts

@@ -0,0 +1,26 @@
+import { system, world } from '@minecraft/server'
+import { MinecraftBlockTypes } from '@minecraft/vanilla-data'
+import { Vec } from 'lib'
+
+world.afterEvents.pistonActivate.subscribe(event => {
+  const blocks = event.piston.getAttachedBlocksLocations()
+
+  system.runTimeout(
+    () => {
+      if (!event.block.isValid) return
+      for (const blockl of blocks) {
+        const block = event.block.dimension.getBlock(blockl)
+        if (block?.typeId === MinecraftBlockTypes.Hopper) {
+          const nearbyPlayers = event.block.dimension.getPlayers({ location: event.block.location, maxDistance: 20 })
+          console.warn(
+            `PISTON DUPE DETECTED!!! ${Vec.string(event.block.location)}\n${nearbyPlayers.map(e => e.name).join('\n')}`,
+          )
+          event.block.dimension.createExplosion(event.block.location, 1, { breaksBlocks: true })
+          return
+        }
+      }
+    },
+    'piston dupe prevent',
+    2,
+  )
+})

src/modules/anticheat/index.ts

@@ -1,2 +1,3 @@
+import './dupe'
 import './forbidden-items'
 import './whitelist'