add debug method and fix f3 custom block name display

renderer/viewer/lib/mesher/mesher.ts

@@ -141,6 +141,13 @@ const handleMessage = data => {
 
       break
     }
+    case 'getCustomBlockModel': {
+      const pos = new Vec3(data.pos.x, data.pos.y, data.pos.z)
+      const chunkKey = `${Math.floor(pos.x / 16) * 16},${Math.floor(pos.z / 16) * 16}`
+      const customBlockModel = world.customBlockModels.get(chunkKey)?.[`${pos.x},${pos.y},${pos.z}`]
+      global.postMessage({ type: 'customBlockModel', chunkKey, customBlockModel })
+      break
+    }
   // No default
   }
 }

renderer/viewer/lib/worldrendererCommon.ts

@@ -735,6 +735,24 @@ export abstract class WorldRendererCommon<WorkerSend = any, WorkerReceive = any>
     return hash + 1
   }
 
+  async debugGetWorkerCustomBlockModel (pos: Vec3) {
+    const data = [] as Array<Promise<string>>
+    for (const worker of this.workers) {
+      data.push(new Promise((resolve) => {
+        worker.addEventListener('message', (e) => {
+          if (e.data.type === 'customBlockModel') {
+            resolve(e.data.customBlockModel)
+          }
+        })
+      }))
+      worker.postMessage({
+        type: 'getCustomBlockModel',
+        pos
+      })
+    }
+    return Promise.all(data)
+  }
+
   setSectionDirty (pos: Vec3, value = true, useChangeWorker = false) { // value false is used for unloading chunks
     if (this.viewDistance === -1) throw new Error('viewDistance not set')
     this.reactiveState.world.mesherWork = true

src/react/DebugOverlay.tsx

@@ -141,7 +141,7 @@ export default () => {
         setBlockInfo(null)
         return
       }
-      const { customBlockName, modelInfo } = await getThreeJsRendererMethods()?.getBlockInfo(pos, block.stateId) ?? {}
+      const { customBlockName, modelInfo } = await getThreeJsRendererMethods()?.getBlockInfo(block.position, block.stateId) ?? {}
       setBlockInfo({ customBlockName, modelInfo })
     }, 300)