diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 15fb588d..176ec855 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -63,7 +63,7 @@ importers:
         version: 4.18.2
       flying-squid:
         specifier: github:zardoy/space-squid#everything
-        version: github.com/zardoy/space-squid/acf7b6f8cbcc204007eed767eb52a527a85b3ab0
+        version: github.com/zardoy/space-squid/bdf1e0859ad435bf722e5b7794b84a50b84c5c7f
       fs-extra:
         specifier: ^11.1.1
         version: 11.1.1
@@ -211,7 +211,7 @@ importers:
         version: github.com/zardoy/minecraft-inventory-gui/c1331c91fb39bd562dc48eeb33321240d4870edd(@types/react@18.2.20)(react@18.2.0)
       mineflayer:
         specifier: github:zardoy/mineflayer#custom
-        version: github.com/zardoy/mineflayer/66e34da4a02381a6a45582afe0d3bfab6dba60c6
+        version: github.com/zardoy/mineflayer/e828c161aab120f2d926fba48de3b4d57c361710
       mineflayer-pathfinder:
         specifier: ^2.4.4
         version: 2.4.4
@@ -14391,8 +14391,8 @@ packages:
       - encoding
       - supports-color
 
-  github.com/zardoy/mineflayer/66e34da4a02381a6a45582afe0d3bfab6dba60c6:
-    resolution: {tarball: https://codeload.github.com/zardoy/mineflayer/tar.gz/66e34da4a02381a6a45582afe0d3bfab6dba60c6}
+  github.com/zardoy/mineflayer/e828c161aab120f2d926fba48de3b4d57c361710:
+    resolution: {tarball: https://codeload.github.com/zardoy/mineflayer/tar.gz/e828c161aab120f2d926fba48de3b4d57c361710}
     name: mineflayer
     version: 4.14.0
     engines: {node: '>=14'}
@@ -14467,8 +14467,8 @@ packages:
       - utf-8-validate
     dev: false
 
-  github.com/zardoy/space-squid/acf7b6f8cbcc204007eed767eb52a527a85b3ab0:
-    resolution: {tarball: https://codeload.github.com/zardoy/space-squid/tar.gz/acf7b6f8cbcc204007eed767eb52a527a85b3ab0}
+  github.com/zardoy/space-squid/bdf1e0859ad435bf722e5b7794b84a50b84c5c7f:
+    resolution: {tarball: https://codeload.github.com/zardoy/space-squid/tar.gz/bdf1e0859ad435bf722e5b7794b84a50b84c5c7f}
     name: flying-squid
     version: 1.5.0
     engines: {node: '>=8'}
diff --git a/src/controls.ts b/src/controls.ts
index 7ae63b43..c4278882 100644
--- a/src/controls.ts
+++ b/src/controls.ts
@@ -232,11 +232,12 @@ document.addEventListener('keydown', (e) => {
       if (localServer) {
         localServer.players[0].world.columns = {}
       }
-      reloadChunks()
+      void reloadChunks()
     }
     if (e.code === 'KeyG') {
       // todo make it work without reload
       options.showChunkBorders = !options.showChunkBorders
+      void reloadChunks()
     }
     return
   }
diff --git a/src/globalState.ts b/src/globalState.ts
index e6183bd8..0feb91b9 100644
--- a/src/globalState.ts
+++ b/src/globalState.ts
@@ -2,7 +2,8 @@
 
 import { proxy, ref, subscribe } from 'valtio'
 import { pointerLock } from './utils'
-import { OptionsGroupType, options } from './optionsStorage'
+import { options } from './optionsStorage'
+import type { OptionsGroupType } from './optionsGuiScheme'
 
 // todo: refactor structure with support of hideNext=false
 
diff --git a/src/globals.d.ts b/src/globals.d.ts
index 770020c6..dd6bf4d1 100644
--- a/src/globals.d.ts
+++ b/src/globals.d.ts
@@ -7,6 +7,9 @@ declare const __type_bot: typeof bot
 declare const viewer: import('prismarine-viewer/viewer/lib/viewer').Viewer | undefined
 declare const worldView: import('prismarine-viewer/viewer/lib/worldDataEmitter').WorldDataEmitter | undefined
 declare const localServer: any
+/** all currently loaded mc data */
+declare const mcData: Record<string, any>
+declare const loadedData: import('minecraft-data').IndexedData
 
 declare interface Document {
     getElementById (id): any
diff --git a/src/optionsStorage.tsx b/src/optionsGuiScheme.tsx
similarity index 56%
rename from src/optionsStorage.tsx
rename to src/optionsGuiScheme.tsx
index cf58b676..f43be7b8 100644
--- a/src/optionsStorage.tsx
+++ b/src/optionsGuiScheme.tsx
@@ -1,73 +1,19 @@
-// todo implement async options storage
-
-import { proxy, subscribe } from 'valtio/vanilla'
-// weird webpack configuration bug: it cant import valtio/utils in this file
-import { subscribeKey } from 'valtio/utils'
 import { useState } from 'react'
 import { useSnapshot } from 'valtio'
-import { OptionMeta, OptionSlider } from './react/OptionsItems'
-import Button from './react/Button'
-import { openOptionsMenu } from './globalState'
+import { isGameActive, openOptionsMenu } from './globalState'
 import { openURL } from './menus/components/common'
+import { AppOptions, options } from './optionsStorage'
+import Button from './react/Button'
+import { OptionMeta } from './react/OptionsItems'
 import Slider from './react/Slider'
-import { getScreenRefreshRate } from './utils'
+import { getScreenRefreshRate, openFilePicker, setLoadingScreenStatus } from './utils'
+import { getResourcePackName, resourcePackState, uninstallTexturePack } from './texturePack'
+import { fsState } from './loadSave'
 
-const mergeAny: <T>(arg1: T, arg2: any) => T = Object.assign
-
-const defaultOptions = {
-  renderDistance: 4,
-  closeConfirmation: true,
-  autoFullScreen: false,
-  mouseRawInput: false,
-  autoExitFullscreen: false,
-  localUsername: 'wanderer',
-  mouseSensX: 50,
-  mouseSensY: 50 as number | true,
-  // mouseInvertX: false,
-  chatWidth: 320,
-  chatHeight: 180,
-  chatScale: 100,
-  volume: 50,
-  // fov: 70,
-  fov: 75,
-  guiScale: 3,
-  autoRequestCompletions: true,
-  touchButtonsSize: 40,
-  highPerformanceGpu: false,
-
-  showChunkBorders: false,
-  frameLimit: false as number | false,
-  alwaysBackupWorldBeforeLoading: undefined as boolean | undefined | null,
-  alwaysShowMobileControls: false,
-  maxMultiplayerRenderDistance: null as number | null,
-  excludeCommunicationDebugEvents: [],
-  preventDevReloadWhilePlaying: false,
-  numWorkers: 4,
-  localServerOptions: {} as any,
-  preferLoadReadonly: false,
-  disableLoadPrompts: false,
-  guestUsername: 'guest',
-  askGuestName: true,
-
-  // advanced bot options
-  autoRespawn: false
-}
-
-export type AppOptions = typeof defaultOptions
-
-export type OptionsGroupType = 'main' | 'render' | 'interface' | 'controls' | 'sound' | 'advanced'
-// todo refactor to separate file like optionsGUI.tsx
 export const guiOptionsScheme: {
   [t in OptionsGroupType]: Array<{ [k in keyof AppOptions]?: Partial<OptionMeta> } & { custom?}>
 } = {
   render: [
-    {
-      renderDistance: {
-        unit: '',
-        min: 2,
-        max: 16
-      },
-    },
     {
       custom () {
         const frameLimitValue = useSnapshot(options).frameLimit
@@ -106,8 +52,10 @@ export const guiOptionsScheme: {
       }
     },
     {
-      custom () {
-        return <Button label='Interface...' onClick={() => openOptionsMenu('interface')} inScreen />
+      renderDistance: {
+        unit: '',
+        min: 2,
+        max: 16
       },
     },
     {
@@ -115,6 +63,11 @@ export const guiOptionsScheme: {
         return <Button label='Render...' onClick={() => openOptionsMenu('render')} inScreen />
       },
     },
+    {
+      custom () {
+        return <Button label='Interface...' onClick={() => openOptionsMenu('interface')} inScreen />
+      },
+    },
     {
       custom () {
         return <Button label='Sound...' onClick={() => openOptionsMenu('sound')} inScreen />
@@ -124,6 +77,33 @@ export const guiOptionsScheme: {
       custom () {
         return <Button label='Controls...' onClick={() => openOptionsMenu('controls')} inScreen />
       },
+    },
+    // {
+    //   custom () {
+    //     return <Button label='Advanced...' onClick={() => openOptionsMenu('advanced')} inScreen />
+    //   },
+    // },
+    {
+      custom () {
+        const { resourcePackInstalled } = useSnapshot(resourcePackState)
+        return <Button label={`Resource Pack... ${resourcePackInstalled ? 'ON' : 'OFF'}`} inScreen onClick={async () => {
+          if (resourcePackState.resourcePackInstalled) {
+            const resourcePackName = await getResourcePackName()
+            if (confirm(`Uninstall ${resourcePackName} resource pack?`)) {
+              // todo make hidable
+              setLoadingScreenStatus('Uninstalling texturepack...')
+              await uninstallTexturePack()
+              setLoadingScreenStatus(undefined)
+            }
+          } else {
+            if (!fsState.inMemorySave && isGameActive(false)) {
+              alert('Unable to install resource pack in loaded save for now')
+              return
+            }
+            openFilePicker('resourcepack')
+          }
+        }} />
+      },
     }
   ],
   interface: [
@@ -148,12 +128,16 @@ export const guiOptionsScheme: {
       // keybindings
       mouseSensX: {},
       mouseSensY: {},
-      mouseRawInput: {},
+      mouseRawInput: {
+        tooltip: 'Wether to disable any mouse acceleration (MC does it by default). Most probably it is still supported only by Chrome.',
+        disabledReason: document.documentElement.requestPointerLock ? undefined : 'Your browser does not support pointer lock.',
+      },
       alwaysShowMobileControls: {
         text: 'Always Mobile Controls',
       },
       autoFullScreen: {
         tooltip: 'Auto Fullscreen allows you to use Ctrl+W and Escape having to wait/click on screen again.',
+        disabledReason: navigator['keyboard'] ? undefined : 'Your browser doesn\'t support keyboard lock API'
       },
       autoExitFullscreen: {
         tooltip: 'Exit fullscreen on escape (pause menu open). But note you can always do it with F11.',
@@ -164,45 +148,11 @@ export const guiOptionsScheme: {
     }
   ],
   sound: [
-    { volume: {} }
+    { volume: {} },
+    // { ignoreSilentSwitch: {} },
   ],
   advanced: [
 
   ],
 }
-
-export const options = proxy(
-  mergeAny(defaultOptions, JSON.parse(localStorage.options || '{}'))
-)
-
-window.options = window.settings = options
-
-subscribe(options, () => {
-  localStorage.options = JSON.stringify(options)
-})
-
-type WatchValue = <T extends Record<string, any>>(proxy: T, callback: (p: T) => void) => void
-
-export const watchValue: WatchValue = (proxy, callback) => {
-  const watchedProps = new Set<string>()
-  callback(new Proxy(proxy, {
-    get (target, p, receiver) {
-      watchedProps.add(p.toString())
-      return Reflect.get(target, p, receiver)
-    },
-  }))
-  for (const prop of watchedProps) {
-    subscribeKey(proxy, prop, () => {
-      callback(proxy)
-    })
-  }
-}
-
-watchValue(options, o => {
-  globalThis.excludeCommunicationDebugEvents = o.excludeCommunicationDebugEvents
-})
-
-export const useOptionValue = (setting, valueCallback) => {
-  valueCallback(setting)
-  subscribe(setting, valueCallback)
-}
+export type OptionsGroupType = 'main' | 'render' | 'interface' | 'controls' | 'sound' | 'advanced'
diff --git a/src/optionsStorage.ts b/src/optionsStorage.ts
new file mode 100644
index 00000000..52bd3cc5
--- /dev/null
+++ b/src/optionsStorage.ts
@@ -0,0 +1,84 @@
+// todo implement async options storage
+
+import { proxy, subscribe } from 'valtio/vanilla'
+// weird webpack configuration bug: it cant import valtio/utils in this file
+import { subscribeKey } from 'valtio/utils'
+
+const mergeAny: <T>(arg1: T, arg2: any) => T = Object.assign
+
+const defaultOptions = {
+  renderDistance: 4,
+  closeConfirmation: true,
+  autoFullScreen: false,
+  mouseRawInput: false,
+  autoExitFullscreen: false,
+  localUsername: 'wanderer',
+  mouseSensX: 50,
+  mouseSensY: 50 as number | true,
+  // mouseInvertX: false,
+  chatWidth: 320,
+  chatHeight: 180,
+  chatScale: 100,
+  volume: 50,
+  // fov: 70,
+  fov: 75,
+  guiScale: 3,
+  autoRequestCompletions: true,
+  touchButtonsSize: 40,
+  highPerformanceGpu: false,
+
+  showChunkBorders: false,
+  frameLimit: false as number | false,
+  alwaysBackupWorldBeforeLoading: undefined as boolean | undefined | null,
+  alwaysShowMobileControls: false,
+  maxMultiplayerRenderDistance: null as number | null,
+  excludeCommunicationDebugEvents: [],
+  preventDevReloadWhilePlaying: false,
+  numWorkers: 4,
+  localServerOptions: {} as any,
+  preferLoadReadonly: false,
+  disableLoadPrompts: false,
+  guestUsername: 'guest',
+  askGuestName: true,
+
+  // advanced bot options
+  autoRespawn: false
+}
+
+export type AppOptions = typeof defaultOptions
+
+export const options = proxy(
+  mergeAny(defaultOptions, JSON.parse(localStorage.options || '{}'))
+)
+
+window.options = window.settings = options
+
+subscribe(options, () => {
+  localStorage.options = JSON.stringify(options)
+})
+
+type WatchValue = <T extends Record<string, any>>(proxy: T, callback: (p: T) => void) => void
+
+export const watchValue: WatchValue = (proxy, callback) => {
+  const watchedProps = new Set<string>()
+  callback(new Proxy(proxy, {
+    get (target, p, receiver) {
+      watchedProps.add(p.toString())
+      return Reflect.get(target, p, receiver)
+    },
+  }))
+  for (const prop of watchedProps) {
+    subscribeKey(proxy, prop, () => {
+      callback(proxy)
+    })
+  }
+}
+
+watchValue(options, o => {
+  globalThis.excludeCommunicationDebugEvents = o.excludeCommunicationDebugEvents
+})
+
+export const useOptionValue = (setting, valueCallback) => {
+  valueCallback(setting)
+  subscribe(setting, valueCallback)
+}
diff --git a/src/react/OptionsGroup.tsx b/src/react/OptionsGroup.tsx
index dc5a8cb7..ebed9098 100644
--- a/src/react/OptionsGroup.tsx
+++ b/src/react/OptionsGroup.tsx
@@ -1,5 +1,6 @@
 import { titleCase } from 'title-case'
-import { OptionsGroupType, guiOptionsScheme, options } from '../optionsStorage'
+import { options } from '../optionsStorage'
+import { OptionsGroupType, guiOptionsScheme } from '../optionsGuiScheme'
 import OptionsItems, { OptionMeta } from './OptionsItems'
 
 const optionValueToType = (optionValue: any) => {
diff --git a/src/react/OptionsRenderApp.tsx b/src/react/OptionsRenderApp.tsx
index c1eef1b2..8167f820 100644
--- a/src/react/OptionsRenderApp.tsx
+++ b/src/react/OptionsRenderApp.tsx
@@ -1,6 +1,6 @@
 import { useSnapshot } from 'valtio'
 import { activeModalStack, hideCurrentModal } from '../globalState'
-import { OptionsGroupType } from '../optionsStorage'
+import { OptionsGroupType } from '../optionsGuiScheme'
 import OptionsGroup from './OptionsGroup'
 
 export default () => {