diff --git a/package-lock.json b/package-lock.json
index 7b4701e4..7830a113 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,16 +5,16 @@
   "requires": true,
   "dependencies": {
     "@mcschema/core": {
-      "version": "0.9.3",
-      "resolved": "https://registry.npmjs.org/@mcschema/core/-/core-0.9.3.tgz",
-      "integrity": "sha512-DtDncu+NE32OUDzjCv+IAA+owPXASEbR9WXRCikpDY/eTxpjiUkgrsjYzG9A8GhE/Hw60vbwbDuSrHjeTDYSTg=="
+      "version": "0.10.0-beta.6",
+      "resolved": "https://registry.npmjs.org/@mcschema/core/-/core-0.10.0-beta.6.tgz",
+      "integrity": "sha512-52QcHOBuATSL9dqI3fuNMexuJFwwF9NrtILs+IzkwAt/40e7VnR29doJW8P3JkNcZ2a9BaVtw5ExfbePj9rTFg=="
     },
     "@mcschema/java-1.16": {
-      "version": "0.5.8",
-      "resolved": "https://registry.npmjs.org/@mcschema/java-1.16/-/java-1.16-0.5.8.tgz",
-      "integrity": "sha512-hbrDilc5fQK97x0MhbBiwHT+C4xCjsO7HPdgcZqvzhlsbcSkG2fz03Ew/myJJQyxYpShyZLq2QPl6OVtiCp40Q==",
+      "version": "0.5.9-beta.1",
+      "resolved": "https://registry.npmjs.org/@mcschema/java-1.16/-/java-1.16-0.5.9-beta.1.tgz",
+      "integrity": "sha512-Yh+Z6jH/GU/WgshsHfz6aRZLXGMldhaHgWfk+eWvY3f8ftrurNW+OUddCx3kwOZ4gADy5pivVhISB1yecpWKxQ==",
       "requires": {
-        "@mcschema/core": "^0.9.0"
+        "@mcschema/core": "^0.10.0-beta.3"
       }
     },
     "@mcschema/locales": {
diff --git a/package.json b/package.json
index b066d318..f3803920 100644
--- a/package.json
+++ b/package.json
@@ -12,8 +12,8 @@
   "author": "Misode",
   "license": "MIT",
   "dependencies": {
-    "@mcschema/core": "^0.9.3",
-    "@mcschema/java-1.16": "^0.5.8",
+    "@mcschema/core": "^0.10.0-beta.6",
+    "@mcschema/java-1.16": "^0.5.9-beta.1",
     "@mcschema/locales": "^0.1.11",
     "@types/google.analytics": "0.0.40",
     "@types/split.js": "^1.4.0",
diff --git a/src/app/Mounter.ts b/src/app/Mounter.ts
new file mode 100644
index 00000000..02974514
--- /dev/null
+++ b/src/app/Mounter.ts
@@ -0,0 +1,89 @@
+import { ModelPath } from '@mcschema/core'
+
+const dec2hex = (dec: number) => ('0' + dec.toString(16)).substr(-2)
+
+export function hexId(length = 12) {
+  var arr = new Uint8Array(length / 2)
+  window.crypto.getRandomValues(arr)
+  return Array.from(arr, dec2hex).join('')
+}
+
+type Registry = {
+  [id: string]: (el: Element) => void
+}
+
+type NodeInjector = (path: ModelPath, mounter: Mounter) => string
+
+type TreeViewOptions = {
+  nodeInjector?: NodeInjector
+}
+
+export interface Mounter {
+  register(callback: (el: Element) => void): string
+  registerEvent(type: string, callback: (el: Element) => void): string
+  registerChange(callback: (el: Element) => void): string
+  registerClick(callback: (el: Element) => void): string
+  nodeInjector(path: ModelPath, mounter: Mounter): string
+  mount(el: HTMLElement): void
+}
+
+export class Mounter implements Mounter {
+  registry: Registry = {}
+  nodeInjector: NodeInjector
+
+  constructor(options?: TreeViewOptions) {
+    this.nodeInjector = options?.nodeInjector ?? (() => '')
+  }
+
+  /**
+   * Registers a callback and gives an ID
+   * @param callback function that is called when the element is mounted
+   * @returns the ID that should be applied to the data-id attribute
+   */
+  register(callback: (el: Element) => void): string {
+    const id = hexId()
+    this.registry[id] = callback
+    return id
+  }
+
+  /**
+   * Registers an event and gives an ID
+   * @param type event type
+   * @param callback function that is called when the event is fired
+   * @returns the ID that should be applied to the data-id attribute
+   */
+  registerEvent(type: string, callback: (el: Element) => void): string {
+    return this.register(el => {
+      el.addEventListener(type, evt => {
+        callback(el)
+        evt.stopPropagation()
+      })
+    })
+  }
+
+  /**
+   * Registers a change event and gives an ID
+   * @param callback function that is called when the event is fired
+   * @returns the ID that should be applied to the data-id attribute
+   */
+  registerChange(callback: (el: Element) => void): string {
+    return this.registerEvent('change', callback)
+  }
+
+  /**
+   * Registers a click event and gives an ID
+   * @param callback function that is called when the event is fired
+   * @returns the ID that should be applied to the data-id attribute
+   */
+  registerClick(callback: (el: Element) => void): string {
+    return this.registerEvent('click', callback)
+  }
+
+  mount(el: HTMLElement): void {
+    for (const id in this.registry) {
+      const element = el.querySelector(`[data-id="${id}"]`)
+      if (element !== null) this.registry[id](element)
+    }
+    this.registry = {}
+  }
+}
diff --git a/src/app/SourceView.ts b/src/app/SourceView.ts
index f8f88a35..42fd93af 100644
--- a/src/app/SourceView.ts
+++ b/src/app/SourceView.ts
@@ -1,5 +1,6 @@
 import { DataModel, Path, ModelPath } from '@mcschema/core'
 import { AbstractView } from './AbstractView'
+import { transformOutput } from './hooks/transformOutput'
 
 type SourceViewOptions = {
   indentation?: number | string,
@@ -27,7 +28,7 @@ export class SourceView extends AbstractView {
   }
 
   invalidated() {
-    const transformed = this.model.schema.transform(new ModelPath(this.model), this.model.data)
+    const transformed = this.model.schema.hook(transformOutput, new ModelPath(this.model), this.model.data)
     this.target.value = JSON.stringify(transformed, null, this.options?.indentation)
   }
 
diff --git a/src/app/TreeView.ts b/src/app/TreeView.ts
index 33b4d83d..2d12bddc 100644
--- a/src/app/TreeView.ts
+++ b/src/app/TreeView.ts
@@ -1,5 +1,7 @@
-import { DataModel, ModelPath, Mounter } from '@mcschema/core'
+import { DataModel, ModelPath } from '@mcschema/core'
 import { AbstractView } from './AbstractView'
+import { Mounter } from './Mounter'
+import { renderHtml } from './hooks/renderHtml'
 
 type Registry = {
   [id: string]: (el: Element) => void
@@ -39,7 +41,7 @@ export class TreeView extends AbstractView {
   invalidated() {
     const mounter = new Mounter({nodeInjector: this.nodeInjector})
     const path = new ModelPath(this.model)
-    const rendered = this.model.schema.render(path, this.model.data, mounter)
+    const rendered = this.model.schema.hook(renderHtml, path, this.model.data, mounter)
     const category = this.model.schema.category(path)
     if (rendered[1]) {
       this.target.innerHTML = `<div class="node ${this.model.schema.type(path)}-node" ${category ? `data-category="${category}"` : ''}>
diff --git a/src/app/app.ts b/src/app/app.ts
index 001a9f28..1e4965dc 100644
--- a/src/app/app.ts
+++ b/src/app/app.ts
@@ -5,7 +5,6 @@ import {
   locale,
   LOCALES,
   ModelPath,
-  Mounter,
   Path,
 } from '@mcschema/core'
 import { getCollections, getSchemas } from '@mcschema/java-1.16'
@@ -16,6 +15,7 @@ import { SourceView } from './SourceView'
 import { ErrorsView } from './ErrorsView'
 import config from '../config.json'
 import { BiomeNoiseVisualizer } from './visualization/BiomeNoiseVisualizer'
+import { Mounter } from './Mounter'
 
 const LOCAL_STORAGE_THEME = 'theme'
 const LOCAL_STORAGE_LANGUAGE = 'language'
diff --git a/src/app/hooks/renderHtml.ts b/src/app/hooks/renderHtml.ts
new file mode 100644
index 00000000..9a9f808a
--- /dev/null
+++ b/src/app/hooks/renderHtml.ts
@@ -0,0 +1,241 @@
+import { locale, Hook, ModelPath, Path, StringHookParams, ValidationOption, EnumOption, INode, DataModel, MapNode, StringNode } from '@mcschema/core'
+import { Mounter } from '../Mounter'
+import { hexId } from '../utils'
+
+/**
+ * Secondary model used to remember the keys of a map
+ */
+const keysModel = new DataModel(MapNode(
+  StringNode(),
+  StringNode()
+), { historyMax: 0 })
+
+/**
+ * Renders the node and handles events to update the model
+ * @returns string HTML representation of this node using the given data
+ */
+export const renderHtml: Hook<[any, Mounter], [string, string, string]> = {
+  base() {
+    return ['', '', '']
+  },
+
+  boolean({ node }, path, value, mounter) {
+    const onFalse = mounter.registerClick(el => {
+      path.model.set(path, node.optional() && value === false ? undefined : false)
+    })
+    const onTrue = mounter.registerClick(el => {
+      path.model.set(path, node.optional() && value === true ? undefined : true)
+    })
+    return ['', `<button${value === false ? ' class="selected"' : ' '} 
+        data-id="${onFalse}">${locale('false')}</button>
+      <button${value === true ? ' class="selected"' : ' '} 
+        data-id="${onTrue}">${locale('true')}</button>`, '']
+  },
+
+  choice({ choices, config, switchNode }, path, value, mounter) {
+    const choice = switchNode.activeCase(path) ?? choices[0]
+    const pathWithContext = (config?.context) ?
+      new ModelPath(path.getModel(), new Path(path.getArray(), [config.context])) : path
+    const pathWithChoiceContext = config?.choiceContext ? new Path([], [config.choiceContext]) : config?.context ? new Path([], [config.context]) : path
+    const inject = choices.map(c => {
+      if (c.type === choice.type) {
+        return `<button class="selected" disabled>${pathWithChoiceContext.push(c.type).locale()}</button>`
+      }
+      const buttonId = mounter.registerClick(el => {
+        path.model.set(path, c.change ? c.change(value) : c.node.default())
+      })
+      return `<button data-id="${buttonId}">${pathWithChoiceContext.push(c.type).locale()}</button>`
+    }).join('')
+
+    const [prefix, suffix, body] = choice.node.hook(this, pathWithContext, value, mounter)
+    return [prefix, inject + suffix, body]
+  },
+
+  list({ children }, path, value, mounter) {
+    const onAdd = mounter.registerClick(el => {
+      if (!Array.isArray(value)) value = []
+      path.model.set(path, [children.default(), ...value])
+    })
+    const onAddBottom = mounter.registerClick(el => {
+      if (!Array.isArray(value)) value = []
+      path.model.set(path, [...value, children.default()])
+    })
+    const suffix = `<button class="add" data-id="${onAdd}"></button>`
+      + mounter.nodeInjector(path, mounter)
+
+    let body = ''
+    if (Array.isArray(value)) {
+      body = value.map((childValue, index) => {
+        const removeId = mounter.registerClick(el => path.model.set(path.push(index), undefined))
+        const childPath = path.push(index).localePush('entry')
+        const category = children.category(childPath)
+        const [cPrefix, cSuffix, cBody] = children.hook(this, childPath, childValue, mounter)
+        return `<div class="node-entry"><div class="node ${children.type(childPath)}-node" ${category ? `data-category="${category}"` : ''} ${childPath.error()} ${childPath.help()}>
+          <div class="node-header">
+            <button class="remove" data-id="${removeId}"></button>
+            ${cPrefix}
+            <label>${path.localePush('entry').locale([`${index}`])}</label>
+            ${cSuffix}
+          </div>
+          ${cBody ? `<div class="node-body">${cBody}</div>` : ''}
+          </div></div>`
+      }).join('')
+      if (value.length > 2) {
+        body += `<div class="node-entry">
+          <div class="node node-header">
+            <button class="add" data-id="${onAddBottom}"></button>
+          </div>
+        </div>`
+      }
+    }
+    return ['', suffix, body]
+  },
+
+  map({ keys, children }, path, value, mounter) {
+    const keyPath = new ModelPath(keysModel, new Path([hashString(path.toString())]))
+    const onAdd = mounter.registerClick(el => {
+      const key = keyPath.get()
+      path.model.set(path.push(key), children.default())
+    })
+    const keyRendered = keys.hook(this, keyPath, keyPath.get() ?? '', mounter)
+    const suffix = keyRendered[1]
+      + `<button class="add" data-id="${onAdd}"></button>`
+      + mounter.nodeInjector(path, mounter)
+    let body = ''
+    if (typeof value === 'object' && value !== undefined) {
+      body = Object.keys(value)
+        .map(key => {
+          const removeId = mounter.registerClick(el => path.model.set(path.push(key), undefined))
+          const childPath = path.modelPush(key)
+          const category = children.category(childPath)
+          const [cPrefix, cSuffix, cBody] = children.hook(this, childPath, value[key], mounter)
+          return `<div class="node-entry"><div class="node ${children.type(childPath)}-node" ${category ? `data-category="${category}"` : ''} ${childPath.error()} ${childPath.help()}>
+            <div class="node-header">
+              <button class="remove" data-id="${removeId}"></button>
+              ${cPrefix}
+              <label>${key}</label>
+              ${cSuffix}
+            </div>
+            ${cBody ? `<div class="node-body">${cBody}</div>` : ''}
+            </div></div>`
+        })
+        .join('')
+    }
+    return ['', suffix, body]
+  },
+
+  number({ integer, config }, path, value, mounter) {
+    const onChange = mounter.registerChange(el => {
+      const value = (el as HTMLInputElement).value
+      let parsed = config?.color
+        ? parseInt(value.slice(1), 16)
+        : integer ? parseInt(value) : parseFloat(value)
+      path.model.set(path, parsed)
+    })
+    if (config?.color) {
+      const hex = (value?.toString(16).padStart(6, '0') ?? '000000')
+      return ['', `<input type="color" data-id="${onChange}" value="#${hex}">`, '']
+    }
+    return ['', `<input data-id="${onChange}" value="${value ?? ''}">`, '']
+  },
+
+  object({ node, getActiveFields, getChildModelPath }, path, value, mounter) {
+    let prefix = ''
+    if (node.optional()) {
+      if (value === undefined) {
+        prefix = `<button class="collapse closed" data-id="${mounter.registerClick(() => path.model.set(path, node.default()))}"></button>`
+      } else {
+        prefix = `<button class="collapse open" data-id="${mounter.registerClick(() => path.model.set(path, undefined))}"></button>`
+      }
+    }
+    let suffix = mounter.nodeInjector(path, mounter)
+    let body = ''
+    if (typeof value === 'object' && value !== undefined && (!(node.optional() && value === undefined))) {
+      const activeFields = getActiveFields(path)
+      body = Object.keys(activeFields)
+        .filter(k => activeFields[k].enabled(path))
+        .map(k => {
+          const field = activeFields[k]
+          const childPath = getChildModelPath(path, k)
+          const category = field.category(childPath)
+          const [cPrefix, cSuffix, cBody] = field.hook(this, childPath, value[k], mounter)
+          return `<div class="node ${field.type(childPath)}-node" ${category ? `data-category="${category}"` : ''} ${childPath.error()} ${childPath.help()}>
+            <div class="node-header">
+              ${cPrefix}
+              <label>${childPath.locale()}</label>
+              ${cSuffix}
+            </div>
+            ${cBody ? `<div class="node-body">${cBody}</div>` : ''}
+            </div>`
+        })
+        .join('')
+    }
+    return [prefix, suffix, body]
+  },
+
+  string(params, path, value, mounter) {
+    const inputId = mounter.register(el => {
+      (el as HTMLSelectElement).value = value ?? ''
+      el.addEventListener('change', evt => {
+        const newValue = (el as HTMLSelectElement).value
+        console.log("UPDATING NEW VALUE!", path.toString(), newValue)
+        path.model.set(path, newValue.length === 0 ? undefined : newValue)
+        evt.stopPropagation()
+      })
+    })
+    return ['', rawString(params, path, inputId), '']
+  }
+}
+
+function isEnum(value?: ValidationOption | EnumOption): value is EnumOption {
+  return !!(value as any)?.enum
+}
+
+function isValidator(value?: ValidationOption | EnumOption): value is ValidationOption {
+  return !!(value as any)?.validator
+}
+
+function rawString({ node, getValues, config }: { node: INode } & StringHookParams, path: ModelPath, inputId?: string) {
+  const values = getValues()
+  if (isEnum(config) && !config.additional) {
+    const contextPath = typeof config.enum === 'string' ?
+      new Path(path.getArray(), [config.enum]) : path
+    return selectRaw(node, contextPath, values, inputId)
+  }
+  if (config && isValidator(config)
+    && config.validator === 'resource'
+    && typeof config.params.pool === 'string'
+    && values.length > 0) {
+    const contextPath = new Path(path.getArray(), [config.params.pool])
+    if (contextPath.localePush(values[0]).strictLocale()) {
+      return selectRaw(node, contextPath, values, inputId)
+    }
+  }
+  const datalistId = hexId()
+  return `<input data-id="${inputId}" ${values.length === 0 ? '' : `list="${datalistId}"`}>
+  ${values.length === 0 ? '' :
+      `<datalist id="${datalistId}">
+    ${values.map(v =>
+        `<option value="${v}">`
+      ).join('')}
+  </datalist>`}`
+}
+
+function selectRaw(node: INode, contextPath: Path, values: string[], inputId?: string) {
+  return `<select data-id="${inputId}">
+    ${node.optional() ? `<option value="">${locale('unset')}</option>` : ''}
+    ${values.map(v =>
+    `<option value="${v}">${contextPath.localePush(v).locale()}</option>`
+  ).join('')}
+  </select>`
+}
+
+function hashString(str: string) {
+  var hash = 0, i, chr;
+  for (i = 0; i < str.length; i++) {
+    chr = str.charCodeAt(i);
+    hash = ((hash << 5) - hash) + chr;
+    hash |= 0;
+  }
+  return hash;
+}
diff --git a/src/app/hooks/transformOutput.ts b/src/app/hooks/transformOutput.ts
new file mode 100644
index 00000000..eac78f57
--- /dev/null
+++ b/src/app/hooks/transformOutput.ts
@@ -0,0 +1,53 @@
+import { Hook } from '@mcschema/core'
+
+export const transformOutput: Hook<[any], any> = {
+  base({}, _, value) {
+    return value
+  },
+
+  boolean({}, _, value) {
+    return value
+  },
+
+  choice({ switchNode }, path, value) {
+    return switchNode.hook(this, path, value)
+  },
+
+  list({ children }, path, value) {
+    if (!Array.isArray(value)) return value
+    return value.map((obj, index) =>
+      children.hook(this, path.push(index), obj)
+    )
+  },
+
+  map({ children }, path, value) {
+    if (value === undefined) return undefined
+    let res: any = {}
+    Object.keys(value).forEach(f =>
+      res[f] = children.hook(this, path.push(f), value[f])
+    )
+    return res;
+  },
+
+  number({}, _, value) {
+    return value
+  },
+
+  object({ getActiveFields }, path, value) {
+    if (value === undefined || value === null || typeof value !== 'object') {
+      return value
+    }
+    let res: any = {}
+    const activeFields = getActiveFields(path)
+    Object.keys(activeFields)
+      .filter(k => activeFields[k].enabled(path))
+      .forEach(f => {
+        res[f] = activeFields[f].hook(this, path.push(f), value[f])
+      })
+    return res
+  },
+
+  string({}, _, value) {
+    return value
+  }
+}
diff --git a/src/app/utils.ts b/src/app/utils.ts
new file mode 100644
index 00000000..950fabdd
--- /dev/null
+++ b/src/app/utils.ts
@@ -0,0 +1,7 @@
+const dec2hex = (dec: number) => ('0' + dec.toString(16)).substr(-2)
+
+export function hexId(length = 12) {
+  var arr = new Uint8Array(length / 2)
+  window.crypto.getRandomValues(arr)
+  return Array.from(arr, dec2hex).join('')
+}