diff --git a/js/model.js b/js/model.js
index 11b1a5d3..0ff9e0da 100644
--- a/js/model.js
+++ b/js/model.js
@@ -49,7 +49,6 @@ function loadGenerator(generator) {
 }
 
 function loadVersion(generator, version) {
-  console.warn(generator, version);
   return $.getJSON('../schemas/' + version + '.json', json => {
     structure = json.root || json.roots.find(e => e.id === generator);
     components = json.components;
@@ -287,6 +286,9 @@ function addToMap(el) {
   if (!isValidMapKey(key, node[map])) {
     return;
   }
+  if ($field.attr('data-resource')) {
+    key = fixResource(key)
+  }
   if (type === 'int' || type === 'float' || type === 'random' || type === 'range' || type === 'boundary') {
     node[map][key] = 0;
   } else if (type === 'boolean') {
@@ -413,6 +415,11 @@ function updateField(el) {
   } else if (type === 'boolean') {
     value = getBooleanValue(node[field], ($(el).val() === 'true'));
   }
+
+  if ($field.attr('data-resource')) {
+    value = fixResource(value)
+  }
+
   if (value === '') {
     delete node[field];
   } else {
@@ -424,6 +431,17 @@ function updateField(el) {
   invalidated();
 }
 
+function fixResource(value) {
+  const test = /^([a-z0-9_.-]*:)?[a-z0-9/_.-]+$/;
+  if (value.match(test) === null) {
+    value = value.toLowerCase();
+    if (value.match(test) === null) {
+      value = value.replace(/[^a-z0-9_.-]/g, '')
+    }
+  }
+  return value;
+}
+
 function updateRangeType(el) {
   let path = getPath(el);
   let field = path.pop();
diff --git a/js/view.js b/js/view.js
index c8a26217..e2f77e7e 100644
--- a/js/view.js
+++ b/js/view.js
@@ -104,6 +104,7 @@ function generateString(data, struct) {
   let $el = $('#components').find('[data-type="string"]').clone();
   $el.attr('data-type', struct.type);
   $el.attr('data-index', struct.id);
+  $el.attr('data-resource', struct.resource);
   $el.find('[data-name]').attr('data-i18n', struct.translate);
   $el.find('input').val(data);
   if (struct.help) {
@@ -262,6 +263,7 @@ function generateMap(data, struct) {
   let $input = $el.find('input')
   let out;
   $el.attr('data-index', struct.id).attr('data-item-type', struct.values.type);
+  $el.attr('data-resource', struct.resource);
   $el.find('[data-name="1"]').attr('data-i18n', struct.translate);
   $el.find('[data-name="2"]').attr('data-i18n', struct.translate + '_add');
   if (struct.help) {
diff --git a/schemas/1.13.json b/schemas/1.13.json
index 0a0c9209..9ce3bc29 100644
--- a/schemas/1.13.json
+++ b/schemas/1.13.json
@@ -66,6 +66,7 @@
         {
           "id": "name",
           "type": "string",
+          "resource": true,
           "translate": "entry.name",
           "require": [
             "minecraft:item",
@@ -394,6 +395,7 @@
         {
           "id": "effects",
           "type": "map",
+          "resource": true,
           "translate": "entity.status_effect",
           "values": {
             "type": "object",
diff --git a/schemas/1.14.json b/schemas/1.14.json
index 55ed0769..cb2576df 100644
--- a/schemas/1.14.json
+++ b/schemas/1.14.json
@@ -93,6 +93,7 @@
         {
           "id": "name",
           "type": "string",
+          "resource": true,
           "translate": "entry.name",
           "require": [
             "minecraft:item",
@@ -563,6 +564,7 @@
         {
           "id": "block",
           "type": "string",
+          "resource": true,
           "translate": "condition.block",
           "require":  [
             "minecraft:block_state_property"
@@ -571,6 +573,7 @@
         {
           "id": "properties",
           "type": "map",
+          "resource": true,
           "translate": "condition.block_state",
           "values": {
             "type": "string"
@@ -870,6 +873,7 @@
         {
           "id": "effects",
           "type": "map",
+          "resource": true,
           "translate": "entity.status_effect",
           "values": {
             "type": "object",
@@ -1000,6 +1004,7 @@
         {
           "id": "type",
           "type": "string",
+          "resource": true,
           "translate": "potion_effect.type"
         },
         {
@@ -1017,11 +1022,13 @@
         {
           "id": "item",
           "type": "string",
+          "resource": true,
           "translate": "item.name"
         },
         {
           "id": "tag",
           "type": "string",
+          "resource": true,
           "translate": "item.tag"
         },
         {
@@ -1037,6 +1044,7 @@
         {
           "id": "potion",
           "type": "string",
+          "resource": true,
           "translate": "item.potion"
         },
         {
diff --git a/schemas/1.15.json b/schemas/1.15.json
index 7b113572..ec0d98bd 100644
--- a/schemas/1.15.json
+++ b/schemas/1.15.json
@@ -76,7 +76,8 @@
                 {
                   "id": "item",
                   "translate": "display.icon.item",
-                  "type": "string"
+                  "type": "string",
+                  "resource": true
                 },
                 {
                   "id": "nbt",
@@ -132,7 +133,8 @@
         {
           "id": "parent",
           "translate": "parent",
-          "type": "string"
+          "type": "string",
+          "resource": true
         },
         {
           "id": "rewards",
@@ -144,7 +146,8 @@
             {
               "id": "function",
               "translate": "rewards.function",
-              "type": "string"
+              "type": "string",
+              "resource": true
             },
             {
               "id": "loot",
@@ -252,6 +255,7 @@
         {
           "id": "name",
           "type": "string",
+          "resource": true,
           "translate": "entry.name",
           "require": [
             "minecraft:item",
@@ -475,6 +479,7 @@
         {
           "id": "block",
           "type": "string",
+          "resource": true,
           "translate": "function.block",
           "require":  [
             "minecraft:copy_state"
@@ -666,6 +671,7 @@
         {
           "id": "name",
           "type": "string",
+          "resource": true,
           "translate": "condition.name",
           "require": [
             "minecraft:reference"
@@ -767,6 +773,7 @@
         {
           "id": "block",
           "type": "string",
+          "resource": true,
           "translate": "condition.block",
           "require":  [
             "minecraft:block_state_property"
@@ -775,6 +782,7 @@
         {
           "id": "properties",
           "type": "map",
+          "resource": true,
           "translate": "condition.block_state",
           "translatePlaceholder": "block_state",
           "values": {
@@ -1131,6 +1139,7 @@
             {
               "id": "advancements",
               "type": "map",
+              "resource": true,
               "translate": "entity.player.advancements",
               "translatePlaceholder": "advancement",
               "values": {
@@ -1140,6 +1149,7 @@
             {
               "id": "recipes",
               "type": "map",
+              "resource": true,
               "translate": "entity.player.recipes",
               "translatePlaceholder": "recipe",
               "values": {
@@ -1158,6 +1168,7 @@
         {
           "id": "effects",
           "type": "map",
+          "resource": true,
           "translate": "entity.status_effect",
           "translatePlaceholder": "effect",
           "values": {
@@ -1243,11 +1254,13 @@
             {
               "id": "block",
               "type": "string",
+              "resource": true,
               "translate": "location.block.block"
             },
             {
               "id": "tag",
               "type": "string",
+              "resource": true,
               "translate": "location.block.tag"
             },
             {
@@ -1258,6 +1271,7 @@
             {
               "id": "state",
               "type": "map",
+              "resource": true,
               "translate": "location.block.state",
               "translatePlaceholder": "block_state",
               "values": {
@@ -1276,16 +1290,19 @@
             {
               "id": "fluid",
               "type": "string",
+              "resource": true,
               "translate": "location.fluid.fluid"
             },
             {
               "id": "tag",
               "type": "string",
+              "resource": true,
               "translate": "location.fluid.tag"
             },
             {
               "id": "state",
               "type": "map",
+              "resource": true,
               "translate": "location.fluid.state",
               "translatePlaceholder": "fluid_state",
               "values": {
@@ -1380,6 +1397,7 @@
         {
           "id": "type",
           "type": "string",
+          "resource": true,
           "translate": "potion_effect.type"
         },
         {
@@ -1397,11 +1415,13 @@
         {
           "id": "item",
           "type": "string",
+          "resource": true,
           "translate": "item.name"
         },
         {
           "id": "tag",
           "type": "string",
+          "resource": true,
           "translate": "item.tag"
         },
         {
@@ -1417,6 +1437,7 @@
         {
           "id": "potion",
           "type": "string",
+          "resource": true,
           "translate": "item.potion"
         },
         {
@@ -1596,6 +1617,7 @@
         {
           "id": "stat",
           "type": "string",
+          "resource": true,
           "translate": "statistic.stat"
         },
         {
@@ -1668,6 +1690,7 @@
               "id": "block",
               "translate": "criteria.block",
               "type": "string",
+              "resource": true,
               "require": [
                 "minecraft:bee_nest_destroyed",
                 "minecraft:enter_block",
@@ -1717,6 +1740,7 @@
               "id": "potion",
               "translate": "criteria.potion",
               "type": "string",
+              "resource": true,
               "require": [
                 "minecraft:brewed_potion"
               ]
@@ -1777,6 +1801,7 @@
               "translate": "criteria.effects",
               "translatePlaceholder": "effect",
               "type": "map",
+              "resource": true,
               "button": "field",
               "values": {
                 "type": "object",
@@ -1791,6 +1816,7 @@
               "translate": "criteria.state",
               "translatePlaceholder": "block_state",
               "type": "map",
+              "resource": true,
               "values": {
                 "type": "string"
               },
@@ -1999,6 +2025,7 @@
               "id": "recipe",
               "translate": "criteria.recipe",
               "type": "string",
+              "resource": true,
               "require": [
                 "minecraft:recipe_unlocked"
               ]
diff --git a/schemas/1.16.json b/schemas/1.16.json
index 07873382..74ee56c0 100644
--- a/schemas/1.16.json
+++ b/schemas/1.16.json
@@ -76,7 +76,8 @@
                 {
                   "id": "item",
                   "translate": "display.icon.item",
-                  "type": "string"
+                  "type": "string",
+                  "resource": true
                 },
                 {
                   "id": "nbt",
@@ -132,7 +133,8 @@
         {
           "id": "parent",
           "translate": "parent",
-          "type": "string"
+          "type": "string",
+          "resource": true
         },
         {
           "id": "rewards",
@@ -144,7 +146,8 @@
             {
               "id": "function",
               "translate": "rewards.function",
-              "type": "string"
+              "type": "string",
+              "resource": true
             },
             {
               "id": "loot",
@@ -252,6 +255,7 @@
         {
           "id": "name",
           "type": "string",
+          "resource": true,
           "translate": "entry.name",
           "require": [
             "minecraft:item",
@@ -475,6 +479,7 @@
         {
           "id": "block",
           "type": "string",
+          "resource": true,
           "translate": "function.block",
           "require":  [
             "minecraft:copy_state"
@@ -666,6 +671,7 @@
         {
           "id": "name",
           "type": "string",
+          "resource": true,
           "translate": "condition.name",
           "require": [
             "minecraft:reference"
@@ -767,6 +773,7 @@
         {
           "id": "block",
           "type": "string",
+          "resource": true,
           "translate": "condition.block",
           "require":  [
             "minecraft:block_state_property"
@@ -775,6 +782,7 @@
         {
           "id": "properties",
           "type": "map",
+          "resource": true,
           "translate": "condition.block_state",
           "translatePlaceholder": "block_state",
           "values": {
@@ -1145,6 +1153,7 @@
             {
               "id": "advancements",
               "type": "map",
+              "resource": true,
               "translate": "entity.player.advancements",
               "translatePlaceholder": "advancement",
               "values": {
@@ -1154,6 +1163,7 @@
             {
               "id": "recipes",
               "type": "map",
+              "resource": true,
               "translate": "entity.player.recipes",
               "translatePlaceholder": "recipe",
               "values": {
@@ -1186,6 +1196,7 @@
         {
           "id": "effects",
           "type": "map",
+          "resource": true,
           "translate": "entity.status_effect",
           "translatePlaceholder": "effect",
           "values": {
@@ -1276,6 +1287,7 @@
             {
               "id": "block",
               "type": "string",
+              "resource": true,
               "translate": "location.block.block"
             },
             {
@@ -1291,6 +1303,7 @@
             {
               "id": "state",
               "type": "map",
+              "resource": true,
               "translate": "location.block.state",
               "translatePlaceholder": "block_state",
               "values": {
@@ -1309,6 +1322,7 @@
             {
               "id": "fluid",
               "type": "string",
+              "resource": true,
               "translate": "location.fluid.fluid"
             },
             {
@@ -1319,6 +1333,7 @@
             {
               "id": "state",
               "type": "map",
+              "resource": true,
               "translate": "location.fluid.state",
               "translatePlaceholder": "fluid_state",
               "values": {
@@ -1413,6 +1428,7 @@
         {
           "id": "type",
           "type": "string",
+          "resource": true,
           "translate": "potion_effect.type"
         },
         {
@@ -1430,11 +1446,13 @@
         {
           "id": "item",
           "type": "string",
+          "resource": true,
           "translate": "item.name"
         },
         {
           "id": "tag",
           "type": "string",
+          "resource": true,
           "translate": "item.tag"
         },
         {
@@ -1450,6 +1468,7 @@
         {
           "id": "potion",
           "type": "string",
+          "resource": true,
           "translate": "item.potion"
         },
         {
@@ -1629,6 +1648,7 @@
         {
           "id": "stat",
           "type": "string",
+          "resource": true,
           "translate": "statistic.stat"
         },
         {
@@ -1714,6 +1734,7 @@
               "id": "block",
               "translate": "criteria.block",
               "type": "string",
+              "resource": true,
               "require": [
                 "minecraft:bee_nest_destroyed",
                 "minecraft:enter_block",
@@ -1763,6 +1784,7 @@
               "id": "potion",
               "translate": "criteria.potion",
               "type": "string",
+              "resource": true,
               "require": [
                 "minecraft:brewed_potion"
               ]
@@ -1823,6 +1845,7 @@
               "translate": "criteria.effects",
               "translatePlaceholder": "effect",
               "type": "map",
+              "resource": true,
               "button": "field",
               "values": {
                 "type": "object",
@@ -1837,6 +1860,7 @@
               "translate": "criteria.state",
               "translatePlaceholder": "block_state",
               "type": "map",
+              "resource": true,
               "values": {
                 "type": "string"
               },
diff --git a/schemas/worldgen.json b/schemas/worldgen.json
index b5968b62..ad7e24a3 100644
--- a/schemas/worldgen.json
+++ b/schemas/worldgen.json
@@ -26,6 +26,7 @@
         "translate": "dimension",
         "translatePlaceholder": "dimension",
         "type": "map",
+        "resource": true,
         "help": true,
         "values": {
           "type": "object",
@@ -258,6 +259,7 @@
                       "translate": "generator.settings.block_states",
                       "translatePlaceholder": "block_state",
                       "type": "map",
+                      "resource": true,
                       "default": {},
                       "values": {
                         "type": "string"
@@ -284,6 +286,7 @@
                       "translate": "generator.settings.fluid_states",
                       "translatePlaceholder": "fluid_state",
                       "type": "map",
+                      "resource": true,
                       "default": {},
                       "values": {
                         "type": "string"
@@ -453,6 +456,7 @@
                       "translate": "generator.settings.structures",
                       "translatePlaceholder": "structure",
                       "type": "map",
+                      "resource": true,
                       "help": true,
                       "default": {},
                       "values": {
@@ -501,6 +505,7 @@
                       "translate": "generator.settings.structures",
                       "translatePlaceholder": "structure",
                       "type": "map",
+                      "resource": true,
                       "help": true,
                       "default": {},
                       "values": {