diff --git a/src/content/Content.cpp b/src/content/Content.cpp
index 677258ad..98affbbf 100644
--- a/src/content/Content.cpp
+++ b/src/content/Content.cpp
@@ -10,6 +10,7 @@
 #include "objects/EntityDef.hpp"
 #include "objects/rigging.hpp"
 #include "voxels/Block.hpp"
+#include "world/generator/GeneratorDef.hpp"
 #include "ContentPack.hpp"
 
 ContentIndices::ContentIndices(
@@ -28,6 +29,7 @@ Content::Content(
     ContentUnitDefs<Block> blocks,
     ContentUnitDefs<ItemDef> items,
     ContentUnitDefs<EntityDef> entities,
+    ContentUnitDefs<GeneratorDef> generators,
     UptrsMap<std::string, ContentPackRuntime> packs,
     UptrsMap<std::string, BlockMaterial> blockMaterials,
     UptrsMap<std::string, rigging::SkeletonConfig> skeletons,
@@ -40,6 +42,7 @@ Content::Content(
       blocks(std::move(blocks)),
       items(std::move(items)),
       entities(std::move(entities)),
+      generators(std::move(generators)),
       drawGroups(std::move(drawGroups)) {
     for (size_t i = 0; i < RESOURCE_TYPES_COUNT; i++) {
         this->resourceIndices[i] = std::move(resourceIndices[i]);
diff --git a/src/content/Content.hpp b/src/content/Content.hpp
index 9a802d43..8e152a51 100644
--- a/src/content/Content.hpp
+++ b/src/content/Content.hpp
@@ -19,6 +19,7 @@ class Block;
 struct BlockMaterial;
 struct ItemDef;
 struct EntityDef;
+struct GeneratorDef;
 
 namespace rigging {
     class SkeletonConfig;
@@ -34,6 +35,8 @@ constexpr const char* ContentType_name(ContentType type) {
             return "item";
         case ContentType::ENTITY:
             return "entity";
+        case ContentType::GENERATOR:
+            return "generator";
         default:
             return "unknown";
     }
@@ -65,14 +68,6 @@ public:
         return defs[id];
     }
 
-    [[deprecated]]
-    inline T* getWriteable(blockid_t id) const { // TODO: remove
-        if (id >= defs.size()) {
-            return nullptr;
-        }
-        return defs[id];
-    }
-
     inline const T& require(blockid_t id) const {
         return *defs.at(id);
     }
@@ -197,6 +192,7 @@ public:
     ContentUnitDefs<Block> blocks;
     ContentUnitDefs<ItemDef> items;
     ContentUnitDefs<EntityDef> entities;
+    ContentUnitDefs<GeneratorDef> generators;
     std::unique_ptr<DrawGroups> const drawGroups;
     ResourceIndicesSet resourceIndices {};
 
@@ -206,6 +202,7 @@ public:
         ContentUnitDefs<Block> blocks,
         ContentUnitDefs<ItemDef> items,
         ContentUnitDefs<EntityDef> entities,
+        ContentUnitDefs<GeneratorDef> generators,
         UptrsMap<std::string, ContentPackRuntime> packs,
         UptrsMap<std::string, BlockMaterial> blockMaterials,
         UptrsMap<std::string, rigging::SkeletonConfig> skeletons,
diff --git a/src/content/ContentBuilder.cpp b/src/content/ContentBuilder.cpp
index 4bf194bc..b637532e 100644
--- a/src/content/ContentBuilder.cpp
+++ b/src/content/ContentBuilder.cpp
@@ -72,6 +72,7 @@ std::unique_ptr<Content> ContentBuilder::build() {
         blocks.build(),
         items.build(),
         entities.build(),
+        generators.build(),
         std::move(packs),
         std::move(blockMaterials),
         std::move(skeletons),
diff --git a/src/content/ContentBuilder.hpp b/src/content/ContentBuilder.hpp
index cd652883..22610eee 100644
--- a/src/content/ContentBuilder.hpp
+++ b/src/content/ContentBuilder.hpp
@@ -8,6 +8,7 @@
 #include "ContentPack.hpp"
 #include "items/ItemDef.hpp"
 #include "objects/EntityDef.hpp"
+#include "world/generator/GeneratorDef.hpp"
 #include "voxels/Block.hpp"
 
 template <class T>
@@ -59,6 +60,7 @@ public:
     ContentUnitBuilder<Block> blocks {allNames, ContentType::BLOCK};
     ContentUnitBuilder<ItemDef> items {allNames, ContentType::ITEM};
     ContentUnitBuilder<EntityDef> entities {allNames, ContentType::ENTITY};
+    ContentUnitBuilder<GeneratorDef> generators {allNames, ContentType::GENERATOR};
     ResourceIndicesSet resourceIndices {};
 
     ~ContentBuilder();
diff --git a/src/content/content_fwd.hpp b/src/content/content_fwd.hpp
index b1618593..076a433f 100644
--- a/src/content/content_fwd.hpp
+++ b/src/content/content_fwd.hpp
@@ -5,7 +5,7 @@
 class Content;
 class ContentPackRuntime;
 
-enum class ContentType { NONE, BLOCK, ITEM, ENTITY };
+enum class ContentType { NONE, BLOCK, ITEM, ENTITY, GENERATOR };
 
 enum class ResourceType : size_t { CAMERA, LAST = CAMERA };
 
diff --git a/src/world/generator/GeneratorDef.hpp b/src/world/generator/GeneratorDef.hpp
new file mode 100644
index 00000000..fa26787f
--- /dev/null
+++ b/src/world/generator/GeneratorDef.hpp
@@ -0,0 +1,10 @@
+#pragma once
+
+#include <string>
+
+#include "typedefs.hpp"
+
+struct GeneratorDef {
+    std::string name;
+    scriptenv env;
+};