diff --git a/SCsub b/SCsub
index 7d2dd93..77964e3 100644
--- a/SCsub
+++ b/SCsub
@@ -4,9 +4,11 @@ Import('env')
 
 module_env = env.Clone()
 
-#Should work with just arrays
-#if os.path.isdir('../mesh_data_resource'):
-#    module_env.Append(CPPDEFINES=['MESH_DATA_RESOURCE_PRESENT'])
+if os.path.isdir('../voxelman'):
+    module_env.Append(CPPDEFINES=['VOXELMAN_PRESENT'])
+
+if os.path.isdir('../terraman'):
+    module_env.Append(CPPDEFINES=['TERRAMAN_PRESENT'])
 
 sources = [
 
diff --git a/biome_terrarin_generator.cpp b/biome_terrarin_generator.cpp
index b996786..422624f 100644
--- a/biome_terrarin_generator.cpp
+++ b/biome_terrarin_generator.cpp
@@ -32,8 +32,10 @@ SOFTWARE.
 
 #include "core/math/math_funcs.h"
 
+#ifdef VOXELMAN_PRESENT
 #include "../voxelman/world/default/voxel_chunk_default.h"
 #include "../voxelman/world/voxel_chunk.h"
+#endif
 
 #include "../entity_spell_system/singletons/ess.h"
 #include "../entity_spell_system/spawners/ess_entity_spawner.h"
@@ -46,6 +48,7 @@ void BiomeTerrarinGenerator::set_current_seed(int value) {
 	_current_seed = value;
 }
 
+#ifdef VOXELMAN_PRESENT
 void BiomeTerrarinGenerator::generate_simple_terrarin(Ref<VoxelChunk> chunk, bool spawn_mobs) {
 	Ref<OpenSimplexNoise> noise;
 	noise.instance();
@@ -118,6 +121,7 @@ void BiomeTerrarinGenerator::generate_simple_terrarin(Ref<VoxelChunk> chunk, boo
 	//		ESS::get_singleton()->get_entity_spawner()->call("spawn_mob", 0, Math::rand() % 3, v);
 	//	}
 }
+#endif
 
 BiomeTerrarinGenerator::BiomeTerrarinGenerator() {
 	_current_seed = 0;
@@ -131,5 +135,7 @@ void BiomeTerrarinGenerator::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_current_seed", "value"), &BiomeTerrarinGenerator::set_current_seed);
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "current_seed"), "set_current_seed", "get_current_seed");
 
+#ifdef VOXELMAN_PRESENT
 	ClassDB::bind_method(D_METHOD("generate_simple_terrarin", "chunk", "spawn_mobs"), &BiomeTerrarinGenerator::generate_simple_terrarin);
+#endif
 }
\ No newline at end of file
diff --git a/biome_terrarin_generator.h b/biome_terrarin_generator.h
index 51b8614..bd01468 100644
--- a/biome_terrarin_generator.h
+++ b/biome_terrarin_generator.h
@@ -31,7 +31,9 @@ SOFTWARE.
 #include "core/reference.h"
 #endif
 
+#ifdef VOXELMAN_PRESENT
 class VoxelChunk;
+#endif
 
 class BiomeTerrarinGenerator : public Reference {
 	GDCLASS(BiomeTerrarinGenerator, Reference);
@@ -40,7 +42,9 @@ public:
 	int get_current_seed();
 	void set_current_seed(int value);
 
+#ifdef VOXELMAN_PRESENT
 	void generate_simple_terrarin(Ref<VoxelChunk> chunk, bool spawn_mobs);
+#endif
 
 	BiomeTerrarinGenerator();
 	~BiomeTerrarinGenerator();