Fix things and improve worldgen

- Client-side now actually deletes invisible chunks
- Improved world generation to use a second noise generator alongside
  changing how caves are generated (ie what noise they use)

1 files changed, 2 insertions, 0 deletions

diff --git a/game/server/overworld.hh b/game/server/overworld.hh
index 78844ce..2f7b67e 100644
--- a/game/server/overworld.hh
+++ b/game/server/overworld.hh
@@ -45,9 +45,11 @@ private:
     emhash8::HashMap<chunk_pos_xz, Overworld_Metadata> m_metamap;
 
 private:
+    fnl_state m_fnl_variation;
     fnl_state m_fnl_terrain;
     fnl_state m_fnl_caves_a;
     fnl_state m_fnl_caves_b;
+    fnl_state m_fnl_nvdi;
 
 private:
     Feature m_feat_tree;