Update Action.cpp, ChunkWater.cpp, and ChunkWater.hpp | fix water undo/redo

src/noggit/Action.cpp

@@ -185,6 +185,7 @@ void Noggit::Action::undo(bool redo)
       auto liquid_chunk = pair.first->liquid_chunk();
       *liquid_chunk->getLayers() = pair.second;
       liquid_chunk->update_layers();
+      liquid_chunk->tagUpdate();
     }
   }
   if (_flags & ActionFlags::eVERTEX_SELECTION)

src/noggit/ChunkWater.cpp

@@ -340,3 +340,8 @@ void ChunkWater::copy_height_to_layer(liquid_layer& target, glm::vec3 const& pos
   }
 }
 
+void ChunkWater::tagUpdate()
+{
+  _water_tile->tagUpdate();
+}
+

src/noggit/ChunkWater.hpp

@@ -44,6 +44,7 @@ public:
   void setType(int type, size_t layer);
   int getType(size_t layer) const;
   bool hasData(size_t layer) const;
+  void tagUpdate();
 
   std::vector<liquid_layer>* getLayers() { return &_layers; };