Adjusted weather. Hopefully fixed trees for real this time, so far so good.

src/save_system.nvgt

@@ -291,6 +291,7 @@ void reset_game_state() {
 void start_new_game() {
     reset_game_state();
     spawn_trees(5, 19);
+    normalize_tree_positions();
     init_barricade();
     init_time();
     init_weather();
@@ -966,6 +967,7 @@ bool load_game_state() {
         tree.regen_timer.restart();
         trees.insert_last(tree);
     }
+    normalize_tree_positions();
 
     string[] snareData = get_string_list_or_split(saveData, "snares_data");
     for (uint i = 0; i < snareData.length(); i++) {