Fixes for invasions and terrain generation.

src/environment.nvgt

@@ -251,6 +251,32 @@ void perform_search(int current_x)
         }
     }
 
+    // Stream banks - Clay (within stream sound range, but not in water)
+    bool near_stream_bank = false;
+    for (uint i = 0; i < world_streams.length(); i++) {
+        if (world_streams[i].contains_position(current_x)) {
+            continue;
+        }
+        int center = world_streams[i].get_center_position();
+        int distance = center - current_x;
+        if (distance < 0) distance = -distance;
+        if (distance <= 3) {
+            near_stream_bank = true;
+            break;
+        }
+    }
+
+    if (near_stream_bank) {
+        if (inv_clay < MAX_ITEM_STACK) {
+            inv_clay++;
+            p.play_stationary("sounds/items/clay.ogg", false);
+            screen_reader_speak("Found clay.", true);
+        } else {
+            screen_reader_speak("You can't carry any more clay.", true);
+        }
+        return;
+    }
+
     // Trees (Sticks/Vines) - Check for nearby tree anywhere
     Tree@ nearest = null;
     int nearest_distance = 999;

src/inventory.nvgt

@@ -3,6 +3,7 @@ int inv_stones = 0;
 int inv_sticks = 0;
 int inv_vines = 0;
 int inv_logs = 0;
+int inv_clay = 0;
 int inv_small_game = 0; // Total small game caught (any type)
 string[] inv_small_game_types; // Array to track what types of small game we have
 
@@ -89,6 +90,7 @@ void show_inventory() {
     info += inv_vines + " vines, ";
     info += inv_stones + " stones, ";
     info += inv_logs + " logs, ";
+    info += inv_clay + " clay, ";
     info += inv_small_game + " small game, ";
     info += inv_meat + " meat, ";
     info += inv_skins + " skins. ";
@@ -105,6 +107,7 @@ void run_inventory_menu() {
         "Vines: " + inv_vines,
         "Stones: " + inv_stones,
         "Logs: " + inv_logs,
+        "Clay: " + inv_clay,
         "Small Game: " + inv_small_game,
         "Meat: " + inv_meat,
         "Skins: " + inv_skins,

src/save_system.nvgt

@@ -137,6 +137,7 @@ void reset_game_state() {
     inv_sticks = 0;
     inv_vines = 0;
     inv_logs = 0;
+    inv_clay = 0;
     inv_small_game = 0;
     inv_small_game_types.resize(0);
     inv_meat = 0;
@@ -223,6 +224,7 @@ bool save_game_state() {
     saveData.set("inventory_sticks", inv_sticks);
     saveData.set("inventory_vines", inv_vines);
     saveData.set("inventory_logs", inv_logs);
+    saveData.set("inventory_clay", inv_clay);
     saveData.set("inventory_small_game", inv_small_game);
     saveData.set("inventory_meat", inv_meat);
     saveData.set("inventory_skins", inv_skins);
@@ -351,6 +353,7 @@ bool load_game_state() {
     inv_sticks = int(get_number(saveData, "inventory_sticks", 0));
     inv_vines = int(get_number(saveData, "inventory_vines", 0));
     inv_logs = int(get_number(saveData, "inventory_logs", 0));
+    inv_clay = int(get_number(saveData, "inventory_clay", 0));
     inv_small_game = int(get_number(saveData, "inventory_small_game", 0));
     inv_meat = int(get_number(saveData, "inventory_meat", 0));
     inv_skins = int(get_number(saveData, "inventory_skins", 0));