Basic inventory system working and can pick up items but needs to be reflected in the UI next.

inventory.cpp

@@ -0,0 +1,32 @@
+#include "inventory.hpp"
+
+
+namespace components {
+  void Inventory::add(InventoryItem item) {
+    std::string id = item.data["id"];
+
+    if(items.contains(id)) {
+      auto &slot = items[id];
+      slot.count += item.count;
+    } else {
+      items[id] = item;
+    }
+  }
+
+  InventoryItem& Inventory::get(std::string id) {
+    dbc::check(items.contains(id), fmt::format("item id {} is not in inventory", id));
+    return items[id];
+  }
+
+  bool Inventory::decrease(std::string id, int count) {
+    dbc::check(items.contains(id), fmt::format("item id {} is not in inventory", id));
+    auto &slot = items[id];
+    slot.count -= count;
+    return slot.count > 0;
+  }
+
+  void Inventory::remove_all(std::string id) {
+    dbc::check(items.contains(id), fmt::format("item id {} is not in inventory", id));
+    items.erase(id);
+  }
+}