Add inventory component

survival/components/inventory_component.py

@@ -0,0 +1,24 @@
+class InventoryComponent:
+    def __init__(self, maxitems):
+        self.maxitems = maxitems
+        self.items = {}
+
+    def addItem(self, item, count):
+        if item not in self.items:
+            self.items[item] = count
+        else:
+            self.items[item] = self.items[item] + count
+        if self.items[item] > self.maxitems:
+            self.items[item] = self.maxitems
+
+    def removeItem(self, item, count):
+        if self.items:
+            self.items[item] = self.items[item] - count
+        if self.items[item] < 0:
+            self.items[item] = 0
+
+    def hasItem(self, item):
+        if self.items[item] != 0:
+            return True
+        else:
+            return False