SUPERNOVA: Adds Inventory Class

2 files changed, 45 insertions, 1 deletions

diff --git a/engines/supernova/supernova.cpp b/engines/supernova/supernova.cpp
index f5967fb5e1..a24af84aca 100644
--- a/engines/supernova/supernova.cpp
+++ b/engines/supernova/supernova.cpp
@@ -392,4 +392,35 @@ void SupernovaEngine::paletteFadeIn() {
 	_system->updateScreen();
 }
 
+Inventory::Inventory()
+    : _numObjects(0)
+{}
+
+// TODO: Update Inventory surface for scrolling
+void Inventory::add(Object &obj) {
+	if (_numObjects < kMaxCarry)
+		_inventory[_numObjects] = &obj;
+}
+
+// TODO: Update Inventory surface for scrolling
+void Inventory::remove(Object &obj) {
+	for (size_t i = 0; i < _numObjects; ++i) {
+		if (_inventory[i] == &obj) {
+			--_numObjects;
+			while (i < _numObjects) {
+				_inventory[i] = _inventory[i + 1];
+				++i;
+			}
+			obj.disableProperty(CARRIED);
+		}
+	}
+}
+
+Object *Inventory::get(size_t index) {
+	if (index < _numObjects)
+		return _inventory[index];
+
+	return NULL;
+}
+
 }
diff --git a/engines/supernova/supernova.h b/engines/supernova/supernova.h
index 017c912f13..2844c2aa6f 100644
--- a/engines/supernova/supernova.h
+++ b/engines/supernova/supernova.h
@@ -55,7 +55,7 @@ private:
 	byte _menuBrightness;
 	byte _brightness;
 	uint _delay;
-	
+
 	void initData();
 	void initPalette();
 	void paletteFadeIn();
@@ -71,6 +71,19 @@ private:
 	void renderBox(int x, int y, int width, int height, byte color);
 };
 
+class Inventory {
+public:
+	Inventory();
+
+	void add(Object &obj);
+	void remove(Object &obj);
+	Object *get(size_t index);
+
+private:
+	Object *_inventory[kMaxCarry];
+	size_t _numObjects;
+};
+
 }
 
 #endif