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engines/dragons/inventory.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef DRAGONS_INVENTORY_H
+#define DRAGONS_INVENTORY_H
+
+namespace Dragons {
+
+class Actor;
+class ActorManager;
+class BackgroundResourceLoader;
+class Background;
+class Bag;
+class DragonINIResource;
+
+#define DRAGONS_MAX_INVENTORY_ITEMS 0x29
+
+#define ACTOR_INVENTORY_OFFSET 0x17
+
+enum InventoryState {
+	Closed = 0,
+	InventoryOpen = 1,
+	InventionBookOpen = 2
+};
+
+class Inventory {
+public:
+	InventoryState _previousState;
+private:
+	DragonsEngine *_vm;
+	int32 _sequenceId;
+	int16 _screenPositionIndex;
+	Actor *_actor;
+	InventoryState _state;
+	Bag *_bag;
+
+	void (*_inventionBookPrevSceneUpdateFunc)();
+	uint16 _inventionBookPrevSceneId;
+	uint16 _inventionBookPrevFlickerINISceneId;
+	Common::Point _inventionBookPrevFlickerINIPosition;
+
+	uint16 _inventoryItemTbl[DRAGONS_MAX_INVENTORY_ITEMS];
+
+public:
+	Inventory(DragonsEngine *vm);
+
+	void init(ActorManager *actorManager, BackgroundResourceLoader *backgroundResourceLoader, Bag *bag, DragonINIResource *dragonIniResource);
+	void loadScene(uint32 sceneId);
+	bool isActorSet() { return true; }
+
+	int32 getSequenceId() {
+		return _sequenceId;
+	}
+	void setActorSequenceId(int32 sequenceId);
+	void updateActorSequenceId(int32 sequenceId);
+	void resetSequenceId();
+
+	InventoryState getState() { return _state; }
+	void setState(InventoryState newState) { _state = newState; }
+	void setPreviousState();
+
+	int16 getPositionIndex() { return _screenPositionIndex; }
+	Common::Point getPosition();
+
+	bool isOpen() {
+		return _state != Closed;
+	}
+
+	void close() { _state = Closed; }
+
+	void updateVisibility();
+	void setActorFlag400();
+	void clearActorFlag400();
+	void setPriority(uint16 priority);
+
+	void openInventory();
+	void closeInventory();
+
+	void draw();
+	uint16 getIniAtPosition(int16 x, int16 y);
+	void loadInventoryItemsFromSave();
+
+	void openInventionBook();
+	void closeInventionBook();
+
+	bool addItem(uint16 iniId);
+	bool addItemIfPositionIsEmpty(uint16 iniId, uint16 x, uint16 y);
+	void replaceItem(uint16 existingIniId, uint16 newIniId);
+	bool clearItem(uint16 iniId);
+	bool hasItem(uint16 iniId);
+
+	Actor *getInventoryItemActor(uint16 iniId);
+	void inventoryMissing();
+
+private:
+	void setPositionFromSceneId(uint32 sceneId);
+	void animateBagIn();
+	void animateBagOut();
+};
+
+} // End of namespace Dragons
+
+#endif //DRAGONS_INVENTORY_H