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engines/myst3/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 INVENTORY_H_
+#define INVENTORY_H_
+
+#include "common/list.h"
+#include "common/memstream.h"
+#include "common/rect.h"
+
+#include "engines/myst3/gfx.h"
+
+#include "video/bink_decoder.h"
+
+namespace Myst3 {
+
+class Myst3Engine;
+class Texture;
+
+class Inventory : public Window {
+public:
+	Inventory(Myst3Engine *vm);
+	virtual ~Inventory();
+
+	// Window API
+	Common::Rect getPosition() const override;
+	Common::Rect getOriginalPosition() const override;
+
+	void loadFromState();
+	void updateState();
+
+	void addItem(uint16 var, bool atEnd);
+	void addSaavedroChapter(uint16 var);
+	void addAll();
+	void removeItem(uint16 var);
+	void reset();
+
+	/** Is the mouse inside the inventory area */
+	bool isMouseInside();
+
+	/** Change the cursor when it is hovering an item */
+	void updateCursor();
+
+	void reflow();
+
+	uint16 hoveredItem();
+	void useItem(uint16 var);
+
+	void draw() override;
+
+private:
+	struct InventoryItem {
+		uint16 var;
+		Common::Rect rect;
+	};
+
+	typedef Common::List<InventoryItem> ItemList;
+
+	struct ItemData {
+		uint16 textureX;
+		uint16 textureWidth;
+		uint16 textureHeight;
+		uint16 var;
+	};
+
+	static const ItemData _availableItems[8];
+	const ItemData &getData(uint16 var);
+
+	Myst3Engine *_vm;
+
+	Texture *_texture;
+	ItemList _inventory;
+
+	void initializeTexture();
+
+	bool hasItem(uint16 var);
+
+	void openBook(uint16 age, uint16 room, uint16 node);
+	void closeAllBooks();
+};
+
+class DragItem : public Drawable {
+public:
+	DragItem(Myst3Engine *vm, uint id);
+	~DragItem();
+	void drawOverlay() override;
+	void setFrame(uint16 frame);
+
+private:
+	Myst3Engine *_vm;
+
+	Common::SeekableReadStream *_movieStream;
+	Video::BinkDecoder _bink;
+
+	uint16 _frame;
+	Texture *_texture;
+
+	Common::Rect getPosition();
+};
+
+} // End of namespace Myst3
+
+#endif // INVENTORY_H_