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engines/queen/bankman.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 QUEEN_BANKMAN_H
+#define QUEEN_BANKMAN_H
+
+#include "common/util.h"
+#include "queen/structs.h"
+
+namespace Queen {
+
+class Resource;
+
+class BankManager {
+public:
+
+	BankManager(Resource *res);
+	~BankManager();
+
+	//! load a bank into the specified slot
+	void load(const char *bankname, uint32 bankslot);
+
+	//! unpack a frame from a loaded bank
+	void unpack(uint32 srcframe, uint32 dstframe, uint32 bankslot);
+
+	//! unpack a frame over an existing one from a loaded bank
+	void overpack(uint32 srcframe, uint32 dstframe, uint32 bankslot);
+
+	//! close a bank
+	void close(uint32 bankslot);
+
+	//! get a reference to unpacked frame
+	BobFrame *fetchFrame(uint32 index);
+
+	//! erase a frame
+	void eraseFrame(uint32 index);
+
+	//! erase all unpacked frames
+	void eraseFrames(bool joe);
+
+	enum {
+		MAX_BANK_SIZE     = 110,
+		MAX_FRAMES_NUMBER = 256,
+		MAX_BANKS_NUMBER  =  18
+	};
+
+private:
+
+	struct PackedBank {
+		uint32 indexes[MAX_BANK_SIZE];
+		uint8 *data;
+		char name[20];
+	};
+
+	//! unpacked bob frames
+	BobFrame _frames[MAX_FRAMES_NUMBER];
+
+	 //! banked bob frames
+	PackedBank _banks[MAX_BANKS_NUMBER];
+
+	Resource *_res;
+};
+
+} // End of namespace Queen
+
+#endif