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engines/pegasus/neighborhood/door.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.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1995-1997 Presto Studios, Inc.
+ *
+ * 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 PEGASUS_NEIGHBORHOOD_DOOR_H
+#define PEGASUS_NEIGHBORHOOD_DOOR_H
+
+#include "common/array.h"
+#include "common/endian.h"
+
+#include "pegasus/constants.h"
+
+namespace Common {
+	class SeekableReadStream;
+}
+
+namespace Pegasus {
+
+typedef byte DoorFlags;
+
+enum {
+	kDoorPresentBit, // Bit set if there is a door here.
+	kDoorLockedBit   // Bit set if door is locked, clear if unlocked.
+};
+
+static const DoorFlags kNoDoorFlags = 0;
+static const DoorFlags kDoorPresentMask = 1 << kDoorPresentBit;
+static const DoorFlags kDoorLockedMask = 1 << kDoorLockedBit;
+
+class DoorTable {
+public:
+	DoorTable() {}
+	~DoorTable() {}
+
+	static uint32 getResTag() { return MKTAG('D', 'o', 'o', 'r'); }
+
+	void loadFromStream(Common::SeekableReadStream *stream);
+	void clear();
+
+	struct Entry {
+		Entry() { clear(); }
+		bool isEmpty() { return movieStart == 0xffffffff; }
+		void clear() {
+			room = kNoRoomID;
+			direction = kNoDirection;
+			altCode = kNoAlternateID;
+			movieStart = 0xffffffff;
+			movieEnd = 0xffffffff;
+			flags = kNoDoorFlags;
+		}
+
+		RoomID room;
+		DirectionConstant direction;
+		AlternateID altCode;
+		TimeValue movieStart;
+		TimeValue movieEnd;
+		DoorFlags flags;
+	};
+
+	Entry findEntry(RoomID room, DirectionConstant direction, AlternateID altCode);
+
+private:
+	Common::Array<Entry> _entries;
+};
+
+} // End of namespace Pegasus
+
+#endif