ZVISION: New base class similar to control for handling timers, music, etc...

1 files changed, 95 insertions, 0 deletions

diff --git a/engines/zvision/sidefx.h b/engines/zvision/sidefx.h
new file mode 100644
index 0000000000..7047982fda
--- /dev/null
+++ b/engines/zvision/sidefx.h
@@ -0,0 +1,95 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef SIDEFX_H_INCLUDED
+#define SIDEFX_H_INCLUDED
+
+namespace Common {
+class SeekableReadStream;
+struct Point;
+class WriteStream;
+}
+
+namespace ZVision {
+
+class ZVision;
+
+class SideFX {
+public:
+	SideFX() : _engine(0), _key(0) {}
+	SideFX(ZVision *engine, uint32 key) : _engine(engine), _key(key) {}
+	virtual ~SideFX() {}
+
+	uint32 getKey() { return _key; }
+
+	virtual bool process(uint32 deltaTimeInMillis) { return false; }
+	/**
+	 * Serialize a Control for save game use. This should only be used if a Control needs
+	 * to save values that would be different from initialization. AKA a TimerNode needs to
+	 * store the amount of time left on the timer. Any Controls overriding this *MUST* write
+	 * their key as the first data outputted. The default implementation is NOP.
+	 *
+	 * NOTE: If this method is overridden, you MUST also override deserialize()
+	 * and needsSerialization()
+	 *
+	 * @param stream    Stream to write any needed data to
+	 */
+	virtual void serialize(Common::WriteStream *stream) {}
+	/**
+	 * De-serialize data from a save game stream. This should only be implemented if the
+	 * Control also implements serialize(). The calling method assumes the size of the
+	 * data read from the stream exactly equals that written in serialize(). The default
+	 * implementation is NOP.
+	 *
+	 * NOTE: If this method is overridden, you MUST also override serialize()
+	 * and needsSerialization()
+	 *
+	 * @param stream    Save game file stream
+	 */
+	virtual void deserialize(Common::SeekableReadStream *stream) {}
+	/**
+	 * If a Control overrides serialize() and deserialize(), this should return true
+	 *
+	 * @return    Does the Control need save game serialization?
+	 */
+	virtual inline bool needsSerialization() { return false; }
+
+protected:
+	ZVision * _engine;
+	uint32 _key;
+
+// Static member functions
+public:
+};
+
+// TODO: Implement InputControl
+// TODO: Implement SaveControl
+// TODO: Implement SlotControl
+// TODO: Implement SafeControl
+// TODO: Implement FistControl
+// TODO: Implement HotMovieControl
+// TODO: Implement PaintControl
+// TODO: Implement TilterControl
+
+} // End of namespace ZVision
+
+#endif // SIDEFX_H_INCLUDED