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engines/mohawk/riven_video.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 MOHAWK_RIVEN_VIDEO_H
+#define MOHAWK_RIVEN_VIDEO_H
+
+#include "common/list.h"
+#include "common/noncopyable.h"
+
+namespace Video {
+class QuickTimeDecoder;
+}
+
+namespace Mohawk {
+
+class MohawkEngine_Riven;
+
+/**
+ * A video monitored by the VideoManager
+ */
+class RivenVideo : private Common::NonCopyable {
+public:
+	RivenVideo(MohawkEngine_Riven *vm, uint16 code);
+	~RivenVideo();
+
+	/** Load the video from the archive */
+	void load(uint16 id);
+
+	/** Free resources allocated for the movie, but allow to load it again later */
+	void close();
+
+	/** Start playing the video */
+	void play();
+
+	/** Play the video until it completes or reaches the specified timestamp */
+	void playBlocking(int32 endTime = -1);
+
+	/** Has the video reached its end? */
+	bool endOfVideo() const;
+
+	/** Is the video looping? */
+	bool isLooping() const { return _loop; }
+
+	/** Is the video enabled? (Drawing to the screen) */
+	bool isEnabled() const { return _enabled; }
+
+	/** Get the ID of the video */
+	uint16 getId() const { return _id; }
+
+	/** Get the slot used by the video in the video manager */
+	uint16 getSlot() const { return _slot; }
+
+	/** Get the current frame of the video */
+	int getCurFrame() const;
+
+	/** Get the frame count of the video */
+	uint32 getFrameCount() const;
+
+	/** Get the current time position of the video */
+	uint32 getTime() const;
+
+	/** Get the duration of the video */
+	uint32 getDuration() const;
+
+	/** Move the video to the specified coordinates */
+	void moveTo(uint16 x, uint16 y) { _x = x; _y = y; }
+
+	/** Set the video to loop (true) or not (false) */
+	void setLooping(bool loop) { _loop = loop; }
+
+	/** Enable the video */
+	void enable();
+
+	/** Disable the video */
+	void disable();
+
+	/** Seek to the given time */
+	void seek(uint32 time);
+
+	/** Pause the video */
+	void pause(bool isPaused);
+
+	/** Stop playing the video */
+	void stop();
+
+	/** Is the video playing? */
+	bool isPlaying() const;
+
+	/** Set the volume of the video */
+	void setVolume(int volume);
+
+	/** Checks if a video is playing and is waiting to display the next frame */
+	bool needsUpdate() const;
+
+	/** Draw the next frame to the system screen */
+	void drawNextFrame();
+private:
+	// Non-changing variables
+	MohawkEngine_Riven *_vm;
+	Video::QuickTimeDecoder *_video;
+	uint16 _id;
+	uint16 _slot;
+
+	// Playback variables
+	uint16 _x;
+	uint16 _y;
+	bool _loop;
+	bool _enabled;
+	bool _playing;
+};
+
+class RivenVideoManager {
+public:
+	explicit RivenVideoManager(MohawkEngine_Riven *vm);
+	~RivenVideoManager();
+
+	void updateMovies();
+	void pauseVideos();
+	void resumeVideos();
+	void closeVideos();
+	void removeVideos();
+	void disableAllMovies();
+
+	RivenVideo *openSlot(uint16 slot);
+	RivenVideo *getSlot(uint16 slot);
+
+private:
+	MohawkEngine_Riven *_vm;
+
+	// Keep tabs on any videos playing
+	typedef Common::List<RivenVideo *> VideoList;
+	VideoList _videos;
+};
+
+} // End of namespace Mohawk
+
+#endif