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engines/neverhood/subtitles.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 NEVERHOOD_SUBTITLES_H
+#define NEVERHOOD_SUBTITLES_H
+
+#include "common/str.h"
+#include "neverhood/neverhood.h"
+#include "graphics/surface.h"
+
+namespace Neverhood {
+
+struct Subtitle {
+	uint32 fromFrame;
+	uint32 toFrame;
+	Common::String text;
+	bool isTop;
+};
+
+class SubtitlePlayer {
+public:
+	SubtitlePlayer(NeverhoodEngine *vm, uint32 fileHash, int width);
+
+	void renderFrame(uint frameNumber, int centerX);
+	const Graphics::Surface *getBottomSubs() const { return _haveBottomSubs ? &_bottomSubs : nullptr; }
+	const Graphics::Surface *getTopSubs() const { return _haveTopSubs ? &_topSubs : nullptr; }
+	bool isValid() const { return _isValid && !_subtitles.empty(); }
+	byte getSubtitleAlpha() const { return _alphaColor; }
+
+	static const int kSubtitleCharHeight = 16;
+	static const int kSubtitleCharWidth = 8;
+
+private:
+	NeverhoodEngine *_vm;
+	bool _isValid;
+	Common::Array<Subtitle> _subtitles;
+	Graphics::Surface _bottomSubs;
+	Graphics::Surface _topSubs;
+	bool _haveBottomSubs;
+	bool _haveTopSubs;
+	int64 _currentFrame;
+	byte _alphaColor;
+};
+
+} // End of namespace Neverhood
+
+#endif /* NEVERHOOD_SUBTITLES_H */