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engines/lastexpress/sound/subtitle.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 LASTEXPRESS_SOUND_SUBTITLE_H
+#define LASTEXPRESS_SOUND_SUBTITLE_H
+
+#include "lastexpress/shared.h"
+#include "lastexpress/sound/slot.h"
+
+namespace LastExpress {
+
+class LastExpressEngine;
+class Slot;
+struct FontData;
+
+typedef uint16 PixMap;
+
+class Subtitle {
+	friend class Slot;
+	friend class LastExpressEngine;
+	friend class SubtitleManager;
+
+public:
+	Subtitle(LastExpressEngine *engine, const char *filename, Slot *slot);
+	~Subtitle();
+	void load();
+	void update();
+	void kill();
+
+protected:
+	LastExpressEngine *_engine = nullptr;
+	char _filename[24]; // Originally 12 bytes, but it constantly overflows...
+	int _status = 0;
+	Slot *_slot = nullptr;
+	uint16 *_data = nullptr;
+	Subtitle *_next = nullptr;
+};
+
+class SubtitleManager {
+	friend class Subtitle;
+	friend class MemoryManager;
+	friend class GraphicsManager;
+
+public:
+	SubtitleManager(LastExpressEngine *engine);
+	~SubtitleManager();
+
+	void initSubtitles();
+	void storeVArea(PixMap *pixels);
+	void restoreVArea(PixMap *pixels);
+	void vSubOn();
+	void vSubOff();
+	void clearSubArea();
+	void drawChar(PixMap *destBuf, uint8 whichChar);
+	void drawSubArea(uint16 *subtitleData);
+	void subThread();
+
+private:
+	LastExpressEngine *_engine = nullptr;
+
+	uint16 *_subtitlesData = nullptr;
+	Subtitle *_subtitlesQueue = nullptr;
+	Subtitle *_currentSubtitle = nullptr;
+	int32 _flags = 0;
+	int32 _subtitleIndex = 0;
+	int32 _lowerLineXStart = 0;
+	int32 _upperLineXStart = 0;
+	int32 _upperLineCharWidths[60];
+	int32 _lowerLineCharWidths[60];
+	int16 _upperLineChars[60];
+	int16 _lowerLineChars[60];
+	int32 _upperLineLength = 0;
+	int32 _lowerLineLength = 0;
+	FontData *_font = nullptr;
+};
+
+} // End of namespace LastExpress
+
+#endif // LASTEXPRESS_SOUND_SUBTITLE_H