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engines/nancy/misc/lightning.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 NANCY_MISC_LIGHTNING_H
+#define NANCY_MISC_LIGHTNING_H
+
+#include "engines/nancy/commontypes.h"
+
+namespace Nancy {
+namespace Misc {
+
+// Special class that handles The Vampire Diaries' lightning screen effect.
+// Activated by the LightningOn action record as well as at the endgame section
+class Lightning {
+public:
+	enum LightningState { kBegin, kStartPulse, kPulse, kThunder, kNotRunning };
+
+	void beginLightning(int16 distance, uint16 pulseTime, int16 rgbPercent);
+	void endLightning();
+
+	void run();
+
+private:
+	void handlePulse(bool on);
+	void handleThunder();
+
+	//bool _isRunning = false;
+	LightningState _state = kNotRunning;
+
+	int16 _minRGBPercent = 0;
+	int16 _maxRGBPercent = 0;
+
+	int16 _minInterPulseDelay = 0;
+	int16 _maxInterPulseDelay = 0;
+
+	int16 _minPulseLength = 5;
+	int16 _maxPulseLength = 0;
+
+	int16 _minSoundStartDelay = 0;
+	int16 _maxSoundStartDelay = 0;
+
+	uint32 _nextStateTime = 0;
+	uint32 _nextSoundTime0 = 0;
+	uint32 _nextSoundTime1 = 0;
+
+	int _nextSoundToPlay = 0;
+
+	Common::Array<RenderObject *> _viewportObjs;
+	Common::Array<byte *> _viewportObjOriginalPalettes;
+};
+
+} // End of namespace Misc
+} // End of namespace Nancy
+
+#endif // NANCY_MISC_LIGHTNING_H