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engines/lure/animseq.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 LURE_ANIMSEQ_H
+#define LURE_ANIMSEQ_H
+
+#include "lure/screen.h"
+
+namespace Lure {
+
+enum AnimAbortType {ABORT_NONE, ABORT_END_INTRO, ABORT_NEXT_SCENE};
+
+struct AnimSoundSequence {
+	uint16 numFrames;
+	uint8 adlibSoundId;
+	uint8 rolandSoundId;
+	uint8 channelNum;
+	bool music;
+};
+
+class AnimationSequence {
+private:
+	bool _isEGA;
+	uint16 _screenId;
+	Palette &_palette;
+	MemoryBlock *_decodedData;
+	MemoryBlock *_lineRefs;
+	byte *_pPixels, *_pLines;
+	byte *_pPixelsStart, *_pLinesStart;
+	byte *_pPixelsEnd, *_pLinesEnd;
+	const AnimSoundSequence *_soundList;
+	int _frameDelay;
+	uint8 _loops;
+
+	AnimAbortType delay(uint32 milliseconds);
+	void egaDecodeFrame(byte *&pPixels);
+	void vgaDecodeFrame(byte *&pPixels, byte *&pLines);
+public:
+	AnimationSequence(uint16 screenId, Palette &palette,  bool fadeIn, int frameDelay = 7,
+		const AnimSoundSequence *soundList = NULL, uint8 loops = 1);
+	~AnimationSequence();
+
+	AnimAbortType show();
+	bool step();
+	byte *showInitialScreen(byte *pSrc = 0);
+};
+
+} // End of namespace Lure
+
+#endif