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engines/lastexpress/game/nis.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_NIS_H
+#define LASTEXPRESS_NIS_H
+
+#include "lastexpress/lastexpress.h"
+
+#include "lastexpress/data/archive.h"
+#include "lastexpress/sound/slot.h"
+
+namespace LastExpress {
+
+class LastExpressEngine;
+class Slot;
+
+struct HPF;
+struct Event;
+struct NisSprite;
+struct NisEvents;
+struct Extent;
+
+#define NIS_SOUND_CHUNK_SIZE  739
+
+class NISManager {
+
+public:
+	NISManager(LastExpressEngine *engine);
+	~NISManager();
+	
+	void clearBounds();
+	void addBounds(Extent extent);
+	void convertNSPR16(byte *spriteData, NisSprite *outSprite);
+	void getStream(byte *data, int32 size);
+	void loadSnd(int32 size);
+	int loadChunk(int32 size);
+	bool initNIS(const char *filename, int32 flags);
+	void endNIS();
+	void abortNIS();
+	void nisMouse(Event *event);
+	void nisTimer(Event *event);
+	void drawSprite(NisSprite *sprite);
+	void waxSprite(NisSprite *sprite);
+	void waneSprite(NisSprite *sprite);
+	void showNISStatus(int32 status);
+	bool doNIS(const char *name, int32 flags);
+	void processNIS(NisEvents *event);
+	void drawBK(int type);
+	void getNISSlot();
+
+	Slot *getChainedSound();
+	void setChainedSound(Slot *slot);
+	int32 getNISFlag();
+
+private:
+	LastExpressEngine *_engine = nullptr;
+
+	int32 _flags = 0;
+
+	Common::Rect _nisRect = Common::Rect(0, 0, 0, 0);
+
+	int32 _eventsCount = 0;
+	NisEvents *_events = nullptr;
+	byte *_eventsByteStream = nullptr;
+
+	int32 _numOfOverlays = 0;
+
+	HPF *_archive = nullptr;
+	Slot *_currentNISSound = nullptr;
+	Slot *_chainedSoundSlot = nullptr;
+
+	int32 _streamCurrentPosition = 0;
+	int32 _currentStreamPage = 0;
+	int32 _totalStreamPages = 0;
+	int32 _remainingStreamBytes = 0;
+	int32 _streamBufferSize = 0;
+	int32 _totalBackgroundPages = 0;
+	Extent _spriteExtent;
+
+	PixMap *_backgroundSurface = nullptr;
+	int32 _nisStatus = 0;
+	bool _decompressToBackBuffer = true;
+	bool _firstNISBackgroundDraw = true;
+	bool _waxWaneToggleFlag = false;
+
+	NisSprite *_background1 = nullptr;
+	NisSprite *_background2 = nullptr;
+	NisSprite *_waneSprite = nullptr;
+	NisSprite *_waxSprite = nullptr;
+
+	byte *_background1ByteStream = nullptr;
+	byte *_background2ByteStream = nullptr;
+	byte *_waneSpriteByteStream = nullptr;
+	byte *_waxSpriteByteStream = nullptr;
+
+	int32 _cumulativeEventSize = 0;
+	bool _backgroundFlag = false;
+	int32 _backgroundType = 0;
+	int32 _selectBackgroundType = 0;
+	int32 _background1Offset = 0;
+	int32 _waneSpriteOffset = 0;
+
+	PixMap *_originalBackgroundSurface = nullptr;
+
+
+	void (LastExpressEngine::*_savedTimerEventHandle)(Event *) = nullptr;
+	void (LastExpressEngine::*_savedMouseEventHandle)(Event *) = nullptr;
+};
+
+} // End of namespace LastExpress
+
+#endif // LASTEXPRESS_NIS_H