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engines/kyra/graphics/wsamovie.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 KYRA_WSAMOVIE_H
+#define KYRA_WSAMOVIE_H
+
+#include "kyra/kyra_v1.h"
+
+namespace Kyra {
+
+class Palette;
+
+class Movie {
+public:
+	Movie(KyraEngine_v1 *vm) : _vm(vm), _screen(vm->screen()), _opened(false),  _x(-1), _y(-1), _drawPage(-1) {}
+	virtual ~Movie() {}
+
+	virtual bool opened() { return _opened; }
+
+	virtual int xAdd() const { return 0; }
+	virtual int yAdd() const { return 0; }
+
+	virtual int width() const = 0;
+	virtual int height() const = 0;
+
+	virtual int open(const char *filename, int offscreen, Palette *palette) = 0;
+	virtual void close() = 0;
+
+	virtual int frames() = 0;
+
+	virtual void displayFrame(int frameNum, int pageNum, int x, int y, uint16 flags, const uint8 *table1, const uint8 *table2) = 0;
+
+protected:
+	KyraEngine_v1 *_vm;
+	Screen *_screen;
+	bool _opened;
+
+	int _x, _y;
+	int _drawPage;
+};
+
+class WSAMovie_v1 : public Movie {
+public:
+	WSAMovie_v1(KyraEngine_v1 *vm);
+	~WSAMovie_v1() override;
+
+	int width() const override { return _width; }
+	int height() const override { return _height; }
+
+	int open(const char *filename, int offscreen, Palette *palette) override;
+	void close() override;
+
+	int frames() override { return _opened ? _numFrames : -1; }
+
+	void displayFrame(int frameNum, int pageNum, int x, int y, uint16 flags, const uint8 *table1, const uint8 *table2) override;
+
+	enum WSAFlags {
+		WF_OFFSCREEN_DECODE = 0x10,
+		WF_NO_LAST_FRAME = 0x20,
+		WF_NO_FIRST_FRAME = 0x40,
+		WF_FLIPPED = 0x80,
+		WF_HAS_PALETTE = 0x100,
+		WF_XOR = 0x200
+	};
+
+protected:
+	virtual void processFrame(int frameNum, uint8 *dst);
+
+	uint16 _currentFrame;
+	uint16 _numFrames;
+	uint16 _width;
+	uint16 _height;
+	uint16 _flags;
+	uint8 *_deltaBuffer;
+	uint32 _deltaBufferSize;
+	uint8 *_offscreenBuffer;
+	uint32 *_frameOffsTable;
+	uint8 *_frameData;
+};
+
+class WSAMovieAmiga : public WSAMovie_v1 {
+public:
+	WSAMovieAmiga(KyraEngine_v1 *vm);
+	int open(const char *filename, int offscreen, Palette *palette) override;
+	void close() override;
+
+	void displayFrame(int frameNum, int pageNum, int x, int y, uint16 flags, const uint8 *table1, const uint8 *table2) override;
+private:
+	void processFrame(int frameNum, uint8 *dst) override;
+
+	uint8 *_buffer;
+};
+
+class WSAMovie_v2 : public WSAMovie_v1 {
+public:
+	WSAMovie_v2(KyraEngine_v1 *vm);
+
+	int open(const char *filename, int unk1, Palette *palette) override;
+	void displayFrame(int frameNum, int pageNum, int x, int y, uint16 flags, const uint8 *table1, const uint8 *table2) override {
+		WSAMovie_v1::displayFrame(frameNum, pageNum, x + _xAdd, y + _yAdd, flags, table1, table2);
+	}
+
+	int xAdd() const override { return _xAdd; }
+	int yAdd() const override { return _yAdd; }
+
+	void setWidth(int w) { _width = w; }
+	void setHeight(int h) { _height = h; }
+protected:
+	int16 _xAdd;
+	int16 _yAdd;
+};
+
+} // End of namespace Kyra
+
+#endif