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engines/access/screen.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 ACCESS_SCREEN_H
+#define ACCESS_SCREEN_H
+
+#include "common/scummsys.h"
+#include "common/rect.h"
+#include "common/stream.h"
+#include "graphics/screen.h"
+#include "access/asurface.h"
+
+namespace Access {
+
+class AccessEngine;
+
+struct ScreenSave {
+	int _clipWidth;
+	int _clipHeight;
+	int _windowXAdd;
+	int _windowYAdd;
+	Common::Point _scroll;
+	int _scrollCol;
+	int _scrollRow;
+	Common::Point _bufferStart;
+	int _screenYOff;
+
+	ScreenSave();
+};
+
+class Screen : public BaseSurface {
+private:
+	AccessEngine *_vm;
+	byte _tempPalette[Graphics::PALETTE_SIZE];
+	byte _rawPalette[Graphics::PALETTE_SIZE];
+	byte _savedPalettes[2][Graphics::PALETTE_SIZE];
+	int _savedPaletteCount;
+	int _vesaCurrentWin;
+	int _currentPanel;
+	Common::Point _msVirtualOffset;
+	Common::Point _virtualOffsetsTable[4];
+	bool _hideFlag;
+	ScreenSave _screenSave;
+	int _startCycle;
+	int _cycleStart;
+	int _endCycle;
+
+	void updatePalette();
+public:
+	int _vesaMode;
+	int _startColor, _numColors;
+	Common::Point _bufferStart;
+	int _windowXAdd, _windowYAdd;
+	int _screenYOff;
+	byte _manPal[0x60];
+	byte _scaleTable1[256];
+	byte _scaleTable2[256];
+	int _vWindowWidth;
+	int _vWindowHeight;
+	int _vWindowBytesWide;
+	int _bufferBytesWide;
+	int _vWindowLinesTall;
+	bool _screenChangeFlag;
+	bool _fadeIn;
+public:
+	/**
+	 * Updates the screen
+	 */
+	void update() override;
+
+	void copyBlock(const BaseSurface *src, const Common::Rect &bounds) override;
+
+	void restoreBlock() override;
+
+	void drawRect() override;
+
+	void drawBox() override;
+
+	void copyBuffer(Graphics::ManagedSurface *src) override;
+public:
+	Screen(AccessEngine *vm);
+
+	~Screen() override {}
+
+	void setDisplayScan();
+
+	void setPanel(int num);
+
+	/**
+	 * Fade out screen
+	 */
+	void forceFadeOut();
+
+	/**
+	 * Fade in screen
+	 */
+	void forceFadeIn();
+
+	void fadeOut() { forceFadeOut(); }
+	void fadeIn() { forceFadeIn(); }
+	void clearScreen();
+
+	/**
+	 * Set the initial palette
+	 */
+	void setInitialPalettte();
+
+	/**
+	 * Set icon palette
+	 */
+	void setIconPalette();
+
+	/**
+	 * Set Tex palette (Martian Memorandum)
+	 */
+	void setManPalette();
+
+	void loadPalette(int fileNum, int subfile, int srcOffset = 0);
+
+	void setPalette();
+
+	void loadRawPalette(Common::SeekableReadStream *stream);
+
+	void savePalette();
+
+	void restorePalette();
+
+	void getPalette(byte *pal);
+
+	void flashPalette(int step);
+
+	/**
+	 * Copy a buffer to the screen
+	 */
+	void copyBuffer(const byte *data);
+
+	void setBufferScan();
+
+	void setScaleTable(int scale);
+
+	/**
+	 * Save all the screen display state variables
+	 */
+	void saveScreen();
+
+	/**
+	 * Restores previously saved screen display state variables
+	 */
+	void restoreScreen();
+
+	void setPaletteCycle(int startCycle, int endCycle, int timer);
+
+	void cyclePaletteForward();
+
+	void cyclePaletteBackwards();
+
+	void dump(const char *fname) const;
+};
+
+} // End of namespace Access
+
+#endif /* ACCESS_SCREEN_H */