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engines/lastexpress/graphics.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_GRAPHICS_H
+#define LASTEXPRESS_GRAPHICS_H
+
+#include "lastexpress/lastexpress.h"
+
+#include "graphics/surface.h"
+
+namespace LastExpress {
+
+typedef struct TBM {
+	int32 x;
+	int32 y;
+	int32 width;
+	int32 height;
+
+	TBM() {
+		x = 0;
+		y = 0;
+		width = 0;
+		height = 0;
+	}
+
+	TBM(int32 newX, int32 newY, int32 newWidth, int32 newHeight) {
+		x = newX;
+		y = newY;
+		width = newWidth;
+		height = newHeight;
+	}
+
+} TBM;
+
+#include "common/pack-start.h"
+typedef struct CursorHeader {
+	int16 hotspotX;
+	int16 hotspotY;
+} CursorHeader;
+#include "common/pack-end.h"
+
+typedef uint16 PixMap;
+
+struct Sprite;
+
+class GraphicsManager {
+	friend class CFight;
+	friend class MemoryManager;
+	friend class LastExpressEngine;
+	friend class LogicManager;
+	friend class SubtitleManager;
+	friend class ArchiveManager;
+	friend class GoldArchiveManager;
+	friend class NISManager;
+	friend class Menu;
+	friend class SpriteManager;
+
+public:
+	GraphicsManager(LastExpressEngine *engine);
+	~GraphicsManager();
+
+	bool acquireSurface();
+	void unlockSurface();
+	void burstAll();
+
+	void stepBG(int sceneIndex);
+	void goStepBG(int sceneIndex);
+	void stepDissolve(TBM *tbm);
+	void clear(Graphics::Surface &surface, int32 x, int32 y, int32 width, int32 height);
+	void clear(PixMap *pixels, int32 x, int32 y, int32 width, int32 height);
+	void copy(PixMap *src, PixMap *dst, int32 x, int32 y, int32 width, int32 height);
+	void goDissolve(int32 location, int32 width, int32 height, PixMap *buffer);
+	void bitBltSprite255(Sprite *sprite, PixMap *pixels);
+	void bitBltSprite128(Sprite *sprite, PixMap *pixels);
+	void bitBltSprite32(Sprite *sprite, PixMap *pixels);
+	void bitBltSprite16(Sprite *sprite, PixMap *pixels);
+	void bitBltSprite8(Sprite *sprite, PixMap *pixels);
+	void bitBltWane128(Sprite *sprite, PixMap *pixels);
+	void bitBltWane32(Sprite *sprite, PixMap *pixels);
+	void bitBltWane16(Sprite *sprite, PixMap *pixels);
+	void bitBltWane8(Sprite *sprite, PixMap *pixels);
+	void bitBltWax128(Sprite *sprite, PixMap *pixels);
+	void bitBltWax32(Sprite *sprite, PixMap *pixels);
+	void bitBltWax16(Sprite *sprite, PixMap *pixels);
+	void bitBltWax8(Sprite *sprite, PixMap *pixels);
+	void eraseSprite(byte *data);
+	void dissolve(int32 location, int32 width, int32 height, PixMap *buf);
+	void doErase(byte *data);
+
+	// PALETTE
+	void modifyPalette(uint16 *data, uint32 size);
+	int getGammaLevel();
+	void setGammaLevel(int level);
+	void initLuminosityValues(int16 rMask, int16 gMask, int16 bMask);
+	void initDecomp(PixMap *data, TBM *tbm);
+	void decompR(byte *data, int32 size);
+	void decompG(byte *data, int32 size);
+	void decompB(byte *data, int32 size);
+	bool decomp16(byte *data, int32 size);
+
+	// CURSOR HANDLING
+	void drawItem(int cursor, int32 x, int32 y);
+	void drawItemDim(int cursor, int32 x, int32 y, int brightness);
+	void drawMouse();
+	void storeMouse();
+	void restoreMouse();
+	void newMouseLoc();
+	void burstMouseArea(bool updateScreen = true);
+	void burstBox(int32 x, int32 y, int32 width, int32 height, bool updateScreen = true);
+	bool canDrawMouse();
+	void setMouseDrawable(bool drawable);
+
+protected:
+	LastExpressEngine *_engine = nullptr;
+	PixMap *_frontBuffer = nullptr;
+	PixMap *_backBuffer = nullptr;
+	PixMap _mouseBackBuffer[32 * 32];
+
+	byte *_backgroundCompBuffer = nullptr;
+	PixMap _subtitlesBackBuffer[36480];
+	Graphics::Surface _screenSurface;
+	bool _mainSurfaceIsInit = false;
+
+	TBM _renderBox1;
+	TBM _renderBox2;
+	int _gammaLevel = 3;
+	int32 _dissolveSteps = 3;
+
+	bool _luminosityIsInit = false;
+
+	uint16 _brightnessData[6] = {
+		0x0000, 0x7BDE, 0x739C,
+		0x6318, 0x4210, 0x0000
+	};
+
+	int16 _brightnessMaskedBits = 0;
+	int16 _brightnessUnmaskedBits = 0;
+
+	TBM *_bgDecompTargetRect = nullptr;
+	byte *_bgDecompOutBuffer = nullptr;
+	byte *_bgDecompOutBufferTemp = nullptr;
+	int32 _bgDecompFlags = 0;
+	byte _bgLastCompItem = 0;
+	int32 _bgOutChannelDataSizes[3] = { 0, 0, 0 };
+
+	// For the Wax&Wane compression
+	PixMap *_frameData = nullptr;
+	PixMap *_decompressedOffset = nullptr;
+	int _numBlanks = 0;
+
+	bool _disableCharacterDrawing = false;
+	bool _stepBGRecursionFlag = false;
+	bool _shouldDrawEggOrHourglass = false;
+
+	int32 _mouseScreenBufStart = 0;
+	TBM _mouseAreaRect = TBM(320, 240, 32, 32);
+	bool _canDrawMouse = false;
+
+	CursorHeader *_cursorsDataHeader = nullptr;
+	PixMap *_iconsBitmapData = nullptr;
+	uint8 _luminosityData[32 * 7] = {
+		0,  1,  1,  2,  3,  4,  4,  5,  6,  7,  8,  8,  9, 10, 11, 12, 13, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 27, 28, 31,
+		0,  1,  2,  2,  3,  4,  5,  6,  6,  7,  8,  9, 10, 11, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 29, 31,
+		0,  1,  2,  3,  3,  4,  5,  6,  7,  8,  9,  9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 28, 29, 31,
+		0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+		0,  2,  3,  4,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 22, 23, 24, 25, 26, 27, 28, 28, 29, 30, 31,
+		0,  2,  4,  5,  6,  8,  9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 20, 21, 22, 23, 24, 25, 25, 26, 27, 28, 29, 29, 30, 31,
+		0,  3,  4,  6,  7,  8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 18, 19, 20, 21, 22, 23, 23, 24, 25, 26, 27, 27, 28, 29, 30, 30, 31
+	};
+};
+
+} // End of namespace LastExpress
+
+#endif // LASTEXPRESS_GRAPHICS_H