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engines/supernova/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 SUPERNOVA_SCREEN_H
+#define SUPERNOVA_SCREEN_H
+
+#include "common/array.h"
+#include "common/rect.h"
+#include "common/scummsys.h"
+
+#include "supernova/imageid.h"
+#include "supernova/msn_def.h"
+#include "supernova/resman.h"
+
+namespace Supernova {
+
+class SupernovaEngine;
+class GameManager;
+class ResourceManager;
+class GuiElement;
+class Room;
+class MSNImage;
+class Screen;
+
+const int kScreenWidth  = 320;
+const int kScreenHeight = 200;
+const int kFontWidth = 5;
+const int kFontWidth2 = 4;
+const int kFontHeight = 8;
+
+enum Color {
+	kColorBlack       =  0,
+	kColorWhite25     =  1,
+	kColorWhite35     =  2,
+	kColorWhite44     =  3,
+	kColorWhite99     =  4,
+	kColorDarkGreen   =  5,
+	kColorGreen       =  6,
+	kColorDarkRed     =  7,
+	kColorRed         =  8,
+	kColorDarkBlue    =  9,
+	kColorBlue        = 10,
+	kColorWhite63     = 11,
+	kColorLightBlue   = 12,
+	kColorLightGreen  = 13,
+	kColorLightYellow = 14,
+	kColorLightRed    = 15,
+	kColorPurple      = 16,
+	kColorCursorTransparent = kColorWhite25
+};
+
+class ScreenBuffer {
+	friend class ScreenBufferStack;
+
+public:
+	ScreenBuffer();
+
+private:
+	byte *_pixels;
+	int _x;
+	int _y;
+	int _width;
+	int _height;
+};
+
+class ScreenBufferStack {
+public:
+	ScreenBufferStack();
+
+	void push(int x, int y, int width, int height);
+	void restore();
+
+private:
+	ScreenBuffer _buffer[8];
+	ScreenBuffer *_last;
+};
+
+class Marquee {
+public:
+	enum MarqueeId {
+		kMarqueeIntro,
+		kMarqueeOutro
+	};
+
+	Marquee(Screen *screen, MarqueeId id, const char *text);
+	~Marquee();
+
+	bool renderCharacter();
+	void reset();
+
+private:
+	void clearText();
+
+	Screen *_screen;
+	const char *const _textBegin;
+	const char *_text;
+	bool _loop;
+	int _delay;
+	int _color;
+	byte *_oldColor;
+	int _x;
+	int _y;
+	int _textWidth;
+};
+
+class Screen {
+	friend class Marquee;
+
+public:
+	struct ImageInfo {
+		int filenumber;
+		int section;
+	};
+
+public:
+	static void initPalette();
+	static int textWidth(const uint16 key);
+	static int textWidth(const char *text);
+	static int textWidth(const Common::String &text);
+
+public:
+	Screen(SupernovaEngine *vm, ResourceManager *resMan);
+
+	int getScreenWidth() const;
+	int getScreenHeight() const;
+	int getViewportBrightness() const;
+	void setViewportBrightness(int brightness);
+	int getGuiBrightness() const;
+	void setGuiBrightness(int brightness);
+	MSNImage *getCurrentImage();
+	const ImageInfo *getImageInfo(ImageId id) const;
+	bool isMessageShown() const;
+	void paletteFadeIn(int maxViewportBrightness);
+	void paletteFadeOut(int minBrightness);
+	void paletteBrightness();
+	void renderImage(ImageId id, bool removeImage = false);
+	void renderImage(int section);
+	bool setCurrentImage(int filenumber);
+	void saveScreen(int x, int y, int width, int height);
+	void saveScreen(const GuiElement &guiElement);
+	void restoreScreen();
+	void renderRoom(Room &room);
+	void renderMessage(const char *text, MessagePosition position = kMessageNormal, int positionX = -1, int positionY = -1);
+	void renderMessage(const Common::String &text, MessagePosition position = kMessageNormal);
+	void renderMessage(int stringId, MessagePosition position = kMessageNormal,
+					   Common::String var1 = "", Common::String var2 = "");
+	void removeMessage();
+	void renderText(const uint16 character);
+	void renderText(const char *text);
+	void renderText(const Common::String &text);
+	void renderText(int stringId);
+	void renderText(const uint16 character, int x, int y, byte color);
+	void renderText(const char *text, int x, int y, byte color);
+	void renderText(const Common::String &text, int x, int y, byte color);
+	void renderText(int stringId, int x, int y, byte color);
+	void renderText(const GuiElement &guiElement);
+	void renderBox(int x, int y, int width, int height, byte color);
+	void renderBox(const GuiElement &guiElement);
+	void setColor63(byte value);
+	Common::Point getTextCursorPos();
+	void setTextCursorPos(int x, int y);
+	byte getTextCursorColor();
+	void setTextCursorColor(byte color);
+	void update();
+	void changeCursor(ResourceManager::CursorId);
+
+private:
+	void renderImageSection(const MSNImage *image, int section, bool invert);
+
+private:
+	SupernovaEngine *_vm;
+	ResourceManager *_resMan;
+	MSNImage *_currentImage;
+	ScreenBufferStack _screenBuffer;
+	int _screenWidth;
+	int _screenHeight;
+	int  _textCursorX;
+	int  _textCursorY;
+	int  _textColor;
+	byte _viewportBrightness;
+	byte _guiBrightness;
+	bool _messageShown;
+};
+
+}
+
+#endif