diff options
Diffstat (limited to 'engines/lab/dispman.h')
| -rw-r--r-- | engines/lab/dispman.h | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/engines/lab/dispman.h b/engines/lab/dispman.h new file mode 100644 index 0000000000..d83d4fb73e --- /dev/null +++ b/engines/lab/dispman.h @@ -0,0 +1,274 @@ +/* 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 2 + * 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +/* + * This code is based on Labyrinth of Time code with assistance of + * + * Copyright (c) 1993 Terra Nova Development + * Copyright (c) 2004 The Wyrmkeep Entertainment Co. + * + */ + +#ifndef LAB_DISPMAN_H +#define LAB_DISPMAN_H + +namespace Lab { + +class LabEngine; +class Image; + +struct TextFont { + uint32 _dataLength; + uint16 _height; + byte _widths[256]; + uint16 _offsets[256]; + byte *_data; +}; + +enum TransitionType { + kTransitionNone, + kTransitionWipe, + kTransitionScrollWipe, + kTransitionScrollBlack, + kTransitionScrollBounce, + kTransitionTransporter, + kTransitionReadFirstFrame, + kTransitionReadNextFrame +}; + +class DisplayMan { +private: + LabEngine *_vm; + + /** + * Does the fading of the Palette on the screen. + */ + uint16 fadeNumIn(uint16 num, uint16 res, uint16 counter); + uint16 fadeNumOut(uint16 num, uint16 res, uint16 counter); + + /** + * Extracts the first word from a string. + */ + Common::String getWord(const char *mainBuffer); + + void createBox(uint16 y2); + + /** + * Sets up either a low-res or a high-res 256 color screen. + */ + void createScreen(bool hiRes); + + /** + * Scrolls the display to black. + */ + void doScrollBlack(); + void copyPage(uint16 width, uint16 height, uint16 nheight, uint16 startline, byte *mem); + + /** + * Scrolls the display to a new picture from a black screen. + */ + void doScrollWipe(const Common::String filename); + + /** + * Does the scroll bounce. Assumes bitmap already in memory. + */ + void doScrollBounce(); + + /** + * Does the transporter wipe. + */ + void doTransWipe(const Common::String filename); + + /** + * Draws a vertical line. + */ + void drawHLine(uint16 x, uint16 y1, uint16 y2, byte color); + + /** + * Draws a horizontal line. + */ + void drawVLine(uint16 x1, uint16 y, uint16 x2, byte color); + + /** + * Draws the text to the screen. + */ + void drawText(TextFont *tf, uint16 x, uint16 y, uint16 color, const Common::String text); + + /** + * Gets a line of text for flowText; makes sure that its length is less than + * or equal to the maximum width. + */ + Common::String getLine(TextFont *tf, const char **mainBuffer, uint16 lineWidth); + + /** + * Returns the length of a text in the specified font. + */ + uint16 textLength(TextFont *font, const Common::String text); + + bool _actionMessageShown; + Common::File *_curBitmap; + byte _curVgaPal[256 * 3]; + byte *_currentDisplayBuffer; + +public: + DisplayMan(LabEngine *lab); + virtual ~DisplayMan(); + + void loadPict(const Common::String filename); + void loadBackPict(const Common::String fileName, uint16 *highPal); + + /** + * Reads in a picture into the display bitmap. + */ + void readPict(const Common::String filename, bool playOnce = true, bool onlyDiffData = false, byte *memoryBuffer = nullptr); + void freePict(); + + /** + * Does a certain number of pre-programmed wipes. + */ + void doTransition(TransitionType transitionType, const Common::String filename); + + /** + * Changes the front screen to black. + */ + void blackScreen(); + + /** + * Changes the front screen to white. + */ + void whiteScreen(); + + /** + * Changes the entire screen to black. + */ + void blackAllScreen(); + + /** + * Draws the control panel display. + */ + void drawPanel(); + + /** + * Sets up the Labyrinth screens, and opens up the initial windows. + */ + void setUpScreens(); + + int longDrawMessage(Common::String str, bool isActionMessage); + + /** + * Draws a message to the message box. + */ + void drawMessage(Common::String str, bool isActionMessage); + + void setActionMessage(bool val) { _actionMessageShown = val; } + + /** + * Fills in a rectangle. + */ + void rectFill(uint16 x1, uint16 y1, uint16 x2, uint16 y2, byte color); + void rectFill(Common::Rect fillRect, byte color); + void rectFillScaled(uint16 x1, uint16 y1, uint16 x2, uint16 y2, byte color); + /** + * Dumps a chunk of text to an arbitrary box; flows it within that box and + * optionally centers it. Returns the number of characters that were processed. + * @note Every individual word MUST be int16 enough to fit on a line, and + * each line less than 255 characters. + * @param font Pointer on the font used + * @param spacing How much vertical spacing between the lines + * @param penColor Pen number to use for text + * @param backPen Background color + * @param fillBack Whether to fill the background + * @param centerh Whether to center the text horizontally + * @param centerv Whether to center the text vertically + * @param output Whether to output any text + * @param textRect Coords + * @param text The text itself + */ + int flowText(TextFont *font, int16 spacing, byte penColor, byte backPen, bool fillBack, + bool centerh, bool centerv, bool output, Common::Rect textRect, const char *text, Image *targetImage = nullptr); + + void screenUpdate(); + + /** + * Converts a 16-color Amiga palette to a VGA palette, then sets + * the VGA palette. + */ + void setAmigaPal(uint16 *pal); + + /** + * Writes any number of the 256 color registers. + * @param buf A char pointer which contains the selected color registers. + * Each value representing a color register occupies 3 bytes in the array. The + * order is red, green then blue. The first byte in the array is the red component + * of the first element selected. The length of the buffer is 3 times the number + * of registers selected. + * @param first The number of the first color register to write. + * @param numReg The number of registers to write. + */ + void writeColorRegs(byte *buf, uint16 first, uint16 numReg); + void setPalette(void *newPal, uint16 numColors); + + /** + * Overlays a region on the screen using the desired pen color. + */ + void checkerBoardEffect(uint16 penColor, uint16 x1, uint16 y1, uint16 x2, uint16 y2); + + /** + * Returns the base address of the current VGA display. + */ + byte *getCurrentDrawingBuffer(); + + /** + * Scrolls the display in the x direction by blitting. + * The _tempScrollData variable must be initialized to some memory, or this + * function will fail. + */ + void scrollDisplayX(int16 dx, uint16 x1, uint16 y1, uint16 x2, uint16 y2, byte *buffer); + + /** + * Scrolls the display in the y direction by blitting. + */ + void scrollDisplayY(int16 dy, uint16 x1, uint16 y1, uint16 x2, uint16 y2, byte *buffer); + void fade(bool fadein); + + /** + * Closes a font and frees all memory associated with it. + */ + void freeFont(TextFont **font); + + /** + * Returns the height of a specified font. + */ + uint16 textHeight(TextFont *tf); + + bool _longWinInFront; + bool _lastMessageLong; + uint32 _screenBytesPerPage; + int _screenWidth; + int _screenHeight; + byte *_displayBuffer; + uint16 *_fadePalette; +}; + +} // End of namespace Lab + +#endif // LAB_DISPMAN_H |