// // Copyright 2020 Electronic Arts Inc. // // TiberianDawn.DLL and RedAlert.dll and corresponding source code 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. // TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed // in the hope that it will be useful, but with permitted additional restrictions // under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT // distributed with this program. You should have received a copy of the // GNU General Public License along with permitted additional restrictions // with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection /* $Header: F:\projects\c&c\vcs\code\monoc.h_v 2.16 06 Sep 1995 16:29:02 JOE_BOSTIC $ */ /*********************************************************************************************** *** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S *** *********************************************************************************************** * * * Project Name : Command & Conquer * * * * File Name : MONO.H * * * * Programmer : Joe L. Bostic * * * * Start Date : July 2, 1994 * * * * Last Update : July 2, 1994 [JLB] * * * *---------------------------------------------------------------------------------------------* * Functions: * * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ #ifndef MONOC_H #define MONOC_H class MonoClass { /* ** This is a private structure that is used to control which characters ** are used when a box is drawn. Line drawing on the monochrome screen is ** really made up of characters. This specifies which characters to use. */ typedef struct { char UpperLeft; char TopEdge; char UpperRight; char RightEdge; char BottomRight; char BottomEdge; char BottomLeft; char LeftEdge; } BoxDataType; /* ** Each cell is constructed of the actual character that is displayed and the ** attribute to use. This character pair is located at every position on the ** display (80 x 25). Since this cell pair can be represented by a "short" ** integer, certain speed optimizations are taken in the monochrome drawing ** code. */ typedef struct { char Character; // Character to display. char Attribute; // Attribute. } CellType; /* ** These private constants are used in the various monochrome operations. */ enum MonoClassPortEnums { CONTROL_PORT=0x03B4, // CRTC control register. DATA_PORT=0x03B5, // CRTC data register. COLUMNS=80, // Number of columns. LINES=25, // Number of lines. SIZE_OF_PAGE=LINES*COLUMNS*sizeof(CellType), // Entire page size. DEFAULT_ATTRIBUTE=0x02 // Normal white on black color attribute. }; public: enum MonoClassPageEnums { MAX_MONO_PAGES=16, // Maximum RAM pages on mono card. SEGMENT=0xB000 // Monochrome screen segment. }; /* ** These are the various box styles that may be used. */ typedef enum BoxStyleType { SINGLE, // Single thickness. DOUBLE_HORZ, // Double thick on the horizontal axis. DOUBLE_VERT, // Double thick on the vertical axis. DOUBLE, // Double thickness. COUNT } BoxStyleType; MonoClass(void); ~MonoClass(void); static void Enable(void) {Enabled = 1;}; static void Disable(void) {Enabled = 0;}; static int Is_Enabled(void) {return Enabled;}; static MonoClass * Get_Current(void) {return PageUsage[0];}; void Draw_Box(int x, int y, int w, int h, char attrib=DEFAULT_ATTRIBUTE, BoxStyleType thick=SINGLE); void Set_Default_Attribute(char attrib) {Attrib = attrib;}; void Clear(void); void Set_Cursor(int x, int y); void Print(char const *text); void Print(int text); void Printf(char const *text, ...); void Printf(int text, ...); void Text_Print(char const *text, int x, int y, char attrib=DEFAULT_ATTRIBUTE); void Text_Print(int text, int x, int y, char attrib=DEFAULT_ATTRIBUTE); void View(void); int Get_X(void) const {return X;}; int Get_Y(void) const {return Y;}; /* ** Handles deep copies for the mono class objects. This performs what is essentially ** a screen copy. */ MonoClass & operator = (MonoClass const & ); /* ** This merely makes a duplicate of the mono object into a newly created mono ** object. */ MonoClass (MonoClass const &); private: char X; // Cursor X position. char Y; // Cursor Y position. char Attrib; // Normal attribute to use if none specified. char Page; // The current page to write to. /* ** Helper functions to help with display operations. */ int Offset(int x=0, int y=0) const {return (SIZE_OF_PAGE*Page) + sizeof(CellType)*(x + (y*COLUMNS));}; void Scroll(int lines); void Store_Cell(CellType &cell, int x, int y) { *(CellType *)((long)MonoSegment + Offset(x, y)) = cell; }; /* ** This is the segment/selector of the monochrome screen. */ static void * MonoSegment; /* ** This the the arrays of characters used for drawing boxes. */ static BoxDataType const CharData[4]; /* ** This array contains pointers to the monochrome objects that are assigned ** to each of the monochrome pages. As the monochrome pages are made visible, ** they can be shuffled around between the actual locations. The first entry ** in this table is the one that is visible. */ static MonoClass * PageUsage[MAX_MONO_PAGES]; /* ** If this is true, then monochrome output is allowed. It defaults to false ** so that monochrome output must be explicitly enabled. */ static int Enabled; }; void Mono_Set_Cursor(int x, int y); int Mono_Printf(char const *string, ...); void Mono_Clear_Screen(void); void Mono_Text_Print(void const *text, int x, int y, int attrib); void Mono_Draw_Rect(int x, int y, int w, int h, int attrib, int thick); void Mono_Print(void const *text); int Mono_X(void); int Mono_Y(void); #endif