mirror of
https://github.com/electronicarts/CnC_Remastered_Collection
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03416d24e1
Initial commit of original Tiberian Dawn and Red Alert source code converted to build as DLLs, and compatible with the release version of Command & Conquer Remastered.
326 lines
13 KiB
C++
326 lines
13 KiB
C++
//
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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/* $Header: g:/library/source/rcs/./dipthong.c 1.15 1994/05/20 15:35:17 joe_bostic Exp $ */
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/***************************************************************************
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** C O N F I D E N T I A L --- W E S T W O O D A S S O C I A T E S **
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***************************************************************************
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* *
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* Project Name : Westwood Library *
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* *
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* File Name : DIPTHONG.C *
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* *
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* Programmer : Joe L. Bostic *
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* *
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* Start Date : February 23, 1992 *
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* *
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* Last Update : February 13, 1995 [BWG] *
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* *
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* DIGRAM or DIATOMIC encoding is the correct term for this method. *
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* This is a fixed dictionary digram encoding optimized for English text. *
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* *
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*-------------------------------------------------------------------------*
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* Functions: *
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* Extract_String -- Extracts a string pointer from a string data block. *
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* UnDip_Text -- Undipthongs a text string into specified buffer. *
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* Dip_Text -- Compresses text by using dipthonging. *
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* Fixup_Text -- Converts dipthonged foreign text into normal text. *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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//#include "function.h"
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//#include "ems.h"
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#include <keyboard.h>
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#include "dipthong.h"
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/***************************************************************************
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* Fixup_Text -- Converts dipthonged foreign text into normal text. *
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* *
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* Takes text that has been processed (or undipped) to hold foriegn *
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* language character pairs (needed for Window_Print) and converts it *
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* so that Text_Print will print it properly. Typically this would be *
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* used after text has been undipped but before it will be Text_Printed.*
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* Text that is to be Window_Printed doesn't and mustn't have its text *
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* processed by this routine. *
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* *
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* INPUT: source -- Pointer to the source string to process. *
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* *
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* dest -- Destination buffer to hold the processed string. *
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* *
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* OUTPUT: none *
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* *
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* WARNINGS: This routine will only reduce the size of the string if it *
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* modifies it at all. Because of this it is quite legal to *
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* pass the same pointers to this routine so that it will *
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* modify the string "in place". *
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* *
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* HISTORY: *
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* 08/13/1993 JLB : Created. *
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* 10/06/1994 JLB : Handles source string in EMS. *
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*=========================================================================*/
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void Fixup_Text(char const *source, char *dest)
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{
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if (source && dest) {
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char const *src;
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char temp;
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src = source;
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while (*src) {
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if (*src == KA_EXTEND) {
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src++;
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temp = *src++;
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temp += 127;
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*dest++ = temp;
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} else {
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*dest++ = *src++;
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}
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}
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*dest = '\0';
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}
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}
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/***************************************************************************
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* Dip_Text -- Compresses text by using dipthonging. *
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* *
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* This routine is used to compress text by using dipthonging. Text *
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* that is compressed in this fashion usually is reduced in size by *
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* approximately 40%. *
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* *
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* INPUT: source -- Pointer to the source string to compress. *
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* *
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* dest -- Pointer to the buffer that will hold the dipthong *
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* text output. *
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* *
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* OUTPUT: Returns the number of bytes output into the output buffer. *
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* *
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* WARNINGS: none *
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* *
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* HISTORY: *
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* 08/13/1993 JLB : Created. *
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*=========================================================================*/
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int Dip_Text(char const *source, char *dest)
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{
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unsigned char first, // First character in pair.
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next; // Second character in pair.
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int common, // Common character index.
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dipthong; // Dipthong character index.
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unsigned long length=0; // Length of output string
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first = *source++;
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next = *source;
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while (first) {
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if (first > 127) {
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/*
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** Characters greater than 127 cannot be dipthonged. They must
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** be preceeded with an extended character code.
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*/
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*dest++ = (char)KA_EXTEND;
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first -= 127;
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length++;
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} else {
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/*
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** Normal characters can be dipthonged. First see if there is a
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** match in the Common table.
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*/
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for (common = 0; common < 16; common++) {
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if (Common[common] == first) {
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/*
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** Common character found. See if there is a matching
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** Dipthong character.
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*/
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for (dipthong = 0; dipthong < 8; dipthong++) {
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if (Dipthong[common][dipthong] == next) {
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first = (unsigned char) (common << 3);
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first |= (unsigned char)dipthong;
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first |= (unsigned char)0x80;
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source++;
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}
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}
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}
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}
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}
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/*
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** Output the translated character to the destination buffer.
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*/
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*dest++ = first;
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length++;
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first = *source++;
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next = *source;
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}
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*dest = '\0';
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return(length);
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}
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/***************************************************************************
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* UnDip_Text -- Undipthongs a text string into specified buffer. *
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* *
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* This routine is used to undipthong a text string and place the *
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* undipped text into the buffer specified. Since dipthonged text is *
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* compressed, in order for the text to be used it must be undipped *
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* first. *
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* *
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* INPUT: source -- Pointer to the dipped string. *
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* *
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* dest -- Pointer to the destination buffer. *
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* *
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* OUTPUT: Returns the number of bytes placed into the destination *
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* buffer. *
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* *
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* WARNINGS: Be sure the destination buffer is big enough to hold the *
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* undipped text. *
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* *
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* HISTORY: *
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* 08/13/1993 JLB : Created. *
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* 10/06/1994 JLB : Handles source string in EMS. *
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*=========================================================================*/
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int UnDip_Text(char const *source, char *dest)
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{
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int c; // Source input character.
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int common; // Common character index.
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int len; // Length of output string.
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char const *src;
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len = 0; // Presume no translation.
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/*
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** Sweep through the source text and dipthong it.
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*/
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src = source;
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c = *src++;
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while (c) {
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/*
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** Convert a dipthong character into it's component
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** ASCII characters.
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*/
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if (c & 0x80) {
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c &= 0x7F;
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common = (c & 0x78) >> 3;
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*dest++ = Common[common];
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len++;
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c = Dipthong[common][c & 0x07];
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}
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*dest++ = (unsigned char)c;
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len++;
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c = *src++;
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}
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/*
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** End the output text with a '\0'.
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*/
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*dest++ = '\0';
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return(len);
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}
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/***************************************************************************
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* Extract_String -- Extracts a string pointer from a string data block. *
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* *
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* This routine is used to find a pointer to the specified string *
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* inside a string block. String data blocks are created with the *
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* TEXTMAKE utility. The data block my reside in XMS or EMS memory, *
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* but of course the returned string pointer will also point to *
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* such memory. In this case, the string must be placed in real *
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* memory before it can be used. *
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* *
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* INPUT: data -- Pointer to the string data block. *
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* *
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* string -- The string number to extract (if < 0 then NULL *
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* is returned). *
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* *
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* OUTPUT: Returns with pointer to the string number specified. *
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* *
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* WARNINGS: none *
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* *
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* HISTORY: *
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* 08/13/1993 JLB : Created. *
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* 08/13/1993 JLB : Handles EMS or XMS data pointer. *
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*=========================================================================*/
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#define TXT_GUEST 4567+3
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#define TXT_LOGIN 4567+4
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#define TXT_LOGIN_TO_INTERNET 4567+5
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#define TXT_YOUR_HANDLE 4567+6
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#define TXT_YOUR_PASSWORD 4567+7
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#define TXT_INTERNET_HOST 4567+8
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#define TXT_INTERNET_JOIN 4567+9
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#define TXT_INTERNET_GAME_TYPE 4567+10
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#define TXT_JOIN_INTERNET_GAME 4567+11
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#define TXT_ENTER_IP_ADDRESS 4567+12
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#define TXT_WINSOCK_CONNECTING 4567+13
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#define TXT_WINSOCK_NOT_CONNECTING 4567+14
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#define TXT_WINSOCK_UNABLE_TO_CONNECT_TO_SERVER 4567+15
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#define TXT_WINSOCK_CONTACTING_SERVER 4567+16
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#define TXT_WINSOCK_SERVER_ADDRESS_LOOKUP_FAILED 4567+17
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#define TXT_WINSOCK_UNABLE_TO_ACCEPT_CLIENT 4567+18
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#define TXT_WINSOCK_UNABLE_TO_CONNECT 4567+19
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#define TXT_WINSOCK_CONNECTION_LOST 4567+20
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#define TXT_WINSOCK_RESOLVING_HOST_ADDRESS 4567+21
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static char InternetTxt[22][40]={
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"Internet H2H",
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"Host Internet Game",
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"Join Internet Game",
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"Guest",
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"Login",
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"Login to Planet Westwood",
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"Planet Westwood Handle",
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"Planet Westwood Password",
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"Host Game",
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"Join Game",
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"Choose Type of Internet Game",
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"Join Internet Game",
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"Address of Host",
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"Connecting...",
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"Connection Error!",
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"Unable to connect to host!",
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"Connecting to host...",
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"Unable to resolve host address!",
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"Unable to accept client connection",
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"Unable to connect!",
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"Connection lost!",
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"Resolving address of host..."
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};
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char *Extract_String(void const *data, int string)
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{
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unsigned short int const *ptr;
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if (!data || string < 0) return(NULL);
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if (string >= 4567) return (InternetTxt[string-4567]);
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ptr = (unsigned short int const *)data;
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return (((char*)data) + ptr[string]);
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}
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