From 03231a43373f52830007ec1ecb777b2a36de2b08 Mon Sep 17 00:00:00 2001
From: Bradley Bell <btb@icculus.org>
Date: Mon, 26 Aug 2002 07:51:01 +0000
Subject: [PATCH] changed txt to tex

---
 utilities/tex2txb.c | 49 +++++++++++++++++++++++++++++++++++++++++++++
 utilities/txb2tex.c | 45 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 94 insertions(+)
 create mode 100755 utilities/tex2txb.c
 create mode 100755 utilities/txb2tex.c

diff --git a/utilities/tex2txb.c b/utilities/tex2txb.c
new file mode 100755
index 00000000..87be8f07
--- /dev/null
+++ b/utilities/tex2txb.c
@@ -0,0 +1,49 @@
+#include <stdio.h>
+
+int
+main(int argc, char *argv[])
+{
+	FILE *file, *outfile;
+	char ch;
+	int code;
+
+	if (argc != 3) {
+		printf("TEX2TXB V1.0 Copyright (c) Bryan Aamot, 1995\n"
+			   "Modified by Bradley Bell, 2002\n"
+		       "Text to TXB converter for Descent HOG files.\n"
+		       "Converts a ascii text files to *.txb descent hog file format.\n"
+		       "Usage: TEX2TXB <text file name> <txb file name>\n"
+		       "Example: TEX2TXB briefing.tex briefing.txb\n");
+		exit(1);
+	}
+	file = fopen(argv[1], "rb");
+	if (!file) {
+		printf("Can't open file (%s)\n", argv[1]);
+		exit(2);
+	}
+
+	outfile = fopen(argv[2], "wb");
+	if (!outfile) {
+		printf("Can't open file (%s)\n", argv[2]);
+		fclose(file);
+		exit(2);
+	}
+
+	for (;;) {
+		ch = getc(file);
+		if (feof(file)) break;
+		if (ch!=0x0d) {
+			if (ch==0x0a) {
+				fprintf(outfile, "\x0a");
+			} else {
+				code = ( ( (ch &0xfC) >> 2) + ( (ch &0x03) << 6 ) ) ^ 0xe9;
+				fprintf(outfile, "%c", code);
+			}
+		}
+	}
+
+	fclose(outfile);
+	fclose(file);
+
+	return 0;
+}
diff --git a/utilities/txb2tex.c b/utilities/txb2tex.c
new file mode 100755
index 00000000..037a5583
--- /dev/null
+++ b/utilities/txb2tex.c
@@ -0,0 +1,45 @@
+#include <stdio.h>
+
+int
+main(int argc, char *argv[])
+{
+	FILE *file, *outfile;
+	char ch;
+	int code;
+
+	if (argc != 3) {
+		printf("TXB2TEX V1.0 Copyright (c) Bryan Aamot, 1995\n"
+			   "Modified by Bradley Bell, 2002\n"
+		       "TXB to Text converter for Descent HOG files.\n"
+		       "Converts a *.txb descent hog file to an ascii file.\n"
+		       "Usage: TXB2TEX <txb file name> <text file name>\n"
+		       "Example: TEX2TXB briefing.txb briefing.tex\n");
+		exit(1);
+	}
+	file = fopen(argv[1], "rb");
+	if (!file) {
+		printf("Can't open txb file (%s)\n", argv[1]);
+		exit(2);
+	}
+	outfile = fopen(argv[2], "wb");
+	if (!outfile) {
+		printf("Can't open file (%s)\n", argv[2]);
+		fclose(file);
+		exit(2);
+	}
+	for (;;) {
+		code = getc(file);
+		if (feof(file)) break;
+		if (code == 0x0a) {
+			fprintf(outfile, "\x0d\x0a");
+		} else {
+			ch = (  ( (code&0x3f) << 2 ) + ( (code&0xc0) >> 6 )  ) ^ 0xa7;
+			fprintf(outfile, "%c", ch);
+		}
+	}
+
+	fclose(outfile);
+	fclose(file);
+
+	return 0;
+}
-- 
2.39.2