mirror of
https://github.com/ganelson/inform.git
synced 2024-07-05 00:24:22 +03:00
556 lines
8.4 KiB
C
556 lines
8.4 KiB
C
/*
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* files.c
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*
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* Transscription, recording and playback
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include "frotz.h"
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#ifndef SEEK_SET
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#define SEEK_SET 0
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#define SEEK_CUR 1
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#define SEEK_END 2
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#endif
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extern void set_more_prompts (bool);
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extern bool is_terminator (zchar);
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extern bool read_yes_or_no (const char *);
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char script_name[MAX_FILE_NAME + 1] = DEFAULT_SCRIPT_NAME;
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char command_name[MAX_FILE_NAME + 1] = DEFAULT_COMMAND_NAME;
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#ifdef __MSDOS__
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extern char latin1_to_ibm[];
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#endif
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static script_width = 0;
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static FILE *sfp = NULL;
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static FILE *rfp = NULL;
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static FILE *pfp = NULL;
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/*
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* script_open
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*
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* Open the transscript file. 'AMFV' makes this more complicated as it
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* turns transscription on/off several times to exclude some text from
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* the transscription file. This wasn't a problem for the original V4
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* interpreters which always sent transscription to the printer, but it
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* means a problem to modern interpreters that offer to open a new file
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* every time transscription is turned on. Our solution is to append to
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* the old transscription file in V1 to V4, and to ask for a new file
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* name in V5+.
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*
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*/
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void script_open (void)
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{
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static bool script_valid = FALSE;
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char new_name[MAX_FILE_NAME + 1];
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h_flags &= ~SCRIPTING_FLAG;
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if (h_version >= V5 || !script_valid) {
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if (!os_read_file_name (new_name, script_name, FILE_SCRIPT))
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goto done;
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strcpy (script_name, new_name);
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}
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/* Opening in "at" mode doesn't work for script_erase_input... */
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if ((sfp = fopen (script_name, "r+t")) != NULL || (sfp = fopen (script_name, "w+t")) != NULL) {
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fseek (sfp, 0, SEEK_END);
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h_flags |= SCRIPTING_FLAG;
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script_valid = TRUE;
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ostream_script = TRUE;
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script_width = 0;
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} else print_string ("Cannot open file\n");
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done:
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SET_WORD (H_FLAGS, h_flags)
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}/* script_open */
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/*
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* script_close
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*
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* Stop transscription.
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*
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*/
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void script_close (void)
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{
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h_flags &= ~SCRIPTING_FLAG;
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SET_WORD (H_FLAGS, h_flags)
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fclose (sfp); ostream_script = FALSE;
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}/* script_close */
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/*
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* script_new_line
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*
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* Write a newline to the transscript file.
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*
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*/
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void script_new_line (void)
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{
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if (fputc ('\n', sfp) == EOF)
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script_close ();
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script_width = 0;
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}/* script_new_line */
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/*
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* script_char
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*
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* Write a single character to the transscript file.
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*
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*/
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void script_char (zchar c)
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{
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if (c == ZC_INDENT && script_width != 0)
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c = ' ';
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if (c == ZC_INDENT)
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{ script_char (' '); script_char (' '); script_char (' '); return; }
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if (c == ZC_GAP)
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{ script_char (' '); script_char (' '); return; }
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#ifdef __MSDOS__
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if (c >= ZC_LATIN1_MIN)
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c = latin1_to_ibm[c - ZC_LATIN1_MIN];
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#endif
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fputc (c, sfp); script_width++;
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}/* script_char */
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/*
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* script_word
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*
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* Write a string to the transscript file.
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*
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*/
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void script_word (const zchar *s)
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{
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int width;
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int i;
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if (*s == ZC_INDENT && script_width != 0)
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script_char (*s++);
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for (i = 0, width = 0; s[i] != 0; i++)
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if (s[i] == ZC_NEW_STYLE || s[i] == ZC_NEW_FONT)
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i++;
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else if (s[i] == ZC_GAP)
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width += 3;
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else if (s[i] == ZC_INDENT)
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width += 2;
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else
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width += 1;
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if (option_script_cols != 0 && script_width + width > option_script_cols) {
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if (*s == ' ' || *s == ZC_INDENT || *s == ZC_GAP)
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s++;
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script_new_line ();
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}
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for (i = 0; s[i] != 0; i++)
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if (s[i] == ZC_NEW_FONT || s[i] == ZC_NEW_STYLE)
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i++;
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else
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script_char (s[i]);
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}/* script_word */
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/*
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* script_write_input
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*
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* Send an input line to the transscript file.
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*
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*/
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void script_write_input (const zchar *buf, zchar key)
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{
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int width;
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int i;
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for (i = 0, width = 0; buf[i] != 0; i++)
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width++;
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if (option_script_cols != 0 && script_width + width > option_script_cols)
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script_new_line ();
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for (i = 0; buf[i] != 0; i++)
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script_char (buf[i]);
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if (key == ZC_RETURN)
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script_new_line ();
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}/* script_write_input */
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/*
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* script_erase_input
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*
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* Remove an input line from the transscript file.
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*
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*/
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void script_erase_input (const zchar *buf)
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{
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int width;
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int i;
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for (i = 0, width = 0; buf[i] != 0; i++)
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width++;
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fseek (sfp, -width, SEEK_CUR); script_width -= width;
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}/* script_erase_input */
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/*
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* script_mssg_on
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*
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* Start sending a "debugging" message to the transscript file.
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*
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*/
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void script_mssg_on (void)
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{
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if (script_width != 0)
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script_new_line ();
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script_char (ZC_INDENT);
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}/* script_mssg_on */
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/*
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* script_mssg_off
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*
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* Stop writing a "debugging" message.
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*
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*/
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void script_mssg_off (void)
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{
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script_new_line ();
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}/* script_mssg_off */
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/*
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* record_open
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*
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* Open a file to record the player's input.
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*
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*/
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void record_open (void)
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{
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char new_name[MAX_FILE_NAME + 1];
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if (os_read_file_name (new_name, command_name, FILE_RECORD)) {
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strcpy (command_name, new_name);
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if ((rfp = fopen (new_name, "wt")) != NULL)
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ostream_record = TRUE;
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else
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print_string ("Cannot open file\n");
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}
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}/* record_open */
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/*
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* record_close
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*
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* Stop recording the player's input.
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*
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*/
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void record_close (void)
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{
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fclose (rfp); ostream_record = FALSE;
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}/* record_close */
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/*
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* record_code
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*
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* Helper function for record_char.
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*
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*/
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static void record_code (int c, bool force_encoding)
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{
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if (force_encoding || c == '[' || c < 0x20 || c > 0x7e) {
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int i;
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fputc ('[', rfp);
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for (i = 10000; i != 0; i /= 10)
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if (c >= i || i == 1)
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fputc ('0' + (c / i) % 10, rfp);
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fputc (']', rfp);
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} else fputc (c, rfp);
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}/* record_code */
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/*
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* record_char
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*
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* Write a character to the command file.
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*
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*/
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static void record_char (zchar c)
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{
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if (c != ZC_RETURN)
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if (c < ZC_HKEY_MIN || c > ZC_HKEY_MAX) {
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record_code (translate_to_zscii (c), FALSE);
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if (c == ZC_SINGLE_CLICK || c == ZC_DOUBLE_CLICK) {
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record_code (mouse_x, TRUE);
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record_code (mouse_y, TRUE);
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}
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} else record_code (1000 + c - ZC_HKEY_MIN, TRUE);
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}/* record_char */
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/*
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* record_write_key
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*
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* Copy a keystroke to the command file.
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*
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*/
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void record_write_key (zchar key)
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{
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record_char (key);
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if (fputc ('\n', rfp) == EOF)
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record_close ();
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}/* record_write_key */
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/*
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* record_write_input
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*
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* Copy a line of input to a command file.
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*
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*/
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void record_write_input (const zchar *buf, zchar key)
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{
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zchar c;
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while ((c = *buf++) != 0)
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record_char (c);
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record_char (key);
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if (fputc ('\n', rfp) == EOF)
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record_close ();
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}/* record_write_input */
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/*
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* replay_open
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*
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* Open a file of commands for playback.
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*
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*/
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void replay_open (void)
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{
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char new_name[MAX_FILE_NAME + 1];
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if (os_read_file_name (new_name, command_name, FILE_PLAYBACK)) {
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strcpy (command_name, new_name);
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if ((pfp = fopen (new_name, "rt")) != NULL) {
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set_more_prompts (read_yes_or_no ("Do you want MORE prompts"));
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istream_replay = TRUE;
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} else print_string ("Cannot open file\n");
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}
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}/* replay_open */
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/*
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* replay_close
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*
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* Stop playback of commands.
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*
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*/
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void replay_close (void)
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{
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set_more_prompts (TRUE);
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fclose (pfp); istream_replay = FALSE;
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}/* replay_close */
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/*
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* replay_code
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*
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* Helper function for replay_key and replay_line.
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*
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*/
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static int replay_code (void)
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{
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int c;
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if ((c = fgetc (pfp)) == '[') {
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int c2;
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c = 0;
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while ((c2 = fgetc (pfp)) != EOF && c2 >= '0' && c2 <= '9')
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c = 10 * c + c2 - '0';
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return (c2 == ']') ? c : EOF;
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} else return c;
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}/* replay_code */
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/*
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* replay_char
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*
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* Read a character from the command file.
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*
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*/
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static zchar replay_char (void)
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{
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int c;
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if ((c = replay_code ()) != EOF) {
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if (c != '\n')
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if (c < 1000) {
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c = translate_from_zscii (c);
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if (c == ZC_SINGLE_CLICK || c == ZC_DOUBLE_CLICK) {
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mouse_x = replay_code ();
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mouse_y = replay_code ();
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}
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return c;
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} else return ZC_HKEY_MIN + c - 1000;
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ungetc ('\n', pfp);
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return ZC_RETURN;
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} else return ZC_BAD;
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}/* replay_char */
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/*
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* replay_read_key
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*
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* Read a keystroke from a command file.
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*
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*/
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zchar replay_read_key (void)
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{
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zchar key;
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key = replay_char ();
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if (fgetc (pfp) != '\n') {
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replay_close ();
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return ZC_BAD;
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} else return key;
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}/* replay_read_key */
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/*
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* replay_read_input
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*
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* Read a line of input from a command file.
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*
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*/
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zchar replay_read_input (zchar *buf)
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{
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zchar c;
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for (;;) {
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c = replay_char ();
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if (c == ZC_BAD || is_terminator (c))
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break;
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*buf++ = c;
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}
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*buf = 0;
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if (fgetc (pfp) != '\n') {
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replay_close ();
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return ZC_BAD;
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} else return c;
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}/* replay_read_input */
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