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#include "AppHdr.h"
#include <wctype.h>
#include "ng-input.h"
#include "cio.h"
#include "end.h"
#include "files.h"
#include "format.h"
#include "libutil.h"
#include "options.h"
#include "strings.h"
#include "unicode.h"
#include "version.h"
extern string init_file_error; // defined in main.cc
// Eventually, this should be something more grand. {dlb}
void opening_screen()
{
string msg =
"<yellow>Hello, welcome to " CRAWL " " + string(Version::Long) + "!</yellow>\n"
"<brown>(c) Copyright 1997-2002 Linley Henzell, "
"2002-2014 Crawl DevTeam\n"
"Read the instructions for legal details."
"</brown> " ;
const bool init_found = init_file_error.empty();
if (!init_found)
msg += "<lightred>(No init file ";
else
msg += "<lightgrey>(Read options from ";
if (init_found)
{
#ifdef DGAMELAUNCH
// For dgl installs, show only the last segment of the .crawlrc
// file name so that we don't leak details of the directory
// structure to (untrusted) users.
msg += get_base_filename(Options.filename);
#else
msg += Options.filename;
#endif
msg += ".)";
}
else
{
msg += init_file_error;
msg += ", using defaults.)";
}
msg += "\n";
formatted_string::parse_string(msg).display();
textcolor(LIGHTGREY);
}
static void _show_name_prompt(int where)
{
cgotoxy(1, where);
textcolor(CYAN);
cprintf("\nWhat is your name today? ");
textcolor(LIGHTGREY);
}
bool is_good_name(const string& name, bool blankOK, bool verbose)
{
// verification begins here {dlb}:
if (name.empty())
{
if (blankOK)
return true;
if (verbose)
cprintf("\nThat's a silly name!\n");
return false;
}
return validate_player_name(name, verbose);
}
static bool _read_player_name(string &name)
{
const int name_x = wherex(), name_y = wherey();
char buf[kNameLen + 1]; // FIXME: make line_reader handle widths
// XXX: Prompt displays garbage otherwise, but don't really know why.
// Other places don't do this. --rob
buf[0] = '\0';
line_reader reader(buf, sizeof(buf));
while (true)
{
cgotoxy(name_x, name_y);
if (name_x <= 80)
cprintf("%-*s", 80 - name_x + 1, "");
cgotoxy(name_x, name_y);
int ret = reader.read_line(false);
if (!ret)
{
name = buf;
return true;
}
if (key_is_escape(ret))
return false;
// Go back and prompt the user.
}
}
// Reads a valid name from the player, writing it to ng.name.
void enter_player_name(newgame_def *ng)
{
int prompt_start = wherey();
do
{
// Prompt for a new name if current one unsatisfactory {dlb}:
_show_name_prompt(prompt_start);
// If the player wants out, we bail out.
if (!_read_player_name(ng->name))
end(0);
trim_string(ng->name);
}
while (!is_good_name(ng->name, false, true));
}
bool validate_player_name(const string &name, bool verbose)
{
#if defined(TARGET_OS_WINDOWS)
// Quick check for CON -- blows up real good under DOS/Windows.
if (strcasecmp(name.c_str(), "con") == 0
|| strcasecmp(name.c_str(), "nul") == 0
|| strcasecmp(name.c_str(), "prn") == 0
|| strnicmp(name.c_str(), "LPT", 3) == 0)
{
if (verbose)
cprintf("\nSorry, that name gives your OS a headache.\n");
return false;
}
#endif
if (strwidth(name) > kNameLen)
{
if (verbose)
cprintf("\nThat name is too long.\n");
return false;
}
ucs_t c;
for (const char *str = name.c_str(); int l = utf8towc(&c, str); str += l)
{
// The technical reasons are gone, but enforcing some sanity doesn't
// hurt.
if (!iswalnum(c) && c != '-' && c != '.' && c != '_' && c != ' ')
{
if (verbose)
{
cprintf("\n"
"Alpha-numerics, spaces, dashes, periods "
"and underscores only, please."
"\n");
}
return false;
}
}
return true;
}
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