catgirl/ui.c

/* Copyright (C) 2020  C. McEnroe <june@causal.agency>
 *
 * This program 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 * Additional permission under GNU GPL version 3 section 7:
 *
 * If you modify this Program, or any covered work, by linking or
 * combining it with OpenSSL (or a modified version of that library),
 * containing parts covered by the terms of the OpenSSL License and the
 * original SSLeay license, the licensors of this Program grant you
 * additional permission to convey the resulting work. Corresponding
 * Source for a non-source form of such a combination shall include the
 * source code for the parts of OpenSSL used as well as that of the
 * covered work.
 */

#define _XOPEN_SOURCE_EXTENDED

#include <assert.h>
#include <ctype.h>
#include <curses.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/file.h>
#include <sysexits.h>
#include <term.h>
#include <termios.h>
#include <time.h>
#include <unistd.h>
#include <wchar.h>
#include <wctype.h>

#ifdef __FreeBSD__
#include <capsicum_helpers.h>
#endif

#include "chat.h"
#include "edit.h"

// Annoying stuff from <term.h>:
#undef lines
#undef tab

#define BOTTOM (LINES - 1)
#define RIGHT (COLS - 1)
#define MAIN_LINES (LINES - StatusLines - InputLines)

WINDOW *uiStatus;
WINDOW *uiMain;
static WINDOW *input;

static short colorPairs;

static void colorInit(void) {
	start_color();
	use_default_colors();
	if (!COLORS) return;
	for (short pair = 0; pair < 16; ++pair) {
		init_pair(1 + pair, pair % COLORS, -1);
	}
	colorPairs = 17;
}

static attr_t colorAttr(short fg) {
	if (!COLORS) return (fg > 0 ? A_BOLD : A_NORMAL);
	if (fg != COLOR_BLACK && fg % COLORS == COLOR_BLACK) return A_BOLD;
	if (COLORS > 8) return A_NORMAL;
	return (fg / COLORS & 1 ? A_BOLD : A_NORMAL);
}

static short colorPair(short fg, short bg) {
	if (!COLORS) return 0;
	fg %= COLORS;
	bg %= COLORS;
	if (bg == -1 && fg < 16) return 1 + fg;
	for (short pair = 17; pair < colorPairs; ++pair) {
		short f, b;
		pair_content(pair, &f, &b);
		if (f == fg && b == bg) return pair;
	}
	init_pair(colorPairs, fg, bg);
	return colorPairs++;
}

#define ENUM_KEY \
	X(KeyCtrlLeft, "\33[1;5D", NULL) \
	X(KeyCtrlRight, "\33[1;5C", NULL) \
	X(KeyMeta0, "\0330", "\33)") \
	X(KeyMeta1, "\0331", "\33!") \
	X(KeyMeta2, "\0332", "\33@") \
	X(KeyMeta3, "\0333", "\33#") \
	X(KeyMeta4, "\0334", "\33$") \
	X(KeyMeta5, "\0335", "\33%") \
	X(KeyMeta6, "\0336", "\33^") \
	X(KeyMeta7, "\0337", "\33&") \
	X(KeyMeta8, "\0338", "\33*") \
	X(KeyMeta9, "\0339", "\33(") \
	X(KeyMetaA, "\33a", NULL) \
	X(KeyMetaB, "\33b", NULL) \
	X(KeyMetaD, "\33d", NULL) \
	X(KeyMetaF, "\33f", NULL) \
	X(KeyMetaL, "\33l", NULL) \
	X(KeyMetaM, "\33m", NULL) \
	X(KeyMetaN, "\33n", NULL) \
	X(KeyMetaP, "\33p", NULL) \
	X(KeyMetaQ, "\33q", NULL) \
	X(KeyMetaS, "\33s", NULL) \
	X(KeyMetaT, "\33t", NULL) \
	X(KeyMetaU, "\33u", NULL) \
	X(KeyMetaV, "\33v", NULL) \
	X(KeyMetaEnter, "\33\r", "\33\n") \
	X(KeyMetaGt, "\33>", "\33.") \
	X(KeyMetaLt, "\33<", "\33,") \
	X(KeyMetaEqual, "\33=", NULL) \
	X(KeyMetaMinus, "\33-", "\33_") \
	X(KeyMetaPlus, "\33+", NULL) \
	X(KeyMetaSlash, "\33/", "\33?") \
	X(KeyFocusIn, "\33[I", NULL) \
	X(KeyFocusOut, "\33[O", NULL) \
	X(KeyPasteOn, "\33[200~", NULL) \
	X(KeyPasteOff, "\33[201~", NULL) \
	X(KeyPasteManual, "\32p", "\32\20")

enum {
	KeyMax = KEY_MAX,
#define X(id, seq, alt) id,
	ENUM_KEY
#undef X
};

// XXX: Assuming terminals will be fine with these even if they're unsupported,
// since they're "private" modes.
static const char *FocusMode[2] = { "\33[?1004l", "\33[?1004h" };
static const char *PasteMode[2] = { "\33[?2004l", "\33[?2004h" };

static void errExit(void) {
	putp(FocusMode[false]);
	putp(PasteMode[false]);
	reset_shell_mode();
}

void uiInitEarly(void) {
	initscr();
	cbreak();
	noecho();
	colorInit();
	atexit(errExit);

#ifndef A_ITALIC
#define A_ITALIC A_BLINK
	// Force ncurses to use individual enter_attr_mode strings:
	set_attributes = NULL;
	enter_blink_mode = enter_italics_mode;
#endif

	if (!to_status_line && !strncmp(termname(), "xterm", 5)) {
		to_status_line = "\33]2;";
		from_status_line = "\7";
	}

#define X(id, seq, alt) define_key(seq, id); if (alt) define_key(alt, id);
	ENUM_KEY
#undef X

	uiStatus = newwin(StatusLines, COLS, 0, 0);
	if (!uiStatus) err(EX_OSERR, "newwin");

	uiMain = newwin(MAIN_LINES, COLS, StatusLines, 0);
	if (!uiMain) err(EX_OSERR, "newwin");

	input = newpad(InputLines, InputCols);
	if (!input) err(EX_OSERR, "newpad");
	keypad(input, true);
	nodelay(input, true);

	windowInit();
	uiShow();
}

// Avoid disabling VINTR until main loop.
void uiInitLate(void) {
	struct termios term;
	int error = tcgetattr(STDOUT_FILENO, &term);
	if (error) err(EX_OSERR, "tcgetattr");

	// Gain use of C-q, C-s, C-c, C-z, C-y, C-v, C-o.
	term.c_iflag &= ~IXON;
	term.c_cc[VINTR] = _POSIX_VDISABLE;
	term.c_cc[VSUSP] = _POSIX_VDISABLE;
#ifdef VDSUSP
	term.c_cc[VDSUSP] = _POSIX_VDISABLE;
#endif
	term.c_cc[VLNEXT] = _POSIX_VDISABLE;
	term.c_cc[VDISCARD] = _POSIX_VDISABLE;

	error = tcsetattr(STDOUT_FILENO, TCSANOW, &term);
	if (error) err(EX_OSERR, "tcsetattr");

	def_prog_mode();
}

static bool hidden = true;
static bool waiting;

char uiTitle[TitleCap];
static char prevTitle[TitleCap];

void uiDraw(void) {
	if (hidden) return;
	wnoutrefresh(uiStatus);
	wnoutrefresh(uiMain);
	int y, x;
	getyx(input, y, x);
	pnoutrefresh(
		input,
		0, (x + 1 > RIGHT ? x + 1 - RIGHT : 0),
		LINES - InputLines, 0,
		BOTTOM, RIGHT
	);
	(void)y;
	doupdate();

	if (!to_status_line) return;
	if (!strcmp(uiTitle, prevTitle)) return;
	strcpy(prevTitle, uiTitle);
	putp(to_status_line);
	putp(uiTitle);
	putp(from_status_line);
	fflush(stdout);
}

static const short Colors[ColorCap] = {
	[Default]    = -1,
	[White]      = 8 + COLOR_WHITE,
	[Black]      = 0 + COLOR_BLACK,
	[Blue]       = 0 + COLOR_BLUE,
	[Green]      = 0 + COLOR_GREEN,
	[Red]        = 8 + COLOR_RED,
	[Brown]      = 0 + COLOR_RED,
	[Magenta]    = 0 + COLOR_MAGENTA,
	[Orange]     = 0 + COLOR_YELLOW,
	[Yellow]     = 8 + COLOR_YELLOW,
	[LightGreen] = 8 + COLOR_GREEN,
	[Cyan]       = 0 + COLOR_CYAN,
	[LightCyan]  = 8 + COLOR_CYAN,
	[LightBlue]  = 8 + COLOR_BLUE,
	[Pink]       = 8 + COLOR_MAGENTA,
	[Gray]       = 8 + COLOR_BLACK,
	[LightGray]  = 0 + COLOR_WHITE,
	52, 94, 100, 58, 22, 29, 23, 24, 17, 54, 53, 89,
	88, 130, 142, 64, 28, 35, 30, 25, 18, 91, 90, 125,
	124, 166, 184, 106, 34, 49, 37, 33, 19, 129, 127, 161,
	196, 208, 226, 154, 46, 86, 51, 75, 21, 171, 201, 198,
	203, 215, 227, 191, 83, 122, 87, 111, 63, 177, 207, 205,
	217, 223, 229, 193, 157, 158, 159, 153, 147, 183, 219, 212,
	16, 233, 235, 237, 239, 241, 244, 247, 250, 254, 231,
};

uint uiAttr(struct Style style) {
	attr_t attr = A_NORMAL;
	if (style.attr & Bold) attr |= A_BOLD;
	if (style.attr & Reverse) attr |= A_REVERSE;
	if (style.attr & Italic) attr |= A_ITALIC;
	if (style.attr & Underline) attr |= A_UNDERLINE;
	return attr | colorAttr(Colors[style.fg]);
}

static bool spoilerReveal;

short uiPair(struct Style style) {
	if (spoilerReveal && style.fg == style.bg) {
		return colorPair(Colors[Default], Colors[style.bg]);
	}
	return colorPair(Colors[style.fg], Colors[style.bg]);
}

void uiShow(void) {
	if (!hidden) return;
	prevTitle[0] = '\0';
	putp(FocusMode[true]);
	putp(PasteMode[true]);
	fflush(stdout);
	hidden = false;
	windowUnmark();
}

void uiHide(void) {
	if (hidden) return;
	windowMark();
	hidden = true;
	putp(FocusMode[false]);
	putp(PasteMode[false]);
	endwin();
}

void uiWait(void) {
	waiting = true;
}

struct Util uiNotifyUtil;
static void notify(uint id, const char *str) {
	if (self.restricted) return;
	if (!uiNotifyUtil.argc) return;

	char buf[1024];
	styleStrip(buf, sizeof(buf), str);

	struct Util util = uiNotifyUtil;
	utilPush(&util, idNames[id]);
	utilPush(&util, buf);

	pid_t pid = fork();
	if (pid < 0) err(EX_OSERR, "fork");
	if (pid) return;

	setsid();
	close(STDIN_FILENO);
	dup2(utilPipe[1], STDOUT_FILENO);
	dup2(utilPipe[1], STDERR_FILENO);
	execvp(util.argv[0], (char *const *)util.argv);
	warn("%s", util.argv[0]);
	_exit(EX_CONFIG);
}

void uiWrite(uint id, enum Heat heat, const time_t *src, const char *str) {
	bool note = windowWrite(id, heat, src, str);
	if (note) {
		beep();
		notify(id, str);
	}
}

void uiFormat(
	uint id, enum Heat heat, const time_t *time, const char *format, ...
) {
	char buf[1024];
	va_list ap;
	va_start(ap, format);
	int len = vsnprintf(buf, sizeof(buf), format, ap);
	va_end(ap);
	assert((size_t)len < sizeof(buf));
	uiWrite(id, heat, time, buf);
}

static void resize(void) {
	wclear(uiMain);
	wresize(uiMain, MAIN_LINES, COLS);
	windowResize();
}

static void inputAdd(struct Style reset, struct Style *style, const char *str) {
	while (*str) {
		const char *code = str;
		size_t len = styleParse(style, &str);
		wattr_set(input, A_BOLD | A_REVERSE, 0, NULL);
		switch (*code) {
			break; case B: waddch(input, 'B');
			break; case C: waddch(input, 'C');
			break; case O: waddch(input, 'O');
			break; case R: waddch(input, 'R');
			break; case I: waddch(input, 'I');
			break; case U: waddch(input, 'U');
			break; case '\n': waddch(input, 'N');
		}
		if (str - code > 1) waddnstr(input, &code[1], str - &code[1]);
		if (str[0] == '\n') {
			*style = reset;
			str++;
			len--;
		}
		size_t nl = strcspn(str, "\n");
		if (nl < len) len = nl;
		wattr_set(input, uiAttr(*style), uiPair(*style), NULL);
		waddnstr(input, str, len);
		str += len;
	}
}

static char *inputStop(
	struct Style reset, struct Style *style,
	const char *str, char *stop
) {
	char ch = *stop;
	*stop = '\0';
	inputAdd(reset, style, str);
	*stop = ch;
	return stop;
}

static struct Edit edit;

void uiUpdate(void) {
	char *buf = editString(&edit);
	uint id = windowID();

	const char *prefix = "";
	const char *prompt = self.nick;
	const char *suffix = "";
	const char *skip = buf;
	struct Style stylePrompt = { .fg = self.color, .bg = Default };
	struct Style styleInput = StyleDefault;

	size_t split = commandWillSplit(id, buf);
	const char *privmsg = commandIsPrivmsg(id, buf);
	const char *notice = commandIsNotice(id, buf);
	const char *action = commandIsAction(id, buf);
	if (privmsg) {
		prefix = "<"; suffix = "> ";
		skip = privmsg;
	} else if (notice) {
		prefix = "-"; suffix = "- ";
		styleInput.fg = LightGray;
		skip = notice;
	} else if (action) {
		prefix = "* "; suffix = " ";
		stylePrompt.attr |= Italic;
		styleInput.attr |= Italic;
		skip = action;
	} else if (id == Debug && buf[0] != '/') {
		prompt = "<< ";
		stylePrompt.fg = Gray;
	} else {
		prompt = "";
	}
	if (skip > &buf[edit.mbs.pos]) {
		prefix = prompt = suffix = "";
		skip = buf;
	}

	int y, x;
	wmove(input, 0, 0);
	if (windowTimeEnable() && id != Network) {
		whline(input, ' ', windowTime.width);
		wmove(input, 0, windowTime.width);
	}
	wattr_set(input, uiAttr(stylePrompt), uiPair(stylePrompt), NULL);
	waddstr(input, prefix);
	waddstr(input, prompt);
	waddstr(input, suffix);
	getyx(input, y, x);

	int pos;
	struct Style style = styleInput;
	inputStop(styleInput, &style, skip, &buf[edit.mbs.pos]);
	getyx(input, y, pos);
	wmove(input, y, x);

	style = styleInput;
	const char *ptr = skip;
	if (split) {
		ptr = inputStop(styleInput, &style, ptr, &buf[split]);
		style = styleInput;
		style.bg = Red;
	}
	inputAdd(styleInput, &style, ptr);
	wclrtoeol(input);
	wmove(input, y, pos);
}

static void inputEnter(void) {
	command(windowID(), editString(&edit));
	editFn(&edit, EditClear);
}

static void keyCode(int code) {
	switch (code) {
		break; case KEY_RESIZE:  resize();
		break; case KeyFocusIn:  windowUnmark();
		break; case KeyFocusOut: windowMark();

		break; case KeyMetaEnter: editInsert(&edit, L'\n');
		break; case KeyMetaEqual: windowToggleMute();
		break; case KeyMetaMinus: windowToggleThresh(-1);
		break; case KeyMetaPlus:  windowToggleThresh(+1);
		break; case KeyMetaSlash: windowSwap();

		break; case KeyMetaGt: windowScroll(ScrollAll, -1);
		break; case KeyMetaLt: windowScroll(ScrollAll, +1);

		break; case KeyMeta0 ... KeyMeta9: windowShow(code - KeyMeta0);
		break; case KeyMetaA: windowAuto();
		break; case KeyMetaB: editFn(&edit, EditPrevWord);
		break; case KeyMetaD: editFn(&edit, EditDeleteNextWord);
		break; case KeyMetaF: editFn(&edit, EditNextWord);
		break; case KeyMetaL: windowBare();
		break; case KeyMetaM: uiWrite(windowID(), Warm, NULL, "");
		break; case KeyMetaN: windowScroll(ScrollHot, +1);
		break; case KeyMetaP: windowScroll(ScrollHot, -1);
		break; case KeyMetaQ: editFn(&edit, EditCollapse);
		break; case KeyMetaS: spoilerReveal ^= true; windowUpdate();
		break; case KeyMetaT: windowToggleTime();
		break; case KeyMetaU: windowScroll(ScrollUnread, 0);
		break; case KeyMetaV: windowScroll(ScrollPage, +1);

		break; case KeyCtrlLeft: editFn(&edit, EditPrevWord);
		break; case KeyCtrlRight: editFn(&edit, EditNextWord);

		break; case KEY_BACKSPACE: editFn(&edit, EditDeletePrev);
		break; case KEY_DC: editFn(&edit, EditDeleteNext);
		break; case KEY_DOWN: windowScroll(ScrollOne, -1);
		break; case KEY_END: editFn(&edit, EditTail);
		break; case KEY_ENTER: inputEnter();
		break; case KEY_HOME: editFn(&edit, EditHead);
		break; case KEY_LEFT: editFn(&edit, EditPrev);
		break; case KEY_NPAGE: windowScroll(ScrollPage, -1);
		break; case KEY_PPAGE: windowScroll(ScrollPage, +1);
		break; case KEY_RIGHT: editFn(&edit, EditNext);
		break; case KEY_SEND: windowScroll(ScrollAll, -1);
		break; case KEY_SHOME: windowScroll(ScrollAll, +1);
		break; case KEY_UP: windowScroll(ScrollOne, +1);
	}
}

static void keyCtrl(wchar_t ch) {
	switch (ch ^ L'@') {
		break; case L'?': editFn(&edit, EditDeletePrev);
		break; case L'A': editFn(&edit, EditHead);
		break; case L'B': editFn(&edit, EditPrev);
		break; case L'C': raise(SIGINT);
		break; case L'D': editFn(&edit, EditDeleteNext);
		break; case L'E': editFn(&edit, EditTail);
		break; case L'F': editFn(&edit, EditNext);
		break; case L'H': editFn(&edit, EditDeletePrev);
		break; case L'J': inputEnter();
		break; case L'K': editFn(&edit, EditDeleteTail);
		break; case L'L': clearok(curscr, true);
		break; case L'N': windowShow(windowNum() + 1);
		break; case L'P': windowShow(windowNum() - 1);
		break; case L'R': windowSearch(editString(&edit), -1);
		break; case L'S': windowSearch(editString(&edit), +1);
		break; case L'T': editFn(&edit, EditTranspose);
		break; case L'U': editFn(&edit, EditDeleteHead);
		break; case L'V': windowScroll(ScrollPage, -1);
		break; case L'W': editFn(&edit, EditDeletePrevWord);
		break; case L'Y': editFn(&edit, EditPaste);
	}
}

static void keyStyle(wchar_t ch) {
	if (iswcntrl(ch)) ch = towlower(ch ^ L'@');
	char buf[8] = {0};
	enum Color color = Default;
	switch (ch) {
		break; case L'A': color = Gray;
		break; case L'B': color = Blue;
		break; case L'C': color = Cyan;
		break; case L'G': color = Green;
		break; case L'K': color = Black;
		break; case L'M': color = Magenta;
		break; case L'N': color = Brown;
		break; case L'O': color = Orange;
		break; case L'P': color = Pink;
		break; case L'R': color = Red;
		break; case L'W': color = White;
		break; case L'Y': color = Yellow;
		break; case L'b': buf[0] = B;
		break; case L'c': buf[0] = C;
		break; case L'i': buf[0] = I;
		break; case L'o': buf[0] = O;
		break; case L'r': buf[0] = R;
		break; case L's': {
			snprintf(buf, sizeof(buf), "%c%02d,%02d", C, Black, Black);
		}
		break; case L'u': buf[0] = U;
	}
	if (color != Default) {
		snprintf(buf, sizeof(buf), "%c%02d", C, color);
	}
	for (char *ch = buf; *ch; ++ch) {
		editInsert(&edit, *ch);
	}
}

void uiRead(void) {
	if (hidden) {
		if (waiting) {
			uiShow();
			flushinp();
			waiting = false;
		} else {
			return;
		}
	}

	wint_t ch;
	static bool paste, style, literal;
	for (int ret; ERR != (ret = wget_wch(input, &ch));) {
		bool spr = spoilerReveal;
		if (ret == KEY_CODE_YES && ch == KeyPasteOn) {
			paste = true;
		} else if (ret == KEY_CODE_YES && ch == KeyPasteOff) {
			paste = false;
		} else if (ret == KEY_CODE_YES && ch == KeyPasteManual) {
			paste ^= true;
		} else if (paste || literal) {
			editInsert(&edit, ch);
		} else if (ret == KEY_CODE_YES) {
			keyCode(ch);
		} else if (ch == (L'Z' ^ L'@')) {
			style = true;
			continue;
		} else if (style && ch == (L'V' ^ L'@')) {
			literal = true;
			continue;
		} else if (style) {
			keyStyle(ch);
		} else if (iswcntrl(ch)) {
			keyCtrl(ch);
		} else {
			editInsert(&edit, ch);
		}
		style = false;
		literal = false;
		if (spr) {
			spoilerReveal = false;
			windowUpdate();
		}
	}
	uiUpdate();
}

static FILE *saveFile;

static const uint64_t Signatures[] = {
	0x6C72696774616301, // no heat, unread, unreadWarm
	0x6C72696774616302, // no self.pos
	0x6C72696774616303, // no buffer line heat
	0x6C72696774616304, // no mute
	0x6C72696774616305, // no URLs
	0x6C72696774616306, // no thresh
	0x6C72696774616307, // no window time
	0x6C72696774616308,
};

static size_t signatureVersion(uint64_t signature) {
	for (size_t i = 0; i < ARRAY_LEN(Signatures); ++i) {
		if (signature == Signatures[i]) return i;
	}
	errx(EX_DATAERR, "unknown file signature %" PRIX64, signature);
}

static int writeUint64(FILE *file, uint64_t u) {
	return (fwrite(&u, sizeof(u), 1, file) ? 0 : -1);
}

int uiSave(void) {
	return 0
		|| ftruncate(fileno(saveFile), 0)
		|| writeUint64(saveFile, Signatures[7])
		|| writeUint64(saveFile, self.pos)
		|| windowSave(saveFile)
		|| urlSave(saveFile)
		|| fclose(saveFile);
}

static uint64_t readUint64(FILE *file) {
	uint64_t u;
	fread(&u, sizeof(u), 1, file);
	if (ferror(file)) err(EX_IOERR, "fread");
	if (feof(file)) errx(EX_DATAERR, "unexpected eof");
	return u;
}

void uiLoad(const char *name) {
	int error;
	saveFile = dataOpen(name, "a+e");
	if (!saveFile) exit(EX_CANTCREAT);
	rewind(saveFile);

#ifdef __FreeBSD__
	cap_rights_t rights;
	cap_rights_init(&rights, CAP_READ, CAP_WRITE, CAP_FLOCK, CAP_FTRUNCATE);
	error = caph_rights_limit(fileno(saveFile), &rights);
	if (error) err(EX_OSERR, "cap_rights_limit");
#endif

	error = flock(fileno(saveFile), LOCK_EX | LOCK_NB);
	if (error && errno == EWOULDBLOCK) {
		errx(EX_CANTCREAT, "%s: save file in use", name);
	}

	time_t signature;
	fread(&signature, sizeof(signature), 1, saveFile);
	if (ferror(saveFile)) err(EX_IOERR, "fread");
	if (feof(saveFile)) {
		return;
	}
	size_t version = signatureVersion(signature);

	if (version > 1) {
		self.pos = readUint64(saveFile);
	}
	windowLoad(saveFile, version);
	urlLoad(saveFile, version);
}