diff --git a/src/files.c b/src/files.c
--- a/src/files.c
+++ /dev/null
@@ -1,224 +0,0 @@
-/* Copyright (C) 1996-1997 Aleksey Volynskov
- * Copyright (C) 2011 Rambo
- * Copyright (C) 2020 SovietPony
- *
- * 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, version 3 of the License ONLY.
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-#include "glob.h"
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <assert.h>
-#include "files.h"
-#include "error.h"
-
-#include "map.h" // MAP_load
-#include "save.h" // SAVE_getname
-
-#ifdef UNIX
-# include <sys/stat.h>
-#endif
-
-#include "common/streams.h"
-#include "common/files.h"
-#include "common/wadres.h"
-#include "common/cp866.h"
-
-int d_start, d_end;
-
-char savname[SAVE_MAX][SAVE_MAXLEN];
-char savok[SAVE_MAX];
-
-static int m_start, m_end;
-static int s_start, s_end;
-
-void F_startup (void) {
- logo("F_startup: setup file system\n");
-}
-
-void F_addwad (const char *fn) {
- static int i = 0;
- static FILE_Stream wadh[MAX_WADS];
- if (i < MAX_WADS) {
- if (FILE_Open(&wadh[i], fn, "rb")) {
- if (WADRES_addwad(&wadh[i].base)) {
- i += 1;
- } else {
- ERR_failinit("Invalid WAD %s", fn);
- }
- } else {
- ERR_failinit("Unable to add WAD %s", fn);
- }
- } else {
- ERR_failinit("Too many wads");
- }
-}
-
-void F_initwads (void) {
- if (!WADRES_rehash()) {
- ERR_failinit("F_initwads: failed rehash");
- }
-}
-
-void F_allocres (void) {
- d_start = F_getresid("D_START");
- d_end = F_getresid("D_END");
- m_start = F_getresid("M_START");
- m_end = F_getresid("M_END");
- s_start = F_getresid("S_START");
- s_end = F_getresid("S_END");
-}
-
-void F_loadres (int r, void *p) {
- WADRES_getdata(r, p);
-}
-
-int F_findres (const char n[8]) {
- return WADRES_find(n);
-}
-
-int F_getresid (const char n[8]) {
- int i = F_findres(n);
- if (i == -1) {
- ERR_fatal("F_getresid: resource %.8s not found", n);
- }
- return i;
-}
-
-void F_getresname (char n[8], int r) {
- WADRES_getname(r, n);
-}
-
-int F_getsprid (const char n[4], int s, int d, char *dir) {
- s += 'A';
- d += '0';
- for (int i = s_start + 1; i < s_end; i++) {
- char wn[8];
- byte a, b;
- WADRES_getname(i, wn);
- if (cp866_strncasecmp(wn, n, 4) == 0 && (wn[4] == s || wn[6] == s)) {
- a = wn[4] == s ? wn[5] : 0;
- b = wn[6] == s ? wn[7] : 0;
- if (a == '0' || b == '0' || a == d || b == d) {
- if (dir != NULL) {
- *dir = (a != '0' && b == '0') || (a != d && b == d);
- }
- return i;
- }
- }
- }
- ERR_fatal("F_getsprid: image %.4s%c%c not found", n, s, d);
- return -1;
-}
-
-int F_getreslen (int r) {
- return WADRES_getsize(r);
-}
-
-void F_nextmus (char *s) {
- int i = F_findres(s);
- if (i <= m_start || i >= m_end) {
- i = m_start;
- }
- for (++i; ; ++i) {
- if (i >= m_end) {
- i = m_start + 1;
- }
- WADRES_getname(i, s);
- if (cp866_strcasecmp(s, "MENU") == 0 ||
- cp866_strcasecmp(s, "INTERMUS") == 0 ||
- cp866_strcasecmp(s, "\x8a\x8e\x8d\x85\x96\x0") == 0) {
- continue;
- }
- if (cp866_strncasecmp(s, "DMI", 3) != 0) {
- break;
- }
- }
-}
-
-void F_randmus (char *s) {
- int i;
- int n = myrand(10);
- for (i = 0; i < n; i++) {
- F_nextmus(s);
- }
-}
-
-void F_loadmap (char n[8]) {
- int id = F_getresid(n);
- if (id != -1) {
- Stream *r = WADRES_getbasereader(id);
- long offset = WADRES_getoffset(id);
- stream_setpos(r, offset);
- if (!MAP_load(r)) {
- ERR_fatal("Failed to load map");
- }
- } else {
- ERR_fatal("Failed to load map: resource %.8s not found", n);
- }
-}
-
-static char *getsavfpname (int n, int ro) {
- static char fn[] = "savgame0.dat";
- static char p[100];
- fn[7] = n + '0';
-#ifdef UNIX
- char *e = getenv("HOME");
- strncpy(p, e, 60);
- strcat(p, "/.flatwaifu");
- if (!ro) {
- mkdir(p, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
- }
- strcat(p, "/");
- strcat(p, fn);
-#else
- strcpy(p, fn);
-#endif
- return p;
-}
-
-void F_getsavnames (void) {
- FILE_Stream rd;
- for (int i = 0; i < SAVE_MAX; ++i) {
- savok[i] = 0;
- char *p = getsavfpname(i, 1);
- if (FILE_Open(&rd, p, "rb")) {
- savok[i] = SAVE_getname(&rd.base, savname[i]);
- FILE_Close(&rd);
- }
- if (!savok[i]) {
- memset(savname[i], 0, 24);
- } else {
- savname[i][23] = 0;
- }
- }
-}
-
-void F_loadgame (int n) {
- FILE_Stream rd;
- char *p = getsavfpname(n, 1);
- if (FILE_Open(&rd, p, "rb")) {
- SAVE_load(&rd.base);
- FILE_Close(&rd);
- }
-}
-
-void F_savegame (int n, char *s) {
- FILE_Stream wr;
- char *p = getsavfpname(n, 0);
- if (FILE_Open(&wr, p, "wb")) {
- SAVE_save(&wr.base, s);
- FILE_Close(&wr);
- }
-}