/* vi: set ts=2:
 *
 *	Eressea PB(E)M host Copyright (C) 1998-2003
 *      Christian Schlittchen (corwin@amber.kn-bremen.de)
 *      Katja Zedel (katze@felidae.kn-bremen.de)
 *      Henning Peters (faroul@beyond.kn-bremen.de)
 *      Enno Rehling (enno@eressea-pbem.de)
 *      Ingo Wilken (Ingo.Wilken@informatik.uni-oldenburg.de)
 *
 *  based on:
 *
 * Atlantis v1.0  13 September 1993 Copyright 1993 by Russell Wallace
 * Atlantis v1.7                    Copyright 1996 by Alex Schröder
 *
 * This program may not be used, modified or distributed without
 * prior permission by the authors of Eressea.
 * This program may not be sold or used commercially without prior written
 * permission from the authors.
 */

#include <config.h>
#include "eressea.h"
#include "save.h"

#include "faction.h"
#include "magic.h"
#include "item.h"
#include "unit.h"
#include "building.h"
#include "spell.h"
#include "race.h"
#include "attrib.h"
#include "plane.h"
#include "movement.h"
#include "alchemy.h"
#include "region.h"
#include "resources.h"
#include "unit.h"
#include "skill.h"
#include "message.h"
#include "objtypes.h"
#include "border.h"
#include "karma.h"
#include "ship.h"
#include "pathfinder.h"
#include "group.h"

#ifdef USE_UGROUPS
#include "ugroup.h"
#include <attributes/ugroup.h>
#endif

/* modules include */
#ifdef ALLIANCES
# include <modules/alliance.h>
#endif

/* attributes includes */
#include <attributes/key.h>

/* util includes */
#include <attrib.h>
#include <base36.h>
#include <event.h>
#include <resolve.h>
#include <sql.h>
#include <umlaut.h>

/* libc includes */
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <assert.h>

#define xisdigit(c)     (((c) >= '0' && (c) <= '9') || (c) == '-')
#define COMMENT_CHAR    ';'

#define ESCAPE_FIX

int minfaction = 0;
const char * g_datadir;
/* imported symbols */
extern int cmsg[MAX_MSG][ML_MAX];
extern int quiet;
extern int dice_rand(const char *s);
static region * current_region;

int firstx = 0, firsty = 0;

#if RESOURCE_CONVERSION
int laen_read(attrib * a, FILE * F)
{
	int laen;
	fscanf(F, "%d", &laen);
	read_laen(current_region, laen);
	return AT_READ_FAIL;
}
#endif

char *
rns(FILE * f, char *c, size_t size)
{
	char * s = c;
	do {
		*s = (char) getc(f);
	} while (*s!='"');

	for (;;) {
		*s = (char) getc(f);
		if (*s=='"') break;
		if (s<c+size) ++s;
	}
	*s = 0;
	return c;
}

extern unsigned int __at_hashkey(const char* s);

FILE *
cfopen(const char *filename, const char *mode)
{
	FILE * F = fopen(filename, mode);

	if (F == 0) {
		perror(filename);
		return NULL;
	}
	setvbuf(F, 0, _IOFBF, 32 * 1024);	/* 32 kb buffer size */
	return F;
}

/* ------------------------------------------------------------- */

/* Dummy-Funktion für die Kompatibilität */

#define rid(F) ((global.data_version<BASE36_VERSION)?ri(F):ri36(F))

int nextc;

#ifdef OLD_RC
void
rc(FILE * F)
{
	nextc = getc(F);
}

#else
#define rc(F) (nextc = getc(F))
#endif

#undef CONVERT_DBLINK
#ifdef CONVERT_DBLINK

typedef struct uniquenode {
	struct uniquenode * next;
	int id;
	faction * f;
} uniquenode;

#define HASHSIZE 2047
static uniquenode * uniquehash[HASHSIZE];

static faction *
uniquefaction(int id)
{
	uniquenode * node = uniquehash[id%HASHSIZE];
	while (node && node->id!=id) node=node->next;
	return node?node->f:NULL;
}

static void
addunique(int id, faction * f)
{
	uniquenode * fnode = calloc(1, sizeof(uniquenode));
	fnode->f = f;
	fnode->id = id;
	fnode->next = uniquehash[id%HASHSIZE];
	uniquehash[id%HASHSIZE] = fnode;
}

typedef struct mapnode {
	struct mapnode * next;
	int fno;
	int subscription;
} mapnode;

static mapnode * subscriptions[HASHSIZE];

void
convertunique(faction * f)
{
	int unique = f->subscription;
	static FILE * F = NULL;
	mapnode * mnode;
	addunique(unique, f);
	if (F==NULL) {
		static char zText[MAX_PATH];
		strcat(strcpy(zText, basepath()), "/subscriptions");
		F = fopen(zText, "r");
		if (F==NULL) {
			log_error(("could not open %s.\n", zText));
			abort();
		}
		for (;;) {
			char zFaction[5];
			int subscription, fno;
			if (fscanf(F, "%d %s", &subscription, zFaction)<=0) break;
			mnode = calloc(1, sizeof(mapnode));
			fno = atoi36(zFaction);
			mnode->next = subscriptions[fno%HASHSIZE];
			mnode->fno = fno;
			mnode->subscription = subscription;
			subscriptions[fno%HASHSIZE] = mnode;
		}
	}
	mnode = subscriptions[f->no%HASHSIZE];
	while (mnode!=NULL && mnode->fno!=f->no) mnode = mnode->next;
	if (mnode) f->subscription = mnode->subscription;
	else {
		log_printf("%s %s %s %s\n",
				   itoa36(f->no), f->email, f->override, dbrace(f->race));
	}
}
#endif

void
rds(FILE * F, char **ds)
{
	static char buffer[DISPLAYSIZE + 1]; /*Platz für null-char nicht vergessen!*/
	char *s = &buffer[0];

	while (nextc != '"') {
		if (nextc == EOF) {
			*s = 0;
			fprintf(stderr, "Die Datei bricht vorzeitig ab.\n");
			abort();
		}
		assert(s <= buffer + DISPLAYSIZE + 1);
		rc(F);
	}

	rc(F);

	while (nextc != '"') {
		if (nextc == EOF) {
			assert(s <= buffer + DISPLAYSIZE + 1);
			*s = 0;
			fprintf(stderr, "Die Datei bricht vorzeitig ab.\n");
			abort();
		}
		*s++ = (char)nextc;
		if (s - buffer > DISPLAYSIZE) {
			assert(s <= buffer + DISPLAYSIZE + 1);
			*s = 0;
			printf("\nDer String %s wurde nicht terminiert.\n", s);
			exit(1);
		}
		rc(F);
	}

	rc(F);
	assert(s <= buffer + DISPLAYSIZE + 1);
	*s = 0;
	(*ds) = realloc(*ds, sizeof(char) * (strlen(buffer) + 1));

	strcpy(*ds, buffer);
}

#define rcf(F) (getc(F));
void
rsf(FILE * F, char *s, size_t len)
{
	char * begin = s;
	int nextc;
	do {
		nextc = rcf(F);
		if (nextc == EOF) {
			puts("Die Datei bricht vorzeitig ab.");
			abort();
		}
	} while (nextc != '"');

	for (;;) {
		nextc = rcf(F);
		if (nextc == '"') break;
		else if (nextc == EOF) {
			puts("Die Datei bricht vorzeitig ab.");
			abort();
		}
		if (s-begin<(int)len-1)
			*s++ = (char)nextc;
	}
	*s = 0;
}

static void
rs(FILE * F, char *s)
{
	boolean apos = false;
	while (isspace(nextc)) rc(F);
	if (nextc=='"') {
		apos=true;
		rc(F);
	}
	for (;;) {
		if (nextc=='"') {
			rc(F);
			break;
		} else if (!apos && isspace(nextc)) break;
		*s++ = (char)nextc;
		rc(F);
	}
	*s = 0;
}

static int
ri(FILE * F)
{
	int i = 0, vz = 1;

	while (!xisdigit(nextc)) {
		if (nextc == EOF) {
			puts("Die Datei bricht vorzeitig ab.");
			abort();
		}
		rc(F);
	}

	while (xisdigit(nextc)) {
		if (nextc == '-')
			vz = -1;
		else
			i = 10 * i + (nextc - '0');
		rc(F);
	}

	return i * vz;
}

static int
ri36(FILE * F)
{
	char buf[64];
	int i = 0;
	rc(F);
	while (!isalnum(nextc)) rc(F);
	while (isalnum(nextc)) {
		buf[i++]=(char)nextc;
		rc(F);
	}
	buf[i]=0;
	i = atoi36(buf);
	return i;
}

#define MAXLINE 4096*16
char *
getbuf(FILE * F)
{
	char lbuf[MAXLINE];
	boolean cont = false;
	boolean quote = false;
	boolean comment = false;
	char * cp = buf;

	lbuf[MAXLINE-1] = '@';

	do {
		boolean eatwhite = true;
		boolean start = true;
		unsigned char * end;
		unsigned char * bp = (unsigned char * )fgets(lbuf, MAXLINE, F);

		comment = (boolean)(comment && cont);

		if (!bp) return NULL;

		end = bp + strlen((const char *)bp);
		if (*(end-1)=='\n') *(--end) = 0;
		else {
			while (bp && !lbuf[MAXLINE-1] && lbuf[MAXLINE-2]!='\n') {
				/* wenn die zeile länger als erlaubt war,
				 * wird der rest weggeworfen: */
				bp = (unsigned char *)fgets(buf, 1024, F);
				comment = false;
			}
			bp = (unsigned char *)lbuf;
		}
		cont = false;
		while (cp!=buf+MAXLINE && (char*)bp!=lbuf+MAXLINE && *bp) {
			if (isspace(*bp)) {
				if (eatwhite)
				{
					do { ++bp; } while ((char*)bp!=lbuf+MAXLINE && isspace(*bp));
					if (!quote && !start && !comment) *(cp++)=' ';
				}
				else {
					do {
						if (!comment) *(cp++)=SPACE_REPLACEMENT;
						++bp;
					} while (cp!=buf+MAXLINE && (char*)bp!=lbuf+MAXLINE && isspace(*bp));
				}
			}
			else if (iscntrl(*bp)) {
				*(cp++) = '?';
				++bp;
			} else {
				cont = false;
				if (*bp==COMMENT_CHAR && !quote) {
/*					bp = max(end-1, bp+1); */
					comment=true;
				}
				else {
					if (*bp=='"') {
						quote = (boolean)!quote;
						eatwhite=true;
					}
					else if (*bp=='\\') cont=true;
					else {
						if (!comment) *(cp++) = *bp;
						eatwhite = (boolean)!quote;
					}
				}
				++bp;
			}
			start = false;
		}
		if (cp==buf+MAXLINE) {
			--cp;
		}
		*cp=0;
	} while (cont || cp==buf);
	return buf;
}

#ifdef REGIONOWNERS
static void
read_enemies(FILE * F, faction * f)
{
  if (global.data_version<REGIONOWNERS_VERSION) return;
  f->enemies = NULL;
  for (;;) {
    char zText[32];
    fscanf(F, "%s", zText);
    if (strcmp(zText, "end")==0) break;
    else {
      int fno = atoi36(zText);
      faction_list * flist = malloc(sizeof(faction_list));
      flist->next = f->enemies;
      f->enemies = flist;
      ur_add((void*)fno, (void**)&flist->data, resolve_faction);
    }
  }
}

static void
write_enemies(FILE * F, const faction_list * flist)
{
#if RELEASE_VERSION>=REGIONOWNERS_VERSION
  while (flist) {
    fprintf(F, "%s ", itoa36(flist->data->no));
  }
  fputs("end\n", F);
#endif
}
#endif

static unit *
unitorders(FILE * F, struct faction * f)
{
	int i;
	int p;
	unit *u;
	strlist *S, **SP;

	if (!f) return NULL;

	i = getid();
	u = findunitg(i, NULL);

	if (u && old_race(u->race) == RC_SPELL) return NULL;
	if (u && u->faction == f) {
		/* SP zeigt nun auf den Pointer zur ersten StrListe. Auf die
		 * erste StrListe wird mit u->orders gezeigt. Deswegen also
		 * &u->orders, denn SP zeigt nicht auf die selbe stelle wie
		 * u->orders, sondern auf die stelle VON u->orders! */

		freestrlist(u->orders);
		u->orders = 0;

		SP = &u->orders;

		for (;;) {

			/* Erst wenn wir sicher sind, dass kein Befehl
			 * eingegeben wurde, checken wir, ob nun eine neue
			 * Einheit oder ein neuer Spieler drankommt */

			if (!getbuf(F))
				break;

			if (igetkeyword(buf, u->faction->locale) == NOKEYWORD) {
				p = igetparam(buf, u->faction->locale);
				if (p == P_UNIT || p == P_FACTION || p == P_NEXT || p == P_GAMENAME)
					break;
			}
			if (buf[0]) {
				/* Nun wird eine StrListe S mit dem Inhalt buf2
				 * angelegt. S->next zeigt nirgends hin. */

				S = makestrlist(buf);

				/* Nun werden zwei Operationen ausgefuehrt
				 * (addlist2 ist ein #definiertes macro!):
				 * *SP = S       Der Pointer, auf den SP zeigte, zeigt nun auf S! Also
				 * entweder u->orders oder S(alt)->next zeigen nun auf das neue S!
				 *
				 * SP = &S->next SP zeigt nun auf den Pointer S->next. Nicht auf
				 * dieselbe Stelle wie S->next, sondern auf die Stelle VON S->next! */

				addlist2(SP, S);

				/* Und das letzte S->next darf natürlich nirgends mehr hinzeigen, es
				 * wird auf null gesetzt. Warum das nicht bei addlist2 getan wird, ist
				 * mir schleierhaft. So wie es jetzt implementiert ist, kann man es
				 * (hier auf alle Fälle) hinter addlist2 schreiben, oder auch nur am
				 * Ende einmal aufrufen - das wäre aber bei allen returns, und am ende
				 * des for (;;) blockes. Grmpf. Dann lieber hier, immer, und dafür
				 * sauberer... */

				*SP = 0;
			}
		}

		u->botschaften = NULL;	/* Sicherheitshalber */

	} else {
		/* cmistake(?, gc_add(strdup(buf)), 160, MSG_EVENT); */
		return NULL;
	}
	return u;
}
/* ------------------------------------------------------------ */

static faction *
factionorders(void)
{
	char b[16];
	char * fid = strnzcpy(b, getstrtoken(), 15);
	const char * pass = getstrtoken();
	faction *f;

	f = findfaction(atoi36(fid));

	if (f!=NULL) {
		/* Kontrolliere, ob das Passwort richtig eingegeben wurde. Es
		 * muß in "Gänsefüßchen" stehen!! */

		/* War vorher in main.c:getgarbage() */
		if (!quiet) {
			printf(" %4s;", factionid(f));
			fflush(stdout);
		}
		freestrlist(f->mistakes);
		f->mistakes = 0;

		if (checkpasswd(f, pass, true) == false) {
		  log_warning(("Invalid password for faction %s\n", fid));
			addstrlist(&f->mistakes, "Das Passwort wurde falsch eingegeben");
			return 0;
		}
		/* Die Partei hat sich zumindest gemeldet, so daß sie noch
		 * nicht als untätig gilt */

		/* TODO: +1 ist ein Workaround, weil turn erst in process_orders
		 * incrementiert wird. */
		f->lastorders = global.data_turn+1;

	} else
		log_warning(("Befehle für die ungültige Partei %s\n", fid));

	return f;
}

double
version(void)
{
	return RELEASE_VERSION * 0.1;
}
/* ------------------------------------------------------------- */

int
readorders(const char *filename)
{
	FILE * F = NULL;
	char *b;
	int nfactions=0;
	struct faction *f = NULL;

	if (filename) F = cfopen(filename, "rt");
	if (F==NULL) return 0;

	puts(" - lese Befehlsdatei...\n");

	b = getbuf(F);

	/* Auffinden der ersten Partei, und danach abarbeiten bis zur letzten
	 * Partei */

	while (b) {
		const struct locale * lang = f?f->locale:default_locale;
		int p;
		const char * s;

		switch (igetparam(b, lang)) {
		case P_LOCALE:
			s = getstrtoken();
#define LOCALES
#ifdef LOCALES
			if (f && find_locale(s)) {
				f->locale = find_locale(s);
			}
#else
			if(strcmp(s, "de") == 0) {
				f->locale = find_locale(s);
			}
#endif

			b = getbuf(F);
			break;
		case P_GAMENAME:
		case P_FACTION:
			f = factionorders();
			if (f) {
				++nfactions;
			}

			b = getbuf(F);

			break;

			/* in factionorders wird nur eine zeile gelesen:
			 * diejenige mit dem passwort. Die befehle der units
			 * werden geloescht, und die Partei wird als aktiv
			 * vermerkt. */

		case P_UNIT:
			if (!f || !unitorders(F, f)) do {
				b = getbuf(F);
				if (!b) break;
				p = igetparam(b, lang);
			} while ((p != P_UNIT || !f) && p != P_FACTION && p != P_NEXT && p != P_GAMENAME);
			break;

			/* Falls in unitorders() abgebrochen wird, steht dort entweder eine neue
			 * Partei, eine neue Einheit oder das File-Ende. Das switch() wird erneut
			 * durchlaufen, und die entsprechende Funktion aufgerufen. Man darf buf
			 * auf alle Fälle nicht überschreiben! Bei allen anderen Einträgen hier
			 * muß buf erneut gefüllt werden, da die betreffende Information in nur
			 * einer Zeile steht, und nun die nächste gelesen werden muß. */

		case P_NEXT:
			f = NULL;
		default:
			b = getbuf(F);
		}
	}

	fclose(F);
	puts("\n");
	printf("   %d Befehlsdateien gelesen\n", nfactions);
	return 0;
}
/* ------------------------------------------------------------- */

/* #define INNER_WORLD  */
/* fürs debuggen nur den inneren Teil der Welt laden */
/* -9;-27;-1;-19;Sumpfloch */
int
inner_world(region * r)
{
	static int xy[2] =
	{18, -45};
	static int size[2] =
	{27, 27};

	if (r->x >= xy[0] && r->x < xy[0] + size[0] && r->y >= xy[1] && r->y < xy[1] + size[1])
		return 2;
	if (r->x >= xy[0] - 9 && r->x < xy[0] + size[0] + 9 && r->y >= xy[1] - 9 && r->y < xy[1] + size[1] + 9)
		return 1;
	return 0;
}

int maxregions = -1;
int loadplane = 0;

boolean dirtyload = false;

enum {
	U_MAN,
	U_UNDEAD,
	U_ILLUSION,
	U_FIREDRAGON,
	U_DRAGON,
	U_WYRM,
	U_SPELL,
	U_TAVERNE,
	U_MONSTER,
	U_BIRTHDAYDRAGON,
	U_TREEMAN,
	MAXTYPES
};

race_t
typus2race(unsigned char typus)
{
	if (typus>0 && typus <=11) return (race_t)(typus-1);
	return NORACE;
}

boolean
is_persistent(const char *s, const struct locale *lang)
{
	if (s==NULL) return false;
#ifdef AT_PERSISTENT
	if(*s == '@') return true;
#endif      /* Nur kurze Befehle! */
	switch(igetkeyword(s, lang)) {
		case K_KOMMENTAR:
		case K_LIEFERE:
			return true;
			break;
	}
	return false;
}

void
create_backup(char *file)
{
#if defined(HAVE_ACCESS)
	char bfile[MAX_PATH];
	char command[MAX_PATH*2+10];
	int c = 1;
	do {
		sprintf(bfile, "%s.backup%d", file, c);
		c++;
	} while(access(bfile, R_OK) == 0);
	sprintf(command, "cp %s %s", file, bfile);
	system(command);
#endif
}

const char *
datapath(void)
{
	static char zText[MAX_PATH];
	if (g_datadir) return g_datadir;
	return strcat(strcpy(zText, basepath()), "/data");
}

void
read_items(FILE *F, item **ilist)
{
	for (;;) {
    const item_type * itype;
		rs(F, buf);
		if (!strcmp("end", buf)) break;
    itype = it_find(buf);
		if (itype!=NULL) i_change(ilist, itype, ri(F));
	}
}

#if RESOURCE_CONVERSION
struct attrib_type at_resources = {
	"resources", NULL, NULL, NULL, NULL, NULL, ATF_UNIQUE
};

void
read_iron(struct region * r, int iron)
{
	attrib * a = a_find(r->attribs, &at_resources);
	assert(iron>=0);
	if (a==NULL) {
		a = a_add(&r->attribs, a_new(&at_resources));
		a->data.sa[1] = -1;
	}
	a->data.sa[0] = (short)iron;
}

void
read_laen(struct region * r, int laen)
{
	attrib * a = a_find(r->attribs, &at_resources);
	assert(laen>=0);
	if (a==NULL) {
		a = a_add(&r->attribs, a_new(&at_resources));
		a->data.sa[0] = -1;
	}
	a->data.sa[1] = (short)laen;
}
#endif

#ifdef USE_UGROUPS
void
read_ugroups(FILE *file)
{
	int i;
	faction *f;
	ugroup *ug;
	int fno, ugid, ugmem;

	while(1) {
		fno = ri(file);
		if(fno == -1) break;
		f = findfaction(fno);
		while(1) {
			ugid  = ri(file);
			if(ugid == -1) break;
			ugmem = ri(file);
			ug = malloc(sizeof(ugroup));
			ug->id = ugid;
			ug->members = ugmem;
			ug->unit_array = malloc(ug->members * sizeof(unit *));
			for(i=0; i<ugmem; i++) {
				unit *u = findunitg(ri36(file), NULL);
				ug->unit_array[i] = u;
				a_add(&u->attribs, a_new(&at_ugroup))->data.i = ugid;
			}
			ug->next = f->ugroups;
			f->ugroups = ug;
		}
	}
}
#endif

#ifdef ALLIANCES
void
read_alliances(FILE * F)
{
	char pbuf[32];
	rs(F, pbuf);
	while (strcmp(pbuf, "end")!=0) {
		rs(F, buf);
		makealliance(atoi36(pbuf), buf);
		rs(F, pbuf);
	}
}
#endif

int
readgame(const char * filename, int backup)
{
	int i, n, p;
	faction *f, **fp;
	region *r;
	building *b, **bp;
	ship *sh, **shp;
	unit *u;
	FILE * F;
	int rmax = maxregions;

	sprintf(buf, "%s/%s", datapath(), filename);
  log_printf("- reading game data from %s\n", filename);
	if (backup) create_backup(buf);
	F = cfopen(buf, "r");
	if (F==NULL) {
		printf("Keine Spieldaten gefunden.\n");
#if 0
		printf("Neues Spiel (j/n)? ");
		if (tolower(getchar()) != 'j') {
			exit(0);
		}
		return creategame();
#else
		return -1;
#endif
	}

	rc(F);

	/* globale Variablen */

	global.data_version = ri(F);
	assert(global.data_version>=MIN_VERSION || !"unsupported data format");
	assert(global.data_version<=RELEASE_VERSION || !"unsupported data format");
	assert(global.data_version >= NEWSOURCE_VERSION);
	if(global.data_version >= SAVEXMLNAME_VERSION) {
		char basefile[1024];
		const char *basearg = "(null)";

		rs(F, basefile);
		assert(xmlfile != NULL);
		basearg = strrchr(xmlfile, '/');
		if (basearg==NULL) {
			basearg = xmlfile;
		} else {
			++basearg;
		}
		if (strcmp(basearg, basefile)!=0) {
			printf("WARNING: xmlfile mismatch:\n");
			printf("WARNING: datafile contains %s\n", basefile);
			printf("WARNING: argument/default is %s\n", basearg);
			printf("WARNING: any key to continue, Ctrl-C to stop\n");
			getchar();
		}
	}
	if (global.data_version >= GLOBAL_ATTRIB_VERSION) {
		a_read(F, &global.attribs);
	}
#ifndef COMPATIBILITY
	if (global.data_version < ITEMTYPE_VERSION) {
		fprintf(stderr, "kann keine alten datenfiles einlesen");
		exit(-1);
	}
#endif
	global.data_turn = turn = ri(F);
	/* read_dynamictypes(); */
	/* max_unique_id = */ ri(F);
	nextborder = ri(F);

	/* Planes */
	planes = NULL;
	n = ri(F);
	while(--n >= 0) {
		plane *pl = calloc(1, sizeof(plane));
		pl->id = ri(F);
		rds(F, &pl->name);
		pl->minx = ri(F);
		pl->maxx = ri(F);
		pl->miny = ri(F);
		pl->maxy = ri(F);
		pl->flags = ri(F);
		if (global.data_version>WATCHERS_VERSION) {
			rs(F, buf);
			while (strcmp(buf, "end")!=0) {
				watcher * w = calloc(sizeof(watcher),1);
				int fno = atoi36(buf);
				w->mode = (unsigned char)ri(F);
				w->next = pl->watchers;
				pl->watchers = w;
				ur_add((void*)fno, (void**)&w->faction, resolve_faction);
				rs(F, buf);
			}
		}
		a_read(F, &pl->attribs);
		addlist(&planes, pl);
	}

	/* Read factions */
#ifdef ALLIANCES
	if (global.data_version>=ALLIANCES_VERSION) {
		read_alliances(F);
	}
#endif
	n = ri(F);
	printf(" - Einzulesende Parteien: %d\n", n);
	fp = &factions;
	while (*fp) fp=&(*fp)->next;

	/* fflush (stdout); */

	while (--n >= 0) {
		faction * f = readfaction(F);
		addlist2(fp, f);
	}
	*fp = 0;

	/* Benutzte Faction-Ids */

	no_used_faction_ids = ri(F);
	/* used_faction_ids = gc_add(malloc(no_used_faction_ids*sizeof(int))); */
	used_faction_ids = malloc(no_used_faction_ids*sizeof(int));
	for(i=0; i < no_used_faction_ids; i++) {
		used_faction_ids[i] = ri(F);
	}

	/* Regionen */

	n = ri(F);
	if (rmax<0) rmax = n;
	printf(" - Einzulesende Regionen: %d/%d\r", rmax, n);

	while (--n >= 0) {
		unit **up;
		boolean skip = false;
		int x = ri(F);
		int y = ri(F);
		plane * pl = findplane(x, y);

		if (firstx && firsty) {
			if (x!=firstx || y!=firsty) {
				skip = true;
			} else {
				firstx=0;
				firsty=0;
				if (rmax>0) rmax = min(n, rmax)-1;
			}
		}
		if (loadplane && (!pl || pl->id!=loadplane)) skip = true;
		if (rmax==0) {
			if (dirtyload) break;
			skip = true;
		}
		if ((n%1024)==0) {	/* das spart extrem Zeit */
			printf(" - Einzulesende Regionen: %d/%d ", rmax, n);
			printf("* %d,%d    \r", x, y);
		}
		if (skip) {
			char * r;
			do {
				r = fgets(buf, BUFSIZE, F); /* skip region */
			} while (r && buf[0]!='\n');
			continue;
		}
		--rmax;

		r = readregion(F, x, y);

		/* Burgen */
		p = ri(F);
		bp = &r->buildings;

		while (--p >= 0) {

			b = (building *) calloc(1, sizeof(building));
			b->no = rid(F);
			bhash(b);
			rds(F, &b->name);
			rds(F, &b->display);
			b->size = ri(F);
			if (global.data_version < TYPES_VERSION) {
				assert(!"data format is no longer supported");
			    /* b->type = oldbuildings[ri(F)]; */
			}
			else {
			    rs(F, buf);
			    b->type = bt_find(buf);
			}
			b->region = r;
			a_read(F, &b->attribs);
			addlist2(bp, b);
		}
		/* Schiffe */

		p = ri(F);
		shp = &r->ships;

		while (--p >= 0) {
			sh = (ship *) calloc(1, sizeof(ship));

			sh->region = r;
			sh->no = rid(F);
			shash(sh);
			rds(F, &sh->name);
			rds(F, &sh->display);

			rs(F, buf);
			sh->type = st_find(buf);
			assert(sh->type || !"ship_type not registered!");
			sh->size = ri(F);
			sh->damage = ri(F);

			/* Attribute rekursiv einlesen */

			sh->coast = (direction_t)ri(F);
			a_read(F, &sh->attribs);

			addlist2(shp, sh);
		}

		*shp = 0;

		/* Einheiten */

		p = ri(F);
		up = &r->units;

		while (--p >= 0) {
			unit * u = readunit(F);
			assert(u->region==NULL);
			u->region = r;
			addlist2(up,u);
		}
	}
	printf("\n");
	if (!dirtyload) {
		read_borders(F);
#ifdef USE_UGROUPS
		if (global.data_version >= UGROUPS_VERSION) read_ugroups(F);
#endif
	}

#ifdef WEATHER

	/* Wetter lesen */

	weathers = NULL;

	if (global.data_version >= 81) {
		n = ri(F);
		while(--n >= 0) {
			weather *w;

			w = calloc(1, sizeof(weather));

			w->type      = ri(F);
			w->radius    = ri(F);
			w->center[0] = ri(F);
			w->center[1] = ri(F);
			w->move[0]   = ri(F);
			w->move[1]   = ri(F);

			addlist(&weathers, w);
		}
	}
#endif
	fclose(F);
#ifdef AMIGA
	fputs("Ok.", stderr);
#endif

        /* Unaufgeloeste Zeiger initialisieren */
	printf("\n - Referenzen initialisieren...\n");
	resolve();
	resolve_IDs();

	printf("\n - Leere Gruppen löschen...\n");
	for (f=factions; f; f=f->next) {
		group ** gp = &f->groups;
		while (*gp) {
			group * g = *gp;
			if (g->members==0) {
				*gp = g->next;
				free_group(g);
			} else
				gp = &g->next;
		}
	}
	resolve_IDs();

#if 0
	/* speziell für Runde 199->200 */
	printf("Actions korrigieren...\n");
	iuw_fix_rest();
#endif

	for (r=regions;r;r=r->next) {
		building * b;
		for (b=r->buildings;b;b=b->next) update_lighthouse(b);
	}
	printf(" - Regionen initialisieren & verbinden...\n");
	for (r = regions; r; r = r->next) {
		for (u = r->units; u; u = u->next) {
			u->faction->alive = 1;
		}
	}
	if(findfaction(0)) {
		findfaction(0)->alive = 1;
	}
	if (loadplane || maxregions>=0) {
		remove_empty_factions(false);
	}

#if 0
  /* what is this doing here? ageing happens at the end of the turn. goddamn it. */
	/* Regionen */
	for (r=regions;r;r=r->next) {
    building ** bp;
		unit ** up;
		ship ** sp;

		a_age(&r->attribs);
		handle_event(&r->attribs, "create", r);
		/* Einheiten */
		for (up=&r->units;*up;) {
			unit * u = *up;
			a_age(&u->attribs);
			if (u==*up) handle_event(&u->attribs, "create", u);
			if (u==*up) up = &(*up)->next;
		}
		/* Schiffe */
		for (sp=&r->ships;*sp;) {
			ship * s = *sp;
			a_age(&s->attribs);
			if (s==*sp) handle_event(&s->attribs, "create", s);
			if (s==*sp) sp = &(*sp)->next;
		}
		/* Gebäude */
		for (bp=&r->buildings;*bp;) {
			building * b = *bp;
			a_age(&b->attribs);
			if (b==*bp) handle_event(&b->attribs, "create", b);
			if (b==*bp) bp = &(*bp)->next;
		}
	}
#endif

	return 0;
}
/* ------------------------------------------------------------- */

#define wc(F, c) putc(c, F);
#define wnl(F) putc('\n', F);
#define whs(F, s) fputs(s, F); putc(' ', F)

void
wsn(FILE * F, const char *s)
{
	if (!s)
		return;
	while (*s)
		wc(F, *s++);
}

void
ws(FILE * F, const char *s)
{
	fputc('"', F);
	wsn(F, s);
	fputs("\" ", F);
}

void
wi(FILE * F, int n)
{
	fprintf(F, "%d ", n);
}

void wi36(FILE * F, int n)
{
	fprintf(F, "%s ", itoa36(n));
}

#ifdef ALLIANCES
void
write_alliances(FILE * F)
{
	alliance * al = alliances;
	while (al) {
		wi36(F, al->id);
		ws(F, al->name);
		al = al->next;
		wnl(F);
	}
	fprintf(F, "end");
	wnl(F);
}
#endif

void
write_items(FILE *F, item *ilist)
{
	item * itm;
	for (itm=ilist;itm;itm=itm->next) if (itm->number) {
		whs(F, resourcename(itm->type->rtype, 0));
		wi(F, itm->number);
	}
	fputs("end ", F);
}

#ifdef USE_UGROUPS
void
write_ugroups(FILE *file)
{
	faction *f;
	ugroup *ug;
	int i;

	for(f=factions; f; f=f->next) if(f->ugroups) {
		wi(file, f->no);
		for(ug = f->ugroups; ug; ug=ug->next) {
			wi(file, ug->id);
			wi(file, ug->members);
			for(i=0; i<ug->members; i++) {
				wi36(file, ug->unit_array[i]->no);
			}
		}
		fputs("-1\n", file);
	}
	fputs("-1\n", file);
}
#endif

#ifdef USE_PLAYERS
static void
export_players(const char * path)
{
	FILE * F;
	player * p = get_players();
	if (p==NULL) return;

	F = cfopen(path, "w");
	if (F==NULL) return;

	fputs("name;email;passwd;faction;info\n", F);
	while (p) {
		/* name */
		fputc('\"', F);
		if (p->name) fputs(p->name, F);

		/* email */
		fputs("\";\"", F);
		if (p->email) fputs(p->email, F);
		else if (p->faction) fputs(p->faction->email, F);
		fputs("\";\"", F);

		/* passwd */
		fputs("\";\"", F);
		if (p->faction) fputs(p->faction->passw, F);

		/* faction */
		fputs("\";\"", F);
		if (p->faction) fputs(itoa36(p->faction->no), F);

		/* info */
		fputs("\";\"", F);
		if (p->info) fputs(p->info, F);
		else if (p->faction) fputs(p->faction->banner, F);

		fputs("\"\n", F);

		p = next_player(p);
	}
	fclose(F);
}
#endif

int
writegame(const char *filename, char quiet)
{
	char *base;
	int i,n;
	faction *f;
	region *r;
	building *b;
	ship *sh;
	unit *u;
	plane *pl;
	FILE * F;
#ifdef USE_PLAYERS
	char playerfile[MAX_PATH];
#endif

#ifdef USE_PLAYERS
	sprintf(buf, "%s/%d.players", datapath(), turn);
	export_players(playerfile);
#endif

	/* write_dynamictypes(); */

	sprintf(buf, "%s/%s", datapath(), filename);
	F = cfopen(buf, "w");
	if (F==NULL)
		return -1;

	if (!quiet)
		printf("Schreibe die %d. Runde...\n", turn);

	/* globale Variablen */

	wi(F, RELEASE_VERSION);
	wnl(F);

	base = strrchr(xmlfile, '/');
	if(base) {
		ws(F, base+1);
	} else {
		ws(F, xmlfile);
	}
	wnl(F);

	a_write(F, global.attribs);
	wnl(F);

	wi(F, turn);
	wi(F, 0/*max_unique_id*/);
	wi(F, nextborder);

	/* Write planes */
	wnl(F);
	wi(F, listlen(planes));
	wnl(F);

	for(pl = planes; pl; pl=pl->next) {
		watcher * w;
		wi(F, pl->id);
		ws(F, pl->name);
		wi(F, pl->minx);
		wi(F, pl->maxx);
		wi(F, pl->miny);
		wi(F, pl->maxy);
		wi(F, pl->flags);
		w = pl->watchers;
		while (w) {
			if (w->faction) {
				wi36(F, w->faction->no);
				wi(F, w->mode);
			}
			w = w->next;
		}
		fputs("end ", F);
		a_write(F, pl->attribs);
		wnl(F);
	}


	/* Write factions */
#if defined(ALLIANCES) && RELEASE_VERSION>=ALLIANCES_VERSION
	write_alliances(F);
#endif
	n=listlen(factions);
	wi(F, n);
	wnl(F);

	printf(" - Schreibe %d Parteien...\n",n);
	for (f = factions; f; f = f->next) {
		writefaction(F, f);
	}

	wi(F, no_used_faction_ids);
	wnl(F);

	for(i=0; i<no_used_faction_ids; i++) {
		wi(F, used_faction_ids[i]);
		wnl(F);
	}

	wnl(F);

	/* Write regions */

	n=listlen(regions);
	wi(F, n);
	wnl(F);
	printf(" - Schreibe Regionen: %d  \r", n);

	for (r = regions; r; r = r->next, --n) {
		/* plus leerzeile */
		if ((n%1024)==0) {	/* das spart extrem Zeit */
			printf(" - Schreibe Regionen: %d  \r", n);
			fflush(stdout);
		}
		wnl(F);
		wi(F, r->x);
		wi(F, r->y);
		writeregion(F, r);

		wi(F, listlen(r->buildings));
		wnl(F);
		for (b = r->buildings; b; b = b->next) {
			wi36(F, b->no);
			ws(F, b->name);
			ws(F, b->display);
			wi(F, b->size);
			ws(F, b->type->_name);
			wnl(F);
			a_write(F, b->attribs);
			wnl(F);
		}

		wi(F, listlen(r->ships));
		wnl(F);
		for (sh = r->ships; sh; sh = sh->next) {
			assert(sh->region == r);
			wi36(F, sh->no);
			ws(F, sh->name);
			ws(F, sh->display);
			ws(F, sh->type->name[0]);
			wi(F, sh->size);
			wi(F, sh->damage);
			wi(F, sh->coast);
			wnl(F);
			a_write(F, sh->attribs);
			wnl(F);
		}

		wi(F, listlen(r->units));
		wnl(F);
		for (u = r->units; u; u = u->next) {
			writeunit(F, u);
		}
	}
	wnl(F);
	write_borders(F);
	wnl(F);
#if RELEASE_VERSION >= UGROUPS_VERSION
	write_ugroups(F);
	wnl(F);
#endif
	fclose(F);
	printf("\nOk.\n");
	return 0;
}
/* ------------------------------------------------------------- */

struct fjord { int size; faction * f; } fjord[3];

/* ------------------------------------------------------------- */

int
lastturn(void)
{
	int turn = 0;
#ifdef HAVE_READDIR
	DIR *data_dir = NULL;
	struct dirent *entry = NULL;
	const char * dir = datapath();
	data_dir = opendir(dir);
	if (data_dir != NULL) {
		entry = readdir(data_dir);
	}
	if (data_dir != NULL && entry != NULL) {
		turn = 0;
		do {
			int i = atoi(entry->d_name);
			if (i > turn)
				turn = i;
			entry = readdir(data_dir);
		} while (entry != NULL);
#ifdef HAVE_CLOSEDIR
		closedir(data_dir);
#endif
	}
#else
# error "requires dirent.h or an equivalent to compile!"
#endif
	return turn;
}

int
read_faction_reference(faction ** f, FILE * F)
{
	int id;
	if (global.data_version >= BASE36IDS_VERSION) {
		char zText[10];
		fscanf(F, "%s ", zText);
		id = atoi36(zText);
	} else {
		fscanf(F, "%d ", &id);
	}
	if (id<0) {
		*f = NULL;
		return AT_READ_FAIL;
	}
	*f = findfaction(id);
	if (*f==NULL) ur_add((void*)id, (void**)f, resolve_faction);
	return AT_READ_OK;
}

void
write_faction_reference(const faction * f, FILE * F)
{
	fprintf(F, "%s ", itoa36(f->no));
}

unit *
readunit(FILE * F)
{
	skill_t sk;
	item_t item;
	herb_t herb;
	potion_t potion;
	unit * u;
	int number, n;

	n = rid(F);
	u = findunit(n);
	if (u==NULL) {
		u = calloc(sizeof(unit), 1);
		u->no = n;
		uhash(u);
	} else {
		while (u->attribs) a_remove(&u->attribs, u->attribs);
		while (u->items) i_free(i_remove(&u->items, u->items));
		free(u->skills);
		u->skills = 0;
		u->skill_size = 0;
		u_setfaction(u, NULL);
	}
	{
		faction * f;
		int n = rid(F);
		f = findfaction(n);
		if (f!=u->faction) u_setfaction(u, f);
	}
	rds(F, &u->name);
	rds(F, &u->display);
	number = ri(F);
	if (global.data_version<ITEMTYPE_VERSION)
		set_money(u, ri(F));
	u->age = (short)ri(F);
	if (global.data_version<NEWRACE_VERSION) {
		u->race = new_race[(race_t)ri(F)];
		u->irace = new_race[(race_t)ri(F)];
	} else {
		rs(F, buf);
		if (strcmp(buf, "giant turtle")==0) strcpy(buf, "giantturtle");
		u->race = rc_find(buf);
		assert(u->race);
		rs(F, buf);
		if (strlen(buf)) u->irace = rc_find(buf);
		else u->irace = u->race;
	}
	if (u->faction == NULL) {
		log_error(("unit %s has faction == NULL\n", unitname(u)));
#if 0
		abort();
#else
		u_setfaction(u, findfaction(MONSTER_FACTION));
		set_number(u, 0);
#endif
	}
	if (playerrace(u->race)) {
		u->faction->no_units++;
	}
	set_number(u, number);
	u->building = findbuilding(rid(F));
	u->ship = findship(rid(F));

	if (global.data_version <= 73) {
		if (ri(F)) {
			fset(u, UFL_OWNER);
		} else {
			freset(u, UFL_OWNER);
		}
	}
	u->status = (status_t) ri(F);
	if (global.data_version < NEWSTATUS_VERSION) {
		switch (u->status) {
		case 0: u->status = ST_FIGHT; break;
		case 1: u->status = ST_BEHIND; break;
		case 2: u->status = ST_AVOID; break;
		case 3: u->status = ST_FLEE; break;
		default: assert(0);
		}
	}
	if (global.data_version <= 73) {
		if (ri(F)) {
			guard(u, GUARD_ALL);
		} else {
			guard(u, GUARD_NONE);
		}
	} else
		u->flags = ri(F) & ~UFL_DEBUG;
	/* Kurze persistente Befehle einlesen */
	if (u->orders) {
		freestrlist(u->orders);
		u->orders = NULL;
	}
	rs(F, buf);
	while(*buf != 0) {
		strlist *S = makestrlist(buf);
		addlist(&u->orders,S);
		rs(F, buf);
	}
	rds(F, &u->lastorder);
	set_string(&u->thisorder, "");
	if (global.data_version < EFFSTEALTH_VERSION)
		u_seteffstealth(u, ri(F));

	assert(u->number >= 0);
	assert(u->race);
	if (global.data_version<NEWSKILL_VERSION) {
		/* convert old data */
		while ((sk = (skill_t) ri(F)) != NOSKILL) {
			int days = ri(F) / u->number;
			int lvl = level(days);
			int weeks = lvl + 1 - (days - level_days(lvl))/30;
			assert(weeks>0 && weeks<=lvl+1);
			if (lvl) {
				skill * sv = add_skill(u, sk);
				sv->level = sv->old = (unsigned char)lvl;
				sv->weeks = (unsigned char)weeks;
			}
		}
	} else {
		while ((sk = (skill_t) ri(F)) != NOSKILL) {
			int level = ri(F);
			int weeks = ri(F);
			if (level) {
				skill * sv = add_skill(u, sk);
				sv->level = sv->old = (unsigned char)level;
				sv->weeks = (unsigned char)weeks;
			}
		}
	}
	if (global.data_version>=ITEMTYPE_VERSION) {
		read_items(F, &u->items);
	} else {
		while ((item = (item_t) ri(F)) >= 0) {
			i_change(&u->items, olditemtype[item], ri(F));
		}

		while ((potion = (potion_t) ri(F)) >= 0) {
			i_change(&u->items, oldpotiontype[potion]->itype, ri(F));
		}

		while ((herb = (herb_t) ri(F)) >= 0) {
			i_change(&u->items, oldherbtype[herb]->itype, ri(F));
		}
	}
	u->hp = ri(F);
	if (u->hp < u->number) {
		log_error(("Einheit %s hat %u Personen, und %u Trefferpunkte\n", itoa36(u->no),
				   u->number, u->hp));
		u->hp=u->number;
	}

	if (global.data_version < MAGE_ATTRIB_VERSION) {
		int i = ri(F);
		if (i != -1){
			attrib * a;
			int csp = 0;

			sc_mage * mage = calloc(1, sizeof(sc_mage));
			mage->magietyp = (magic_t) i;
			mage->spellpoints = ri(F);
			mage->spchange = ri(F);
			while ((i = ri(F)) != -1) {
				mage->combatspell[csp] = (spellid_t) i;
				mage->combatspelllevel[csp] = ri(F);
				csp++;
			}
			while ((i = ri(F)) != -1) {
				addspell(u, (spellid_t) i);
			}
			mage->spellcount = 0;
			a = a_add(&u->attribs, a_new(&at_mage));
			a->data.v = mage;
		}
	}
	a_read(F, &u->attribs);
	return u;
}

void
writeunit(FILE * F, const unit * u)
{
	strlist *S;
	int i;
	wi36(F, u->no);
	wi36(F, u->faction->no);
	ws(F, u->name);
	ws(F, u->display);
	wi(F, u->number);
	wi(F, u->age);
	ws(F, u->race->_name[0]);
	ws(F, u->irace!=u->race?u->irace->_name[0]:"");
	if (u->building)
		wi36(F, u->building->no);
	else
		wi(F, 0);
	if (u->ship) wi36(F, u->ship->no);
	else wi36(F, 0);
	wi(F, u->status);
	wi(F, u->flags & UFL_SAVEMASK);
	for(S=u->orders; S; S=S->next) {
		if (is_persistent(S->s, u->faction->locale)) {
			ws(F, S->s);
		}
	}
	ws(F, ""); /* Abschluß der persistenten Befehle */
	ws(F, u->lastorder);
	wnl(F);

	assert(u->number >= 0);
#ifdef MONEY_BUG
	if (get_money(u) < 0)
		printf("Einheit %s hat %d silber", unitname(u), get_money(u));
#else
	assert(u->race);
#endif

	for (i=0;i!=u->skill_size;++i) {
		skill * sv = u->skills+i;
		assert(sv->weeks<=sv->level*2+1);
		if (sv->level>0) {
			wi(F, sv->id);
			wi(F, sv->level);
			wi(F, sv->weeks);
		}
	}
	wi(F, -1);
	wnl(F);
	write_items(F, u->items);
	wnl(F);
	if (u->hp == 0) {
		log_error(("Einheit %s hat 0 Trefferpunkte\n", itoa36(u->no)));
		((unit*)u)->hp = 1;
	}
	wi(F, u->hp);
	wnl(F);
	a_write(F, u->attribs);
	wnl(F);
}

region *
readregion(FILE * F, int x, int y)
{
	region * r = findregion(x, y);
	int ter;

	if (r==NULL) {
		r = new_region(x, y);
	} else {
		current_region = r;
		while (r->attribs) a_remove(&r->attribs, r->attribs);
		if (r->land) {
			free(r->land); /* mem leak */
			r->land->demands = 0; /* mem leak */
		}
		while (r->resources) {
			rawmaterial * rm = r->resources;
			r->resources = rm->next;
			free(rm);
		}
		r->land = 0;
	}
	rds(F, &r->display);
	ter = ri(F);
	if (global.data_version < NOFOREST_VERSION) {
		if (ter>T_PLAIN) --ter;
	}
	rsetterrain(r, (terrain_t)ter);
	r->flags = (char) ri(F);

	if (global.data_version >= REGIONAGE_VERSION)
		r->age = (unsigned short) ri(F);
	else
		r->age = 0;

	if (landregion(rterrain(r))) {
		r->land = calloc(1, sizeof(land_region));
		rds(F, &r->land->name);
	}
	if (r->land) {
		int i;
#if GROWING_TREES
		if(global.data_version < GROWTREE_VERSION) {
			i = ri(F); rsettrees(r, 2, i);
		} else {
			i = ri(F);
			if (i<0) {
				log_error(("number of trees in %s is %d.\n", 
						   regionname(r, NULL), i));
				i=0;
			}
			rsettrees(r, 0, i);
			i = ri(F); 
			if (i<0) {
				log_error(("number of young trees in %s is %d.\n", 
						   regionname(r, NULL), i));
				i=0;
			}
			rsettrees(r, 1, i);
			i = ri(F); 
			if (i<0) {
				log_error(("number of seeds in %s is %d.\n", 
						   regionname(r, NULL), i));
				i=0;
			}
			rsettrees(r, 2, i);
		}
#else
		i = ri(F); rsettrees(r, i);
#endif
		i = ri(F); rsethorses(r, i);
#if NEW_RESOURCEGROWTH
		if (global.data_version < NEWRESOURCE_VERSION) {
			i = ri(F);
#if RESOURCE_CONVERSION
			if (i!=0) read_iron(r, i);
#endif
		} else {
			rawmaterial ** pres = &r->resources;
			assert(*pres==NULL);
			for (;;) {
				rawmaterial * res;
				rs(F, buf);
				if (strcmp(buf, "end")==0) break;
				res = calloc(sizeof(rawmaterial), 1);
				res->type = rmt_find(buf);
				assert(res->type!=NULL);
				res->level = ri(F);
				res->amount = ri(F);

				if(global.data_version >= RANDOMIZED_RESOURCES_VERSION) {
					res->startlevel = ri(F);
					res->base = ri(F);
					res->divisor = ri(F);
				} else {
					int i;
					res->startlevel = 1;
					for (i=0; i<3; i++) {
						if(res->type == terrain[rterrain(r)].rawmaterials[i].type) break;
					}
					assert(i<=2);
					res->base = dice_rand(terrain[rterrain(r)].rawmaterials[i].base);
					res->divisor = dice_rand(terrain[rterrain(r)].rawmaterials[i].divisor);
				}

				*pres = res;
				pres=&res->next;
			}
		}
#else
		i = ri(F); rsetiron(r, i);
#endif
		if (global.data_version>=ITEMTYPE_VERSION) {
			rs(F, buf);
			if (strcmp(buf, "noherb") != 0) {
				rsetherbtype(r, ht_find(buf));
			} else {
				rsetherbtype(r, NULL);
			}
			rsetherbs(r, (short)ri(F));
		} else {
			int i = ri(F);
			terrain_t ter = rterrain(r);
			if (ter == T_ICEBERG || ter == T_ICEBERG_SLEEP) ter = T_GLACIER;
			if (ter > T_GLACIER || ter == T_OCEAN)
				rsetherbtype(r, NULL);
			else
				rsetherbtype(r, oldherbtype[(i-1)+3*(ter-1)]);
			rsetherbs(r, (short)ri(F));
		}
		rsetpeasants(r, ri(F));
		rsetmoney(r, ri(F));
	}

	assert(rterrain(r) != NOTERRAIN);
	assert(rhorses(r) >= 0);
	assert(rpeasants(r) >= 0);
	assert(rmoney(r) >= 0);

	if (r->land) {
		if (global.data_version<ITEMTYPE_VERSION) {
			int i, p = 0;
			for (i = 0; oldluxurytype[i]!=NULL; i++) {
				int k = ri(F);
				r_setdemand(r, oldluxurytype[i], k);
				if (k==0) {
					/* Prüfung ob nur ein Luxusgut verkauft wird. */
					if (p == 1) {
						/* Zuviele ... Wir setzen den Demand. */
						r_setdemand(r, oldluxurytype[i], (char) (1 + rand() % 5));
					} else ++p;
				}
			}
		} else {
			for (;;) {
				rs(F, buf);
				if (!strcmp(buf, "end")) break;
				r_setdemand(r, lt_find(buf), ri(F));
			}
		}
	}
	a_read(F, &r->attribs);

	return r;
}

void
writeregion(FILE * F, const region * r)
{
	ws(F, r->display);
	wi(F, rterrain(r));
	wi(F, r->flags & RF_SAVEMASK);
	wi(F, r->age);
	wnl(F);
	if (landregion(rterrain(r))) {
		const herb_type *rht;
		struct demand * demand;
		ws(F, r->land->name);
#if GROWING_TREES
		assert(rtrees(r,0)>=0);
		assert(rtrees(r,1)>=0);
		assert(rtrees(r,2)>=0);
		wi(F, rtrees(r,0));
		wi(F, rtrees(r,1));
		wi(F, rtrees(r,2));
#else
		wi(F, rtrees(r));
#endif
		wi(F, rhorses(r));
#if NEW_RESOURCEGROWTH == 0
		wi(F, riron(r));
#elif RELEASE_VERSION>=NEWRESOURCE_VERSION
		{
			rawmaterial * res = r->resources;
			while (res) {
				ws(F, res->type->name);
				wi(F, res->level);
				wi(F, res->amount);
				wi(F, res->startlevel);
				wi(F, res->base);
				wi(F, res->divisor);
				res = res->next;
			}
			fputs("end ", F);
		}
#else
		assert(!"invalid defines");
#endif
		rht =  rherbtype(r);
		if (rht) {
			ws(F, resourcename(rht->itype->rtype, 0));
		} else {
			ws(F, "noherb");
		}
		wi(F, rherbs(r));
		wi(F, rpeasants(r));
		wi(F, rmoney(r));
		if (r->land) for (demand=r->land->demands; demand; demand=demand->next) {
			ws(F, resourcename(demand->type->itype->rtype, 0));
			wi(F, demand->value);
		}
		fputs("end\n", F);
	}
	a_write(F, r->attribs);
	wnl(F);
}

static void
addally(const faction * f, ally ** sfp, int aid, int state)
{
	struct faction * af = findfaction(aid);
	ally * sf;
	state &= ~HELP_OBSERVE;
#ifndef REGIONOWNERS
	state &= ~HELP_TRAVEL;
#endif
#ifdef ALLIANCES
# ifdef ALLIES_ONLY
	if (af!=NULL && af->alliance!=f->alliance) state &= ~ALLIES_ONLY;;
# else
# endif
	if (af!=NULL && af->alliance!=f->alliance) return;
#endif
  if (state==0) return;

  sf = calloc(1, sizeof(ally));
	sf->faction = af;
	if (!sf->faction) ur_add((void*)aid, (void**)&sf->faction, resolve_faction);
	sf->status = state;
	sf->next = *sfp;

	*sfp = sf;
}

/** Reads a faction from a file.
 * This function requires no context, can be called in any state. The
 * faction may not already exist, however.
 */
faction *
readfaction(FILE * F)
{
  ally **sfp;
  int planes;
  int i = rid(F);
  faction * f = findfaction(i);
  if (f==NULL) {
    f = (faction *) calloc(1, sizeof(faction));
    f->no = i;
  } else {
#ifdef MSG_LEVELS
    f->warnings = NULL; /* mem leak */
#endif
    f->allies = NULL; /* mem leak */
    while (f->attribs) a_remove(&f->attribs, f->attribs);
  }
  f->subscription = ri(F);
#ifdef ALLIANCES
  if (global.data_version>=ALLIANCES_VERSION) {
    int allianceid = rid(F);
    if (allianceid!=0) f->alliance = findalliance(allianceid);
    if (f->alliance) {
      faction_list * flist = malloc(sizeof(faction_list));
      flist->data = f;
      flist->next = f->alliance->members;
      f->alliance->members = flist;
    }
  }
#endif

  rds(F, &f->name);

#ifndef AMIGA
  if (!quiet) printf("   - Lese Partei %s (%s)\n", f->name, factionid(f));
#endif

  rds(F, &f->banner);
  rds(F, &f->email);
  rds(F, &f->passw);
  if (global.data_version >= OVERRIDE_VERSION) {
    rds(F, &f->override);
  } else {
    f->override = strdup(itoa36(rand()));
  }

  if (global.data_version < LOCALE_VERSION) {
    f->locale = find_locale("de");
  } else {
    rs(F, buf);
    f->locale = find_locale(buf);
  }
  f->lastorders = ri(F);
  f->age = ri(F);
  if (global.data_version < NEWRACE_VERSION) {
    race_t rc = (char) ri(F);
    f->race = new_race[rc];
  } else {
    rs(F, buf);
    f->race = rc_find(buf);
    assert(f->race);
  }
#ifdef CONVERT_DBLINK
  convertunique(f);
#endif
  f->magiegebiet = (magic_t)ri(F);
  if (!playerrace(f->race)) {
    f->lastorders = turn+1;
  }
  f->karma = ri(F);
  f->flags = ri(F);
  freset(f, FFL_OVERRIDE);

  a_read(F, &f->attribs);
#ifdef MSG_LEVELS
  read_msglevels(&f->warnings, F);
#else
  for (;;) {
    int level;
    fscanf(F, "%s", buf);
    if (strcmp("end", buf)==0) break;
    fscanf(F, "%d ", &level);
  } 
#endif
  planes = ri(F);
  while(--planes >= 0) {
    int id = ri(F);
    int ux = ri(F);
    int uy = ri(F);
    set_ursprung(f, id, ux, uy);
  }
  f->newbies = 0;
  
  i = f->options = ri(F);

  if ((i & Pow(O_REPORT))==0 && (i & Pow(O_COMPUTER))==0) {
    /* Kein Report eingestellt, Fehler */
    f->options = f->options | Pow(O_REPORT) | Pow(O_ZUGVORLAGE);
  }

  if (global.data_version < TYPES_VERSION) {
    int sk = ri(F); /* f->seenspell überspringen */
    spell_list * slist;
    for (slist=spells;slist!=NULL;slist=slist->next) {
      spell * sp = slist->data;

      if (sp->magietyp==f->magiegebiet && sp->level<=sk) {
        a_add(&f->attribs, a_new(&at_seenspell))->data.i = sp->id;
      }
    }
  }

  sfp = &f->allies;
  if (global.data_version<ALLIANCES_VERSION) {
    int p = ri(F);
    while (--p >= 0) {
      int aid = rid(F);
      int state = ri(F);
      addally(f, sfp, aid, state);
    }
  } else {
    for (;;) {
      rs(F, buf);
      if (strcmp(buf, "end")==0) break;
      else {
        int aid = atoi36(buf);
        int state = ri(F);
        addally(f, sfp, aid, state);
      }
    }
  }
  read_groups(F, f);
#ifdef REGIONOWNERS
  read_enemies(F, f);
#endif
  return f;
}

void
writefaction(FILE * F, const faction * f)
{
	ally *sf;
	ursprung *ur;

	wi36(F, f->no);
	wi(F, f->subscription);
#if defined(ALLIANCES) && RELEASE_VERSION>=ALLIANCES_VERSION
	if (f->alliance) wi36(F, f->alliance->id);
	else wi36(F, 0);
#endif

	ws(F, f->name);
	ws(F, f->banner);
	ws(F, f->email);
	ws(F, f->passw);
	ws(F, f->override);
	ws(F, locale_name(f->locale));
	wi(F, f->lastorders);
	wi(F, f->age);
	ws(F, f->race->_name[0]);
	wnl(F);
	wi(F, f->magiegebiet);
	wi(F, f->karma);
	wi(F, f->flags);
	a_write(F, f->attribs);
	wnl(F);
#ifdef MSG_LEVELS
	write_msglevels(f->warnings, F);
#else
        fputs("end ", F);
#endif
        wnl(F);
	wi(F, listlen(f->ursprung));
	for(ur = f->ursprung;ur;ur=ur->next) {
		wi(F, ur->id);
		wi(F, ur->x);
		wi(F, ur->y);
	}
	wnl(F);
	wi(F, f->options & ~Pow(O_DEBUG));
	wnl(F);

	for (sf = f->allies; sf; sf = sf->next) {
		int no = (sf->faction!=NULL)?sf->faction->no:0;
		int status = alliedfaction(NULL, f, sf->faction, HELP_ALL);
		if (status!=0) {
			wi36(F, no);
			wi(F, sf->status);
		}
	}
	fprintf(F, "end");
	wnl(F);
	write_groups(F, f->groups);
#ifdef REGIONOWNERS
  write_enemies(F, f->enemies);
#endif
}