Cube  Check-in [b5bfe2af86]

	int numSkins, numVertices, numTexcoords;
	int numTriangles, numGlCommands, numFrames;
	int offsetSkins, offsetTexcoords, offsetTriangles;
	int offsetFrames, offsetGlCommands, offsetEnd;
};

struct md2_vertex {
	unsigned char vertex[3], lightNormalIndex;
};

struct md2_frame {
	float scale[3];
	float translate[3];
	char name[16];
	struct md2_vertex vertices[1];

	OFAssert(_mverts[frame] == NULL);

	_mverts[frame] = OFAllocMemory(_numVerts, sizeof(OFVector3D));
	struct md2_frame *cf =
	    (struct md2_frame *)((char *)_frames + _frameSize * frame);
	float sc = 16.0f / scale;
	for (int vi = 0; vi < _numVerts; vi++) {
		unsigned char *cv = (unsigned char *)&cf->vertices[vi].vertex;
		OFVector3D *v = &(_mverts[frame])[vi];
		v->x = (snap(sn, cv[0] * cf->scale[0]) + cf->translate[0]) / sc;
		v->y =
		    -(snap(sn, cv[1] * cf->scale[1]) + cf->translate[1]) / sc;
		v->z = (snap(sn, cv[2] * cf->scale[2]) + cf->translate[2]) / sc;
	}
}

	changemap(mapname);
	mapname = getclientmap();
	OFData *mapdata = readmap(mapname);
	if (mapdata == nil)
		return;
	ENetPacket *packet = enet_packet_create(
	    NULL, MAXTRANS + mapdata.count, ENET_PACKET_FLAG_RELIABLE);
	unsigned char *start = packet->data;
	unsigned char *p = start + 2;
	putint(&p, SV_SENDMAP);
	sendstring(mapname, &p);
	putint(&p, mapdata.count);
	if (65535 - (p - start) < mapdata.count) {
		conoutf(@"map %@ is too large to send", mapname);
		enet_packet_destroy(packet);
		return;
	}
	memcpy(p, mapdata.items, mapdata.count);
	p += mapdata.count;
	*(unsigned short *)start = ENET_HOST_TO_NET_16(p - start);
	enet_packet_resize(packet, p - start);
	sendpackettoserv(packet);
	conoutf(@"sending map %@ to server...", mapname);
	OFString *msg =
	    [OFString stringWithFormat:@"[map %@ uploaded to server, "
	                               @"\"getmap\" to receive it]",
	              mapname];
	toserver(msg);
}

void
getmap()
{
	ENetPacket *packet =
	    enet_packet_create(NULL, MAXTRANS, ENET_PACKET_FLAG_RELIABLE);
	unsigned char *start = packet->data;
	unsigned char *p = start + 2;
	putint(&p, SV_RECVMAP);
	*(unsigned short *)start = ENET_HOST_TO_NET_16(p - start);
	enet_packet_resize(packet, p - start);
	sendpackettoserv(packet);
	conoutf(@"requesting map from server...");
}

COMMAND(sendmap, ARG_1STR)
COMMAND(getmap, ARG_NONE)

c2sinfo(DynamicEntity *d)
{
	if (clientnum < 0)
		return; // we haven't had a welcome message from the server yet
	if (lastmillis - lastupdate < 40)
		return; // don't update faster than 25fps
	ENetPacket *packet = enet_packet_create(NULL, MAXTRANS, 0);
	unsigned char *start = packet->data;
	unsigned char *p = start + 2;
	bool serveriteminitdone = false;
	// suggest server to change map
	if (toservermap.length > 0) {
		// do this exclusively as map change may invalidate rest of
		// update
		packet->flags = ENET_PACKET_FLAG_RELIABLE;
		putint(&p, SV_MAPCHANGE);

		[messages removeAllObjects];
		if (lastmillis - lastping > 250) {
			putint(&p, SV_PING);
			putint(&p, lastmillis);
			lastping = lastmillis;
		}
	}
	*(unsigned short *)start = ENET_HOST_TO_NET_16(p - start);
	enet_packet_resize(packet, p - start);
	incomingdemodata(start, p - start, true);
	if (clienthost) {
		enet_host_broadcast(clienthost, 0, packet);
		enet_host_flush(clienthost);
	} else
		localclienttoserver(packet);

		d.lag = (d.lag * 5 + lagtime) / 6;
		d.lastUpdate = lastmillis;
	}
}

// processes any updates from the server
void
localservertoclient(unsigned char *buf, int len)
{
	if (ENET_NET_TO_HOST_16(*(unsigned short *)buf) != len)
		neterr(@"packet length");
	incomingdemodata(buf, len, false);

	unsigned char *end = buf + len;
	unsigned char *p = buf + 2;
	char text[MAXTRANS];
	int cn = -1, type;
	DynamicEntity *d = nil;
	bool mapchanged = false;

	while (p < end)
		switch (type = getint(&p)) {

		case SV_ITEMPICKUP:
			setspawn(getint(&p), false);
			getint(&p);
			break;

		case SV_ITEMSPAWN: {
			unsigned int i = getint(&p);
			setspawn(i, true);
			if (i >= ents.count)
				break;
			OFVector3D v =
			    OFMakeVector3D(ents[i].x, ents[i].y, ents[i].z);
			playsound(S_ITEMSPAWN, &v);
			break;
		}
		// server acknowledges that I picked up this item

				break;
			}
			break;
		}

		case SV_EDITENT: // coop edit of ent
		{
			unsigned int i = getint(&p);

			while (ents.count <= i) {
				Entity *e = [Entity entity];
				e.type = NOTUSED;
				[ents addObject:e];
			}

			int to = ents[i].type;
			ents[i].type = getint(&p);

	CHF,       // idem ceiling
	SPACE,     // entirely empty cube
	SEMISOLID, // generated by mipmapping
	MAXTYPE
};

struct sqr {
	// one of the above
	unsigned char type;
	// height, in cubes
	char floor, ceil;
	// wall/floor/ceil texture ids
	unsigned char wtex, ftex, ctex;
	// light value at upper left vertex
	unsigned char r, g, b;
	// vertex delta, used for heightfield cubes
	unsigned char vdelta;
	// used in mipmapping, when true this cube is not a perfect mip
	char defer;
	// true when occluded
	char occluded;
	// upper wall tex id
	unsigned char utex;
	// used by triggers
	unsigned char tag;
};

// hardcoded texture numbers
enum {
	DEFAULT_SKY = 0,
	DEFAULT_LIQUID,
	DEFAULT_WALL,

struct header {
	char head[4];   // "CUBE"
	int version;    // any >8bit quantity is a little indian
	int headersize; // sizeof(header)
	int sfactor;    // in bits
	int numents;
	char maptitle[128];
	unsigned char texlists[3][256];
	int waterlevel;
	int reserved[15];
};

#define SWS(w, x, y, s) (&(w)[(y) * (s) + (x)])
#define SW(w, x, y) SWS(w, x, y, ssize)
#define S(x, y) SW(world, x, y) // convenient lookup of a lowest mip cube

	S_JUMPPAD,
};

// vertex array format

struct vertex {
	float u, v, x, y, z;
	unsigned char r, g, b, a;
};

// globals ooh naughty

#ifdef __cplusplus
extern "C" {
#endif

void
tofronttex() // maintain most recently used of the texture lists when applying
             // texture
{
	for (int i = 0; i < 3; i++) {
		int c = curedittex[i];
		if (c >= 0) {
			unsigned char *p = hdr.texlists[i];
			int t = p[c];
			for (int a = c - 1; a >= 0; a--)
				p[a + 1] = p[a];
			p[0] = t;
			curedittex[i] = -1;
		}
	}

	if (player1.quadMillis && (player1.quadMillis -= time) < 0) {
		player1.quadMillis = 0;
		playsoundc(S_PUPOUT);
		conoutf(@"quad damage is over");
	}
}

// puts items in network stream and also spawns them locally
void
putitems(unsigned char **p)
{
	[ents enumerateObjectsUsingBlock:^(Entity *e, size_t i, bool *stop) {
		if ((e.type >= I_SHELLS && e.type <= I_QUAD) ||
		    e.type == CARROT) {
			putint(p, i);
			e.spawned = true;
		}
	}];
}

void
resetspawns()
{
	for (Entity *e in ents)
		e.spawned = false;
}
void
setspawn(size_t i, bool on)
{
	if (i < ents.count)
		ents[i].spawned = on;
}

    struct sqr *h2, struct sqr *s, struct sqr *t, struct sqr *u, struct sqr *v);
extern void addwaterquad(int x, int y, int size);
extern int renderwater(float hf);
extern void finishstrips();
extern void setarraypointers();

// client
extern void localservertoclient(unsigned char *buf, int len);
extern void connects(OFString *servername);
extern void disconnect(bool onlyclean, bool async);
extern void toserver(OFString *text);
extern void addmsg(int rel, int num, int type, ...);
extern bool multiplayer();
extern bool allowedittoggle();
extern void sendpackettoserv(void *packet);

extern void particle_trail(
    int type, int fade, const OFVector3D *from, const OFVector3D *to);
extern void render_particles(int time);

// worldio
extern void save_world(OFString *fname);
extern void load_world(OFString *mname);
extern void writemap(OFString *mname, int msize, unsigned char *mdata);
extern OFData *readmap(OFString *mname);
extern void loadgamerest();
extern void incomingdemodata(unsigned char *buf, int len, bool extras);
extern void demoplaybackstep();
extern void stop();
extern void stopifrecording();
extern void demodamage(int damage, const OFVector3D *o);
extern void demoblend(int damage);

// physics

extern void initserver(bool dedicated, int uprate, OFString *sdesc,
    OFString *ip, OFString *master, OFString *passwd, int maxcl);
extern void cleanupserver();
extern void localconnect();
extern void localdisconnect();
extern void localclienttoserver(struct _ENetPacket *);
extern void serverslice(int seconds, unsigned int timeout);
extern void putint(unsigned char **p, int n);
extern int getint(unsigned char **p);
extern void sendstring(OFString *t, unsigned char **p);
extern void startintermission();
extern void restoreserverstate(OFArray<Entity *> *ents);
extern unsigned char *retrieveservers(unsigned char *buf, int buflen);
extern char msgsizelookup(int msg);
extern void serverms(int mode, int numplayers, int minremain,
    OFString *smapname, int seconds, bool isfull);
extern void servermsinit(OFString *master, OFString *sdesc, bool listen);
extern void sendmaps(
    int n, OFString *mapname, int mapsize, unsigned char *mapdata);
extern ENetPacket *recvmap(int n);

// weapon
extern void selectgun(int a, int b, int c);
extern void shoot(DynamicEntity *d, const OFVector3D *to);
extern void shootv(int gun, const OFVector3D *from, const OFVector3D *to,
    DynamicEntity *d, bool local);
extern void createrays(const OFVector3D *from, const OFVector3D *to);
extern void moveprojectiles(float time);
extern void projreset();
extern OFString *playerincrosshair();
extern int reloadtime(int gun);

// entities
extern void initEntities();
extern void renderents();
extern void putitems(unsigned char **p);
extern void checkquad(int time);
extern void checkitems();
extern void realpickup(int n, DynamicEntity *d);
extern void renderentities();
extern void resetspawns();
extern void setspawn(size_t i, bool on);
extern void teleport(int n, DynamicEntity *d);
extern void baseammo(int gun);

// rndmap
extern void perlinarea(const struct block *b, int scale, int seed, int psize);

#ifdef __cplusplus
}
#endif

		        abs(ol4g - l4->g) < lighterr &&
		        abs(ol3b - l3->b) < lighterr &&
		        abs(ol4b - l4->b) < lighterr) ||
		    !wtex) {
			curvert -= 2;
			nquads--;
		} else {
			unsigned char *p3 =
			    (unsigned char *)(&verts[curvert - 1].r);
			ol3r = p3[0];
			ol3g = p3[1];
			ol3b = p3[2];
			unsigned char *p4 =
			    (unsigned char *)(&verts[curvert - 2].r);
			ol4r = p4[0];
			ol4g = p4[1];
			ol4b = p4[2];
		}
	}

	if (isceil) {

		} @finally {
			SDL_FreeFormat(format);
		}
	}

#if 0
	for (int i = 0; i < s->w * s->h * 3; i++) {
		unsigned char *p = (unsigned char *)s->pixels + i;
		*p = 255 - *p;
	}
#endif
	glBindTexture(GL_TEXTURE_2D, tnum);
	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S,
	    clamp ? GL_CLAMP_TO_EDGE : GL_REPEAT);

void
demoblend(int damage)
{
	bdamage = damage;
}

void
incomingdemodata(unsigned char *buf, int len, bool extras)
{
	if (!demorecording)
		return;
	gzputi(lastmillis - starttime);
	gzputi(len);
	gzwrite(f, buf, len);
	gzput(extras);

		int len = gzgeti();
		if (len < 1 || len > MAXTRANS) {
			conoutf(
			    @"error: huge packet during demo play (%d)", len);
			stopreset();
			return;
		}
		unsigned char buf[MAXTRANS];
		gzread(f, buf, len);
		localservertoclient(buf, len); // update game state

		DynamicEntity *target = players[democlientnum];
		assert(target);

		int extras;

}

void
send2(bool rel, int cn, int a, int b)
{
	ENetPacket *packet =
	    enet_packet_create(NULL, 32, rel ? ENET_PACKET_FLAG_RELIABLE : 0);
	unsigned char *start = packet->data;
	unsigned char *p = start + 2;
	putint(&p, a);
	putint(&p, b);
	*(unsigned short *)start = ENET_HOST_TO_NET_16(p - start);
	enet_packet_resize(packet, p - start);
	if (cn < 0)
		process(packet, -1);
	else
		send_(cn, packet);
	if (packet->referenceCount == 0)
		enet_packet_destroy(packet);
}

void
sendservmsg(OFString *msg)
{
	ENetPacket *packet = enet_packet_create(
	    NULL, _MAXDEFSTR + 10, ENET_PACKET_FLAG_RELIABLE);
	unsigned char *start = packet->data;
	unsigned char *p = start + 2;
	putint(&p, SV_SERVMSG);
	sendstring(msg, &p);
	*(unsigned short *)start = ENET_HOST_TO_NET_16(p - start);
	enet_packet_resize(packet, p - start);
	multicast(packet, -1);
	if (packet->referenceCount == 0)
		enet_packet_destroy(packet);
}

void

{
	[sents removeAllObjects];
	notgotitems = true;
}

// server side item pickup, acknowledge first client that gets it
static void
pickup(size_t i, int sec, int sender)
{
	if (i >= sents.count)
		return;

	if (sents[i].spawned) {
		sents[i].spawned = false;
		sents[i].spawnsecs = sec;
		send2(true, sender, SV_ITEMACC, i);
	}
}

// server side processing of updates: does very little and most state is tracked
// client only could be extended to move more gameplay to server (at expense of
// lag)

void
process(ENetPacket *packet, int sender) // sender may be -1
{
	if (ENET_NET_TO_HOST_16(*(unsigned short *)packet->data) !=
	    packet->dataLength) {
		disconnect_client(sender, @"packet length");
		return;
	}

	unsigned char *end = packet->data + packet->dataLength;
	unsigned char *p = packet->data + 2;
	char text[MAXTRANS];
	int cn = -1, type;

	while (p < end) {
		switch ((type = getint(&p))) {
		case SV_TEXT:
			sgetstr();

}

void
send_welcome(int n)
{
	ENetPacket *packet =
	    enet_packet_create(NULL, MAXTRANS, ENET_PACKET_FLAG_RELIABLE);
	unsigned char *start = packet->data;
	__block unsigned char *p = start + 2;
	putint(&p, SV_INITS2C);
	putint(&p, n);
	putint(&p, PROTOCOL_VERSION);
	putint(&p, *smapname.UTF8String);
	sendstring(serverpassword, &p);
	putint(&p, clients.count > maxclients);
	if (smapname.length > 0) {
		putint(&p, SV_MAPCHANGE);
		sendstring(smapname, &p);
		putint(&p, mode);
		putint(&p, SV_ITEMLIST);
		[sents enumerateObjectsUsingBlock:^(
		    ServerEntity *e, size_t i, bool *stop) {
			if (e.spawned)
				putint(&p, i);
		}];
		putint(&p, -1);
	}
	*(unsigned short *)start = ENET_HOST_TO_NET_16(p - start);
	enet_packet_resize(packet, p - start);
	send_(n, packet);
}

void
multicast(ENetPacket *packet, int sender)
{

	[servers addObject:[ServerInfo infoWithName:servername]];
}

void
pingservers()
{
	ENetBuffer buf;
	unsigned char ping[MAXTRANS];
	unsigned char *p;

	for (ServerInfo *si in servers) {
		if (si.address.host == ENET_HOST_ANY)
			continue;

		p = ping;
		putint(&p, lastmillis);

void
checkpings()
{
	enet_uint32 events = ENET_SOCKET_WAIT_RECEIVE;
	ENetBuffer buf;
	ENetAddress addr;
	unsigned char ping[MAXTRANS], *p;
	char text[MAXTRANS];
	buf.data = ping;
	buf.dataLength = sizeof(ping);

	while (enet_socket_wait(pingsock, &events, 0) >= 0 && events) {
		if (enet_socket_receive(pingsock, &addr, &buf, 1) <= 0)
			return;

	menuset(1);
}

void
updatefrommaster()
{
	const int MAXUPD = 32000;
	unsigned char buf[MAXUPD];
	unsigned char *reply = retrieveservers(buf, MAXUPD);
	if (!*reply || strstr((char *)reply, "<html>") ||
	    strstr((char *)reply, "<HTML>"))
		conoutf(@"master server not replying");
	else {
		[servers removeAllObjects];
		execute(@((char *)reply), true);
	}

		}
		buf->data = ((char *)buf->data) + len;
		((char *)buf->data)[0] = 0;
		buf->dataLength -= len;
	}
}

static unsigned char *
stripheader(unsigned char *b)
{
	char *s = strstr((char *)b, "\n\r\n");
	if (!s)
		s = strstr((char *)b, "\n\n");
	return s ? (unsigned char *)s : b;
}

static ENetAddress masterserver = { ENET_HOST_ANY, 80 };
static int updmaster = 0;
static OFString *masterbase;
static OFString *masterpath;
static unsigned char masterrep[MAXTRANS];
static ENetBuffer masterb;

static void
updatemasterserver(int seconds)
{
	// send alive signal to masterserver every hour of uptime
	if (seconds > updmaster) {

{
	bool busy = mssock != ENET_SOCKET_NULL;
	httpgetrecieve(&masterb);
	if (busy && mssock == ENET_SOCKET_NULL)
		printf("masterserver reply: %s\n", stripheader(masterrep));
}

unsigned char *
retrieveservers(unsigned char *buf, int buflen)
{
	OFString *path =
	    [OFString stringWithFormat:@"%@retrieve.do?item=list", masterpath];
	httpgetsend(
	    &masterserver, masterbase, path, @"cubeserver", @"Cube Server");
	ENetBuffer eb;
	buf[0] = 0;

{
	checkmasterreply();
	updatemasterserver(seconds);

	// reply all server info requests
	ENetBuffer buf;
	ENetAddress addr;
	unsigned char pong[MAXTRANS], *p;
	int len;
	enet_uint32 events = ENET_SOCKET_WAIT_RECEIVE;
	buf.data = pong;
	while (enet_socket_wait(pongsock, &events, 0) >= 0 && events) {
		buf.dataLength = sizeof(pong);
		len = enet_socket_receive(pongsock, &addr, &buf, 1);
		if (len < 0)

// misc useful functions used by the server

#include "cube.h"

// all network traffic is in 32bit ints, which are then compressed using the
// following simple scheme (assumes that most values are small).

void
putint(unsigned char **p, int n)
{
	if (n < 128 && n > -127) {
		*(*p)++ = n;
	} else if (n < 0x8000 && n >= -0x8000) {
		*(*p)++ = 0x80;
		*(*p)++ = n;
		*(*p)++ = n >> 8;
	} else {
		*(*p)++ = 0x81;
		*(*p)++ = n;
		*(*p)++ = n >> 8;
		*(*p)++ = n >> 16;
		*(*p)++ = n >> 24;
	}
}

int
getint(unsigned char **p)
{
	int c = *((char *)*p);
	(*p)++;
	if (c == -128) {
		int n = *(*p)++;
		n |= *((char *)*p) << 8;
		(*p)++;
		return n;
	} else if (c == -127) {
		int n = *(*p)++;
		n |= *(*p)++ << 8;
		n |= *(*p)++ << 16;
		return n | (*(*p)++ << 24);
	} else
		return c;
}

void
sendstring(OFString *t_, unsigned char **p)
{
	const char *t = t_.UTF8String;

	for (size_t i = 0; i < _MAXDEFSTR && *t != '\0'; i++)
		putint(p, *t++);

	putint(p, 0);

	return -1;
}

// sending of maps between clients

static OFString *copyname;
int copysize;
unsigned char *copydata = NULL;

void
sendmaps(int n, OFString *mapname, int mapsize, unsigned char *mapdata)
{
	if (mapsize <= 0 || mapsize > 256 * 256)
		return;
	copyname = mapname;
	copysize = mapsize;
	if (copydata)
		OFFreeMemory(copydata);
	copydata = (unsigned char *)OFAllocMemory(1, mapsize);
	memcpy(copydata, mapdata, mapsize);
}

ENetPacket *
recvmap(int n)
{
	if (!copydata)
		return NULL;
	ENetPacket *packet = enet_packet_create(
	    NULL, MAXTRANS + copysize, ENET_PACKET_FLAG_RELIABLE);
	unsigned char *start = packet->data;
	unsigned char *p = start + 2;
	putint(&p, SV_RECVMAP);
	sendstring(copyname, &p);
	putint(&p, copysize);
	memcpy(p, copydata, copysize);
	p += copysize;
	*(unsigned short *)start = ENET_HOST_TO_NET_16(p - start);
	enet_packet_resize(packet, p - start);
	return packet;
}

#ifdef STANDALONE

void
localservertoclient(unsigned char *buf, int len)
{
}

void
fatal(OFConstantString *s, ...)
{
	cleanupserver();

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#import <ObjFW/ObjFW.h>





#define max(a, b) (((a) > (b)) ? (a) : (b))
#define min(a, b) (((a) < (b)) ? (a) : (b))
#define rnd(max) (rand() % (max))
#define rndreset() (srand(1))
#define rndtime()                                            \
	{                                                    \
		for (int i = 0; i < (lastmillis & 0xF); i++) \

    void *memory, int stride, int length) // little indians as storage format
{
	if (*((char *)&stride))
		return;

	for (int w = 0; w < length; w++) {
		for (int i = 0; i < stride / 2; i++) {
			unsigned char *p = (unsigned char *)memory + w * stride;
			unsigned char t = p[i];
			p[i] = p[stride - i - 1];
			p[stride - i - 1] = t;
		}
	}
}

			o[0] = SWS(w, x, y, ws); // the 4 constituent cubes
			o[1] = SWS(w, x + 1, y, ws);
			o[2] = SWS(w, x + 1, y + 1, ws);
			o[3] = SWS(w, x, y + 1, ws);
			// the target cube in the higher mip level
			struct sqr *r = SWS(v, x / 2, y / 2, vs);
			*r = *o[0];
			unsigned char nums[MAXTYPE];
			for (int i = 0; i < MAXTYPE; i++)
				nums[i] = 0;
			for (int j = 0; j < 4; j++)
				nums[o[j]->type]++;
			// cube contains both solid and space, treated
			// specially in the renderer
			r->type = SEMISOLID;

			e.attr2 = 255;
		break;
	case MAPMODEL:
		e.attr4 = e.attr3;
		e.attr3 = e.attr2;
	case MONSTER:
	case TELEDEST:
		e.attr2 = (unsigned char)e.attr1;
	case PLAYERSTART:
		e.attr1 = (int)player1.yaw;
		break;
	}
	addmsg(1, 10, SV_EDITENT, ents.count, type, e.x, e.y, e.z, e.attr1,
	    e.attr2, e.attr3, e.attr4);

			e.type = NOTUSED;

	if (type == LIGHT)
		calclight();
}
COMMAND(clearents, ARG_1STR)

static unsigned char
scalecomp(unsigned char c, int intens)
{
	int n = c * intens / 100;
	if (n > 255)
		n = 255;
	return n;
}

// worldio.cpp: loading & saving of maps and savegames

#include "cube.h"

#import "Entity.h"

struct persistent_entity {
	short x, y, z; // cube aligned position
	short attr1;
	unsigned char type; // type is one of the above
	unsigned char attr2, attr3, attr4;
};

void
backup(OFString *name, OFString *backupname)
{
	[OFFileManager.defaultManager removeItemAtPath:backupname];
	[OFFileManager.defaultManager moveItemAtPath:name toPath:backupname];

		}
	}
}

// these two are used by getmap/sendmap.. transfers compressed maps directly

void
writemap(OFString *mname, int msize, unsigned char *mdata)
{
	setnames(mname);
	backup(cgzname, bakname);

	FILE *f = fopen([cgzname cStringWithEncoding:OFLocale.encoding], "wb");
	if (!f) {
		conoutf(@"could not write map to %@", cgzname);

	} else // the old (white) light code, here for the few people with old
	       // video cards that don't support overbright
	{
		for (int i = 0; i < steps; i++) {
			struct sqr *s = S(x >> PRECBITS, y >> PRECBITS);
			int light = l >> PRECBITS;
			if (light > s->r)
				s->r = s->g = s->b = (unsigned char)light;
			if (SOLID(s))
				return;
			x += stepx;
			y += stepy;
			l -= stepl;
		}
	}