Cube  Diff

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

	FILE *f = fopen([cgzname cStringWithEncoding:OFLocale.encoding], "wb");
	if (!f) {
		conoutf(@"could not write map to %s", cgzname);
		return;
	}
	fwrite(mdata, 1, msize, f);
	fclose(f);
	conoutf(@"wrote map %@ as file %s", mname, cgzname);
}

OFData *
readmap(OFString *mname)
{
	setnames(mname);
	return [OFData dataWithContentsOfFile:mname];

		if (mname.length == 0)
			mname = getclientmap();
		setnames(mname);
		backup(cgzname, bakname);
		gzFile f = gzopen(
		    [cgzname cStringWithEncoding:OFLocale.encoding], "wb9");
		if (!f) {
			conoutf(@"could not write map to %s", cgzname);
			return;
		}
		hdr.version = MAPVERSION;
		hdr.numents = 0;
		loopv(ents) if (ents[i].type != NOTUSED) hdr.numents++;
		header tmp = hdr;
		endianswap(&tmp.version, sizeof(int), 4);

					gzputc(f, s->tag);
				}
			}
			t = s;
		}
		spurge;
		gzclose(f);
		conoutf(@"wrote map file %s", cgzname);
		settagareas();
	}
}
COMMANDN(savemap, save_world, ARG_1STR)

void
load_world(OFString *mname) // still supports all map formats that have existed
                            // since the earliest cube betas!
{
	@autoreleasepool {
		stopifrecording();
		cleardlights();
		pruneundos();
		setnames(mname);
		gzFile f = gzopen(
		    [cgzname cStringWithEncoding:OFLocale.encoding], "rb9");
		if (!f) {
			conoutf(@"could not read map %s", cgzname);
			return;
		}
		gzread(f, &hdr, sizeof(header) - sizeof(int) * 16);
		endianswap(&hdr.version, sizeof(int), 4);
		if (strncmp(hdr.head, "CUBE", 4) != 0)
			fatal(@"while reading map: header malformatted");
		if (hdr.version > MAPVERSION)

				    texuse[s->ctex] = 1;
		}
		gzclose(f);
		calclight();
		settagareas();
		int xs, ys;
		loopi(256) if (texuse) lookuptexture(i, &xs, &ys);
		conoutf(@"read map %s (%d milliseconds)", cgzname,
		    SDL_GetTicks() - lastmillis);
		conoutf(@"%s", hdr.maptitle);
		startmap(mname);
		loopl(256)
		{
			// can this be done smarter?
			OFString *aliasname =