Cube  Diff

// 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;
	uchar type; // type is one of the above
	uchar attr2, attr3, attr4;
};

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

	    gzopen([cgzname cStringWithEncoding:OFLocale.encoding], "wb9");
	if (!f) {
		conoutf(@"could not write map to %@", cgzname);
		return;
	}
	hdr.version = MAPVERSION;
	hdr.numents = 0;
	for (Entity *e in ents)
	loopv(ents) if (ents[i].type != NOTUSED) hdr.numents++;
		if (e.type != NOTUSED)
			hdr.numents++;
	header tmp = hdr;
	endianswap(&tmp.version, sizeof(int), 4);
	endianswap(&tmp.waterlevel, sizeof(int), 16);
	gzwrite(f, &tmp, sizeof(header));
	loopv(ents)
	for (Entity *e in ents) {
	{
		if (ents[i].type != NOTUSED) {
			entity tmp = ents[i];
		if (e.type != NOTUSED) {
			struct persistent_entity tmp = { e.x, e.y, e.z, e.attr1,
				e.type, e.attr2, e.attr3, e.attr4 };
			endianswap(&tmp, sizeof(short), 4);
			gzwrite(f, &tmp, sizeof(persistent_entity));
		}
	}
	sqr *t = NULL;
	int sc = 0;
#define spurge                          \

		fatal(@"illegal map size");
	if (hdr.version >= 4) {
		gzread(f, &hdr.waterlevel, sizeof(int) * 16);
		endianswap(&hdr.waterlevel, sizeof(int), 16);
	} else {
		hdr.waterlevel = -100000;
	}
	ents.setsize(0);
	[ents removeAllObjects];
	loopi(hdr.numents)
	{
		entity &e = ents.add();
		gzread(f, &e, sizeof(persistent_entity));
		endianswap(&e, sizeof(short), 4);
		e.spawned = false;
		struct persistent_entity tmp;
		gzread(f, &tmp, sizeof(persistent_entity));
		endianswap(&tmp, sizeof(short), 4);

		Entity *e = [Entity entity];
		e.x = tmp.x;
		e.y = tmp.y;
		e.z = tmp.z;
		e.attr1 = tmp.attr1;
		e.type = tmp.type;
		e.attr2 = tmp.attr2;
		e.attr3 = tmp.attr3;
		e.attr4 = tmp.attr4;
		[ents addObject:e];

		if (e.type == LIGHT) {
			if (!e.attr2)
				e.attr2 = 255; // needed for MAPVERSION<=2
			if (e.attr1 > 32)
				e.attr1 = 32; // 12_03 and below
		}
	}