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#include "mapdump.hpp"
#include <algorithm>
#include <zlib.h>
bool load_dump(gzFile f, map_t &d)
{
if (gzread(f, &d.id, 4) < 4) return false;
int name_len;
if (gzread(f, &name_len, 4) < 4) return false;
d.locked = ((name_len & 0xf0000000) != 0);
name_len &= 0x7fffffff;
if (name_len)
{
char *name = new char[name_len];
if (gzread(f, name, name_len) != name_len)
{
delete[] name;
return false;
}
d.custom_name = std::string(name, name_len);
delete[] name;
} else d.custom_name = std::string();
if (gzread(f, d.map_data.data(), 128 * 128) < 128 * 128)
return false;
return true;
}
bool load_dumps(const char *fn, std::vector<map_t> &dumps)
{
gzFile f = gzopen(fn, "rb");
dumps.clear();
while (!gzeof(f))
{
map_t d;
if (load_dump(f, d))
dumps.emplace_back(std::move(d));
}
gzclose(f);
return dumps.size() != 0;
}
std::vector<int> load_tally(const char *fn)
{
std::vector<int> ret;
gzFile f = gzopen(fn, "rb");
while (!gzeof(f))
{
int t;
gzread(f, &t, 4);
ret.push_back(t);
}
std::sort(ret.begin(), ret.end());
auto uend = std::unique(ret.begin(), ret.end());
ret.erase(uend, ret.end());
return ret;
}
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