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// Reads .gat files by name-mapping .wlk files
#include "grfio.hpp"
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <cassert>
#include <cstdio>
#include <cstring>
#include <map>
#include "../strings/mstring.hpp"
#include "../strings/fstring.hpp"
#include "../io/cxxstdio.hpp"
#include "../io/read.hpp"
#include "../common/extract.hpp"
#include "../poison.hpp"
static
std::map<MapName, FString> resnametable;
bool load_resnametable(ZString filename)
{
io::ReadFile in(filename);
if (!in.is_open())
{
FPRINTF(stderr, "Missing %s\n", filename);
return false;
}
bool rv = true;
FString line;
while (in.getline(line))
{
MapName key;
FString value;
if (!extract(line,
record<'#'>(&key, &value)))
{
PRINTF("Bad resnametable line: %s\n", line);
rv = false;
continue;
}
resnametable[key] = value;
}
return rv;
}
/// Change *.gat to *.wlk
static
FString grfio_resnametable(MapName rname)
{
return resnametable.at(rname);
}
std::vector<uint8_t> grfio_reads(MapName rname)
{
MString lfname_;
lfname_ += "data/";
lfname_ += grfio_resnametable(rname);
FString lfname = FString(lfname_);
int fd = open(lfname.c_str(), O_RDONLY);
if (fd == -1)
{
FPRINTF(stderr, "Resource %s (file %s) not found\n",
rname, lfname);
return {};
}
off_t len = lseek(fd, 0, SEEK_END);
assert (len != -1);
std::vector<uint8_t> buffer(len);
ssize_t err = pread(fd, buffer.data(), len, 0);
assert (err == len);
close(fd);
return buffer;
}
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