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#include "compat/assert.hpp"
#include "compat/sysexits.hpp"
#include "compat/fix-argv0.hpp"
#include "compat/strerror.hpp"
#include "src/wall-atlas.hpp"
#include "serialize/wall-atlas.hpp"
#include "serialize/json-helper.hpp"
#include "loader/loader.hpp"
#include <utility>
#include <tuple>
#include <Corrade/Containers/StringView.h>
#include <Corrade/Containers/String.h>
#include <Corrade/Containers/TripleStl.h>
#include <Corrade/Utility/Path.h>
#include <Corrade/Utility/DebugStl.h>
#include <Corrade/Utility/Arguments.h>
#include <Magnum/Math/Functions.h>
//#include <nlohmann/json.hpp>
#include <opencv2/core/mat.hpp>
#include <opencv2/imgproc/imgproc.hpp>
#include <opencv2/imgcodecs/imgcodecs.hpp>
namespace floormat {
using Corrade::Utility::Arguments;
using namespace std::string_literals;
using namespace floormat::Wall;
namespace {
Vector2i get_buffer_size(const wall_atlas_def& a)
{
Vector2i size;
for (auto i = 0uz; i < Direction_COUNT; i++)
{
auto idx = a.direction_map[i];
if (!idx)
continue;
const auto& dir = a.direction_array[idx.val];
for (auto j = 0uz; j < (size_t)Group_::COUNT; j++)
{
const auto& group = (dir.*(Direction::groups[j].member));
if (group.is_empty())
continue;
auto val = wall_atlas::expected_size(a.header.depth, (Group_)j);
size = Math::max(size, val);
}
}
if (!(size > Vector2i{0}))
fm_abort("fatal: atlas '%s' has no defined groups", a.header.name.data());
return size;
}
struct options
{
String input_dir, input_file, output_dir;
};
struct state
{
options& opts;
cv::Mat4b& buffer;
const wall_atlas_def& old_atlas;
wall_atlas_def& new_atlas;
int& error;
};
bool do_direction(state& st, Direction_ i)
{
const auto& name = wall_atlas::directions[(size_t)i].name;
DBG_nospace << " direction '" << name << "'";
auto dir = Path::join(st.opts.input_dir, name);
if (!Path::isDirectory(dir))
{
char errbuf[128];
auto error = get_error_string(errbuf);
Fatal{Fatal::Flag::NoSpace} << "fatal: direction '" << name
<< "' has missing directory '" << dir
<< "': " << error;
return false;
}
auto dir_count = st.old_atlas.direction_mask.count();
st.new_atlas.direction_array = std::vector<Direction>{dir_count};
return true;
}
bool do_input_file(state& st)
{
DBG_nospace << "input-file '" << st.old_atlas.header.name << "'";
fm_assert(!st.buffer.empty());
fm_assert(loader.check_atlas_name(st.old_atlas.header.name));
fm_assert(st.old_atlas.direction_mask.any());
st.new_atlas.header = std::move(const_cast<wall_atlas_def&>(st.old_atlas).header);
for (auto i = 0uz; i < Direction_COUNT; i++)
{
if (!st.old_atlas.direction_mask[i])
continue;
if (!do_direction(st, (Direction_)i))
return false;
}
return true;
}
inline String fixsep(String str)
{
#ifdef _WIN32
for (char& c : str)
if (c == '\\')
c = '/';
#endif
return str;
}
Triple<options, Arguments, bool> parse_cmdline(int argc, const char* const* argv) noexcept
{
Corrade::Utility::Arguments args{};
args.addOption('o', "output"s).setHelp("output"s, ""s, "DIR"s);
args.addArgument("input.json"s);
args.parse(argc, argv);
options opts;
opts.output_dir = Path::join(loader.startup_directory(), fixsep(args.value<StringView>("output")));
opts.input_file = Path::join(loader.startup_directory(), fixsep(args.value<StringView>("input.json")));
opts.input_dir = Path::split(opts.input_file).first();
if (opts.output_dir.isEmpty())
opts.output_dir = opts.input_dir;
DBG_nospace << "input-dir" << opts.input_dir;
DBG_nospace << "output-dir" << opts.output_dir;
if (!Path::exists(opts.input_file))
Error{Error::Flag::NoSpace} << "fatal: input file '" << opts.input_file << "' doesn't exist";
else if (!Path::isDirectory(opts.output_dir))
Error{Error::Flag::NoSpace} << "fatal: output directory '" << opts.output_dir << "' doesn't exist";
else if (Path::isDirectory(opts.input_file))
Error{Error::Flag::NoSpace} << "fatal: input file '" << opts.input_file << "' is a directory";
else
{
fm_assert(opts.output_dir);
fm_assert(opts.input_file);
fm_assert(opts.input_dir);
return { std::move(opts), std::move(args), true };
}
return {};
}
[[nodiscard]] int usage(const Arguments& args) noexcept
{
Error{Error::Flag::NoNewlineAtTheEnd} << args.usage();
return EX_USAGE;
}
} // namespace
} // namespace floormat
using namespace floormat;
int main(int argc, char** argv)
{
argv[0] = fix_argv0(argv[0]);
auto [opts, args, opts_ok] = parse_cmdline(argc, argv);
if (!opts_ok)
return usage(args);
auto a = wall_atlas_def::deserialize(opts.input_file);
auto buf_size = get_buffer_size(a);
auto mat = cv::Mat4b{cv::Size{buf_size.x(), buf_size.y()}};
auto new_atlas = wall_atlas_def{};
auto error = EX_DATAERR;
auto st = state {
.opts = opts,
.buffer = mat,
.old_atlas = a,
.new_atlas = new_atlas,
.error = error,
};
if (!do_input_file(st))
{
fm_assert(error);
return error;
}
return 0;
}
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