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#include "loader/impl.hpp"
#include "wall-info.hpp"
#include "compat/assert.hpp"
#include "compat/exception.hpp"
#include "src/wall-atlas.hpp"
#include "serialize/wall-atlas.hpp"
#include "wall-info.hpp"
#include "serialize/json-helper.hpp"
#include "serialize/corrade-string.hpp"
#include <Corrade/Containers/Array.h>
#include <Corrade/Containers/ArrayViewStl.h>
#include <Corrade/Utility/Path.h>
#include <Magnum/Trade/ImageData.h>
#include <vector>
namespace floormat {
NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(wall_info, name, descr)
} // namespace floormat
namespace floormat::loader_detail {
std::shared_ptr<wall_atlas> loader_impl::get_wall_atlas(StringView filename)
{
using namespace floormat::Wall;
using namespace floormat::Wall::detail;
const auto jroot = json_helper::from_json_(filename);
auto header = read_info_header(jroot);
auto frames = read_all_frames(jroot);
size_t direction_count = 0;
for (const auto& [str, curdir] : wall_atlas::directions)
if (jroot.contains(std::string_view{str.data(), str.size()}))
direction_count++;
fm_soft_assert(direction_count > 0);
fm_debug_assert(direction_count <= (size_t)Direction_::COUNT);
auto directions = Array<Direction>{direction_count};
std::array<DirArrayIndex, 4> dir_array_indexes{};
uint8_t dir_idx = 0;
for (const auto& [str, curdir] : wall_atlas::directions)
{
if (!jroot.contains(std::string_view{str.data(), str.size()}))
continue;
auto i = (size_t)curdir;
fm_debug_assert(dir_idx < direction_count);
dir_array_indexes[i] = { .val = dir_idx };
directions[dir_idx++] = read_direction_metadata(jroot, curdir);
}
fm_debug_assert(dir_idx == direction_count);
auto atlas = std::make_shared<class wall_atlas>();
return atlas;
}
const wall_info& loader_impl::wall_atlas(StringView name, StringView dir)
{
fm_soft_assert(check_atlas_name(name));
char buf[FILENAME_MAX];
auto path = make_atlas_path(buf, dir, name);
auto it = wall_atlas_map.find(path);
if (it == wall_atlas_map.end())
fm_throw("no such wall atlas '{}'"_cf, fmt::string_view{path.data(), path.size()});
fm_assert(it->second != nullptr);
if (!it->second->atlas)
{
const_cast<wall_info*>(it->second)->atlas = get_wall_atlas(path);
}
return *it->second;
}
void loader_impl::get_wall_atlas_list()
{
wall_atlas_array = json_helper::from_json<std::vector<wall_info>>(Path::join(WALL_TILESET_PATH, "walls.json"_s));
wall_atlas_array.shrink_to_fit();
wall_atlas_map.clear();
wall_atlas_map.reserve(wall_atlas_array.size()*2);
for (const auto& x : wall_atlas_array)
{
fm_soft_assert(check_atlas_name(x.name));
StringView name = x.name;
wall_atlas_map[name] = &x;
fm_debug_assert(name.data() == wall_atlas_map[name]->name.data());
}
fm_assert(!wall_atlas_map.empty());
}
ArrayView<const wall_info> loader_impl::wall_atlas_list()
{
if (wall_atlas_map.empty())
get_wall_atlas_list();
return wall_atlas_array;
}
} // namespace floormat::loader_detail
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