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#include "wall-traits.hpp"
#include "compat/exception.hpp"
#include "compat/vector-wrapper.hpp"
#include "atlas-loader-storage.hpp"
#include "wall-cell.hpp"
#include "loader.hpp"
#include "src/tile-defs.hpp"
#include "src/wall-atlas.hpp"
#include <cr/StringView.h>
#include <cr/Pointer.h>
#include <mg/ImageData.h>
#include <mg/ImageView.h>
namespace floormat::loader_detail {
namespace { const auto placeholder_cell = wall_cell{}; }
using wall_traits = atlas_loader_traits<wall_atlas>;
StringView atlas_loader_traits<wall_atlas>::loader_name() { return "wall_atlas"_s; }
auto atlas_loader_traits<wall_atlas>::atlas_of(const Cell& x) -> const std::shared_ptr<Atlas>& { return x.atlas; }
auto atlas_loader_traits<wall_atlas>::atlas_of(Cell& x) -> std::shared_ptr<Atlas>& { return x.atlas; }
StringView atlas_loader_traits<wall_atlas>::name_of(const Cell& x) { return x.name; }
StringView atlas_loader_traits<wall_atlas>::name_of(const Atlas& x) { return x.name(); }
void wall_traits::ensure_atlases_loaded(Storage& st)
{
if (!st.cell_array.empty()) [[likely]]
return;
fm_assert(st.name_map.empty());
st.cell_array = wall_cell::load_atlases_from_json().vec;
st.name_map.reserve(st.cell_array.size());
for (auto& c : st.cell_array)
{
fm_soft_assert(c.name != "<invalid>"_s);
fm_soft_assert(loader.check_atlas_name(c.name));
StringView name = c.name;
st.name_map[name] = &c;
}
fm_assert(!st.cell_array.empty());
}
auto wall_traits::make_invalid_atlas(Storage& st) -> const Cell&
{
if (st.invalid_atlas) [[likely]]
return *st.invalid_atlas;
constexpr auto name = loader_::INVALID;
constexpr auto frame_size = Vector2ui{tile_size_xy, tile_size_z};
auto a = std::make_shared<class wall_atlas>(
wall_atlas_def {
Wall::Info{.name = name, .depth = 8},
array<Wall::Frame>({{ {}, frame_size}, }),
array<Wall::Direction>({{
{ .index = 0, .count = 1, .pixel_size = frame_size, .is_defined = true, }
} }),
{{ {.val = 0}, {}, }},
{1u},
}, name, loader.make_error_texture(frame_size));
st.invalid_atlas = Pointer<wall_cell>{InPlaceInit, wall_cell{ .name = name, .atlas = std::move(a) } };
return *st.invalid_atlas;
}
auto wall_traits::make_atlas(StringView name, const Cell&) -> std::shared_ptr<Atlas>
{
char file_buf[fm_FILENAME_MAX], json_buf[fm_FILENAME_MAX];
auto file = loader.make_atlas_path(file_buf, loader.WALL_TILESET_PATH, name);
int json_size = std::snprintf(json_buf, std::size(json_buf), "%s.json", file_buf);
fm_soft_assert(json_size != 0 && (size_t)json_size <= std::size_t(json_buf));
auto json_name = StringView{json_buf, (size_t)json_size};
auto def = wall_atlas_def::deserialize(json_name);
auto tex = loader.texture(""_s, file);
fm_soft_assert(name == def.header.name);
fm_soft_assert(!def.frames.isEmpty());
auto atlas = std::make_shared<class wall_atlas>(std::move(def), file, tex);
return atlas;
}
} // namespace floormat::loader_detail
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