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#include "impl.hpp"
#include "compat/assert.hpp"
#include "src/emplacer.hpp"
#include "src/tile-atlas.hpp"
#include "src/anim-atlas.hpp"
#include <algorithm>
#include <Corrade/Containers/ArrayViewStl.h>
#include <Corrade/Containers/Pair.h>
#include <Corrade/Containers/StridedArrayView.h>
#include <Corrade/Containers/StringView.h>
#include <Corrade/Utility/Path.h>
#include <Magnum/Trade/ImageData.h>
namespace floormat::loader_detail {
std::shared_ptr<tile_atlas> loader_impl::tile_atlas(StringView name, Vector2ub size)
{
const emplacer e{[&] { return std::make_shared<struct tile_atlas>(name, texture(IMAGE_PATH, name), size); }};
auto atlas = tile_atlas_map.try_emplace(name, e).first->second;
return atlas;
}
ArrayView<String> loader_impl::anim_atlas_list()
{
if (anim_atlases.empty())
get_anim_atlas_list();
return anim_atlases;
}
std::shared_ptr<anim_atlas> loader_impl::anim_atlas(StringView name)
{
if (auto it = anim_atlas_map.find(name); it != anim_atlas_map.end())
return it->second;
else
{
const auto path = Path::join(ANIM_PATH, Path::splitExtension(name).first());
auto anim_info = deserialize_anim(path + ".json");
for (anim_group& group : anim_info.groups)
{
if (!group.mirror_from.isEmpty())
{
auto it = std::find_if(anim_info.groups.cbegin(), anim_info.groups.cend(),
[&](const anim_group& x) { return x.name == group.mirror_from; });
if (it == anim_info.groups.cend())
fm_abort("can't find group '%s' to mirror from '%s'", group.mirror_from.data(), group.name.data());
group.frames = it->frames;
for (anim_frame& f : group.frames)
f.ground = Vector2i((Int)f.size[0] - f.ground[0], f.ground[1]);
}
}
auto tex = texture("", path);
fm_assert(!anim_info.object_name.isEmpty());
fm_assert(anim_info.pixel_size.product() > 0);
fm_assert(!anim_info.groups.empty());
fm_assert(anim_info.nframes > 0);
fm_assert(anim_info.nframes == 1 || anim_info.fps > 0);
const auto size = tex.pixels().size();
const auto width = size[1], height = size[0];
fm_assert(Vector2uz{anim_info.pixel_size} == Vector2uz(width, height));
auto atlas = std::make_shared<struct anim_atlas>(path, tex, std::move(anim_info));
return anim_atlas_map[atlas->name()] = atlas;
}
}
void loader_impl::get_anim_atlas_list()
{
anim_atlases.clear();
anim_atlases.reserve(64);
using f = Path::ListFlag;
constexpr auto flags = f::SkipDirectories | f::SkipDotAndDotDot | f::SkipSpecial | f::SortAscending;
if (const auto list = Path::list(ANIM_PATH, flags); list)
for (StringView str : *list)
if (str.hasSuffix(".json"))
anim_atlases.emplace_back(str.exceptSuffix(std::size(".json")-1));
}
} // namespace floormat::loader_detail
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