diff options
Diffstat (limited to 'loader/impl.cpp')
| -rw-r--r-- | loader/impl.cpp | 185 |
1 files changed, 15 insertions, 170 deletions
diff --git a/loader/impl.cpp b/loader/impl.cpp index 99be0be6..6b0ba333 100644 --- a/loader/impl.cpp +++ b/loader/impl.cpp @@ -1,60 +1,15 @@ #include "impl.hpp" -#include "loader/loader.hpp" -#include "src/tile-atlas.hpp" #include "compat/assert.hpp" -#include "compat/alloca.hpp" -#include "src/anim-atlas.hpp" -#include "src/emplacer.hpp" #include <cstring> -#include <unordered_map> -#include <utility> #include <memory> -#include <Corrade/Containers/ArrayViewStl.h> -#include <Corrade/Containers/Optional.h> #include <Corrade/Containers/Pair.h> -#include <Corrade/Containers/StringView.h> -#include <Corrade/Containers/StringStlHash.h> -#include <Corrade/PluginManager/PluginManager.h> -#include <Corrade/Utility/Resource.h> -#include <Corrade/Utility/Path.h> -#include <Magnum/ImageView.h> -#include <Magnum/Trade/AbstractImporter.h> #include <Magnum/Trade/ImageData.h> -#include <Magnum/Trade/AbstractImageConverter.h> #ifdef __GNUG__ #pragma GCC diagnostic ignored "-Walloca" #endif -namespace floormat { - -struct loader_impl final : loader_ -{ - Optional<Utility::Resource> shader_res; - PluginManager::Manager<Trade::AbstractImporter> importer_plugins; - Containers::Pointer<Trade::AbstractImporter> image_importer = - importer_plugins.loadAndInstantiate("StbImageImporter"); - - Containers::Pointer<Trade::AbstractImporter> tga_importer = - importer_plugins.loadAndInstantiate("TgaImporter"); - - std::unordered_map<String, std::shared_ptr<struct tile_atlas>> tile_atlas_map; - std::unordered_map<String, std::shared_ptr<struct anim_atlas>> anim_atlas_map; - std::vector<String> anim_atlases; - - StringView shader(StringView filename) override; - template<std::size_t N> Trade::ImageData2D texture(const char(&prefix)[N], StringView filename); - std::shared_ptr<struct tile_atlas> tile_atlas(StringView filename, Vector2ub size) override; - ArrayView<String> anim_atlas_list() override; - std::shared_ptr<struct anim_atlas> anim_atlas(StringView name) override; - - void get_anim_atlas_list(); - - static void set_application_working_directory(); - - explicit loader_impl(); - ~loader_impl() override; -}; +namespace floormat::loader_detail { StringView loader_impl::shader(StringView filename) { @@ -66,138 +21,28 @@ StringView loader_impl::shader(StringView filename) return ret; } -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(FM_IMAGE_PATH, name), size); }}; - auto atlas = tile_atlas_map.try_emplace(name, e).first->second; - return atlas; -} - -template<std::size_t N> -fm_noinline -Trade::ImageData2D loader_impl::texture(const char(&prefix)[N], StringView filename_) +loader_impl::loader_impl() { - if constexpr(N > 1) - fm_assert(prefix[N-2] == '/'); - fm_assert(filename_.size() < 4096); - fm_assert(filename_.find('\\') == filename_.end()); - fm_assert(filename_.find('\0') == filename_.end()); - fm_assert(tga_importer); - constexpr std::size_t max_extension_length = 16; - - char* const filename = (char*)alloca(filename_.size() + N + max_extension_length); - const std::size_t len = fm_begin( - std::size_t off = N-1; - if constexpr(N > 1) - std::memcpy(filename, prefix, off); - std::memcpy(filename + off, filename_.cbegin(), filename_.size()); - return off + filename_.size(); - ); - - for (const auto& extension : std::initializer_list<StringView>{ ".tga", ".png", ".webp", }) - { - std::memcpy(filename + len, extension.data(), extension.size()); - filename[len + extension.size()] = '\0'; - auto& importer = extension == StringView(".tga") ? tga_importer : image_importer; - if (Path::exists(filename) && importer->openFile(filename)) - { - auto img = importer->image2D(0); - if (!img) - fm_abort("can't allocate image for '%s'", filename); - auto ret = std::move(*img); - return ret; - } - } - const auto path = Path::currentDirectory(); - filename[len] = '\0'; - fm_abort("can't open image '%s' (cwd '%s')", filename, path ? path->data() : "(null)"); + system_init(); + set_application_working_directory(); } -ArrayView<String> loader_impl::anim_atlas_list() -{ - if (anim_atlases.empty()) - get_anim_atlas_list(); - return anim_atlases; -} +loader_impl::~loader_impl() = default; -std::shared_ptr<anim_atlas> loader_impl::anim_atlas(StringView name) +void loader_impl::ensure_plugins() { - if (auto it = anim_atlas_map.find(name); it != anim_atlas_map.end()) - return it->second; - else + if (!importer_plugins) + importer_plugins.emplace(); + if (!image_importer) { - const auto path = Path::join(FM_ANIM_PATH, Path::splitExtension(name).first()); - auto anim_info = loader_detail::deserialize_anim(path + ".json"); - auto tex = texture("", path); - - fm_assert(!anim_info.anim_name.isEmpty() && !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); - - auto atlas = std::make_shared<struct anim_atlas>(path, tex, std::move(anim_info)); - return anim_atlas_map[atlas->name()] = atlas; + image_importer = importer_plugins->loadAndInstantiate("StbImageImporter"); + fm_assert(image_importer); } -} - -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(FM_ANIM_PATH, flags); list) - for (StringView str : *list) - if (str.hasSuffix(".json")) - anim_atlases.emplace_back(str.exceptSuffix(std::size(".json")-1)); -} - -void loader_::destroy() -{ - loader.~loader_(); - new (&loader) loader_impl(); -} - -void loader_impl::set_application_working_directory() -{ - static bool once = false; - if (once) - return; - once = true; - if (const auto loc = Path::executableLocation()) + if (!tga_importer) { - StringView path = *loc; - path = Path::split(path).first(); - path = Path::split(path).first(); -#ifdef _WIN32 - String p = "\\\\?\\" + path; - for (char& c : p) - if (c == '/') - c = '\\'; - path = p; -#endif - loader_detail::chdir(path); + tga_importer = importer_plugins->loadAndInstantiate("TgaImporter"); + fm_assert(tga_importer); } - else - fm_warn("can't find install prefix!"); } -loader_impl::loader_impl() -{ - loader_detail::system_init(); - set_application_working_directory(); -} - -loader_impl::~loader_impl() = default; - -loader_& loader_::default_loader() noexcept -{ - static loader_impl loader_singleton{}; - return loader_singleton; -} - -// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables) -loader_& loader = loader_::default_loader(); - -} // namespace floormat +} // namespace floormat::loader_detail |