[keel] Make Keel preload functions templates to allow for different plat specs
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9af8530e24
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@ -165,71 +165,6 @@ static ox::Error copyFS(ox::FileSystem *src, ox::FileSystem *dest) noexcept {
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return {};
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}
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// transformations need to be done after the copy to the new FS is complete
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static ox::Error preloadObj(
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ox::TypeStore *ts, ox::FileSystem *romFs,
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GbaPreloader *pl, ox::CRStringView path) noexcept {
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// load file
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oxRequireM(buff, romFs->read(path));
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oxRequireM(obj, keel::readAsset(ts, buff));
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if (obj.type()->preloadable) {
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oxOutf("preloading {}\n", path);
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// preload
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oxRequire(a, pl->startAlloc(ox::sizeOf<GbaPlatSpec>(&obj)));
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const auto err = ox::preload<GbaPlatSpec, decltype(obj)>(pl, &obj);
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oxReturnError(pl->endAlloc());
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oxReturnError(err);
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const keel::PreloadPtr p{.preloadAddr = static_cast<uint32_t>(a)};
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oxReturnError(ox::writeMC(&p).moveTo(&buff));
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} else {
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// strip the Claw header (it is not needed after preloading) and write back out to dest fs
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oxReturnError(ox::writeMC(&obj).moveTo(&buff));
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}
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oxReturnError(romFs->write(path, buff.data(), buff.size()));
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return {};
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}
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// claw file transformations are broken out because path to inode
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// transformations need to be done after the copy to the new FS is complete
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static ox::Error preloadDir(ox::TypeStore *ts, ox::FileSystem *romFs, GbaPreloader *pl, ox::CRStringView path) noexcept {
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// copy
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oxTracef("pack::preload", "path: {}", path);
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oxRequire(fileList, romFs->ls(path));
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for (const auto &name : fileList) {
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const auto filePath = ox::sfmt("{}{}", path, name);
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oxRequire(stat, romFs->stat(filePath));
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if (stat.fileType == ox::FileType::Directory) {
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const auto dir = ox::sfmt("{}{}/", path, name);
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oxReturnError(preloadDir(ts, romFs, pl, dir));
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} else {
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oxReturnError(preloadObj(ts, romFs, pl, filePath));
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}
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}
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return {};
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}
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static ox::Error padbin(ox::BufferWriter *w, unsigned factor) noexcept {
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return w->write(nullptr, factor - w->buff().size() % factor);
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}
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ox::Error appendBinary(ox::Buffer *binBuff, ox::Buffer *fsBuff, GbaPreloader *pl) noexcept {
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constexpr ox::StringView mediaHdr = "KEEL_MEDIA_HEADER_______________";
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constexpr ox::StringView preloadHdr = "KEEL_PRELOAD_HEADER_____________";
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constexpr auto hdrSize = 32u;
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static_assert(mediaHdr.bytes() == hdrSize);
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static_assert(preloadHdr.bytes() == hdrSize);
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ox::BufferWriter w(binBuff);
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oxReturnError(padbin(&w, hdrSize));
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oxReturnError(w.write(mediaHdr.data(), mediaHdr.bytes()));
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oxReturnError(w.write(fsBuff->data(), fsBuff->size()));
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oxReturnError(padbin(&w, hdrSize));
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oxReturnError(w.write(preloadHdr.data(), preloadHdr.bytes()));
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const auto &plBuff = pl->buff();
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oxReturnError(pl->offsetPtrs(binBuff->size()));
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oxReturnError(w.write(plBuff.data(), plBuff.size()));
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return {};
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}
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ox::Error pack(keel::Context *ctx, ox::TypeStore *ts, ox::FileSystem *dest) noexcept {
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oxReturnError(copyFS(ctx->rom.get(), dest));
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oxOut("Doing transforms\n");
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@ -237,11 +172,6 @@ ox::Error pack(keel::Context *ctx, ox::TypeStore *ts, ox::FileSystem *dest) noex
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return {};
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}
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ox::Error preload(ox::TypeStore *ts, ox::FileSystem *src, GbaPreloader *pl) noexcept {
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oxOut("Preloading\n");
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return preloadDir(ts, src, pl, "/");
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}
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}
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#endif
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@ -7,6 +7,9 @@
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#include <ox/fs/fs.hpp>
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#include <ox/preloader/preloader.hpp>
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#include "asset.hpp"
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#include "media.hpp"
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namespace keel {
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class Context;
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@ -76,10 +79,88 @@ struct GbaPlatSpec {
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using GbaPreloader = ox::Preloader<GbaPlatSpec>;
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ox::Error appendBinary(ox::Buffer *binBuff, ox::Buffer *fsBuff, GbaPreloader *pl) noexcept;
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namespace detail {
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// transformations need to be done after the copy to the new FS is complete
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template<typename PlatSpec>
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ox::Error preloadObj(
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ox::TypeStore *ts,
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ox::FileSystem *romFs,
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ox::Preloader<PlatSpec> *pl,
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ox::CRStringView path) noexcept {
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// load file
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oxRequireM(buff, romFs->read(path));
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oxRequireM(obj, keel::readAsset(ts, buff));
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if (obj.type()->preloadable) {
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oxOutf("preloading {}\n", path);
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// preload
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oxRequire(a, pl->startAlloc(ox::sizeOf<GbaPlatSpec>(&obj)));
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const auto err = ox::preload<GbaPlatSpec, decltype(obj)>(pl, &obj);
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oxReturnError(pl->endAlloc());
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oxReturnError(err);
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const keel::PreloadPtr p{.preloadAddr = static_cast<uint32_t>(a)};
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oxReturnError(ox::writeMC(&p).moveTo(&buff));
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} else {
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// strip the Claw header (it is not needed after preloading) and write back out to dest fs
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oxReturnError(ox::writeMC(&obj).moveTo(&buff));
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}
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oxReturnError(romFs->write(path, buff.data(), buff.size()));
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return {};
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}
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// claw file transformations are broken out because path to inode
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// transformations need to be done after the copy to the new FS is complete
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template<typename PlatSpec>
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ox::Error preloadDir(
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ox::TypeStore *ts,
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ox::FileSystem *romFs,
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ox::Preloader<PlatSpec> *pl,
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ox::CRStringView path) noexcept {
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// copy
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oxTracef("pack::preload", "path: {}", path);
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oxRequire(fileList, romFs->ls(path));
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for (const auto &name : fileList) {
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const auto filePath = ox::sfmt("{}{}", path, name);
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oxRequire(stat, romFs->stat(filePath));
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if (stat.fileType == ox::FileType::Directory) {
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const auto dir = ox::sfmt("{}{}/", path, name);
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oxReturnError(preloadDir(ts, romFs, pl, dir));
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} else {
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oxReturnError(preloadObj(ts, romFs, pl, filePath));
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}
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}
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return {};
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}
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}
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template<typename PlatSpec>
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ox::Error appendBinary(ox::Buffer *binBuff, ox::Buffer *fsBuff, ox::Preloader<PlatSpec> *pl) noexcept {
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constexpr auto padbin = [](ox::BufferWriter *w, unsigned factor) noexcept -> ox::Error {
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return w->write(nullptr, factor - w->buff().size() % factor);
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};
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constexpr ox::StringView mediaHdr = "KEEL_MEDIA_HEADER_______________";
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constexpr ox::StringView preloadHdr = "KEEL_PRELOAD_HEADER_____________";
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constexpr auto hdrSize = 32u;
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static_assert(mediaHdr.bytes() == hdrSize);
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static_assert(preloadHdr.bytes() == hdrSize);
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ox::BufferWriter w(binBuff);
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oxReturnError(padbin(&w, hdrSize));
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oxReturnError(w.write(mediaHdr.data(), mediaHdr.bytes()));
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oxReturnError(w.write(fsBuff->data(), fsBuff->size()));
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oxReturnError(padbin(&w, hdrSize));
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oxReturnError(w.write(preloadHdr.data(), preloadHdr.bytes()));
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oxReturnError(pl->offsetPtrs(binBuff->size()));
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const auto &plBuff = pl->buff();
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oxReturnError(w.write(plBuff.data(), plBuff.size()));
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return {};
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}
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template<typename PlatSpec>
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ox::Error preload(ox::TypeStore *ts, ox::FileSystem *src, ox::Preloader<PlatSpec> *pl) noexcept {
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oxOut("Preloading\n");
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return detail::preloadDir(ts, src, pl, "/");
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}
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ox::Error pack(keel::Context *ctx, ox::TypeStore *ts, ox::FileSystem *dest) noexcept;
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ox::Error preload(ox::TypeStore *ts, ox::FileSystem *src, GbaPreloader *pl) noexcept;
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}
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