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Core: Add ability to specify and launch a riivolution-modded game via a .json file.

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This commit is contained in:
Admiral H. Curtiss
2021-10-09 03:17:38 +02:00
parent fe242f79ee
commit 6394960f54
7 changed files with 285 additions and 0 deletions
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36
Source/Core/Core/Boot/Boot.cpp
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@ -57,6 +57,8 @@ namespace fs = std::filesystem;
#include "Core/PowerPC/PowerPC.h"
#include "DiscIO/Enums.h"
#include "DiscIO/GameModDescriptor.h"
#include "DiscIO/RiivolutionParser.h"
#include "DiscIO/RiivolutionPatcher.h"
#include "DiscIO/VolumeDisc.h"
#include "DiscIO/VolumeWad.h"
@ -217,6 +219,40 @@ BootParameters::GenerateFromFile(std::vector<std::string> paths,
return std::make_unique<BootParameters>(std::move(*wad), savestate_path);
}
if (extension == ".json")
{
auto descriptor = DiscIO::ParseGameModDescriptorFile(path);
if (descriptor)
{
auto boot_params = GenerateFromFile(descriptor->base_file, savestate_path);
if (!boot_params)
{
PanicAlertFmtT("Could not recognize file {0}", descriptor->base_file);
return nullptr;
}
if (descriptor->riivolution && std::holds_alternative<Disc>(boot_params->parameters))
{
auto& disc = std::get<Disc>(boot_params->parameters);
const auto& volume = *disc.volume;
boot_params->riivolution_patches =
DiscIO::Riivolution::GenerateRiivolutionPatchesFromGameModDescriptor(
*descriptor->riivolution, volume.GetGameID(), volume.GetRevision(),
volume.GetDiscNumber());
if (!boot_params->riivolution_patches.empty())
{
disc.volume = DiscIO::CreateDisc(DiscIO::DirectoryBlobReader::Create(
std::move(disc.volume),
[&](std::vector<DiscIO::FSTBuilderNode>* fst, DiscIO::FSTBuilderNode* dol_node) {
DiscIO::Riivolution::ApplyPatchesToFiles(boot_params->riivolution_patches, fst,
dol_node);
}));
}
}
return boot_params;
}
}
PanicAlertFmtT("Could not recognize file {0}", path);
return {};
}