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https://github.com/dolphin-emu/dolphin.git
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522 lines
17 KiB
C++
522 lines
17 KiB
C++
// Copyright 2021 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "DiscIO/RiivolutionParser.h"
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#include <algorithm>
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#include <sstream>
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#include <string>
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#include <string_view>
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#include <vector>
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#include <fmt/format.h>
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#include <pugixml.hpp>
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#include "Common/FileSearch.h"
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#include "Common/FileUtil.h"
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#include "Common/IOFile.h"
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#include "Common/StringUtil.h"
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#include "DiscIO/GameModDescriptor.h"
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#include "DiscIO/RiivolutionPatcher.h"
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namespace DiscIO::Riivolution
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{
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Patch::~Patch() = default;
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std::optional<Disc> ParseFile(const std::string& filename)
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{
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::File::IOFile f(filename, "rb");
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if (!f)
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return std::nullopt;
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std::vector<char> data;
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data.resize(f.GetSize());
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if (!f.ReadBytes(data.data(), data.size()))
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return std::nullopt;
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return ParseString(std::string_view(data.data(), data.size()), filename);
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}
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static std::map<std::string, std::string> ReadParams(const pugi::xml_node& node,
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std::map<std::string, std::string> params = {})
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{
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for (const auto& param_node : node.children("param"))
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{
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const std::string param_name = param_node.attribute("name").as_string();
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const std::string param_value = param_node.attribute("value").as_string();
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params[param_name] = param_value;
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}
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return params;
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}
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static std::vector<u8> ReadHexString(std::string_view sv)
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{
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if ((sv.size() % 2) == 1)
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return {};
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if (StringBeginsWith(sv, "0x") || StringBeginsWith(sv, "0X"))
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sv = sv.substr(2);
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std::vector<u8> result;
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result.reserve(sv.size() / 2);
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while (!sv.empty())
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{
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u8 tmp;
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if (!TryParse(std::string(sv.substr(0, 2)), &tmp, 16))
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return {};
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result.push_back(tmp);
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sv = sv.substr(2);
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}
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return result;
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};
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std::optional<Disc> ParseString(std::string_view xml, std::string xml_path)
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{
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pugi::xml_document doc;
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const auto parse_result = doc.load_buffer(xml.data(), xml.size());
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if (!parse_result)
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return std::nullopt;
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const auto wiidisc = doc.child("wiidisc");
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if (!wiidisc)
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return std::nullopt;
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Disc disc;
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disc.m_xml_path = std::move(xml_path);
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disc.m_version = wiidisc.attribute("version").as_int(-1);
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if (disc.m_version != 1)
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return std::nullopt;
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const std::string default_root = wiidisc.attribute("root").as_string();
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const auto id = wiidisc.child("id");
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if (id)
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{
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for (const auto& attribute : id.attributes())
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{
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const std::string_view attribute_name(attribute.name());
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if (attribute_name == "game")
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disc.m_game_filter.m_game = attribute.as_string();
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else if (attribute_name == "developer")
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disc.m_game_filter.m_developer = attribute.as_string();
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else if (attribute_name == "disc")
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disc.m_game_filter.m_disc = attribute.as_int(-1);
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else if (attribute_name == "version")
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disc.m_game_filter.m_version = attribute.as_int(-1);
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}
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auto xml_regions = id.children("region");
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if (xml_regions.begin() != xml_regions.end())
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{
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std::vector<std::string> regions;
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for (const auto& region : xml_regions)
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regions.push_back(region.attribute("type").as_string());
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disc.m_game_filter.m_regions = std::move(regions);
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}
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}
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const auto options = wiidisc.child("options");
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if (options)
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{
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for (const auto& section_node : options.children("section"))
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{
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Section& section = disc.m_sections.emplace_back();
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section.m_name = section_node.attribute("name").as_string();
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for (const auto& option_node : section_node.children("option"))
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{
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Option& option = section.m_options.emplace_back();
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option.m_id = option_node.attribute("id").as_string();
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option.m_name = option_node.attribute("name").as_string();
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option.m_selected_choice = option_node.attribute("default").as_uint(0);
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auto option_params = ReadParams(option_node);
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for (const auto& choice_node : option_node.children("choice"))
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{
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Choice& choice = option.m_choices.emplace_back();
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choice.m_name = choice_node.attribute("name").as_string();
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auto choice_params = ReadParams(choice_node, option_params);
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for (const auto& patchref_node : choice_node.children("patch"))
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{
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PatchReference& patchref = choice.m_patch_references.emplace_back();
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patchref.m_id = patchref_node.attribute("id").as_string();
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patchref.m_params = ReadParams(patchref_node, choice_params);
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}
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}
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}
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}
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for (const auto& macro_node : options.children("macros"))
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{
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const std::string macro_id = macro_node.attribute("id").as_string();
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for (auto& section : disc.m_sections)
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{
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auto option_to_clone = std::find_if(section.m_options.begin(), section.m_options.end(),
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[&](const Option& o) { return o.m_id == macro_id; });
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if (option_to_clone == section.m_options.end())
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continue;
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Option cloned_option = *option_to_clone;
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cloned_option.m_name = macro_node.attribute("name").as_string();
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for (auto& choice : cloned_option.m_choices)
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for (auto& patch_ref : choice.m_patch_references)
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patch_ref.m_params = ReadParams(macro_node, patch_ref.m_params);
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}
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}
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}
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const auto patches = wiidisc.children("patch");
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for (const auto& patch_node : patches)
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{
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Patch& patch = disc.m_patches.emplace_back();
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patch.m_id = patch_node.attribute("id").as_string();
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patch.m_root = patch_node.attribute("root").as_string();
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if (patch.m_root.empty())
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patch.m_root = default_root;
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for (const auto& patch_subnode : patch_node.children())
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{
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const std::string_view patch_name(patch_subnode.name());
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if (patch_name == "file")
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{
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auto& file = patch.m_file_patches.emplace_back();
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file.m_disc = patch_subnode.attribute("disc").as_string();
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file.m_external = patch_subnode.attribute("external").as_string();
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file.m_resize = patch_subnode.attribute("resize").as_bool(true);
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file.m_create = patch_subnode.attribute("create").as_bool(false);
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file.m_offset = patch_subnode.attribute("offset").as_uint(0);
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file.m_fileoffset = patch_subnode.attribute("fileoffset").as_uint(0);
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file.m_length = patch_subnode.attribute("length").as_uint(0);
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}
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else if (patch_name == "folder")
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{
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auto& folder = patch.m_folder_patches.emplace_back();
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folder.m_disc = patch_subnode.attribute("disc").as_string();
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folder.m_external = patch_subnode.attribute("external").as_string();
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folder.m_resize = patch_subnode.attribute("resize").as_bool(true);
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folder.m_create = patch_subnode.attribute("create").as_bool(false);
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folder.m_recursive = patch_subnode.attribute("recursive").as_bool(true);
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folder.m_length = patch_subnode.attribute("length").as_uint(0);
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}
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else if (patch_name == "savegame")
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{
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auto& savegame = patch.m_savegame_patches.emplace_back();
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savegame.m_external = patch_subnode.attribute("external").as_string();
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savegame.m_clone = patch_subnode.attribute("clone").as_bool(true);
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}
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else if (patch_name == "memory")
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{
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auto& memory = patch.m_memory_patches.emplace_back();
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memory.m_offset = patch_subnode.attribute("offset").as_uint(0);
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memory.m_value = ReadHexString(patch_subnode.attribute("value").as_string());
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memory.m_valuefile = patch_subnode.attribute("valuefile").as_string();
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memory.m_original = ReadHexString(patch_subnode.attribute("original").as_string());
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memory.m_ocarina = patch_subnode.attribute("ocarina").as_bool(false);
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memory.m_search = patch_subnode.attribute("search").as_bool(false);
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memory.m_align = patch_subnode.attribute("align").as_uint(1);
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}
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}
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}
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return disc;
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}
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static bool CheckRegion(const std::vector<std::string>& xml_regions, std::string_view game_region)
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{
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if (xml_regions.begin() == xml_regions.end())
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return true;
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for (const auto& region : xml_regions)
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{
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if (region == game_region)
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return true;
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}
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return false;
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}
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bool Disc::IsValidForGame(const std::string& game_id, std::optional<u16> revision,
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std::optional<u8> disc_number) const
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{
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if (game_id.size() != 6)
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return false;
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const std::string_view game_id_full = std::string_view(game_id);
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const std::string_view game_region = game_id_full.substr(3, 1);
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const std::string_view game_developer = game_id_full.substr(4, 2);
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const int disc_number_int = std::optional<int>(disc_number).value_or(-1);
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const int revision_int = std::optional<int>(revision).value_or(-1);
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if (m_game_filter.m_game && !StringBeginsWith(game_id_full, *m_game_filter.m_game))
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return false;
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if (m_game_filter.m_developer && game_developer != *m_game_filter.m_developer)
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return false;
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if (m_game_filter.m_disc && disc_number_int != *m_game_filter.m_disc)
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return false;
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if (m_game_filter.m_version && revision_int != *m_game_filter.m_version)
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return false;
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if (m_game_filter.m_regions && !CheckRegion(*m_game_filter.m_regions, game_region))
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return false;
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return true;
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}
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std::vector<Patch> Disc::GeneratePatches(const std::string& game_id) const
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{
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const std::string_view game_id_full = std::string_view(game_id);
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const std::string_view game_id_no_region = game_id_full.substr(0, 3);
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const std::string_view game_region = game_id_full.substr(3, 1);
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const std::string_view game_developer = game_id_full.substr(4, 2);
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const auto replace_variables =
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[&](std::string_view sv,
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const std::vector<std::pair<std::string, std::string_view>>& replacements) {
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std::string result;
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result.reserve(sv.size());
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while (!sv.empty())
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{
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bool replaced = false;
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for (const auto& r : replacements)
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{
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if (StringBeginsWith(sv, r.first))
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{
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for (char c : r.second)
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result.push_back(c);
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sv = sv.substr(r.first.size());
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replaced = true;
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break;
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}
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}
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if (replaced)
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continue;
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result.push_back(sv[0]);
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sv = sv.substr(1);
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}
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return result;
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};
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// Take only selected patches, replace placeholders in all strings, and return them.
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std::vector<Patch> active_patches;
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for (const auto& section : m_sections)
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{
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for (const auto& option : section.m_options)
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{
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const u32 selected = option.m_selected_choice;
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if (selected == 0 || selected > option.m_choices.size())
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continue;
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const Choice& choice = option.m_choices[selected - 1];
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for (const auto& patch_ref : choice.m_patch_references)
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{
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const auto patch = std::find_if(m_patches.begin(), m_patches.end(),
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[&](const Patch& p) { return patch_ref.m_id == p.m_id; });
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if (patch == m_patches.end())
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continue;
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std::vector<std::pair<std::string, std::string_view>> replacements;
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replacements.emplace_back(std::pair{"{$__gameid}", game_id_no_region});
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replacements.emplace_back(std::pair{"{$__region}", game_region});
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replacements.emplace_back(std::pair{"{$__maker}", game_developer});
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for (const auto& param : patch_ref.m_params)
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replacements.emplace_back(std::pair{"{$" + param.first + "}", param.second});
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Patch& new_patch = active_patches.emplace_back(*patch);
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new_patch.m_root = replace_variables(new_patch.m_root, replacements);
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for (auto& file : new_patch.m_file_patches)
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{
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file.m_disc = replace_variables(file.m_disc, replacements);
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file.m_external = replace_variables(file.m_external, replacements);
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}
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for (auto& folder : new_patch.m_folder_patches)
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{
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folder.m_disc = replace_variables(folder.m_disc, replacements);
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folder.m_external = replace_variables(folder.m_external, replacements);
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}
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for (auto& savegame : new_patch.m_savegame_patches)
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{
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savegame.m_external = replace_variables(savegame.m_external, replacements);
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}
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for (auto& memory : new_patch.m_memory_patches)
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{
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memory.m_valuefile = replace_variables(memory.m_valuefile, replacements);
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}
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}
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}
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}
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return active_patches;
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}
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std::vector<Patch> GenerateRiivolutionPatchesFromGameModDescriptor(
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const GameModDescriptorRiivolution& descriptor, const std::string& game_id,
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std::optional<u16> revision, std::optional<u8> disc_number)
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{
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std::vector<Patch> result;
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for (const auto& patch_info : descriptor.patches)
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{
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auto parsed = ParseFile(patch_info.xml);
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if (!parsed || !parsed->IsValidForGame(game_id, revision, disc_number))
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continue;
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for (auto& section : parsed->m_sections)
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{
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for (auto& option : section.m_options)
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{
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const auto* info = [&]() -> const GameModDescriptorRiivolutionPatchOption* {
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for (const auto& o : patch_info.options)
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{
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if (o.section_name == section.m_name)
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{
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if (!o.option_id.empty() && o.option_id == option.m_id)
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return &o;
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if (!o.option_name.empty() && o.option_name == option.m_name)
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return &o;
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}
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}
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return nullptr;
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}();
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if (info && info->choice <= option.m_choices.size())
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option.m_selected_choice = info->choice;
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}
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}
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for (auto& p : parsed->GeneratePatches(game_id))
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{
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p.m_file_data_loader =
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std::make_shared<FileDataLoaderHostFS>(patch_info.root, parsed->m_xml_path, p.m_root);
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result.emplace_back(std::move(p));
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}
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}
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return result;
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}
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std::vector<Patch> GenerateRiivolutionPatchesFromConfig(const std::string root_directory,
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const std::string& game_id,
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std::optional<u16> revision,
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std::optional<u8> disc_number)
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{
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std::vector<Patch> result;
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// The way Riivolution stores settings only makes sense for standard game IDs.
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if (!(game_id.size() == 4 || game_id.size() == 6))
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return result;
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const std::optional<Config> config = ParseConfigFile(
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fmt::format("{}/riivolution/config/{}.xml", root_directory, game_id.substr(0, 4)));
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for (const std::string& path : Common::DoFileSearch({root_directory + "riivolution"}, {".xml"}))
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{
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std::optional<Disc> parsed = ParseFile(path);
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if (!parsed || !parsed->IsValidForGame(game_id, revision, disc_number))
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continue;
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if (config)
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ApplyConfigDefaults(&*parsed, *config);
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for (auto& patch : parsed->GeneratePatches(game_id))
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{
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patch.m_file_data_loader =
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std::make_shared<FileDataLoaderHostFS>(root_directory, parsed->m_xml_path, patch.m_root);
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result.emplace_back(std::move(patch));
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}
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}
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return result;
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}
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std::optional<Config> ParseConfigFile(const std::string& filename)
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{
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::File::IOFile f(filename, "rb");
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if (!f)
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return std::nullopt;
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std::vector<char> data;
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data.resize(f.GetSize());
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if (!f.ReadBytes(data.data(), data.size()))
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return std::nullopt;
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return ParseConfigString(std::string_view(data.data(), data.size()));
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}
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std::optional<Config> ParseConfigString(std::string_view xml)
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{
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pugi::xml_document doc;
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const auto parse_result = doc.load_buffer(xml.data(), xml.size());
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if (!parse_result)
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return std::nullopt;
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const auto riivolution = doc.child("riivolution");
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if (!riivolution)
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return std::nullopt;
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Config config;
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config.m_version = riivolution.attribute("version").as_int(-1);
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if (config.m_version != 2)
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return std::nullopt;
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const auto options = riivolution.children("option");
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for (const auto& option_node : options)
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{
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auto& option = config.m_options.emplace_back();
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option.m_id = option_node.attribute("id").as_string();
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option.m_default = option_node.attribute("default").as_uint(0);
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}
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return config;
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}
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std::string WriteConfigString(const Config& config)
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{
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pugi::xml_document doc;
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auto riivolution = doc.append_child("riivolution");
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riivolution.append_attribute("version").set_value(config.m_version);
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for (const auto& option : config.m_options)
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{
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auto option_node = riivolution.append_child("option");
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option_node.append_attribute("id").set_value(option.m_id.c_str());
|
|
option_node.append_attribute("default").set_value(option.m_default);
|
|
}
|
|
|
|
std::stringstream ss;
|
|
doc.print(ss, " ");
|
|
return ss.str();
|
|
}
|
|
|
|
bool WriteConfigFile(const std::string& filename, const Config& config)
|
|
{
|
|
auto xml = WriteConfigString(config);
|
|
if (xml.empty())
|
|
return false;
|
|
|
|
::File::IOFile f(filename, "wb");
|
|
if (!f)
|
|
return false;
|
|
|
|
if (!f.WriteString(xml))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
void ApplyConfigDefaults(Disc* disc, const Config& config)
|
|
{
|
|
for (const auto& config_option : config.m_options)
|
|
{
|
|
auto* matching_option = [&]() -> Option* {
|
|
for (auto& section : disc->m_sections)
|
|
{
|
|
for (auto& option : section.m_options)
|
|
{
|
|
if (option.m_id.empty())
|
|
{
|
|
if ((section.m_name + option.m_name) == config_option.m_id)
|
|
return &option;
|
|
}
|
|
else
|
|
{
|
|
if (option.m_id == config_option.m_id)
|
|
return &option;
|
|
}
|
|
}
|
|
}
|
|
return nullptr;
|
|
}();
|
|
if (matching_option)
|
|
matching_option->m_selected_choice = config_option.m_default;
|
|
}
|
|
}
|
|
} // namespace DiscIO::Riivolution
|