forked from dolphin-emu/dolphin
a82675b7d5
Also changes some function params, but this is ok. Some simplifications were also able to be made (ie. killing off strcmps with ==, etc).
426 lines
11 KiB
C++
426 lines
11 KiB
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include <cinttypes>
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#include <cstdio>
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#include <cstring>
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#include <string>
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#include <vector>
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#include "Common/Common.h"
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#include "Common/FileUtil.h"
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#include "Common/SysConf.h"
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SysConf::SysConf()
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: m_IsValid(false)
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{
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m_FilenameDefault = File::GetUserPath(F_WIISYSCONF_IDX);
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m_IsValid = LoadFromFile(m_FilenameDefault);
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}
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SysConf::~SysConf()
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{
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if (!m_IsValid)
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return;
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Save();
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Clear();
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}
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void SysConf::Clear()
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{
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for (auto i = m_Entries.begin(); i < m_Entries.end() - 1; ++i)
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delete [] i->data;
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m_Entries.clear();
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}
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bool SysConf::LoadFromFile(const std::string& filename)
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{
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// Basic check
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if (!File::Exists(filename))
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{
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File::CreateFullPath(filename);
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GenerateSysConf();
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return true;
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}
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u64 size = File::GetSize(filename);
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if (size != SYSCONF_SIZE)
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{
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if (AskYesNoT("Your SYSCONF file is the wrong size.\nIt should be 0x%04x (but is 0x%04" PRIx64 ")\nDo you want to generate a new one?",
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SYSCONF_SIZE, size))
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{
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GenerateSysConf();
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return true;
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}
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else
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{
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return false;
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}
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}
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File::IOFile f(filename, "rb");
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if (f.IsOpen())
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{
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if (LoadFromFileInternal(f.ReleaseHandle()))
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{
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m_Filename = filename;
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return true;
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}
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}
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return false;
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}
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bool SysConf::LoadFromFileInternal(FILE *fh)
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{
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File::IOFile f(fh);
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// Fill in infos
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SSysConfHeader s_Header;
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f.ReadArray(s_Header.version, 4);
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f.ReadArray(&s_Header.numEntries, 1);
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s_Header.numEntries = Common::swap16(s_Header.numEntries) + 1;
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for (u16 index = 0; index < s_Header.numEntries; index++)
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{
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SSysConfEntry tmpEntry;
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f.ReadArray(&tmpEntry.offset, 1);
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tmpEntry.offset = Common::swap16(tmpEntry.offset);
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m_Entries.push_back(tmpEntry);
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}
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// Last offset is an invalid entry. We ignore it throughout this class
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for (auto i = m_Entries.begin(); i < m_Entries.end() - 1; ++i)
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{
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SSysConfEntry& curEntry = *i;
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f.Seek(curEntry.offset, SEEK_SET);
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u8 description = 0;
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f.ReadArray(&description, 1);
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// Data type
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curEntry.type = (SysconfType)((description & 0xe0) >> 5);
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// Length of name in bytes - 1
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curEntry.nameLength = (description & 0x1f) + 1;
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// Name
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f.ReadArray(curEntry.name, curEntry.nameLength);
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curEntry.name[curEntry.nameLength] = '\0';
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// Get length of data
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curEntry.dataLength = 0;
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switch (curEntry.type)
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{
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case Type_BigArray:
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f.ReadArray(&curEntry.dataLength, 1);
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curEntry.dataLength = Common::swap16(curEntry.dataLength);
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break;
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case Type_SmallArray:
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{
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u8 dlength = 0;
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f.ReadBytes(&dlength, 1);
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curEntry.dataLength = dlength;
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break;
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}
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case Type_Byte:
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case Type_Bool:
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curEntry.dataLength = 1;
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break;
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case Type_Short:
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curEntry.dataLength = 2;
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break;
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case Type_Long:
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curEntry.dataLength = 4;
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break;
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default:
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PanicAlertT("Unknown entry type %i in SYSCONF (%s@%x)!",
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curEntry.type, curEntry.name, curEntry.offset);
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return false;
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break;
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}
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// Fill in the actual data
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if (curEntry.dataLength)
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{
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curEntry.data = new u8[curEntry.dataLength];
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f.ReadArray(curEntry.data, curEntry.dataLength);
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}
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}
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return f.IsGood();
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}
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// Returns the size of the item in file
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unsigned int create_item(SSysConfEntry &item, SysconfType type, const std::string &name,
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const int data_length, unsigned int offset)
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{
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item.offset = offset;
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item.type = type;
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item.nameLength = (u8)(name.length());
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strncpy(item.name, name.c_str(), 32);
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item.dataLength = data_length;
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item.data = new u8[data_length];
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memset(item.data, 0, data_length);
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switch (type)
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{
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case Type_BigArray:
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// size of description + name length + size of dataLength + data length + null
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return 1 + item.nameLength + 2 + item.dataLength + 1;
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case Type_SmallArray:
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// size of description + name length + size of dataLength + data length + null
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return 1 + item.nameLength + 1 + item.dataLength + 1;
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case Type_Byte:
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case Type_Bool:
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case Type_Short:
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case Type_Long:
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// size of description + name length + data length
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return 1 + item.nameLength + item.dataLength;
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default:
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return 0;
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}
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}
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void SysConf::GenerateSysConf()
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{
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SSysConfHeader s_Header;
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strncpy(s_Header.version, "SCv0", 4);
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s_Header.numEntries = Common::swap16(28 - 1);
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SSysConfEntry items[27];
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memset(items, 0, sizeof(SSysConfEntry) * 27);
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// version length + size of numEntries + 28 * size of offset
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unsigned int current_offset = 4 + 2 + 28 * 2;
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// BT.DINF
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current_offset += create_item(items[0], Type_BigArray, "BT.DINF", 0x460, current_offset);
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items[0].data[0] = 4;
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for (u8 i = 0; i < 4; ++i)
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{
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const u8 bt_addr[6] = {i, 0x00, 0x79, 0x19, 0x02, 0x11};
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memcpy(&items[0].data[1 + 70 * i], bt_addr, sizeof(bt_addr));
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memcpy(&items[0].data[7 + 70 * i], "Nintendo RVL-CNT-01", 19);
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}
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// BT.SENS
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current_offset += create_item(items[1], Type_Long, "BT.SENS", 4, current_offset);
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items[1].data[3] = 0x03;
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// IPL.NIK
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current_offset += create_item(items[2], Type_SmallArray, "IPL.NIK", 0x15, current_offset);
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const u8 console_nick[14] = {0, 'd', 0, 'o', 0, 'l', 0, 'p', 0, 'h', 0, 'i', 0, 'n'};
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memcpy(items[2].data, console_nick, 14);
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// IPL.AR
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current_offset += create_item(items[3], Type_Byte, "IPL.AR", 1, current_offset);
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items[3].data[0] = 0x01;
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// BT.BAR
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current_offset += create_item(items[4], Type_Byte, "BT.BAR", 1, current_offset);
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items[4].data[0] = 0x01;
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// IPL.SSV
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current_offset += create_item(items[5], Type_Byte, "IPL.SSV", 1, current_offset);
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// IPL.LNG
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current_offset += create_item(items[6], Type_Byte, "IPL.LNG", 1, current_offset);
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items[6].data[0] = 0x01;
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// IPL.SADR
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current_offset += create_item(items[7], Type_BigArray, "IPL.SADR", 0x1007, current_offset);
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items[7].data[0] = 0x6c; //(Switzerland) TODO should this default be changed?
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// IPL.CB
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current_offset += create_item(items[8], Type_Long, "IPL.CB", 4, current_offset);
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items[8].data[0] = 0x0f; items[8].data[1] = 0x11;
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items[8].data[2] = 0x14; items[8].data[3] = 0xa6;
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// BT.SPKV
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current_offset += create_item(items[9], Type_Byte, "BT.SPKV", 1, current_offset);
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items[9].data[0] = 0x58;
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// IPL.PC
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current_offset += create_item(items[10], Type_SmallArray, "IPL.PC", 0x49, current_offset);
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items[10].data[1] = 0x04; items[10].data[2] = 0x14;
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// NET.CTPC
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current_offset += create_item(items[11], Type_Long, "NET.CTPC", 4, current_offset);
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// WWW.RST
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current_offset += create_item(items[12], Type_Bool, "WWW.RST", 1, current_offset);
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// BT.CDIF
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current_offset += create_item(items[13], Type_BigArray, "BT.CDIF", 0x204, current_offset);
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// IPL.INC
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current_offset += create_item(items[14], Type_Long, "IPL.INC", 4, current_offset);
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items[14].data[3] = 0x08;
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// IPL.FRC
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current_offset += create_item(items[15], Type_Long, "IPL.FRC", 4, current_offset);
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items[15].data[3] = 0x28;
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// IPL.CD
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current_offset += create_item(items[16], Type_Bool, "IPL.CD", 1, current_offset);
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items[16].data[0] = 0x01;
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// IPL.CD2
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current_offset += create_item(items[17], Type_Bool, "IPL.CD2", 1, current_offset);
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items[17].data[0] = 0x01;
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// IPL.UPT
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current_offset += create_item(items[18], Type_Byte, "IPL.UPT", 1, current_offset);
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items[18].data[0] = 0x02;
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// IPL.PGS
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current_offset += create_item(items[19], Type_Byte, "IPL.PGS", 1, current_offset);
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// IPL.E60
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current_offset += create_item(items[20], Type_Byte, "IPL.E60", 1, current_offset);
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items[20].data[0] = 0x01;
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// IPL.DH
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current_offset += create_item(items[21], Type_Byte, "IPL.DH", 1, current_offset);
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// NET.WCFG
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current_offset += create_item(items[22], Type_Long, "NET.WCFG", 4, current_offset);
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items[22].data[3] = 0x01;
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// IPL.IDL
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current_offset += create_item(items[23], Type_SmallArray, "IPL.IDL", 1, current_offset);
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items[23].data[0] = 0x01;
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// IPL.EULA
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current_offset += create_item(items[24], Type_Bool, "IPL.EULA", 1, current_offset);
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items[24].data[0] = 0x01;
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// BT.MOT
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current_offset += create_item(items[25], Type_Byte, "BT.MOT", 1, current_offset);
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items[25].data[0] = 0x01;
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// MPLS.MOVIE
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current_offset += create_item(items[26], Type_Bool, "MPLS.MOVIE", 1, current_offset);
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items[26].data[0] = 0x01;
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for (const SSysConfEntry& item : items)
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m_Entries.push_back(item);
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File::CreateFullPath(m_FilenameDefault);
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File::IOFile g(m_FilenameDefault, "wb");
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// Write the header and item offsets
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g.WriteBytes(&s_Header.version, sizeof(s_Header.version));
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g.WriteBytes(&s_Header.numEntries, sizeof(u16));
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for (int i = 0; i != 27; ++i)
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{
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const u16 tmp_offset = Common::swap16(items[i].offset);
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g.WriteBytes(&tmp_offset, 2);
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}
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const u16 end_data_offset = Common::swap16(current_offset);
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g.WriteBytes(&end_data_offset, 2);
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// Write the items
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const u8 null_byte = 0;
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for (int i = 0; i != 27; ++i)
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{
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u8 description = (items[i].type << 5) | (items[i].nameLength - 1);
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g.WriteBytes(&description, sizeof(description));
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g.WriteBytes(&items[i].name, items[i].nameLength);
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switch (items[i].type)
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{
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case Type_BigArray:
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{
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const u16 tmpDataLength = Common::swap16(items[i].dataLength);
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g.WriteBytes(&tmpDataLength, 2);
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g.WriteBytes(items[i].data, items[i].dataLength);
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g.WriteBytes(&null_byte, 1);
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}
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break;
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case Type_SmallArray:
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g.WriteBytes(&items[i].dataLength, 1);
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g.WriteBytes(items[i].data, items[i].dataLength);
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g.WriteBytes(&null_byte, 1);
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break;
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default:
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g.WriteBytes(items[i].data, items[i].dataLength);
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break;
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}
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}
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// Pad file to the correct size
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const u64 cur_size = g.GetSize();
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for (unsigned int i = 0; i != 16380 - cur_size; ++i)
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g.WriteBytes(&null_byte, 1);
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// Write the footer
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g.WriteBytes("SCed", 4);
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m_Filename = m_FilenameDefault;
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}
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bool SysConf::SaveToFile(const std::string& filename)
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{
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File::IOFile f(filename, "r+b");
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for (auto i = m_Entries.begin(); i < m_Entries.end() - 1; ++i)
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{
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// Seek to after the name of this entry
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f.Seek(i->offset + i->nameLength + 1, SEEK_SET);
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// We may have to write array length value...
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if (i->type == Type_BigArray)
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{
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const u16 tmpDataLength = Common::swap16(i->dataLength);
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f.WriteArray(&tmpDataLength, 1);
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}
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else if (i->type == Type_SmallArray)
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{
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const u8 len = (u8)(i->dataLength);
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f.WriteArray(&len, 1);
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}
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// Now write the actual data
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f.WriteBytes(i->data, i->dataLength);
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}
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return f.IsGood();
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}
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bool SysConf::Save()
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{
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if (!m_IsValid)
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return false;
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return SaveToFile(m_Filename);
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}
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void SysConf::UpdateLocation()
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{
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// if the old Wii User dir had a sysconf file save any settings that have been changed to it
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if (m_IsValid)
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Save();
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// Clear the old filename and set the default filename to the new user path
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// So that it can be generated if the file does not exist in the new location
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m_Filename.clear();
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m_FilenameDefault = File::GetUserPath(F_WIISYSCONF_IDX);
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Reload();
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}
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bool SysConf::Reload()
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{
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if (m_IsValid)
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Clear();
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std::string& filename = m_Filename.empty() ? m_FilenameDefault : m_Filename;
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m_IsValid = LoadFromFile(filename);
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return m_IsValid;
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}
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