ddnet/src/tools/config_store.cpp

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#include <base/system.h>
#include <base/tl/array.h>
#include <engine/shared/datafile.h>
#include <engine/shared/linereader.h>
#include <engine/storage.h>
#include <game/mapitems.h>
void Process(IStorage *pStorage, const char *pMapName, const char *pConfigName)
{
IOHANDLE File = pStorage->OpenFile(pConfigName, IOFLAG_READ, IStorage::TYPE_ABSOLUTE);
array<char *> aLines;
char *pSettings = NULL;
if(!File)
{
dbg_msg("config_store", "config '%s' not found", pConfigName);
return;
}
CLineReader LineReader;
LineReader.Init(File);
char *pLine;
int TotalLength = 0;
while((pLine = LineReader.Get()))
{
int Length = str_length(pLine) + 1;
char *pCopy = (char *)malloc(Length);
mem_copy(pCopy, pLine, Length);
aLines.add(pCopy);
TotalLength += Length;
}
io_close(File);
pSettings = (char *)malloc(TotalLength);
int Offset = 0;
for(int i = 0; i < aLines.size(); i++)
{
int Length = str_length(aLines[i]) + 1;
mem_copy(pSettings + Offset, aLines[i], Length);
Offset += Length;
free(aLines[i]);
}
CDataFileReader Reader;
Reader.Open(pStorage, pMapName, IStorage::TYPE_ABSOLUTE);
CDataFileWriter Writer;
Writer.Init();
int SettingsIndex = Reader.NumData();
bool FoundInfo = false;
for(int i = 0; i < Reader.NumItems(); i++)
{
int TypeID;
int ItemID;
int *pData = (int *)Reader.GetItem(i, &TypeID, &ItemID);
int Size = Reader.GetItemSize(i);
CMapItemInfoSettings MapInfo;
if(TypeID == MAPITEMTYPE_INFO && ItemID == 0)
{
FoundInfo = true;
CMapItemInfoSettings *pInfo = (CMapItemInfoSettings *)pData;
if(Size >= (int)sizeof(CMapItemInfoSettings))
{
MapInfo = *pInfo;
pData = (int *)&MapInfo;
Size = sizeof(MapInfo);
if(pInfo->m_Settings > -1)
{
SettingsIndex = pInfo->m_Settings;
char *pMapSettings = (char *)Reader.GetData(SettingsIndex);
int DataSize = Reader.GetDataSize(SettingsIndex);
if(DataSize == TotalLength && mem_comp(pSettings, pMapSettings, DataSize) == 0)
{
dbg_msg("config_store", "configs coincide, not updating map");
return;
}
Reader.UnloadData(pInfo->m_Settings);
}
else
{
MapInfo = *pInfo;
MapInfo.m_Settings = SettingsIndex;
pData = (int *)&MapInfo;
Size = sizeof(MapInfo);
}
}
else
{
*(CMapItemInfo *)&MapInfo = *(CMapItemInfo *)pInfo;
MapInfo.m_Settings = SettingsIndex;
pData = (int *)&MapInfo;
Size = sizeof(MapInfo);
}
}
Writer.AddItem(TypeID, ItemID, Size, pData);
}
if(!FoundInfo)
{
CMapItemInfoSettings Info;
Info.m_Version = 1;
Info.m_Author = -1;
Info.m_MapVersion = -1;
Info.m_Credits = -1;
Info.m_License = -1;
Info.m_Settings = SettingsIndex;
Writer.AddItem(MAPITEMTYPE_INFO, 0, sizeof(Info), &Info);
}
for(int i = 0; i < Reader.NumData() || i == SettingsIndex; i++)
{
if(i == SettingsIndex)
{
Writer.AddData(TotalLength, pSettings);
continue;
}
unsigned char *pData = (unsigned char *)Reader.GetData(i);
int Size = Reader.GetDataSize(i);
Writer.AddData(Size, pData);
Reader.UnloadData(i);
}
Reader.Close();
if(!Writer.OpenFile(pStorage, pMapName))
{
dbg_msg("config_store", "couldn't open map file '%s' for writing", pMapName);
return;
}
Writer.Finish();
dbg_msg("config_store", "imported settings");
}
#include "config_common.h"