111 lines
4.0 KiB
C++
111 lines
4.0 KiB
C++
/*
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* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef DBC_FILE_LOADER_H
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#define DBC_FILE_LOADER_H
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#include "Define.h"
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#include "Errors.h"
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#include "Utilities/ByteConverter.h"
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class TC_COMMON_API DBCFileLoader
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{
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public:
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DBCFileLoader();
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~DBCFileLoader();
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bool Load(const char *filename, const char *fmt);
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class Record
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{
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public:
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float getFloat(size_t field) const
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{
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ASSERT(field < file.fieldCount);
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float val = *reinterpret_cast<float*>(offset + file.GetOffset(field));
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EndianConvert(val);
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return val;
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}
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uint32 getUInt(size_t field) const
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{
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ASSERT(field < file.fieldCount);
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uint32 val = *reinterpret_cast<uint32*>(offset + file.GetOffset(field));
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EndianConvert(val);
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return val;
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}
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int32 getInt(size_t field) const
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{
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assert(field < file.fieldCount);
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int32 val = *reinterpret_cast<int32*>(offset + file.GetOffset(field));
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EndianConvert(val);
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return val;
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}
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uint8 getUInt8(size_t field) const
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{
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ASSERT(field < file.fieldCount);
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return *reinterpret_cast<uint8*>(offset + file.GetOffset(field));
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}
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uint64 getUInt64(size_t field) const
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{
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assert(field < file.fieldCount);
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return *reinterpret_cast<uint64*>(offset + file.GetOffset(field));
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}
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const char *getString(size_t field) const
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{
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ASSERT(field < file.fieldCount);
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size_t stringOffset = getUInt(field);
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ASSERT(stringOffset < file.stringSize);
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return reinterpret_cast<char*>(file.stringTable + stringOffset);
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}
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private:
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Record(DBCFileLoader &file_, unsigned char *offset_): offset(offset_), file(file_) { }
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unsigned char* offset;
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DBCFileLoader& file;
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friend class DBCFileLoader;
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};
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// Get record by id
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Record getRecord(size_t id);
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/// Get begin iterator over records
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uint32 GetNumRows() const { return recordCount; }
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uint32 GetRowSize() const { return recordSize; }
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uint32 GetCols() const { return fieldCount; }
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uint32 GetOffset(size_t id) const { return (fieldsOffset != nullptr && id < fieldCount) ? fieldsOffset[id] : 0; }
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bool IsLoaded() const { return data != nullptr; }
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char* AutoProduceData(char const* fmt, uint32& count, char**& indexTable);
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char* AutoProduceStrings(char const* fmt, char* dataTable);
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static uint32 GetFormatRecordSize(char const* format, int32* index_pos = nullptr);
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private:
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uint32 recordSize;
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uint32 recordCount;
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uint32 fieldCount;
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uint32 stringSize;
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uint32 *fieldsOffset;
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unsigned char *data;
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unsigned char *stringTable;
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DBCFileLoader(DBCFileLoader const& right) = delete;
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DBCFileLoader& operator=(DBCFileLoader const& right) = delete;
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};
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#endif
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