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https://github.com/libretro/scummvm.git
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18cbb63cba
This is first step towards making saves portable. Binary footprint left intact, so the saves are compatible.
101 lines
2.6 KiB
C++
101 lines
2.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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/*
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* This code is based on Broken Sword 2.5 engine
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*
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* Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
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*
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* Licensed under GNU GPL v2
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*
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*/
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#include "sword25/kernel/outputpersistenceblock.h"
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namespace {
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const uint INITIAL_BUFFER_SIZE = 1024 * 64;
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}
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namespace Sword25 {
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OutputPersistenceBlock::OutputPersistenceBlock() {
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_data.reserve(INITIAL_BUFFER_SIZE);
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}
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void OutputPersistenceBlock::write(signed int value) {
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writeMarker(SINT_MARKER);
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value = TO_LE_32(value);
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rawWrite(&value, sizeof(value));
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}
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void OutputPersistenceBlock::write(uint value) {
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writeMarker(UINT_MARKER);
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value = TO_LE_32(value);
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rawWrite(&value, sizeof(value));
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}
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void OutputPersistenceBlock::write(float value) {
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writeMarker(FLOAT_MARKER);
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uint32 tmp[1];
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((float *)tmp)[0] = value;
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tmp[0] = TO_LE_32(tmp[0]);
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rawWrite(&value, sizeof(value));
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}
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void OutputPersistenceBlock::write(bool value) {
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writeMarker(BOOL_MARKER);
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uint uintBool = value ? 1 : 0;
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uintBool = TO_LE_32(uintBool);
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rawWrite(&uintBool, sizeof(uintBool));
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}
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void OutputPersistenceBlock::writeString(const Common::String &string) {
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writeMarker(STRING_MARKER);
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write(string.size());
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rawWrite(string.c_str(), string.size());
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}
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void OutputPersistenceBlock::writeByteArray(Common::Array<byte> &value) {
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writeMarker(BLOCK_MARKER);
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write((uint)value.size());
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rawWrite(&value[0], value.size());
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}
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void OutputPersistenceBlock::writeMarker(byte marker) {
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_data.push_back(marker);
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}
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void OutputPersistenceBlock::rawWrite(const void *dataPtr, size_t size) {
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if (size > 0) {
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uint oldSize = _data.size();
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_data.resize(oldSize + size);
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memcpy(&_data[oldSize], dataPtr, size);
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}
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}
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} // End of namespace Sword25
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