97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
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/* 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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*
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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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*
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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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#include "bladerunner/text_resource.h"
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#include "bladerunner/bladerunner.h"
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#include "common/debug.h"
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#include "common/util.h"
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namespace BladeRunner {
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TextResource::TextResource(BladeRunnerEngine *vm)
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: _vm(vm)
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{
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_count = 0;
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_ids = nullptr;
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_offsets = nullptr;
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_strings = nullptr;
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}
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TextResource::~TextResource() {
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delete[] _ids;
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delete[] _offsets;
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delete _strings;
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}
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bool TextResource::open(const char *name) {
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assert(strlen(name) <= 8);
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char resName[13];
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sprintf(resName, "%s.TRE", name);
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Common::SeekableReadStream *s = _vm->getResourceStream(resName);
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if (!s)
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return false;
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_count = s->readUint32LE();
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_ids = new uint32[_count];
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_offsets = new uint32[_count + 1];
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for (uint32 i = 0; i != _count; ++i) {
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_ids[i] = s->readUint32LE();
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}
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for (uint32 i = 0; i != _count + 1; ++i) {
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_offsets[i] = s->readUint32LE();
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}
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uint32 stringsStart = s->pos() - 4;
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for (uint32 i = 0; i != _count + 1; ++i) {
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_offsets[i] -= stringsStart;
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}
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uint32 remain = s->size() - s->pos();
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_strings = new char[remain];
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assert(remain >= _offsets[_count]);
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s->read(_strings, remain);
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return true;
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}
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const char *TextResource::getText(uint32 id) {
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for (uint32 i = 0; i != _count; ++i) {
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if (_ids[i] == id) {
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return _strings + _offsets[i];
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}
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}
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return nullptr;
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}
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} // End of namespace BladeRunner
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