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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "bladerunner/text_resource.h"
#include "bladerunner/bladerunner.h"
#include "common/debug.h"
#include "common/util.h"
namespace BladeRunner {
TextResource::TextResource(BladeRunnerEngine *vm)
: _vm(vm)
{
_count = 0;
_ids = nullptr;
_offsets = nullptr;
_strings = nullptr;
}
TextResource::~TextResource() {
delete[] _ids;
delete[] _offsets;
delete _strings;
}
bool TextResource::open(const char *name) {
assert(strlen(name) <= 8);
char resName[13];
sprintf(resName, "%s.TRE", name);
Common::SeekableReadStream *s = _vm->getResourceStream(resName);
if (!s)
return false;
_count = s->readUint32LE();
_ids = new uint32[_count];
_offsets = new uint32[_count + 1];
for (uint32 i = 0; i != _count; ++i) {
_ids[i] = s->readUint32LE();
}
for (uint32 i = 0; i != _count + 1; ++i) {
_offsets[i] = s->readUint32LE();
}
uint32 stringsStart = s->pos() - 4;
for (uint32 i = 0; i != _count + 1; ++i) {
_offsets[i] -= stringsStart;
}
uint32 remain = s->size() - s->pos();
_strings = new char[remain];
assert(remain >= _offsets[_count]);
s->read(_strings, remain);
return true;
}
const char *TextResource::getText(uint32 id) {
for (uint32 i = 0; i != _count; ++i) {
if (_ids[i] == id) {
return _strings + _offsets[i];
}
}
return nullptr;
}
} // End of namespace BladeRunner
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