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https://github.com/libretro/scummvm.git
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4fc3a88c5f
The Once Upon A Time games handle endianness different in ANI, DEC and RXY files than Geisha does. We need to support both approaches.
110 lines
2.7 KiB
C++
110 lines
2.7 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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#include "common/stream.h"
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#include "common/substream.h"
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#include "gob/rxyfile.h"
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namespace Gob {
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RXYFile::RXYFile(Common::SeekableReadStream &rxy) : _width(0), _height(0) {
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Common::SeekableSubReadStreamEndian sub(&rxy, 0, rxy.size(), false, DisposeAfterUse::NO);
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load(sub);
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}
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RXYFile::RXYFile(Common::SeekableSubReadStreamEndian &rxy) : _width(0), _height(0) {
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load(rxy);
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}
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RXYFile::RXYFile(uint16 width, uint16 height) : _realCount(1), _width(width), _height(height) {
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_coords.resize(1);
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_coords[0].left = 0;
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_coords[0].top = 0;
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_coords[0].right = _width - 1;
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_coords[0].bottom = _height - 1;
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}
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RXYFile::~RXYFile() {
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}
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uint RXYFile::size() const {
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return _coords.size();
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}
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uint16 RXYFile::getWidth() const {
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return _width;
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}
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uint16 RXYFile::getHeight() const {
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return _height;
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}
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uint16 RXYFile::getRealCount() const {
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return _realCount;
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}
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const RXYFile::Coordinates &RXYFile::operator[](uint i) const {
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assert(i < _coords.size());
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return _coords[i];
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}
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void RXYFile::load(Common::SeekableSubReadStreamEndian &rxy) {
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if (rxy.size() < 2)
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return;
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rxy.seek(0);
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_realCount = rxy.readUint16();
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uint16 count = (rxy.size() - 2) / 8;
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_coords.resize(count);
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for (CoordArray::iterator c = _coords.begin(); c != _coords.end(); ++c) {
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c->left = rxy.readUint16();
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c->right = rxy.readUint16();
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c->top = rxy.readUint16();
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c->bottom = rxy.readUint16();
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if (c->left != 0xFFFF) {
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_width = MAX<uint16>(_width , c->right + 1);
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_height = MAX<uint16>(_height, c->bottom + 1);
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}
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}
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}
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uint16 RXYFile::add(uint16 left, uint16 top, uint16 right, uint16 bottom) {
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_coords.resize(_coords.size() + 1);
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_coords.back().left = left;
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_coords.back().top = top;
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_coords.back().right = right;
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_coords.back().bottom = bottom;
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return _coords.size() - 1;
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}
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} // End of namespace Gob
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