scummvm/engines/gob/cmpfile.cpp
2021-12-26 18:48:43 +01:00

261 lines
6.4 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/stream.h"
#include "common/substream.h"
#include "common/str.h"
#include "gob/gob.h"
#include "gob/util.h"
#include "gob/surface.h"
#include "gob/video.h"
#include "gob/dataio.h"
#include "gob/rxyfile.h"
#include "gob/cmpfile.h"
namespace Gob {
CMPFile::CMPFile(GobEngine *vm, const Common::String &baseName,
uint16 width, uint16 height, uint8 bpp) :
_vm(vm), _width(width), _height(height), _bpp(bpp), _maxWidth(0), _maxHeight(0),
_surface(nullptr), _coordinates(nullptr) {
if (baseName.empty())
return;
const Common::String rxyFile = Util::setExtension(baseName, ".RXY");
const Common::String cmpFile = Util::setExtension(baseName, ".CMP");
if (!_vm->_dataIO->hasFile(cmpFile))
return;
loadRXY(rxyFile);
createSurface();
loadCMP(cmpFile);
}
CMPFile::CMPFile(GobEngine *vm, const Common::String &cmpFile, const Common::String &rxyFile,
uint16 width, uint16 height, uint8 bpp) :
_vm(vm), _width(width), _height(height), _bpp(bpp), _maxWidth(0), _maxHeight(0),
_surface(nullptr), _coordinates(nullptr) {
if (cmpFile.empty() || !_vm->_dataIO->hasFile(cmpFile))
return;
loadRXY(rxyFile);
createSurface();
loadCMP(cmpFile);
}
CMPFile::CMPFile(GobEngine *vm, Common::SeekableReadStream &cmp, Common::SeekableReadStream &rxy,
uint16 width, uint16 height, uint8 bpp) :
_vm(vm), _width(width), _height(height), _bpp(bpp), _maxWidth(0), _maxHeight(0),
_surface(nullptr), _coordinates(nullptr) {
loadRXY(rxy);
createSurface();
loadCMP(cmp);
}
CMPFile::CMPFile(GobEngine *vm, Common::SeekableReadStream &cmp,
uint16 width, uint16 height, uint8 bpp) :
_vm(vm), _width(width), _height(height), _bpp(bpp), _maxWidth(0), _maxHeight(0),
_surface(nullptr), _coordinates(nullptr) {
createRXY();
createSurface();
loadCMP(cmp);
}
CMPFile::~CMPFile() {
delete _surface;
delete _coordinates;
}
bool CMPFile::empty() const {
return (_surface == nullptr) || (_coordinates == nullptr);
}
uint16 CMPFile::getSpriteCount() const {
if (empty())
return 0;
return _coordinates->size();
}
void CMPFile::loadCMP(const Common::String &cmp) {
Common::SeekableReadStream *dataCMP = _vm->_dataIO->getFile(cmp);
if (!dataCMP)
return;
loadCMP(*dataCMP);
delete dataCMP;
}
void CMPFile::loadRXY(const Common::String &rxy) {
Common::SeekableReadStream *dataRXY = nullptr;
if (!rxy.empty())
dataRXY = _vm->_dataIO->getFile(rxy);
if (dataRXY)
loadRXY(*dataRXY);
else
createRXY();
_height = _coordinates->getHeight();
delete dataRXY;
}
void CMPFile::loadCMP(Common::SeekableReadStream &cmp) {
uint32 size = cmp.size();
byte *data = new byte[size];
if (cmp.read(data, size) != size) {
delete[] data;
return;
}
_vm->_video->drawPackedSprite(data, _surface->getWidth(), _surface->getHeight(), 0, 0, 0, *_surface);
delete[] data;
}
void CMPFile::loadRXY(Common::SeekableReadStream &rxy) {
bool bigEndian = (_vm->getEndiannessMethod() == kEndiannessMethodBE) ||
((_vm->getEndiannessMethod() == kEndiannessMethodSystem) &&
(_vm->getEndianness() == kEndiannessBE));
Common::SeekableSubReadStreamEndian sub(&rxy, 0, rxy.size(), bigEndian, DisposeAfterUse::NO);
_coordinates = new RXYFile(sub);
for (uint i = 0; i < _coordinates->size(); i++) {
const RXYFile::Coordinates &c = (*_coordinates)[i];
if (c.left == 0xFFFF)
continue;
const uint16 width = c.right - c.left + 1;
const uint16 height = c.bottom - c.top + 1;
_maxWidth = MAX(_maxWidth , width);
_maxHeight = MAX(_maxHeight, height);
}
}
void CMPFile::createRXY() {
_coordinates = new RXYFile(_width, _height);
_maxWidth = _width;
_maxHeight = _height;
}
void CMPFile::createSurface() {
if (_width == 0)
_width = 320;
if (_height == 0)
_height = 200;
_surface = new Surface(_width, _height, _bpp);
}
bool CMPFile::getCoordinates(uint16 sprite, uint16 &left, uint16 &top, uint16 &right, uint16 &bottom) const {
if (empty() || (sprite >= _coordinates->size()))
return false;
left = (*_coordinates)[sprite].left;
top = (*_coordinates)[sprite].top;
right = (*_coordinates)[sprite].right;
bottom = (*_coordinates)[sprite].bottom;
return left != 0xFFFF;
}
uint16 CMPFile::getWidth(uint16 sprite) const {
if (empty() || (sprite >= _coordinates->size()))
return 0;
return (*_coordinates)[sprite].right - (*_coordinates)[sprite].left + 1;
}
uint16 CMPFile::getHeight(uint16 sprite) const {
if (empty() || (sprite >= _coordinates->size()))
return 0;
return (*_coordinates)[sprite].bottom - (*_coordinates)[sprite].top + 1;
}
void CMPFile::getMaxSize(uint16 &width, uint16 &height) const {
width = _maxWidth;
height = _maxHeight;
}
void CMPFile::draw(Surface &dest, uint16 sprite, uint16 x, uint16 y, int32 transp) const {
if (empty())
return;
if (sprite >= _coordinates->size())
return;
const RXYFile::Coordinates &coords = (*_coordinates)[sprite];
draw(dest, coords.left, coords.top, coords.right, coords.bottom, x, y, transp);
}
void CMPFile::draw(Surface &dest, uint16 left, uint16 top, uint16 right, uint16 bottom,
uint16 x, uint16 y, int32 transp) const {
if (!_surface)
return;
if (left == 0xFFFF)
return;
dest.blit(*_surface, left, top, right, bottom, x, y, transp);
}
uint16 CMPFile::addSprite(uint16 left, uint16 top, uint16 right, uint16 bottom) {
if (empty())
return 0;
const uint16 height = bottom - top + 1;
const uint16 width = right - left + 1;
_maxWidth = MAX(_maxWidth , width);
_maxHeight = MAX(_maxHeight, height);
return _coordinates->add(left, top, right, bottom);
}
void CMPFile::recolor(uint8 from, uint8 to) {
if (_surface)
_surface->recolor(from, to);
}
} // End of namespace Gob