mirror of
https://github.com/libretro/scummvm.git
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107 lines
2.9 KiB
C++
107 lines
2.9 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "engines/grim/objectstate.h"
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#include "engines/grim/savegame.h"
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#include "engines/grim/resource.h"
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#include "engines/grim/bitmap.h"
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namespace Grim {
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ObjectState::ObjectState(int setup, ObjectState::Position position, const char *bitmap, const char *zbitmap, bool transparency) :
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_setupID(setup), _pos(position), _visibility(false) {
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_bitmap = Bitmap::create(bitmap);
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if (zbitmap) {
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_zbitmap = Bitmap::create(zbitmap);
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} else
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_zbitmap = nullptr;
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}
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ObjectState::ObjectState() :
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_bitmap(nullptr), _zbitmap(nullptr) {
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}
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ObjectState::~ObjectState() {
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delete _bitmap;
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delete _zbitmap;
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}
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const Common::String &ObjectState::getBitmapFilename() const {
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return _bitmap->getFilename();
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}
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void ObjectState::setActiveImage(int val) {
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if (val) {
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assert(_bitmap);
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_bitmap->setActiveImage(val);
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if (_zbitmap && val <= _zbitmap->getNumImages()) {
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_zbitmap->setActiveImage(val);
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}
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}
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_visibility = val != 0;
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}
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void ObjectState::draw() {
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if (!_visibility)
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return;
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assert(_bitmap);
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_bitmap->draw();
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// The only OBJSTATE_UNDERLAY which has a zbuffer is the bonewagon in set bv. Original doesn't draw that zbuffer,
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// so we don't either, otherwise this bug will appear: https://github.com/residualvm/residualvm/issues/143
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if (_zbitmap && _pos != OBJSTATE_UNDERLAY)
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_zbitmap->draw();
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}
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void ObjectState::saveState(SaveGame *savedState) const {
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savedState->writeBool(_visibility);
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savedState->writeLESint32(_setupID);
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savedState->writeLESint32(_pos);
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//_bitmap
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if (_bitmap) {
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savedState->writeLESint32(_bitmap->getId());
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} else {
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savedState->writeLESint32(0);
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}
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//_zbitmap
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if (_zbitmap) {
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savedState->writeLESint32(_zbitmap->getId());
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} else {
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savedState->writeLESint32(0);
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}
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}
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bool ObjectState::restoreState(SaveGame *savedState) {
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_visibility = savedState->readBool();
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_setupID = savedState->readLESint32();
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_pos = (Position) savedState->readLESint32();
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_bitmap = Bitmap::getPool().getObject(savedState->readLESint32());
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_zbitmap = Bitmap::getPool().getObject(savedState->readLESint32());
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return true;
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}
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} // end of namespace Grim
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