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873 lines
21 KiB
C++
873 lines
21 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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*
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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 "common/algorithm.h"
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#include "common/textconsole.h"
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#include "access/player.h"
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#include "access/access.h"
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#include "access/resources.h"
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#include "access/amazon/amazon_player.h"
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#include "access/martian/martian_player.h"
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namespace Access {
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Player *Player::init(AccessEngine *vm) {
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switch (vm->getGameID()) {
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case GType_Amazon:
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vm->_playerDataCount = 8;
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return new Amazon::AmazonPlayer(vm);
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case GType_MartianMemorandum:
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vm->_playerDataCount = 10;
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return new Martian::MartianPlayer(vm);
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default:
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vm->_playerDataCount = 8;
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return new Player(vm);
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}
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}
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Player::Player(AccessEngine *vm) : Manager(vm), ImageEntry() {
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_playerSprites = nullptr;
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_playerSprites1 = nullptr;
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_manPal1 = nullptr;
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_frameNumber = 0;
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_rawTempL = 0;
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_rawXTemp = 0;
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_rawYTempL = 0;
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_rawYTemp = 0;
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_playerXLow = 0;
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_playerX = 0;
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_playerYLow = 0;
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_playerY = 0;
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_frame = 0;
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_playerOff = false;
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_playerMove = false;
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_leftDelta = _rightDelta = 0;
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_upDelta = _downDelta = 0;
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_scrollConst = 0;
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_scrollFlag = false;
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_scrollThreshold = 0;
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_scrollAmount = 0;
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_scrollEnd = 0;
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_roomNumber = 0;
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_collideFlag = false;
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_move = NONE;
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_playerDirection = NONE;
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_xFlag = _yFlag = 0;
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_inactiveYOff = 0;
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_sideWalkMin = _sideWalkMax = 0;
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_upWalkMin = _upWalkMax = 0;
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_downWalkMin = _downWalkMax = 0;
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_diagUpWalkMin = _diagUpWalkMax = 0;
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_diagDownWalkMin = _diagDownWalkMax = 0;
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_walkOffRight = _walkOffLeft = nullptr;
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_walkOffUp = _walkOffDown = nullptr;
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_walkOffUR = _walkOffDR = nullptr;
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_walkOffUL = _walkOffDL = nullptr;
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}
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Player::~Player() {
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delete _playerSprites;
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delete[] _manPal1;
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delete[] _walkOffRight;
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delete[] _walkOffLeft;
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delete[] _walkOffUp;
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delete[] _walkOffDown;
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delete[] _walkOffUR;
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delete[] _walkOffDR;
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delete[] _walkOffUL;
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delete[] _walkOffDL;
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}
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void Player::load() {
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int dataCount = _vm->_playerDataCount;
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_walkOffRight = new int[dataCount];
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_walkOffLeft = new int[dataCount];
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_walkOffUp = new int[dataCount];
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_walkOffDown = new int[dataCount];
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_walkOffUR = new Common::Point[dataCount];
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_walkOffDR = new Common::Point[dataCount];
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_walkOffUL = new Common::Point[dataCount];
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_walkOffDL = new Common::Point[dataCount];
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_playerOffset.x = _vm->_screen->_scaleTable1[25];
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_playerOffset.y = _vm->_screen->_scaleTable1[67];
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_leftDelta = -3;
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_rightDelta = 33;
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_upDelta = 5;
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_downDelta = -10;
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_scrollConst = 5;
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_sideWalkMin = 0;
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_sideWalkMax = 7;
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_upWalkMin = 16;
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_upWalkMax = 23;
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_downWalkMin = 8;
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_downWalkMax = 15;
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_diagUpWalkMin = 0;
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_diagUpWalkMax = 7;
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_diagDownWalkMin = 0;
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_diagDownWalkMax = 7;
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_playerSprites = _playerSprites1;
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if (_manPal1) {
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// Those values are from MM as Amazon doesn't use it
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Common::copy(_manPal1 + 0x2A0, _manPal1 + 0x2A0 + 0x42, _vm->_screen->_manPal);
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} else {
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Common::fill(_vm->_screen->_manPal, _vm->_screen->_manPal + 0x60, 0);
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}
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}
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void Player::loadTexPalette() {
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Resource *texPal = _vm->_files->loadFile("TEXPAL.COL");
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int size = texPal->_size;
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assert(size == 768);
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_manPal1 = new byte[size];
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memcpy(_manPal1, texPal->data(), size);
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}
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void Player::loadSprites(const Common::String &name) {
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freeSprites();
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Resource *data = _vm->_files->loadFile(name);
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#if 0
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Common::DumpFile *outFile = new Common::DumpFile();
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Common::String outName = name + ".dump";
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outFile->open(outName);
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outFile->write(data->data(), data->_size);
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outFile->finalize();
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outFile->close();
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#endif
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_playerSprites1 = new SpriteResource(_vm, data);
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delete data;
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}
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void Player::freeSprites() {
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delete _playerSprites;
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_playerSprites1 = nullptr;
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_playerSprites = nullptr;
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}
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void Player::removeSprite1() {
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if (_playerSprites1) {
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delete _playerSprites1;
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_playerSprites1 = nullptr;
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}
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}
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void Player::calcManScale() {
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if (!_vm->_manScaleOff) {
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_vm->_scale = ((((_rawPlayer.y - _vm->_scaleMaxY + _vm->_scaleN1) *
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_vm->_scaleT1 + (_vm->_scaleH2 << 8)) & 0xff00) / _vm->_scaleH1 * _vm->_scaleI) >> 8;
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_vm->_screen->setScaleTable(_vm->_scale);
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_playerOffset.x = _vm->_screen->_scaleTable1[20];
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_playerOffset.y = _vm->_screen->_scaleTable1[67];
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_inactiveYOff = _playerOffset.y;
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}
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}
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void Player::walk() {
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_collideFlag = false;
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_playerDirection = NONE;
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if (_playerOff)
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return;
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else if (_vm->_timers[0]._flag) {
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plotCom3();
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return;
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}
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++_vm->_timers[0]._flag;
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switch (_move) {
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case UP:
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_playerMove = false;
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walkUp();
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break;
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case DOWN:
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_playerMove = false;
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walkDown();
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break;
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case LEFT:
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_playerMove = false;
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walkLeft();
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break;
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case RIGHT:
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_playerMove = false;
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walkRight();
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break;
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case UPLEFT:
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_playerMove = false;
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walkUpLeft();
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break;
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case DOWNLEFT:
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_playerMove = false;
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walkDownLeft();
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break;
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case UPRIGHT:
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_playerMove = false;
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walkUpRight();
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break;
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case DOWNRIGHT:
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_playerMove = false;
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walkDownRight();
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break;
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default:
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checkMove();
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break;
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}
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}
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void Player::calcPlayer() {
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Screen &scr = *_vm->_screen;
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scr._bufferStart.x = (_vm->_scrollCol << 4) + _vm->_scrollX;
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scr._bufferStart.y = (_vm->_scrollRow << 4) + _vm->_scrollY;
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_playerX = _rawPlayer.x - scr._bufferStart.x;
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_playerY = _rawPlayer.y - scr._bufferStart.y;
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}
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void Player::walkUp() {
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if (_frame > _upWalkMax || _frame < _upWalkMin)
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_frame = _upWalkMin;
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_playerDirection = UP;
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int walkOff = _walkOffUp[_frame - _upWalkMin];
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int tempL = _rawPlayerLow.y - _vm->_screen->_scaleTable2[walkOff];
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_rawYTempL = (byte)tempL;
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int yTemp = _rawPlayer.y - _vm->_screen->_scaleTable1[walkOff] -
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(tempL < 0 ? 1 : 0);
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_rawYTemp = yTemp;
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_rawXTemp = _rawPlayer.x;
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if (_vm->_room->codeWalls()) {
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plotCom2();
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} else {
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_rawPlayer.y = _rawYTemp;
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_rawPlayerLow.y = _rawYTempL;
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calcManScale();
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// This code looks totally useless as 'si' is unconditionally set in plotCom
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//if (_vm->_currentMan != 3 && (_frame == 17 || _frame == 21))
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// warning("TODO: walkUp - si = 0?");
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if (++_frame > _upWalkMax)
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_frame = _upWalkMin;
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plotCom(0);
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}
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}
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void Player::walkDown() {
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if (_frame > _downWalkMax || _frame < _downWalkMin)
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_frame = _downWalkMin;
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_playerDirection = DOWN;
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int walkOff = _walkOffDown[_frame - _downWalkMin];
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int tempL = _vm->_screen->_scaleTable2[walkOff] + _rawPlayerLow.y;
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_rawYTempL = (byte)tempL;
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_rawYTemp = _vm->_screen->_scaleTable1[walkOff] + _rawPlayer.y + (tempL >= 0x100 ? 1 : 0);
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_rawXTemp = _rawPlayer.x;
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if (_vm->_room->codeWalls()) {
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plotCom2();
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} else {
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_rawPlayer.y = _rawYTemp;
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_rawPlayerLow.y = _rawYTempL;
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calcManScale();
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// This code looks totally useless as 'si' is unconditionally set in plotCom
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//if (_vm->_currentMan != 3 && (_frame == 10 || _frame == 14))
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// warning("TODO: walkDown - si = 0?");
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if (++_frame > _downWalkMax)
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_frame = _downWalkMin;
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plotCom(0);
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}
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}
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void Player::walkLeft() {
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if (_frame > _sideWalkMax || _frame < _sideWalkMin)
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_frame = _sideWalkMin;
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_playerDirection = LEFT;
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bool flag = _scrollEnd == 1;
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if (!flag) {
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calcPlayer();
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flag = (_playerX - _vm->_screen->_scaleTable1[_scrollConst] -
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_vm->_player->_scrollThreshold) > 0;
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}
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if (flag) {
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int walkOffset = _walkOffLeft[_frame - _sideWalkMin];
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int tempL = _rawPlayerLow.x - _vm->_screen->_scaleTable2[walkOffset];
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_rawTempL = (byte)tempL;
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_rawXTemp = _rawPlayer.x - _vm->_screen->_scaleTable1[walkOffset] -
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(tempL < 0 ? 1 : 0);
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} else {
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_rawXTemp = _rawPlayer.x - _vm->_screen->_scaleTable1[_scrollConst];
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}
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_rawYTemp = _rawPlayer.y;
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if (_vm->_room->codeWalls()) {
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plotCom2();
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} else {
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_rawPlayer.x = _rawXTemp;
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_rawPlayerLow.x = _rawTempL;
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++_frame;
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// This code looks totally useless as 'si' is unconditionally set in plotCom1
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//if (_vm->_currentMan != 3 && (_frame == 1 || _frame == 5))
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// warning("TODO: walkLeft - si = 0?");
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if (_frame > _sideWalkMax)
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_frame = _sideWalkMin;
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plotCom1();
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}
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}
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void Player::walkRight() {
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if (_frame > _sideWalkMax || _frame < _sideWalkMin)
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_frame = _sideWalkMin;
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_playerDirection = RIGHT;
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bool flag = _scrollEnd == 2;
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if (!flag) {
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calcPlayer();
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flag = (_vm->_screen->_clipWidth - _playerX - _vm->_screen->_scaleTable1[_scrollConst] -
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_vm->_player->_scrollThreshold) > 0;
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}
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if (flag) {
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int walkOffset = _walkOffRight[_frame - _sideWalkMin];
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int tempL = _rawPlayerLow.x + _vm->_screen->_scaleTable2[walkOffset];
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_rawTempL = (byte)tempL;
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_rawXTemp = _rawPlayer.x + _vm->_screen->_scaleTable1[walkOffset] +
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(tempL >= 0x100 ? 1 : 0);
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} else {
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_rawXTemp = _rawPlayer.x + _vm->_screen->_scaleTable1[_scrollConst];
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}
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_rawYTemp = _rawPlayer.y;
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if (_vm->_room->codeWalls()) {
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plotCom2();
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} else {
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_rawPlayer.x = _rawXTemp;
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_rawPlayerLow.x = _rawTempL;
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++_frame;
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// Useless check removed
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if (_frame > _sideWalkMax)
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_frame = _sideWalkMin;
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plotCom0();
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}
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}
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void Player::walkUpLeft() {
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if (_frame > _diagUpWalkMax || _frame < _diagUpWalkMin)
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_frame = _diagUpWalkMin;
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_playerDirection = UPLEFT;
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int walkOffset, tempL;
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bool flag = _scrollEnd == 1;
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if (!flag) {
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calcPlayer();
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flag = (_playerX - _vm->_screen->_scaleTable1[_scrollConst] -
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_vm->_player->_scrollThreshold) > 0;
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}
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if (flag) {
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walkOffset = _walkOffUL[_frame - _diagUpWalkMin].x;
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tempL = _rawPlayerLow.x - _vm->_screen->_scaleTable2[walkOffset];
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_rawTempL = (byte)tempL;
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_rawXTemp = _rawPlayer.x - _vm->_screen->_scaleTable1[walkOffset] -
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(tempL < 0 ? 1 : 0);
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} else {
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_rawXTemp = _rawPlayer.x - _vm->_screen->_scaleTable1[_scrollConst];
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}
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walkOffset = _walkOffUL[_frame - _diagUpWalkMin].y;
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tempL = _rawPlayerLow.y - _vm->_screen->_scaleTable2[walkOffset];
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_rawYTempL = (byte)tempL;
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_rawYTemp = _rawPlayer.y - _vm->_screen->_scaleTable1[walkOffset] -
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(tempL < 0 ? 1 : 0);
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if (_vm->_room->codeWalls()) {
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plotCom2();
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} else {
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_rawPlayer.x = _rawXTemp;
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_rawPlayer.y = _rawYTemp;
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_rawPlayerLow.x = _rawTempL;
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_rawPlayerLow.y = _rawYTempL;
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++_frame;
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calcManScale();
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// This code looks totally useless as 'si' is unconditionally set in plotCom1
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//if (_vm->_currentMan != 3 && (_frame == 1 || _frame == 5))
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// warning("TODO: walkUpLeft - si = 0?");
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if (_frame > _diagUpWalkMax)
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_frame = _diagUpWalkMin;
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plotCom1();
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}
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}
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void Player::walkDownLeft() {
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if (_frame > _diagDownWalkMax || _frame < _diagDownWalkMin)
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_frame = _diagDownWalkMin;
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_playerDirection = DOWNLEFT;
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int walkOffset, tempL;
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bool flag = _scrollEnd == 1;
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if (!flag) {
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calcPlayer();
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flag = (_playerX - _vm->_screen->_scaleTable1[_scrollConst] -
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_vm->_player->_scrollThreshold) > 0;
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}
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if (flag) {
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walkOffset = _walkOffDL[_frame - _sideWalkMin].x;
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tempL = _rawPlayerLow.x - _vm->_screen->_scaleTable2[walkOffset];
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_rawTempL = (byte)tempL;
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_rawXTemp = _rawPlayer.x - _vm->_screen->_scaleTable1[walkOffset] -
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(tempL < 0 ? 1 : 0);
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} else {
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_rawXTemp = _rawPlayer.x - _vm->_screen->_scaleTable1[_scrollConst];
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}
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walkOffset = _walkOffDL[_frame - _diagDownWalkMin].y;
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tempL = _rawPlayerLow.y + _vm->_screen->_scaleTable2[walkOffset];
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_rawYTempL = (byte)tempL;
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_rawYTemp = _rawPlayer.y + _vm->_screen->_scaleTable1[walkOffset] +
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(tempL >= 0x100 ? 1 : 0);
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if (_vm->_room->codeWalls()) {
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plotCom2();
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} else {
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_rawPlayer.x = _rawXTemp;
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_rawPlayer.y = _rawYTemp;
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_rawPlayerLow.x = _rawTempL;
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_rawPlayerLow.y = _rawYTempL;
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++_frame;
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calcManScale();
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// This code looks totally useless as 'si' is unconditionally set in plotCom1
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//if (_vm->_currentMan != 3 && (_frame == 1 || _frame == 5))
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// warning("TODO: walkDownLeft - si = 0?");
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if (_frame > _diagDownWalkMax)
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_frame = _diagDownWalkMin;
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plotCom1();
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}
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}
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void Player::walkUpRight() {
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if (_frame > _diagUpWalkMax || _frame < _diagUpWalkMin)
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_frame = _diagUpWalkMin;
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_playerDirection = UPRIGHT;
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int walkOffset, tempL;
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bool flag = _scrollEnd == 1;
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if (!flag) {
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calcPlayer();
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flag = (_vm->_screen->_clipWidth - _playerX - _vm->_screen->_scaleTable1[_scrollConst] -
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_vm->_player->_scrollThreshold) > 0;
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}
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if (flag) {
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walkOffset = _walkOffUR[_frame - _diagUpWalkMin].x;
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tempL = _rawPlayerLow.x + _vm->_screen->_scaleTable2[walkOffset];
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_rawTempL = (byte)tempL;
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_rawXTemp = _rawPlayer.x + _vm->_screen->_scaleTable1[walkOffset] +
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(tempL >= 0x100 ? 1 : 0);
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} else {
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_rawXTemp = _rawPlayer.x + _vm->_screen->_scaleTable1[_scrollConst];
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}
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walkOffset = _walkOffUL[_frame - _diagUpWalkMin].y;
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tempL = _rawPlayerLow.y - _vm->_screen->_scaleTable2[walkOffset];
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_rawYTempL = (byte)tempL;
|
|
_rawYTemp = _rawPlayer.y - _vm->_screen->_scaleTable1[walkOffset] -
|
|
(tempL < 0 ? 1 : 0);
|
|
|
|
if (_vm->_room->codeWalls()) {
|
|
plotCom2();
|
|
} else {
|
|
_rawPlayer.x = _rawXTemp;
|
|
_rawPlayer.y = _rawYTemp;
|
|
_rawPlayerLow.x = _rawTempL;
|
|
_rawPlayerLow.y = _rawYTempL;
|
|
|
|
++_frame;
|
|
calcManScale();
|
|
|
|
// This code looks totally useless as 'si' is unconditionally set in plotCom
|
|
//if (_vm->_currentMan != 3 && (_frame == 1 || _frame == 5))
|
|
// warning("TODO: walkUpRight - si = 0?");
|
|
|
|
if (_frame > _diagUpWalkMax)
|
|
_frame = _diagUpWalkMin;
|
|
|
|
plotCom(0);
|
|
}
|
|
}
|
|
|
|
void Player::walkDownRight() {
|
|
if (_frame > _diagDownWalkMax || _frame < _diagDownWalkMin)
|
|
_frame = _diagDownWalkMin;
|
|
|
|
_playerDirection = DOWNRIGHT;
|
|
|
|
int walkOffset, tempL;
|
|
bool flag = _scrollEnd == 2;
|
|
if (!flag) {
|
|
calcPlayer();
|
|
flag = (_vm->_screen->_clipWidth - _playerX - _vm->_screen->_scaleTable1[_scrollConst] -
|
|
_vm->_player->_scrollThreshold) > 0;
|
|
}
|
|
if (flag) {
|
|
walkOffset = _walkOffUR[_frame - _diagDownWalkMin].x;
|
|
tempL = _rawPlayerLow.x + _vm->_screen->_scaleTable2[walkOffset];
|
|
_rawTempL = (byte)tempL;
|
|
_rawXTemp = _rawPlayer.x + _vm->_screen->_scaleTable1[walkOffset] +
|
|
(tempL >= 0x100 ? 1 : 0);
|
|
} else {
|
|
_rawXTemp = _rawPlayer.x + _vm->_screen->_scaleTable1[_scrollConst];
|
|
}
|
|
|
|
walkOffset = _walkOffDR[_frame - _diagDownWalkMin].y;
|
|
tempL = _rawPlayerLow.y + _vm->_screen->_scaleTable2[walkOffset];
|
|
_rawYTempL = (byte)tempL;
|
|
_rawYTemp = _rawPlayer.y + _vm->_screen->_scaleTable1[walkOffset] +
|
|
(tempL >= 0x100 ? 1 : 0);
|
|
|
|
if (_vm->_room->codeWalls()) {
|
|
plotCom2();
|
|
} else {
|
|
_rawPlayer.x = _rawXTemp;
|
|
_rawPlayer.y = _rawYTemp;
|
|
_rawPlayerLow.x = _rawTempL;
|
|
_rawPlayerLow.y = _rawYTempL;
|
|
|
|
calcManScale();
|
|
|
|
// This code looks totally useless as 'si' is unconditionally set in plotCom1
|
|
//if (_vm->_currentMan != 3 && (_frame == 1 || _frame == 5))
|
|
// warning("TODO: walkDownRight - si = 0?");
|
|
|
|
++_frame;
|
|
if (_frame > _diagDownWalkMax)
|
|
_frame = _diagDownWalkMin;
|
|
|
|
plotCom(0);
|
|
}
|
|
}
|
|
|
|
void Player::checkMove() {
|
|
if (_playerMove) {
|
|
if (_xFlag == 0 && _yFlag == 0) {
|
|
int xp = (_playerOffset.x / 2) + _rawPlayer.x - _moveTo.x;
|
|
if (xp < 0)
|
|
xp = -xp;
|
|
int yp = _rawPlayer.y - _moveTo.y;
|
|
if (yp < 0)
|
|
yp = -yp;
|
|
|
|
if (xp >= yp)
|
|
_xFlag = 1;
|
|
else
|
|
_yFlag = 1;
|
|
}
|
|
|
|
if (_yFlag == 1) {
|
|
int yd = _rawPlayer.y - _moveTo.y;
|
|
if ((yd >= 0 && yd <= _upDelta) || (yd < 0 && -yd <= _upDelta)) {
|
|
++_yFlag;
|
|
if (_xFlag) {
|
|
_playerMove = false;
|
|
_xFlag = _yFlag = 0;
|
|
} else {
|
|
++_xFlag;
|
|
}
|
|
} else {
|
|
if (yd >= 0)
|
|
walkUp();
|
|
else
|
|
walkDown();
|
|
|
|
if (_collideFlag) {
|
|
_playerMove = false;
|
|
_xFlag = _yFlag = 0;
|
|
}
|
|
}
|
|
} else if (_xFlag == 1) {
|
|
int xd = (_playerOffset.x / 2) + _rawPlayer.x - _moveTo.x;
|
|
if ((xd >= 0 && xd <= -_leftDelta) || (xd < 0 && -xd <= -_leftDelta)) {
|
|
++_xFlag;
|
|
|
|
if (_yFlag) {
|
|
_playerMove = false;
|
|
_xFlag = _yFlag = 0;
|
|
}
|
|
} else {
|
|
if (xd >= 0)
|
|
walkLeft();
|
|
else
|
|
walkRight();
|
|
|
|
if (_collideFlag) {
|
|
_playerMove = false;
|
|
_xFlag = _yFlag = 0;
|
|
}
|
|
}
|
|
} else if (!_yFlag) {
|
|
++_yFlag;
|
|
} else {
|
|
_playerMove = false;
|
|
_xFlag = _yFlag = 0;
|
|
}
|
|
}
|
|
|
|
plotCom3();
|
|
}
|
|
|
|
void Player::plotCom(int flags) {
|
|
_flags &= ~IMGFLAG_BACKWARDS;
|
|
_flags &= ~IMGFLAG_UNSCALED;
|
|
_flags |= flags;
|
|
|
|
plotCom3();
|
|
}
|
|
|
|
void Player::plotCom0() {
|
|
plotCom(_vm->getGameID() == GType_Amazon ? 0 : IMGFLAG_BACKWARDS);
|
|
}
|
|
|
|
void Player::plotCom1() {
|
|
plotCom(_vm->getGameID() == GType_Amazon ? IMGFLAG_BACKWARDS : 0);
|
|
}
|
|
|
|
void Player::plotCom2() {
|
|
// WORKAROUND: Amazon has at least one cutscene with the player not properly turned off
|
|
if (!_playerOff && _spritesPtr != nullptr)
|
|
_vm->_images.addToList(*this);
|
|
}
|
|
|
|
void Player::plotCom3() {
|
|
// Update the base ImageEntry fields for the player
|
|
_position.x = _rawPlayer.x;
|
|
_position.y = _rawPlayer.y - _playerOffset.y;
|
|
_offsetY = _playerOffset.y;
|
|
_spritesPtr = _playerSprites;
|
|
_frameNumber = _frame;
|
|
|
|
plotCom2();
|
|
}
|
|
|
|
void Player::checkScrollUp() {
|
|
if ((_playerDirection == DOWNRIGHT || _playerDirection == DOWNLEFT ||
|
|
_playerDirection == DOWN) && (_vm->_screen->_clipHeight -
|
|
_playerY - _scrollThreshold) <= 0) {
|
|
// Scroll up
|
|
if (scrollUp()) {
|
|
_scrollEnd = 4;
|
|
_vm->_scrollY &= TILE_HEIGHT;
|
|
_scrollFlag = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
void Player::checkScroll() {
|
|
_scrollFlag = false;
|
|
if (_playerDirection == NONE)
|
|
return;
|
|
|
|
if ((_playerDirection == UPLEFT || _playerDirection == DOWNLEFT ||
|
|
_playerDirection == LEFT) && _playerX <= _scrollThreshold) {
|
|
// Scroll right
|
|
if (!scrollRight()) {
|
|
if (_playerDirection == DOWNLEFT)
|
|
checkScrollUp();
|
|
|
|
return;
|
|
}
|
|
} else if ((_playerDirection == UPRIGHT || _playerDirection == DOWNRIGHT ||
|
|
_playerDirection == RIGHT) && (_vm->_screen->_clipWidth -
|
|
_playerX - _scrollThreshold) <= 0) {
|
|
// Scroll left
|
|
if (!scrollLeft()) {
|
|
if (_playerDirection == DOWNRIGHT)
|
|
checkScrollUp();
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
if ((_playerDirection == UPRIGHT || _playerDirection == UPLEFT ||
|
|
_playerDirection == UP) && _playerY <= _scrollThreshold) {
|
|
scrollDown();
|
|
} else {
|
|
checkScrollUp();
|
|
}
|
|
}
|
|
|
|
bool Player::scrollUp(int forcedAmount) {
|
|
if (forcedAmount == -1)
|
|
_scrollAmount = -(_vm->_screen->_clipHeight - _playerY - _scrollThreshold);
|
|
else
|
|
_scrollAmount = forcedAmount;
|
|
|
|
if ((_vm->_scrollRow + _vm->_screen->_vWindowHeight) >=
|
|
_vm->_room->_playFieldHeight)
|
|
return true;
|
|
|
|
_scrollFlag = true;
|
|
_vm->_scrollY = _vm->_scrollY + _scrollAmount;
|
|
|
|
while (_vm->_scrollY >= TILE_HEIGHT && !_vm->shouldQuit()) {
|
|
_vm->_scrollY -= TILE_HEIGHT;
|
|
++_vm->_scrollRow;
|
|
_vm->_buffer1.moveBufferUp();
|
|
|
|
_vm->_room->buildRow(_vm->_scrollRow + _vm->_screen->_vWindowHeight,
|
|
_vm->_screen->_vWindowLinesTall);
|
|
|
|
if ((_vm->_scrollRow + _vm->_screen->_vWindowHeight) >=
|
|
_vm->_room->_playFieldHeight)
|
|
return true;
|
|
|
|
if (_vm->_scrollY <= TILE_HEIGHT)
|
|
return false;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool Player::scrollDown(int forcedAmount) {
|
|
if (forcedAmount == -1)
|
|
_scrollAmount = -(_playerY - _scrollThreshold);
|
|
else
|
|
_scrollAmount = forcedAmount;
|
|
|
|
_scrollFlag = true;
|
|
_vm->_scrollY -= _scrollAmount;
|
|
if (_vm->_scrollY >= 0)
|
|
return true;
|
|
|
|
do {
|
|
_vm->_scrollY += TILE_HEIGHT;
|
|
if (--_vm->_scrollRow < 0)
|
|
break;
|
|
|
|
_vm->_buffer1.moveBufferDown();
|
|
_vm->_room->buildRow(_vm->_scrollRow, 0);
|
|
|
|
if (_vm->_scrollY >= 0)
|
|
return false;
|
|
} while (!_vm->shouldQuit());
|
|
|
|
_scrollEnd = 3;
|
|
_vm->_scrollY = 0;
|
|
_vm->_scrollRow = 0;
|
|
return true;
|
|
}
|
|
|
|
bool Player::scrollLeft(int forcedAmount) {
|
|
Screen &screen = *_vm->_screen;
|
|
if (forcedAmount == -1)
|
|
_scrollAmount = -(_vm->_screen->_clipWidth - _playerX - _scrollThreshold);
|
|
else
|
|
_scrollAmount = forcedAmount;
|
|
|
|
if ((_vm->_scrollCol + screen._vWindowWidth) == _vm->_room->_playFieldWidth) {
|
|
_scrollEnd = 2;
|
|
_vm->_scrollX = 0;
|
|
_scrollFlag = true;
|
|
return true;
|
|
} else {
|
|
_scrollFlag = true;
|
|
_vm->_scrollX = _vm->_scrollX + _scrollAmount;
|
|
|
|
do {
|
|
if (_vm->_scrollX < TILE_WIDTH)
|
|
return true;
|
|
|
|
_vm->_scrollX -= TILE_WIDTH;
|
|
++_vm->_scrollCol;
|
|
_vm->_buffer1.moveBufferLeft();
|
|
_vm->_room->buildColumn(_vm->_scrollCol + screen._vWindowWidth,
|
|
screen._vWindowBytesWide);
|
|
} while (!_vm->shouldQuit() && (_vm->_scrollX >= TILE_WIDTH));
|
|
|
|
return (_playerDirection == UPRIGHT);
|
|
}
|
|
}
|
|
|
|
bool Player::scrollRight(int forcedAmount) {
|
|
if (forcedAmount == -1)
|
|
_scrollAmount = -(_playerX - _scrollThreshold);
|
|
else
|
|
_scrollAmount = forcedAmount;
|
|
|
|
_scrollFlag = true;
|
|
_vm->_scrollX -= _scrollAmount;
|
|
|
|
if (_vm->_scrollX < 0) {
|
|
do {
|
|
_vm->_scrollX += TILE_WIDTH;
|
|
if (--_vm->_scrollCol < 0) {
|
|
_scrollEnd = true;
|
|
_vm->_scrollX = 0;
|
|
_vm->_scrollCol = 0;
|
|
return true;
|
|
}
|
|
|
|
_vm->_buffer1.moveBufferRight();
|
|
_vm->_room->buildColumn(_vm->_scrollCol, 0);
|
|
} while (!_vm->shouldQuit() && (_vm->_scrollX < 0));
|
|
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void Player::synchronize(Common::Serializer &s) {
|
|
s.syncAsUint16LE(_roomNumber);
|
|
s.syncAsSint16LE(_rawPlayerLow.x);
|
|
s.syncAsSint16LE(_rawPlayer.x);
|
|
s.syncAsSint16LE(_rawPlayerLow.y);
|
|
s.syncAsSint16LE(_rawPlayer.y);
|
|
}
|
|
|
|
} // End of namespace Access
|