scummvm/engines/lab/speciallocks.cpp
Filippos Karapetis 31d47d6be2 LAB: Bugfixes for the lowres DOS version
The lowres DOS version should be working properly now
2016-01-08 02:01:28 +02:00

391 lines
9.6 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 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.
*
*/
/*
* This code is based on Labyrinth of Time code with assistance of
*
* Copyright (c) 1993 Terra Nova Development
* Copyright (c) 2004 The Wyrmkeep Entertainment Co.
*
*/
#include "common/file.h"
#include "gui/message.h"
#include "lab/lab.h"
#include "lab/anim.h"
#include "lab/dispman.h"
#include "lab/image.h"
#include "lab/labsets.h"
#include "lab/resource.h"
#include "lab/speciallocks.h"
#include "lab/utils.h"
namespace Lab {
#define BRICKOPEN 115
#define COMBINATIONUNLOCKED 130
enum TileScroll {
kScrollLeft = 1,
kScrollRight = 2,
kScrollUp = 3,
kScrollDown = 4
};
const uint16 INIT_TILE[4][4] = {
{ 1, 5, 9, 13 },
{ 2, 6, 10, 14 },
{ 3, 7, 11, 15 },
{ 4, 8, 12, 0 }
};
const uint16 SOLUTION[4][4] = {
{ 7, 1, 8, 3 },
{ 2, 11, 15, 4 },
{ 9, 5, 14, 6 },
{ 10, 13, 12, 0 }
};
const int COMBINATION_X[6] = { 45, 83, 129, 166, 211, 248 };
SpecialLocks::SpecialLocks(LabEngine *vm) : _vm(vm) {
for (int i = 0; i < 16; i++)
_tiles[i] = nullptr;
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++)
_curTile[i][j] = INIT_TILE[i][j];
}
for (int i = 0; i < 6; i++)
_combination[i] = 0;
for (int i = 0; i < 10; i++)
_numberImages[i] = nullptr;
}
SpecialLocks::~SpecialLocks() {
for (int i = 0; i < 16; i++)
delete _tiles[i];
for (int imgIdx = 0; imgIdx < 10; imgIdx++) {
delete _numberImages[imgIdx];
_numberImages[imgIdx] = nullptr;
}
}
void SpecialLocks::tileClick(Common::Point pos) {
Common::Point realPos = _vm->_utils->vgaUnscale(pos);
if ((realPos.x < 101) || (realPos.y < 26))
return;
int tileX = (realPos.x - 101) / 30;
int tileY = (realPos.y - 26) / 25;
if ((tileX < 4) && (tileY < 4))
changeTile(tileX, tileY);
}
void SpecialLocks::changeTile(uint16 col, uint16 row) {
int16 scrolltype = -1;
if (row > 0) {
if (_curTile[col][row - 1] == 0) {
_curTile[col][row - 1] = _curTile[col][row];
_curTile[col][row] = 0;
scrolltype = kScrollDown;
}
}
if (col > 0) {
if (_curTile[col - 1][row] == 0) {
_curTile[col - 1][row] = _curTile[col][row];
_curTile[col][row] = 0;
scrolltype = kScrollRight;
}
}
if (row < 3) {
if (_curTile[col][row + 1] == 0) {
_curTile[col][row + 1] = _curTile[col][row];
_curTile[col][row] = 0;
scrolltype = kScrollUp;
}
}
if (col < 3) {
if (_curTile[col + 1][row] == 0) {
_curTile[col + 1][row] = _curTile[col][row];
_curTile[col][row] = 0;
scrolltype = kScrollLeft;
}
}
if (scrolltype != -1) {
if (_vm->getFeatures() & GF_WINDOWS_TRIAL) {
GUI::MessageDialog trialMessage("This puzzle is not available in the trial version of the game");
trialMessage.runModal();
return;
}
doTileScroll(col, row, scrolltype);
bool check = true;
row = 0;
col = 0;
while (row < 4) {
while (col < 4) {
check &= (_curTile[row][col] == SOLUTION[row][col]);
col++;
}
row++;
col = 0;
}
if (check) {
// unlocked combination
_vm->_conditions->inclElement(BRICKOPEN);
_vm->_anim->_doBlack = true;
_vm->_graphics->readPict("p:Up/BDOpen");
}
}
}
void SpecialLocks::combinationClick(Common::Point pos) {
Common::Point realPos = _vm->_utils->vgaUnscale(pos);
if (!Common::Rect(44, 63, 285, 99).contains(realPos))
return;
uint16 number = 0;
if (realPos.x < 83)
number = 0;
else if (realPos.x < 127)
number = 1;
else if (realPos.x < 165)
number = 2;
else if (realPos.x < 210)
number = 3;
else if (realPos.x < 245)
number = 4;
else if (realPos.x < 286)
number = 5;
changeCombination(number);
}
void SpecialLocks::doTile(bool showsolution) {
uint16 row = 0, col = 0, rowm, colm, num;
int16 rows, cols;
if (showsolution) {
rowm = _vm->_utils->vgaScaleY(23);
colm = _vm->_utils->vgaScaleX(27);
rows = _vm->_utils->vgaScaleY(31);
cols = _vm->_utils->vgaScaleX(105);
} else {
_vm->_graphics->rectFillScaled(97, 22, 220, 126, 0);
rowm = _vm->_utils->vgaScaleY(25);
colm = _vm->_utils->vgaScaleX(30);
rows = _vm->_utils->vgaScaleY(25);
cols = _vm->_utils->vgaScaleX(100);
}
while (row < 4) {
while (col < 4) {
if (showsolution)
num = SOLUTION[col][row];
else
num = _curTile[col][row];
if (showsolution || num)
_tiles[num]->drawImage(cols + (col * colm), rows + (row * rowm));
col++;
}
row++;
col = 0;
}
}
void SpecialLocks::showTileLock(const Common::String filename, bool showSolution) {
_vm->_anim->_doBlack = true;
_vm->_anim->_noPalChange = true;
_vm->_graphics->readPict(filename);
_vm->_anim->_noPalChange = false;
_vm->_graphics->blackScreen();
Common::File *tileFile = _vm->_resource->openDataFile(showSolution ? "P:TileSolution" : "P:Tile");
int start = showSolution ? 0 : 1;
for (int curBit = start; curBit < 16; curBit++)
_tiles[curBit] = new Image(tileFile, _vm);
delete tileFile;
doTile(showSolution);
_vm->_graphics->setPalette(_vm->_anim->_diffPalette, 256);
}
void SpecialLocks::doTileScroll(uint16 col, uint16 row, uint16 scrolltype) {
int16 dX = 0, dY = 0, dx = 0, dy = 0, sx = 0, sy = 0;
int last = 0;
if (scrolltype == kScrollLeft) {
dX = _vm->_utils->vgaScaleX(5);
sx = _vm->_utils->vgaScaleX(5);
last = 6;
} else if (scrolltype == kScrollRight) {
dX = _vm->_utils->vgaScaleX(-5);
dx = _vm->_utils->vgaScaleX(-5);
sx = _vm->_utils->vgaScaleX(5);
last = 6;
} else if (scrolltype == kScrollUp) {
dY = _vm->_utils->vgaScaleY(5);
sy = _vm->_utils->vgaScaleY(5);
last = 5;
} else if (scrolltype == kScrollDown) {
dY = _vm->_utils->vgaScaleY(-5);
dy = _vm->_utils->vgaScaleY(-5);
sy = _vm->_utils->vgaScaleY(5);
last = 5;
}
sx += _vm->_utils->svgaCord(2);
uint16 x1 = _vm->_utils->vgaScaleX(100) + (col * _vm->_utils->vgaScaleX(30)) + dx;
uint16 y1 = _vm->_utils->vgaScaleY(25) + (row * _vm->_utils->vgaScaleY(25)) + dy;
byte *buffer = new byte[_tiles[1]->_width * _tiles[1]->_height * 2];
for (int i = 0; i < last; i++) {
_vm->waitTOF();
scrollRaster(dX, dY, x1, y1, x1 + _vm->_utils->vgaScaleX(28) + sx, y1 + _vm->_utils->vgaScaleY(23) + sy, buffer);
x1 += dX;
y1 += dY;
}
delete[] buffer;
}
void SpecialLocks::scrollRaster(int16 dx, int16 dy, uint16 x1, uint16 y1, uint16 x2, uint16 y2, byte *buffer) {
if (dx)
_vm->_graphics->scrollDisplayX(dx, x1, y1, x2, y2, buffer);
if (dy)
_vm->_graphics->scrollDisplayY(dy, x1, y1, x2, y2, buffer);
}
void SpecialLocks::changeCombination(uint16 number) {
const int solution[6] = { 0, 4, 0, 8, 7, 2 };
Image display(_vm);
if (_combination[number] < 9)
(_combination[number])++;
else
_combination[number] = 0;
uint16 combnum = _combination[number];
display.setData(_vm->_graphics->getCurrentDrawingBuffer(), false);
display._width = _vm->_graphics->_screenWidth;
display._height = _vm->_graphics->_screenHeight;
byte *buffer = new byte[_numberImages[1]->_width * _numberImages[1]->_height * 2];
for (int i = 1; i <= (_numberImages[combnum]->_height / 2); i++) {
if (i & 1)
_vm->waitTOF();
display.setData(_vm->_graphics->getCurrentDrawingBuffer(), false);
_vm->_graphics->scrollDisplayY(2, _vm->_utils->vgaScaleX(COMBINATION_X[number]), _vm->_utils->vgaScaleY(65), _vm->_utils->vgaScaleX(COMBINATION_X[number]) + (_numberImages[combnum])->_width - 1, _vm->_utils->vgaScaleY(65) + (_numberImages[combnum])->_height, buffer);
_numberImages[combnum]->blitBitmap(0, (_numberImages[combnum])->_height - (2 * i), &(display), _vm->_utils->vgaScaleX(COMBINATION_X[number]), _vm->_utils->vgaScaleY(65), (_numberImages[combnum])->_width, 2, false);
}
delete[] buffer;
bool unlocked = true;
for (int i = 0; i < 6; i++)
unlocked &= (_combination[i] == solution[i]);
if (unlocked)
_vm->_conditions->inclElement(COMBINATIONUNLOCKED);
else
_vm->_conditions->exclElement(COMBINATIONUNLOCKED);
}
void SpecialLocks::showCombinationLock(const Common::String filename) {
_vm->_anim->_doBlack = true;
_vm->_anim->_noPalChange = true;
_vm->_graphics->readPict(filename);
_vm->_anim->_noPalChange = false;
_vm->_graphics->blackScreen();
Common::File *numFile = _vm->_resource->openDataFile("P:Numbers");
for (int i = 0; i < 10; i++) {
_numberImages[i] = new Image(numFile, _vm);
}
delete numFile;
for (int i = 0; i <= 5; i++)
_numberImages[_combination[i]]->drawImage(_vm->_utils->vgaScaleX(COMBINATION_X[i]), _vm->_utils->vgaScaleY(65));
_vm->_graphics->setPalette(_vm->_anim->_diffPalette, 256);
}
void SpecialLocks::save(Common::OutSaveFile *file) {
// Combination lock
for (int i = 0; i < 6; i++)
file->writeByte(_combination[i]);
// Tiles
for (int i = 0; i < 4; i++)
for (int j = 0; j < 4; j++)
file->writeUint16LE(_curTile[i][j]);
}
void SpecialLocks::load(Common::InSaveFile *file) {
// Combination lock
for (int i = 0; i < 6; i++)
_combination[i] = file->readByte();
// Tiles
for (int i = 0; i < 4; i++)
for (int j = 0; j < 4; j++)
_curTile[i][j] = file->readUint16LE();
}
} // End of namespace Lab