scummvm/engines/lab/machine.cpp
2015-12-23 21:33:43 +01:00

149 lines
4.8 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/str.h"
#include "lab/lab.h"
#include "lab/stddefines.h"
namespace Lab {
/*****************************************************************************/
/* Scales the x co-ordinates to that of the new display. In the room parser */
/* file, co-ordinates are set up on a 360x336 display. */
/*****************************************************************************/
uint16 scaleX(uint16 x) {
if (g_lab->_isHiRes)
return (uint16)((x * 16) / 9);
else
return (uint16)((x * 8) / 9);
}
/*****************************************************************************/
/* Scales the y co-ordinates to that of the new display. In the room parser */
/* file, co-ordinates are set up on a 368x336 display. */
/*****************************************************************************/
uint16 scaleY(uint16 y) {
if (g_lab->_isHiRes)
return (y + (y / 14));
else
return ((y * 10) / 24);
}
/*****************************************************************************/
/* Scales the VGA cords to SVGA if necessary; otherwise, returns VGA cords. */
/*****************************************************************************/
int16 VGAScaleX(int16 x) {
if (g_lab->_isHiRes)
return (x * 2);
else
return x;
}
/*****************************************************************************/
/* Scales the VGA cords to SVGA if necessary; otherwise, returns VGA cords. */
/*****************************************************************************/
int16 VGAScaleY(int16 y) {
if (g_lab->_isHiRes)
return ((y * 12) / 5);
else
return y;
}
uint16 SVGACord(uint16 cord) {
if (g_lab->_isHiRes)
return cord;
else
return 0;
}
/*****************************************************************************/
/* Converts SVGA cords to VGA if necessary, otherwise returns VGA cords. */
/*****************************************************************************/
int VGAUnScaleX(int x) {
if (g_lab->_isHiRes)
return (x / 2);
else
return x;
}
/*****************************************************************************/
/* Converts SVGA cords to VGA if necessary, otherwise returns VGA cords. */
/*****************************************************************************/
int VGAUnScaleY(int y) {
if (g_lab->_isHiRes)
return ((y * 5) / 12);
else
return y;
}
static char NewFileName[255];
/*****************************************************************************/
/* Modifies the filename so that paths and stuff are correct. Should mostly */
/* deal with assigns and the '/' instead of '\' on IBM systems. */
/* */
/* NOTE: Make a *copy* of the string, and modify that. It would be a real */
/* *bad* idea to modify the original. Since Labyrinth only focuses its */
/* attention to one file at a time, it would be fine to have one variable */
/* not on the stack which is used to store the new filename. */
/*****************************************************************************/
char *translateFileName(const char *filename) {
Common::String fileNameStr = filename;
fileNameStr.toUppercase();
Common::String fileNameStrFinal;
if (fileNameStr.hasPrefix("P:")) {
if (g_lab->_isHiRes)
fileNameStrFinal = "GAME/SPICT/";
else
fileNameStrFinal = "GAME/PICT/";
} else if (fileNameStr.hasPrefix("LAB:"))
fileNameStrFinal = "GAME/";
else if (fileNameStr.hasPrefix("MUSIC:"))
fileNameStrFinal = "GAME/MUSIC/";
if (fileNameStr.contains(':')) {
while (fileNameStr[0] != ':') {
fileNameStr.deleteChar(0);
}
fileNameStr.deleteChar(0);
}
fileNameStrFinal += fileNameStr;
strcpy(NewFileName, fileNameStrFinal.c_str());
return NewFileName;
}
} // End of namespace Lab