mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-15 06:08:35 +00:00
87 lines
2.2 KiB
C++
87 lines
2.2 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 "lab/stddefines.h"
|
|
#include "lab/labfun.h"
|
|
|
|
namespace Lab {
|
|
|
|
LargeSet::LargeSet(uint16 last) {
|
|
last = (((last + 15) >> 4) << 4);
|
|
|
|
_array = (uint16 *)calloc(last >> 3, 2);
|
|
_lastElement = last;
|
|
}
|
|
|
|
LargeSet::~LargeSet() {
|
|
free(_array);
|
|
}
|
|
|
|
bool LargeSet::in(uint16 element) {
|
|
return ((1 << ((element - 1) % 16)) & (_array[(element - 1) >> 4])) > 0;
|
|
}
|
|
|
|
void LargeSet::inclElement(uint16 element) {
|
|
_array[(element - 1) >> 4] |= 1 << ((element - 1) % 16);
|
|
}
|
|
|
|
void LargeSet::exclElement(uint16 element) {
|
|
_array[(element - 1) >> 4] &= ~(1 << ((element - 1) % 16));
|
|
}
|
|
|
|
bool LargeSet::readInitialConditions(const char *fileName) {
|
|
byte **file;
|
|
uint16 many, set;
|
|
char temp[5];
|
|
|
|
if ((file = g_music->newOpen(fileName)) != NULL) {
|
|
memcpy(&temp, file, 4); file += 4;
|
|
temp[4] = '\0';
|
|
|
|
if (strcmp(temp, "CON0") != 0)
|
|
return false;
|
|
|
|
memcpy(&many, file, 2); file += 2;
|
|
swapUShortPtr(&many, 1);
|
|
|
|
for (int counter = 0; counter < many; counter++) {
|
|
memcpy(&set, file, 2); file += 2;
|
|
swapUShortPtr(&set, 1);
|
|
inclElement(set);
|
|
}
|
|
} else
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
} // End of namespace Lab
|