scummvm/engines/bladerunner/regions.cpp

107 lines
2.4 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.
*
*/
#include "bladerunner/regions.h"
namespace BladeRunner {
Regions::Regions() {
_enabled = true;
_regions = new Region[10];
clear();
}
Regions::~Regions() {
delete[] _regions;
}
void BladeRunner::Regions::clear() {
for (int i = 0; i < 10; ++i)
remove(i);
}
bool Regions::add(int index, Common::Rect rect, int type) {
if (index < 0 || index >= 10)
return false;
if (_regions[index]._present)
return false;
_regions[index]._rectangle = rect;
_regions[index]._type = type;
_regions[index]._present = 1;
return true;
}
bool Regions::remove(int index) {
if (index < 0 || index >= 10)
return false;
_regions[index]._rectangle = Common::Rect(-1, -1, -1, -1);
_regions[index]._type = -1;
_regions[index]._present = 0;
return true;
}
int Regions::getTypeAtXY(int x, int y) {
int index = getRegionAtXY(x, y);
if (index == -1)
return -1;
return _regions[index]._type;
}
int Regions::getRegionAtXY(int x, int y) {
if (!_enabled)
return -1;
for (int i = 0; i != 10; ++i) {
if (!_regions[i]._present)
continue;
// Common::Rect::contains is exclusive of right and bottom but
// Blade Runner wants inclusive, so we adjust the edges.
// TODO: Roll our own rect class?
Common::Rect r = _regions[i]._rectangle;
r.right++;
r.bottom++;
if (r.contains(x, y))
return i;
}
return -1;
}
void Regions::setEnabled(bool enabled) {
_enabled = enabled;
}
void Regions::enable() {
_enabled = true;
}
} // End of namespace BladeRunner