scummvm/engines/cge/game.cpp

55 lines
1.6 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 original Soltys source code
* Copyright (c) 1994-1995 Janus B. Wisniewski and L.K. Avalon
*/
#include "cge/game.h"
#include "cge/events.h"
namespace CGE {
Fly::Fly(CGEEngine *vm, Bitmap **shpl)
: Sprite(vm, shpl), _tx(0), _ty(0), _vm(vm) {
step(_vm->newRandom(2));
gotoxy(kFlyL + _vm->newRandom(kFlyR - kFlyL - _w), kFlyT + _vm->newRandom(kFlyB - kFlyT - _h));
}
void Fly::tick() {
step();
if (_flags._kept)
return;
if (_vm->newRandom(10) < 1) {
_tx = _vm->newRandom(3) - 1;
_ty = _vm->newRandom(3) - 1;
}
if (_x + _tx < kFlyL || _x + _tx + _w > kFlyR)
_tx = -_tx;
if (_y + _ty < kFlyT || _y + _ty + _h > kFlyB)
_ty = -_ty;
gotoxy(_x + _tx, _y + _ty);
}
} // End of namespace CGE