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55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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/*
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* This code is based on original Soltys source code
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* Copyright (c) 1994-1995 Janus B. Wisniewski and L.K. Avalon
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*/
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#include "cge/game.h"
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#include "cge/events.h"
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namespace CGE {
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Fly::Fly(CGEEngine *vm, Bitmap **shpl)
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: Sprite(vm, shpl), _tx(0), _ty(0), _vm(vm) {
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step(_vm->newRandom(2));
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gotoxy(kFlyL + _vm->newRandom(kFlyR - kFlyL - _w), kFlyT + _vm->newRandom(kFlyB - kFlyT - _h));
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}
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void Fly::tick() {
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step();
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if (_flags._kept)
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return;
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if (_vm->newRandom(10) < 1) {
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_tx = _vm->newRandom(3) - 1;
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_ty = _vm->newRandom(3) - 1;
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}
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if (_x + _tx < kFlyL || _x + _tx + _w > kFlyR)
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_tx = -_tx;
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if (_y + _ty < kFlyT || _y + _ty + _h > kFlyB)
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_ty = -_ty;
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gotoxy(_x + _tx, _y + _ty);
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}
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} // End of namespace CGE
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