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59 lines
1.7 KiB
C++
59 lines
1.7 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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* You should have received a copy of the GNU General Public License
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* aint32 with this program; if not, write to the Free Software
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*
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*
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* Based on the original sources
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* Faery Tale II -- The Halls of the Dead
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* (c) 1993-1996 The Wyrmkeep Entertainment Co.
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*/
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#ifndef SAGA2_CMISC_H
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#define SAGA2_CMISC_H
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namespace Saga2 {
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// Clamps the number "num" between two limits
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int32 clamp(int32 lowerLimit, int32 num, int32 upperLimit);
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// Converts x/y point to angle + distance
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int16 ptToAngle(int16 dx, int16 dy, int16 *dist = NULL);
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// Byte-swap a 16-bit integer
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inline int16 swap16(uint16 w) {
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return (w >> 8) | (w << 8);
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}
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// Byte-swap a 32-bit integer
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inline int32 swap32(int32 l) {
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return ((l >> 24) & 0x000000ffL) |
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((l >> 8) & 0x0000ff00L) |
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((l << 8) & 0x00ff0000L) |
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((l << 24) & 0xff000000L);
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}
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#if defined( USEWINDOWS )
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inline void delay(int32 ms) {
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Sleep(ms);
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}
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#endif
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} // end of namespace Saga2
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#endif
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