definitions.h

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/*
 *  wiiuse
 *
 *  Written By:
 *      Michael Laforest    < para >
 *      Email: < thepara (--AT--) g m a i l [--DOT--] com >
 *
 *  Copyright 2006-2007
 *
 *  This file is part of wiiuse.
 *
 *  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 3 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, see <http://www.gnu.org/licenses/>.
 *
 *  $Header$
 *
 */

#pragma once

/* this is wiiuse - used to distinguish from third party programs using wiiuse.h */
#include "os.h"

#define WIIMOTE_PI          3.14159265f

//#define WITH_WIIUSE_DEBUG

/* Error output macros */
#define WIIUSE_ERROR(fmt, ...)      fprintf(stderr, "[ERROR] " fmt "\n", ##__VA_ARGS__)

/* Warning output macros */
#define WIIUSE_WARNING(fmt, ...)    fprintf(stderr, "[WARNING] " fmt "\n",  ##__VA_ARGS__)

/* Information output macros */
#define WIIUSE_INFO(fmt, ...)       fprintf(stderr, "[INFO] " fmt "\n", ##__VA_ARGS__)

#ifdef WITH_WIIUSE_DEBUG
    #ifdef WIN32
        #define WIIUSE_DEBUG(fmt, ...)      do {                                                                                \
                                                char* file = __FILE__;                                                          \
                                                int i = strlen(file) - 1;                                                       \
                                                for (; i && (file[i] != '\\'); --i);                                            \
                                                fprintf(stderr, "[DEBUG] %s:%i: " fmt "\n", file+i+1, __LINE__, ##__VA_ARGS__); \
                                            } while (0)
    #else
        #define WIIUSE_DEBUG(fmt, ...)  fprintf(stderr, "[DEBUG] " __FILE__ ":%i: " fmt "\n", __LINE__, ##__VA_ARGS__)
    #endif
#else
    #define WIIUSE_DEBUG(fmt, ...)
#endif

/* Convert between radians and degrees */
#define RAD_TO_DEGREE(r)    ((r * 180.0f) / WIIMOTE_PI)
#define DEGREE_TO_RAD(d)    (d * (WIIMOTE_PI / 180.0f))

/* Convert to big endian */
#define BIG_ENDIAN_LONG(i)              (htonl(i))
#define BIG_ENDIAN_SHORT(i)             (htons(i))

#define absf(x)                     ((x >= 0) ? (x) : (x * -1.0f))
#define diff_f(x, y)                ((x >= y) ? (absf(x - y)) : (absf(y - x)))