Remove most unused files.

1 files changed, 0 insertions, 251 deletions

diff --git a/src/utils/mathutils.h b/src/utils/mathutils.h
deleted file mode 100644
index 045feb10a..000000000
--- a/src/utils/mathutils.h
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- *  The ManaPlus Client
- *  Copyright (C) 2009  The Mana World Development Team
- *  Copyright (C) 2009-2010  The Mana Developers
- *  Copyright (C) 2011-2017  The ManaPlus Developers
- *
- *  This file is part of The ManaPlus Client.
- *
- *  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
- *  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/>.
- */
-
-#ifndef UTILS_MATHUTILS_H
-#define UTILS_MATHUTILS_H
-
-#include "utils/cast.h"
-
-#include <string>
-
-#ifndef USE_SDL2
-#include <cmath>
-#endif  // USE_SDL2
-
-#include "localconsts.h"
-
-static constexpr const uint16_t crc_table[256] =
-{
-    0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
-    0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
-    0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
-    0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
-    0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
-    0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
-    0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
-    0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
-    0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
-    0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
-    0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
-    0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
-    0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
-    0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
-    0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
-    0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
-    0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
-    0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
-    0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
-    0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
-    0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
-    0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
-    0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
-    0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
-    0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
-    0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
-    0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
-    0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
-    0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
-    0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
-    0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
-    0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
-};
-
-static constexpr const uint8_t square_roots[1000] =
-{
-    0,  1,  1,  1,  2,  2,  2,  2,  2,  3,
-    3,  3,  3,  3,  3,  3,  4,  4,  4,  4,
-    4,  4,  4,  4,  4,  5,  5,  5,  5,  5,
-    5,  5,  5,  5,  5,  5,  6,  6,  6,  6,
-    6,  6,  6,  6,  6,  6,  6,  6,  6,  7,
-    7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
-    7,  7,  7,  7,  8,  8,  8,  8,  8,  8,
-    8,  8,  8,  8,  8,  8,  8,  8,  8,  8,
-    8,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-    9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
-    10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
-    10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
-    10, 11, 11, 11, 11, 11, 11, 11, 11, 11,
-    11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
-    11, 11, 11, 11, 12, 12, 12, 12, 12, 12,
-    12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
-    12, 12, 12, 12, 12, 12, 12, 12, 12, 13,
-    13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
-    13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
-    13, 13, 13, 13, 13, 13, 14, 14, 14, 14,
-    14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
-    14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
-    14, 14, 14, 14, 14, 15, 15, 15, 15, 15,
-    15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
-    15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
-    15, 15, 15, 15, 15, 15, 16, 16, 16, 16,
-    16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
-    16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
-    16, 16, 16, 16, 16, 16, 16, 16, 16, 17,
-    17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
-    17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
-    17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
-    17, 17, 17, 17, 18, 18, 18, 18, 18, 18,
-    18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
-    18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
-    18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
-    18, 19, 19, 19, 19, 19, 19, 19, 19, 19,
-    19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
-    19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
-    19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
-    20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
-    20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
-    20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
-    20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
-    20, 21, 21, 21, 21, 21, 21, 21, 21, 21,
-    21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
-    21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
-    21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
-    21, 21, 21, 21, 22, 22, 22, 22, 22, 22,
-    22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
-    22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
-    22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
-    22, 22, 22, 22, 22, 22, 22, 22, 22, 23,
-    23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
-    23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
-    23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
-    23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
-    23, 23, 23, 23, 23, 23, 24, 24, 24, 24,
-    24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-    24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-    24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-    24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
-    24, 24, 24, 24, 24, 25, 25, 25, 25, 25,
-    25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
-    25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
-    25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
-    25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
-    25, 25, 25, 25, 25, 25, 26, 26, 26, 26,
-    26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-    26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-    26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-    26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
-    26, 26, 26, 26, 26, 26, 26, 26, 26, 27,
-    27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
-    27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
-    27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
-    27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
-    27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
-    27, 27, 27, 27, 28, 28, 28, 28, 28, 28,
-    28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
-    28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
-    28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
-    28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
-    28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
-    28, 29, 29, 29, 29, 29, 29, 29, 29, 29,
-    29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
-    29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
-    29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
-    29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
-    29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
-    30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
-    30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
-    30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
-    30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
-    30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
-    30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
-    30, 31, 31, 31, 31, 31, 31, 31, 31, 31,
-    31, 31, 31, 31, 31, 31, 31, 31, 31, 31,
-    31, 31, 31, 31, 31, 31, 31, 31, 31, 31,
-    31, 31, 31, 31, 31, 31, 31, 31, 31, 31
-};
-
-inline uint16_t getCrc16(const std::string &str) A_WARN_UNUSED;
-constexpr2 inline float fastInvSqrt(float x) A_WARN_UNUSED;
-constexpr2 inline float fastSqrt(const float x) A_WARN_UNUSED;
-constexpr inline float weightedAverage(const float n1, const float n2,
-                                       const float w) A_WARN_UNUSED;
-constexpr inline int roundDouble(const double v) A_WARN_UNUSED;
-constexpr2 inline int powerOfTwo(const unsigned int input) A_WARN_UNUSED;
-constexpr2 inline int fastSqrtInt(const unsigned int n) A_WARN_UNUSED;
-
-inline uint16_t getCrc16(const std::string &str)
-{
-    size_t f = str.size();
-    uint16_t crc16 = 0xffff;
-
-    while (f != 0)
-    {
-        f --;
-        crc16 = CAST_U16(
-            crc_table[(crc16 ^ (str[f])) & 0xff] ^ (crc16 >> 8));
-    }
-
-    return crc16;
-}
-
-/* A very fast function to calculate the approximate inverse square root of a
- * floating point value and a helper function that uses it for getting the
- * normal squareroot. For an explanation of the inverse squareroot function
- * read:
- * http://www.math.purdue.edu/~clomont/Math/Papers/2003/InvSqrt.pdf
- *
- * Unfortunately the original creator of this function seems to be unknown.
- */
-
-constexpr2 inline float fastInvSqrt(float x)
-{
-    union { int i; float x; } tmp = {0U};
-    const float xhalf = 0.5F * x;
-    tmp.x = x;
-    tmp.i = 0x5f375a86 - (tmp.i >> 1);
-    x = tmp.x;
-    x = x * (1.5F - xhalf * x * x);
-    return x;
-}
-
-constexpr2 inline float fastSqrt(const float x)
-{
-    return 1.0F / fastInvSqrt(x);
-}
-
-constexpr inline float weightedAverage(const float n1, const float n2,
-                                       const float w)
-{
-    return w < 0.0F ? n1 : (w > 1.0F ? n2 : w * n2 + (1.0F - w) * n1);
-}
-
-constexpr inline int roundDouble(const double v)
-{
-    return (v > 0.0) ? CAST_S32(v + 0.5) : CAST_S32(v - 0.5);
-}
-
-constexpr2 inline int powerOfTwo(const unsigned int input)
-{
-    unsigned int value = 1;
-    while (value < input)
-        value <<= 1;
-    return value;
-}
-
-constexpr2 inline int fastSqrtInt(const unsigned int n)
-{
-    if (n < 1000)
-        return CAST_S32(square_roots[n]);
-    return CAST_S32(sqrt(n));
-}
-
-#endif  // UTILS_MATHUTILS_H