hedgewars/uFloat.pas
author Henek
Mon, 13 Dec 2010 15:02:04 +0100
changeset 4517 0618b31023dc
parent 4415 941251bad467
child 4900 8ad0e23e6d63
permissions -rw-r--r--
added team flag to AddTeam and made AI team allowed to have custom flags. added GetGearVelocity and SetGearVelocity and removed CopyPV2. changed knockball to use use these functions instead.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
     1
(*
1066
1f1b3686a2b0 Update copyright headers a bit
unc0rr
parents: 967
diff changeset
     2
 * Hedgewars, a free turn based strategy game
883
07a568ba44e0 Update copyright info in source files headers
unc0rr
parents: 856
diff changeset
     3
 * Copyright (c) 2007, 2008 Andrey Korotaev <unC0Rr@gmail.com>
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
     4
 *
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
     5
 * This program is free software; you can redistribute it and/or modify
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
     6
 * it under the terms of the GNU General Public License as published by
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
     7
 * the Free Software Foundation; version 2 of the License
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
     8
 *
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
     9
 * This program is distributed in the hope that it will be useful,
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    10
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    11
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    12
 * GNU General Public License for more details.
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    13
 *
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    14
 * You should have received a copy of the GNU General Public License
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    15
 * along with this program; if not, write to the Free Software
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    16
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    17
 *)
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    18
2630
079ef82eac75 revamped file access and debug display
koda
parents: 2599
diff changeset
    19
{$INCLUDE "options.inc"}
079ef82eac75 revamped file access and debug display
koda
parents: 2599
diff changeset
    20
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    21
unit uFloat;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    22
interface
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    23
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    24
{$IFDEF FPC}
2599
c7153d2348f3 move compiler directives to standard pascal
koda
parents: 2587
diff changeset
    25
{$IFDEF ENDIAN_LITTLE}
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    26
type hwFloat = record
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    27
               isNegative: boolean;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    28
               case byte of
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    29
               0: (Frac, Round: Longword);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    30
               1: (QWordValue : QWord);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    31
               end;
2599
c7153d2348f3 move compiler directives to standard pascal
koda
parents: 2587
diff changeset
    32
{$ELSE}
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    33
type hwFloat = record
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    34
               isNegative: boolean;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    35
               case byte of
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    36
               0: (Round, Frac: Longword);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    37
               1: (QWordValue : QWord);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    38
               end;
2599
c7153d2348f3 move compiler directives to standard pascal
koda
parents: 2587
diff changeset
    39
{$ENDIF}
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    40
3599
715a43602da8 sheepluva's inline patch, fix a crash in overlay
koda
parents: 3591
diff changeset
    41
function int2hwFloat (const i: LongInt) : hwFloat; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    42
3599
715a43602da8 sheepluva's inline patch, fix a crash in overlay
koda
parents: 3591
diff changeset
    43
operator + (const z1, z2: hwFloat) z : hwFloat; inline;
715a43602da8 sheepluva's inline patch, fix a crash in overlay
koda
parents: 3591
diff changeset
    44
operator - (const z1, z2: hwFloat) z : hwFloat; inline;
3929
9a4bbc1f67a2 Inline most of uFloat (saves ~7.5% opcount on a test game), inline a few very short candidates in uMisc, comment out some unused functions in uMisc
nemo
parents: 3599
diff changeset
    45
operator - (const z1: hwFloat) z : hwFloat; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    46
3929
9a4bbc1f67a2 Inline most of uFloat (saves ~7.5% opcount on a test game), inline a few very short candidates in uMisc, comment out some unused functions in uMisc
nemo
parents: 3599
diff changeset
    47
operator * (const z1, z2: hwFloat) z : hwFloat; inline;
3599
715a43602da8 sheepluva's inline patch, fix a crash in overlay
koda
parents: 3591
diff changeset
    48
operator * (const z1: hwFloat; const z2: LongInt) z : hwFloat; inline;
3929
9a4bbc1f67a2 Inline most of uFloat (saves ~7.5% opcount on a test game), inline a few very short candidates in uMisc, comment out some unused functions in uMisc
nemo
parents: 3599
diff changeset
    49
operator / (const z1: hwFloat; z2: hwFloat) z : hwFloat; inline;
9a4bbc1f67a2 Inline most of uFloat (saves ~7.5% opcount on a test game), inline a few very short candidates in uMisc, comment out some unused functions in uMisc
nemo
parents: 3599
diff changeset
    50
operator / (const z1: hwFloat; const z2: LongInt) z : hwFloat; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    51
3929
9a4bbc1f67a2 Inline most of uFloat (saves ~7.5% opcount on a test game), inline a few very short candidates in uMisc, comment out some unused functions in uMisc
nemo
parents: 3599
diff changeset
    52
operator < (const z1, z2: hwFloat) b : boolean; inline;
9a4bbc1f67a2 Inline most of uFloat (saves ~7.5% opcount on a test game), inline a few very short candidates in uMisc, comment out some unused functions in uMisc
nemo
parents: 3599
diff changeset
    53
operator > (const z1, z2: hwFloat) b : boolean; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    54
2905
f3c79f7193a9 Engine:
smxx
parents: 2784
diff changeset
    55
function cstr(const z: hwFloat): shortstring;
3929
9a4bbc1f67a2 Inline most of uFloat (saves ~7.5% opcount on a test game), inline a few very short candidates in uMisc, comment out some unused functions in uMisc
nemo
parents: 3599
diff changeset
    56
function hwRound(const t: hwFloat): LongInt; inline;
9a4bbc1f67a2 Inline most of uFloat (saves ~7.5% opcount on a test game), inline a few very short candidates in uMisc, comment out some unused functions in uMisc
nemo
parents: 3599
diff changeset
    57
function hwAbs(const t: hwFloat): hwFloat; inline;
3599
715a43602da8 sheepluva's inline patch, fix a crash in overlay
koda
parents: 3591
diff changeset
    58
function hwSqr(const t: hwFloat): hwFloat; inline;
715a43602da8 sheepluva's inline patch, fix a crash in overlay
koda
parents: 3591
diff changeset
    59
function hwSqrt(const t: hwFloat): hwFloat; inline;
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
    60
function Distance(const dx, dy: hwFloat): hwFloat;
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
    61
function DistanceI(const dx, dy: LongInt): hwFloat;
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
    62
function AngleSin(const Angle: Longword): hwFloat;
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
    63
function AngleCos(const Angle: Longword): hwFloat;
3929
9a4bbc1f67a2 Inline most of uFloat (saves ~7.5% opcount on a test game), inline a few very short candidates in uMisc, comment out some unused functions in uMisc
nemo
parents: 3599
diff changeset
    64
function SignAs(const num, signum: hwFloat): hwFloat; inline;
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
    65
function hwSign(r: hwFloat): LongInt; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    66
2599
c7153d2348f3 move compiler directives to standard pascal
koda
parents: 2587
diff changeset
    67
{$IFDEF FPC}
538
74219eadab5e - Various small fixes
unc0rr
parents: 515
diff changeset
    68
{$J-}
2599
c7153d2348f3 move compiler directives to standard pascal
koda
parents: 2587
diff changeset
    69
{$ENDIF}
611
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
    70
{$WARNINGS OFF}
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    71
const  _1div1024: hwFloat = (isNegative: false; QWordValue:     4194304);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    72
      _1div10000: hwFloat = (isNegative: false; QWordValue:      429496);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    73
      _1div50000: hwFloat = (isNegative: false; QWordValue:       85899);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    74
     _1div100000: hwFloat = (isNegative: false; QWordValue:       42950);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    75
          _1div3: hwFloat = (isNegative: false; QWordValue:  1431655766);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    76
            hwPi: hwFloat = (isNegative: false; QWordValue: 13493037704);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    77
       _0_000004: hwFloat = (isNegative: false; QWordValue:       17179);
3591
sheepluva
parents: 3584
diff changeset
    78
       _0_000064: hwFloat = (isNegative: false; QWordValue:      274878);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    79
         _0_0002: hwFloat = (isNegative: false; QWordValue:      858993);
1586
2c6f1d1f43c1 Adjust flame parameters to produce more damage
unc0rr
parents: 1433
diff changeset
    80
         _0_0005: hwFloat = (isNegative: false; QWordValue:     2147484);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    81
          _0_001: hwFloat = (isNegative: false; QWordValue:     4294967);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    82
          _0_003: hwFloat = (isNegative: false; QWordValue:    12884902);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    83
          _0_004: hwFloat = (isNegative: false; QWordValue:    17179869);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    84
          _0_005: hwFloat = (isNegative: false; QWordValue:    21474836);
3428
46a2694867bc portal:
sheepluva
parents: 3422
diff changeset
    85
          _0_008: hwFloat = (isNegative: false; QWordValue:    34359738);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    86
           _0_01: hwFloat = (isNegative: false; QWordValue:    42949673);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    87
           _0_02: hwFloat = (isNegative: false; QWordValue:    85899345);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    88
           _0_03: hwFloat = (isNegative: false; QWordValue:   128849018);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    89
           _0_08: hwFloat = (isNegative: false; QWordValue:   343597383);
365
a26cec847dd7 - New land generator feature: islands in the sky
unc0rr
parents: 358
diff changeset
    90
            _0_1: hwFloat = (isNegative: false; QWordValue:   429496730);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    91
           _0_15: hwFloat = (isNegative: false; QWordValue:   644245094);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    92
            _0_2: hwFloat = (isNegative: false; QWordValue:   858993459);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    93
           _0_25: hwFloat = (isNegative: false; QWordValue:  1073741824);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    94
            _0_3: hwFloat = (isNegative: false; QWordValue:  1288490189);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    95
           _0_35: hwFloat = (isNegative: false; QWordValue:  1503238553);
2784
1a2e3c7c6a46 King health proportional to team size
nemo
parents: 2630
diff changeset
    96
          _0_375: hwFloat = (isNegative: false; QWordValue:  4294967296 * 3 div 8);
835
6f567934cc44 Automatically use parachute when vertical speed is high enough
unc0rr
parents: 745
diff changeset
    97
           _0_39: hwFloat = (isNegative: false; QWordValue:  1675037245);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    98
            _0_4: hwFloat = (isNegative: false; QWordValue:  1717986918);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    99
           _0_45: hwFloat = (isNegative: false; QWordValue:  1932735283);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   100
            _0_5: hwFloat = (isNegative: false; QWordValue:  2147483648);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   101
           _0_55: hwFloat = (isNegative: false; QWordValue:  2362232012);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   102
            _0_6: hwFloat = (isNegative: false; QWordValue:  2576980377);
3583
13818670ad9e rope: tiny optimisation
sheepluva
parents: 3428
diff changeset
   103
           _0_64: hwFloat = (isNegative: false; QWordValue:  2748779064);
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 357
diff changeset
   104
            _0_7: hwFloat = (isNegative: false; QWordValue:  3006477107);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   105
            _0_8: hwFloat = (isNegative: false; QWordValue:  3435973837);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   106
           _0_84: hwFloat = (isNegative: false; QWordValue:  3607772528);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   107
           _0_87: hwFloat = (isNegative: false; QWordValue:  3736621547);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   108
            _0_9: hwFloat = (isNegative: false; QWordValue:  3865470566);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   109
           _0_93: hwFloat = (isNegative: false; QWordValue:  3994319585);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   110
           _0_96: hwFloat = (isNegative: false; QWordValue:  4123168604);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   111
          _0_995: hwFloat = (isNegative: false; QWordValue:  4273492459);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   112
          _0_999: hwFloat = (isNegative: false; QWordValue:  4290672328);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   113
              _0: hwFloat = (isNegative: false; QWordValue:           0);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   114
              _1: hwFloat = (isNegative: false; QWordValue:  4294967296);
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 498
diff changeset
   115
            _1_5: hwFloat = (isNegative: false; QWordValue:  4294967296 * 3 div 2);
3584
7c05f2e0a8b5 rope: another small optimization
sheepluva
parents: 3583
diff changeset
   116
            _1_9: hwFloat = (isNegative: false; QWordValue:  8160437862);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   117
              _2: hwFloat = (isNegative: false; QWordValue:  4294967296 * 2);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   118
              _3: hwFloat = (isNegative: false; QWordValue:  4294967296 * 3);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   119
              _4: hwFloat = (isNegative: false; QWordValue:  4294967296 * 4);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   120
              _5: hwFloat = (isNegative: false; QWordValue:  4294967296 * 5);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   121
              _6: hwFloat = (isNegative: false; QWordValue:  4294967296 * 6);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   122
             _10: hwFloat = (isNegative: false; QWordValue:  4294967296 * 10);
3422
41ae3c48faa0 * some changes/cleanups to portal, still much to do :/ * reverted nemo's temporary loop fix * notice: small loops possible again, so take care :P, bigger onces should be interrupted
sheepluva
parents: 3407
diff changeset
   123
             _12: hwFloat = (isNegative: false; QWordValue:  4294967296 * 12);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   124
             _16: hwFloat = (isNegative: false; QWordValue:  4294967296 * 16);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   125
             _19: hwFloat = (isNegative: false; QWordValue:  4294967296 * 19);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   126
             _20: hwFloat = (isNegative: false; QWordValue:  4294967296 * 20);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   127
             _25: hwFloat = (isNegative: false; QWordValue:  4294967296 * 25);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   128
             _30: hwFloat = (isNegative: false; QWordValue:  4294967296 * 30);
2955
fb361d137524 Tweak to joke in french locale (everyone always fixes the spelling) updated explosive frames from Palewolf, increase explosive fall damage from 30 to 40
nemo
parents: 2948
diff changeset
   129
             _40: hwFloat = (isNegative: false; QWordValue:  4294967296 * 40);
3036
c6ba6531cb4b Make barrels a little more likely to blow up. 25% more damage in fall
nemo
parents: 2955
diff changeset
   130
             _50: hwFloat = (isNegative: false; QWordValue:  4294967296 * 50);
2933
02af54eb7e1e Experiment with barrels. Add rolling.
nemo
parents: 2905
diff changeset
   131
             _70: hwFloat = (isNegative: false; QWordValue:  4294967296 * 70);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   132
            _128: hwFloat = (isNegative: false; QWordValue:  4294967296 * 128);
1915
c357f5b55320 patch by nemo:
unc0rr
parents: 1753
diff changeset
   133
            _256: hwFloat = (isNegative: false; QWordValue:  4294967296 * 256);
1124
1636a3c7c061 - Airplane is higher
unc0rr
parents: 1066
diff changeset
   134
            _300: hwFloat = (isNegative: false; QWordValue:  4294967296 * 300);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   135
            _450: hwFloat = (isNegative: false; QWordValue:  4294967296 * 450);
611
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
   136
           _1024: hwFloat = (isNegative: false; QWordValue:  4294967296 * 1024);
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
   137
           _2048: hwFloat = (isNegative: false; QWordValue:  4294967296 * 2048);
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1652
diff changeset
   138
           _4096: hwFloat = (isNegative: false; QWordValue:  4294967296 * 4096);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   139
          _10000: hwFloat = (isNegative: false; QWordValue:  4294967296 * 10000);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   140
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   141
         cLittle: hwFloat = (isNegative: false; QWordValue:           1);
967
8be3938d73c2 Don't let jumping hedgehog to move others
unc0rr
parents: 953
diff changeset
   142
         cHHKick: hwFloat = (isNegative: false; QWordValue:    42949673);  // _0_01
611
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
   143
{$WARNINGS ON}
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   144
{$ENDIF}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   145
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   146
{$IFNDEF FPC}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   147
type hwFloat = Extended;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   148
{$ENDIF}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   149
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   150
implementation
4415
941251bad467 SinTable.inc -> uSinTable.pas
unc0rr
parents: 4374
diff changeset
   151
uses uSinTable;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   152
3599
715a43602da8 sheepluva's inline patch, fix a crash in overlay
koda
parents: 3591
diff changeset
   153
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   154
{$IFDEF FPC}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   155
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   156
function int2hwFloat (const i: LongInt) : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   157
begin
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   158
int2hwFloat.isNegative:= i < 0;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   159
int2hwFloat.Round:= abs(i);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   160
int2hwFloat.Frac:= 0
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   161
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   162
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   163
operator + (const z1, z2: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   164
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   165
if z1.isNegative = z2.isNegative then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   166
   begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   167
   z.isNegative:= z1.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   168
   z.QWordValue:= z1.QWordValue + z2.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   169
   end
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   170
else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   171
   if z1.QWordValue > z2.QWordValue then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   172
      begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   173
      z.isNegative:= z1.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   174
      z.QWordValue:= z1.QWordValue - z2.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   175
      end else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   176
      begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   177
      z.isNegative:= z2.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   178
      z.QWordValue:= z2.QWordValue - z1.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   179
      end
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   180
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   181
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   182
operator - (const z1, z2: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   183
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   184
if z1.isNegative = z2.isNegative then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   185
   if z1.QWordValue > z2.QWordValue then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   186
      begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   187
      z.isNegative:= z1.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   188
      z.QWordValue:= z1.QWordValue - z2.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   189
      end else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   190
      begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   191
      z.isNegative:= not z2.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   192
      z.QWordValue:= z2.QWordValue - z1.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   193
      end
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   194
else begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   195
     z.isNegative:= z1.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   196
     z.QWordValue:= z1.QWordValue + z2.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   197
     end
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   198
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   199
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   200
operator - (const z1: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   201
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   202
z:= z1;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   203
z.isNegative:= not z.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   204
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   205
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   206
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   207
operator * (const z1, z2: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   208
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   209
z.isNegative:= z1.isNegative xor z2.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   210
z.QWordValue:= QWord(z1.Round) * z2.Frac +
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   211
               QWord(z1.Frac) * z2.Round +
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   212
               ((QWord(z1.Frac) * z2.Frac) shr 32);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   213
z.Round:= z.Round + QWord(z1.Round) * z2.Round;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   214
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   215
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   216
operator * (const z1: hwFloat; const z2: LongInt) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   217
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   218
z.isNegative:= z1.isNegative xor (z2 < 0);
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   219
z.QWordValue:= z1.QWordValue * abs(z2)
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   220
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   221
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   222
operator / (const z1: hwFloat; z2: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   223
var t: hwFloat;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   224
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   225
z.isNegative:= z1.isNegative xor z2.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   226
z.Round:= z1.QWordValue div z2.QWordValue;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   227
t:= z1 - z2 * z.Round;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   228
if t.QWordValue = 0 then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   229
   z.Frac:= 0
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   230
else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   231
   begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   232
   while ((t.QWordValue and $8000000000000000) = 0) and
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   233
         ((z2.QWordValue and $8000000000000000) = 0) do
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   234
         begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   235
         t.QWordValue:= t.QWordValue shl 1;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   236
         z2.QWordValue:= z2.QWordValue shl 1
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   237
         end;
543
465e2ec8f05f - Better randomness of placing hedgehogs on the land
unc0rr
parents: 538
diff changeset
   238
   if z2.Round > 0 then z.Frac:= (t.QWordValue) div (z2.Round)
465e2ec8f05f - Better randomness of placing hedgehogs on the land
unc0rr
parents: 538
diff changeset
   239
                   else z.Frac:= 0
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   240
   end
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   241
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   242
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   243
operator / (const z1: hwFloat; const z2: LongInt) z : hwFloat;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   244
begin
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   245
z.isNegative:= z1.isNegative xor (z2 < 0);
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   246
z.QWordValue:= z1.QWordValue div abs(z2)
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   247
end;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   248
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   249
operator < (const z1, z2: hwFloat) b : boolean;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   250
begin
916
1d0022336fbb - Small optimization in hwFloat
unc0rr
parents: 883
diff changeset
   251
if z1.isNegative xor z2.isNegative then
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   252
   b:= z1.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   253
else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   254
   if z1.QWordValue = z2.QWordValue then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   255
      b:= false
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   256
   else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   257
      b:= (z1.QWordValue < z2.QWordValue) xor z1.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   258
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   259
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   260
operator > (const z1, z2: hwFloat) b : boolean;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   261
begin
916
1d0022336fbb - Small optimization in hwFloat
unc0rr
parents: 883
diff changeset
   262
if z1.isNegative xor z2.isNegative then
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   263
   b:= z2.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   264
else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   265
   if z1.QWordValue = z2.QWordValue then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   266
      b:= false
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   267
   else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   268
      b:= (z1.QWordValue > z2.QWordValue) xor z2.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   269
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   270
2905
f3c79f7193a9 Engine:
smxx
parents: 2784
diff changeset
   271
function cstr(const z: hwFloat): shortstring;
f3c79f7193a9 Engine:
smxx
parents: 2784
diff changeset
   272
var tmpstr: shortstring;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   273
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   274
str(z.Round, cstr);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   275
if z.Frac <> 0 then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   276
   begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   277
   str(z.Frac / $100000000:1:15, tmpstr);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   278
   delete(tmpstr, 1, 2);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   279
   cstr:= cstr + '.' + tmpstr
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   280
   end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   281
if z.isNegative then cstr:= '-' + cstr
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   282
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   283
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   284
function hwRound(const t: hwFloat): LongInt;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   285
begin
2300
d633bc70c893 prevent overflow
nemo
parents: 1915
diff changeset
   286
if t.isNegative then hwRound:= -(t.Round and $7FFFFFFF)
d633bc70c893 prevent overflow
nemo
parents: 1915
diff changeset
   287
                else hwRound:= t.Round and $7FFFFFFF
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   288
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   289
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   290
function hwAbs(const t: hwFloat): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   291
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   292
hwAbs:= t;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   293
hwAbs.isNegative:= false
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   294
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   295
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   296
function hwSqr(const t: hwFloat): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   297
begin
1433
4af291d5d79c Repair flame dependancy on wind
unc0rr
parents: 1124
diff changeset
   298
hwSqr.isNegative:= false;
4af291d5d79c Repair flame dependancy on wind
unc0rr
parents: 1124
diff changeset
   299
hwSqr.QWordValue:=
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2933
diff changeset
   300
      ((QWord(t.Round) * t.Round) shl 32)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2933
diff changeset
   301
    + QWord(t.Round) * t.Frac * 2
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2933
diff changeset
   302
    + ((QWord(t.Frac) * t.Frac) shr 32);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   303
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   304
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   305
function hwSqrt(const t: hwFloat): hwFloat;
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   306
var l, r: QWord;
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   307
    c: hwFloat;
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   308
begin
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   309
hwSqrt.isNegative:= false;
744
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   310
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   311
if t.Round = 0 then
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   312
   begin
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   313
   l:= t.QWordValue;
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   314
   r:= $100000000
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   315
   end else
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   316
   begin
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   317
   l:= $100000000;
953
237fc147950c Fix bug in hwSqrt when calculating square root of number >= 65536
unc0rr
parents: 916
diff changeset
   318
   r:= t.QWordValue div 2 + $80000000; // r:= t / 2 + 0.5
237fc147950c Fix bug in hwSqrt when calculating square root of number >= 65536
unc0rr
parents: 916
diff changeset
   319
   if r > $FFFFFFFFFFFF then r:= $FFFFFFFFFFFF
744
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   320
   end;
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   321
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   322
repeat
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   323
  c.QWordValue:= (l + r) div 2;
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   324
  if hwSqr(c).QWordValue > t.QWordValue then r:= c.QWordValue else l:= c.QWordValue
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   325
until r - l <= 1;
744
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   326
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   327
hwSqrt.QWordValue:= l
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   328
end;
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   329
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   330
function Distance(const dx, dy: hwFloat): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   331
begin
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   332
Distance:= hwSqrt(hwSqr(dx) + hwSqr(dy))
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   333
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   334
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   335
function DistanceI(const dx, dy: LongInt): hwFloat;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   336
begin
856
beecc5c5c71c - Fix braindead shotgun shot arithmetics
unc0rr
parents: 835
diff changeset
   337
DistanceI:= hwSqrt(int2hwFloat(sqr(dx) + sqr(dy)))
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   338
end;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   339
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   340
function SignAs(const num, signum: hwFloat): hwFloat;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   341
begin
856
beecc5c5c71c - Fix braindead shotgun shot arithmetics
unc0rr
parents: 835
diff changeset
   342
SignAs.QWordValue:= num.QWordValue;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   343
SignAs.isNegative:= signum.isNegative
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   344
end;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   345
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   346
function hwSign(r: hwFloat): LongInt;
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   347
begin
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   348
// yes, we have negative zero for a reason
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   349
if r.isNegative then hwSign:= -1 else hwSign:= 1
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   350
end;
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   351
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   352
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   353
function AngleSin(const Angle: Longword): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   354
begin
1629
9f12da88d769 - More debug stuff
unc0rr
parents: 1586
diff changeset
   355
{$IFDEF DEBUGFILE}
3929
9a4bbc1f67a2 Inline most of uFloat (saves ~7.5% opcount on a test game), inline a few very short candidates in uMisc, comment out some unused functions in uMisc
nemo
parents: 3599
diff changeset
   356
//TryDo((Angle >= 0) and (Angle <= 2048), 'Sin param exceeds limits', true);
1629
9f12da88d769 - More debug stuff
unc0rr
parents: 1586
diff changeset
   357
{$ENDIF}
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   358
AngleSin.isNegative:= false;
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   359
if Angle < 1024 then AngleSin.QWordValue:= SinTable[Angle]
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   360
                else AngleSin.QWordValue:= SinTable[2048 - Angle]
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   361
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   362
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   363
function AngleCos(const Angle: Longword): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   364
begin
1629
9f12da88d769 - More debug stuff
unc0rr
parents: 1586
diff changeset
   365
{$IFDEF DEBUGFILE}
3929
9a4bbc1f67a2 Inline most of uFloat (saves ~7.5% opcount on a test game), inline a few very short candidates in uMisc, comment out some unused functions in uMisc
nemo
parents: 3599
diff changeset
   366
//TryDo((Angle >= 0) and (Angle <= 2048), 'Cos param exceeds limits', true);
1629
9f12da88d769 - More debug stuff
unc0rr
parents: 1586
diff changeset
   367
{$ENDIF}
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   368
AngleCos.isNegative:= Angle > 1024;
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   369
if Angle < 1024 then AngleCos.QWordValue:= SinTable[1024 - Angle]
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   370
                else AngleCos.QWordValue:= SinTable[Angle - 1024]
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   371
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   372
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   373
{$ENDIF}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   374
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   375
end.