hedgewars/uFloat.pas
author Xeli
Sun, 21 Aug 2011 16:25:18 +0200
branchhedgeroid
changeset 5621 ea796c83ea47
parent 5599 2e4b90f33a83
child 5665 8805f3167058
permissions -rw-r--r--
added licenses
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
4976
088d40d8aba2 Happy 2011 :)
koda
parents: 4900
diff changeset
     3
 * Copyright (c) 2004-2011 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;
5122
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    22
(*
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    23
 * This unit provides a custom data type, hwFloat.
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    24
 *
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    25
 * hwFloat represents a floating point number - the value and operations
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    26
 * of this numbers are independent from the hardware architecture
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    27
 * the game runs on.
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    28
 *
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    29
 * This is important for calculations that affect the course of the game
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    30
 * and would lead to different results if based on a hardware dependent
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    31
 * data type.
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    32
 *
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    33
 * Note: Not all comparisons are implemented.
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    34
 *
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    35
 * Note: Below you'll find a list of hwFloat constants:
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    36
 *       E.g. _1 is an hwFloat with value 1.0, and -_0_9 is -0.9
5124
84267f79879b comments
sheepluva
parents: 5122
diff changeset
    37
 *       Use and extend the list if needed, rather than using int2hwFloat()
84267f79879b comments
sheepluva
parents: 5122
diff changeset
    38
 *       with integer constants.
5122
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    39
 *)
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    40
interface
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    41
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    42
{$IFDEF FPC}
2599
c7153d2348f3 move compiler directives to standard pascal
koda
parents: 2587
diff changeset
    43
{$IFDEF ENDIAN_LITTLE}
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    44
type hwFloat = record
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    45
               isNegative: boolean;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    46
               case byte of
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    47
               0: (Frac, Round: Longword);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    48
               1: (QWordValue : QWord);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    49
               end;
2599
c7153d2348f3 move compiler directives to standard pascal
koda
parents: 2587
diff changeset
    50
{$ELSE}
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    51
type hwFloat = record
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    52
               isNegative: boolean;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    53
               case byte of
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    54
               0: (Round, Frac: Longword);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    55
               1: (QWordValue : QWord);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    56
               end;
2599
c7153d2348f3 move compiler directives to standard pascal
koda
parents: 2587
diff changeset
    57
{$ENDIF}
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    58
5122
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    59
// Returns an hwFloat that represents the value of integer parameter i
3599
715a43602da8 sheepluva's inline patch, fix a crash in overlay
koda
parents: 3591
diff changeset
    60
function int2hwFloat (const i: LongInt) : hwFloat; inline;
5151
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
    61
function hwFloat2Float (const i: hwFloat) : extended; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    62
5122
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    63
// The implemented operators
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    64
5599
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
    65
operator = (const z1, z2: hwFloat) z:boolean; inline;
3599
715a43602da8 sheepluva's inline patch, fix a crash in overlay
koda
parents: 3591
diff changeset
    66
operator + (const z1, z2: hwFloat) z : hwFloat; inline;
715a43602da8 sheepluva's inline patch, fix a crash in overlay
koda
parents: 3591
diff changeset
    67
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
    68
operator - (const z1: hwFloat) z : hwFloat; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    69
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
    70
operator * (const z1, z2: hwFloat) z : hwFloat; inline;
3599
715a43602da8 sheepluva's inline patch, fix a crash in overlay
koda
parents: 3591
diff changeset
    71
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
    72
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
    73
operator / (const z1: hwFloat; const z2: LongInt) z : hwFloat; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    74
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
    75
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
    76
operator > (const z1, z2: hwFloat) b : boolean; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
    77
5122
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    78
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    79
// Various functions for hwFloat (some are inlined in the resulting code for better performance)
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    80
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    81
function cstr(const z: hwFloat): shortstring; // Returns a shortstring representations of the hwFloat.
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    82
function hwRound(const t: hwFloat): LongInt; inline; // Does NOT really round but returns the integer representation of the hwFloat without fractional digits. (-_0_9 -> -0, _1_5 -> _1)
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    83
function hwAbs(const t: hwFloat): hwFloat; inline; // Returns the value of t with positive sign.
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    84
function hwSqr(const t: hwFloat): hwFloat; inline; // Returns the square value of parameter t.
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    85
function hwSqrt(const t: hwFloat): hwFloat; inline; // Returns the the positive square root of parameter t.
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    86
function Distance(const dx, dy: hwFloat): hwFloat; // Returns the distance between two points in 2-dimensional space, of which the parameters are the horizontal and vertical distance.
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    87
function DistanceI(const dx, dy: LongInt): hwFloat; // Same as above for integer parameters.
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
    88
function AngleSin(const Angle: Longword): hwFloat;
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
    89
function AngleCos(const Angle: Longword): hwFloat;
5122
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    90
function SignAs(const num, signum: hwFloat): hwFloat; inline; // Returns an hwFloat with the value of parameter num and the sign of signum.
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    91
function hwSign(r: hwFloat): LongInt; inline; // Returns an integer with value 1 and sign of parameter r.
5599
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
    92
function isZero(const z: hwFloat): boolean; inline;
2599
c7153d2348f3 move compiler directives to standard pascal
koda
parents: 2587
diff changeset
    93
{$IFDEF FPC}
538
74219eadab5e - Various small fixes
unc0rr
parents: 515
diff changeset
    94
{$J-}
2599
c7153d2348f3 move compiler directives to standard pascal
koda
parents: 2587
diff changeset
    95
{$ENDIF}
611
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
    96
{$WARNINGS OFF}
5122
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    97
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    98
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
    99
// some hwFloat constants
9b0513507ba8 some more comments *yawns*
sheepluva
parents: 4976
diff changeset
   100
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   101
const  _1div1024: hwFloat = (isNegative: false; QWordValue:     4194304);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   102
      _1div10000: hwFloat = (isNegative: false; QWordValue:      429496);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   103
      _1div50000: hwFloat = (isNegative: false; QWordValue:       85899);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   104
     _1div100000: hwFloat = (isNegative: false; QWordValue:       42950);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   105
          _1div3: hwFloat = (isNegative: false; QWordValue:  1431655766);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   106
            hwPi: hwFloat = (isNegative: false; QWordValue: 13493037704);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   107
       _0_000004: hwFloat = (isNegative: false; QWordValue:       17179);
3591
sheepluva
parents: 3584
diff changeset
   108
       _0_000064: hwFloat = (isNegative: false; QWordValue:      274878);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   109
         _0_0002: hwFloat = (isNegative: false; QWordValue:      858993);
1586
2c6f1d1f43c1 Adjust flame parameters to produce more damage
unc0rr
parents: 1433
diff changeset
   110
         _0_0005: hwFloat = (isNegative: false; QWordValue:     2147484);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   111
          _0_001: hwFloat = (isNegative: false; QWordValue:     4294967);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   112
          _0_003: hwFloat = (isNegative: false; QWordValue:    12884902);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   113
          _0_004: hwFloat = (isNegative: false; QWordValue:    17179869);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   114
          _0_005: hwFloat = (isNegative: false; QWordValue:    21474836);
3428
46a2694867bc portal:
sheepluva
parents: 3422
diff changeset
   115
          _0_008: hwFloat = (isNegative: false; QWordValue:    34359738);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   116
           _0_01: hwFloat = (isNegative: false; QWordValue:    42949673);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   117
           _0_02: hwFloat = (isNegative: false; QWordValue:    85899345);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   118
           _0_03: hwFloat = (isNegative: false; QWordValue:   128849018);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   119
           _0_08: hwFloat = (isNegative: false; QWordValue:   343597383);
365
a26cec847dd7 - New land generator feature: islands in the sky
unc0rr
parents: 358
diff changeset
   120
            _0_1: hwFloat = (isNegative: false; QWordValue:   429496730);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   121
           _0_15: hwFloat = (isNegative: false; QWordValue:   644245094);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   122
            _0_2: hwFloat = (isNegative: false; QWordValue:   858993459);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   123
           _0_25: hwFloat = (isNegative: false; QWordValue:  1073741824);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   124
            _0_3: hwFloat = (isNegative: false; QWordValue:  1288490189);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   125
           _0_35: hwFloat = (isNegative: false; QWordValue:  1503238553);
2784
1a2e3c7c6a46 King health proportional to team size
nemo
parents: 2630
diff changeset
   126
          _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
   127
           _0_39: hwFloat = (isNegative: false; QWordValue:  1675037245);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   128
            _0_4: hwFloat = (isNegative: false; QWordValue:  1717986918);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   129
           _0_45: hwFloat = (isNegative: false; QWordValue:  1932735283);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   130
            _0_5: hwFloat = (isNegative: false; QWordValue:  2147483648);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   131
           _0_55: hwFloat = (isNegative: false; QWordValue:  2362232012);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   132
            _0_6: hwFloat = (isNegative: false; QWordValue:  2576980377);
3583
13818670ad9e rope: tiny optimisation
sheepluva
parents: 3428
diff changeset
   133
           _0_64: hwFloat = (isNegative: false; QWordValue:  2748779064);
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 357
diff changeset
   134
            _0_7: hwFloat = (isNegative: false; QWordValue:  3006477107);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   135
            _0_8: hwFloat = (isNegative: false; QWordValue:  3435973837);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   136
           _0_84: hwFloat = (isNegative: false; QWordValue:  3607772528);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   137
           _0_87: hwFloat = (isNegative: false; QWordValue:  3736621547);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   138
            _0_9: hwFloat = (isNegative: false; QWordValue:  3865470566);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   139
           _0_93: hwFloat = (isNegative: false; QWordValue:  3994319585);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   140
           _0_96: hwFloat = (isNegative: false; QWordValue:  4123168604);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   141
          _0_995: hwFloat = (isNegative: false; QWordValue:  4273492459);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   142
          _0_999: hwFloat = (isNegative: false; QWordValue:  4290672328);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   143
              _0: hwFloat = (isNegative: false; QWordValue:           0);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   144
              _1: hwFloat = (isNegative: false; QWordValue:  4294967296);
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 498
diff changeset
   145
            _1_5: hwFloat = (isNegative: false; QWordValue:  4294967296 * 3 div 2);
3584
7c05f2e0a8b5 rope: another small optimization
sheepluva
parents: 3583
diff changeset
   146
            _1_9: hwFloat = (isNegative: false; QWordValue:  8160437862);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   147
              _2: hwFloat = (isNegative: false; QWordValue:  4294967296 * 2);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   148
              _3: hwFloat = (isNegative: false; QWordValue:  4294967296 * 3);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   149
              _4: hwFloat = (isNegative: false; QWordValue:  4294967296 * 4);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   150
              _5: hwFloat = (isNegative: false; QWordValue:  4294967296 * 5);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   151
              _6: hwFloat = (isNegative: false; QWordValue:  4294967296 * 6);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   152
             _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
   153
             _12: hwFloat = (isNegative: false; QWordValue:  4294967296 * 12);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   154
             _16: hwFloat = (isNegative: false; QWordValue:  4294967296 * 16);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   155
             _19: hwFloat = (isNegative: false; QWordValue:  4294967296 * 19);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   156
             _20: hwFloat = (isNegative: false; QWordValue:  4294967296 * 20);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   157
             _25: hwFloat = (isNegative: false; QWordValue:  4294967296 * 25);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   158
             _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
   159
             _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
   160
             _50: hwFloat = (isNegative: false; QWordValue:  4294967296 * 50);
2933
02af54eb7e1e Experiment with barrels. Add rolling.
nemo
parents: 2905
diff changeset
   161
             _70: hwFloat = (isNegative: false; QWordValue:  4294967296 * 70);
5599
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   162
             _90: hwFloat = (isNegative: false; QWordValue:  4294967296 * 90);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   163
            _128: hwFloat = (isNegative: false; QWordValue:  4294967296 * 128);
5599
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   164
            _180: hwFloat = (isNegative: false; QWordValue:  4294967296 * 180);
5319
51d8e4747876 bounce. tweak of values, remove friction modifier, move to weapon, to match timer behaviour
nemo
parents: 5192
diff changeset
   165
            _250: hwFloat = (isNegative: false; QWordValue:  4294967296 * 250);
1915
c357f5b55320 patch by nemo:
unc0rr
parents: 1753
diff changeset
   166
            _256: hwFloat = (isNegative: false; QWordValue:  4294967296 * 256);
1124
1636a3c7c061 - Airplane is higher
unc0rr
parents: 1066
diff changeset
   167
            _300: hwFloat = (isNegative: false; QWordValue:  4294967296 * 300);
5599
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   168
            _360: hwFloat = (isNegative: false; QWordValue:  4294967296 * 360);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   169
            _450: hwFloat = (isNegative: false; QWordValue:  4294967296 * 450);
5319
51d8e4747876 bounce. tweak of values, remove friction modifier, move to weapon, to match timer behaviour
nemo
parents: 5192
diff changeset
   170
           _1000: hwFloat = (isNegative: false; QWordValue:  4294967296 * 1000);
611
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
   171
           _1024: hwFloat = (isNegative: false; QWordValue:  4294967296 * 1024);
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
   172
           _2048: hwFloat = (isNegative: false; QWordValue:  4294967296 * 2048);
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1652
diff changeset
   173
           _4096: hwFloat = (isNegative: false; QWordValue:  4294967296 * 4096);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   174
          _10000: hwFloat = (isNegative: false; QWordValue:  4294967296 * 10000);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   175
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   176
         cLittle: hwFloat = (isNegative: false; QWordValue:           1);
967
8be3938d73c2 Don't let jumping hedgehog to move others
unc0rr
parents: 953
diff changeset
   177
         cHHKick: hwFloat = (isNegative: false; QWordValue:    42949673);  // _0_01
611
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
   178
{$WARNINGS ON}
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   179
{$ENDIF}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   180
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   181
{$IFNDEF FPC}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   182
type hwFloat = Extended;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   183
{$ENDIF}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   184
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   185
implementation
4415
941251bad467 SinTable.inc -> uSinTable.pas
unc0rr
parents: 4374
diff changeset
   186
uses uSinTable;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   187
3599
715a43602da8 sheepluva's inline patch, fix a crash in overlay
koda
parents: 3591
diff changeset
   188
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   189
{$IFDEF FPC}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   190
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   191
function int2hwFloat (const i: LongInt) : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   192
begin
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   193
int2hwFloat.isNegative:= i < 0;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   194
int2hwFloat.Round:= abs(i);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   195
int2hwFloat.Frac:= 0
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   196
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   197
5151
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   198
function hwFloat2Float (const i: hwFloat) : extended;
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   199
begin
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   200
hwFloat2Float:= i.QWordValue / $100000000;
5192
881c14f81d12 Optimize hwFloat2Float a bit
unc0rr
parents: 5151
diff changeset
   201
if i.isNegative then hwFloat2Float:= -hwFloat2Float;
5151
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   202
end;
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   203
5599
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   204
operator = (const z1, z2: hwFloat) z:boolean; inline;
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   205
begin
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   206
    z:= true;
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   207
    z:= z and (z1.isNegative = z2.isNegative);
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   208
    z:= z and (z1.QWordValue = z2.QWordValue);
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   209
end;
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   210
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   211
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   212
operator + (const z1, z2: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   213
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   214
if z1.isNegative = z2.isNegative then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   215
   begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   216
   z.isNegative:= z1.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   217
   z.QWordValue:= z1.QWordValue + z2.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   218
   end
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   219
else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   220
   if z1.QWordValue > z2.QWordValue then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   221
      begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   222
      z.isNegative:= z1.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   223
      z.QWordValue:= z1.QWordValue - z2.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   224
      end else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   225
      begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   226
      z.isNegative:= z2.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   227
      z.QWordValue:= z2.QWordValue - z1.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   228
      end
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   229
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   230
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   231
operator - (const z1, z2: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   232
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   233
if z1.isNegative = z2.isNegative then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   234
   if z1.QWordValue > z2.QWordValue then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   235
      begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   236
      z.isNegative:= z1.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   237
      z.QWordValue:= z1.QWordValue - z2.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   238
      end else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   239
      begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   240
      z.isNegative:= not z2.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   241
      z.QWordValue:= z2.QWordValue - z1.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   242
      end
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   243
else begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   244
     z.isNegative:= z1.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   245
     z.QWordValue:= z1.QWordValue + z2.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   246
     end
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   247
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   248
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   249
operator - (const z1: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   250
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   251
z:= z1;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   252
z.isNegative:= not z.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   253
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   254
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   255
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   256
operator * (const z1, z2: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   257
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   258
z.isNegative:= z1.isNegative xor z2.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   259
z.QWordValue:= QWord(z1.Round) * z2.Frac +
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   260
               QWord(z1.Frac) * z2.Round +
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   261
               ((QWord(z1.Frac) * z2.Frac) shr 32);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   262
z.Round:= z.Round + QWord(z1.Round) * z2.Round;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   263
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   264
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   265
operator * (const z1: hwFloat; const z2: LongInt) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   266
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   267
z.isNegative:= z1.isNegative xor (z2 < 0);
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   268
z.QWordValue:= z1.QWordValue * abs(z2)
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   269
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   270
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   271
operator / (const z1: hwFloat; z2: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   272
var t: hwFloat;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   273
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   274
z.isNegative:= z1.isNegative xor z2.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   275
z.Round:= z1.QWordValue div z2.QWordValue;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   276
t:= z1 - z2 * z.Round;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   277
if t.QWordValue = 0 then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   278
   z.Frac:= 0
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   279
else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   280
   begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   281
   while ((t.QWordValue and $8000000000000000) = 0) and
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   282
         ((z2.QWordValue and $8000000000000000) = 0) do
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   283
         begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   284
         t.QWordValue:= t.QWordValue shl 1;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   285
         z2.QWordValue:= z2.QWordValue shl 1
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   286
         end;
543
465e2ec8f05f - Better randomness of placing hedgehogs on the land
unc0rr
parents: 538
diff changeset
   287
   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
   288
                   else z.Frac:= 0
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   289
   end
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   290
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   291
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   292
operator / (const z1: hwFloat; const z2: LongInt) z : hwFloat;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   293
begin
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   294
z.isNegative:= z1.isNegative xor (z2 < 0);
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   295
z.QWordValue:= z1.QWordValue div abs(z2)
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   296
end;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   297
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   298
operator < (const z1, z2: hwFloat) b : boolean;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   299
begin
916
1d0022336fbb - Small optimization in hwFloat
unc0rr
parents: 883
diff changeset
   300
if z1.isNegative xor z2.isNegative then
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   301
   b:= z1.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   302
else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   303
   if z1.QWordValue = z2.QWordValue then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   304
      b:= false
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   305
   else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   306
      b:= (z1.QWordValue < z2.QWordValue) xor z1.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   307
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   308
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   309
operator > (const z1, z2: hwFloat) b : boolean;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   310
begin
916
1d0022336fbb - Small optimization in hwFloat
unc0rr
parents: 883
diff changeset
   311
if z1.isNegative xor z2.isNegative then
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   312
   b:= z2.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   313
else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   314
   if z1.QWordValue = z2.QWordValue then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   315
      b:= false
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   316
   else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   317
      b:= (z1.QWordValue > z2.QWordValue) xor z2.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   318
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   319
2905
f3c79f7193a9 Engine:
smxx
parents: 2784
diff changeset
   320
function cstr(const z: hwFloat): shortstring;
f3c79f7193a9 Engine:
smxx
parents: 2784
diff changeset
   321
var tmpstr: shortstring;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   322
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   323
str(z.Round, cstr);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   324
if z.Frac <> 0 then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   325
   begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   326
   str(z.Frac / $100000000:1:15, tmpstr);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   327
   delete(tmpstr, 1, 2);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   328
   cstr:= cstr + '.' + tmpstr
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   329
   end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   330
if z.isNegative then cstr:= '-' + cstr
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   331
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   332
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   333
function hwRound(const t: hwFloat): LongInt;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   334
begin
2300
d633bc70c893 prevent overflow
nemo
parents: 1915
diff changeset
   335
if t.isNegative then hwRound:= -(t.Round and $7FFFFFFF)
d633bc70c893 prevent overflow
nemo
parents: 1915
diff changeset
   336
                else hwRound:= t.Round and $7FFFFFFF
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   337
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   338
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   339
function hwAbs(const t: hwFloat): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   340
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   341
hwAbs:= t;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   342
hwAbs.isNegative:= false
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   343
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   344
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   345
function hwSqr(const t: hwFloat): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   346
begin
1433
4af291d5d79c Repair flame dependancy on wind
unc0rr
parents: 1124
diff changeset
   347
hwSqr.isNegative:= false;
4af291d5d79c Repair flame dependancy on wind
unc0rr
parents: 1124
diff changeset
   348
hwSqr.QWordValue:=
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2933
diff changeset
   349
      ((QWord(t.Round) * t.Round) shl 32)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2933
diff changeset
   350
    + QWord(t.Round) * t.Frac * 2
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2933
diff changeset
   351
    + ((QWord(t.Frac) * t.Frac) shr 32);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   352
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   353
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   354
function hwSqrt(const t: hwFloat): hwFloat;
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   355
var l, r: QWord;
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   356
    c: hwFloat;
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   357
begin
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   358
hwSqrt.isNegative:= false;
744
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   359
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   360
if t.Round = 0 then
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   361
   begin
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   362
   l:= t.QWordValue;
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   363
   r:= $100000000
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   364
   end else
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   365
   begin
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   366
   l:= $100000000;
953
237fc147950c Fix bug in hwSqrt when calculating square root of number >= 65536
unc0rr
parents: 916
diff changeset
   367
   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
   368
   if r > $FFFFFFFFFFFF then r:= $FFFFFFFFFFFF
744
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   369
   end;
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   370
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   371
repeat
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   372
  c.QWordValue:= (l + r) div 2;
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   373
  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
   374
until r - l <= 1;
744
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   375
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   376
hwSqrt.QWordValue:= l
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   377
end;
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   378
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   379
function Distance(const dx, dy: hwFloat): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   380
begin
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   381
Distance:= hwSqrt(hwSqr(dx) + hwSqr(dy))
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   382
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   383
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   384
function DistanceI(const dx, dy: LongInt): hwFloat;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   385
begin
856
beecc5c5c71c - Fix braindead shotgun shot arithmetics
unc0rr
parents: 835
diff changeset
   386
DistanceI:= hwSqrt(int2hwFloat(sqr(dx) + sqr(dy)))
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   387
end;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   388
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   389
function SignAs(const num, signum: hwFloat): hwFloat;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   390
begin
856
beecc5c5c71c - Fix braindead shotgun shot arithmetics
unc0rr
parents: 835
diff changeset
   391
SignAs.QWordValue:= num.QWordValue;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   392
SignAs.isNegative:= signum.isNegative
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   393
end;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   394
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   395
function hwSign(r: hwFloat): LongInt;
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   396
begin
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   397
// yes, we have negative zero for a reason
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   398
if r.isNegative then hwSign:= -1 else hwSign:= 1
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   399
end;
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   400
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   401
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   402
function AngleSin(const Angle: Longword): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   403
begin
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
   404
//TryDo((Angle >= 0) and (Angle <= 2048), 'Sin param exceeds limits', true);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   405
AngleSin.isNegative:= false;
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   406
if Angle < 1024 then AngleSin.QWordValue:= SinTable[Angle]
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   407
                else AngleSin.QWordValue:= SinTable[2048 - Angle]
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   408
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   409
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   410
function AngleCos(const Angle: Longword): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   411
begin
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
   412
//TryDo((Angle >= 0) and (Angle <= 2048), 'Cos param exceeds limits', true);
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   413
AngleCos.isNegative:= Angle > 1024;
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   414
if Angle < 1024 then AngleCos.QWordValue:= SinTable[1024 - Angle]
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   415
                else AngleCos.QWordValue:= SinTable[Angle - 1024]
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   416
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   417
5599
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   418
function isZero(const z: hwFloat): boolean; inline; 
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   419
begin
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   420
    isZero := z.QWordValue = 0;
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   421
end;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   422
{$ENDIF}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   423
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   424
end.