hedgewars/uFloat.pas
author nemo
Sun, 05 Aug 2012 15:00:59 -0400
changeset 7495 2592240b7b62
parent 7043 7c080e5ac8d0
child 7515 8957b05d368a
permissions -rw-r--r--
Add bot level to CPU flag
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 *)
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{$INCLUDE "options.inc"}
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unit uFloat;
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(*
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 * This unit provides a custom data type, hwFloat.
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 *
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 * hwFloat represents a floating point number - the value and operations
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 * of this numbers are independent from the hardware architecture
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 * the game runs on.
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 *
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 * This is important for calculations that affect the course of the game
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 * and would lead to different results if based on a hardware dependent
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 * data type.
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 *
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 * Note: Not all comparisons are implemented.
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 *
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 * Note: Below you'll find a list of hwFloat constants:
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 *       E.g. _1 is an hwFloat with value 1.0, and -_0_9 is -0.9
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 *       Use and extend the list if needed, rather than using int2hwFloat()
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 *       with integer constants.
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 *)
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interface
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{$IFDEF FPC}
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{$IFDEF ENDIAN_LITTLE}
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type hwFloat = record
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    isNegative: boolean;
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    case byte of
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        0: (Frac, Round: Longword);
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        1: (QWordValue : QWord);
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        end;
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{$ELSE}
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type hwFloat = record
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    isNegative: boolean;
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    case byte of
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    0: (Round, Frac: Longword);
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    1: (QWordValue : QWord);
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    end;
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{$ENDIF}
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// Returns an hwFloat that represents the value of integer parameter i
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function int2hwFloat (const i: LongInt) : hwFloat; inline;
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function hwFloat2Float (const i: hwFloat) : extended; inline;
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// The implemented operators
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operator = (const z1, z2: hwFloat) z : boolean; inline;
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{$IFDEF PAS2C}
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operator <> (const z1, z2: hwFloat) z : boolean; inline;
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{$ENDIF}
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operator + (const z1, z2: hwFloat) z : hwFloat; inline;
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operator - (const z1, z2: hwFloat) z : hwFloat; inline;
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operator - (const z1: hwFloat) z : hwFloat; inline;
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operator * (const z1, z2: hwFloat) z : hwFloat; inline;
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operator * (const z1: hwFloat; const z2: LongInt) z : hwFloat; inline;
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operator / (const z1: hwFloat; z2: hwFloat) z : hwFloat; inline;
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operator / (const z1: hwFloat; const z2: LongInt) z : hwFloat; inline;
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operator < (const z1, z2: hwFloat) b : boolean; inline;
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operator > (const z1, z2: hwFloat) b : boolean; inline;
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// Various functions for hwFloat (some are inlined in the resulting code for better performance)
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function cstr(const z: hwFloat): shortstring; // Returns a shortstring representations of the hwFloat.
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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)
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function hwAbs(const t: hwFloat): hwFloat; inline; // Returns the value of t with positive sign.
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function hwSqr(const t: hwFloat): hwFloat; inline; // Returns the square value of parameter t.
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function hwPow(const t: hwFloat; p: LongWord): hwFloat; inline; // Returns the power of the value
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function hwSqrt(const t: hwFloat): hwFloat; inline; // Returns the the positive square root of parameter t.
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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.
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function DistanceI(const dx, dy: LongInt): hwFloat; // Same as above for integer parameters.
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function AngleSin(const Angle: Longword): hwFloat;
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function AngleCos(const Angle: Longword): hwFloat;
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function SignAs(const num, signum: hwFloat): hwFloat; inline; // Returns an hwFloat with the value of parameter num and the sign of signum.
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function hwSign(r: hwFloat): LongInt; inline; // Returns an integer with value 1 and sign of parameter r.
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function hwSignf(r: real): LongInt; inline; // Returns an integer with value 1 and sign of parameter r.
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function isZero(const z: hwFloat): boolean; inline;
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{$IFDEF FPC}
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{$J-}
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{$ENDIF}
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{$WARNINGS OFF}
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// some hwFloat constants
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const  _1div1024: hwFloat = (isNegative: false; QWordValue:     4194304);
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      _1div10000: hwFloat = (isNegative: false; QWordValue:      429496);
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      _1div50000: hwFloat = (isNegative: false; QWordValue:       85899);
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     _1div100000: hwFloat = (isNegative: false; QWordValue:       42950);
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          _1div3: hwFloat = (isNegative: false; QWordValue:  1431655766);
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            hwPi: hwFloat = (isNegative: false; QWordValue: 13493037704);
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       _0_000004: hwFloat = (isNegative: false; QWordValue:       17179);
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       _0_000064: hwFloat = (isNegative: false; QWordValue:      274878);
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         _0_0002: hwFloat = (isNegative: false; QWordValue:      858993);
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         _0_0005: hwFloat = (isNegative: false; QWordValue:     2147484);
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          _0_001: hwFloat = (isNegative: false; QWordValue:     4294967);
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          _0_003: hwFloat = (isNegative: false; QWordValue:    12884902);
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          _0_004: hwFloat = (isNegative: false; QWordValue:    17179869);
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          _0_005: hwFloat = (isNegative: false; QWordValue:    21474836);
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          _0_008: hwFloat = (isNegative: false; QWordValue:    34359738);
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           _0_01: hwFloat = (isNegative: false; QWordValue:    42949673);
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           _0_02: hwFloat = (isNegative: false; QWordValue:    85899345);
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           _0_03: hwFloat = (isNegative: false; QWordValue:   128849018);
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           _0_07: hwFloat = (isNegative: false; QWordValue:   300647710);
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           _0_08: hwFloat = (isNegative: false; QWordValue:   343597383);
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            _0_1: hwFloat = (isNegative: false; QWordValue:   429496730);
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           _0_15: hwFloat = (isNegative: false; QWordValue:   644245094);
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            _0_2: hwFloat = (isNegative: false; QWordValue:   858993459);
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           _0_25: hwFloat = (isNegative: false; QWordValue:  1073741824);
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            _0_3: hwFloat = (isNegative: false; QWordValue:  1288490189);
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           _0_35: hwFloat = (isNegative: false; QWordValue:  1503238553);
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          _0_375: hwFloat = (isNegative: false; QWordValue:  4294967296 * 3 div 8);
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           _0_39: hwFloat = (isNegative: false; QWordValue:  1675037245);
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            _0_4: hwFloat = (isNegative: false; QWordValue:  1717986918);
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           _0_45: hwFloat = (isNegative: false; QWordValue:  1932735283);
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            _0_5: hwFloat = (isNegative: false; QWordValue:  2147483648);
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           _0_55: hwFloat = (isNegative: false; QWordValue:  2362232012);
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            _0_6: hwFloat = (isNegative: false; QWordValue:  2576980377);
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           _0_64: hwFloat = (isNegative: false; QWordValue:  2748779064);
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            _0_7: hwFloat = (isNegative: false; QWordValue:  3006477107);
351
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unc0rr
parents:
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   141
            _0_8: hwFloat = (isNegative: false; QWordValue:  3435973837);
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unc0rr
parents:
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   142
           _0_84: hwFloat = (isNegative: false; QWordValue:  3607772528);
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unc0rr
parents:
diff changeset
   143
           _0_87: hwFloat = (isNegative: false; QWordValue:  3736621547);
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unc0rr
parents:
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   144
            _0_9: hwFloat = (isNegative: false; QWordValue:  3865470566);
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unc0rr
parents:
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   145
           _0_93: hwFloat = (isNegative: false; QWordValue:  3994319585);
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unc0rr
parents:
diff changeset
   146
           _0_96: hwFloat = (isNegative: false; QWordValue:  4123168604);
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unc0rr
parents:
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   147
          _0_995: hwFloat = (isNegative: false; QWordValue:  4273492459);
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unc0rr
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   148
          _0_999: hwFloat = (isNegative: false; QWordValue:  4290672328);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   149
              _0: hwFloat = (isNegative: false; QWordValue:           0);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   150
              _1: hwFloat = (isNegative: false; QWordValue:  4294967296);
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 498
diff changeset
   151
            _1_5: hwFloat = (isNegative: false; QWordValue:  4294967296 * 3 div 2);
3584
7c05f2e0a8b5 rope: another small optimization
sheepluva
parents: 3583
diff changeset
   152
            _1_9: hwFloat = (isNegative: false; QWordValue:  8160437862);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   153
              _2: hwFloat = (isNegative: false; QWordValue:  4294967296 * 2);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   154
              _3: hwFloat = (isNegative: false; QWordValue:  4294967296 * 3);
6785
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   155
             _PI: hwFloat = (isNegative: false; QWordValue: 13493037704);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   156
              _4: hwFloat = (isNegative: false; QWordValue:  4294967296 * 4);
6498
5678806aafca Some tiny optimizations
unc0rr
parents: 6443
diff changeset
   157
            _4_5: hwFloat = (isNegative: false; QWordValue:  4294967296 * 9 div 2);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   158
              _5: hwFloat = (isNegative: false; QWordValue:  4294967296 * 5);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   159
              _6: hwFloat = (isNegative: false; QWordValue:  4294967296 * 6);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   160
             _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
   161
             _12: hwFloat = (isNegative: false; QWordValue:  4294967296 * 12);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   162
             _16: hwFloat = (isNegative: false; QWordValue:  4294967296 * 16);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   163
             _19: hwFloat = (isNegative: false; QWordValue:  4294967296 * 19);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   164
             _20: hwFloat = (isNegative: false; QWordValue:  4294967296 * 20);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   165
             _25: hwFloat = (isNegative: false; QWordValue:  4294967296 * 25);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   166
             _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
   167
             _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
   168
             _50: hwFloat = (isNegative: false; QWordValue:  4294967296 * 50);
2933
02af54eb7e1e Experiment with barrels. Add rolling.
nemo
parents: 2905
diff changeset
   169
             _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
   170
             _90: hwFloat = (isNegative: false; QWordValue:  4294967296 * 90);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   171
            _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
   172
            _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
   173
            _250: hwFloat = (isNegative: false; QWordValue:  4294967296 * 250);
1915
c357f5b55320 patch by nemo:
unc0rr
parents: 1753
diff changeset
   174
            _256: hwFloat = (isNegative: false; QWordValue:  4294967296 * 256);
1124
1636a3c7c061 - Airplane is higher
unc0rr
parents: 1066
diff changeset
   175
            _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
   176
            _360: hwFloat = (isNegative: false; QWordValue:  4294967296 * 360);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   177
            _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
   178
           _1000: hwFloat = (isNegative: false; QWordValue:  4294967296 * 1000);
611
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
   179
           _1024: hwFloat = (isNegative: false; QWordValue:  4294967296 * 1024);
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
   180
           _2048: hwFloat = (isNegative: false; QWordValue:  4294967296 * 2048);
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1652
diff changeset
   181
           _4096: hwFloat = (isNegative: false; QWordValue:  4294967296 * 4096);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   182
          _10000: hwFloat = (isNegative: false; QWordValue:  4294967296 * 10000);
351
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   183
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         cLittle: hwFloat = (isNegative: false; QWordValue:           1);
967
8be3938d73c2 Don't let jumping hedgehog to move others
unc0rr
parents: 953
diff changeset
   185
         cHHKick: hwFloat = (isNegative: false; QWordValue:    42949673);  // _0_01
611
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
   186
{$WARNINGS ON}
351
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   187
{$ENDIF}
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   189
{$IFNDEF FPC}
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type hwFloat = Extended;
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   191
{$ENDIF}
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implementation
4415
941251bad467 SinTable.inc -> uSinTable.pas
unc0rr
parents: 4374
diff changeset
   194
uses uSinTable;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
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   195
3599
715a43602da8 sheepluva's inline patch, fix a crash in overlay
koda
parents: 3591
diff changeset
   196
351
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   197
{$IFDEF FPC}
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   198
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270f10276d2e - Remove deprecated code
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   199
function int2hwFloat (const i: LongInt) : hwFloat;
351
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begin
498
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   201
int2hwFloat.isNegative:= i < 0;
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int2hwFloat.Round:= abs(i);
9c8b385dc9a1 - Get rid of operator := to have GPC support
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int2hwFloat.Frac:= 0
351
29bc9c36ad5f Fixed-point arithmetics in engine.
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   204
end;
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   205
5151
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   206
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
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   207
begin
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
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hwFloat2Float:= i.QWordValue / $100000000;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
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diff changeset
   209
if i.isNegative then
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lovelacer
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diff changeset
   210
    hwFloat2Float:= -hwFloat2Float;
5151
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   211
end;
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   212
6415
af2047bb4f70 GSoC 2011: Android port - merged mainstream
koda
parents: 6328
diff changeset
   213
operator = (const z1, z2: hwFloat) z : boolean; inline;
5599
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   214
begin
5665
8805f3167058 fixed = operator in uFloat
Xeli
parents: 5599
diff changeset
   215
    z:= (z1.isNegative = z2.isNegative) and (z1.QWordValue = z2.QWordValue);
5599
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   216
end;
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   217
7043
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 7042
diff changeset
   218
{$IFDEF PAS2C}
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 6879
diff changeset
   219
operator <> (const z1, z2: hwFloat) z : boolean; inline;
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
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diff changeset
   220
begin
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 6879
diff changeset
   221
    z:= (z1.isNegative <> z2.isNegative) or (z1.QWordValue <> z2.QWordValue);
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 6879
diff changeset
   222
end;
7043
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 7042
diff changeset
   223
{$ENDIF}
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 6879
diff changeset
   224
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   225
operator + (const z1, z2: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
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   226
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
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   227
if z1.isNegative = z2.isNegative then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   228
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   229
    z.isNegative:= z1.isNegative;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   230
    z.QWordValue:= z1.QWordValue + z2.QWordValue
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lovelacer
parents: 6498
diff changeset
   231
    end
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
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   232
else
6580
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lovelacer
parents: 6498
diff changeset
   233
    if z1.QWordValue > z2.QWordValue then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   234
        begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   235
        z.isNegative:= z1.isNegative;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   236
        z.QWordValue:= z1.QWordValue - z2.QWordValue
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   237
        end
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   238
    else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   239
        begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   240
        z.isNegative:= z2.isNegative;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   241
        z.QWordValue:= z2.QWordValue - z1.QWordValue
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lovelacer
parents: 6498
diff changeset
   242
        end
351
29bc9c36ad5f Fixed-point arithmetics in engine.
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   243
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
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   244
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270f10276d2e - Remove deprecated code
unc0rr
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   245
operator - (const z1, z2: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
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   246
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   247
if z1.isNegative = z2.isNegative then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   248
    if z1.QWordValue > z2.QWordValue then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   249
        begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   250
        z.isNegative:= z1.isNegative;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   251
        z.QWordValue:= z1.QWordValue - z2.QWordValue
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   252
        end
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   253
    else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   254
        begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   255
        z.isNegative:= not z2.isNegative;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   256
        z.QWordValue:= z2.QWordValue - z1.QWordValue
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   257
        end
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   258
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   259
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   260
    z.isNegative:= z1.isNegative;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   261
    z.QWordValue:= z1.QWordValue + z2.QWordValue
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   262
    end
351
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) 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:= z1;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   268
z.isNegative:= not z.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   269
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   270
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
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   271
515
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unc0rr
parents: 513
diff changeset
   272
operator * (const z1, z2: hwFloat) z : hwFloat;
351
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;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   275
z.QWordValue:= QWord(z1.Round) * z2.Frac + QWord(z1.Frac) * z2.Round + ((QWord(z1.Frac) * z2.Frac) shr 32);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   276
z.Round:= z.Round + QWord(z1.Round) * z2.Round;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   277
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   278
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   279
operator * (const z1: hwFloat; const z2: LongInt) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   280
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   281
z.isNegative:= z1.isNegative xor (z2 < 0);
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   282
z.QWordValue:= z1.QWordValue * abs(z2)
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   283
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   284
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   285
operator / (const z1: hwFloat; z2: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   286
var t: hwFloat;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   287
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   288
z.isNegative:= z1.isNegative xor z2.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   289
z.Round:= z1.QWordValue div z2.QWordValue;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   290
t:= z1 - z2 * z.Round;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   291
if t.QWordValue = 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   292
    z.Frac:= 0
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   293
else
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   294
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   295
    while ((t.QWordValue and $8000000000000000) = 0) and ((z2.QWordValue and $8000000000000000) = 0) do
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   296
        begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   297
        t.QWordValue:= t.QWordValue shl 1;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   298
        z2.QWordValue:= z2.QWordValue shl 1
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   299
        end;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   300
    if z2.Round > 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   301
        z.Frac:= (t.QWordValue) div (z2.Round)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   302
    else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   303
        z.Frac:= 0
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   304
    end
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   305
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   306
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   307
operator / (const z1: hwFloat; const z2: LongInt) z : hwFloat;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   308
begin
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   309
z.isNegative:= z1.isNegative xor (z2 < 0);
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   310
z.QWordValue:= z1.QWordValue div abs(z2)
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   311
end;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   312
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   313
operator < (const z1, z2: hwFloat) b : boolean;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   314
begin
916
1d0022336fbb - Small optimization in hwFloat
unc0rr
parents: 883
diff changeset
   315
if z1.isNegative xor z2.isNegative then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   316
    b:= z1.isNegative
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   317
else
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   318
    if z1.QWordValue = z2.QWordValue then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   319
        b:= false
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   320
    else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   321
        b:= (z1.QWordValue < z2.QWordValue) xor z1.isNegative
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   322
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   323
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   324
operator > (const z1, z2: hwFloat) b : boolean;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   325
begin
916
1d0022336fbb - Small optimization in hwFloat
unc0rr
parents: 883
diff changeset
   326
if z1.isNegative xor z2.isNegative then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   327
    b:= z2.isNegative
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   328
else
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   329
    if z1.QWordValue = z2.QWordValue then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   330
        b:= false
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   331
    else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   332
        b:= (z1.QWordValue > z2.QWordValue) xor z2.isNegative
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   333
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   334
2905
f3c79f7193a9 Engine:
smxx
parents: 2784
diff changeset
   335
function cstr(const z: hwFloat): shortstring;
f3c79f7193a9 Engine:
smxx
parents: 2784
diff changeset
   336
var tmpstr: shortstring;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   337
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   338
str(z.Round, cstr);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   339
if z.Frac <> 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   340
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   341
    str(z.Frac / $100000000, tmpstr);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   342
    delete(tmpstr, 1, 2);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   343
    cstr:= cstr + '.' + copy(tmpstr, 1, 10)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   344
    end;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   345
if z.isNegative then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   346
    cstr:= '-' + cstr
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   347
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   348
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   349
function hwRound(const t: hwFloat): LongInt;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   350
begin
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   351
if t.isNegative then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   352
    hwRound:= -(t.Round and $7FFFFFFF)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   353
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   354
    hwRound:= t.Round and $7FFFFFFF
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   355
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   356
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   357
function hwAbs(const t: hwFloat): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   358
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   359
hwAbs:= t;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   360
hwAbs.isNegative:= false
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 hwSqr(const t: hwFloat): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   364
begin
1433
4af291d5d79c Repair flame dependancy on wind
unc0rr
parents: 1124
diff changeset
   365
hwSqr.isNegative:= false;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   366
hwSqr.QWordValue:= ((QWord(t.Round) * t.Round) shl 32) + QWord(t.Round) * t.Frac * 2 + ((QWord(t.Frac) * t.Frac) shr 32);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   367
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   368
6785
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   369
function hwPow(const t: hwFloat;p: LongWord): hwFloat;
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   370
begin
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   371
hwPow:= t;
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   372
if p mod 2 = 0 then hwPow.isNegative:= t.isNegative;
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   373
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   374
while p > 0 do
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   375
    begin
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   376
    hwPow.QWordValue:= QWord(hwPow.Round) * t.Frac + QWord(hwPow.Frac) * t.Round + ((QWord(hwPow.Frac) * t.Frac) shr 32);
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   377
    dec(p)
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   378
    end
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   379
end;
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   380
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   381
function hwSqrt(const t: hwFloat): hwFloat;
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   382
var l, r: QWord;
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   383
    c: hwFloat;
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   384
begin
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   385
hwSqrt.isNegative:= false;
744
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   386
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   387
if t.Round = 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   388
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   389
    l:= t.QWordValue;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   390
    r:= $100000000
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   391
    end
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   392
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   393
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   394
    l:= $100000000;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   395
    r:= t.QWordValue div 2 + $80000000; // r:= t / 2 + 0.5
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   396
    if r > $FFFFFFFFFFFF then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   397
        r:= $FFFFFFFFFFFF
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   398
    end;
744
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   399
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   400
repeat
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   401
    c.QWordValue:= (l + r) div 2;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   402
    if hwSqr(c).QWordValue > t.QWordValue then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   403
        r:= c.QWordValue
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   404
    else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   405
        l:= c.QWordValue
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   406
until r - l <= 1;
744
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   407
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   408
hwSqrt.QWordValue:= l
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   409
end;
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   410
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   411
function Distance(const dx, dy: hwFloat): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   412
begin
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   413
Distance:= hwSqrt(hwSqr(dx) + hwSqr(dy))
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   414
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   415
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   416
function DistanceI(const dx, dy: LongInt): hwFloat;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   417
begin
856
beecc5c5c71c - Fix braindead shotgun shot arithmetics
unc0rr
parents: 835
diff changeset
   418
DistanceI:= hwSqrt(int2hwFloat(sqr(dx) + sqr(dy)))
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   419
end;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   420
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   421
function SignAs(const num, signum: hwFloat): hwFloat;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   422
begin
856
beecc5c5c71c - Fix braindead shotgun shot arithmetics
unc0rr
parents: 835
diff changeset
   423
SignAs.QWordValue:= num.QWordValue;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   424
SignAs.isNegative:= signum.isNegative
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   425
end;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   426
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   427
function hwSign(r: hwFloat): LongInt;
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   428
begin
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   429
// yes, we have negative zero for a reason
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   430
if r.isNegative then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   431
    hwSign:= -1
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   432
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   433
    hwSign:= 1
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   434
end;
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   435
6879
f44042ba755c Simplify converter's life
unc0rr
parents: 6785
diff changeset
   436
function hwSignf(r: real): LongInt;
6775
22b5fb7217db Change rest of AI tests to floats, reenable snowball
nemo
parents: 6700
diff changeset
   437
begin
22b5fb7217db Change rest of AI tests to floats, reenable snowball
nemo
parents: 6700
diff changeset
   438
if r < 0 then
6879
f44042ba755c Simplify converter's life
unc0rr
parents: 6785
diff changeset
   439
    hwSignf:= -1
6775
22b5fb7217db Change rest of AI tests to floats, reenable snowball
nemo
parents: 6700
diff changeset
   440
else
6879
f44042ba755c Simplify converter's life
unc0rr
parents: 6785
diff changeset
   441
    hwSignf:= 1
6775
22b5fb7217db Change rest of AI tests to floats, reenable snowball
nemo
parents: 6700
diff changeset
   442
end;
22b5fb7217db Change rest of AI tests to floats, reenable snowball
nemo
parents: 6700
diff changeset
   443
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   444
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   445
function AngleSin(const Angle: Longword): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   446
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
   447
//TryDo((Angle >= 0) and (Angle <= 2048), 'Sin param exceeds limits', true);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   448
AngleSin.isNegative:= false;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   449
if Angle < 1024 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   450
    AngleSin.QWordValue:= SinTable[Angle]
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   451
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   452
    AngleSin.QWordValue:= SinTable[2048 - Angle]
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   453
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   454
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   455
function AngleCos(const Angle: Longword): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   456
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
   457
//TryDo((Angle >= 0) and (Angle <= 2048), 'Cos param exceeds limits', true);
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   458
AngleCos.isNegative:= Angle > 1024;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   459
if Angle < 1024 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   460
    AngleCos.QWordValue:= SinTable[1024 - Angle]
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   461
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   462
    AngleCos.QWordValue:= SinTable[Angle - 1024]
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   463
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   464
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
   465
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
   466
begin
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   467
isZero := z.QWordValue = 0;
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
   468
end;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   469
{$ENDIF}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   470
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   471
end.