hedgewars/uFloat.pas
author nemo
Wed, 29 Aug 2012 10:56:32 -0400
changeset 7624 03d662ff9c41
parent 7623 addc5b262617
child 7638 4560cd5b6ad0
permissions -rw-r--r--
A few more operators. Committing in case unc0rr wants to fiddle.
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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_0128: hwFloat = (isNegative: false; QWordValue:    54975581);
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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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parents: 3428
diff changeset
   140
           _0_64: hwFloat = (isNegative: false; QWordValue:  2748779064);
358
236bbd12d4d9 - New Land Generator
unc0rr
parents: 357
diff changeset
   141
            _0_7: hwFloat = (isNegative: false; QWordValue:  3006477107);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   142
            _0_8: hwFloat = (isNegative: false; QWordValue:  3435973837);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   143
           _0_84: hwFloat = (isNegative: false; QWordValue:  3607772528);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   144
           _0_87: hwFloat = (isNegative: false; QWordValue:  3736621547);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   145
            _0_9: hwFloat = (isNegative: false; QWordValue:  3865470566);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   146
           _0_93: hwFloat = (isNegative: false; QWordValue:  3994319585);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   147
           _0_96: hwFloat = (isNegative: false; QWordValue:  4123168604);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   148
          _0_995: hwFloat = (isNegative: false; QWordValue:  4273492459);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   149
          _0_999: hwFloat = (isNegative: false; QWordValue:  4290672328);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   150
              _0: hwFloat = (isNegative: false; QWordValue:           0);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   151
              _1: hwFloat = (isNegative: false; QWordValue:  4294967296);
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 498
diff changeset
   152
            _1_5: hwFloat = (isNegative: false; QWordValue:  4294967296 * 3 div 2);
7593
b966e2d833f2 An attempt to run main rope code only every 8th tick:
unc0rr
parents: 7515
diff changeset
   153
            _1_6: hwFloat = (isNegative: false; QWordValue:  4294967296 * 8 div 5);
3584
7c05f2e0a8b5 rope: another small optimization
sheepluva
parents: 3583
diff changeset
   154
            _1_9: hwFloat = (isNegative: false; QWordValue:  8160437862);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   155
              _2: hwFloat = (isNegative: false; QWordValue:  4294967296 * 2);
7593
b966e2d833f2 An attempt to run main rope code only every 8th tick:
unc0rr
parents: 7515
diff changeset
   156
            _2_4: hwFloat = (isNegative: false; QWordValue:  4294967296 * 12 div 5);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   157
              _3: hwFloat = (isNegative: false; QWordValue:  4294967296 * 3);
6785
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   158
             _PI: hwFloat = (isNegative: false; QWordValue: 13493037704);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   159
              _4: hwFloat = (isNegative: false; QWordValue:  4294967296 * 4);
6498
5678806aafca Some tiny optimizations
unc0rr
parents: 6443
diff changeset
   160
            _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
   161
              _5: hwFloat = (isNegative: false; QWordValue:  4294967296 * 5);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   162
              _6: hwFloat = (isNegative: false; QWordValue:  4294967296 * 6);
7594
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   163
            _6_4: hwFloat = (isNegative: false; QWordValue:  3435973837 * 8);
7593
b966e2d833f2 An attempt to run main rope code only every 8th tick:
unc0rr
parents: 7515
diff changeset
   164
              _7: hwFloat = (isNegative: false; QWordValue:  4294967296 * 7);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   165
             _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
   166
             _12: hwFloat = (isNegative: false; QWordValue:  4294967296 * 12);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   167
             _16: hwFloat = (isNegative: false; QWordValue:  4294967296 * 16);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   168
             _19: hwFloat = (isNegative: false; QWordValue:  4294967296 * 19);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   169
             _20: hwFloat = (isNegative: false; QWordValue:  4294967296 * 20);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   170
             _25: hwFloat = (isNegative: false; QWordValue:  4294967296 * 25);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   171
             _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
   172
             _40: hwFloat = (isNegative: false; QWordValue:  4294967296 * 40);
7594
5f03595335e6 fromdos + fix end of turn velocity
nemo
parents: 7593
diff changeset
   173
             _41: hwFloat = (isNegative: false; QWordValue:  4294967296 * 41);
7593
b966e2d833f2 An attempt to run main rope code only every 8th tick:
unc0rr
parents: 7515
diff changeset
   174
             _49: hwFloat = (isNegative: false; QWordValue:  4294967296 * 49);
3036
c6ba6531cb4b Make barrels a little more likely to blow up. 25% more damage in fall
nemo
parents: 2955
diff changeset
   175
             _50: hwFloat = (isNegative: false; QWordValue:  4294967296 * 50);
2933
02af54eb7e1e Experiment with barrels. Add rolling.
nemo
parents: 2905
diff changeset
   176
             _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
   177
             _90: hwFloat = (isNegative: false; QWordValue:  4294967296 * 90);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   178
            _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
   179
            _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
   180
            _250: hwFloat = (isNegative: false; QWordValue:  4294967296 * 250);
1915
c357f5b55320 patch by nemo:
unc0rr
parents: 1753
diff changeset
   181
            _256: hwFloat = (isNegative: false; QWordValue:  4294967296 * 256);
1124
1636a3c7c061 - Airplane is higher
unc0rr
parents: 1066
diff changeset
   182
            _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
   183
            _360: hwFloat = (isNegative: false; QWordValue:  4294967296 * 360);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   184
            _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
   185
           _1000: hwFloat = (isNegative: false; QWordValue:  4294967296 * 1000);
611
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
   186
           _1024: hwFloat = (isNegative: false; QWordValue:  4294967296 * 1024);
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
   187
           _2048: hwFloat = (isNegative: false; QWordValue:  4294967296 * 2048);
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1652
diff changeset
   188
           _4096: hwFloat = (isNegative: false; QWordValue:  4294967296 * 4096);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   189
          _10000: hwFloat = (isNegative: false; QWordValue:  4294967296 * 10000);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   190
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   191
         cLittle: hwFloat = (isNegative: false; QWordValue:           1);
967
8be3938d73c2 Don't let jumping hedgehog to move others
unc0rr
parents: 953
diff changeset
   192
         cHHKick: hwFloat = (isNegative: false; QWordValue:    42949673);  // _0_01
611
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
   193
{$WARNINGS ON}
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   194
{$ENDIF}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   195
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   196
{$IFNDEF FPC}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   197
type hwFloat = Extended;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   198
{$ENDIF}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   199
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   200
implementation
4415
941251bad467 SinTable.inc -> uSinTable.pas
unc0rr
parents: 4374
diff changeset
   201
uses uSinTable;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   202
3599
715a43602da8 sheepluva's inline patch, fix a crash in overlay
koda
parents: 3591
diff changeset
   203
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   204
{$IFDEF FPC}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   205
7624
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   206
function int2hwFloat (const i: LongInt) : hwFloat; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   207
begin
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   208
int2hwFloat.isNegative:= i < 0;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   209
int2hwFloat.Round:= abs(i);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   210
int2hwFloat.Frac:= 0
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   211
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   212
7624
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   213
function hwFloat2Float (const i: hwFloat) : extended; inline;
5151
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   214
begin
7614
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   215
hwFloat2Float:= i.Frac / $100000000 + i.Round;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   216
if i.isNegative then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   217
    hwFloat2Float:= -hwFloat2Float;
5151
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   218
end;
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   219
7614
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   220
{$IFNDEF WEB}
6415
af2047bb4f70 GSoC 2011: Android port - merged mainstream
koda
parents: 6328
diff changeset
   221
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
   222
begin
5665
8805f3167058 fixed = operator in uFloat
Xeli
parents: 5599
diff changeset
   223
    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
   224
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
   225
7043
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 7042
diff changeset
   226
{$IFDEF PAS2C}
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 6879
diff changeset
   227
operator <> (const z1, z2: hwFloat) z : boolean; inline;
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 6879
diff changeset
   228
begin
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 6879
diff changeset
   229
    z:= (z1.isNegative <> z2.isNegative) or (z1.QWordValue <> z2.QWordValue);
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 6879
diff changeset
   230
end;
7043
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 7042
diff changeset
   231
{$ENDIF}
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 6879
diff changeset
   232
7624
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   233
operator + (const z1, z2: hwFloat) z : hwFloat; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   234
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   235
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
   236
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   237
    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
   238
    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
   239
    end
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   240
else
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   241
    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
   242
        begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   243
        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
   244
        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
   245
        end
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   246
    else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   247
        begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   248
        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
   249
        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
   250
        end
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   251
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   252
7624
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   253
operator - (const z1, z2: hwFloat) z : hwFloat; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   254
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   255
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
   256
    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
   257
        begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   258
        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
   259
        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
   260
        end
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   261
    else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   262
        begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   263
        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
   264
        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
   265
        end
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   266
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   267
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   268
    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
   269
    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
   270
    end
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   271
end;
7623
addc5b262617 isZero appears to be never used. Use it in a few obvious cases and add web variant.
nemo
parents: 7614
diff changeset
   272
addc5b262617 isZero appears to be never used. Use it in a few obvious cases and add web variant.
nemo
parents: 7614
diff changeset
   273
function isZero(const z: hwFloat): boolean; inline; 
addc5b262617 isZero appears to be never used. Use it in a few obvious cases and add web variant.
nemo
parents: 7614
diff changeset
   274
begin
addc5b262617 isZero appears to be never used. Use it in a few obvious cases and add web variant.
nemo
parents: 7614
diff changeset
   275
isZero := z.QWordValue = 0;
addc5b262617 isZero appears to be never used. Use it in a few obvious cases and add web variant.
nemo
parents: 7614
diff changeset
   276
end;
7624
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   277
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   278
operator < (const z1, z2: hwFloat) b : boolean; inline;
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   279
begin
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   280
if z1.isNegative xor z2.isNegative then
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   281
    b:= z1.isNegative
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   282
else
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   283
    if z1.QWordValue = z2.QWordValue then
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   284
        b:= false
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   285
    else
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   286
        b:= not((z1.QWordValue = z2.QWordValue) or ((z2.QWordValue < z1.QWordValue) <> z1.isNegative))
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   287
end;
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   288
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   289
operator > (const z1, z2: hwFloat) b : boolean; inline;
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   290
begin
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   291
if z1.isNegative xor z2.isNegative then
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   292
    b:= z2.isNegative
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   293
else
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   294
    if z1.QWordValue = z2.QWordValue then
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   295
        b:= false
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   296
    else
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   297
        b:= (z1.QWordValue > z2.QWordValue) <> z2.isNegative
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   298
end;
7614
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   299
{$ENDIF}
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   300
{$IFDEF WEB}
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   301
(*
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   302
    Mostly to be kind to JS as of 2012-08-27 where there is no int64/uint64.  This may change though.
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   303
*)
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   304
operator = (const z1, z2: hwFloat) z : boolean; inline;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   305
begin
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   306
    z:= (z1.isNegative = z2.isNegative) and (z1.Frac = z2.Frac) and (z1.Round = z2.Round);
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   307
end;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   308
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   309
operator <> (const z1, z2: hwFloat) z : boolean; inline;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   310
begin
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   311
    z:= (z1.isNegative <> z2.isNegative) or (z1.Frac <> z2.Frac) or (z1.Round <> z2.Round);
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   312
end;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   313
7624
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   314
operator + (const z1, z2: hwFloat) z : hwFloat; inline;
7614
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   315
begin
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   316
if z1.isNegative = z2.isNegative then
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   317
    begin
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   318
    z:= z1;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   319
    z.Frac:= z.Frac + z2.Frac;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   320
    z.Round:= z.Round + z2.Round;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   321
    if z.Frac<z1.Frac then inc(z.Round)
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   322
    end
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   323
else
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   324
    if (z1.Round > z2.Round) or ((z1.Round = z2.Round) and (z1.Frac > z2.Frac)) then
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   325
        begin
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   326
        z.isNegative:= z1.isNegative;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   327
        z.Round:= z1.Round - z2.Round;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   328
        z.Frac:= z1.Frac - z2.Frac;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   329
        if z2.Frac > z1.Frac then dec(z.Round)
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   330
        end
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   331
    else
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   332
        begin
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   333
        z.isNegative:= z2.isNegative;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   334
        z.Round:= z2.Round - z1.Round;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   335
        z.Frac:= z2.Frac-z1.Frac;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   336
        if z2.Frac < z1.Frac then dec(z.Round)
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   337
        end
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   338
end;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   339
7624
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   340
operator - (const z1, z2: hwFloat) z : hwFloat; inline;
7614
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   341
begin
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   342
if z1.isNegative = z2.isNegative then
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   343
    if (z1.Round > z2.Round) or ((z1.Round = z2.Round) and (z1.Frac > z2.Frac)) then
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   344
        begin
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   345
        z.isNegative:= z1.isNegative;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   346
        z.Round:= z1.Round - z2.Round;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   347
        z.Frac:= z1.Frac-z2.Frac;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   348
        if z2.Frac > z1.Frac then dec(z.Round)
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   349
        end
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   350
    else
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   351
        begin
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   352
        z.isNegative:= not z2.isNegative;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   353
        z.Round:= z2.Round - z1.Round;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   354
        z.Frac:= z2.Frac-z1.Frac;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   355
        if z2.Frac < z1.Frac then dec(z.Round)
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   356
        end
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   357
else
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   358
    begin
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   359
    z:= z1;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   360
    z.Frac:= z.Frac + z2.Frac;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   361
    z.Round:= z.Round + z2.Round;
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   362
    if z.Frac<z1.Frac then inc(z.Round)
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   363
    end
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   364
end;
7623
addc5b262617 isZero appears to be never used. Use it in a few obvious cases and add web variant.
nemo
parents: 7614
diff changeset
   365
7624
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   366
operator < (const z1, z2: hwFloat) b : boolean; inline;
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   367
begin
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   368
if z1.isNegative xor z2.isNegative then
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   369
    b:= z1.isNegative
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   370
else
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   371
(*  Not so sure this specialcase is a win w/ Round/Frac. have to do more tests anyway.
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   372
    if (z1.Round = z2.Round and (z1.Frac = z2.Frac)) then
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   373
        b:= false
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   374
    else *)
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   375
        b:= ((z1.Round < z2.Round) or ((z1.Round = z2.Round) and (z1.Frac < z2.Frac))) <> z1.isNegative
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   376
end;
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   377
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   378
operator > (const z1, z2: hwFloat) b : boolean; inline;
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   379
begin
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   380
if z1.isNegative xor z2.isNegative then
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   381
    b:= z2.isNegative
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   382
else
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   383
(*
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   384
    if z1.QWordValue = z2.QWordValue then
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   385
        b:= false
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   386
    else*)
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   387
        b:= ((z1.Round > z2.Round) or ((z1.Round = z2.Round) and (z1.Frac > z2.Frac))) <> z1.isNegative
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   388
end;
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   389
7623
addc5b262617 isZero appears to be never used. Use it in a few obvious cases and add web variant.
nemo
parents: 7614
diff changeset
   390
function isZero(const z: hwFloat): boolean; inline; 
addc5b262617 isZero appears to be never used. Use it in a few obvious cases and add web variant.
nemo
parents: 7614
diff changeset
   391
begin
addc5b262617 isZero appears to be never used. Use it in a few obvious cases and add web variant.
nemo
parents: 7614
diff changeset
   392
isZero := z.Round = 0 and z.Frac = 0;
addc5b262617 isZero appears to be never used. Use it in a few obvious cases and add web variant.
nemo
parents: 7614
diff changeset
   393
end;
7614
3ae60c8a15f2 Starting to rewrite uFloat routines to avoid QWordValue - in the interests of JS which may get uint64/int64 in the spec in the future but does not have it now.
nemo
parents: 7594
diff changeset
   394
{$ENDIF}
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   395
7624
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   396
operator - (const z1: hwFloat) z : hwFloat; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   397
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   398
z:= z1;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   399
z.isNegative:= not z.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   400
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   401
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   402
7624
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   403
operator * (const z1, z2: hwFloat) z : hwFloat; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   404
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   405
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
   406
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
   407
z.Round:= z.Round + QWord(z1.Round) * z2.Round;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   408
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   409
7624
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   410
operator * (const z1: hwFloat; const z2: LongInt) z : hwFloat; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   411
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   412
z.isNegative:= z1.isNegative xor (z2 < 0);
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   413
z.QWordValue:= z1.QWordValue * abs(z2)
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   414
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   415
7624
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   416
operator / (const z1: hwFloat; z2: hwFloat) z : hwFloat; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   417
var t: hwFloat;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   418
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   419
z.isNegative:= z1.isNegative xor z2.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   420
z.Round:= z1.QWordValue div z2.QWordValue;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   421
t:= z1 - z2 * z.Round;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   422
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
   423
    z.Frac:= 0
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   424
else
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   425
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   426
    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
   427
        begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   428
        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
   429
        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
   430
        end;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   431
    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
   432
        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
   433
    else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   434
        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
   435
    end
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   436
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   437
7624
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   438
operator / (const z1: hwFloat; const z2: LongInt) z : hwFloat; inline;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   439
begin
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   440
z.isNegative:= z1.isNegative xor (z2 < 0);
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   441
z.QWordValue:= z1.QWordValue div abs(z2)
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   442
end;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   443
2905
f3c79f7193a9 Engine:
smxx
parents: 2784
diff changeset
   444
function cstr(const z: hwFloat): shortstring;
f3c79f7193a9 Engine:
smxx
parents: 2784
diff changeset
   445
var tmpstr: shortstring;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   446
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   447
str(z.Round, cstr);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   448
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
   449
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   450
    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
   451
    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
   452
    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
   453
    end;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   454
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
   455
    cstr:= '-' + cstr
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   456
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   457
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   458
function hwRound(const t: hwFloat): LongInt;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   459
begin
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   460
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
   461
    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
   462
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   463
    hwRound:= t.Round and $7FFFFFFF
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   464
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   465
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   466
function hwAbs(const t: hwFloat): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   467
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   468
hwAbs:= t;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   469
hwAbs.isNegative:= false
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   470
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   471
7624
03d662ff9c41 A few more operators. Committing in case unc0rr wants to fiddle.
nemo
parents: 7623
diff changeset
   472
function hwSqr(const t: hwFloat): hwFloat; inline;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   473
begin
1433
4af291d5d79c Repair flame dependancy on wind
unc0rr
parents: 1124
diff changeset
   474
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
   475
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
   476
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   477
6785
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   478
function hwPow(const t: hwFloat;p: LongWord): hwFloat;
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   479
begin
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   480
hwPow:= t;
7515
nemo
parents: 7043
diff changeset
   481
if p mod 2 = 0 then hwPow.isNegative:= false;
6785
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   482
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   483
while p > 0 do
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   484
    begin
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   485
    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
   486
    dec(p)
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   487
    end
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   488
end;
a8aa5984185f Allow RC plane to go through portals
nemo
parents: 6775
diff changeset
   489
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   490
function hwSqrt(const t: hwFloat): hwFloat;
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   491
var l, r: QWord;
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   492
    c: hwFloat;
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   493
begin
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   494
hwSqrt.isNegative:= false;
744
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   495
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   496
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
   497
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   498
    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
   499
    r:= $100000000
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   500
    end
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   501
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   502
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   503
    l:= $100000000;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   504
    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
   505
    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
   506
        r:= $FFFFFFFFFFFF
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   507
    end;
744
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   508
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   509
repeat
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   510
    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
   511
    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
   512
        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
   513
    else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   514
        l:= c.QWordValue
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   515
until r - l <= 1;
744
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   516
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   517
hwSqrt.QWordValue:= l
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   518
end;
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   519
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   520
function Distance(const dx, dy: hwFloat): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   521
begin
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   522
Distance:= hwSqrt(hwSqr(dx) + hwSqr(dy))
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   523
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   524
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   525
function DistanceI(const dx, dy: LongInt): hwFloat;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   526
begin
856
beecc5c5c71c - Fix braindead shotgun shot arithmetics
unc0rr
parents: 835
diff changeset
   527
DistanceI:= hwSqrt(int2hwFloat(sqr(dx) + sqr(dy)))
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   528
end;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   529
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   530
function SignAs(const num, signum: hwFloat): hwFloat;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   531
begin
856
beecc5c5c71c - Fix braindead shotgun shot arithmetics
unc0rr
parents: 835
diff changeset
   532
SignAs.QWordValue:= num.QWordValue;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   533
SignAs.isNegative:= signum.isNegative
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   534
end;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   535
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   536
function hwSign(r: hwFloat): LongInt;
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   537
begin
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   538
// 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
   539
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
   540
    hwSign:= -1
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   541
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   542
    hwSign:= 1
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   543
end;
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   544
6879
f44042ba755c Simplify converter's life
unc0rr
parents: 6785
diff changeset
   545
function hwSignf(r: real): LongInt;
6775
22b5fb7217db Change rest of AI tests to floats, reenable snowball
nemo
parents: 6700
diff changeset
   546
begin
22b5fb7217db Change rest of AI tests to floats, reenable snowball
nemo
parents: 6700
diff changeset
   547
if r < 0 then
6879
f44042ba755c Simplify converter's life
unc0rr
parents: 6785
diff changeset
   548
    hwSignf:= -1
6775
22b5fb7217db Change rest of AI tests to floats, reenable snowball
nemo
parents: 6700
diff changeset
   549
else
6879
f44042ba755c Simplify converter's life
unc0rr
parents: 6785
diff changeset
   550
    hwSignf:= 1
6775
22b5fb7217db Change rest of AI tests to floats, reenable snowball
nemo
parents: 6700
diff changeset
   551
end;
22b5fb7217db Change rest of AI tests to floats, reenable snowball
nemo
parents: 6700
diff changeset
   552
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   553
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   554
function AngleSin(const Angle: Longword): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   555
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
   556
//TryDo((Angle >= 0) and (Angle <= 2048), 'Sin param exceeds limits', true);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   557
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
   558
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
   559
    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
   560
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   561
    AngleSin.QWordValue:= SinTable[2048 - Angle]
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   562
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   563
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   564
function AngleCos(const Angle: Longword): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   565
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
   566
//TryDo((Angle >= 0) and (Angle <= 2048), 'Cos param exceeds limits', true);
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   567
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
   568
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
   569
    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
   570
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6498
diff changeset
   571
    AngleCos.QWordValue:= SinTable[Angle - 1024]
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   572
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   573
{$ENDIF}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   574
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   575
end.