hedgewars/uFloat.pas
author Xeli
Thu, 24 Nov 2011 13:44:30 +0100
branchhedgeroid
changeset 6350 41b0a9955c47
parent 6328 d14adf1c7721
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permissions -rw-r--r--
new download manager \o/
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2011 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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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 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 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);
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            _0_8: hwFloat = (isNegative: false; QWordValue:  3435973837);
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           _0_84: hwFloat = (isNegative: false; QWordValue:  3607772528);
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           _0_87: hwFloat = (isNegative: false; QWordValue:  3736621547);
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            _0_9: hwFloat = (isNegative: false; QWordValue:  3865470566);
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           _0_93: hwFloat = (isNegative: false; QWordValue:  3994319585);
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           _0_96: hwFloat = (isNegative: false; QWordValue:  4123168604);
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unc0rr
parents:
diff changeset
   142
          _0_995: hwFloat = (isNegative: false; QWordValue:  4273492459);
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unc0rr
parents:
diff changeset
   143
          _0_999: hwFloat = (isNegative: false; QWordValue:  4290672328);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   144
              _0: hwFloat = (isNegative: false; QWordValue:           0);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   145
              _1: hwFloat = (isNegative: false; QWordValue:  4294967296);
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 498
diff changeset
   146
            _1_5: hwFloat = (isNegative: false; QWordValue:  4294967296 * 3 div 2);
3584
7c05f2e0a8b5 rope: another small optimization
sheepluva
parents: 3583
diff changeset
   147
            _1_9: hwFloat = (isNegative: false; QWordValue:  8160437862);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   148
              _2: hwFloat = (isNegative: false; QWordValue:  4294967296 * 2);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   149
              _3: hwFloat = (isNegative: false; QWordValue:  4294967296 * 3);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   150
              _4: hwFloat = (isNegative: false; QWordValue:  4294967296 * 4);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   151
              _5: hwFloat = (isNegative: false; QWordValue:  4294967296 * 5);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   152
              _6: hwFloat = (isNegative: false; QWordValue:  4294967296 * 6);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   153
             _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
   154
             _12: hwFloat = (isNegative: false; QWordValue:  4294967296 * 12);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   155
             _16: hwFloat = (isNegative: false; QWordValue:  4294967296 * 16);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   156
             _19: hwFloat = (isNegative: false; QWordValue:  4294967296 * 19);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   157
             _20: hwFloat = (isNegative: false; QWordValue:  4294967296 * 20);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   158
             _25: hwFloat = (isNegative: false; QWordValue:  4294967296 * 25);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   159
             _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
   160
             _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
   161
             _50: hwFloat = (isNegative: false; QWordValue:  4294967296 * 50);
2933
02af54eb7e1e Experiment with barrels. Add rolling.
nemo
parents: 2905
diff changeset
   162
             _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
   163
             _90: hwFloat = (isNegative: false; QWordValue:  4294967296 * 90);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   164
            _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
   165
            _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
   166
            _250: hwFloat = (isNegative: false; QWordValue:  4294967296 * 250);
1915
c357f5b55320 patch by nemo:
unc0rr
parents: 1753
diff changeset
   167
            _256: hwFloat = (isNegative: false; QWordValue:  4294967296 * 256);
1124
1636a3c7c061 - Airplane is higher
unc0rr
parents: 1066
diff changeset
   168
            _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
   169
            _360: hwFloat = (isNegative: false; QWordValue:  4294967296 * 360);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   170
            _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
   171
           _1000: hwFloat = (isNegative: false; QWordValue:  4294967296 * 1000);
611
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
   172
           _1024: hwFloat = (isNegative: false; QWordValue:  4294967296 * 1024);
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
   173
           _2048: hwFloat = (isNegative: false; QWordValue:  4294967296 * 2048);
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1652
diff changeset
   174
           _4096: hwFloat = (isNegative: false; QWordValue:  4294967296 * 4096);
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   175
          _10000: hwFloat = (isNegative: false; QWordValue:  4294967296 * 10000);
351
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unc0rr
parents:
diff changeset
   176
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
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   177
         cLittle: hwFloat = (isNegative: false; QWordValue:           1);
967
8be3938d73c2 Don't let jumping hedgehog to move others
unc0rr
parents: 953
diff changeset
   178
         cHHKick: hwFloat = (isNegative: false; QWordValue:    42949673);  // _0_01
611
8cf6d27cec86 Fix warnings
unc0rr
parents: 543
diff changeset
   179
{$WARNINGS ON}
351
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unc0rr
parents:
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   180
{$ENDIF}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
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   181
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unc0rr
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   182
{$IFNDEF FPC}
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unc0rr
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   183
type hwFloat = Extended;
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unc0rr
parents:
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   184
{$ENDIF}
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unc0rr
parents:
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   185
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
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   186
implementation
4415
941251bad467 SinTable.inc -> uSinTable.pas
unc0rr
parents: 4374
diff changeset
   187
uses uSinTable;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   188
3599
715a43602da8 sheepluva's inline patch, fix a crash in overlay
koda
parents: 3591
diff changeset
   189
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   190
{$IFDEF FPC}
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unc0rr
parents:
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   191
515
270f10276d2e - Remove deprecated code
unc0rr
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   192
function int2hwFloat (const i: LongInt) : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   193
begin
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
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diff changeset
   194
int2hwFloat.isNegative:= i < 0;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   195
int2hwFloat.Round:= abs(i);
9c8b385dc9a1 - Get rid of operator := to have GPC support
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diff changeset
   196
int2hwFloat.Frac:= 0
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
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diff changeset
   197
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   198
5151
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   199
function hwFloat2Float (const i: hwFloat) : extended;
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   200
begin
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   201
hwFloat2Float:= i.QWordValue / $100000000;
5192
881c14f81d12 Optimize hwFloat2Float a bit
unc0rr
parents: 5151
diff changeset
   202
if i.isNegative then hwFloat2Float:= -hwFloat2Float;
5151
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   203
end;
cbadb9fa52fc An experiment - make bazooka AI use float instead of hwFloat - should be as accurate, but faster.
nemo
parents: 5124
diff changeset
   204
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
   205
operator = (const z1, z2: hwFloat) z:boolean; inline;
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   206
begin
5665
8805f3167058 fixed = operator in uFloat
Xeli
parents: 5599
diff changeset
   207
    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
   208
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
   209
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   210
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   211
operator + (const z1, z2: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
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   212
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   213
if z1.isNegative = z2.isNegative then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   214
   begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   215
   z.isNegative:= z1.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   216
   z.QWordValue:= z1.QWordValue + z2.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   217
   end
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   218
else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   219
   if z1.QWordValue > z2.QWordValue then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   220
      begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   221
      z.isNegative:= z1.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   222
      z.QWordValue:= z1.QWordValue - z2.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   223
      end else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   224
      begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   225
      z.isNegative:= z2.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   226
      z.QWordValue:= z2.QWordValue - z1.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   227
      end
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   228
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   229
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   230
operator - (const z1, z2: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   231
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   232
if z1.isNegative = z2.isNegative then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   233
   if z1.QWordValue > z2.QWordValue then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   234
      begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   235
      z.isNegative:= z1.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   236
      z.QWordValue:= z1.QWordValue - z2.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   237
      end else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   238
      begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   239
      z.isNegative:= not z2.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   240
      z.QWordValue:= z2.QWordValue - z1.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   241
      end
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   242
else begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   243
     z.isNegative:= z1.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   244
     z.QWordValue:= z1.QWordValue + z2.QWordValue
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   245
     end
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   246
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   247
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   248
operator - (const z1: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   249
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   250
z:= z1;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   251
z.isNegative:= not z.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   252
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   253
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   254
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   255
operator * (const z1, z2: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   256
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   257
z.isNegative:= z1.isNegative xor z2.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   258
z.QWordValue:= QWord(z1.Round) * z2.Frac +
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   259
               QWord(z1.Frac) * z2.Round +
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   260
               ((QWord(z1.Frac) * z2.Frac) shr 32);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   261
z.Round:= z.Round + QWord(z1.Round) * z2.Round;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   262
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   263
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   264
operator * (const z1: hwFloat; const z2: LongInt) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   265
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   266
z.isNegative:= z1.isNegative xor (z2 < 0);
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   267
z.QWordValue:= z1.QWordValue * abs(z2)
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   268
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   269
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   270
operator / (const z1: hwFloat; z2: hwFloat) z : hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   271
var t: hwFloat;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   272
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   273
z.isNegative:= z1.isNegative xor z2.isNegative;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   274
z.Round:= z1.QWordValue div z2.QWordValue;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   275
t:= z1 - z2 * z.Round;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   276
if t.QWordValue = 0 then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   277
   z.Frac:= 0
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   278
else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   279
   begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   280
   while ((t.QWordValue and $8000000000000000) = 0) and
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   281
         ((z2.QWordValue and $8000000000000000) = 0) do
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   282
         begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   283
         t.QWordValue:= t.QWordValue shl 1;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   284
         z2.QWordValue:= z2.QWordValue shl 1
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   285
         end;
543
465e2ec8f05f - Better randomness of placing hedgehogs on the land
unc0rr
parents: 538
diff changeset
   286
   if z2.Round > 0 then z.Frac:= (t.QWordValue) div (z2.Round)
465e2ec8f05f - Better randomness of placing hedgehogs on the land
unc0rr
parents: 538
diff changeset
   287
                   else z.Frac:= 0
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   288
   end
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   289
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   290
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   291
operator / (const z1: hwFloat; const z2: LongInt) z : hwFloat;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   292
begin
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   293
z.isNegative:= z1.isNegative xor (z2 < 0);
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   294
z.QWordValue:= z1.QWordValue div abs(z2)
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   295
end;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   296
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   297
operator < (const z1, z2: hwFloat) b : boolean;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   298
begin
916
1d0022336fbb - Small optimization in hwFloat
unc0rr
parents: 883
diff changeset
   299
if z1.isNegative xor z2.isNegative then
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   300
   b:= z1.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   301
else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   302
   if z1.QWordValue = z2.QWordValue then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   303
      b:= false
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   304
   else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   305
      b:= (z1.QWordValue < z2.QWordValue) xor z1.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   306
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   307
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   308
operator > (const z1, z2: hwFloat) b : boolean;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   309
begin
916
1d0022336fbb - Small optimization in hwFloat
unc0rr
parents: 883
diff changeset
   310
if z1.isNegative xor z2.isNegative then
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   311
   b:= z2.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   312
else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   313
   if z1.QWordValue = z2.QWordValue then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   314
      b:= false
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   315
   else
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   316
      b:= (z1.QWordValue > z2.QWordValue) xor z2.isNegative
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   317
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   318
2905
f3c79f7193a9 Engine:
smxx
parents: 2784
diff changeset
   319
function cstr(const z: hwFloat): shortstring;
f3c79f7193a9 Engine:
smxx
parents: 2784
diff changeset
   320
var tmpstr: shortstring;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   321
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   322
str(z.Round, cstr);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   323
if z.Frac <> 0 then
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   324
   begin
6311
1f7af64d5565 Less precision - less confusion
unc0rr
parents: 6295
diff changeset
   325
   str(z.Frac / $100000000:1:10, tmpstr);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   326
   delete(tmpstr, 1, 2);
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   327
   cstr:= cstr + '.' + tmpstr
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   328
   end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   329
if z.isNegative then cstr:= '-' + cstr
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   330
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   331
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   332
function hwRound(const t: hwFloat): LongInt;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   333
begin
2300
d633bc70c893 prevent overflow
nemo
parents: 1915
diff changeset
   334
if t.isNegative then hwRound:= -(t.Round and $7FFFFFFF)
d633bc70c893 prevent overflow
nemo
parents: 1915
diff changeset
   335
                else hwRound:= t.Round and $7FFFFFFF
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   336
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   337
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   338
function hwAbs(const t: hwFloat): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   339
begin
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   340
hwAbs:= t;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   341
hwAbs.isNegative:= false
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   342
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   343
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   344
function hwSqr(const t: hwFloat): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   345
begin
1433
4af291d5d79c Repair flame dependancy on wind
unc0rr
parents: 1124
diff changeset
   346
hwSqr.isNegative:= false;
4af291d5d79c Repair flame dependancy on wind
unc0rr
parents: 1124
diff changeset
   347
hwSqr.QWordValue:=
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2933
diff changeset
   348
      ((QWord(t.Round) * t.Round) shl 32)
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2933
diff changeset
   349
    + QWord(t.Round) * t.Frac * 2
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2933
diff changeset
   350
    + ((QWord(t.Frac) * t.Frac) shr 32);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   351
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   352
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   353
function hwSqrt(const t: hwFloat): hwFloat;
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   354
var l, r: QWord;
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   355
    c: hwFloat;
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   356
begin
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   357
hwSqrt.isNegative:= false;
744
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   358
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   359
if t.Round = 0 then
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   360
   begin
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   361
   l:= t.QWordValue;
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   362
   r:= $100000000
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   363
   end else
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   364
   begin
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   365
   l:= $100000000;
953
237fc147950c Fix bug in hwSqrt when calculating square root of number >= 65536
unc0rr
parents: 916
diff changeset
   366
   r:= t.QWordValue div 2 + $80000000; // r:= t / 2 + 0.5
237fc147950c Fix bug in hwSqrt when calculating square root of number >= 65536
unc0rr
parents: 916
diff changeset
   367
   if r > $FFFFFFFFFFFF then r:= $FFFFFFFFFFFF
744
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   368
   end;
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   369
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   370
repeat
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   371
  c.QWordValue:= (l + r) div 2;
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   372
  if hwSqr(c).QWordValue > t.QWordValue then r:= c.QWordValue else l:= c.QWordValue
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   373
until r - l <= 1;
744
7a9663194767 - Remove debug
unc0rr
parents: 738
diff changeset
   374
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   375
hwSqrt.QWordValue:= l
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   376
end;
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   377
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   378
function Distance(const dx, dy: hwFloat): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   379
begin
738
d7f640e99b17 Ignore many files, created by build system
unc0rr
parents: 611
diff changeset
   380
Distance:= hwSqrt(hwSqr(dx) + hwSqr(dy))
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   381
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   382
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   383
function DistanceI(const dx, dy: LongInt): hwFloat;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   384
begin
856
beecc5c5c71c - Fix braindead shotgun shot arithmetics
unc0rr
parents: 835
diff changeset
   385
DistanceI:= hwSqrt(int2hwFloat(sqr(dx) + sqr(dy)))
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   386
end;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   387
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   388
function SignAs(const num, signum: hwFloat): hwFloat;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   389
begin
856
beecc5c5c71c - Fix braindead shotgun shot arithmetics
unc0rr
parents: 835
diff changeset
   390
SignAs.QWordValue:= num.QWordValue;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   391
SignAs.isNegative:= signum.isNegative
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   392
end;
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 493
diff changeset
   393
4374
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   394
function hwSign(r: hwFloat): LongInt;
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   395
begin
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   396
// yes, we have negative zero for a reason
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   397
if r.isNegative then hwSign:= -1 else hwSign:= 1
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   398
end;
bcefeeabaa33 Move some stuff from uMisc to uUtils
unC0Rr
parents: 3929
diff changeset
   399
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   400
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   401
function AngleSin(const Angle: Longword): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   402
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
   403
//TryDo((Angle >= 0) and (Angle <= 2048), 'Sin param exceeds limits', true);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   404
AngleSin.isNegative:= false;
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   405
if Angle < 1024 then AngleSin.QWordValue:= SinTable[Angle]
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   406
                else AngleSin.QWordValue:= SinTable[2048 - Angle]
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   407
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   408
515
270f10276d2e - Remove deprecated code
unc0rr
parents: 513
diff changeset
   409
function AngleCos(const Angle: Longword): hwFloat;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   410
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
   411
//TryDo((Angle >= 0) and (Angle <= 2048), 'Cos param exceeds limits', true);
357
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   412
AngleCos.isNegative:= Angle > 1024;
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   413
if Angle < 1024 then AngleCos.QWordValue:= SinTable[1024 - Angle]
165a040e4cfa - Fix Blow Torch and Air Attack
unc0rr
parents: 355
diff changeset
   414
                else AngleCos.QWordValue:= SinTable[Angle - 1024]
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   415
end;
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   416
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
   417
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
   418
begin
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   419
    isZero := z.QWordValue = 0;
2e4b90f33a83 aiming fixed, inverted cursor on ammo menu, added equal and isZero function to uFloat, changed the way ammo menu opens, you must now click on the hog rather than anywhere on the screen
Xeli
parents: 5319
diff changeset
   420
end;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   421
{$ENDIF}
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   422
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents:
diff changeset
   423
end.