- Many type fixes
- Get rid of all pointer<->integer typecasts
(* * Hedgewars, a worms-like game * Copyright (c) 2004, 2005 Andrey Korotaev <unC0Rr@gmail.com> * * Distributed under the terms of the BSD-modified licence: * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * with the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *)unit uRandom;interfaceprocedure SetRandomSeed(Seed: shortstring);function GetRandom: Double; overload;function GetRandom(m: LongWord): LongWord; overload;implementationvar cirbuf: array[0..63] of Longword; n: byte;function GetNext: Longword;beginn:= (n + 1) and $3F;cirbuf[n]:= (cirbuf[(n + 40) and $3F] + {n - 24 mod 64} cirbuf[(n + 9) and $3F]) {n - 55 mod 64} and $7FFFFFFF; {mod 2^31}Result:= cirbuf[n]end;procedure SetRandomSeed(Seed: shortstring);var i: Longword;beginif Length(Seed) > 60 then Seed:= copy(Seed, 1, 60); // not 64 to ensure we have even numbers in cirbuffor i:= 0 to pred(Length(Seed)) do cirbuf[i]:= byte(Seed[i + 1]) * 35791253;for i:= Length(Seed) to 63 do cirbuf[i]:= i * 23860799;for i:= 0 to 1024 do GetNext;end;function GetRandom: Double;beginResult:= frac( GetNext * 0.0007301 + GetNext * 0.003019)end;function GetRandom(m: LongWord): LongWord;beginGetNext;Result:= GetNext mod mend;end.