hedgewars/uMisc.pas
author unc0rr
Thu, 05 Oct 2006 16:33:18 +0000
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child 188 a7c2a61524c2
permissions -rw-r--r--
Relicense to GPL
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(*
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 * Hedgewars, a worms-like game
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 * Copyright (c) 2004, 2005, 2006 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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unit uMisc;
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interface
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uses uConsts, SDLh;
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{$INCLUDE options.inc}
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var isCursorVisible : boolean = false;
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    isTerminated    : boolean = false;
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    isInLag         : boolean = false;
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    isSoundEnabled  : boolean = true;
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    isSEBackup      : boolean = true;
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    isInMultiShoot  : boolean = false;
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    GameState     : TGameState = Low(TGameState);
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    GameType      : TGameType = gmtLocal;
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    GameFlags     : Longword = 0;
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    TurnTimeLeft  : Longword = 0;
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    cHedgehogTurnTime: Longword = 45000;
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    cMaxAIThinkTime  : Longword = 5000;
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    cCloudsNumber    : integer = 9;
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    cConsoleHeight   : integer = 320;
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    cConsoleYAdd     : integer = 0; 
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    cTimerInterval   : Cardinal = 5;
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    cScreenWidth     : integer = 1024;
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    cScreenHeight    : integer = 768;
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    cBits            : integer = 16;
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    cBitsStr         : string[2] = '16';
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    cWaterLine       : integer = 1024;
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    cVisibleWater    : integer = 128;
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    cScreenEdgesDist : integer = 240;
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    cTeamHealthWidth : integer = 128;
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    GameTicks     : LongWord = 0;
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    cSkyColor     : Cardinal = 0;
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    cWaterColor   : Cardinal = $005ACE;
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    cWhiteColor   : Cardinal = $FFFFFF;
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    cConsoleSplitterColor : Cardinal = $FF0000;
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    cColorNearBlack       : Cardinal = 16;
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    cExplosionBorderColor : LongWord = $808080;
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    cDrownSpeed   : Double = 0.06;
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    cMaxWindSpeed : Double = 0.0005;
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    cWindSpeed    : Double = 0.0001;
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    cGravity      : Double = 0.0005;
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    cShowFPS      : boolean = true;
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    cFullScreen   : boolean = true;
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    cLocaleFName  : shortstring = 'en.txt';
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    cSeed         : shortstring = '';
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    cInitVolume   : integer = 128;
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    cVolumeDelta  : integer = 0;
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const
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    cMaxPower     = 1500;
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    cMaxAngle     = 2048;
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    cPowerDivisor = 1500;
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var
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    cSendEmptyPacketTime : LongWord = 2000;
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    cSendCursorPosTime   : LongWord = 50;
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    ShowCrosshair  : boolean;
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    flagMakeCapture: boolean = false;
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    InitStepsFlags: Longword = 0;
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    AttackBar: integer = 0; // 0 - none, 1 - just bar at the right-down corner, 2 - like in WWP
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function hwSign(r: Double): integer;
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function Min(a, b: integer): integer;
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function Max(a, b: integer): integer;
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procedure OutError(Msg: String; const isFatalError: boolean=false);
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procedure TryDo(Assert: boolean; Msg: string; isFatal: boolean);
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procedure SDLTry(Assert: boolean; isFatal: boolean);
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function IntToStr(n: integer): shortstring;
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function FloatToStr(n: Double): shortstring;
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function DxDy2Angle32(const _dY, _dX: Extended): integer;
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function DxDy2AttackAngle(const _dY, _dX: Extended): integer;
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procedure AdjustColor(var Color: Longword);
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{$IFDEF DEBUGFILE}
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procedure AddFileLog(s: shortstring);
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function RectToStr(Rect: TSDL_Rect): shortstring;
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{$ENDIF}
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var CursorPoint: TPoint;
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    TargetPoint: TPoint = (X: NoPointX; Y: 0);
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implementation
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uses uConsole, uStore, uIO{$IFDEF FPC}, Math{$ENDIF};
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{$IFDEF DEBUGFILE}
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var f: textfile;
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{$ENDIF}
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function hwSign(r: Double): integer;
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begin
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if r < 0 then Result:= -1 else Result:= 1
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end;
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function Min(a, b: integer): integer;
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begin
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if a < b then Result:= a else Result:= b
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end;
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function Max(a, b: integer): integer;
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begin
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if a > b then Result:= a else Result:= b
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end;
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procedure OutError(Msg: String; const isFatalError: boolean=false);
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begin
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{$IFDEF DEBUGFILE}AddFileLog(Msg);{$ENDIF}
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WriteLnToConsole(Msg);
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if isFatalError then
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   begin
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   SendIPC('E' + GetLastConsoleLine);
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   SDL_Quit;
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   halt(1)
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   end
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end;
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procedure TryDo(Assert: boolean; Msg: string; isFatal: boolean);
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begin
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if not Assert then OutError(Msg, isFatal)
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end;
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procedure SDLTry(Assert: boolean; isFatal: boolean);
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begin
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if not Assert then OutError(SDL_GetError, isFatal)
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end;
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procedure AdjustColor(var Color: Cardinal);
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begin
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Color:= SDL_MapRGB(PixelFormat, (Color shr 16) and $FF, (Color shr 8) and $FF, Color and $FF)
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end;
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function IntToStr(n: integer): shortstring;
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begin
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str(n, Result)
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end;
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function FloatToStr(n: Double): shortstring;
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begin
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str(n:5:5, Result)
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end;
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{$IFNDEF FPC}
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function arctan2(const Y, X: Double): Double;
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asm
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        fld     Y
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        fld     X
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        fpatan
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        fwait
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end;
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{$ENDIF}
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function DxDy2Angle32(const _dY, _dX: Extended): integer;
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const _16divPI: Extended = 16/pi;
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begin
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Result:= trunc(arctan2(_dY, _dX) * _16divPI) and $1f
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end;
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function DxDy2AttackAngle(const _dY, _dX: Extended): integer;
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const MaxAngleDivPI: Extended = cMaxAngle/pi;
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begin
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Result:= trunc(arctan2(_dY, _dX) * MaxAngleDivPI) mod cMaxAngle
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end;
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{$IFDEF DEBUGFILE}
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procedure AddFileLog(s: shortstring);
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begin
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writeln(f, GameTicks: 6, ': ', s);
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flush(f)
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end;
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function RectToStr(Rect: TSDL_Rect): shortstring;
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begin
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Result:= '(x: ' + inttostr(rect.x) + '; y: ' + inttostr(rect.y) + '; w: ' + inttostr(rect.w) + '; h: ' + inttostr(rect.h) + ')'
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end;
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initialization
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AssignFile(f, 'debug.txt');
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rewrite(f);
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finalization
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writeln(f, '-= halt at ',GameTicks,' ticks =-');
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Flush(f);
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closefile(f)
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{$ENDIF}
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end.