hedgewars/uMisc.pas
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child 24 79c411363184
permissions -rw-r--r--
minor code review
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(*
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 * Hedgewars, a worms-like game
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 * Copyright (c) 2004, 2005 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * Distributed under the terms of the BSD-modified licence:
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * with the Software without restriction, including without limitation the
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 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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 * sell copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * 1. Redistributions of source code must retain the above copyright notice,
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 *    this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
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 *    this list of conditions and the following disclaimer in the documentation
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 *    and/or other materials provided with the distribution.
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 * 3. The name of the author may not be used to endorse or promote products
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 *    derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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    isInMultiShoot  : boolean = false;
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    GameState     : TGameState = gsLandGen;
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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 = 30000;
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    cLandYShift      : integer = 888;
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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 = 15;
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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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    cWaterLine       : integer = 1024;
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    cVisibleWater    : integer = 64;
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    cScreenEdgesDist : integer = 240;
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    GameTicks     : LongWord = 0;
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    cSkyColor     : Cardinal = 0;
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    cWaterColor   : Cardinal = $32397A;
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    cMapBackColor : Cardinal = $FFFFFF;
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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   : Real = 0.06;
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    cMaxWindSpeed : Real = 0.0003;
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    cWindSpeed    : Real = 0.0001;
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    cGravity      : Real = 0.0005;
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    cShowFPS      : boolean = true;
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    cFullScreen   : boolean = true;
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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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    AttackBar     : integer = 0; // 0 - îòñóòñòâóåò, 1 - âíèçó, 2 - êàê â wwp
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function Sign(r: real): 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: real): shortstring;
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function arctan(const Y, X: real): real;
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function DxDy2Angle32(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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{$ENDIF}
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var CursorPoint: TPoint;
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    TargetPoint: TPoint = (X: NoPointX; Y: 0);
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implementation
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uses uConsole, uStore;
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{$IFDEF DEBUGFILE}
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var f: textfile;
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{$ENDIF}
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function Sign(r: real): integer;
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begin
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if r < 0 then Result:= -1 else Result:= 1
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end;
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function Min(a, b: integer): integer;
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begin
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if a < b then Result:= a else Result:= b
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end;
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function Max(a, b: integer): integer;
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begin
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if a > b then Result:= a else Result:= b
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end;
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procedure OutError(Msg: String; const isFatalError: boolean=false);
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begin
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{$IFDEF DEBUGFILE}AddFileLog(Msg);{$ENDIF}
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if isFatalError then
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   begin
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   WriteLn(Msg);
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   SDL_Quit;
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   Readln;
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   halt(1)
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   end else WriteLnToConsole(Msg)
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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: real): shortstring;
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begin
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str(n, Result)
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end;
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function arctan(const Y, X: real): real;
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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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function DxDy2Angle32(const _dY, _dX: Extended): integer;
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const piDIV32: Extended = pi/32;
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asm
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        fld     _dY
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        fld     _dX
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        fpatan
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        fld     piDIV32
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        fdiv
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        sub     esp, 4
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        fistp   dword ptr [esp]
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        pop     eax
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        shr     eax, 1
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        and     eax, $1F
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end;
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{$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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initialization
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assignfile(f, 'debug.txt');
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rewrite(f);
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4
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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.