{$INCLUDE "options.inc"}
unit uUtils;
interface
uses uTypes, uFloat, GLunit;
procedure SplitBySpace(var a, b: shortstring);
procedure SplitByChar(var a, b: ansistring; c: char);
function EnumToStr(const en : TGearType) : shortstring; overload;
function EnumToStr(const en : TVisualGearType) : shortstring; overload;
function EnumToStr(const en : TSound) : shortstring; overload;
function EnumToStr(const en : TAmmoType) : shortstring; overload;
function EnumToStr(const en : THogEffect) : shortstring; overload;
function Min(a, b: LongInt): LongInt; inline;
function Max(a, b: LongInt): LongInt; inline;
function IntToStr(n: LongInt): shortstring;
function FloatToStr(n: hwFloat): shortstring;
function DxDy2Angle(const _dY, _dX: hwFloat): GLfloat;
function DxDy2Angle32(const _dY, _dX: hwFloat): LongInt;
function DxDy2AttackAngle(const _dY, _dX: hwFloat): LongInt;
procedure SetLittle(var r: hwFloat);
function Str2PChar(const s: shortstring): PChar;
function DecodeBase64(s: shortstring): shortstring;
function isPowerOf2(i: Longword): boolean;
function toPowerOf2(i: Longword): Longword; inline;
function endian(independent: LongWord): LongWord; inline;
function CheckCJKFont(s: ansistring; font: THWFont): THWFont;
{$IFDEF DEBUGFILE}
procedure AddFileLog(s: shortstring);
{$ENDIF}
function CheckNoTeamOrHH: boolean; inline;
function GetLaunchX(at: TAmmoType; dir: LongInt; angle: LongInt): LongInt;
function GetLaunchY(at: TAmmoType; angle: LongInt): LongInt;
procedure initModule;
procedure freeModule;
implementation
uses typinfo, Math, uConsts, uVariables, SysUtils;
{$IFDEF DEBUGFILE}
var f: textfile;
{$ENDIF}
// should this include "strtolower()" for the split string?
procedure SplitBySpace(var a, b: shortstring);
var i, t: LongInt;
begin
i:= Pos(' ', a);
if i > 0 then
begin
for t:= 1 to Pred(i) do
if (a[t] >= 'A')and(a[t] <= 'Z') then Inc(a[t], 32);
b:= copy(a, i + 1, Length(a) - i);
byte(a[0]):= Pred(i)
end else b:= '';
end;
procedure SplitByChar(var a, b: ansistring; c: char);
var i: LongInt;
begin
i:= Pos(c, a);
if i > 0 then
begin
b:= copy(a, i + 1, Length(a) - i);
setlength(a, Pred(i));
end else b:= '';
end;
function EnumToStr(const en : TGearType) : shortstring; overload;
begin
EnumToStr:= GetEnumName(TypeInfo(TGearType), ord(en))
end;
function EnumToStr(const en : TVisualGearType) : shortstring; overload;
begin
EnumToStr:= GetEnumName(TypeInfo(TVisualGearType), ord(en))
end;
function EnumToStr(const en : TSound) : shortstring; overload;
begin
EnumToStr:= GetEnumName(TypeInfo(TSound), ord(en))
end;
function EnumToStr(const en : TAmmoType) : shortstring; overload;
begin
EnumToStr:= GetEnumName(TypeInfo(TAmmoType), ord(en))
end;
function EnumToStr(const en: THogEffect) : shortstring; overload;
begin
EnumToStr := GetEnumName(TypeInfo(THogEffect), ord(en))
end;
function Min(a, b: LongInt): LongInt;
begin
if a < b then Min:= a else Min:= b
end;
function Max(a, b: LongInt): LongInt;
begin
if a > b then Max:= a else Max:= b
end;
function IntToStr(n: LongInt): shortstring;
begin
str(n, IntToStr)
end;
function FloatToStr(n: hwFloat): shortstring;
begin
FloatToStr:= cstr(n) + '_' + inttostr(Lo(n.QWordValue))
end;
function DxDy2Angle(const _dY, _dX: hwFloat): GLfloat;
var dY, dX: Extended;
begin
dY:= _dY.QWordValue / $100000000;
if _dY.isNegative then dY:= - dY;
dX:= _dX.QWordValue / $100000000;
if _dX.isNegative then dX:= - dX;
DxDy2Angle:= arctan2(dY, dX) * 180 / pi
end;
function DxDy2Angle32(const _dY, _dX: hwFloat): LongInt;
const _16divPI: Extended = 16/pi;
var dY, dX: Extended;
begin
dY:= _dY.QWordValue / $100000000;
if _dY.isNegative then dY:= - dY;
dX:= _dX.QWordValue / $100000000;
if _dX.isNegative then dX:= - dX;
DxDy2Angle32:= trunc(arctan2(dY, dX) * _16divPI) and $1f
end;
function DxDy2AttackAngle(const _dY, _dX: hwFloat): LongInt;
const MaxAngleDivPI: Extended = cMaxAngle/pi;
var dY, dX: Extended;
begin
dY:= _dY.QWordValue / $100000000;
if _dY.isNegative then dY:= - dY;
dX:= _dX.QWordValue / $100000000;
if _dX.isNegative then dX:= - dX;
DxDy2AttackAngle:= trunc(arctan2(dY, dX) * MaxAngleDivPI)
end;
procedure SetLittle(var r: hwFloat);
begin
r:= SignAs(cLittle, r)
end;
function isPowerOf2(i: Longword): boolean;
begin
if i = 0 then exit(true);
while not odd(i) do i:= i shr 1;
isPowerOf2:= (i = 1)
end;
function toPowerOf2(i: Longword): Longword;
begin
toPowerOf2:= 1;
while (toPowerOf2 < i) do toPowerOf2:= toPowerOf2 shl 1
end;
function DecodeBase64(s: shortstring): shortstring;
const table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
var i, t, c: Longword;
begin
c:= 0;
for i:= 1 to Length(s) do
begin
t:= Pos(s[i], table);
if s[i] = '=' then inc(c);
if t > 0 then byte(s[i]):= t - 1 else byte(s[i]):= 0
end;
i:= 1;
t:= 1;
while i <= length(s) do
begin
DecodeBase64[t ]:= char((byte(s[i ]) shl 2) or (byte(s[i + 1]) shr 4));
DecodeBase64[t + 1]:= char((byte(s[i + 1]) shl 4) or (byte(s[i + 2]) shr 2));
DecodeBase64[t + 2]:= char((byte(s[i + 2]) shl 6) or (byte(s[i + 3]) ));
inc(t, 3);
inc(i, 4)
end;
if c < 3 then t:= t - c;
byte(DecodeBase64[0]):= t - 1
end;
function Str2PChar(const s: shortstring): PChar;
const CharArray: array[byte] of Char = '';
begin
CharArray:= s;
CharArray[Length(s)]:= #0;
Str2PChar:= @CharArray
end;
function endian(independent: LongWord): LongWord; inline;
begin
{$IFDEF ENDIAN_LITTLE}
endian:= independent;
{$ELSE}
endian:= (((independent and $FF000000) shr 24) or
((independent and $00FF0000) shr 8) or
((independent and $0000FF00) shl 8) or
((independent and $000000FF) shl 24))
{$ENDIF}
end;
{$IFDEF DEBUGFILE}
procedure AddFileLog(s: shortstring);
begin
writeln(f, GameTicks: 6, ': ', s);
flush(f)
end;
{$ENDIF}
function CheckCJKFont(s: ansistring; font: THWFont): THWFont;
var l, i : LongInt;
u: WideChar;
tmpstr: array[0..256] of WideChar;
begin
{$IFNDEF IPHONEOS}
// remove chinese fonts for now
if (font >= CJKfnt16) or (length(s) = 0) then
{$ENDIF}
exit(font);
l:= Utf8ToUnicode(@tmpstr, Str2PChar(s), length(s))-1;
i:= 0;
while i < l do
begin
u:= tmpstr[i];
if (#$2E80 <= u) and (
(u <= #$2FDF ) or // CJK Radicals Supplement / Kangxi Radicals
((#$2FF0 <= u) and (u <= #$303F)) or // Ideographic Description Characters / CJK Radicals Supplement
((#$31C0 <= u) and (u <= #$31EF)) or // CJK Strokes
((#$3200 <= u) and (u <= #$4DBF)) or // Enclosed CJK Letters and Months / CJK Compatibility / CJK Unified Ideographs Extension A
((#$4E00 <= u) and (u <= #$9FFF)) or // CJK Unified Ideographs
((#$F900 <= u) and (u <= #$FAFF)) or // CJK Compatibility Ideographs
((#$FE30 <= u) and (u <= #$FE4F))) // CJK Compatibility Forms
then exit(THWFont( ord(font) + ((ord(High(THWFont))+1) div 2) ));
inc(i)
end;
exit(font);
(* two more to check. pascal WideChar is only 16 bit though
((#$20000 <= u) and (u >= #$2A6DF)) or // CJK Unified Ideographs Extension B
((#$2F800 <= u) and (u >= #$2FA1F))) // CJK Compatibility Ideographs Supplement *)
end;
function GetLaunchX(at: TAmmoType; dir: LongInt; angle: LongInt): LongInt;
begin
GetLaunchX:= 0
(*
if (Ammoz[at].ejectX <> 0) or (Ammoz[at].ejectY <> 0) then
GetLaunchX:= sign(dir) * (8 + hwRound(AngleSin(angle) * Ammoz[at].ejectX) + hwRound(AngleCos(angle) * Ammoz[at].ejectY))
else
GetLaunchX:= 0 *)
end;
function GetLaunchY(at: TAmmoType; angle: LongInt): LongInt;
begin
GetLaunchY:= 0
(*
if (Ammoz[at].ejectX <> 0) or (Ammoz[at].ejectY <> 0) then
GetLaunchY:= hwRound(AngleSin(angle) * Ammoz[at].ejectY) - hwRound(AngleCos(angle) * Ammoz[at].ejectX) - 2
else
GetLaunchY:= 0*)
end;
function CheckNoTeamOrHH: boolean;
begin
CheckNoTeamOrHH:= (CurrentTeam = nil) or (CurrentHedgehog^.Gear = nil);
end;
procedure initModule;
{$IFDEF DEBUGFILE}{$IFNDEF IPHONEOS}var i: LongInt;{$ENDIF}{$ENDIF}
begin
{$IFDEF DEBUGFILE}
{$I-}
{$IFDEF IPHONEOS}
Assign(f,'../Documents/hw-' + cLogfileBase + '.log');
Rewrite(f);
{$ELSE}
if (ParamStr(1) <> '') and (ParamStr(2) <> '') then
if (ParamCount <> 3) and (ParamCount <> cDefaultParamNum) then
begin
for i:= 0 to 7 do
begin
assign(f, ExtractFileDir(ParamStr(2)) + '/' + cLogfileBase + inttostr(i) + '.log');
rewrite(f);
if IOResult = 0 then break;
end;
if IOResult <> 0 then f:= stderr; // if everything fails, write to stderr
end
else
begin
for i:= 0 to 7 do
begin
assign(f, ParamStr(1) + '/Logs/' + cLogfileBase + inttostr(i) + '.log');
rewrite(f);
if IOResult = 0 then break;
end;
if IOResult <> 0 then f:= stderr; // if everything fails, write to stderr
end
else
f:= stderr;
{$ENDIF}
{$I+}
{$ENDIF}
end;
procedure freeModule;
begin
recordFileName:= '';
{$IFDEF DEBUGFILE}
writeln(f, 'halt at ', GameTicks, ' ticks. TurnTimeLeft = ', TurnTimeLeft);
flush(f);
close(f);
{$ENDIF}
end;
end.