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-rw-r--r--Game/Code/Classes/UCommon.pas215
1 files changed, 215 insertions, 0 deletions
diff --git a/Game/Code/Classes/UCommon.pas b/Game/Code/Classes/UCommon.pas
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+unit UCommon;
+
+interface
+
+{$IFDEF FPC}
+ {$MODE Delphi}
+{$ENDIF}
+
+{$I switches.inc}
+
+uses
+ SysUtils,
+{$IFDEF LAZARUS}
+ lResources,
+{$ENDIF}
+ ULog,
+{$IFDEF DARWIN}
+ messages,
+{$ENDIF}
+{$IFDEF win32}
+ windows;
+{$ELSE}
+ lcltype,
+ messages;
+{$ENDIF}
+
+{$IFNDEF win32}
+type
+ hStream = THandle;
+ HGLRC = THandle;
+ TLargeInteger = Int64;
+ TWin32FindData = LongInt;
+{$ENDIF}
+
+{$IFDEF LAZARUS}
+ function LazFindResource( const aName, aType : String ): TLResource;
+{$ENDIF}
+
+{$IFDEF FPC}
+
+function RandomRange(aMin: Integer; aMax: Integer) : Integer;
+
+function MaxValue(const Data: array of Double): Double;
+function MinValue(const Data: array of Double): Double;
+
+ {$IFDEF WIN32}
+ type
+ TWndMethod = procedure(var Message: TMessage) of object;
+ function AllocateHWnd(Method: TWndMethod): HWND;
+ procedure DeallocateHWnd(Wnd: HWND);
+ {$ENDIF} // Win32
+
+{$ENDIF} // FPC Only
+
+function StringReplaceW(text : WideString; search, rep: WideChar):WideString;
+function AdaptFilePaths( const aPath : widestring ): widestring;
+
+
+{$IFNDEF win32}
+(*
+ function QueryPerformanceCounter(lpPerformanceCount:TLARGEINTEGER):Bool;
+ function QueryPerformanceFrequency(lpFrequency:TLARGEINTEGER):Bool;
+*)
+ procedure ZeroMemory( Destination: Pointer; Length: DWORD );
+{$ENDIF}
+
+// eddie: FindFirstW etc are now in UPlatformWindows.pas
+
+implementation
+
+function StringReplaceW(text : WideString; search, rep: WideChar):WideString;
+var
+ iPos : integer;
+// sTemp : WideString;
+begin
+(*
+ result := text;
+ iPos := Pos(search, result);
+ while (iPos > 0) do
+ begin
+ sTemp := copy(result, iPos + length(search), length(result));
+ result := copy(result, 1, iPos - 1) + rep + sTEmp;
+ iPos := Pos(search, result);
+ end;
+*)
+ result := text;
+
+ if search = rep then
+ exit;
+
+ for iPos := 0 to length( result ) - 1 do
+ begin
+ if result[ iPos ] = search then
+ result[ iPos ] := rep;
+ end;
+end;
+
+function AdaptFilePaths( const aPath : widestring ): widestring;
+begin
+ result := StringReplaceW( aPath, '\', PathDelim );//, [rfReplaceAll] );
+end;
+
+
+{$IFNDEF win32}
+procedure ZeroMemory( Destination: Pointer; Length: DWORD );
+begin
+ FillChar( Destination^, Length, 0 );
+end; //ZeroMemory
+
+(*
+function QueryPerformanceCounter(lpPerformanceCount:TLARGEINTEGER):Bool;
+
+ // From http://en.wikipedia.org/wiki/RDTSC
+ function RDTSC: Int64; register;
+ asm
+ rdtsc
+ end;
+
+begin
+ // Use clock_gettime here maybe ... from libc
+ lpPerformanceCount := RDTSC();
+ result := true;
+end;
+
+function QueryPerformanceFrequency(lpFrequency:TLARGEINTEGER):Bool;
+begin
+ lpFrequency := 0;
+ result := true;
+end;
+*)
+{$ENDIF}
+
+
+{$IFDEF LAZARUS}
+
+function LazFindResource( const aName, aType : String ): TLResource;
+var
+ iCount : Integer;
+begin
+ result := nil;
+
+ for iCount := 0 to LazarusResources.count -1 do
+ begin
+ if ( LazarusResources.items[ iCount ].Name = aName ) AND
+ ( LazarusResources.items[ iCount ].ValueType = aType ) THEN
+ begin
+ result := LazarusResources.items[ iCount ];
+ exit;
+ end;
+ end;
+end;
+{$ENDIF}
+
+{$IFDEF FPC}
+function MaxValue(const Data: array of Double): Double;
+var
+ I: Integer;
+begin
+ Result := Data[Low(Data)];
+ for I := Low(Data) + 1 to High(Data) do
+ if Result < Data[I] then
+ Result := Data[I];
+end;
+
+function MinValue(const Data: array of Double): Double;
+var
+ I: Integer;
+begin
+ Result := Data[Low(Data)];
+ for I := Low(Data) + 1 to High(Data) do
+ if Result > Data[I] then
+ Result := Data[I];
+end;
+
+function RandomRange(aMin: Integer; aMax: Integer) : Integer;
+begin
+RandomRange := Random(aMax-aMin) + aMin ;
+end;
+
+
+// NOTE !!!!!!!!!!
+// AllocateHWnd is in lclintfh.inc
+
+{$IFDEF MSWINDOWS}
+// TODO : JB this is dodgey and bad... find a REAL solution !
+function AllocateHWnd(Method: TWndMethod): HWND;
+var
+ TempClass: TWndClass;
+ ClassRegistered: Boolean;
+begin
+ Result := CreateWindowEx(WS_EX_TOOLWINDOW, '', '', WS_POPUP , 0, 0, 0, 0, 0, 0, HInstance, nil);
+end;
+
+procedure DeallocateHWnd(Wnd: HWND);
+var
+ Instance: Pointer;
+begin
+ Instance := Pointer(GetWindowLong(Wnd, GWL_WNDPROC));
+ DestroyWindow(Wnd);
+end;
+{$ENDIF}
+{$IFDEF DARWIN}
+// TODO : Situation for the mac isn't better !
+function AllocateHWnd(Method: TWndMethod): HWND;
+begin
+end;
+
+procedure DeallocateHWnd(Wnd: HWND);
+begin
+end;
+{$ENDIF} // IFDEF DARWIN
+
+{$ENDIF} // IFDEF FPC
+
+end.