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-rw-r--r--Game/Code/Classes/UCommon.pas593
1 files changed, 300 insertions, 293 deletions
diff --git a/Game/Code/Classes/UCommon.pas b/Game/Code/Classes/UCommon.pas
index 62d7df65..dce11ea0 100644
--- a/Game/Code/Classes/UCommon.pas
+++ b/Game/Code/Classes/UCommon.pas
@@ -1,293 +1,300 @@
-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 DARWIN}
- procedure ShowMessage( const msg : String );
-{$ENDIF}
-
-{$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 );
-{$ENDIF}
-
-// eddie: FindFirstW etc are now in UPlatformWindows.pas
-
-(*
- * Character classes
- *)
-
-function IsAlphaChar(ch: WideChar): boolean;
-function IsNumericChar(ch: WideChar): boolean;
-function IsAlphaNumericChar(ch: WideChar): boolean;
-function IsPunctuationChar(ch: WideChar): boolean;
-function IsControlChar(ch: WideChar): boolean;
-
-
-implementation
-
-function StringReplaceW(text : WideString; search, rep: WideChar):WideString;
-var
- iPos : integer;
-// sTemp : WideString;
-begin
-(*
- result := text;
- iPos := Pos(search, result);
- while (iPos > 0) do
- begin
- sTemp := copy(result, iPos + length(search), length(result));
- result := copy(result, 1, iPos - 1) + rep + sTEmp;
- iPos := Pos(search, result);
- end;
-*)
- result := text;
-
- if search = rep then
- exit;
-
- for iPos := 0 to length( result ) - 1 do
- begin
- if result[ iPos ] = search then
- result[ iPos ] := rep;
- end;
-end;
-
-function AdaptFilePaths( const aPath : widestring ): widestring;
-begin
- result := StringReplaceW( aPath, '\', PathDelim );//, [rfReplaceAll] );
-end;
-
-
-{$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}
-// FIXME: already exists in 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;
-
-// FIXME: already exists in FPC
-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
-
-{$ENDIF} // IFDEF FPC
-
-{$IFDEF DARWIN}
-procedure ShowMessage( const msg : String );
-begin
- //eddie: what to do here?
-end;
-{$ENDIF}
-
-
-function IsAlphaChar(ch: WideChar): boolean;
-begin
- // TODO: add chars > 255 when unicode-fonts work?
- case ch of
- 'A'..'Z', // A-Z
- 'a'..'z', // a-z
- #170,#181,#186,
- #192..#214,
- #216..#246,
- #248..#255:
- Result := true;
- else
- Result := false;
- end;
-end;
-
-function IsNumericChar(ch: WideChar): boolean;
-begin
- case ch of
- '0'..'9':
- Result := true;
- else
- Result := false;
- end;
-end;
-
-function IsAlphaNumericChar(ch: WideChar): boolean;
-begin
- Result := (IsAlphaChar(ch) or IsNumericChar(ch));
-end;
-
-function IsPunctuationChar(ch: WideChar): boolean;
-begin
- // TODO: add chars outside of Latin1 basic (0..127)?
- case ch of
- ' '..'/',':'..'@','['..'`','{'..'~':
- Result := true;
- else
- Result := false;
- end;
-end;
-
-function IsControlChar(ch: WideChar): boolean;
-begin
- case ch of
- #0..#31,
- #127..#159:
- Result := true;
- else
- Result := false;
- end;
-end;
-
-end.
+unit UCommon;
+
+interface
+
+{$IFDEF FPC}
+ {$MODE Delphi}
+{$ENDIF}
+
+{$I switches.inc}
+
+uses
+ SysUtils,
+ Classes,
+ Messages,
+{$IFDEF LCL}
+ lResources,
+{$ENDIF}
+{$IFDEF win32}
+ Windows,
+{$ENDIF}
+ ULog;
+
+{$IFNDEF DARWIN}
+// FIXME: remove this if it is not needed anymore
+type
+ hStream = THandle;
+ HGLRC = THandle;
+ TLargeInteger = Int64;
+ TWin32FindData = LongInt;
+{$ENDIF}
+
+{$IFDEF LCL}
+ function LazFindResource( const aName, aType : String ): TLResource;
+{$ENDIF}
+
+procedure ShowMessage( const msg : String );
+
+{$IFDEF FPC}
+function RandomRange(aMin: Integer; aMax: Integer) : Integer;
+{$ENDIF}
+
+{$IF Defined(MSWINDOWS) and Defined(FPC)}
+function AllocateHWnd(Method: TWndMethod): HWND;
+procedure DeallocateHWnd(hWnd: HWND);
+{$IFEND}
+
+function StringReplaceW(text : WideString; search, rep: WideChar):WideString;
+function AdaptFilePaths( const aPath : widestring ): widestring;
+
+
+{$IFNDEF win32}
+ procedure ZeroMemory( Destination: Pointer; Length: DWORD );
+{$ENDIF}
+
+(*
+ * Character classes
+ *)
+
+function IsAlphaChar(ch: WideChar): boolean;
+function IsNumericChar(ch: WideChar): boolean;
+function IsAlphaNumericChar(ch: WideChar): boolean;
+function IsPunctuationChar(ch: WideChar): boolean;
+function IsControlChar(ch: WideChar): boolean;
+
+
+implementation
+
+uses
+{$IFDEF Delphi}
+ Dialogs,
+{$ENDIF}
+ UConfig;
+
+function StringReplaceW(text : WideString; search, rep: WideChar):WideString;
+var
+ iPos : integer;
+// sTemp : WideString;
+begin
+(*
+ result := text;
+ iPos := Pos(search, result);
+ while (iPos > 0) do
+ begin
+ sTemp := copy(result, iPos + length(search), length(result));
+ result := copy(result, 1, iPos - 1) + rep + sTEmp;
+ iPos := Pos(search, result);
+ end;
+*)
+ result := text;
+
+ if search = rep then
+ exit;
+
+ for iPos := 0 to length( result ) - 1 do
+ begin
+ if result[ iPos ] = search then
+ result[ iPos ] := rep;
+ end;
+end;
+
+function AdaptFilePaths( const aPath : widestring ): widestring;
+begin
+ result := StringReplaceW( aPath, '\', PathDelim );//, [rfReplaceAll] );
+end;
+
+
+{$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 LCL}
+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 RandomRange(aMin: Integer; aMax: Integer) : Integer;
+begin
+ RandomRange := Random(aMax-aMin) + aMin ;
+end;
+{$ENDIF}
+
+{$IF Defined(MSWINDOWS) and Defined(FPC)}
+function AllocateHWndCallback(hWnd: HWND; uMsg: UINT; wParam: WPARAM; lParam: LPARAM): LRESULT; stdcall;
+var
+ Msg: TMessage;
+ MethodPtr: ^TWndMethod;
+begin
+ FillChar(Msg, SizeOf(Msg), 0);
+ Msg.msg := uMsg;
+ Msg.wParam := wParam;
+ Msg.lParam := lParam;
+
+ MethodPtr := Pointer(GetWindowLongPtr(hwnd, GWL_USERDATA));
+ if Assigned(MethodPtr) then
+ MethodPtr^(Msg);
+
+ Result := DefWindowProc(hwnd, uMsg, wParam, lParam);
+end;
+
+function AllocateHWnd(Method: TWndMethod): HWND;
+var
+ ClassExists: Boolean;
+ WndClass, OldClass: TWndClass;
+ MethodPtr: ^TMethod;
+begin
+ Result := 0;
+
+ // setup class-info
+ FillChar(WndClass, SizeOf(TWndClass), 0);
+ WndClass.hInstance := HInstance;
+ // Important: do not enable AllocateHWndCallback before the msg-handler method is assigned,
+ // otherwise race-conditions might occur
+ WndClass.lpfnWndProc := @DefWindowProc;
+ WndClass.lpszClassName:= 'USDXUtilWindowClass';
+
+ // check if class is already registered
+ ClassExists := GetClassInfo(HInstance, WndClass.lpszClassName, OldClass);
+ // create window-class shared by all windows created by AllocateHWnd()
+ if (not ClassExists) or (@OldClass.lpfnWndProc <> @DefWindowProc) then
+ begin
+ if ClassExists then
+ UnregisterClass(WndClass.lpszClassName, HInstance);
+ if (RegisterClass(WndClass) = 0) then
+ Exit;
+ end;
+ // create window
+ Result := CreateWindowEx(WS_EX_TOOLWINDOW, WndClass.lpszClassName, '',
+ WS_POPUP, 0, 0, 0, 0, 0, 0, HInstance, nil);
+ if (Result = 0) then
+ Exit;
+ // assign individual callback procedure to the window
+ if Assigned(Method) then
+ begin
+ // TMethod contains two pointers but we can pass just one as USERDATA
+ GetMem(MethodPtr, SizeOf(TMethod));
+ MethodPtr^ := TMethod(Method);
+ SetWindowLongPtr(Result, GWL_USERDATA, LONG_PTR(MethodPtr));
+ end;
+ // now enable AllocateHWndCallback for this window
+ SetWindowLongPtr(Result, GWL_WNDPROC, LONG_PTR(@AllocateHWndCallback));
+end;
+
+procedure DeallocateHWnd(hWnd: HWND);
+var
+ MethodPtr: ^TMethod;
+begin
+ if (hWnd <> 0) then
+ begin
+ MethodPtr := Pointer(GetWindowLongPtr(hWnd, GWL_USERDATA));
+ DestroyWindow(hWnd);
+ if Assigned(MethodPtr) then
+ FreeMem(MethodPtr);
+ end;
+end;
+{$IFEND}
+
+procedure ShowMessage( const msg : String );
+begin
+{$IF Defined(MSWINDOWS)}
+ MessageBox(0, PChar(msg), PChar(USDXVersionStr()), MB_ICONINFORMATION);
+{$ELSE}
+ debugwriteln(msg);
+{$IFEND}
+end;
+
+function IsAlphaChar(ch: WideChar): boolean;
+begin
+ // TODO: add chars > 255 when unicode-fonts work?
+ case ch of
+ 'A'..'Z', // A-Z
+ 'a'..'z', // a-z
+ #170,#181,#186,
+ #192..#214,
+ #216..#246,
+ #248..#255:
+ Result := true;
+ else
+ Result := false;
+ end;
+end;
+
+function IsNumericChar(ch: WideChar): boolean;
+begin
+ case ch of
+ '0'..'9':
+ Result := true;
+ else
+ Result := false;
+ end;
+end;
+
+function IsAlphaNumericChar(ch: WideChar): boolean;
+begin
+ Result := (IsAlphaChar(ch) or IsNumericChar(ch));
+end;
+
+function IsPunctuationChar(ch: WideChar): boolean;
+begin
+ // TODO: add chars outside of Latin1 basic (0..127)?
+ case ch of
+ ' '..'/',':'..'@','['..'`','{'..'~':
+ Result := true;
+ else
+ Result := false;
+ end;
+end;
+
+function IsControlChar(ch: WideChar): boolean;
+begin
+ case ch of
+ #0..#31,
+ #127..#159:
+ Result := true;
+ else
+ Result := false;
+ end;
+end;
+
+end.