From a7dac17f3530c2b36d52aa8ab4e095f460c29b34 Mon Sep 17 00:00:00 2001 From: tobigun Date: Wed, 30 Apr 2008 22:15:30 +0000 Subject: 64bit patch for USDX, thanks to escaped and tronikku. Patch for SDL will be applied soon. git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@1048 b956fd51-792f-4845-bead-9b4dfca2ff2c --- Game/Code/Classes/TextGL.pas | 1066 ++++++++++++++++++++------------------- Game/Code/Classes/UServices.pas | 686 +++++++++++++------------ 2 files changed, 897 insertions(+), 855 deletions(-) diff --git a/Game/Code/Classes/TextGL.pas b/Game/Code/Classes/TextGL.pas index f078169f..5b37228e 100644 --- a/Game/Code/Classes/TextGL.pas +++ b/Game/Code/Classes/TextGL.pas @@ -1,525 +1,541 @@ -unit TextGL; - -interface - -{$IFDEF FPC} - {$MODE Delphi} -{$ENDIF} - -{$I switches.inc} - - -uses - OpenGL12, - SDL, - UTexture, - Classes, - SDL_ttf, - ULog; - -procedure BuildFont; // Build Our Bitmap Font -procedure KillFont; // Delete The Font -function glTextWidth(text: pchar): real; // Returns Text Width -procedure glPrintDone(text: pchar; Done: real; ColR, ColG, ColB: real); -procedure glPrintLetter(letter: char); -procedure glPrintLetterCut(letter: char; Start, Finish: real); -procedure glPrint(text: pchar); // Custom GL "Print" Routine -procedure glPrintCut(text: pchar); -procedure SetFontPos(X, Y: real); // Sets X And Y -procedure SetFontSize(Size: real); -procedure SetFontStyle(Style: integer); // sets active font style (normal, bold, etc) -procedure SetFontItalic(Enable: boolean); // sets italic type letter (works for all fonts) -procedure SetFontAspectW(Aspect: real); - -// Start of SDL_ttf -function NextPowerOfTwo(Value: Integer): Integer; -//Checks if the ttf exists, if yes then a SDL_ttf is returned -function LoadFont(FileName: PAnsiChar; PointSize: integer):PTTF_Font; - -// Does the renderstuff, color is in $ffeecc style -function RenderText(font: PTTF_Font; Text:PAnsiChar; Color: Cardinal):PSDL_Surface; -procedure printrandomtext(); -// End of SDL_ttf - -type - TTextGL = record - X: real; - Y: real; - Text: string; - Size: real; - ColR: real; - ColG: real; - ColB: real; - end; - - TFont = record - Tex: TTexture; - Width: array[0..255] of byte; - AspectW: real; - Centered: boolean; - Done: real; - Outline: real; - Italic: boolean; - end; - - -var - base: GLuint; // Base Display List For The Font Set - Fonts: array of TFont; - ActFont: integer; - PColR: real; // temps for glPrintDone - PColG: real; - PColB: real; - -implementation - -uses - UMain, - UCommon, - SysUtils, - {$IFDEF DARWIN} - MacResources, - {$ENDIF} - UGraphic; - -procedure BuildFont; // Build Our Bitmap Font - - procedure loadfont(aID : integer; const aType, aResourceName: string); - var - stream: TStream; - begin - stream := GetResourceStream(aResourceName, aType); - if (not assigned(stream)) then - begin - Log.LogError('Unknown font['+ inttostr(aID) +': '+aType+']', 'loadfont'); - Exit; - end; - try - stream.Read(Fonts[ aID ].Width, 256); - except - Log.LogError('Error while reading font['+ inttostr(aID) +': '+aType+']', 'loadfont'); - end; - stream.Free; - end; - -var - Count: integer; -begin - ActFont := 0; - - //Log.LogStatus( '' , '---------------------------'); - - //Log.LogStatus( 'Font' , '---------------------------'); - SetLength(Fonts, 5); - Fonts[0].Tex := Texture.LoadTexture(true, 'Font', TEXTURE_TYPE_TRANSPARENT, 0); - Fonts[0].Tex.H := 30; - Fonts[0].AspectW := 0.9; - Fonts[0].Done := -1; - Fonts[0].Outline := 0; - - //Log.LogStatus( 'FontB' , '---------------------------'); - - Fonts[1].Tex := Texture.LoadTexture(true, 'FontB', TEXTURE_TYPE_TRANSPARENT, 0); - Fonts[1].Tex.H := 30; - Fonts[1].AspectW := 1; - Fonts[1].Done := -1; - Fonts[1].Outline := 0; - - //Log.LogStatus( 'FontO' , '---------------------------'); - Fonts[2].Tex := Texture.LoadTexture(true, 'FontO', TEXTURE_TYPE_TRANSPARENT, 0); - Fonts[2].Tex.H := 30; - Fonts[2].AspectW := 0.95; - Fonts[2].Done := -1; - Fonts[2].Outline := 5; - - //Log.LogStatus( 'FontO2' , '---------------------------'); - Fonts[3].Tex := Texture.LoadTexture(true, 'FontO2', TEXTURE_TYPE_TRANSPARENT, 0); - Fonts[3].Tex.H := 30; - Fonts[3].AspectW := 0.95; - Fonts[3].Done := -1; - Fonts[3].Outline := 4; - -{ Fonts[4].Tex := Texture.LoadTexture('FontO', TEXTURE_TYPE_TRANSPARENT, 0); // for score screen - Fonts[4].Tex.H := 30; - Fonts[4].AspectW := 0.95; - Fonts[4].Done := -1; - Fonts[4].Outline := 5;} - - - - loadfont( 0, 'FNT', 'Font' ); - loadfont( 1, 'FNT', 'FontB' ); - loadfont( 2, 'FNT', 'FontO' ); - loadfont( 3, 'FNT', 'FontO2' ); - -{ Reg := TResourceStream.Create(HInstance, 'FontO', 'FNT'); - Reg.Read(Fonts[4].Width, 256); - Reg.Free;} - - for Count := 0 to 255 do - Fonts[1].Width[Count] := Fonts[1].Width[Count] div 2; - - for Count := 0 to 255 do - Fonts[2].Width[Count] := Fonts[2].Width[Count] div 2 + 2; - - for Count := 0 to 255 do - Fonts[3].Width[Count] := Fonts[3].Width[Count] + 1; - -{ for Count := 0 to 255 do - Fonts[4].Width[Count] := Fonts[4].Width[Count] div 2 + 2;} - -end; - -procedure KillFont; // Delete The Font -begin -// glDeleteLists(base, 256); // Delete All 96 Characters -end; - -function glTextWidth(text: pchar): real; -var - Letter: char; - i: integer; -begin -// Log.LogStatus(Text, 'glTextWidth'); - Result := 0; - for i := 0 to Length(text) -1 do // Patched by AlexanderS : bug with wrong sliced text lines - begin - Letter := Text[i]; - // Bugfix: does not work with FPC, probably because a part of text is assigned to itself - //text := pchar(Copy(text, 2, Length(text)-1)); - Result := Result + Fonts[ActFont].Width[Ord(Letter)] * Fonts[ActFont].Tex.H / 30 * Fonts[ActFont].AspectW; - end; -end; - -procedure glPrintDone(text: pchar; Done: real; ColR, ColG, ColB: real); -begin - Fonts[ActFont].Done := Done; - PColR := ColR; - PColG := ColG; - PColB := ColB; - glPrintCut(text); - Fonts[ActFont].Done := -1; -end; - -procedure glPrintLetter(Letter: char); -var - TexX, TexY: real; - TexR, TexB: real; - FWidth: real; - PL, PT: real; - PR, PB: real; - XItal: real; // X shift for italic type letter -begin - with Fonts[ActFont].Tex do - begin - FWidth := Fonts[ActFont].Width[Ord(Letter)]; - - W := FWidth * (H/30) * Fonts[ActFont].AspectW; - // H := 30; - - // set texture positions - TexX := (ord(Letter) mod 16) * 1/16 + 1/32 - FWidth/1024 - Fonts[ActFont].Outline/1024; - TexY := (ord(Letter) div 16) * 1/16 + 2/1024; // 2/1024 - TexR := (ord(Letter) mod 16) * 1/16 + 1/32 + FWidth/1024 + Fonts[ActFont].Outline/1024; - TexB := (1 + ord(Letter) div 16) * 1/16 - 2/1024; - - // set vector positions - PL := X - Fonts[ActFont].Outline * (H/30) * Fonts[ActFont].AspectW /2; - PT := Y; - PR := PL + W + Fonts[ActFont].Outline * (H/30) * Fonts[ActFont].AspectW; - PB := PT + H; - - if Fonts[ActFont].Italic = false then - XItal := 0 - else - XItal := 12; - - glEnable(GL_TEXTURE_2D); - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glBindTexture(GL_TEXTURE_2D, TexNum); - - glBegin(GL_QUADS); - try - glTexCoord2f(TexX, TexY); glVertex2f(PL+XItal, PT); - glTexCoord2f(TexX, TexB); glVertex2f(PL, PB); - glTexCoord2f(TexR, TexB); glVertex2f(PR, PB); - glTexCoord2f(TexR, TexY); glVertex2f(PR+XItal, PT); - finally - glEnd; - end; - - X := X + W; - glDisable(GL_BLEND); - glDisable(GL_TEXTURE_2D); - end; // with -end; - -procedure glPrintLetterCut(letter: char; Start, Finish: real); -var - TexX, TexY: real; - TexR, TexB: real; - TexTemp: real; - FWidth: real; - PL, PT: real; - PR, PB: real; - OutTemp: real; - XItal: real; -begin - with Fonts[ActFont].Tex do begin - FWidth := Fonts[ActFont].Width[Ord(Letter)]; - - W := FWidth * (H/30) * Fonts[ActFont].AspectW; -// H := 30; - OutTemp := Fonts[ActFont].Outline * (H/30) * Fonts[ActFont].AspectW; - - // set texture positions - TexX := (ord(Letter) mod 16) * 1/16 + 1/32 - FWidth/1024 - Fonts[ActFont].Outline/1024; - TexY := (ord(Letter) div 16) * 1/16 + 2/1024; // 2/1024 - TexR := (ord(Letter) mod 16) * 1/16 + 1/32 + FWidth/1024 + Fonts[ActFont].Outline/1024; - TexB := (1 + ord(Letter) div 16) * 1/16 - 2/1024; - - TexTemp := TexX + Start * (TexR - TexX); - TexR := TexX + Finish * (TexR - TexX); - TexX := TexTemp; - - // set vector positions - PL := X - OutTemp / 2 + OutTemp * Start; - PT := Y; - PR := PL + (W + OutTemp) * (Finish - Start); - PB := PT + H; - if Fonts[ActFont].Italic = false then - XItal := 0 - else - XItal := 12; - - glEnable(GL_TEXTURE_2D); - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glBindTexture(GL_TEXTURE_2D, TexNum); - glBegin(GL_QUADS); - glTexCoord2f(TexX, TexY); glVertex2f(PL+XItal, PT); - glTexCoord2f(TexX, TexB); glVertex2f(PL, PB); - glTexCoord2f(TexR, TexB); glVertex2f(PR, PB); - glTexCoord2f(TexR, TexY); glVertex2f(PR+XItal, PT); // not tested with XItal - glEnd; - X := X + W * (Finish - Start); - glDisable(GL_BLEND); - glDisable(GL_TEXTURE_2D); - end; // with - -end; - -procedure glPrint(text: pchar); // Custom GL "Print" Routine -var -// Letter : char; - iPos : Integer; - -begin - if (Text = '') then // If There's No Text - Exit; // Do Nothing - -(* - while (length(text) > 0) do - begin - // cut - Letter := Text[0]; - Text := pchar(Copy(Text, 2, Length(Text)-1)); - - // print - glPrintLetter(Letter); - end; // while -*) - - // This code is better, because doing a Copy of for every - // letter in a string is a waste of CPU & Memory resources. - // Copy operations are quite memory intensive, and this simple - // code achieves the same result. - for iPos := 0 to length( text ) - 1 do - begin - glPrintLetter( Text[iPos] ); - end; - -end; - -function NextPowerOfTwo(Value: Integer): Integer; -// tyty to Asphyre -begin - Result:= 1; - asm - xor ecx, ecx - bsr ecx, Value - inc ecx - shl Result, cl - end; -end; - -function LoadFont(FileName: PAnsiChar; PointSize: integer):PTTF_Font; -begin - if (FileExists(FileName)) then - begin - Result := TTF_OpenFont( FileName, PointSize ); - end - else - begin - Log.LogStatus('ERROR Could not find font in ' + FileName , ''); - ShowMessage( 'ERROR Could not find font in ' + FileName ); - Result := nil; - end; -end; - -function RenderText(font: PTTF_Font; Text:PAnsiChar; Color: Cardinal): PSDL_Surface; -var - clr : TSDL_color; -begin - clr.r := ((Color and $ff0000) shr 16 ) div 255; - clr.g := ((Color and $ff00 ) shr 8 ) div 255; - clr.b := ( Color and $ff ) div 255 ; - - result := TTF_RenderText_Blended( font, text, cLr); -end; - -procedure printrandomtext(); -var - stext,intermediary : PSDL_surface; - clrFg, clrBG : TSDL_color; - texture : Gluint; - font : PTTF_Font; - w,h : integer; -begin - -font := LoadFont('fonts\comicbd.ttf', 42); - -clrFg.r := 255; -clrFg.g := 255; -clrFg.b := 255; -clrFg.unused := 255; - -clrBg.r := 255; -clrbg.g := 0; -clrbg.b := 255; -clrbg.unused := 0; - - sText := RenderText(font, 'katzeeeeeee', $fe198e); -//sText := TTF_RenderText_Blended( font, 'huuuuuuuuuund', clrFG); - - // Convert the rendered text to a known format - w := nextpoweroftwo(sText.w); - h := nextpoweroftwo(sText.h); - -intermediary := SDL_CreateRGBSurface(0, w, h, 32, - $000000ff, $0000ff00, $00ff0000, $ff000000); - - SDL_SetAlpha(intermediary, 0, 255); - SDL_SetAlpha(sText, 0, 255); - SDL_BlitSurface(sText, nil, intermediary, nil); - - glGenTextures(1, @texture); - - glBindTexture(GL_TEXTURE_2D, texture); - - glTexImage2D(GL_TEXTURE_2D, 0, 4, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, intermediary.pixels); - - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - - - - - glEnable(GL_TEXTURE_2D); - glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - glBindTexture(GL_TEXTURE_2D, texture); - glColor4f(1, 0, 1, 1); - - glbegin(gl_quads); - glTexCoord2f(0,0); glVertex2f(200, 300); - glTexCoord2f(0,sText.h/h); glVertex2f(200 , 300 + sText.h); - glTexCoord2f(sText.w/w,sText.h/h); glVertex2f(200 + sText.w, 300 + sText.h); - glTexCoord2f(sText.w/w,0); glVertex2f(200 + sText.w, 300); - glEnd; - glfinish(); - glDisable(GL_BLEND); - gldisable(gl_texture_2d); - - - - -SDL_FreeSurface( sText ); -SDL_FreeSurface( intermediary ); -glDeleteTextures(1, @texture); -TTF_CloseFont( font ); - -end; - -procedure glPrintCut(text: pchar); -var - Letter: char; - PToDo: real; - PTotWidth: real; - PDoingNow: real; - S: string; -begin - if (Text = '') then // If There's No Text - Exit; // Do Nothing - - PTotWidth := glTextWidth(Text); - PToDo := Fonts[ActFont].Done; - - while (length(text) > 0) do begin - // cut - Letter := Text[0]; - Text := pchar(Copy(Text, 2, Length(Text)-1)); - - // analyze - S := Letter; - PDoingNow := glTextWidth(pchar(S)) / PTotWidth; - - // drawing - if (PToDo > 0) and (PDoingNow <= PToDo) then - glPrintLetter(Letter); - - if (PToDo > 0) and (PDoingNow > PToDo) then begin - glPrintLetterCut(Letter, 0, PToDo / PDoingNow); - glColor3f(PColR, PColG, PColB); - glPrintLetterCut(Letter, PToDo / PDoingNow, 1); - end; - - if (PToDo <= 0) then - glPrintLetter(Letter); - - PToDo := PToDo - PDoingNow; - - end; // while -end; - - -procedure SetFontPos(X, Y: real); -begin - Fonts[ActFont].Tex.X := X; - Fonts[ActFont].Tex.Y := Y; -end; - -procedure SetFontSize(Size: real); -begin - Fonts[ActFont].Tex.H := 30 * (Size/10); -end; - -procedure SetFontStyle(Style: integer); -begin - ActFont := Style; -end; - -procedure SetFontItalic(Enable: boolean); -begin - Fonts[ActFont].Italic := Enable; -end; - -procedure SetFontAspectW(Aspect: real); -begin - Fonts[ActFont].AspectW := Aspect; -end; - -end. - - +unit TextGL; + +interface + +{$IFDEF FPC} + {$MODE Delphi} +{$ENDIF} + +{$I switches.inc} + +{$IFDEF FPC} + {$ASMMODE Intel} +{$ENDIF} + +uses + OpenGL12, + SDL, + UTexture, + Classes, + SDL_ttf, + ULog; + +procedure BuildFont; // Build Our Bitmap Font +procedure KillFont; // Delete The Font +function glTextWidth(text: pchar): real; // Returns Text Width +procedure glPrintDone(text: pchar; Done: real; ColR, ColG, ColB: real); +procedure glPrintLetter(letter: char); +procedure glPrintLetterCut(letter: char; Start, Finish: real); +procedure glPrint(text: pchar); // Custom GL "Print" Routine +procedure glPrintCut(text: pchar); +procedure SetFontPos(X, Y: real); // Sets X And Y +procedure SetFontSize(Size: real); +procedure SetFontStyle(Style: integer); // sets active font style (normal, bold, etc) +procedure SetFontItalic(Enable: boolean); // sets italic type letter (works for all fonts) +procedure SetFontAspectW(Aspect: real); + +// Start of SDL_ttf +function NextPowerOfTwo(Value: Integer): Integer; +//Checks if the ttf exists, if yes then a SDL_ttf is returned +function LoadFont(FileName: PAnsiChar; PointSize: integer):PTTF_Font; + +// Does the renderstuff, color is in $ffeecc style +function RenderText(font: PTTF_Font; Text:PAnsiChar; Color: Cardinal):PSDL_Surface; +procedure printrandomtext(); +// End of SDL_ttf + +type + TTextGL = record + X: real; + Y: real; + Text: string; + Size: real; + ColR: real; + ColG: real; + ColB: real; + end; + + TFont = record + Tex: TTexture; + Width: array[0..255] of byte; + AspectW: real; + Centered: boolean; + Done: real; + Outline: real; + Italic: boolean; + end; + + +var + base: GLuint; // Base Display List For The Font Set + Fonts: array of TFont; + ActFont: integer; + PColR: real; // temps for glPrintDone + PColG: real; + PColB: real; + +implementation + +uses + UMain, + UCommon, + SysUtils, + {$IFDEF DARWIN} + MacResources, + {$ENDIF} + UGraphic; + +procedure BuildFont; // Build Our Bitmap Font + + procedure loadfont(aID : integer; const aType, aResourceName: string); + var + stream: TStream; + begin + stream := GetResourceStream(aResourceName, aType); + if (not assigned(stream)) then + begin + Log.LogError('Unknown font['+ inttostr(aID) +': '+aType+']', 'loadfont'); + Exit; + end; + try + stream.Read(Fonts[ aID ].Width, 256); + except + Log.LogError('Error while reading font['+ inttostr(aID) +': '+aType+']', 'loadfont'); + end; + stream.Free; + end; + +var + Count: integer; +begin + ActFont := 0; + + //Log.LogStatus( '' , '---------------------------'); + + //Log.LogStatus( 'Font' , '---------------------------'); + SetLength(Fonts, 5); + Fonts[0].Tex := Texture.LoadTexture(true, 'Font', TEXTURE_TYPE_TRANSPARENT, 0); + Fonts[0].Tex.H := 30; + Fonts[0].AspectW := 0.9; + Fonts[0].Done := -1; + Fonts[0].Outline := 0; + + //Log.LogStatus( 'FontB' , '---------------------------'); + + Fonts[1].Tex := Texture.LoadTexture(true, 'FontB', TEXTURE_TYPE_TRANSPARENT, 0); + Fonts[1].Tex.H := 30; + Fonts[1].AspectW := 1; + Fonts[1].Done := -1; + Fonts[1].Outline := 0; + + //Log.LogStatus( 'FontO' , '---------------------------'); + Fonts[2].Tex := Texture.LoadTexture(true, 'FontO', TEXTURE_TYPE_TRANSPARENT, 0); + Fonts[2].Tex.H := 30; + Fonts[2].AspectW := 0.95; + Fonts[2].Done := -1; + Fonts[2].Outline := 5; + + //Log.LogStatus( 'FontO2' , '---------------------------'); + Fonts[3].Tex := Texture.LoadTexture(true, 'FontO2', TEXTURE_TYPE_TRANSPARENT, 0); + Fonts[3].Tex.H := 30; + Fonts[3].AspectW := 0.95; + Fonts[3].Done := -1; + Fonts[3].Outline := 4; + +{ Fonts[4].Tex := Texture.LoadTexture('FontO', TEXTURE_TYPE_TRANSPARENT, 0); // for score screen + Fonts[4].Tex.H := 30; + Fonts[4].AspectW := 0.95; + Fonts[4].Done := -1; + Fonts[4].Outline := 5;} + + + + loadfont( 0, 'FNT', 'Font' ); + loadfont( 1, 'FNT', 'FontB' ); + loadfont( 2, 'FNT', 'FontO' ); + loadfont( 3, 'FNT', 'FontO2' ); + +{ Reg := TResourceStream.Create(HInstance, 'FontO', 'FNT'); + Reg.Read(Fonts[4].Width, 256); + Reg.Free;} + + for Count := 0 to 255 do + Fonts[1].Width[Count] := Fonts[1].Width[Count] div 2; + + for Count := 0 to 255 do + Fonts[2].Width[Count] := Fonts[2].Width[Count] div 2 + 2; + + for Count := 0 to 255 do + Fonts[3].Width[Count] := Fonts[3].Width[Count] + 1; + +{ for Count := 0 to 255 do + Fonts[4].Width[Count] := Fonts[4].Width[Count] div 2 + 2;} + +end; + +procedure KillFont; // Delete The Font +begin +// glDeleteLists(base, 256); // Delete All 96 Characters +end; + +function glTextWidth(text: pchar): real; +var + Letter: char; + i: integer; +begin +// Log.LogStatus(Text, 'glTextWidth'); + Result := 0; + for i := 0 to Length(text) -1 do // Patched by AlexanderS : bug with wrong sliced text lines + begin + Letter := Text[i]; + // Bugfix: does not work with FPC, probably because a part of text is assigned to itself + //text := pchar(Copy(text, 2, Length(text)-1)); + Result := Result + Fonts[ActFont].Width[Ord(Letter)] * Fonts[ActFont].Tex.H / 30 * Fonts[ActFont].AspectW; + end; +end; + +procedure glPrintDone(text: pchar; Done: real; ColR, ColG, ColB: real); +begin + Fonts[ActFont].Done := Done; + PColR := ColR; + PColG := ColG; + PColB := ColB; + glPrintCut(text); + Fonts[ActFont].Done := -1; +end; + +procedure glPrintLetter(Letter: char); +var + TexX, TexY: real; + TexR, TexB: real; + FWidth: real; + PL, PT: real; + PR, PB: real; + XItal: real; // X shift for italic type letter +begin + with Fonts[ActFont].Tex do + begin + FWidth := Fonts[ActFont].Width[Ord(Letter)]; + + W := FWidth * (H/30) * Fonts[ActFont].AspectW; + // H := 30; + + // set texture positions + TexX := (ord(Letter) mod 16) * 1/16 + 1/32 - FWidth/1024 - Fonts[ActFont].Outline/1024; + TexY := (ord(Letter) div 16) * 1/16 + 2/1024; // 2/1024 + TexR := (ord(Letter) mod 16) * 1/16 + 1/32 + FWidth/1024 + Fonts[ActFont].Outline/1024; + TexB := (1 + ord(Letter) div 16) * 1/16 - 2/1024; + + // set vector positions + PL := X - Fonts[ActFont].Outline * (H/30) * Fonts[ActFont].AspectW /2; + PT := Y; + PR := PL + W + Fonts[ActFont].Outline * (H/30) * Fonts[ActFont].AspectW; + PB := PT + H; + + if Fonts[ActFont].Italic = false then + XItal := 0 + else + XItal := 12; + + glEnable(GL_TEXTURE_2D); + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glBindTexture(GL_TEXTURE_2D, TexNum); + + glBegin(GL_QUADS); + try + glTexCoord2f(TexX, TexY); glVertex2f(PL+XItal, PT); + glTexCoord2f(TexX, TexB); glVertex2f(PL, PB); + glTexCoord2f(TexR, TexB); glVertex2f(PR, PB); + glTexCoord2f(TexR, TexY); glVertex2f(PR+XItal, PT); + finally + glEnd; + end; + + X := X + W; + glDisable(GL_BLEND); + glDisable(GL_TEXTURE_2D); + end; // with +end; + +procedure glPrintLetterCut(letter: char; Start, Finish: real); +var + TexX, TexY: real; + TexR, TexB: real; + TexTemp: real; + FWidth: real; + PL, PT: real; + PR, PB: real; + OutTemp: real; + XItal: real; +begin + with Fonts[ActFont].Tex do begin + FWidth := Fonts[ActFont].Width[Ord(Letter)]; + + W := FWidth * (H/30) * Fonts[ActFont].AspectW; +// H := 30; + OutTemp := Fonts[ActFont].Outline * (H/30) * Fonts[ActFont].AspectW; + + // set texture positions + TexX := (ord(Letter) mod 16) * 1/16 + 1/32 - FWidth/1024 - Fonts[ActFont].Outline/1024; + TexY := (ord(Letter) div 16) * 1/16 + 2/1024; // 2/1024 + TexR := (ord(Letter) mod 16) * 1/16 + 1/32 + FWidth/1024 + Fonts[ActFont].Outline/1024; + TexB := (1 + ord(Letter) div 16) * 1/16 - 2/1024; + + TexTemp := TexX + Start * (TexR - TexX); + TexR := TexX + Finish * (TexR - TexX); + TexX := TexTemp; + + // set vector positions + PL := X - OutTemp / 2 + OutTemp * Start; + PT := Y; + PR := PL + (W + OutTemp) * (Finish - Start); + PB := PT + H; + if Fonts[ActFont].Italic = false then + XItal := 0 + else + XItal := 12; + + glEnable(GL_TEXTURE_2D); + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glBindTexture(GL_TEXTURE_2D, TexNum); + glBegin(GL_QUADS); + glTexCoord2f(TexX, TexY); glVertex2f(PL+XItal, PT); + glTexCoord2f(TexX, TexB); glVertex2f(PL, PB); + glTexCoord2f(TexR, TexB); glVertex2f(PR, PB); + glTexCoord2f(TexR, TexY); glVertex2f(PR+XItal, PT); // not tested with XItal + glEnd; + X := X + W * (Finish - Start); + glDisable(GL_BLEND); + glDisable(GL_TEXTURE_2D); + end; // with + +end; + +procedure glPrint(text: pchar); // Custom GL "Print" Routine +var +// Letter : char; + iPos : Integer; + +begin + if (Text = '') then // If There's No Text + Exit; // Do Nothing + +(* + while (length(text) > 0) do + begin + // cut + Letter := Text[0]; + Text := pchar(Copy(Text, 2, Length(Text)-1)); + + // print + glPrintLetter(Letter); + end; // while +*) + + // This code is better, because doing a Copy of for every + // letter in a string is a waste of CPU & Memory resources. + // Copy operations are quite memory intensive, and this simple + // code achieves the same result. + for iPos := 0 to length( text ) - 1 do + begin + glPrintLetter( Text[iPos] ); + end; + +end; + +function NextPowerOfTwo(Value: Integer): Integer; +// tyty to Asphyre +// FIXME: check if the non-asm version is fast enough and use it by default if so +begin + Result:= 1; +{$IF Defined(CPUX86_64)} + asm + mov rcx, -1 + bsr rcx, Value + inc rcx + shl Result, cl + end; +{$ELSEIF Defined(CPU386) or Defined(CPUI386)} + asm + mov ecx, -1 + bsr ecx, Value + inc ecx + shl Result, cl + end; +{$ELSE} + while (Result <= Value) do + Result := 2 * Result; +{$IFEND} +end; + +function LoadFont(FileName: PAnsiChar; PointSize: integer):PTTF_Font; +begin + if (FileExists(FileName)) then + begin + Result := TTF_OpenFont( FileName, PointSize ); + end + else + begin + Log.LogStatus('ERROR Could not find font in ' + FileName , ''); + ShowMessage( 'ERROR Could not find font in ' + FileName ); + Result := nil; + end; +end; + +function RenderText(font: PTTF_Font; Text:PAnsiChar; Color: Cardinal): PSDL_Surface; +var + clr : TSDL_color; +begin + clr.r := ((Color and $ff0000) shr 16 ) div 255; + clr.g := ((Color and $ff00 ) shr 8 ) div 255; + clr.b := ( Color and $ff ) div 255 ; + + result := TTF_RenderText_Blended( font, text, cLr); +end; + +procedure printrandomtext(); +var + stext,intermediary : PSDL_surface; + clrFg, clrBG : TSDL_color; + texture : Gluint; + font : PTTF_Font; + w,h : integer; +begin + +font := LoadFont('fonts\comicbd.ttf', 42); + +clrFg.r := 255; +clrFg.g := 255; +clrFg.b := 255; +clrFg.unused := 255; + +clrBg.r := 255; +clrbg.g := 0; +clrbg.b := 255; +clrbg.unused := 0; + + sText := RenderText(font, 'katzeeeeeee', $fe198e); +//sText := TTF_RenderText_Blended( font, 'huuuuuuuuuund', clrFG); + + // Convert the rendered text to a known format + w := nextpoweroftwo(sText.w); + h := nextpoweroftwo(sText.h); + +intermediary := SDL_CreateRGBSurface(0, w, h, 32, + $000000ff, $0000ff00, $00ff0000, $ff000000); + + SDL_SetAlpha(intermediary, 0, 255); + SDL_SetAlpha(sText, 0, 255); + SDL_BlitSurface(sText, nil, intermediary, nil); + + glGenTextures(1, @texture); + + glBindTexture(GL_TEXTURE_2D, texture); + + glTexImage2D(GL_TEXTURE_2D, 0, 4, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, intermediary.pixels); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + + + + + glEnable(GL_TEXTURE_2D); + glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA); + glEnable(GL_BLEND); + glBindTexture(GL_TEXTURE_2D, texture); + glColor4f(1, 0, 1, 1); + + glbegin(gl_quads); + glTexCoord2f(0,0); glVertex2f(200, 300); + glTexCoord2f(0,sText.h/h); glVertex2f(200 , 300 + sText.h); + glTexCoord2f(sText.w/w,sText.h/h); glVertex2f(200 + sText.w, 300 + sText.h); + glTexCoord2f(sText.w/w,0); glVertex2f(200 + sText.w, 300); + glEnd; + glfinish(); + glDisable(GL_BLEND); + gldisable(gl_texture_2d); + + + + +SDL_FreeSurface( sText ); +SDL_FreeSurface( intermediary ); +glDeleteTextures(1, @texture); +TTF_CloseFont( font ); + +end; + +procedure glPrintCut(text: pchar); +var + Letter: char; + PToDo: real; + PTotWidth: real; + PDoingNow: real; + S: string; +begin + if (Text = '') then // If There's No Text + Exit; // Do Nothing + + PTotWidth := glTextWidth(Text); + PToDo := Fonts[ActFont].Done; + + while (length(text) > 0) do begin + // cut + Letter := Text[0]; + Text := pchar(Copy(Text, 2, Length(Text)-1)); + + // analyze + S := Letter; + PDoingNow := glTextWidth(pchar(S)) / PTotWidth; + + // drawing + if (PToDo > 0) and (PDoingNow <= PToDo) then + glPrintLetter(Letter); + + if (PToDo > 0) and (PDoingNow > PToDo) then begin + glPrintLetterCut(Letter, 0, PToDo / PDoingNow); + glColor3f(PColR, PColG, PColB); + glPrintLetterCut(Letter, PToDo / PDoingNow, 1); + end; + + if (PToDo <= 0) then + glPrintLetter(Letter); + + PToDo := PToDo - PDoingNow; + + end; // while +end; + + +procedure SetFontPos(X, Y: real); +begin + Fonts[ActFont].Tex.X := X; + Fonts[ActFont].Tex.Y := Y; +end; + +procedure SetFontSize(Size: real); +begin + Fonts[ActFont].Tex.H := 30 * (Size/10); +end; + +procedure SetFontStyle(Style: integer); +begin + ActFont := Style; +end; + +procedure SetFontItalic(Enable: boolean); +begin + Fonts[ActFont].Italic := Enable; +end; + +procedure SetFontAspectW(Aspect: real); +begin + Fonts[ActFont].AspectW := Aspect; +end; + +end. + + diff --git a/Game/Code/Classes/UServices.pas b/Game/Code/Classes/UServices.pas index 19561eeb..cb03248e 100644 --- a/Game/Code/Classes/UServices.pas +++ b/Game/Code/Classes/UServices.pas @@ -1,330 +1,356 @@ -unit UServices; - -interface - -{$IFDEF FPC} - {$MODE Delphi} -{$ENDIF} - -{$I switches.inc} - -uses uPluginDefs, - SysUtils; -{********************* - TServiceManager - Class for saving, managing and calling of Services. - Saves all Services and their Procs -*********************} - -type - TServiceName = String[60]; - PServiceInfo = ^TServiceInfo; - TServiceInfo = record - Self: THandle; //Handle of this Service - Hash: Integer; //4 Bit Hash of the Services Name - Name: TServiceName; //Name of this Service - - Owner: Integer; //If < 0 [-(DLLMan Pluginindex + 1)]; 0 - undefined, On Error Full shutdown, If < 0 [ModuleIndex - 1] - - Next: PServiceInfo; //Pointer to the Next Service in teh list - - //Here is s/t tricky - //To avoid writing of Wrapping Functions to offer a Service from a Class - //We save a Normal Proc or a Method of a Class - Case isClass: boolean of - False: (Proc: TUS_Service); //Proc that will be called on Event - True: (ProcOfClass: TUS_Service_of_Object); - end; - - TServiceManager = class - private - //Managing Service List - FirstService: PServiceInfo; - LastService: PServiceInfo; - - //Some Speed improvement by caching the last 4 called Services - //Most of the time a Service is called multiple times - ServiceCache: Array[0..3] of PServiceInfo; - NextCacheItem: Byte; - - //Next Service added gets this Handle: - NextHandle: THandle; - public - Constructor Create; - - Function AddService(const ServiceName: PChar; const Proc: TUS_Service = nil; const ProcofClass: TUS_Service_of_Object = nil): THandle; - Function DelService(const hService: THandle): integer; - - Function CallService(const ServiceName: PChar; const wParam: TwParam; lParam: TlParam): integer; - - Function NametoHash(const ServiceName: TServiceName): Integer; - Function ServiceExists(const ServiceName: PChar): Integer; - end; - -var - ServiceManager: TServiceManager; - -implementation -uses - ULog, - UCore; - -//------------ -// Create - Creates Class and Set Standard Values -//------------ -Constructor TServiceManager.Create; -begin - FirstService := nil; - LastService := nil; - - ServiceCache[0] := nil; - ServiceCache[1] := nil; - ServiceCache[2] := nil; - ServiceCache[3] := nil; - - NextCacheItem := 0; - - NextHandle := 1; - - {$IFDEF DEBUG} - debugWriteln('ServiceManager: Succesful created!'); - {$ENDIF} -end; - -//------------ -// Function Creates a new Service and Returns the Services Handle, -// 0 on Failure. (Name already exists) -//------------ -Function TServiceManager.AddService(const ServiceName: PChar; const Proc: TUS_Service; const ProcofClass: TUS_Service_of_Object): THandle; -var - Cur: PServiceInfo; -begin - Result := 0; - - If (@Proc <> nil) or (@ProcOfClass <> nil) then - begin - If (ServiceExists(ServiceName) = 0) then - begin //There is a Proc and the Service does not already exist - //Ok Add it! - - //Get Memory - GetMem(Cur, SizeOf(TServiceInfo)); - - //Fill it with Data - Cur.Next := nil; - - If (@Proc = nil) then - begin //Use the ProcofClass Method - Cur.isClass := True; - Cur.ProcOfClass := ProcofClass; - end - else //Use the normal Proc - begin - Cur.isClass := False; - Cur.Proc := Proc; - end; - - Cur.Self := NextHandle; - //Zero Name - Cur.Name := #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0; - Cur.Name := String(ServiceName); - Cur.Hash := NametoHash(Cur.Name); - - //Add Owner to Service - Cur.Owner := Core.CurExecuted; - - //Add Service to the List - If (FirstService = nil) then - FirstService := Cur; - - If (LastService <> nil) then - LastService.Next := Cur; - - LastService := Cur; - - {$IFDEF DEBUG} - debugWriteln('ServiceManager: Service added: ''' + ServiceName + ''', Handle: ' + InttoStr(Cur.Self)); - {$ENDIF} - - //Inc Next Handle - Inc(NextHandle); - end - {$IFDEF DEBUG} - else debugWriteln('ServiceManager: Try to readd Service: ' + ServiceName); - {$ENDIF} - end; -end; - -//------------ -// Function Destroys a Service, 0 on success, not 0 on Failure -//------------ -Function TServiceManager.DelService(const hService: THandle): integer; -var - Last, Cur: PServiceInfo; - I: Integer; -begin - Result := -1; - - Last := nil; - Cur := FirstService; - - //Search for Service to Delete - While (Cur <> nil) do - begin - If (Cur.Self = hService) then - begin //Found Service => Delete it - - //Delete from List - If (Last = nil) then //Found first Service - FirstService := Cur.Next - Else //Service behind the first - Last.Next := Cur.Next; - - //IF this is the LastService, correct LastService - If (Cur = LastService) then - LastService := Last; - - //Search for Service in Cache and delete it if found - For I := 0 to High(ServiceCache) do - If (ServiceCache[I] = Cur) then - begin - ServiceCache[I] := nil; - end; - - {$IFDEF DEBUG} - debugWriteln('ServiceManager: Removed Service succesful: ' + Cur.Name); - {$ENDIF} - - //Free Memory - Freemem(Cur, SizeOf(TServiceInfo)); - - //Break the Loop - Break; - end; - - //Go to Next Service - Last := Cur; - Cur := Cur.Next; - end; -end; - -//------------ -// Function Calls a Services Proc -// Returns Services Return Value or SERVICE_NOT_FOUND on Failure -//------------ -Function TServiceManager.CallService(const ServiceName: PChar; const wParam: TwParam; lParam: TlParam): integer; -var - SExists: Integer; - Service: PServiceInfo; - CurExecutedBackup: Integer; //backup of Core.CurExecuted Attribute -begin - Result := SERVICE_NOT_FOUND; - SExists := ServiceExists(ServiceName); - If (SExists <> 0) then - begin - //Backup CurExecuted - CurExecutedBackup := Core.CurExecuted; - - Service := Pointer(SExists); - - If (Service.isClass) then - //Use Proc of Class - // FIXME: "function ... of object" does not fit into an integer (2x pointers: object + function-code -> 8byte on x86) - Result := Service.ProcOfClass(wParam, lParam) - Else - //Use normal Proc - // FIXME: will not work with x64 CPUs, pointers will be 64bit there - Result := Service.Proc(wParam, lParam); - - //Restore CurExecuted - Core.CurExecuted := CurExecutedBackup; - end; - - {$IFDEF DEBUG} - debugWriteln('ServiceManager: Service ''' + ServiceName + ''' called. Result: ' + InttoStr(Result)); - {$ENDIF} -end; - -//------------ -// Generates the Hash for the given Name -//------------ -Function TServiceManager.NametoHash(const ServiceName: TServiceName): Integer; -asm - { CL: Counter; EAX: Result; EDX: Current Memory Address } - Mov ECX, 14 {Init Counter, Fold 14 Times to get 4 Bytes out of 60} - - Mov EDX, ServiceName {Save Address of String that should be "Hashed"} - - Mov EAX, [EDX] - - @FoldLoop: ADD EDX, 4 {jump 4 Byte(32 Bit) to the next tile } - ADD EAX, [EDX] {Add the Value of the next 4 Byte of the String to the Hash} - - LOOP @FoldLoop {Fold again if there are Chars Left} -end; - - -//------------ -// Function Returns Non Zero if a Service with the given Name Exists, otherwise 0 -//------------ -Function TServiceManager.ServiceExists(const ServiceName: PChar): Integer; -var - Name: TServiceName; - Hash: Integer; - Cur: PServiceInfo; - I: Byte; -begin - Result := 0; - // to-do : Write a Metbod (in ASM) to Zero and Add in one turn (faster then this dirty hack ;) - //Zero Name: - Name := #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0; - //Add Service Name - Name := String(ServiceName); - Hash := NametoHash(Name); - - //First of all Look for the Service in Cache - For I := 0 to High(ServiceCache) do - begin - If (ServiceCache[I] <> nil) AND (ServiceCache[I].Hash = Hash) then - begin - If (ServiceCache[I].Name = Name) then - begin //Found Service in Cache - Result := Integer(ServiceCache[I]); - - {$IFDEF DEBUG} - debugWriteln('ServiceManager: Found Service in Cache: ''' + ServiceName + ''''); - {$ENDIF} - - Break; - end; - end; - end; - - If (Result = 0) then - begin - Cur := FirstService; - While (Cur <> nil) do - begin - If (Cur.Hash = Hash) then - begin - If (Cur.Name = Name) then - begin //Found the Service - Result := Integer(Cur); - - {$IFDEF DEBUG} - debugWriteln('ServiceManager: Found Service in List: ''' + ServiceName + ''''); - {$ENDIF} - - //Add to Cache - ServiceCache[NextCacheItem] := Cur; - NextCacheItem := (NextCacheItem + 1) AND 3; - Break; - end; - end; - - Cur := Cur.Next; - end; - end; -end; - -end. +unit UServices; + +interface + +{$IFDEF FPC} + {$MODE Delphi} +{$ENDIF} + +{$I switches.inc} + +{$IFDEF FPC} + {$ASMMODE Intel} +{$ENDIF} + +uses uPluginDefs, + SysUtils; +{********************* + TServiceManager + Class for saving, managing and calling of Services. + Saves all Services and their Procs +*********************} + +type + TServiceName = String[60]; + PServiceInfo = ^TServiceInfo; + TServiceInfo = record + Self: THandle; //Handle of this Service + Hash: Integer; //4 Bit Hash of the Services Name + Name: TServiceName; //Name of this Service + + Owner: Integer; //If < 0 [-(DLLMan Pluginindex + 1)]; 0 - undefined, On Error Full shutdown, If < 0 [ModuleIndex - 1] + + Next: PServiceInfo; //Pointer to the Next Service in teh list + + //Here is s/t tricky + //To avoid writing of Wrapping Functions to offer a Service from a Class + //We save a Normal Proc or a Method of a Class + Case isClass: boolean of + False: (Proc: TUS_Service); //Proc that will be called on Event + True: (ProcOfClass: TUS_Service_of_Object); + end; + + TServiceManager = class + private + //Managing Service List + FirstService: PServiceInfo; + LastService: PServiceInfo; + + //Some Speed improvement by caching the last 4 called Services + //Most of the time a Service is called multiple times + ServiceCache: Array[0..3] of PServiceInfo; + NextCacheItem: Byte; + + //Next Service added gets this Handle: + NextHandle: THandle; + public + Constructor Create; + + Function AddService(const ServiceName: PChar; const Proc: TUS_Service = nil; const ProcofClass: TUS_Service_of_Object = nil): THandle; + Function DelService(const hService: THandle): integer; + + Function CallService(const ServiceName: PChar; const wParam: TwParam; lParam: TlParam): integer; + + Function NametoHash(const ServiceName: TServiceName): Integer; + Function ServiceExists(const ServiceName: PChar): Integer; + end; + +var + ServiceManager: TServiceManager; + +implementation +uses + ULog, + UCore; + +//------------ +// Create - Creates Class and Set Standard Values +//------------ +Constructor TServiceManager.Create; +begin + FirstService := nil; + LastService := nil; + + ServiceCache[0] := nil; + ServiceCache[1] := nil; + ServiceCache[2] := nil; + ServiceCache[3] := nil; + + NextCacheItem := 0; + + NextHandle := 1; + + {$IFDEF DEBUG} + debugWriteln('ServiceManager: Succesful created!'); + {$ENDIF} +end; + +//------------ +// Function Creates a new Service and Returns the Services Handle, +// 0 on Failure. (Name already exists) +//------------ +Function TServiceManager.AddService(const ServiceName: PChar; const Proc: TUS_Service; const ProcofClass: TUS_Service_of_Object): THandle; +var + Cur: PServiceInfo; +begin + Result := 0; + + If (@Proc <> nil) or (@ProcOfClass <> nil) then + begin + If (ServiceExists(ServiceName) = 0) then + begin //There is a Proc and the Service does not already exist + //Ok Add it! + + //Get Memory + GetMem(Cur, SizeOf(TServiceInfo)); + + //Fill it with Data + Cur.Next := nil; + + If (@Proc = nil) then + begin //Use the ProcofClass Method + Cur.isClass := True; + Cur.ProcOfClass := ProcofClass; + end + else //Use the normal Proc + begin + Cur.isClass := False; + Cur.Proc := Proc; + end; + + Cur.Self := NextHandle; + //Zero Name + Cur.Name := #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0; + Cur.Name := String(ServiceName); + Cur.Hash := NametoHash(Cur.Name); + + //Add Owner to Service + Cur.Owner := Core.CurExecuted; + + //Add Service to the List + If (FirstService = nil) then + FirstService := Cur; + + If (LastService <> nil) then + LastService.Next := Cur; + + LastService := Cur; + + {$IFDEF DEBUG} + debugWriteln('ServiceManager: Service added: ''' + ServiceName + ''', Handle: ' + InttoStr(Cur.Self)); + {$ENDIF} + + //Inc Next Handle + Inc(NextHandle); + end + {$IFDEF DEBUG} + else debugWriteln('ServiceManager: Try to readd Service: ' + ServiceName); + {$ENDIF} + end; +end; + +//------------ +// Function Destroys a Service, 0 on success, not 0 on Failure +//------------ +Function TServiceManager.DelService(const hService: THandle): integer; +var + Last, Cur: PServiceInfo; + I: Integer; +begin + Result := -1; + + Last := nil; + Cur := FirstService; + + //Search for Service to Delete + While (Cur <> nil) do + begin + If (Cur.Self = hService) then + begin //Found Service => Delete it + + //Delete from List + If (Last = nil) then //Found first Service + FirstService := Cur.Next + Else //Service behind the first + Last.Next := Cur.Next; + + //IF this is the LastService, correct LastService + If (Cur = LastService) then + LastService := Last; + + //Search for Service in Cache and delete it if found + For I := 0 to High(ServiceCache) do + If (ServiceCache[I] = Cur) then + begin + ServiceCache[I] := nil; + end; + + {$IFDEF DEBUG} + debugWriteln('ServiceManager: Removed Service succesful: ' + Cur.Name); + {$ENDIF} + + //Free Memory + Freemem(Cur, SizeOf(TServiceInfo)); + + //Break the Loop + Break; + end; + + //Go to Next Service + Last := Cur; + Cur := Cur.Next; + end; +end; + +//------------ +// Function Calls a Services Proc +// Returns Services Return Value or SERVICE_NOT_FOUND on Failure +//------------ +Function TServiceManager.CallService(const ServiceName: PChar; const wParam: TwParam; lParam: TlParam): integer; +var + SExists: Integer; + Service: PServiceInfo; + CurExecutedBackup: Integer; //backup of Core.CurExecuted Attribute +begin + Result := SERVICE_NOT_FOUND; + SExists := ServiceExists(ServiceName); + If (SExists <> 0) then + begin + //Backup CurExecuted + CurExecutedBackup := Core.CurExecuted; + + Service := Pointer(SExists); + + If (Service.isClass) then + //Use Proc of Class + // FIXME: "function ... of object" does not fit into an integer (2x pointers: object + function-code -> 8byte on x86) + Result := Service.ProcOfClass(wParam, lParam) + Else + //Use normal Proc + // FIXME: will not work with x64 CPUs, pointers will be 64bit there + Result := Service.Proc(wParam, lParam); + + //Restore CurExecuted + Core.CurExecuted := CurExecutedBackup; + end; + + {$IFDEF DEBUG} + debugWriteln('ServiceManager: Service ''' + ServiceName + ''' called. Result: ' + InttoStr(Result)); + {$ENDIF} +end; + +//------------ +// Generates the Hash for the given Name +//------------ +Function TServiceManager.NametoHash(const ServiceName: TServiceName): Integer; +// FIXME: check if the non-asm version is fast enough and use it by default if so +{$IF Defined(CPUX86_64)} +asm + { CL: Counter; RAX: Result; RDX: Current Memory Address } + Mov RCX, 14 + Mov RDX, ServiceName {Save Address of String that should be "Hashed"} + Mov RAX, [RDX] + @FoldLoop: ADD RDX, 4 {jump 4 Byte(32 Bit) to the next tile } + ADD RAX, [RDX] {Add the Value of the next 4 Byte of the String to the Hash} + LOOP @FoldLoop {Fold again if there are Chars Left} +end; +{$ELSEIF Defined(CPU386) or Defined(CPUI386)} +asm + { CL: Counter; EAX: Result; EDX: Current Memory Address } + Mov ECX, 14 {Init Counter, Fold 14 Times to get 4 Bytes out of 60} + Mov EDX, ServiceName {Save Address of String that should be "Hashed"} + Mov EAX, [EDX] + @FoldLoop: ADD EDX, 4 {jump 4 Byte(32 Bit) to the next tile } + ADD EAX, [EDX] {Add the Value of the next 4 Byte of the String to the Hash} + LOOP @FoldLoop {Fold again if there are Chars Left} +end; +{$ELSE} +var + i: integer; + ptr: ^integer; +begin + ptr := @ServiceName; + Result := 0; + for i := 1 to 14 do + begin + Result := Result + ptr^; + Inc(ptr); + end; +end; +{$IFEND} + + +//------------ +// Function Returns Non Zero if a Service with the given Name Exists, otherwise 0 +//------------ +Function TServiceManager.ServiceExists(const ServiceName: PChar): Integer; +var + Name: TServiceName; + Hash: Integer; + Cur: PServiceInfo; + I: Byte; +begin + Result := 0; + // to-do : Write a Metbod (in ASM) to Zero and Add in one turn (faster then this dirty hack ;) + //Zero Name: + Name := #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0 + #0; + //Add Service Name + Name := String(ServiceName); + Hash := NametoHash(Name); + + //First of all Look for the Service in Cache + For I := 0 to High(ServiceCache) do + begin + If (ServiceCache[I] <> nil) AND (ServiceCache[I].Hash = Hash) then + begin + If (ServiceCache[I].Name = Name) then + begin //Found Service in Cache + Result := Integer(ServiceCache[I]); + + {$IFDEF DEBUG} + debugWriteln('ServiceManager: Found Service in Cache: ''' + ServiceName + ''''); + {$ENDIF} + + Break; + end; + end; + end; + + If (Result = 0) then + begin + Cur := FirstService; + While (Cur <> nil) do + begin + If (Cur.Hash = Hash) then + begin + If (Cur.Name = Name) then + begin //Found the Service + Result := Integer(Cur); + + {$IFDEF DEBUG} + debugWriteln('ServiceManager: Found Service in List: ''' + ServiceName + ''''); + {$ENDIF} + + //Add to Cache + ServiceCache[NextCacheItem] := Cur; + NextCacheItem := (NextCacheItem + 1) AND 3; + Break; + end; + end; + + Cur := Cur.Next; + end; + end; +end; + +end. -- cgit v1.2.3