diff options
| -rw-r--r-- | Game/Code/Classes/TextGL.pas | 323 |
1 files changed, 89 insertions, 234 deletions
diff --git a/Game/Code/Classes/TextGL.pas b/Game/Code/Classes/TextGL.pas index e36fcd2c..f7b3ac95 100644 --- a/Game/Code/Classes/TextGL.pas +++ b/Game/Code/Classes/TextGL.pas @@ -8,10 +8,6 @@ interface {$I switches.inc} -{$IFDEF FPC} - {$ASMMODE Intel} -{$ENDIF} - uses gl, SDL, @@ -22,12 +18,9 @@ uses 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); +function glTextWidth(text: PChar): real; // returns text width 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 SetFontZ(Z: real); // sets Z procedure SetFontSize(Size: real); @@ -37,15 +30,11 @@ procedure SetFontAspectW(Aspect: real); procedure SetFontReflection(Enable:boolean;Spacing: real); // enables/disables text reflection procedure SetFontBlend(Enable: boolean); // enables/disables blending -// 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 @@ -65,7 +54,6 @@ type Width: array[0..255] of byte; AspectW: real; Centered: boolean; - Done: real; Outline: real; Italic: boolean; Reflection: boolean; @@ -75,16 +63,9 @@ type 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; - // Colours for the reflection - TempColor: array[0..3] of GLfloat; - PTempColor: PGLfloat; implementation @@ -94,6 +75,10 @@ uses SysUtils, UGraphic; +var + // Colours for the reflection + TempColor: array[0..3] of GLfloat; + procedure LoadBitmapFontInfo(aID : integer; const aType, aResourceName: string); var stream: TStream; @@ -119,36 +104,25 @@ var 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 @@ -158,10 +132,10 @@ begin Fonts[4].Outline := 5;} // load font info - LoadBitmapFontInfo( 0, 'FNT', 'Font' ); - LoadBitmapFontInfo( 1, 'FNT', 'FontB' ); - LoadBitmapFontInfo( 2, 'FNT', 'FontO' ); - LoadBitmapFontInfo( 3, 'FNT', 'FontO2' ); + LoadBitmapFontInfo( 0, 'FNT', 'Font'); + LoadBitmapFontInfo( 1, 'FNT', 'FontB'); + LoadBitmapFontInfo( 2, 'FNT', 'FontO'); + LoadBitmapFontInfo( 3, 'FNT', 'FontO2'); for Count := 0 to 255 do Fonts[1].Width[Count] := Fonts[1].Width[Count] div 2; @@ -184,7 +158,7 @@ end; procedure KillFont; begin // delete all characters - //glDeleteLists(base, 256); + //glDeleteLists(..., 256); end; function glTextWidth(text: pchar): real; @@ -200,16 +174,6 @@ begin 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; @@ -244,7 +208,7 @@ begin PR := PL + Tex.W + Font.Outline * (Tex.H/30) * Font.AspectW; PB := PT + Tex.H; - if Font.Italic = false then + if (not Font.Italic) then XItal := 0 else XItal := 12; @@ -268,7 +232,7 @@ begin // <mog> Reflection // Yes it would make sense to put this in an extra procedure, // but this works, doesn't take much lines, and is almost lightweight - if Font.Reflection = true then + if Font.Reflection then begin ReflectionSpacing := Font.ReflectionSpacing + Tex.H/2; @@ -303,129 +267,104 @@ begin Tex.X := Tex.X + Tex.W; //write the colour back - glColor4fv(PTempColor); + glColor4fv(@TempColor); end; -procedure glPrintLetterCut(letter: char; Start, Finish: real); +// Custom GL "Print" Routine +procedure glPrint(Text: PChar); var - TexX, TexY: real; - TexR, TexB: real; - TexTemp: real; - FWidth: real; - PL, PT: real; - PR, PB: real; - OutTemp: real; - XItal: real; - Font: PFont; - Tex: PTexture; + Pos: integer; begin - Font := @Fonts[ActFont]; - Tex := @Font.Tex; - - FWidth := Fonts[ActFont].Width[Ord(Letter)]; - - Tex.W := FWidth * (Tex.H/30) * Fonts[ActFont].AspectW; - //Tex.H := 30; - OutTemp := Fonts[ActFont].Outline * (Tex.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; + // if there is no text do nothing + if ((Text = nil) or (Text = '')) then + Exit; - // set vector positions - PL := Tex.X - OutTemp / 2 + OutTemp * Start; - PT := Tex.Y; - PR := PL + (Tex.W + OutTemp) * (Finish - Start); - PB := PT + Tex.H; - if Fonts[ActFont].Italic = false then - XItal := 0 - else - XItal := 12; + //Save the actual color and alpha (for reflection) + glGetFloatv(GL_CURRENT_COLOR, @TempColor); - if (Font.Blend) then + for Pos := 0 to Length(Text) - 1 do begin - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glPrintLetter(Text[Pos]); end; +end; - glEnable(GL_TEXTURE_2D); - glBindTexture(GL_TEXTURE_2D, Tex.TexNum); +procedure SetFontPos(X, Y: real); +begin + Fonts[ActFont].Tex.X := X; + Fonts[ActFont].Tex.Y := Y; +end; - 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; +procedure SetFontZ(Z: real); +begin + Fonts[ActFont].Tex.Z := Z; +end; - Tex.X := Tex.X + Tex.W * (Finish - Start); +procedure SetFontSize(Size: real); +begin + Fonts[ActFont].Tex.H := 30 * (Size/10); +end; - glDisable(GL_TEXTURE_2D); - if (Font.Blend) then - glDisable(GL_BLEND); +procedure SetFontStyle(Style: integer); +begin + ActFont := Style; end; -// Custom GL "Print" Routine -procedure glPrint(text: pchar); -var - //Letter : char; - iPos : integer; +procedure SetFontItalic(Enable: boolean); begin - if (Text = '') then // If There's No Text - Exit; // Do Nothing + Fonts[ActFont].Italic := Enable; +end; - //Save the actual color and alpha (for reflection) - PTempColor:= @TempColor; - //I've read that glGetFloat is quite slow, but it seems that there is no alternative - glGetFloatv(GL_CURRENT_COLOR, PTempColor); - - // 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; +procedure SetFontAspectW(Aspect: real); +begin + Fonts[ActFont].AspectW := Aspect; +end; +procedure SetFontReflection(Enable: boolean; Spacing: real); +begin + Fonts[ActFont].Reflection := Enable; + Fonts[ActFont].ReflectionSpacing := Spacing; +end; + +procedure SetFontBlend(Enable: boolean); +begin + Fonts[ActFont].Blend := Enable; end; -{* + + + +(* <mog> I uncommented this, because it was some kind of after hour hack together with blindy it's actually just a prove of concept, as it's having some flaws - instead nice and clean ttf code should be placed here :) -*} -// tyty to Asphyre -// FIXME: check if the non-asm version is fast enough and use it by default if so -//function NextPowerOfTwo(Value: integer): integer; -//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; -//{$IFEND} -//end; -{* + +{$IFDEF FPC} + {$ASMMODE Intel} +{$ENDIF} + +function NextPowerOfTwo(Value: integer): integer; +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 @@ -517,91 +456,7 @@ begin 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 SetFontZ(Z: real); -begin - Fonts[ActFont].Tex.Z := Z; -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; +*) -procedure SetFontReflection(Enable: boolean; Spacing: real); -begin - Fonts[ActFont].Reflection := Enable; - Fonts[ActFont].ReflectionSpacing := Spacing; -end; - -procedure SetFontBlend(Enable: boolean); -begin - Fonts[ActFont].Blend := Enable; -end; end. |