diff options
Diffstat (limited to 'Game/Code/Classes/TextGL.pas')
-rw-r--r-- | Game/Code/Classes/TextGL.pas | 1170 |
1 files changed, 585 insertions, 585 deletions
diff --git a/Game/Code/Classes/TextGL.pas b/Game/Code/Classes/TextGL.pas index 1396ae1b..2c29af59 100644 --- a/Game/Code/Classes/TextGL.pas +++ b/Game/Code/Classes/TextGL.pas @@ -1,585 +1,585 @@ -unit TextGL;
-
-interface
-
-{$IFDEF FPC}
- {$MODE Delphi}
-{$ENDIF}
-
-{$I switches.inc}
-
-{$IFDEF FPC}
- {$ASMMODE Intel}
-{$ENDIF}
-
-uses
- gl,
- 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);
-procedure SetFontReflection(Enable:boolean;Spacing: real); // Enables/Disables text reflection
-
-// 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;
- Reflection: boolean;
- ReflectionSpacing: real;
- 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;
-
- // Colours for the reflection
- TempColor: array[0..3] of GLfloat;
- PTempColor: PGLfloat;
-
-implementation
-
-uses
- UMain,
- UCommon,
- SysUtils,
- UGraphic;
-
-procedure LoadBitmapFontInfo(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;
-
-// Builds bitmap fonts
-procedure BuildFont;
-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;}
-
- // load font info
- 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;
-
- 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;
-
-// Deletes the font
-procedure KillFont;
-begin
- // delete all characters
- //glDeleteLists(base, 256);
-end;
-
-function glTextWidth(text: pchar): real;
-var
- Letter: char;
- i: integer;
-begin
- Result := 0;
- for i := 0 to Length(text) -1 do
- begin
- Letter := Text[i];
- 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;
- TexHeight: real;
- FWidth: real;
- PL, PT: real;
- PR, PB: real;
- XItal: real; // X shift for italic type letter
- ReflectionSpacing: real; // Distance of the reflection
-begin
- with Fonts[ActFont].Tex do
- begin
- FWidth := Fonts[ActFont].Width[Ord(Letter)];
-
- W := FWidth * (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;
- 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;
-
- TexHeight := TexB - TexY;
-
- // 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;
-
- // <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 Fonts[ActFont].Reflection = true then
- begin
- ReflectionSpacing := Fonts[ActFont].ReflectionSpacing + H/2;
-
- glDepthRange(0, 10);
- glDepthFunc(GL_LEQUAL);
- glEnable(GL_DEPTH_TEST);
-
- glBegin(GL_QUADS);
- try
- glColor4f(TempColor[0], TempColor[1], TempColor[2], 0);
- glTexCoord2f(TexX, TexY + TexHeight/2);
- glVertex3f(PL, PB + ReflectionSpacing - H/2, z);
-
- glColor4f(TempColor[0], TempColor[1], TempColor[2], Alpha-0.3);
- glTexCoord2f(TexX, TexB );
- glVertex3f(PL + XItal, PT + ReflectionSpacing, z);
-
- glTexCoord2f(TexR, TexB );
- glVertex3f(PR + XItal, PT + ReflectionSpacing, z);
-
- glColor4f(TempColor[0], TempColor[1], TempColor[2], 0);
- glTexCoord2f(TexR, TexY + TexHeight/2);
- glVertex3f(PR, PB + ReflectionSpacing - H/2, z);
- finally
- glEnd;
- end;
- glDisable(GL_DEPTH_TEST);
- end; // reflection
-
- glDisable(GL_TEXTURE_2D);
- glDisable(GL_BLEND);
-
- X := X + W;
- end; // with
-
- //write the colour back
- glColor4fv(PTempColor);
-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;
-
-// Custom GL "Print" Routine
-procedure glPrint(text: pchar);
-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
-*)
-
- //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;
-
-end;
-
-// 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;
-
-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;
-
-procedure SetFontReflection(Enable: boolean; Spacing: real);
-begin
- Fonts[ActFont].Reflection := Enable;
- Fonts[ActFont].ReflectionSpacing := Spacing;
-end;
-
-end.
+unit TextGL; + +interface + +{$IFDEF FPC} + {$MODE Delphi} +{$ENDIF} + +{$I switches.inc} + +{$IFDEF FPC} + {$ASMMODE Intel} +{$ENDIF} + +uses + gl, + 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); +procedure SetFontReflection(Enable:boolean;Spacing: real); // Enables/Disables text reflection + +// 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; + Reflection: boolean; + ReflectionSpacing: real; + 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; + + // Colours for the reflection + TempColor: array[0..3] of GLfloat; + PTempColor: PGLfloat; + +implementation + +uses + UMain, + UCommon, + SysUtils, + UGraphic; + +procedure LoadBitmapFontInfo(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; + +// Builds bitmap fonts +procedure BuildFont; +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;} + + // load font info + 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; + + 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; + +// Deletes the font +procedure KillFont; +begin + // delete all characters + //glDeleteLists(base, 256); +end; + +function glTextWidth(text: pchar): real; +var + Letter: char; + i: integer; +begin + Result := 0; + for i := 0 to Length(text) -1 do + begin + Letter := Text[i]; + 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; + TexHeight: real; + FWidth: real; + PL, PT: real; + PR, PB: real; + XItal: real; // X shift for italic type letter + ReflectionSpacing: real; // Distance of the reflection +begin + with Fonts[ActFont].Tex do + begin + FWidth := Fonts[ActFont].Width[Ord(Letter)]; + + W := FWidth * (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; + 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; + + TexHeight := TexB - TexY; + + // 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; + + // <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 Fonts[ActFont].Reflection = true then + begin + ReflectionSpacing := Fonts[ActFont].ReflectionSpacing + H/2; + + glDepthRange(0, 10); + glDepthFunc(GL_LEQUAL); + glEnable(GL_DEPTH_TEST); + + glBegin(GL_QUADS); + try + glColor4f(TempColor[0], TempColor[1], TempColor[2], 0); + glTexCoord2f(TexX, TexY + TexHeight/2); + glVertex3f(PL, PB + ReflectionSpacing - H/2, z); + + glColor4f(TempColor[0], TempColor[1], TempColor[2], Alpha-0.3); + glTexCoord2f(TexX, TexB ); + glVertex3f(PL + XItal, PT + ReflectionSpacing, z); + + glTexCoord2f(TexR, TexB ); + glVertex3f(PR + XItal, PT + ReflectionSpacing, z); + + glColor4f(TempColor[0], TempColor[1], TempColor[2], 0); + glTexCoord2f(TexR, TexY + TexHeight/2); + glVertex3f(PR, PB + ReflectionSpacing - H/2, z); + finally + glEnd; + end; + glDisable(GL_DEPTH_TEST); + end; // reflection + + glDisable(GL_TEXTURE_2D); + glDisable(GL_BLEND); + + X := X + W; + end; // with + + //write the colour back + glColor4fv(PTempColor); +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; + +// Custom GL "Print" Routine +procedure glPrint(text: pchar); +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 +*) + + //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; + +end; + +// 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; + +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; + +procedure SetFontReflection(Enable: boolean; Spacing: real); +begin + Fonts[ActFont].Reflection := Enable; + Fonts[ActFont].ReflectionSpacing := Spacing; +end; + +end. |