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ttext.cxs
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ttext.cxs
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''
''
'' 3d text for minib3d + monkey
Import minib3d.tsprite
Import minib3d
Class TText Extends TSprite Final
Const ALIGN_LEFT:Int = 0
Const ALIGN_CENTER:Int = 1
#If TARGET="xna"
Const MINUV:Float = 0.0
Const MAXUV:Float = 1.0
#Else
Const MINUV:Float = 0.0001
Const MAXUV:Float = 0.9999
#endif
Field cam:TCamera
Field mode:Bool = True ''true = 2d, false = 3d
Field use3D:Bool '' is this text 2d or 3d
Field text$="" , old_text$=""
Field length:Int
Field font_file:String
Field orig_width:Float, orig_height:Float ''retain this info for font ratios
Field char_uvwidth:Float
Field surf:TSurface
Field char_pixels:Float
Field pixel_ratio:Float
Field padding:Int
Field char_rows:Int
Field align:Int = 0
Global mask_color:Int = $000000
Function CreateText3D:TText(str$ = "", font$="", num_chars:Int = 96, c_pixels:Int=9, pad:Int = 0 )
Local tt:TText = CreateText(Null,str,font,num_chars,c_pixels,pad, False)
Return tt
End
Function CreateText2D:TText(camx:TCamera=Null, str$ = "", font$="", num_chars:Int = 96, c_pixels:Int=9, pad:Int = 0 )
Local tt:TText = CreateText(camx,str,font,num_chars,c_pixels,pad, True)
tt.HideEntity()
Return tt
End
Function CreateText:TText(camx:TCamera, str$ = "", font$="", num_chars:Int = 96, c_pixels:Int=9, pad:Float = 0.0, mode:Bool = True )
Local tt:TText = New TText
tt.entity_link = entity_list.EntityListAdd(tt)
tt.text = str
tt.length = str.Length()
tt.cam = camx
tt.classname = "TextSprite"
tt.is_sprite = True
tt.char_pixels = c_pixels
If font <> ""
tt.font_file = font
Else
tt.font_file = "mojo_font.png"
Endif
TTexture.useGlobalResizeSmooth = False ''dont smooth on resize
'TTexture.ClearTextureFilters() ''no mip map on fonts
Local pixmap:TPixmap = TPixmap.LoadPixmap( tt.font_file).Copy()
tt.orig_width = pixmap.width; tt.orig_height = pixmap.height
If pixmap.height = 0 Then Print"Font file not found."; Return tt
pixmap.MaskPixmap(tt.mask_color & $0000ff, (tt.mask_color & $00ff00) Shr 8 , (tt.mask_color & $ff0000) Shr 16)
Local tex:TTexture = TTexture.LoadTexture(pixmap,TEXFLAG_ALPHA|TEXFLAG_COLOR)
'TTexture.RestoreTextureFilters()
TTexture.useGlobalResizeSmooth = True
tex.is_font = True
tex.flags= TEXFLAG_CLAMPU|TEXFLAG_CLAMPV|TEXFLAG_ALPHA
tex.TextureBlend(2)
'tex.NoSmooth() ''can be set by user
tt.EntityShininess(0.0)
tt.surf = tt.CreateSurface()
tt.EntityTexture(tex)
tt.char_rows = Ceil( (c_pixels*num_chars+(num_chars*(pad*2.0) )) / tt.orig_width )
tt.pixel_ratio = Float(tex.width)/tt.orig_width
Local temp_chars_per_row:Int = Floor( num_chars/tt.char_rows)
tt.char_uvwidth = (tt.char_pixels * tt.pixel_ratio) / Float(tex.width)
tt.padding = tt.pixel_ratio*pad
'Print "charuv:"+tt.char_uvwidth+" "+tt.pixel_ratio+" "+tt.char_rows+" :: "+tex.TextureWidth(True)
' update matrix
If tt.parent<>Null
tt.mat.Overwrite(tt.parent.mat)
tt.UpdateMat()
Else
tt.UpdateMat(True)
Endif
tt.EntityFX 1+32
tt.SetText(str)
Return tt
End
Method CopyEntity:TEntity(parent_ent:TEntity = Null)
Local txt:TText = New TText
Self.CopyBaseSpriteTo(txt, parent_ent)
txt.cam = cam
txt.mode = mode
txt.use3D = use3D
txt.text = text
txt.length = length
txt.font_file = font_file
txt.orig_width = orig_width
txt.orig_height = orig_height
txt.char_uvwidth = char_uvwidth
txt.surf = surf
txt.char_pixels = char_pixels
txt.pixel_ratio = pixel_ratio
txt.padding = padding
txt.char_rows = char_rows
txt.align = align
Return txt
End
Method AddChar(char:Int, num:Int, x:Float=0.0, y:Float=0.0, offset:Float=0.0)
Local uv:Float = (char - 32.0) * char_uvwidth + (char - 32.0) * padding
Local uv2:Float = MAXUV '0.99999
If char = 32 Then uv =0; uv2 = MINUV '0.00001
If uv < 0 Then uv = 0; uv2 = MINUV '0.00001
'Local kern:Float = 0.3 * x + offset
Local kern:Float = 0.3 * x + offset
surf.AddVertex( 0.0+x-kern, 0.0+y,0, uv, uv2)
surf.AddVertex( 0.0+x-kern, 1.0+y,0, uv, MINUV)
surf.AddVertex( 1.0+x-kern, 1.0+y,0, uv+char_uvwidth, MINUV)
surf.AddVertex( 1.0+x-kern, 0.0+y,0, uv+char_uvwidth, uv2)
Local v:Int = num*4
surf.AddTriangle(0+v,1+v,2+v)
surf.AddTriangle(0+v,2+v,3+v)
End
Method AdjustChar(char:Int, num:Int, x:Float=0.0, y:Float=0.0)
Local uv:Float = (char - 32.0) * char_uvwidth + (char - 32.0) * padding
Local uv2:Float = MAXUV
If char = 32 Then uv =0; uv2 = MINUV
If uv < 0 Then uv = 0; uv2 = MINUV
Local kern:Float = 0.3 * x
Local v:Int = num*4
surf.VertexTexCoords(v+0,uv,uv2)
surf.VertexTexCoords(v+1,uv,MINUV)
surf.VertexTexCoords(v+2,uv+char_uvwidth,MINUV)
surf.VertexTexCoords(v+3,uv+char_uvwidth,uv2)
End
Method SetMode2D()
mode = True
HideEntity()
brush.fx = brush.fx |64|8 ''disable depth testing, fog
End
Method SetMode3D()
mode = False
ShowEntity()
brush.fx = brush.fx &(~64) &(~8) ''enable depth testing, fog
End
Method SetText(str$,x:Float=0.0, y:Float=0.0, z:Float = 0.0, align:Int=0)
Local resurf:Int = 0
If mode=False
PositionEntity(x,y,z)
#rem
Else If cam<>Null
''old cam projection way
Local zz:Float = (cam.range_far * cam.range_near) / (cam.range_far - cam.range_near) -0.05
scale_x = cam.inv_zoom
scale_y = cam.inv_zoom
Local vec:Vector = cam.CameraUnProject(x-char_pixels-4,y+char_pixels+char_pixels-4, zz )'0.95 )
PositionEntity(vec.x,vec.y,vec.z)
'ScaleEntity(1/cam.zoom,1/cam.zoom,1.0)
#end
Endif
If str = old_text Or str = "" Then Return
If str.Length() <> old_text.Length()
If surf
surf.ClearSurface()
Else
surf=CreateSurface()
Endif
resurf=1
Endif
old_text = str
Local nl:Int = -1, xx:Int =0.0, total:Int=0
''alignment
Local offset:Float = 0
If align = 1 Then offset = str.Length()*0.15 ''(0.5 times kern(0.3))
For Local i:= 0 To str.Length()-1
If str[i] = 13 Or str[i] = 10
nl=nl-1
xx=0.0
Continue
Endif
If resurf Then AddChar( str[i], total, xx, nl, offset) Else AdjustChar( str[i], total, xx, nl)
xx += 1
total +=1
Next
If resurf Then surf.CropSurfaceBuffers()
End
Function SetMaskColor( c:Int)
'' global, set before create text
mask_color = c
End
Method ScaleText(s_x#, s_y#, s_z#=1.0)
scale_x=s_x
scale_y=s_y
End
Function Pow2Size:Int( n )
Local t:Int=1
While t<n
t = t Shl 1
Wend
Return t
End
Method NoSmooth()
If brush Then brush.tex[0].NoSmooth()
End
Method Smooth()
If brush Then brush.tex[0].Smooth()
End
Method ReloadTexture()
''used for android context stuff
'TTexture.ResizeNoSmooth() ''retained within tex
TTexture.ClearTextureFilters() ''no mip map
Local tex:TTexture = TTexture.LoadTexture(surf.brush.pixmap,4, Self)
TTexture.RestoreTextureFilters()
'TTexture.ResizeSmooth()
End
End