Where comes the line from...

That's the game NET-Me made by myself.
If you start it there is a white line. WHY?

AppTitle "NET Me"
Global dome
Local con.Entity,PickedType.Entity
EndGraphics
ClearWorld
Graphics3D 800,600,0,2
Const envioren_coll=1,player_coll=2

Type Entity
Field ent,sur,brush,tex,mirr
Field info$,indo$,indone
Field action$,input_type$,oaction$
End Type

Type info
Field txt$
End Type

Type do
Field txt$,self$
End Type

player=CreateCube()

Camera=CreateCamera(player)
CameraClsMode Camera,1,1
CameraClsColor Camera,0,0,128
CameraRange Camera,1,200
PositionEntity Camera,0,1,0
CameraProjMode camera,1
CameraClsMode camera,1,1

EntityType player,player_coll
PositionEntity player,0,2,0

plane=boden()

mir=CreateMirror()

light=CreateLight()
TurnEntity light,90,0,0

Collisions player_coll,envioren_coll,2,3
dome=1
Repeat

If KeyHit(41)
FlushKeys
SetBuffer FrontBuffer()
Color 0,0,0
Rect 0,0,gfx(),FontHeight()
Locate 0,0
Color 255,0,0
todo2.do=New do
todo2\txt=Input(">")
todo2\self="Player"
SetBuffer BackBuffer()
FlushKeys
EndIf

Select Play
Case 0
Text gfx(2),gfy(2),"Press [ENTER] to start!",1,1
If KeyHit(28) play=1
Case 1
LoadWorld("default.wld")
play=2
End Select

If dome=1
If todo.do<>Null
todo2.do=todo
todo=After todo
Delete todo2
Else
todo.do=First do
EndIf

If todo<>Null
res=Do(todo\txt,todo\self)
i.info=New info:Insert i Before First info
i\txt=todo\txt
action$=todo\txt
Repeat
oaction$=action$;get old action to look for changing
action=Replace(action,"%myself%",todo\self);Kill %myself% and get myself
For countc.entity=Each entity;search...
re$="%indo"+countc\info+"%";...to find and...
action$=Replace(action,re,countc\indo);...to kill other variables
Next
Until oaction=action;Until nothing changed
i.info=New info:Insert i Before First info
i\txt=YesNo(res=1,"+","-")+">"+action
EndIf
Else
todo=First do
If todo<>todo2
i.info=New info:Insert i Before First info
i\txt=todo\txt
action$=todo\txt
Repeat
oaction$=action$;get old action to look for changing
action=Replace(action,"%myself%",todo\self);Kill %myself% and get myself
For countc.entity=Each entity;search...
re$="%indo"+countc\info+"%";...to find and...
action$=Replace(action,re,countc\indo);...to kill other variables
Next
Until oaction=action;Until nothing changed
i.info=New info:Insert i Before First info
i\txt="?>"+action
EndIf
If KeyHit(29) And todo<>Null
res=Do(todo\txt,todo\self)
i.info=New info:Insert i Before First info
i\txt=YesNo(res=1,"+","-")+">"+action
Delete todo
EndIf
If KeyHit(56) And todo<>Null
i.info=New info:Insert i Before First info
i\txt="X>"+action
Delete todo
EndIf
todo2=todo
EndIf

ent=KeyHit(28)Or MouseHit(1)
If con=Null
CameraPick camera,400,400
For c.entity=Each entity
Select c\input_type
Case "Console"
If ent And PickedType=c
ent=0
Con=c
txt$=con\indo
work$=""
time=MilliSecs()
FlushKeys
EndIf
Case "Collide"
For count=1 To 2
c\indo=EntityCollided(c\ent,count)
If c\indo<>0 Then c\indone=1:Exit
Next
Case "OnOff"
If ent And PickedType=c
Con=c
EndIf
Case "Go"
If ent And PickedType=c
Con=c
EndIf
End Select
If PickedEntity()=c\ent
PickedType.entity=c
EndIf
UpdateObject(c)
Next
EndIf
If con.Entity=Null
If KeyDown(205)
TurnEntity player,0,-1,0
ElseIf KeyDown(203)
TurnEntity player,0,1,0
EndIf

If KeyDown(200)
TurnEntity camera,-1,0,0
ElseIf KeyDown(208)
TurnEntity camera,1,0,0
EndIf

TurnEntity camera,MouseYSpeed(),0,0
TurnEntity player,0,-MouseXSpeed(),0

MoveMouse 400,300

If KeyDown(17)
MoveEntity player,0,0,0.1
EndIf
If KeyDown(31)
MoveEntity player,0,0,-.1
EndIf
If KeyDown(32)
MoveEntity player,0.1,0,0
EndIf
If KeyDown(30)
MoveEntity player,-.1,0,0
EndIf
Else
Select con\input_type
Case "Console"
If cur$="" cur=" "
If time>MilliSecs()-100
time=MilliSecs()
cur$=YesNo(a,"|"," ")
a=Not a
EndIf

key$=Chr(GetKey())
If key=Chr(13) Or ent
con\indo=txt+work
con\indone=1
cur$=""
FlushKeys
ElseIf key=Chr(04)
If work$<>""
work$=Right(work,Len(work)-1)
EndIf
ElseIf key=Chr(30)
If work$<>""
txt$=txt$+Mid(work$,1,1)
work$=Right(work,Len(work)-1)
EndIf
ElseIf key=Chr(31)
If txt$<>""
work$=Mid(txt,Len(txt),1)+work
txt$=Left(txt,Len(txt)-1)
EndIf
ElseIf key=Chr(27)
txt$=""
work$=""
ElseIf key=Chr(08)
If txt$<>""
txt$=Left(txt,Len(txt)-1)
EndIf
ElseIf key=Chr(0)
Else
txt$=txt+key
time=MilliSecs()
EndIf

SetBuffer TextureBuffer(con\tex)
Color 128,128,128
Rect 0,0,128,128
Color 0,0,0
Text 64,20,con\info,1,1
Rect 10,50,108,28,0
Text 64,64,txt+cur+work,1,1

If con\mirr Then mirror(0,0,128,128)
SetBuffer BackBuffer()

BrushTexture con\brush,con\tex
PaintSurface GetSurface(con\ent,1),con\brush

If cur="" con=Null
Case "OnOff"
con\indo=Not con\indo
SetBuffer TextureBuffer(con\tex)
If con\indo=1
Color 0,255,0
Else
Color 255,0,0
EndIf
Rect 0,0,128,128
If con\mirr Then mirror(0,0,128,128)
SetBuffer BackBuffer()

BrushTexture con\brush,con\tex
PaintSurface GetSurface(con\ent,1),con\brush
con\indone=1
con=Null
Case "Go"
con\indone=1
con=Null
End Select
EndIf

TranslateEntity player,0,-0.1,0

count=0
bed=0

For i.info=Each info
Color 255*(gfx(3)-count)/gfx(3),0,0
Text 0,count,i\txt
If count>gfy(3) Delete i
count=count+FontHeight()+1
Next

If PickedEntity()<>0
ProjectEntity PickedEntity(),camera
Color 255,0,0
Text ProjectedX(),ProjectedY(),"["+PickedType\info+"]",1,1
EndIf
Color 255,0,0
Plot 400,400


Flip
UpdateWorld
RenderWorld
Until KeyHit(1)
ClearWorld
EndGraphics
End
;example
mesh=CreateMesh()
brush=CreateBrush(255,255,255)
sur=CreateSurface(mesh,brush)

v1=AddVertex(sur,-10,0,-100)
v2=AddVertex(sur,+10,0,-100)
v3=AddVertex(sur,-10,20,+100)
v4=AddVertex(sur,+10,20,+100)
For count=0 To 3
VertexColor sur,count,255,255,255
Next

AddTriangle sur,v2,v1,v3
AddTriangle sur,v3,v4,v2

AddTriangle sur,v1,v2,v3
AddTriangle sur,v4,v3,v2
UpdateNormals mesh
EntityType mesh,envioren_coll

Dim Function_mirror_pix(0,0)
Function mirror(sx,sy,w,h)
Dim Function_mirror_pix(w,h)
LockBuffer
For y=0 To h
For x=0 To w
Function_mirror_pix(x,y)=ReadPixelFast(x+sx,y+sy)
Next
Next
UnlockBuffer

LockBuffer
For y=0 To h
For x=0 To w
WritePixelFast x+sx,y+sy,Function_mirror_pix(w-x,y)
Next
Next
UnlockBuffer
End Function

Function boden()

tex=CreateTexture(128,128,8)
SetBuffer TextureBuffer(tex)
Color 0,0,100
Rect 0,0,128,128,1
Color 200,0,0
Rect 0,0,128+1,128+1,0
SetBuffer BackBuffer()

plane=CreatePlane()
EntityTexture plane,tex
EntityAlpha plane,0.9
FreeTexture tex
PositionEntity plane,.5,0,.5
EntityType plane,envioren_coll

Return plane
End Function

Function Projectentity(ent,cam)
CameraProject cam,EntityX(ent),EntityY(ent),EntityZ(ent)
End Function

Function YesNo$(bed,yes$=1,no$=0)
If bed
Return yes
Else
Return no
EndIf
End Function

Function CreateConsole()
m=CreateMesh()

cu=CreateCube ()

b=CreateBrush(254,254,254)
;------------------------------------------------------------------
s=CreateSurface(m,b)
; Texture: x,y ;v0-----v1 }
v0=AddVertex(s,-1,3,1 ,0,0); ;| t2 /| }
v1=AddVertex(s,+1,3,1 ,1,0); ;| / | }Alles vorne
v2=AddVertex(s,-1,1,-1 ,0,1); ;| / t3| }
v3=AddVertex(s,+1,1,-1 ,1,1); ;v2-----v3 }

t2=AddTriangle(s,v0,v1,v2)
t3=AddTriangle(s,v2,v1,v3)
;------------------------------------------------------------------
b=CreateBrush(255,255,255)
s=CreateSurface(m,b)
; ; v1
v0=AddVertex(s,1,1,-1); ; / |
v1=AddVertex(s,1,3,1); ;Vorne<--- / t0 |
v2=AddVertex(s,1,1,1); ; / |
; ; v0-----v2
;
; ;v5 ;v1-----v5 }
v3=AddVertex(s,-1,1,-1); ;| \ ;| \ t4| }
v4=AddVertex(s,-1,1,1); ;| t1 \ --->Vorne ;| \ | }Alles hinten
v5=AddVertex(s,-1,3,1); ;| \ ;| t5 \| }
; ;v4------v3 ;v2-----v4 }

t0=AddTriangle(s,v0,v1,v2)
t1=AddTriangle(s,v3,v4,v5)

t2=AddTriangle(s,v4,v1,v5)
t3=AddTriangle(s,v1,v4,v2)
;-------------------------------------------------------------------

AddMesh cu,m

FreeEntity cu

ScaleEntity m,0.5,0.5,0.5
PositionMesh m,0,1,0
EntityType m,envioren_coll
EntityPickMode m,2,1
UpdateNormals m

Return m
End Function

Function AfterLast$(txt$,find$)
While Not Instr(txt,find)=0
txt=Mid(txt,Instr(txt,find)+Len(find))
Wend
Return txt
End Function

Function Between$(s$,b$,e$,fl=1)
f=Instr( s,b,fl )+Len(b)
l=Instr( s,e,f )
r$=Mid( s,f,l-f)
Return r
End Function

Function UpdateObject(c.entity)
If c\indone
todo.do=New do
todo\txt=c\action
todo\self=c\info
EndIf
c\indone=0;stop doing after ... doing
End Function

Function Do(action$,me$="")
RenderWorld
Text 400,300,"Buisy",1,1
Flip
;Variable-Update
Repeat
oaction$=action$;get old action to look for changing
action=Replace(action,"%myself%",me);Kill %myself% and get myself
For countc.entity=Each entity;search...
re$="%indo"+countc\info+"%";...to find and...
action$=Replace(action,re,countc\indo);...to kill other variables
Next
Until oaction=action;Until nothing changed

;Do something
If Instr(action,"Login")=1;login to a game
If net<>0 StopNetGame;Stop old one - if there is one -
game$=between(action," "," ");get game-name
ip$=Afterlast(action," ");get host-ip
net=JoinNetGame(game,ip);do it
If net<>0 res=True
EndIf


If Instr(action,"Host")=1;Host a game
If net<>0 StopNetGame;Stop old one - if there is one -
game$=Afterlast(action," ");get game-name
net=HostNetGame(game);host it!
If net<>0 res=True
EndIf


If Instr(action,"Refresh")=1;Refresh state of all objects
refresh
res=True
EndIf

If Instr(action,"Dome No")=1;Refresh state of all objects
dome=0
res=True
EndIf

If Instr(action,"Dome Yes")=1;Refresh state of all objects
dome=1
res=True
EndIf


If Instr(action,"Load")=1;load an object
name$=between(action," "," ");
fn$=between(action,name+" "," ");
typ$=afterlast(action," ");
c.Entity=New Entity

Select True
Case fn="<AutoSphere>"
c\ent=CreateSphere()
Case fn="<AutoConsole>"
c\ent=CreateConsole()
Case Instr(fn,"<BSP>")=1
c\ent=LoadBSP(afterlast(fn,">"))
Default
c\ent=LoadMesh(fn)
End Select

If c\ent=0
Delete c
res=False
Else
c\brush=CreateBrush(255,255,255)
c\tex=CreateTexture(128,128)
c\info=name
c\input_type=typ$
c\indo=""

res=True
EndIf
EndIf

If Instr(action,"Do")=1;Indone
obj$=between(action," "," ");get the Object
For countc.entity=Each entity;search for the obj
If obj=countc\info Or obj="";if found... or all are selected
countc\indone=1;DO IT!
EndIf; }
Next; }Close
res=True
EndIf; }

If Instr(action,"SetAction")=1;Set the Action of sth
obj$=between(action," "," ");get the Object
newaction$=between(action,Chr(34),Chr(34));get new action
newaction=Replace(newaction,"$","%");get new action
For countc.entity=Each entity;search for the obj
If obj=countc\info;if found...
countc\action=newaction;DO IT!
res=True
EndIf; }
Next; }Close
EndIf; }

If Instr(action,"SetIndo")=1;Set the Indo of sth
obj$=between(action," "," ");get the Object
newindo$=Afterlast(action," ");get new indo
For countc.entity=Each entity;search for the obj
If obj=countc\info;if found...
countc\indo=newindo;DO IT!
res=True
EndIf; }
Next; }Close
EndIf; }

If Instr(action,"Place")=1;Place sth. whereever
obj$=Between(action,"Place "," ");get that sth.
x$=Between(action,"Place "+obj+" "," ");get x-coord
y$=Between(action,"Place "+obj+" "+x+" "," ");get y-coord
z$=AfterLast(action," ");get z-coord

For countc.entity=Each entity;search for that !sth!
If obj=countc\info;if that sth.is curr object
PositionEntity countc\ent,x,y,z;DO IT
res=True
EndIf; }
Next; }Close
EndIf; }

If Instr(action,"Turn")=1;Place sth. whereever
obj$=Between(action,"Turn "," ");get that sth.
x$=Between(action,"Turn "+obj+" "," ");get x-coord
y$=Between(action,"Turn "+obj+" "+x+" "," ");get y-coord
z$=AfterLast(action," ");get z-coord

For countc.entity=Each entity;search for that !sth!
If obj=countc\info;if that sth.is curr object
TurnEntity countc\ent,x,y,z;DO IT
res=True
EndIf; }
Next; }Close
EndIf; }

If Instr(action,"Rotate")=1;Place sth. whereever
obj$=Between(action,"Rotate "," ");get that sth.
x$=Between(action,"Rotate "+obj+" "," ");get x-coord
y$=Between(action,"Rotate "+obj+" "+x+" "," ");get y-coord
z$=AfterLast(action," ");get z-coord

For countc.entity=Each entity;search for that !sth!
If obj=countc\info;if that sth.is curr object
RotateEntity countc\ent,x,y,z;DO IT
res=True
EndIf; }
Next; }Close
EndIf; }

If Instr(action,"If")=1;IMPORTANT: IF!!
strBed$=Between(action,"If"," Then");get the condition
strVar1$=Between(strBed$," "," "); first var
strVar2$=Afterlast(strBed$," "); sercond var
If strVar1=strVar2;equal?
res=Do(Between(action,"Then "," Else"));do the action between Then And else
Else
res=Do(Afterlast(action$,"Else "));do the action with else case
EndIf
EndIf

Return res
End Function

Function LoadWorld(filen$)
file=ReadFile(filen)
If file=0 Return
Repeat
todo.do=New do
todo\txt=ReadLine(file)
todo\self=filen
Until Eof(file)
Return
End Function

Function gfx(divide=1)
Return GraphicsWidth()/divide
End Function

Function gfy(divide=1)
Return GraphicsHeight()/divide
End Function

Function refresh()
For con.entity=Each entity
Select con\input_type
Case "Console"
SetBuffer TextureBuffer(con\tex)
Color 128,128,128
Rect 0,0,128,128
Color 0,0,0
Text 64,20,con\info,1,1
Rect 10,50,108,28,0
Text 64,64,con\indo,1,1

If con\mirr Then mirror(0,0,128,128)
SetBuffer BackBuffer()

BrushTexture con\brush,con\tex
PaintSurface GetSurface(con\ent,1),con\brush
Case "OnOff"
SetBuffer TextureBuffer(con\tex)
If con\indo=1
Color 0,255,0
Else
Color 255,0,0
EndIf
Rect 0,0,128,128
If con\mirr Then mirror(0,0,128,128)
SetBuffer BackBuffer()

BrushTexture con\brush,con\tex
PaintSurface GetSurface(con\ent,1),con\brush
Case "Go"
End Select
Next
End Function

If I make a shorter version the line disappears...

sometimes there is a mystical texture on the plane
(only windowed)

this

AppTitle "NET Me"
Global dome
Local con.Entity,PickedType.Entity
EndGraphics
ClearWorld
Graphics3D 800,600,0,2

doesn't make much sense to me, no need to EndGraphics and ClearWorld before you actually init the Grahics3D. Then, after Grahics3D you should imedialtely set the backbuffer. Not setting a buffer may sometimes result in mysterious pixel garbage.

Setting Graphics3d automatically draws to backbuffer, it's only required after setting 2d graphics modes.

I suspect that the line is too thin to show up all the time + 128+1 is drawing outside the texture!!

tex=CreateTexture(128,128,8)
SetBuffer TextureBuffer(tex)
Color 0,0,100
Rect 0,0,128,128,1
Color 200,0,0
Rect 0,0,128+1,128+1,0
SetBuffer BackBuffer()

Change this to ..

tex=CreateTexture(128,128,8)
SetBuffer TextureBuffer(tex)
Color 0,0,100
Rect 0,0,128,128,1
Color 200,0,0
Rect 0,0,128,128,0
Rect 1,1,126,126,0
SetBuffer BackBuffer()

Anywho, why on earth is this in the bug reports?!

" Setting Graphics3d automatically draws to backbuffer,"

Negative. I'am sure some things are acting bugous if not set. I'm not talking about plain drawing, but some sys internal stuff, like if you use CameraClsMode to prevent overwriting the background. Probaby this is even card specific.

This game is tallented to do mistakes:

1.
without the

EndGraphics 
ClearWorld 

the code won't run in B3D demo...

2.

Rect 0,0,128+1,128+1,0

is a shorter version of

Line 0,0,128,0
Line 0,0,0,128

3.
I needn't Setbuffer Backbuffer because of painting textures is doing this.

4.
The big problem is a white(!!) line whitch appers on MY screen.

PS i hope i made no mistakes while writing

Do you have a screenshot 'cos I've no idea what you're on about?

Stevie

There is a one-pixel line look:
fscom.fs.funpic.de\Untitled.bmp

this white line does not appear on my system.

It doesn't appear on my system either - looks like it's representing the horizon though.



It may well be but in both instances you're still writing outwith the texturebuffer which can give you issues on some graphics cards.

Anyway, it's clear that this isn't a bug so should really be on this forum.

Stevie