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' Particle Pinch
'
' Copyright 2005 Ian Cowburn
'
' $Id$
'
Strict
Import noddybox.vector
Import noddybox.bitmapfont
Import noddybox.algorithm
Import "types.bmx"
Const MAGIC:String="PPINCH0.0"
Const MAX_GRAV:Int=10
Const MAX_POINT:Int=1000
Const GRAV_ATTRACT:Int=0
Const GRAV_REPEL:Int=0
Type TLevelException
Field message:String
Function Error(msg:String)
Local o:TLevelException=New TLevelException
o.message=msg
Throw o
End Function
End Type
Type TGravPoint
Field mode:Int
Field friendly:Int
Field x:Float
Field y:Float
Field mass:Float
Method CreateMass:TMass()
Local m:TMass=New TMass
m.mass=mass
If friendly
m.img=GameGFX.collector
m.friend=True
Else
m.img=GameGFX.star
m.friend=False
EndIf
m.x=x
m.y=y
m.inverse=(mode=GRAV_REPEL)
End Method
Function FromStream:TGravPoint(s:TStream)
Local o:TGravPoint=New TGravPoint
o.mode=s.ReadInt()
o.friendly=s.ReadInt()
o.x=s.ReadFloat()
o.y=s.ReadFloat()
o.mass=s.ReadFloat()
Return o
End Function
Method ToStream(s:TStream)
s.WriteInt(mode)
s.WriteInt(friendly)
s.WriteFloat(x)
s.WriteFloat(y)
s.WriteFloat(mass)
End Method
End Type
Type TPointLine
Field x1:Float
Field y1:Float
Field x2:Float
Field y2:Float
Field gap:Int
Field v:TVector
Method New()
v=TVector.Create()
End Method
Method CreatePoints(l:TList)
Local line:TList=DoLine(x1,y1,x2,y2)
Local n:Int=line.Count()
Local i:Int=0
For Local p:TAlgoPoint=EachIn line
If (i Mod gap)=0
Local tp:TPoint=New TPoint
tp.x=p.x
tp.y=p.y
tp.v.x=v.x
tp.v.y=v.y
l.AddLast(tp)
EndIf
i:+1
Next
End Method
Function FromStream:TPointLine(s:TStream)
Local o:TPointLine=New TPointLine
o.x1=s.ReadFloat()
o.y1=s.ReadFloat()
o.x2=s.ReadFloat()
o.y2=s.ReadFloat()
o.gap=s.ReadInt()
o.v.x=s.ReadInt()
o.v.y=s.ReadInt()
Return o
End Function
Method ToStream(s:TStream)
s.WriteFloat(x1)
s.WriteFloat(y1)
s.WriteFloat(x2)
s.WriteFloat(y2)
s.WriteInt(gap)
s.WriteInt(v.x)
s.WriteInt(v.y)
End Method
End Type
Type TLevel
Field name:String
Field maxmass:Int
Field grav:TList
Field point:TList
Field winpercent:Int
Field timer:Int
Field invmass:Int
Method New()
grav=CreateList()
point=CreateList()
name="Unititled"
maxmass=5
winpercent=50
timer=60
invmass=False
End Method
Method CreatePlayfield(masslist:TList, pointlist:TList)
For Local gp:TGravPoint=EachIn grav
masslist.AddLast(gp.CreateMass())
Next
For Local lp:TPointLine=EachIn point
lp.CreatePoints(pointlist)
Next
End Method
Function FromStream:TLevel(s:TStream)
Local o:TLevel=New TLevel
Local c:Int
o.name=s.ReadLine()
o.maxmass=s.ReadInt()
o.winpercent=s.ReadInt()
o.timer=s.ReadInt()
o.invmass=s.ReadInt()
c=s.ReadInt()
For Local f:Int=1 To c
o.grav.AddLast(TGravPoint.FromStream(s))
Next
c=s.ReadInt()
For Local f:Int=1 To c
o.point.AddLast(TPointLine.FromStream(s))
Next
Return o
End Function
Method ToStream(s:TStream)
s.WriteLine(name)
s.WriteInt(maxmass)
s.WriteInt(winpercent)
s.WriteInt(timer)
s.WriteInt(invmass)
s.WriteInt(grav.Count())
For Local o:TGravPoint=EachIn grav
o.ToStream(s)
Next
s.WriteInt(point.Count())
For Local o:TPointLine=EachIn point
o.ToStream(s)
Next
End Method
End Type
Type TLevelSet
Field name:String
Field level:TList
Method New()
level=CreateList()
name="Untitled"
End Method
Function Load:TLevelSet(file:String)
Local s:TStream=ReadStream(file)
If s=Null
TLevelException.Error(file + " couldn't be opened")
EndIf
Local o:TLevelSet=New TLevelSet
Local c:Int
Local m:String=s.ReadLine()
If m<>MAGIC
s.Close()
TLevelException.Error(file + " doesn't appear to be a valid file for this version")
EndIf
o.name=s.ReadLine()
c=s.ReadInt()
For Local f:Int=1 To c
o.level.AddLast(TLevel.FromStream(s))
Next
s.Close()
Return o
End Function
Method Save:Int(file:String)
Local s:TStream=WriteStream(file)
If s=Null
Return False
EndIf
s.WriteLine(MAGIC)
s.WriteLine(name)
s.WriteInt(level.Count())
For Local o:TLevel=EachIn level
o.ToStream(s)
Next
s.Close()
Return True
End Method
End Type
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