New update for BB 1.5 and HBF

Here is the what's new:

Framework)

• TLayer new method HasAttribute()
• TGraphicDriver  new method Clear()
• TGraphicDriver.Available() improved (still need to be improved)
• New TSprite effect seInverse
• In a layer the items now can have a priority
• TLayer.Render() now calls UpdateCollider() (this is mandatory!)
• New method TLayer.FindAttribute()
• TSprite.SetIndex() does not longer calls UpdateCollider(), this should be a manual call (like in layer.render)
• Layers in sprites are associate with a weak reference
• TSimpleSprite.Assign() assign more variables...
• In TSpriteEngine when the cache is clear, the related surfaces are destroyed
• New method TLayer.SetView()
• View in Layer is created by default not calculated all the time
• TBackground now uses horizontal and vertical speed 
• TBackground now has a new control to avoid infinite loops when width = 0
• Button pressed in joystick fixed
• Animations now can read ColorKey
• Layer implement slopes
• ISurface new GetCRC and RetrieveHeights
• New AnimationType atRandom
• Cache moved from TGraphicDriver to TSpriteEngine
• New TSpriteEngine.GetSurface() method
• New TLayer.GetCellsAt() method
• New TSimpleSprite.SetFullBB() method
• TSprite.SetIndex() now uses the engine cache
• New ILayer.GetCellsAt()
• TSpriteEngine now has a default Z to apply to related sprites 
• TSpriteEngine now has a priority, so Z can be added or subtracted
• TLayer set Z to TSpriteEngine when rendering an attached sprite engine 
• The graphics engine now sorts the buffers per supplied Z (this helps a lots when rendering with ColorKeys)
• TRenderBuffer and TBufferAttributes merged into one single class
• In TLayer, Zoom property is spread across all items 
• When a sprite is paused, the timeout is also paused
• Remove GetSolid/SetSolid from sprites 
• -Added the concept of vars (key/value) to sprites, so one can freely create variables with values and then get the values
• Sprites now have the DeleteVar() / FindVar()
• ISprite now declares GetAttachedSprite and SetAngleSpeed
• New GetSpeedFromAngle() in BB.Math 
• TSound
• New class functions in order to retrieve min/max Volume/Panning 
• Sounds now have DSBCAPS_CTRLVOLUME and DSBCAPS_CTRLPAN set by default
• All calls to DirectSound now set the LastCode error

HBF)

• New snow attribute, used in level 12
• New animation when picking coins
• SpawnAttributes() refactored
• Some associations are done via TInterfaceHelper.WeakIntf() in order to avoid weird runtime errors
• CalculateGravity() returns more info
• Blob dies when lands on lava or water
• Game.Clear() now calls more methods
• Added more debug info
• Fixed some weird collisions with hero and tiles at the top of the screen when there is also a tile underneath
• Created a new attribute CHECKPOINT, so is easier to distinguish while coding the map start and the map checkpoints
• New animation when collecting a coin
• Game is able to detect the scroll direction via attributes
• Fixed a 1 frame Layer.Y error
• All maps now have the direction attributes set 
• Spikes now set the sound according to position and distance
• New class TSoundDispatcher, all samples are played via that class
• Joystick support
• Background now has a 0.25 horizontal speed
• Background can be paused
• Sound can be switch off via .ini
• Fixed some weird top collisions 
• Items (moving tiles) are treated as static tiles in order to avoid dead collisions
• OnOff items can be paused
• Minor map changes
• New TSpike with volume and panning
• Hero now has 3 lives
• When all coins are collected, hero gains a new life
• Walkside tapes implemented (ugly sprite)
• Music can be toggle with F1
• Sound can be toggle with F2
• Hero now applies acceleration and friction properly
• Some maps now have slopes
• Hero interact properly with slopes
• Collision left/right now return the X impact point
• Collision lef/right now use the GetCellsAt method
• All Sprite.Z now are set as constants
• Ice is tested with both feet
• Game.Run() cleaned
• Climb ladders is working when the top exit is also a tile (LADDER_TOP)
• New unit Constants
• Added springs (level 12)
• Use of new vars specially for items (solid, platform, spring, tape, etc), they are used as tags
• Some methods renamed for better understanding
• Block items can push us also from left/right
• Creating items and breaking items now are returned immediately as Collision
• Handling moving platforms now takes into account hero's vertical velocity
• ITape removed
• Extra jump has another sample
• New unit star 
• New checkpoint system (much easier)
• New direction ball (experiment)
• Now doors have to be opened with a key
• Fixed again some hero collision issues
• New unit and class checkpoint
• New class TPickup root for items than can be picked up
• New unit and class rays 

Basicly adding new features to the "game" and improving the engine.