; WorldAssetTexture Example
; -------------------------
; Requires Extended mode.

Graphics3D 640,480,0,2
SetBuffer BackBuffer()

camera=CreateCamera()
PositionEntity camera,0,1,-6
light=CreateLight()
RotateEntity light,45,45,0

; Load the asset manifest world in the background
manifest=LoadWorldAsync("../../../samples/worlds/asset-preload.world")
While Not WorldReady(manifest)
    If WorldLoadState(manifest)=WORLD_LOAD_FAILED Then RuntimeError WorldLoadError(manifest)
    Cls
    Text 0,0,"Loading the asset manifest..."
    Flip
Wend

; WorldAssetTexture turns the ready texture asset into an ordinary
; texture reference
texture_asset=FindWorldAsset(manifest,"display-texture")
tex=WorldAssetTexture(texture_asset)

; The reference survives freeing the source manifest world
FreeWorld manifest

; Two spinning crates: plain on the left, asset-textured on the right
plain=CreateCube()
PositionEntity plain,-1.5,1,0
textured=CreateCube()
PositionEntity textured,1.5,1,0
EntityTexture textured,tex

While Not KeyDown(1)

    TurnEntity plain,0,1,0
    TurnEntity textured,0,1,0

    ; Arrow keys move the camera
    If KeyDown(200) Then MoveEntity camera,0,0,0.1
    If KeyDown(208) Then MoveEntity camera,0,0,-0.1
    If KeyDown(203) Then TurnEntity camera,0,1,0
    If KeyDown(205) Then TurnEntity camera,0,-1,0

    RenderWorld

    Text 0,0,"Arrow keys: move camera   Esc: exit"
    Text 0,20,"The right crate wears texture "+tex+" from the 'display-texture' asset"
    Text 0,40,"The reference remains valid after FreeWorld freed the manifest"

    Flip

Wend

FreeTexture tex
End