; FindWorldAsset Example
; ----------------------
; Requires Extended mode.

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

camera=CreateCamera()
PositionEntity camera,0,1,-5
light=CreateLight()
RotateEntity light,45,45,0

; Load the asset manifest world in the background
; (the path is relative to this example's directory)
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

; FindWorldAsset resolves a stable authored ID to an asset handle;
; an ID that is not in the manifest returns 0
texture_asset=FindWorldAsset(manifest,"display-texture")
missing_asset=FindWorldAsset(manifest,"no-such-id")

; Put the found asset to work: texture a spinning crate
tex=WorldAssetTexture(texture_asset)
crate=CreateCube()
PositionEntity crate,0,1,0
EntityTexture crate,tex

While Not KeyDown(1)

    TurnEntity crate,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,"FindWorldAsset(manifest,'display-texture') = "+texture_asset
    Text 0,40,"FindWorldAsset(manifest,'no-such-id') = "+missing_asset+" (absent IDs return 0)"

    Flip

Wend

FreeTexture tex
FreeWorld manifest
End