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259 lines
6.2 KiB
259 lines
6.2 KiB
2 years ago
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/****************************************************************
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** **
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** Name: AsyncFX **
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** Author: Andreas Falkenhahn **
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** Version: 1.2 **
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** Date: 17.01.19 **
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** Interpreter: Hollywood 8.0 **
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** Licence: Sample program for Hollywood **
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** Function: Demonstrates asynchronous transition effects **
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** **
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** History: **
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** **
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** 1.2: (07.01.19) **
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** **
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** - uses the new @DIRECTORY preprocessor command now which **
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** will automatically link all pics when compiling **
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** **
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** 1.1: (29.03.13) **
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** **
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** - added BeginRefresh()/EndRefresh() section for optimized **
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** drawing on supported systems **
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** **
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** 1.0: (17.09.08) **
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** **
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** - initial release **
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** **
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****************************************************************/
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/*
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** Important! Check if the used Hollywood version is at least
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** version 8.0!
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*/
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@VERSION 8,0
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@DIRECTORY 1, "pics"
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@SPRITE 1, "buttons.png", {Frames = 2, Width = 137, Height = 24, Transparency = $ff0000}
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/*
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** Initial display dimensions
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*/
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@DISPLAY {Width = 800, Height = 600}
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/* check if a picture is already on screen */
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Function p_CheckPic(x)
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For Local k = 0 To 15
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If p[k].brush = x Then Return(True)
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Next
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Return(False)
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EndFunction
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/* select a random effect */
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Function p_ChooseFX(use_globfx)
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Local found = False
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Local type
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; do we want a global effect or a new effect for every object?
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If (use_globfx = True) And (bstate = 2) Then Return(globfx)
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While found = False
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type = GetRandomFX(True)
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; no #SCROLL effects please! They'd corrupt the display because we aren't using layers!
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Switch type
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Case #SCROLLWEST
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Case #SCROLLEAST
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Case #SCROLLNORTH
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Case #SCROLLSOUTH
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Case #SCROLLNORTHEAST
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Case #SCROLLSOUTHEAST
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Case #SCROLLSOUTHWEST
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Case #SCROLLNORTHWEST
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Default
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found = True
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EndSwitch
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Wend
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Return(type)
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EndFunction
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/* start new transition effect */
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Function p_TOFunc(msg)
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Local t
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Local k = msg.userdata
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; choose a new global effect if we're in static mode!
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If (k = 0) And (bstate = 2) Then globfx = p_ChooseFX(False)
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; randomly choose a new picture but it must not be on screen!
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Repeat
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t = Rnd(num)
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Until p_CheckPic(t) = False
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; remember picture
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p[k].brush = t
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; go!
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p[k].drawfunc = DisplayBrushFX(p[k].brush + 1, p[k].x * 200, p[k].y * 150, {Async = True, Type = p_ChooseFX(True), Parameter = #WHITE})
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p[k].active = True
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EndFunction
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Function p_SyncedRestart()
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For Local k = 0 To 15 Do p_TOFunc({userdata = k})
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EndFunction
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/* our main loop */
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Function p_MainLoop()
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BeginRefresh
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For Local k = 0 To 15
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If p[k].active = True
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If AsyncDrawFrame(p[k].drawfunc) = True
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p[k].active = False
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If bstate = 2
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; We're in static mode --> make sure our FX are absolutely sync'ed
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If k = 15 Then SetTimeout(Nil, p_SyncedRestart, 1000)
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p[k].cleartimeout = False
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Else
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; FX has finished!
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; --> wait 1 second and then display next pic
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; note that we have to use SetTimeout() because we are in a callback and must
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; not call functions that block the system (e.g. do not use Wait() in a callback!)
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p[k].timeout = SetTimeout(Nil, p_TOFunc, 1000, k)
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p[k].cleartimeout = True
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EndIf
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EndIf
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EndIf
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Next
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EndRefresh
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EndFunction
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/* start all effects */
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Function p_Start16FX()
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; start from new!
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For Local k = 0 To 15
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p[k].drawfunc = DisplayBrushFX(p[k].brush + 1, p[k].x * 200, p[k].y * 150, {Async = True, Type = p_ChooseFX(True), Parameter = #WHITE})
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p[k].active = True
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Next
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EndFunction
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/* scan files and start the transition effects */
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Function p_Init()
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Local t
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; count files
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num = CountDirectoryEntries(1)
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; load brushes
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For Local k = 1 to num Do LoadBrush(k, GetDirectoryEntry(1, PadNum(k, 2) .. ".jpg"))
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p = {}
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For Local k = 0 To 15 Do p[k] = {brush = -1}
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; generate initial picture layout
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For Local k = 0 To 15
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Repeat
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t = Rnd(num)
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Until p_CheckPic(t) = False
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p[k].brush = t
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Next
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Local k = 0
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; generate x & y coordinates for our FX
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For Local y = 0 To 3
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For Local x = 0 To 3
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p[k].x = x
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p[k].y = y
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k = k + 1
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Next
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Next
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; start all FX at once
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p_Start16FX()
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EndFunction
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/* this function gets called when the user presses a button */
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Function p_EventFunc(msg)
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If msg.id = bstate Then Return
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bstate = msg.id
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; update button state
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DisplaySprite(1, 654, 570, bstate)
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; cancel all async drawings or clear timeouts
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For Local k = 0 To 15
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If p[k].active = True
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CancelAsyncDraw(p[k].drawfunc)
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p[k].active = False
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Else
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If p[k].cleartimeout = True Then ClearTimeout(p[k].timeout)
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EndIf
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Next
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; clear screen
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Box(0, 0, 800, 600, #BLACK)
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; choose a new global effect if we're in static mode
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If bstate = 2 Then globfx = p_ChooseFX(False)
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p_Start16FX()
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EndFunction
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p_Init()
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SetFillStyle(#FILLCOLOR)
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SetInterval(Nil, p_MainLoop, 1000 \ 50) ; 50 fps
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bstate = 1
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MakeButton(1, #SIMPLEBUTTON, 654, 570, 64, 24, {OnMouseUp = p_EventFunc})
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MakeButton(2, #SIMPLEBUTTON, 727, 570, 64, 24, {OnMouseUp = p_EventFunc})
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DisplaySprite(1, 654, 570)
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EscapeQuit(True)
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Repeat
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WaitEvent
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Forever
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