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Reposition.e
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1997-12-06
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/* Name: Reposition
** Author: Paul Manias
** Copyright: DreamWorld Productions (c) 1996-1997. Freely distributable.
**
** This example has a mobile 320x256 screen, which is attached to the
** mouse. To exit the example, press LMB.
*/
MODULE 'dpkernel','dpkernel/dpkernel','graphics/pictures','files/files'
MODULE 'screens','system/register','system/modules','input/joydata'
MODULE 'graphics/screens','graphics/blitter'
PROC main()
DEF screen :PTR TO screen,
joy :PTR TO joydata,
pic :PTR TO picture,
scrmodule :PTR TO module,
picfile :filename
picfile := [ ID_FILENAME, 'GMS:demos/data/PIC.Green']:filename
IF dpkbase := OpenLibrary('GMS:libs/dpkernel.library',0)
IF (scrmodule := Init([TAGS_MODULE,NIL,
MODA_NUMBER, MOD_SCREENS,
MODA_TABLETYPE, JMP_AMIGAE,
TAGEND], NIL))
scrbase := scrmodule.modbase
IF (pic := Load(picfile,ID_PICTURE))
screen := Get(ID_SCREEN)
CopyStructure(pic,screen)
screen.memptr1 := pic.bitmap.data
screen.attrib := CENTRE
IF (screen := Init(screen,NIL))
IF (joy := Init(Get(ID_JOYDATA),NIL))
Display(screen)
REPEAT
Query(joy)
screen.xoffset := screen.xoffset + joy.xchange
screen.yoffset := screen.yoffset + joy.ychange
WaitAVBL()
RemakeScreen(screen)
UNTIL !(joy.buttons AND JD_LMB)
Free(joy)
ENDIF
Free(screen)
ENDIF
Free(pic)
ENDIF
Free(scrmodule)
ENDIF
CloseDPK()
ENDIF
ENDPROC