89 lines
2.7 KiB
Factor
89 lines
2.7 KiB
Factor
! Copyright (C) 2009 Joe Groff.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors audio.engine combinators concurrency.promises
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destructors game.input game.loop kernel math parser sequences
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threads ui ui.gadgets ui.gadgets.worlds vocabs.parser words.constant ;
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IN: game.worlds
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TUPLE: game-world < world
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game-loop
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audio-engine
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{ tick-interval-nanos integer }
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{ use-game-input? boolean }
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{ use-audio-engine? boolean }
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{ audio-engine-device initial: f }
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{ audio-engine-voice-count initial: 16 }
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{ tick-slice float initial: 0.0 } ;
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GENERIC: begin-game-world ( world -- )
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M: object begin-game-world drop ;
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GENERIC: end-game-world ( world -- )
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M: object end-game-world drop ;
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GENERIC: tick-game-world ( world -- )
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M: object tick-game-world drop ;
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M: game-world tick*
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[ tick-game-world ]
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[ audio-engine>> [ update-audio ] when* ] bi ;
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M: game-world draw*
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swap >>tick-slice relayout-1 yield ;
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<PRIVATE
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: open-game-audio-engine ( game-world -- audio-engine )
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{
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[ audio-engine-device>> ]
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[ audio-engine-voice-count>> ]
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} cleave <audio-engine>
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[ start-audio* ] keep ; inline
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PRIVATE>
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M: game-world begin-world
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dup use-game-input?>> [ open-game-input ] when
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dup use-audio-engine?>> [ dup open-game-audio-engine >>audio-engine ] when
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dup [ tick-interval-nanos>> ] [ ] bi <game-loop>
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[ >>game-loop begin-game-world ] keep start-loop ;
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M: game-world end-world
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dup game-loop>> [ stop-loop ] when*
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[ end-game-world ]
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[ audio-engine>> [ dispose ] when* ]
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[ use-game-input?>> [ close-game-input ] when ] tri ;
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TUPLE: game-attributes < world-attributes
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{ tick-interval-nanos integer }
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{ use-game-input? boolean initial: f }
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{ use-audio-engine? boolean initial: f }
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{ audio-engine-device initial: f }
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{ audio-engine-voice-count initial: 16 } ;
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M: game-world apply-world-attributes
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{
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[ tick-interval-nanos>> >>tick-interval-nanos ]
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[ use-game-input?>> >>use-game-input? ]
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[ use-audio-engine?>> >>use-audio-engine? ]
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[ audio-engine-device>> >>audio-engine-device ]
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[ audio-engine-voice-count>> >>audio-engine-voice-count ]
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[ call-next-method ]
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} cleave ;
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: start-game ( attributes -- game-world )
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f swap open-window* ;
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: wait-game ( attributes -- game-world )
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f swap open-window* dup promise>> ?promise drop ;
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: define-attributes-word ( word tuple -- )
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[ name>> "-attributes" append create-word-in ] dip define-constant ;
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SYNTAX: GAME:
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scan-new-word
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game-attributes parse-window-attributes
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2dup define-attributes-word
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parse-definition
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[ define-window ] [ 2drop current-vocab main<< ] 3bi ;
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