space invaders: get running with new gui system
chris.double
parent
ac3f9406e4
commit
cf48c32b91
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@ -21,13 +21,34 @@
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! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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USING: alien cpu-8080 errors generic io kernel kernel-internals
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lists math namespaces sdl sequences styles threads ;
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lists math namespaces sequences styles threads gadgets gadgets-layouts opengl arrays ;
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IN: space-invaders
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TUPLE: space-invaders port1 port2i port2o port3o port4lo port4hi port5o ;
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TUPLE: space-invaders port1 port2i port2o port3o port4lo port4hi port5o bitmap ;
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SYMBOL: bitmap
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: make-opengl-bitmap ( -- array )
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256 224 3 * * "char" <c-array> ;
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: bitmap-index ( x y -- index )
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224 3 * * swap 3 * + ;
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: set-bitmap-pixel ( color x y array -- )
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>r bitmap-index r> ( color index array -- )
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[ >r >r first r> r> set-uchar-nth ] 3keep
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[ >r >r second r> 1 + r> set-uchar-nth ] 3keep
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>r >r third r> 2 + r> set-uchar-nth ;
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: get-bitmap-pixel ( x y array -- )
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>r bitmap-index r> ( index array -- )
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[ uint-nth ] 2keep
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[ >r 1 + r> uchar-nth ] 2keep
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>r 2 + r> uchar-nth 3array ;
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C: space-invaders ( cpu -- cpu )
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[ <cpu> swap set-delegate ] keep
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[ make-opengl-bitmap swap set-space-invaders-bitmap ] keep
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[ reset ] keep ;
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M: space-invaders read-port ( port cpu -- byte )
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@ -63,6 +84,7 @@ M: space-invaders reset ( cpu -- )
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0 swap set-space-invaders-port5o ;
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: gui-step ( cpu -- )
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! 0 sleep
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[ read-instruction ] keep ( n cpu )
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over get-cycles over inc-cycles
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[ swap instructions dispatch ] keep
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@ -86,61 +108,41 @@ M: space-invaders reset ( cpu -- )
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: gui-frame ( cpu -- )
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dup gui-frame/2 gui-frame/2 ;
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GENERIC: handle-si-event ( cpu event -- quit? )
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TUPLE: invaders-gadget cpu ;
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M: object handle-si-event ( cpu event -- quit? )
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2drop f ;
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C: invaders-gadget dup delegate>gadget ;
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M: quit-event handle-si-event ( cpu event -- quit? )
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2drop t ;
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USE: prettyprint
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: do-draw2 ( gadget -- )
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0 0 glRasterPos2i
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1.0 -1.0 glPixelZoom
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>r 224 256 GL_RGB GL_UNSIGNED_BYTE r>
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invaders-gadget-cpu space-invaders-bitmap glDrawPixels ;
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M: key-down-event handle-si-event ( cpu event -- quit? )
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keyboard-event>binding last car ( cpu key )
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{
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{ [ dup "ESCAPE" = ] [ 2drop t ] }
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{ [ dup "BACKSPACE" = ] [ drop [ space-invaders-port1 1 bitor ] keep set-space-invaders-port1 f ] }
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{ [ dup 1 = ] [ drop [ space-invaders-port1 4 bitor ] keep set-space-invaders-port1 f ] }
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{ [ dup 2 = ] [ drop [ space-invaders-port1 2 bitor ] keep set-space-invaders-port1 f ] }
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{ [ dup "LCTRL" = ] [ drop [ space-invaders-port1 HEX: 10 bitor ] keep set-space-invaders-port1 f ] }
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{ [ dup "LEFT" = ] [ drop [ space-invaders-port1 HEX: 20 bitor ] keep set-space-invaders-port1 f ] }
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{ [ dup "RIGHT" = ] [ drop [ space-invaders-port1 HEX: 40 bitor ] keep set-space-invaders-port1 f ] }
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{ [ t ] [ . drop f ] }
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} cond ;
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M: invaders-gadget draw-gadget* ( gadget -- )
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do-draw2 ;
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M: key-up-event handle-si-event ( cpu event -- quit? )
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keyboard-event>binding last car ( cpu key )
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{
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{ [ dup "ESCAPE" = ] [ 2drop t ] }
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{ [ dup "BACKSPACE" = ] [ drop [ space-invaders-port1 255 1 - bitand ] keep set-space-invaders-port1 f ] }
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{ [ dup 1 = ] [ drop [ space-invaders-port1 255 4 - bitand ] keep set-space-invaders-port1 f ] }
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{ [ dup 2 = ] [ drop [ space-invaders-port1 255 2 - bitand ] keep set-space-invaders-port1 f ] }
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{ [ dup "LCTRL" = ] [ drop [ space-invaders-port1 255 HEX: 10 - bitand ] keep set-space-invaders-port1 f ] }
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{ [ dup "LEFT" = ] [ drop [ space-invaders-port1 255 HEX: 20 - bitand ] keep set-space-invaders-port1 f ] }
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{ [ dup "RIGHT" = ] [ drop [ space-invaders-port1 255 HEX: 40 - bitand ] keep set-space-invaders-port1 f ] }
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{ [ t ] [ . drop f ] }
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} cond ;
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M: invaders-gadget pref-dim* drop { 224 256 0 0 } ;
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: sync-frame ( millis -- millis )
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#! Sleep until the time for the next frame arrives.
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1000 60 / >fixnum + millis - dup 0 > [ sleep ] [ drop ] if millis ;
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: (event-loop) ( millis cpu event -- )
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dup SDL_PollEvent [
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2dup handle-si-event [
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3drop
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] [
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(event-loop)
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] if
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] [
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>r >r sync-frame r> r>
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[ over gui-frame ] with-surface
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(event-loop)
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] if ;
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: (event-loop) ( millis gadget -- )
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>r sync-frame r>
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dup invaders-gadget-cpu gui-frame
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dup relayout-1
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(event-loop) ;
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: event-loop ( cpu event -- )
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millis -rot (event-loop) ;
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: event-loop ( gadget -- )
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[
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dup invaders-gadget-cpu space-invaders-bitmap bitmap set
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millis swap (event-loop)
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] with-scope ;
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: black { 0 0 0 } ;
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: white { 255 255 255 } ;
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: addr>xy ( addr -- x y )
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#! Convert video RAM address to base X Y value
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@ -148,59 +150,34 @@ M: key-up-event handle-si-event ( cpu event -- quit? )
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dup HEX: 1f bitand 8 * 255 swap - ( n y )
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swap -5 shift swap ;
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: within ( n a b - bool )
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#! n >= a and n <= b
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rot tuck swap <= >r swap >= r> and ;
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: plot-bitmap-pixel ( x y color -- )
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-rot bitmap get set-bitmap-pixel ;
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! : color ( x y -- color )
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! #! Return the color to use for the given x/y position.
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! {
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! { [ dup 184 238 within pick 0 223 within and ] [ 2drop green ] }
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! { [ dup 240 247 within pick 16 133 within and ] [ 2drop green ] }
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! { [ dup 247 215 - 247 184 - within pick 0 223 within and ] [ 2drop red ] }
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! { [ t ] [ 2drop white ] }
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! } cond ;
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: black HEX: 0000 ;
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: white HEX: ffff ;
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: plot-pixel ( x y color -- )
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-rot surface get [ surface-pitch * ] keep
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[ surface-format sdl-format-BytesPerPixel rot * + ] keep
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surface-pixels swap set-alien-unsigned-2 ;
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: plot-bits ( x y byte bit -- )
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: plot-bitmap-bits ( x y byte bit -- )
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dup swapd -1 * shift 1 bitand 0 =
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[ ( x y bit -- ) - black ] [ - white ] if
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plot-pixel ;
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plot-bitmap-pixel ;
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! : plot-bits ( x y byte bit -- )
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! dup swapd -1 * shift 1 bitand 0 =
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! [ ( x y bit -- ) - black ] [ - 2dup color ] if
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! rgb plot-pixel ;
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: do-video-update ( value addr cpu -- )
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drop addr>xy rot ( x y value )
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[ 0 plot-bits ] 3keep
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[ 1 plot-bits ] 3keep
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[ 2 plot-bits ] 3keep
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[ 3 plot-bits ] 3keep
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[ 4 plot-bits ] 3keep
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[ 5 plot-bits ] 3keep
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[ 6 plot-bits ] 3keep
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7 plot-bits ;
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: do-bitmap-update ( value addr -- )
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addr>xy rot ( x y value )
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[ 0 plot-bitmap-bits ] 3keep
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[ 1 plot-bitmap-bits ] 3keep
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[ 2 plot-bitmap-bits ] 3keep
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[ 3 plot-bitmap-bits ] 3keep
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[ 4 plot-bitmap-bits ] 3keep
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[ 5 plot-bitmap-bits ] 3keep
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[ 6 plot-bitmap-bits ] 3keep
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7 plot-bitmap-bits ;
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M: space-invaders update-video ( value addr cpu -- )
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over HEX: 2400 >= [
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do-video-update
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drop do-bitmap-update
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] [
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3drop
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] if ;
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: run ( -- )
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224 256 16 SDL_HWSURFACE [
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<space-invaders> "invaders.rom" over load-rom
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"event" <c-object> event-loop
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SDL_Quit
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] with-screen ;
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<invaders-gadget> [ set-invaders-gadget-cpu ] keep
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dup "Space Invaders" open-window
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[ event-loop ] cons in-thread ;
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