1 USING: ui ui.gadgets sequences kernel arrays math colors
2 ui.render math.vectors accessors fry ui.gadgets.packs game-input
3 ui.gadgets.labels ui.gadgets.borders alarms
4 calendar locals strings ui.gadgets.buttons
5 combinators math.parser assocs threads ;
8 CONSTANT: SIZE { 151 151 }
9 CONSTANT: INDICATOR-SIZE { 4 4 }
10 : FREQUENCY ( -- f ) 30 recip seconds ;
12 TUPLE: axis-gadget < gadget indicator z-indicator pov ;
14 M: axis-gadget pref-dim* drop SIZE ;
16 : (rect-polygon) ( lo hi -- polygon )
18 [ [ second ] [ first ] bi* swap 2array ]
19 [ [ first ] [ second ] bi* 2array ] 2bi swapd 4array ;
21 : indicator-polygon ( -- polygon )
22 { 0 0 } INDICATOR-SIZE (rect-polygon) ;
24 CONSTANT: pov-polygons
26 { pov-neutral { { 70 75 } { 75 70 } { 80 75 } { 75 80 } } }
27 { pov-up { { 70 65 } { 75 60 } { 80 65 } } }
28 { pov-up-right { { 83 60 } { 90 60 } { 90 67 } } }
29 { pov-right { { 85 70 } { 90 75 } { 85 80 } } }
30 { pov-down-right { { 90 83 } { 90 90 } { 83 90 } } }
31 { pov-down { { 70 85 } { 75 90 } { 80 85 } } }
32 { pov-down-left { { 67 90 } { 60 90 } { 60 83 } } }
33 { pov-left { { 65 70 } { 60 75 } { 65 80 } } }
34 { pov-up-left { { 67 60 } { 60 60 } { 60 67 } } }
37 : <indicator-gadget> ( color -- indicator )
38 indicator-polygon <polygon-gadget> ;
40 : (>loc) ( axisloc -- windowloc )
41 0.5 v*n { 0.5 0.5 } v+ SIZE v* [ >integer ] map
42 INDICATOR-SIZE 2 v/n v- ;
44 : (xy>loc) ( x y -- xyloc )
46 : (z>loc) ( z -- zloc )
47 0.0 swap 2array (>loc) ;
49 : (xyz>loc) ( x y z -- xyloc zloc )
50 [ [ 0.0 ] unless* ] tri@
51 [ (xy>loc) ] dip (z>loc) ;
53 : move-axis ( gadget x y z -- )
55 [ indicator>> (>>loc) ]
56 [ z-indicator>> (>>loc) ] 2bi* ;
58 : move-pov ( gadget pov -- )
59 swap pov>> [ interior>> -rot = [ gray ] [ white ] if >>color drop ]
62 :: add-pov-gadget ( gadget direction polygon -- gadget direction gadget )
63 gadget white polygon <polygon-gadget> [ add-gadget ] keep
66 : add-pov-gadgets ( gadget -- gadget )
67 pov-polygons [ add-pov-gadget ] assoc-map >>pov ;
69 : <axis-gadget> ( -- gadget )
72 black <indicator-gadget> [ >>z-indicator ] [ add-gadget ] bi
73 red <indicator-gadget> [ >>indicator ] [ add-gadget ] bi
74 dup [ 0.0 0.0 0.0 move-axis ] [ f move-pov ] bi ;
76 TUPLE: joystick-demo-gadget < pack axis raxis controller buttons alarm ;
78 : add-gadget-with-border ( parent child -- parent )
79 { 2 2 } <border> gray <solid> >>boundary add-gadget ;
81 : add-controller-label ( gadget controller -- gadget )
82 [ >>controller ] [ product-string <label> add-gadget ] bi ;
84 : add-axis-gadget ( gadget shelf -- gadget shelf )
85 <axis-gadget> tuck [ >>axis ] [ add-gadget-with-border ] 2bi* ;
87 : add-raxis-gadget ( gadget shelf -- gadget shelf )
88 <axis-gadget> tuck [ >>raxis ] [ add-gadget-with-border ] 2bi* ;
90 :: (add-button-gadgets) ( gadget shelf -- )
91 gadget controller>> read-controller buttons>> length [
92 number>string [ ] <bevel-button>
93 shelf over add-gadget drop
94 ] map gadget (>>buttons) ;
96 : add-button-gadgets ( gadget shelf -- gadget shelf )
97 [ (add-button-gadgets) ] 2keep ;
99 : <joystick-demo-gadget> ( controller -- gadget )
100 joystick-demo-gadget new
101 { 0 1 } >>orientation
102 swap add-controller-label
103 <shelf> add-axis-gadget add-raxis-gadget add-gadget
104 <shelf> add-button-gadgets add-gadget ;
106 : update-buttons ( buttons button-states -- )
107 [ >>selected? drop ] 2each ;
109 : kill-update-axes ( gadget -- )
110 gray <solid> >>interior
111 [ [ cancel-alarm ] when* f ] change-alarm
114 : (update-axes) ( gadget controller-state -- )
116 [ [ axis>> ] [ [ x>> ] [ y>> ] [ z>> ] tri ] bi* move-axis ]
117 [ [ raxis>> ] [ [ rx>> ] [ ry>> ] [ rz>> ] tri ] bi* move-axis ]
118 [ [ axis>> ] [ pov>> ] bi* move-pov ]
119 [ [ buttons>> ] [ buttons>> ] bi* update-buttons ]
123 : update-axes ( gadget -- )
124 dup controller>> read-controller
125 [ (update-axes) ] [ kill-update-axes ] if* ;
127 M: joystick-demo-gadget graft*
128 dup '[ _ update-axes ] FREQUENCY every >>alarm
131 M: joystick-demo-gadget ungraft*
132 alarm>> [ cancel-alarm ] when* ;
134 : joystick-window ( controller -- )
135 [ <joystick-demo-gadget> ] [ product-string ] bi
138 : joystick-demo ( -- )
141 0.1 seconds sleep ! It might take a moment to find devices...
142 get-controllers [ joystick-window ] each