1 USING: cocoa cocoa.plists core-foundation iokit iokit.hid
2 kernel cocoa.enumeration destructors math.parser cocoa.application
3 sequences locals combinators.short-circuit threads
4 namespaces assocs vectors arrays combinators
5 core-foundation.run-loop accessors sequences.private
6 alien.c-types math parser game-input ;
9 SINGLETON: iokit-game-input-backend
11 iokit-game-input-backend game-input-backend set-global
13 : hid-manager-matching ( matching-seq -- alien )
14 f 0 IOHIDManagerCreate
15 [ swap >plist IOHIDManagerSetDeviceMatchingMultiple ]
18 : devices-from-hid-manager ( manager -- vector )
20 IOHIDManagerCopyDevices
21 [ &CFRelease NSFastEnumeration>vector ] [ f ] if*
24 : game-devices-matching-seq
26 H{ { "DeviceUsage" 4 } { "DeviceUsagePage" 1 } } ! joysticks
27 H{ { "DeviceUsage" 5 } { "DeviceUsagePage" 1 } } ! gamepads
28 H{ { "DeviceUsage" 6 } { "DeviceUsagePage" 1 } } ! keyboards
31 : buttons-matching-hash
32 H{ { "UsagePage" 9 } { "Type" 2 } } ; inline
34 H{ { "UsagePage" 7 } { "Type" 2 } } ; inline
35 : x-axis-matching-hash
36 H{ { "UsagePage" 1 } { "Usage" HEX: 30 } { "Type" 1 } } ; inline
37 : y-axis-matching-hash
38 H{ { "UsagePage" 1 } { "Usage" HEX: 31 } { "Type" 1 } } ; inline
39 : z-axis-matching-hash
40 H{ { "UsagePage" 1 } { "Usage" HEX: 32 } { "Type" 1 } } ; inline
41 : rx-axis-matching-hash
42 H{ { "UsagePage" 1 } { "Usage" HEX: 33 } { "Type" 1 } } ; inline
43 : ry-axis-matching-hash
44 H{ { "UsagePage" 1 } { "Usage" HEX: 34 } { "Type" 1 } } ; inline
45 : rz-axis-matching-hash
46 H{ { "UsagePage" 1 } { "Usage" HEX: 35 } { "Type" 1 } } ; inline
47 : slider-matching-hash
48 H{ { "UsagePage" 1 } { "Usage" HEX: 36 } { "Type" 1 } } ; inline
49 : hat-switch-matching-hash
50 H{ { "UsagePage" 1 } { "Usage" HEX: 39 } { "Type" 1 } } ; inline
52 : device-elements-matching ( device matching-hash -- vector )
54 >plist 0 IOHIDDeviceCopyMatchingElements
55 [ &CFRelease NSFastEnumeration>vector ] [ f ] if*
58 : button-count ( device -- button-count )
59 buttons-matching-hash device-elements-matching length ;
61 : ?axis ( device hash -- axis/f )
62 device-elements-matching [ f ] [ first ] if-empty ;
64 : ?x-axis ( device -- ? )
65 x-axis-matching-hash ?axis ;
66 : ?y-axis ( device -- ? )
67 y-axis-matching-hash ?axis ;
68 : ?z-axis ( device -- ? )
69 z-axis-matching-hash ?axis ;
70 : ?rx-axis ( device -- ? )
71 rx-axis-matching-hash ?axis ;
72 : ?ry-axis ( device -- ? )
73 ry-axis-matching-hash ?axis ;
74 : ?rz-axis ( device -- ? )
75 rz-axis-matching-hash ?axis ;
76 : ?slider ( device -- ? )
77 slider-matching-hash ?axis ;
78 : ?hat-switch ( device -- ? )
79 hat-switch-matching-hash ?axis ;
81 : hid-manager-matching-game-devices ( -- alien )
82 game-devices-matching-seq hid-manager-matching ;
84 : device-property ( device key -- value )
85 <NSString> IOHIDDeviceGetProperty plist> ;
86 : element-property ( element key -- value )
87 <NSString> IOHIDElementGetProperty plist> ;
88 : set-element-property ( element key value -- )
89 [ <NSString> ] [ >plist ] bi* IOHIDElementSetProperty drop ;
90 : transfer-element-property ( element from-key to-key -- )
91 [ dupd element-property ] dip swap set-element-property ;
93 : controller-device? ( device -- ? )
95 [ 1 4 IOHIDDeviceConformsTo ]
96 [ 1 5 IOHIDDeviceConformsTo ]
99 : element-usage ( element -- {usage-page,usage} )
100 [ IOHIDElementGetUsagePage ] [ IOHIDElementGetUsage ] bi
103 : button? ( {usage-page,usage} -- ? )
105 : keyboard-key? ( {usage-page,usage} -- ? )
107 : x-axis? ( {usage-page,usage} -- ? )
108 { 1 HEX: 30 } = ; inline
109 : y-axis? ( {usage-page,usage} -- ? )
110 { 1 HEX: 31 } = ; inline
111 : z-axis? ( {usage-page,usage} -- ? )
112 { 1 HEX: 32 } = ; inline
113 : rx-axis? ( {usage-page,usage} -- ? )
114 { 1 HEX: 33 } = ; inline
115 : ry-axis? ( {usage-page,usage} -- ? )
116 { 1 HEX: 34 } = ; inline
117 : rz-axis? ( {usage-page,usage} -- ? )
118 { 1 HEX: 35 } = ; inline
119 : slider? ( {usage-page,usage} -- ? )
120 { 1 HEX: 36 } = ; inline
121 : hat-switch? ( {usage-page,usage} -- ? )
122 { 1 HEX: 39 } = ; inline
126 pov-up pov-up-right pov-right pov-down-right
127 pov-down pov-down-left pov-left pov-up-left
131 : button-value ( value -- f/(0,1] )
132 IOHIDValueGetIntegerValue dup zero? [ drop f ] when ;
133 : axis-value ( value -- [-1,1] )
134 kIOHIDValueScaleTypeCalibrated IOHIDValueGetScaledValue ;
135 : pov-value ( value -- pov-direction )
136 IOHIDValueGetIntegerValue pov-values ?nth [ pov-neutral ] unless* ;
138 : record-controller ( controller-state value -- )
139 dup IOHIDValueGetElement element-usage {
140 { [ dup button? ] [ [ button-value ] [ second 1- ] bi* rot buttons>> set-nth ] }
141 { [ dup x-axis? ] [ drop axis-value >>x drop ] }
142 { [ dup y-axis? ] [ drop axis-value >>y drop ] }
143 { [ dup z-axis? ] [ drop axis-value >>z drop ] }
144 { [ dup rx-axis? ] [ drop axis-value >>rx drop ] }
145 { [ dup ry-axis? ] [ drop axis-value >>ry drop ] }
146 { [ dup rz-axis? ] [ drop axis-value >>rz drop ] }
147 { [ dup slider? ] [ drop axis-value >>slider drop ] }
148 { [ dup hat-switch? ] [ drop pov-value >>pov drop ] }
152 SYMBOLS: +hid-manager+ +keyboard-state+ +controller-states+ ;
154 : ?set-nth ( value nth seq -- )
155 2dup bounds-check? [ set-nth-unsafe ] [ 3drop ] if ;
157 : record-keyboard ( value -- )
158 dup IOHIDValueGetElement element-usage keyboard-key? [
159 [ IOHIDValueGetIntegerValue c-bool> ]
160 [ IOHIDValueGetElement IOHIDElementGetUsage ] bi
161 +keyboard-state+ get ?set-nth
164 : default-calibrate-saturation ( element -- )
165 [ kIOHIDElementMinKey kIOHIDElementCalibrationSaturationMinKey transfer-element-property ]
166 [ kIOHIDElementMaxKey kIOHIDElementCalibrationSaturationMaxKey transfer-element-property ]
169 : default-calibrate-axis ( element -- )
170 [ kIOHIDElementCalibrationMinKey -1.0 set-element-property ]
171 [ kIOHIDElementCalibrationMaxKey 1.0 set-element-property ]
172 [ default-calibrate-saturation ]
175 : default-calibrate-slider ( element -- )
176 [ kIOHIDElementCalibrationMinKey 0.0 set-element-property ]
177 [ kIOHIDElementCalibrationMaxKey 1.0 set-element-property ]
178 [ default-calibrate-saturation ]
181 : (default) ( ? quot -- )
184 : <device-controller-state> ( device -- controller-state )
186 [ ?x-axis [ default-calibrate-axis 0.0 ] (default) ]
187 [ ?y-axis [ default-calibrate-axis 0.0 ] (default) ]
188 [ ?z-axis [ default-calibrate-axis 0.0 ] (default) ]
189 [ ?rx-axis [ default-calibrate-axis 0.0 ] (default) ]
190 [ ?ry-axis [ default-calibrate-axis 0.0 ] (default) ]
191 [ ?rz-axis [ default-calibrate-axis 0.0 ] (default) ]
192 [ ?slider [ default-calibrate-slider 0.0 ] (default) ]
193 [ ?hat-switch pov-neutral and ]
194 [ button-count f <array> ]
195 } cleave controller-state boa ;
197 : device-matched-callback ( -- alien )
198 [| context result sender device |
199 device controller-device? [
200 device <device-controller-state>
201 device +controller-states+ get set-at
203 ] IOHIDDeviceCallback ;
205 : device-removed-callback ( -- alien )
206 [| context result sender device |
207 device +controller-states+ get delete-at
208 ] IOHIDDeviceCallback ;
210 : device-input-callback ( -- alien )
211 [| context result sender value |
212 sender controller-device?
213 [ sender +controller-states+ get at value record-controller ]
214 [ value record-keyboard ]
216 ] IOHIDValueCallback ;
218 : initialize-variables ( manager -- )
219 +hid-manager+ set-global
220 4 <vector> +controller-states+ set-global
221 256 f <array> +keyboard-state+ set-global ;
223 M: iokit-game-input-backend (open-game-input)
224 hid-manager-matching-game-devices {
225 [ initialize-variables ]
226 [ device-matched-callback f IOHIDManagerRegisterDeviceMatchingCallback ]
227 [ device-removed-callback f IOHIDManagerRegisterDeviceRemovalCallback ]
228 [ device-input-callback f IOHIDManagerRegisterInputValueCallback ]
229 [ 0 IOHIDManagerOpen mach-error ]
231 CFRunLoopGetMain CFRunLoopDefaultMode
232 IOHIDManagerScheduleWithRunLoop
236 M: iokit-game-input-backend (reset-game-input)
237 { +hid-manager+ +keyboard-state+ +controller-states+ }
238 [ f swap set-global ] each ;
240 M: iokit-game-input-backend (close-game-input)
241 +hid-manager+ get-global [
242 +hid-manager+ global [
244 CFRunLoopGetMain CFRunLoopDefaultMode
245 IOHIDManagerUnscheduleFromRunLoop
247 [ 0 IOHIDManagerClose drop ]
251 f +keyboard-state+ set-global
252 f +controller-states+ set-global
255 M: iokit-game-input-backend get-controllers ( -- sequence )
256 +controller-states+ get keys [ controller boa ] map ;
258 : ?join ( pre post sep -- string )
259 2over start [ swap 2nip ] [ [ 2array ] dip join ] if ;
261 M: iokit-game-input-backend product-string ( controller -- string )
263 [ kIOHIDManufacturerKey device-property ]
264 [ kIOHIDProductKey device-property ] bi " " ?join ;
265 M: iokit-game-input-backend product-id ( controller -- integer )
267 [ kIOHIDVendorIDKey device-property ]
268 [ kIOHIDProductIDKey device-property ] bi 2array ;
269 M: iokit-game-input-backend instance-id ( controller -- integer )
270 handle>> kIOHIDLocationIDKey device-property ;
272 M: iokit-game-input-backend read-controller ( controller -- controller-state )
273 handle>> +controller-states+ get at clone ;
275 M: iokit-game-input-backend read-keyboard ( -- keyboard-state )
276 +keyboard-state+ get clone keyboard-state boa ;
278 M: iokit-game-input-backend calibrate-controller ( controller -- )