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iokit.factor
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iokit.factor
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USING: accessors alien alien.c-types arrays assocs bit-arrays
cocoa.application cocoa.enumeration cocoa.plists combinators
combinators.short-circuit core-foundation core-foundation.data
core-foundation.run-loop core-foundation.strings destructors
game.input hints iokit iokit.hid kernel math namespaces
sequences vectors ;
IN: game.input.iokit
SINGLETON: iokit-game-input-backend
SYMBOLS: +hid-manager+ +keyboard-state+ +mouse-state+ +controller-states+ ;
iokit-game-input-backend game-input-backend set-global
: make-hid-manager ( -- alien )
f 0 IOHIDManagerCreate ;
: set-hid-manager-matching ( alien matching-seq -- )
>plist IOHIDManagerSetDeviceMatchingMultiple ;
: devices-from-hid-manager ( manager -- vector )
[
IOHIDManagerCopyDevices
[ &CFRelease NSFastEnumeration>vector ] [ f ] if*
] with-destructors ;
CONSTANT: game-devices-matching-seq
{
H{ { "DeviceUsage" 2 } { "DeviceUsagePage" 1 } } ! mouses
H{ { "DeviceUsage" 4 } { "DeviceUsagePage" 1 } } ! joysticks
H{ { "DeviceUsage" 5 } { "DeviceUsagePage" 1 } } ! gamepads
H{ { "DeviceUsage" 6 } { "DeviceUsagePage" 1 } } ! keyboards
H{ { "DeviceUsage" 7 } { "DeviceUsagePage" 1 } } ! keypads
H{ { "DeviceUsage" 8 } { "DeviceUsagePage" 1 } } ! multiaxis controllers
}
CONSTANT: buttons-matching-hash
H{ { "UsagePage" 9 } { "Type" 2 } }
CONSTANT: keys-matching-hash
H{ { "UsagePage" 7 } { "Type" 2 } }
CONSTANT: x-axis-matching-hash
H{ { "UsagePage" 1 } { "Usage" 0x30 } { "Type" 1 } }
CONSTANT: y-axis-matching-hash
H{ { "UsagePage" 1 } { "Usage" 0x31 } { "Type" 1 } }
CONSTANT: z-axis-matching-hash
H{ { "UsagePage" 1 } { "Usage" 0x32 } { "Type" 1 } }
CONSTANT: rx-axis-matching-hash
H{ { "UsagePage" 1 } { "Usage" 0x33 } { "Type" 1 } }
CONSTANT: ry-axis-matching-hash
H{ { "UsagePage" 1 } { "Usage" 0x34 } { "Type" 1 } }
CONSTANT: rz-axis-matching-hash
H{ { "UsagePage" 1 } { "Usage" 0x35 } { "Type" 1 } }
CONSTANT: slider-matching-hash
H{ { "UsagePage" 1 } { "Usage" 0x36 } { "Type" 1 } }
CONSTANT: wheel-matching-hash
H{ { "UsagePage" 1 } { "Usage" 0x38 } { "Type" 1 } }
CONSTANT: hat-switch-matching-hash
H{ { "UsagePage" 1 } { "Usage" 0x39 } { "Type" 1 } }
: device-elements-matching ( device matching-hash -- vector )
[
>plist 0 IOHIDDeviceCopyMatchingElements
[ &CFRelease NSFastEnumeration>vector ] [ f ] if*
] with-destructors ;
: button-count ( device -- button-count )
buttons-matching-hash device-elements-matching length ;
: ?axis ( device hash -- axis/f )
device-elements-matching ?first ;
: ?x-axis ( device -- ? )
x-axis-matching-hash ?axis ;
: ?y-axis ( device -- ? )
y-axis-matching-hash ?axis ;
: ?z-axis ( device -- ? )
z-axis-matching-hash ?axis ;
: ?rx-axis ( device -- ? )
rx-axis-matching-hash ?axis ;
: ?ry-axis ( device -- ? )
ry-axis-matching-hash ?axis ;
: ?rz-axis ( device -- ? )
rz-axis-matching-hash ?axis ;
: ?slider ( device -- ? )
slider-matching-hash ?axis ;
: ?hat-switch ( device -- ? )
hat-switch-matching-hash ?axis ;
: device-property ( device key -- value )
<NSString> IOHIDDeviceGetProperty [ plist> ] [ f ] if* ;
: element-property ( element key -- value )
<NSString> IOHIDElementGetProperty [ plist> ] [ f ] if* ;
: set-element-property ( element key value -- )
[ <NSString> ] [ >plist ] bi* IOHIDElementSetProperty drop ;
: transfer-element-property ( element from-key to-key -- )
[ dupd element-property ] dip swap
[ set-element-property ] [ 2drop ] if* ;
: mouse-device? ( device -- ? )
1 2 IOHIDDeviceConformsTo ;
: controller-device? ( device -- ? )
{
[ 1 4 IOHIDDeviceConformsTo ]
[ 1 5 IOHIDDeviceConformsTo ]
[ 1 8 IOHIDDeviceConformsTo ]
} 1|| ;
: element-usage ( element -- {usage-page,usage} )
[ IOHIDElementGetUsagePage ] [ IOHIDElementGetUsage ] bi
2array ;
: button? ( element -- ? )
IOHIDElementGetUsagePage 9 = ; inline
: keyboard-key? ( element -- ? )
IOHIDElementGetUsagePage 7 = ; inline
: axis? ( element -- ? )
IOHIDElementGetUsagePage 1 = ; inline
: x-axis? ( {usage-page,usage} -- ? )
IOHIDElementGetUsage 0x30 = ; inline
: y-axis? ( {usage-page,usage} -- ? )
IOHIDElementGetUsage 0x31 = ; inline
: z-axis? ( {usage-page,usage} -- ? )
IOHIDElementGetUsage 0x32 = ; inline
: rx-axis? ( {usage-page,usage} -- ? )
IOHIDElementGetUsage 0x33 = ; inline
: ry-axis? ( {usage-page,usage} -- ? )
IOHIDElementGetUsage 0x34 = ; inline
: rz-axis? ( {usage-page,usage} -- ? )
IOHIDElementGetUsage 0x35 = ; inline
: slider? ( {usage-page,usage} -- ? )
IOHIDElementGetUsage 0x36 = ; inline
: wheel? ( {usage-page,usage} -- ? )
IOHIDElementGetUsage 0x38 = ; inline
: hat-switch? ( {usage-page,usage} -- ? )
IOHIDElementGetUsage 0x39 = ; inline
CONSTANT: pov-values
{
pov-up pov-up-right pov-right pov-down-right
pov-down pov-down-left pov-left pov-up-left
pov-neutral
}
: button-value ( value -- f/(0,1] )
IOHIDValueGetIntegerValue dup zero? [ drop f ] when ;
: axis-value ( value -- [-1,1] )
kIOHIDValueScaleTypeCalibrated IOHIDValueGetScaledValue ;
: mouse-axis-value ( value -- n )
IOHIDValueGetIntegerValue ;
: pov-value ( value -- pov-direction )
IOHIDValueGetIntegerValue pov-values ?nth [ pov-neutral ] unless* ;
: record-button ( state hid-value element -- )
[ buttons>> ] [ button-value ] [ IOHIDElementGetUsage 1 - ] tri* rot set-nth ;
: record-controller ( controller-state value -- )
dup IOHIDValueGetElement {
{ [ dup button? ] [ record-button ] }
{ [ dup axis? ] [ {
{ [ dup x-axis? ] [ drop axis-value >>x drop ] }
{ [ dup y-axis? ] [ drop axis-value >>y drop ] }
{ [ dup z-axis? ] [ drop axis-value >>z drop ] }
{ [ dup rx-axis? ] [ drop axis-value >>rx drop ] }
{ [ dup ry-axis? ] [ drop axis-value >>ry drop ] }
{ [ dup rz-axis? ] [ drop axis-value >>rz drop ] }
{ [ dup slider? ] [ drop axis-value >>slider drop ] }
{ [ dup hat-switch? ] [ drop pov-value >>pov drop ] }
[ 3drop ]
} cond ] }
[ 3drop ]
} cond ;
HINTS: record-controller { controller-state alien } ;
: record-keyboard ( keyboard-state value -- )
dup IOHIDValueGetElement dup keyboard-key? [
[ IOHIDValueGetIntegerValue c-bool> ]
[ IOHIDElementGetUsage ] bi*
rot ?set-nth
] [ 3drop ] if ;
HINTS: record-keyboard { bit-array alien } ;
: record-mouse ( mouse-state value -- )
dup IOHIDValueGetElement {
{ [ dup button? ] [ record-button ] }
{ [ dup axis? ] [ {
{ [ dup x-axis? ] [ drop mouse-axis-value [ + ] curry change-dx drop ] }
{ [ dup y-axis? ] [ drop mouse-axis-value [ + ] curry change-dy drop ] }
{ [ dup wheel? ] [ drop mouse-axis-value [ + ] curry change-scroll-dx drop ] }
{ [ dup z-axis? ] [ drop mouse-axis-value [ + ] curry change-scroll-dy drop ] }
[ 3drop ]
} cond ] }
[ 3drop ]
} cond ;
HINTS: record-mouse { mouse-state alien } ;
M: iokit-game-input-backend read-mouse
+mouse-state+ get-global ;
M: iokit-game-input-backend reset-mouse
+mouse-state+ get-global
0 >>dx
0 >>dy
0 >>scroll-dx
0 >>scroll-dy
drop ;
: default-calibrate-saturation ( element -- )
[ kIOHIDElementMinKey kIOHIDElementCalibrationSaturationMinKey transfer-element-property ]
[ kIOHIDElementMaxKey kIOHIDElementCalibrationSaturationMaxKey transfer-element-property ]
bi ;
: default-calibrate-axis ( element -- )
[ kIOHIDElementCalibrationMinKey -1.0 set-element-property ]
[ kIOHIDElementCalibrationMaxKey 1.0 set-element-property ]
[ default-calibrate-saturation ]
tri ;
: default-calibrate-slider ( element -- )
[ kIOHIDElementCalibrationMinKey 0.0 set-element-property ]
[ kIOHIDElementCalibrationMaxKey 1.0 set-element-property ]
[ default-calibrate-saturation ]
tri ;
: (default) ( ? quot -- )
[ f ] if* ; inline
: <device-controller-state> ( device -- controller-state )
{
[ ?x-axis [ default-calibrate-axis 0.0 ] (default) ]
[ ?y-axis [ default-calibrate-axis 0.0 ] (default) ]
[ ?z-axis [ default-calibrate-axis 0.0 ] (default) ]
[ ?rx-axis [ default-calibrate-axis 0.0 ] (default) ]
[ ?ry-axis [ default-calibrate-axis 0.0 ] (default) ]
[ ?rz-axis [ default-calibrate-axis 0.0 ] (default) ]
[ ?slider [ default-calibrate-slider 0.0 ] (default) ]
[ ?hat-switch pov-neutral and ]
[ button-count f <array> ]
} cleave controller-state boa ;
: ?add-mouse-buttons ( device -- )
button-count +mouse-state+ get-global buttons>>
2dup length >
[ set-length ] [ 2drop ] if ;
:: (device-matched-callback) ( context result sender device -- )
{
{ [ device mouse-device? ] [ device ?add-mouse-buttons ] }
{ [ device controller-device? ] [
device <device-controller-state>
device +controller-states+ get-global set-at
] }
[ ]
} cond ;
: device-matched-callback ( -- alien )
[ (device-matched-callback) ] IOHIDDeviceCallback ;
:: (device-removed-callback) ( context result sender device -- )
device +controller-states+ get-global delete-at ;
: device-removed-callback ( -- alien )
[ (device-removed-callback) ] IOHIDDeviceCallback ;
! Lion sends the input callback an IOHIDQueue as the "sender".
! Leopard and Snow Leopard send an IOHIDDevice.
! This function gets the IOHIDDevice regardless of which is received
: get-input-device ( sender -- device )
dup CFGetTypeID {
{ [ dup IOHIDDeviceGetTypeID = ] [ drop ] }
{ [ dup IOHIDQueueGetTypeID = ] [ drop IOHIDQueueGetDevice ] }
[
drop
"input callback doesn't know how to deal with "
swap CF>description append throw
]
} cond ;
:: (device-input-callback) ( context result sender value -- )
sender get-input-device :> device
{
{ [ device mouse-device? ] [ +mouse-state+ get-global value record-mouse ] }
{ [ device controller-device? ] [
device +controller-states+ get-global at value record-controller
] }
[ +keyboard-state+ get-global value record-keyboard ]
} cond ;
: device-input-callback ( -- alien )
[ (device-input-callback) ] IOHIDValueCallback ;
: initialize-variables ( manager -- )
+hid-manager+ set-global
4 <vector> +controller-states+ set-global
0 0 0 0 2 <vector> mouse-state boa
+mouse-state+ set-global
256 <bit-array> +keyboard-state+ set-global ;
M: iokit-game-input-backend (open-game-input)
make-hid-manager {
[ initialize-variables ]
[ device-matched-callback f IOHIDManagerRegisterDeviceMatchingCallback ]
[ device-removed-callback f IOHIDManagerRegisterDeviceRemovalCallback ]
[ device-input-callback f IOHIDManagerRegisterInputValueCallback ]
[ 0 IOHIDManagerOpen mach-error ]
[ game-devices-matching-seq set-hid-manager-matching ]
[
CFRunLoopGetMain CFRunLoopDefaultMode
IOHIDManagerScheduleWithRunLoop
]
} cleave ;
M: iokit-game-input-backend (reset-game-input)
{ +hid-manager+ +keyboard-state+ +mouse-state+ +controller-states+ }
[ f swap set-global ] each ;
M: iokit-game-input-backend (close-game-input)
+hid-manager+ get-global [
+hid-manager+ [
[
CFRunLoopGetMain CFRunLoopDefaultMode
IOHIDManagerUnscheduleFromRunLoop
]
[ 0 IOHIDManagerClose drop ]
[ CFRelease ] tri
f
] change-global
f +keyboard-state+ set-global
f +mouse-state+ set-global
f +controller-states+ set-global
] when ;
M: iokit-game-input-backend get-controllers
+controller-states+ get-global keys [ controller boa ] map ;
: ?glue ( seq subseq sep -- string )
2over subseq-index [ drop nip ] [ glue ] if ;
M: iokit-game-input-backend product-string
handle>>
[ kIOHIDProductKey device-property ]
[ kIOHIDManufacturerKey device-property ] bi " " ?glue ;
M: iokit-game-input-backend product-id
handle>>
[ kIOHIDVendorIDKey device-property ]
[ kIOHIDProductIDKey device-property ] bi 2array ;
M: iokit-game-input-backend instance-id
handle>> kIOHIDLocationIDKey device-property ;
M: iokit-game-input-backend read-controller
handle>> +controller-states+ get-global at clone ;
M: iokit-game-input-backend read-keyboard
+keyboard-state+ get-global clone keyboard-state boa ;
M: iokit-game-input-backend calibrate-controller
drop ;