factor/basis/game/input/input.factor

115 lines
3.1 KiB
Factor

USING: arrays accessors continuations kernel math system
sequences namespaces init vocabs combinators ;
FROM: namespaces => change-global ;
IN: game.input
SYMBOLS: game-input-backend game-input-opened ;
game-input-opened [ 0 ] initialize
HOOK: (open-game-input) game-input-backend ( -- )
HOOK: (close-game-input) game-input-backend ( -- )
HOOK: (reset-game-input) game-input-backend ( -- )
HOOK: get-controllers game-input-backend ( -- sequence )
HOOK: product-string game-input-backend ( controller -- string )
HOOK: product-id game-input-backend ( controller -- id )
HOOK: instance-id game-input-backend ( controller -- id )
HOOK: read-controller game-input-backend ( controller -- controller-state )
HOOK: calibrate-controller game-input-backend ( controller -- )
HOOK: vibrate-controller game-input-backend ( controller motor1 motor2 -- )
HOOK: read-keyboard game-input-backend ( -- keyboard-state )
HOOK: read-mouse game-input-backend ( -- mouse-state )
HOOK: reset-mouse game-input-backend ( -- )
: game-input-opened? ( -- ? )
game-input-opened get zero? not ;
<PRIVATE
M: f (reset-game-input) ;
: reset-game-input ( -- )
(reset-game-input) ;
[ reset-game-input ] "game-input" add-startup-hook
PRIVATE>
ERROR: game-input-not-open ;
: open-game-input ( -- )
game-input-opened? [
(open-game-input)
] unless
game-input-opened [ 1 + ] change-global
reset-mouse ;
: close-game-input ( -- )
game-input-opened [
dup zero? [ game-input-not-open ] when
1 -
] change-global
game-input-opened? [
(close-game-input)
reset-game-input
] unless ;
: with-game-input ( quot -- )
open-game-input [ close-game-input ] [ ] cleanup ; inline
TUPLE: controller handle ;
TUPLE: controller-state x y z rx ry rz slider pov buttons ;
M: controller-state clone
call-next-method dup buttons>> clone >>buttons ;
SYMBOLS:
pov-neutral
pov-up pov-up-right pov-right pov-down-right
pov-down pov-down-left pov-left pov-up-left ;
: find-controller-products ( product-id -- sequence )
get-controllers [ product-id = ] with filter ;
: find-controller-instance ( product-id instance-id -- controller/f )
get-controllers [
[ product-id = ]
[ instance-id = ] bi-curry bi* and
] 2with find nip ;
TUPLE: keyboard-state keys ;
M: keyboard-state clone
call-next-method dup keys>> clone >>keys ;
TUPLE: mouse-state dx dy scroll-dx scroll-dy buttons ;
M: mouse-state clone
call-next-method dup buttons>> clone >>buttons ;
SYMBOLS: pressed released ;
: button-delta ( old? new? -- delta )
{
{ [ 2dup xor not ] [ 2drop f ] }
{ [ dup not ] [ 2drop released ] }
{ [ over not ] [ 2drop pressed ] }
} cond ; inline
: buttons-delta-as ( old-buttons new-buttons exemplar -- delta )
[ button-delta ] swap 2map-as ; inline
: buttons-delta ( old-buttons new-buttons -- delta )
{ } buttons-delta-as ; inline
{
{ [ os windows? ] [ "game.input.dinput" require ] }
{ [ os macosx? ] [ "game.input.iokit" require ] }
{ [ os linux? ] [ "game.input.gtk" require ] }
[ ]
} cond