Browse Source

Event-based button handlers

master
Alexander Yakovlev 5 years ago
parent
commit
b991ee03ce
  1. 17
      src/gamepad.coffee
  2. 90
      src/init.coffee

17
src/gamepad.coffee

@ -3,6 +3,7 @@ class Gamepad
constructor: (pad) ->
@gamepad = pad
@map = @detectMapping(pad.id, navigator.userAgent)
@pressed = @getPressed()
detectMapping: (id, browser) ->
for map in salet.view.gamepadmappings
for device in map.supported
@ -30,7 +31,7 @@ class Gamepad
map = @map.buttons[name]
unless map?
return 0
if map.index?
if map.index? and @gamepad.buttons[map.index]?
return @gamepad.buttons[map.index].pressed
if map.axis?
if map.direction < 0
@ -38,3 +39,17 @@ class Gamepad
else
return @gamepad.axes[map.axis] > 0.75
return false
# Return the name of the pressed button
getPressed: () ->
for buttonname, button of @map.buttons
if (
@gamepad.buttons[button.index]? and
@gamepad.buttons[button.index].pressed
) or (
@gamepad.axes[button.axis] < -0.75 and
button.direction < 0
) or (
@gamepad.axes[button.axis] > 0.75 and
button.direction > 0
)
return buttonname

90
src/init.coffee

@ -1,52 +1,64 @@
# Select the previous choice
selectUp = (event, button) ->
if button != "dpad up" and button != "left stick up"
return
if $(".options li").length == 0
return
$(".options li").removeClass("active")
count = $(".options li").length
window.selectedoption ?= count + 1
window.selectedoption--
if window.selectedoption < 0
window.selectedoption = count
$(".options li:nth-child(#{window.selectedoption}").addClass("active")
# Select the next choice
selectDown = (event, button) ->
if button != "dpad down" and button != "left stick down"
return
if $(".options li").length == 0
return
$(".options li").removeClass("active")
window.selectedoption ?= -1
window.selectedoption++
count = $(".options li").length
if window.selectedoption > count
window.selectedoption = 1
$(".options li:nth-child(#{window.selectedoption})").addClass("active")
selectOption = (event, button) ->
if button != "a"
return
$(".options li.active").click()
# Joystick check, fires events
joystick = () ->
if typeof navigator.getGamepads == "function"
for pad in navigator.getGamepads()
if pad?
temp = new Gamepad(pad)
if temp.pressed?
$(document).trigger("press", temp.pressed)
salet.view.gamepads[pad.id] = temp
$(document).on("viewinit", () ->
# An array containing the connected gamepads (see Gamepad class)
salet.view.gamepads = []
# Connected gamepads (see Gamepad class)
salet.view.gamepads = {}
jQuery.ajax({
dataType: 'json',
url: salet.view.gamepadmappings,
success: (data) ->
salet.view.gamepadmappings = data
window.addEventListener("gamepadconnected", (e) ->
salet.view.gamepads[e.gamepad.index] = new Gamepad(e.gamepad)
salet.view.gamepads[e.gamepad.id] = new Gamepad(e.gamepad)
)
window.addEventListener("gamepaddisconnected", (e) ->
salet.view.gamepads[e.gamepad.index] = undefined
salet.view.gamepads[e.gamepad.id] = undefined
)
if (typeof navigator.getGamepads == "function")
for pad in navigator.getGamepads()
if pad?
salet.view.gamepads[pad.index] = new Gamepad(pad)
setInterval(joystick, 50) # 50 = 1000 / 20 fps
})
)
joystick = () ->
salet.view.gamepads = []
if typeof navigator.getGamepads == "function"
for pad in navigator.getGamepads()
if pad?
salet.view.gamepads[pad.index] = new Gamepad(pad)
gamepad = salet.view.gamepads[0]
if $(".options").length == 0
return
if gamepad.button("dpad up") or
gamepad.button("left stick up")
$(".options li").removeClass("active")
count = $(".options li").length
window.selectedoption ?= count + 1
window.selectedoption--
if window.selectedoption < 0
window.selectedoption = count
$(".options li:nth-child(#{window.selectedoption}").addClass("active")
if gamepad.button("dpad down") or
gamepad.button("left stick down")
$(".options li").removeClass("active")
window.selectedoption ?= -1
window.selectedoption++
count = $(".options li").length
if window.selectedoption > count
window.selectedoption = 1
$(".options li:nth-child(#{window.selectedoption})").addClass("active")
if gamepad.button("a")
$(".options li.active").click()
setInterval(joystick, 100)
$(document).on("press", selectUp)
$(document).on("press", selectDown)
$(document).on("press", selectOption)

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