Transcript
Using Joysticks in GameSalad by Alan Uthoff
What is a gamepad or joystick?
Modern Joysticks •
Follow the HID (Human Interface Device) standard
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Connect over USB or Bluetooth
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Have a unique VenderID and Product ID
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Are made up of analog elements that have a usage page and usage and min, max values
Modern Joysticks APIs •
Allows the developer to think in joysticks instead of devices
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Abstract away the HID
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Have concepts of analogs sticks and buttons
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Map hid device elements to buttons and analog sticks for you
Problems •
Usage table are a suggestion not a rule
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API are platform dependent
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Dead zones are not always built in to the device
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Not all gamepad have all of the same buttons
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Gamepad can pretend to be other gamepads
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Some elements pretend to be other types of elements
Joysticks in GameSalad Makes using joysticks and gamepads a dream
New Device Attributes •
Player attributes
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8 players max
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Vender id and product id only work on mac
Player Attribute •
Joystick attribute give information about the connected joystick
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Joysticks can have the following elements •
Dpad (up, down, left, right)
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X, Y, A, B, Start, Select, L3, R3, L1, R2, L2 and R2
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Right Stick, Left Stick, Left Trigger and Right Trigger
Joystick Attributes •
Connected: whether a the player’s joystick is connected (true is connected)
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Name: the name of the joystick may not be the same on all platforms
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Vender ID: the HID vender id for the joystick
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Product ID: the HID product id for the joystick
Buttons •
Dpad is always four way
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Down is true and release is false
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Not all joysticks have a select, L2/R2 or triggers
Analog Elements •
Have built in dead zone so they always center at Zero
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Go from -1 to 1 •
Analog sticks -1 is up and left, 1 down and right
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Triggers 1 is pressed -1 is released
New Game Attributes •
2 new game attributes
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Key mapping
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Player Types •
Single Player
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Multiplayer
FireTv •
Support Remote and GamePad
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There are two new options in publishing •
Support FireTV Remote
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Back button Quits app
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If you game supports both we demote the remote gamepads are connected
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Menu button is start and the
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Center button on the remote is A
Supported Controllers •
Mac •
XBOX 360 Wireless and Wired gamepads
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XBOX One gamepad (USB only)
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PS3 Dualshock 3
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PS4 Dualshock 4
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Steelseries Free
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Steelseries 3GC (Red Mode recommended)
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Logitech F310
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Logitech Dual Action
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PS2 Dualshock 2 (with the HVG@ USB adapter only)
Game Elements Recoil
Android •
Any controller made for Android
Things to watch out for •
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Do not use button presses to change scenes directly
Requires Android 4.1 or higher
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Keymapping are not automatic
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When submitting to Fire TV, here are a few things to look for: •
Do not have UI buttons on screen if they can not be highlighted and selected. e.g. Pause and mute buttons in mid game.
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Have some kind of highlight for your buttons to put them in focus.
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for more info on amazon submission rules: https://developer.amazon.com/ public/solutions/devices/fire-tv/docs/controller-behavior-guidelines
