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- Committer: Josh C
- Date: 2013-03-17 21:23:13 UTC
- Revision ID: josh@9ix.org-20130317212313-gsmwb0yt9hxdjj68
hack to not fall through floor on long first tick, monkey patch to turn
off zoetrope physics (reliably, without depending on patched zoetrope)
off zoetrope physics (reliably, without depending on patched zoetrope)
- files removed:
- animation.lua
- files modified:
- build.sh
added
removed
zoetrope/core/gamepad.lua
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--
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--
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--
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-- <Sprite>
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Gamepad = Sprite:extend
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{
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-- Property: number
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-- The index of the gamepad, starting at 1.
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-- Property: name
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-- The name of the gamepad, e.g. "XBox Controller".
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-- Property: numAxes
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-- The number of available axes, e.g. for analog controls.
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-- Property: numBalls
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-- The number of available balls.
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-- Property: numButtons
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-- The number of available buttons.
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-- Property: numHats
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-- The number of available hats, e.g. digital movement controls.
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-- Property: axes
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-- The state of all analog axes on the gamepad, indexed by number.
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-- Values range from -1 to 1, where 0 is completely neutral.
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-- Property: balls
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-- The amount of motion by a each ball on the gamepad, indexed by number.
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-- Not sure what the range of values is here.
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-- Property: hats
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-- The state of each hat on the gamepad, indexed by number. Each one has
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-- one of these values: https://love2d.org/wiki/JoystickConstant
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-- Property: deadZone
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-- Any motion by an analog control (from 0 to 1) less than this value is
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-- ignored when simulating digital controls.
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deadZone = 0.1,
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-- private property: _thisFrame
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-- what keys are pressed this frame
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-- if you are interested in this, use allPressed() instead
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_thisFrame = {},
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-- private property: _lastFrame
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-- what buttons were pressed last frame
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_lastFrame = {},
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new = function (self, obj)
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obj = self:extend(obj)
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assert(type(obj.number) == 'number', 'must set a gamepad number')
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obj.axes = {}
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obj.balls = {}
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obj.hats = {}
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if obj.number <= love.joystick.getNumJoysticks() then
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if not love.joystick.isOpen(obj.number) then love.joystick.open(obj.number) end
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obj.name = love.joystick.getName(obj.number)
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obj.numAxes = love.joystick.getNumAxes(obj.number)
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obj.numBalls = love.joystick.getNumBalls(obj.number)
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obj.numButtons = love.joystick.getNumButtons(obj.number)
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obj.numHats = love.joystick.getNumHats(obj.number)
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-- set initial values for axes and balls
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-- hat values are strings so nil comparisons are safe
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for i = 1, obj.numAxes do
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obj.axes[i] = 0
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end
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for i = 1, obj.numBalls do
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obj.balls[i] = { x = 0, y = 0 }
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end
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else
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obj.name = 'NO DEVICE CONNECTED'
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obj.numAxes = 0
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obj.numBalls = 0
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obj.numButtons = 0
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obj.numHats = 0
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end
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love.joystickpressed = Gamepad._dispatchPress
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love.joystickreleased = Gamepad._dispatchRelease
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if obj.onNew then obj:onNew() end
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return obj
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end,
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-- Method: pressed
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-- Are *any* of the buttons passed held down this frame?
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--
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-- Arguments:
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-- button numbers passed as individual arguments
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--
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-- Returns:
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-- boolean
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pressed = function (self, ...)
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local buttons = {...}
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for _, value in pairs(buttons) do
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if self._thisFrame[value] then
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return true
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end
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end
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return false
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end,
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-- Method: justPressed
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-- Are *any* of the buttons passed pressed for the first time this frame?
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--
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-- Arguments:
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-- button numbers passed as individual arguments
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--
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-- Returns:
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-- boolean
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justPressed = function (self, ...)
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local buttons = {...}
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for _, value in pairs(buttons) do
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if self._thisFrame[value] and not self._lastFrame[value] then
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return true
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end
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end
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return false
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end,
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-- Method: released
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-- Are *all* of the buttons passed not held down this frame?
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--
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-- Arguments:
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-- button numbers passed as individual arguments
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--
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-- Returns:
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-- boolean
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released = function (self, ...)
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local buttons = {...}
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for _, value in pairs(buttons) do
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if self._thisFrame[value] then
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return false
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end
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end
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return true
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end,
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-- Method: justReleased
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-- Are *any* of the buttons passed released after being held last frame?
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--
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-- Arguments:
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-- button numbers passed as individual arguments
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--
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-- Returns:
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-- boolean
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justReleased = function (self, ...)
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local buttons = {...}
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for _, value in pairs(buttons) do
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if self._lastFrame[value] and not self._thisFrame[value] then
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return true
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end
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end
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return false
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end,
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-- Method: allPressed
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-- Returns all buttons currently pressed this frame.
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--
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-- Arguments:
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-- none
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--
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-- Returns:
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-- string button descriptions; if nothing is pressed, nil
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allPressed = function (self)
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local result = {}
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for key, value in pairs(self._thisFrame) do
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if value then table.insert(result, key) end
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end
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return unpack(result)
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end,
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-- Method: allJustPressed
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-- Returns all buttons just pressed this frame.
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--
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-- Arguments:
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-- none
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--
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-- Returns:
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-- string button descriptions; if nothing is just pressed, nil
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allJustPressed = function (self)
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local result = {}
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for key, value in pairs(self._thisFrame) do
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if value and not self._lastFrame[key] then table.insert(result, key) end
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end
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return unpack(result)
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end,
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-- Method: allJustReleased
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-- Returns all buttons just released this frame.
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--
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-- Arguments:
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-- none
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--
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-- Returns:
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-- string button descriptions; if nothing is just pressed, nil
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allJustReleased = function (self)
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local result = {}
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for key, value in pairs(self._thisFrame) do
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if not value and self._lastFrame[key] then table.insert(result, key) end
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end
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return unpack(result)
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end,
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buttonPressed = function (self, button)
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self._thisFrame[button] = true
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end,
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buttonReleased = function (self, button)
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self._thisFrame[button] = false
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end,
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endFrame = function (self, elapsed)
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-- move button values to the previous frame
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for key, value in pairs(self._thisFrame) do
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self._lastFrame[key] = value
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end
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-- set values
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for i = 1, self.numAxes do
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self.axes[i] = love.joystick.getAxis(self.number, i)
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end
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for i = 1, self.numBalls do
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self.balls[i].x, self.balls[i].y = love.joystick.getBall(self.number, i)
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end
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for i = 1, self.numHats do
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self.hats[i] = love.joystick.getHat(self.number, i)
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end
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-- simulate digital controls
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self._thisFrame['up'] = false
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self._thisFrame['down'] = false
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self._thisFrame['left'] = false
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self._thisFrame['right'] = false
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if self.numHats > 0 then
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local hat = self.hats[1]
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if hat == 'u' then
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self._thisFrame['up'] = true
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elseif hat == 'd' then
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self._thisFrame['down'] = true
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elseif hat == 'l' then
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self._thisFrame['left'] = true
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elseif hat == 'r' then
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self._thisFrame['right'] = true
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elseif hat == 'lu' then
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self._thisFrame['up'] = true
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self._thisFrame['left'] = true
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elseif hat == 'ru' then
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self._thisFrame['up'] = true
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self._thisFrame['right'] = true
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elseif hat == 'ld' then
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self._thisFrame['down'] = true
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self._thisFrame['left'] = true
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elseif hat == 'rd' then
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self._thisFrame['down'] = true
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self._thisFrame['right'] = true
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end
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end
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if self.numAxes > 1 then
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local xAxis = self.axes[1]
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local yAxis = self.axes[2]
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if math.abs(xAxis) > self.deadZone then
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if xAxis < 0 then
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self._thisFrame['left'] = true
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else
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self._thisFrame['right'] = true
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end
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end
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if math.abs(yAxis) > self.deadZone then
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if yAxis < 0 then
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self._thisFrame['up'] = true
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else
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self._thisFrame['down'] = true
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end
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end
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end
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Sprite.endFrame(self)
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end,
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-- private method: _dispatchPress
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-- receives a Love joystickpressed callback and hands it off
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-- to the appropriate gamepad.
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_dispatchPress = function (number, button)
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if the.gamepads[number] then
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the.gamepads[number]:buttonPressed(button)
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end
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end,
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-- private method: _dispatchRelease
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-- receives a Love joystickreleased callback and hands it off
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-- to the appropriate gamepad.
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_dispatchRelease = function (number, button)
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if the.gamepads[number] then
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the.gamepads[number]:buttonReleased(button)
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end
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end
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}
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