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61 lines
1.6 KiB
Lua
61 lines
1.6 KiB
Lua
-- Simple Device driver for Yui, only depends on LÖVE 2D, listens to
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-- keyboard and mouse pointer.
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local Device = {}
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Device.__index = Device
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function Device.new()
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return setmetatable({
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px = nil, py = nil,
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clicking = nil,
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confirm = nil,
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cancel = nil,
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up = nil,
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left = nil,
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down = nil,
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right = nil,
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}, Device)
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end
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function Device:snapshot()
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local snap = {}
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-- Mouse pointer
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local px,py = love.mouse.getPosition()
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local clicking = love.mouse.isDown(1)
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snap.px,snap.py = px,py
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snap.pointing = clicking
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snap.clicked = self.clicking and not clicking
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snap.pointer = px ~= self.px or py ~= self.py or snap.clicked or snap.pointing
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-- Keyboard input
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local confirm = love.keyboard.isDown('return', 'space')
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local cancel = love.keyboard.isDown('escape')
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local up = love.keyboard.isDown('up', 'w')
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local left = love.keyboard.isDown('left', 'a')
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local down = love.keyboard.isDown('down', 's')
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local right = love.keyboard.isDown('right', 'd')
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snap.confirm = self.confirm and not confirm
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snap.cancel = self.cancel and not cancel
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snap.up = self.up and not up
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snap.left = self.left and not left
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snap.down = self.down and not down
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snap.right = self.right and not right
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snap.action = snap.confirm or snap.cancel or
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snap.up or snap.left or snap.down or snap.right
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-- Update old state
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self.px,self.py = px,py
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self.clicking = clicking
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self.confirm,self.cancel = confirm,cancel
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self.left,self.up,self.right,self.down = left,up,right,down
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return snap
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end
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return Device
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