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added an input lib to deps

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Sugarkrap
2021-05-08 10:40:24 +02:00
parent e05d4812dc
commit 1560bae757
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--[[
Copyright (c) 2018 SSYGEN
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
]]--
local input_path = (...):match('(.-)[^%.]+$') .. '.'
local Input = {}
Input.__index = Input
Input.all_keys = {
" ", "return", "escape", "backspace", "tab", "space", "!", "\"", "#", "$", "&", "'", "(", ")", "*", "+", ",", "-", ".", "/", "0", "1", "2", "3", "4",
"5", "6", "7", "8", "9", ":", ";", "<", "=", ">", "?", "@", "[", "\\", "]", "^", "", "`", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m",
"n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "capslock", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9", "f10", "f11", "f12", "printscreen",
"scrolllock", "pause", "insert", "home", "pageup", "delete", "end", "pagedown", "right", "left", "down", "up", "numlock", "kp/", "kp*", "kp-", "kp+", "kpenter",
"kp0", "kp1", "kp2", "kp3", "kp4", "kp5", "kp6", "kp7", "kp8", "kp9", "kp.", "kp,", "kp=", "application", "power", "f13", "f14", "f15", "f16", "f17", "f18", "f19",
"f20", "f21", "f22", "f23", "f24", "execute", "help", "menu", "select", "stop", "again", "undo", "cut", "copy", "paste", "find", "mute", "volumeup", "volumedown",
"alterase", "sysreq", "cancel", "clear", "prior", "return2", "separator", "out", "oper", "clearagain", "thsousandsseparator", "decimalseparator", "currencyunit",
"currencysubunit", "lctrl", "lshift", "lalt", "lgui", "rctrl", "rshift", "ralt", "rgui", "mode", "audionext", "audioprev", "audiostop", "audioplay", "audiomute",
"mediaselect", "brightnessdown", "brightnessup", "displayswitch", "kbdillumtoggle", "kbdillumdown", "kbdillumup", "eject", "sleep", "mouse1", "mouse2", "mouse3",
"mouse4", "mouse5", "wheelup", "wheeldown", "fdown", "fup", "fleft", "fright", "back", "guide", "start", "leftstick", "rightstick", "l1", "r1", "l2", "r2", "dpup",
"dpdown", "dpleft", "dpright", "leftx", "lefty", "rightx", "righty",
}
function Input.new()
local self = {}
self.prev_state = {}
self.state = {}
self.binds = {}
self.functions = {}
self.repeat_state = {}
self.sequences = {}
-- Gamepads... currently only supports 1 gamepad, adding support for more is not that hard, just lazy.
self.joysticks = love.joystick.getJoysticks()
-- Register callbacks automagically
local callbacks = {'keypressed', 'keyreleased', 'mousepressed', 'mousereleased', 'gamepadpressed', 'gamepadreleased', 'gamepadaxis', 'wheelmoved', 'update'}
local old_functions = {}
local empty_function = function() end
for _, f in ipairs(callbacks) do
old_functions[f] = love[f] or empty_function
love[f] = function(...)
old_functions[f](...)
self[f](self, ...)
end
end
return setmetatable(self, Input)
end
function Input:bind(key, action)
if type(action) == 'function' then self.functions[key] = action; return end
if not self.binds[action] then self.binds[action] = {} end
table.insert(self.binds[action], key)
end
function Input:pressed(action)
if action then
for _, key in ipairs(self.binds[action]) do
if self.state[key] and not self.prev_state[key] then
return true
end
end
else
for _, key in ipairs(Input.all_keys) do
if self.state[key] and not self.prev_state[key] then
if self.functions[key] then
self.functions[key]()
end
end
end
end
end
function Input:released(action)
for _, key in ipairs(self.binds[action]) do
if self.prev_state[key] and not self.state[key] then
return true
end
end
end
function Input:sequence(...)
local sequence = {...}
if #sequence <= 1 then error("Use :pressed instead if you only need to check 1 action") end
if type(sequence[#sequence]) ~= 'string' then error("The last argument must be an action") end
if #sequence % 2 == 0 then error("The number of arguments passed in must be odd") end
local sequence_key = ''
for _, seq in ipairs(sequence) do sequence_key = sequence_key .. tostring(seq) end
if not self.sequences[sequence_key] then
self.sequences[sequence_key] = {sequence = sequence, current_index = 1}
else
if self.sequences[sequence_key].current_index == 1 then
local action = self.sequences[sequence_key].sequence[self.sequences[sequence_key].current_index]
for _, key in ipairs(self.binds[action]) do
if self.state[key] and not self.prev_state[key] then
self.sequences[sequence_key].last_pressed = love.timer.getTime()
self.sequences[sequence_key].current_index = self.sequences[sequence_key].current_index + 1
end
end
else
local delay = self.sequences[sequence_key].sequence[self.sequences[sequence_key].current_index]
local action = self.sequences[sequence_key].sequence[self.sequences[sequence_key].current_index + 1]
if (love.timer.getTime() - self.sequences[sequence_key].last_pressed) > delay then self.sequences[sequence_key] = nil end
for _, key in ipairs(self.binds[action]) do
if self.state[key] and not self.prev_state[key] then
if (love.timer.getTime() - self.sequences[sequence_key].last_pressed) <= delay then
if self.sequences[sequence_key].current_index + 1 == #self.sequences[sequence_key].sequence then
self.sequences[sequence_key] = nil
return true
else
self.sequences[sequence_key].last_pressed = love.timer.getTime()
self.sequences[sequence_key].current_index = self.sequences[sequence_key].current_index + 2
end
else
self.sequences[sequence_key] = nil
end
end
end
end
end
end
local key_to_button = {mouse1 = '1', mouse2 = '2', mouse3 = '3', mouse4 = '4', mouse5 = '5'}
local gamepad_to_button = {fdown = 'a', fup = 'y', fleft = 'x', fright = 'b', back = 'back', guide = 'guide', start = 'start',
leftstick = 'leftstick', rightstick = 'rightstick', l1 = 'leftshoulder', r1 = 'rightshoulder',
dpup = 'dpup', dpdown = 'dpdown', dpleft = 'dpleft', dpright = 'dpright'}
local axis_to_button = {leftx = 'leftx', lefty = 'lefty', rightx = 'rightx', righty = 'righty', l2 = 'triggerleft', r2 = 'triggerright'}
function Input:down(action, interval, delay)
if action and delay and interval then
for _, key in ipairs(self.binds[action]) do
if self.state[key] and not self.prev_state[key] then
self.repeat_state[key] = {pressed_time = love.timer.getTime(), delay = delay, interval = interval, delay_stage = true}
return true
elseif self.repeat_state[key] and self.repeat_state[key].pressed then
return true
end
end
elseif action and interval and not delay then
for _, key in ipairs(self.binds[action]) do
if self.state[key] and not self.prev_state[key] then
self.repeat_state[key] = {pressed_time = love.timer.getTime(), delay = 0, interval = interval, delay_stage = false}
return true
elseif self.repeat_state[key] and self.repeat_state[key].pressed then
return true
end
end
elseif action and not interval and not delay then
for _, key in ipairs(self.binds[action]) do
if (love.keyboard.isDown(key) or love.mouse.isDown(key_to_button[key] or 0)) then
return true
end
-- Supports only 1 gamepad, add more later...
if self.joysticks[1] then
if axis_to_button[key] then
return self.state[key]
elseif gamepad_to_button[key] then
if self.joysticks[1]:isGamepadDown(gamepad_to_button[key]) then
return true
end
end
end
end
end
end
function Input:unbind(key)
for action, keys in pairs(self.binds) do
for i = #keys, 1, -1 do
if key == self.binds[action][i] then
table.remove(self.binds[action], i)
end
end
end
if self.functions[key] then
self.functions[key] = nil
end
end
function Input:unbindAll()
self.binds = {}
self.functions = {}
end
local copy = function(t1)
local out = {}
for k, v in pairs(t1) do out[k] = v end
return out
end
function Input:update()
self:pressed()
self.prev_state = copy(self.state)
self.state['wheelup'] = false
self.state['wheeldown'] = false
for k, v in pairs(self.repeat_state) do
if v then
v.pressed = false
local t = love.timer.getTime() - v.pressed_time
if v.delay_stage then
if t > v.delay then
v.pressed = true
v.pressed_time = love.timer.getTime()
v.delay_stage = false
end
else
if t > v.interval then
v.pressed = true
v.pressed_time = love.timer.getTime()
end
end
end
end
end
function Input:keypressed(key)
self.state[key] = true
end
function Input:keyreleased(key)
self.state[key] = false
self.repeat_state[key] = false
end
local button_to_key = {
[1] = 'mouse1', [2] = 'mouse2', [3] = 'mouse3', [4] = 'mouse4', [5] = 'mouse5',
['l'] = 'mouse1', ['r'] = 'mouse2', ['m'] = 'mouse3', ['x1'] = 'mouse4', ['x2'] = 'mouse5'
}
function Input:mousepressed(x, y, button)
self.state[button_to_key[button]] = true
end
function Input:mousereleased(x, y, button)
self.state[button_to_key[button]] = false
self.repeat_state[button_to_key[button]] = false
end
function Input:wheelmoved(x, y)
if y > 0 then self.state['wheelup'] = true
elseif y < 0 then self.state['wheeldown'] = true end
end
local button_to_gamepad = {a = 'fdown', y = 'fup', x = 'fleft', b = 'fright', back = 'back', guide = 'guide', start = 'start',
leftstick = 'leftstick', rightstick = 'rightstick', leftshoulder = 'l1', rightshoulder = 'r1',
dpup = 'dpup', dpdown = 'dpdown', dpleft = 'dpleft', dpright = 'dpright'}
function Input:gamepadpressed(joystick, button)
self.state[button_to_gamepad[button]] = true
end
function Input:gamepadreleased(joystick, button)
self.state[button_to_gamepad[button]] = false
self.repeat_state[button_to_gamepad[button]] = false
end
local button_to_axis = {leftx = 'leftx', lefty = 'lefty', rightx = 'rightx', righty = 'righty', triggerleft = 'l2', triggerright = 'r2'}
function Input:gamepadaxis(joystick, axis, newvalue)
self.state[button_to_axis[axis]] = newvalue
end
return setmetatable({}, {__call = function(_, ...) return Input.new(...) end})