sonic-radiance/sonic-radiance.love/birb/modules/gui/init.lua

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-- modules/gui :: a simple gui system, that manage all overhead elements of the game.
--[[
Copyright © 2021 Kazhnuz
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 Gui = Object:extend()
local ElementList = require "birb.modules.gui.mixins.elements"
local ScreenList = require "birb.modules.gui.mixins.screens"
Gui:implement(ScreenList)
Gui:implement(ElementList)
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local TransformDataStruct = require "birb.structures.tween"
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function Gui:new(scene)
self.scene = scene
self:reset()
end
function Gui:reset()
self:initElements()
self:initScreens()
end
function Gui:update(dt)
for _, element in pairs(self.elements) do
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if (element ~= nil) then
element:updateElement(dt)
end
end
end
-- TWEEN FUNCTIONS
-- Handle tweening
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function Gui:transform(data)
for _, rawTransform in ipairs(data) do
self:transformOne(rawTransform)
end
end
function Gui:transformOne(rawTransform)
local struct = TransformDataStruct[rawTransform[2]]
assert(struct ~= nil, "Structure " .. rawTransform[1] .. " doesn't exists ")
local transform = utils.table.parse(rawTransform, struct, 0)
if transform.type == "tween" then
self:newTween(transform.name, transform.start, transform.duration, transform.target, transform.easing)
elseif transform.type == "movement" then
self:newMovement(transform.name, transform.start, transform.duration, transform.x, transform.y, transform.easing)
elseif transform.type == "switch" then
self:newSwitch(transform.name, transform.start, transform.bools)
end
end
function Gui:newTween(element, start, duration, target, easing)
self.elements[element]:newTween(start, duration, target, easing)
end
function Gui:newMovement(element, start, duration, x, y, easing)
self.elements[element]:newMovement(start, duration, x, y, easing)
end
function Gui:newSwitch(element, start, bools)
self.elements[element]:newSwitch(start, bools)
end
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-- DRAW FUNCTIONS
-- Draw the menu and its content
function Gui:drawTop()
for _, element in ipairs(self:getVisibleElement(true)) do
element:drawElement()
end
end
function Gui:drawBottom()
for _, element in ipairs(self:getVisibleElement(false)) do
element:drawElement()
end
end
return Gui