235 lines
6.9 KiB
Lua
235 lines
6.9 KiB
Lua
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local self = {}
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local dropdowns = {}
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local dropdownValueCache = {}
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local maxDropdown = 16
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self.openDropdown = 0
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local dropdownScroll = 0
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local dropdownScrollE = 0
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local function skeys(t)
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local k = {}
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for n,v in pairs(t) do table.insert(k, {n, v}) end
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table.sort(k, function(a, b) return a[2].i < b[2].i end)
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local k2 = {}
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for _,v in ipairs(k) do table.insert(k2, v[1]) end
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return k2
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end
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function self.get(index)
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return dropdowns[index]
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end
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function self.selected(index)
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return dropdowns[index].options[dropdowns[index].selected]
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end
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function self.kget(key)
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for _, v in ipairs(dropdowns) do
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if v.name == key then
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return v
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end
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end
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end
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function self.kselected(key)
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for _, v in ipairs(dropdowns) do
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if v.name == key then
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return v.options[v.selected]
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end
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end
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end
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local dropdownId
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local function insertDropdown(tab, f)
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dropdownId = dropdownId + 1
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f.selected = (self.kget(f.name) or dropdownValueCache[f.name] or {selected = 1}).selected
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f.selected = (f.selected - 1) % #f.options + 1
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return table.insert(tab, f)
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end
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function self.createDropdowns()
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local d = {}
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dropdownId = 0
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insertDropdown(d, {
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x = padding,
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y = padding,
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width = 128,
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options = {
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'Preview Ease',
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'Mix Eases',
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'Create Ease'
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},
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name = 'mode'
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})
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if d[dropdownId].selected == 1 then -- preview ease
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insertDropdown(d, {
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x = padding + 128 + padding,
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y = padding,
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width = 128,
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options = skeys(eases),
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name = 'ease1'
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})
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ease = eases[d[dropdownId].options[d[dropdownId].selected]].f
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elseif d[dropdownId].selected == 2 then -- mix eases
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insertDropdown(d, {
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x = padding + 128 + padding,
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y = padding,
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width = 128,
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options = skeys(eases),
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name = 'ease1'
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})
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insertDropdown(d, {
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x = padding + 128 + padding + 128 + padding,
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y = padding,
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width = 128,
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options = skeys(eases),
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name = 'ease2'
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})
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ease = mixEase(eases[d[dropdownId - 1].options[d[dropdownId - 1].selected]].f, eases[d[dropdownId].options[d[dropdownId].selected]].f, mixpoint)
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elseif d[dropdownId].selected == 3 then -- create eases
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insertDropdown(d, {
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x = padding + 128 + padding,
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y = padding,
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width = 128,
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options = skeys(eases),
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name = 'ease1'
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})
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end
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dropdowns = d
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minEase = (self.kselected('ease1') and eases[self.kselected('ease1')].min == -1) or (self.kselected('ease2') and eases[self.kselected('ease2')].min == -1)
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return ease, minEase
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end
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function self.update(dt)
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if self.openDropdown ~= 0 then
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dropdownScroll = math.max(dropdownScroll, -(#self.get(self.openDropdown).options - maxDropdown))
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dropdownScroll = math.min(dropdownScroll, 0)
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dropdownScrollE = mix(dropdownScrollE, dropdownScroll, dt * 10)
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end
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end
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function self.render()
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local mx, my = love.mouse.getPosition()
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for i,v in ipairs(dropdowns) do
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local x, y, w, h = v.x, v.y, v.width, love.graphics.getFont():getHeight() + margin
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love.graphics.setColor(0, 0, 0, 0.3)
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if love.mouse.getX() > x and love.mouse.getX() < x + w and love.mouse.getY() > y and love.mouse.getY() < y + h then
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love.graphics.setColor(0.8, 0.8, 1, love.mouse.isDown(1) and 0.4 or 0.3)
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end
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love.graphics.rectangle('fill', x, y, w, h)
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love.graphics.setColor(1, 1, 1, 1)
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love.graphics.rectangle('line', x, y, w, h)
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love.graphics.print(self.selected(i), x + margin/2, y + margin/2)
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love.graphics.rectangle('line', x + w - h, y, h, h)
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love.graphics.polygon('line', x + w - h/2 + 0.3 * h, y + h/2 - 0.3 * h, x + w - h/2 - 0.3 * h, y + h/2 - 0.3 * h, x + w - h/2, y + h/2 + 0.3 * h)
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if self.openDropdown == i then
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for i,o in ipairs(v.options) do
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local x, y, w, h = x, y + i * h, w, h
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y = y + dropdownScrollE * h
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local gi = y / h
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if gi > maxDropdown or gi < 1 then
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goto continue
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end
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local a = 1 - math.min(math.max((1 - (maxDropdown - gi)) * (1 - (math.abs(dropdownScrollE) /(#v.options - maxDropdown))), 0), 1)
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love.graphics.setColor(0, 0, 0, 0.3 * a)
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if mx > x and mx < x + w and my > y and my < y + h then
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love.graphics.setColor(0.8, 0.8, 1, (love.mouse.isDown(1) and 0.4 or 0.3) * a)
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end
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love.graphics.rectangle('fill', x, y, w, h)
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love.graphics.setColor(1, 1, 1, 0.75 * a)
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love.graphics.rectangle('line', x, y, w, h)
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love.graphics.setColor(1, 1, 1, 1 * a)
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love.graphics.print(v.options[i], x + 2, y + 2)
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::continue::
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end
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-- scrollwheel
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if #v.options > maxDropdown then
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local displayed = maxDropdown / #v.options
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local scroll = math.abs(dropdownScrollE) / (#v.options - maxDropdown)
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local size = margin
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love.graphics.setColor(1, 1, 1, 0.9)
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love.graphics.rectangle('fill', x + w - size, y + h + scroll * (1 - displayed) * (maxDropdown - 1) * h, size, displayed * (maxDropdown - 1) * h)
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end
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end
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end
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end
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function self.mousepressed(x, y, m)
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local clickedDropdown = false
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for i,v in ipairs(dropdowns) do
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local h = love.graphics.getFont():getHeight() + margin
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if self.openDropdown == 0 then
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if x > v.x and x < v.x + v.width and y > v.y and y < v.y + h + margin then
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if m == 1 then
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self.openDropdown = i
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clickedDropdown = true
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dropdownScroll = 0
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dropdownScrollE = 0
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elseif m == 3 then
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dropdowns[i].selected = math.random(1, #dropdowns[i].options)
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self.createDropdowns()
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end
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end
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elseif self.openDropdown == i then
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if x > v.x and x < v.x + v.width and y > v.y + h and y < v.y + h * (math.min(#v.options, maxDropdown) + 1) and m == 1 then
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clickedDropdown = true
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end
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end
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end
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if not clickedDropdown and m == 1 then
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self.openDropdown = 0
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return true
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end
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end
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function self.mousereleased(x, y, m)
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for i,v in ipairs(dropdowns) do
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local h = love.graphics.getFont():getHeight() + margin
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if self.openDropdown == i then
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if x > v.x and x < v.x + v.width and y > v.y + h and y < v.y + h * (math.min(#v.options, maxDropdown) + 1) and m == 1 then
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v.selected = math.floor((y - v.y) / h - dropdownScrollE)
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self.openDropdown = 0
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dropdownValueCache[v.name] = {selected = v.selected}
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self.createDropdowns()
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end
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end
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end
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end
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function self.wheelmoved(x, y)
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if self.openDropdown ~= 0 then
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dropdownScroll = dropdownScroll + y
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else
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local mx, my = love.mouse.getPosition()
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for i,v in ipairs(dropdowns) do
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local h = love.graphics.getFont():getHeight() + margin
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if mx > v.x and mx < v.x + v.width and my > v.y and my < v.y + h + margin then
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dropdowns[i].selected = dropdowns[i].selected - math.floor(y)
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dropdowns[i].selected = (dropdowns[i].selected - 1) % #dropdowns[i].options + 1
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self.createDropdowns()
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end
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end
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end
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end
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return self
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