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local Element = require('uosc_shared/elements/Element')
---@alias Dragging { start_time: number; start_x: number; distance: number; speed_distance: number; start_speed: number; }
---@class Speed : Element
local Speed = class(Element)
---@param props? ElementProps
function Speed:new(props) return Class.new(self, props) --[[@as Speed]] end
function Speed:init(props)
Element.init(self, 'speed', props)
self.width = 0
self.height = 0
self.notches = 10
self.notch_every = 0.1
---@type number
self.notch_spacing = nil
---@type number
self.font_size = nil
---@type Dragging|nil
self.dragging = nil
end
function Speed:on_coordinates()
self.height, self.width = self.by - self.ay, self.bx - self.ax
self.notch_spacing = self.width / (self.notches + 1)
self.font_size = round(self.height * 0.48 * options.font_scale)
end
function Speed:speed_step(speed, up)
if options.speed_step_is_factor then
if up then
return speed * options.speed_step
else
return speed * 1 / options.speed_step
end
else
if up then
return speed + options.speed_step
else
return speed - options.speed_step
end
end
end
function Speed:on_mbtn_left_down()
-- Don't accept clicks while hidden.
if self:get_visibility() <= 0 then return end
self:tween_stop() -- Stop and cleanup possible ongoing animations
self.dragging = {
start_time = mp.get_time(),
start_x = cursor.x,
distance = 0,
speed_distance = 0,
start_speed = state.speed,
}
end
function Speed:on_global_mouse_move()
if not self.dragging then return end
self.dragging.distance = cursor.x - self.dragging.start_x
self.dragging.speed_distance = (-self.dragging.distance / self.notch_spacing * self.notch_every)
local speed_current = state.speed
local speed_drag_current = self.dragging.start_speed + self.dragging.speed_distance
speed_drag_current = clamp(0.01, speed_drag_current, 100)
local drag_dir_up = speed_drag_current > speed_current
local speed_step_next = speed_current
local speed_drag_diff = math.abs(speed_drag_current - speed_current)
while math.abs(speed_step_next - speed_current) < speed_drag_diff do
speed_step_next = self:speed_step(speed_step_next, drag_dir_up)
end
local speed_step_prev = self:speed_step(speed_step_next, not drag_dir_up)
local speed_new = speed_step_prev
local speed_next_diff = math.abs(speed_drag_current - speed_step_next)
local speed_prev_diff = math.abs(speed_drag_current - speed_step_prev)
if speed_next_diff < speed_prev_diff then
speed_new = speed_step_next
end
if speed_new ~= speed_current then
mp.set_property_native('speed', speed_new)
end
end
function Speed:on_mbtn_left_up()
-- Reset speed on short clicks
if self.dragging and math.abs(self.dragging.distance) < 6 and mp.get_time() - self.dragging.start_time < 0.15 then
mp.set_property_native('speed', 1)
end
end
function Speed:on_global_mbtn_left_up()
self.dragging = nil
request_render()
end
function Speed:on_global_mouse_leave()
self.dragging = nil
request_render()
end
function Speed:on_wheel_up() mp.set_property_native('speed', self:speed_step(state.speed, true)) end
function Speed:on_wheel_down() mp.set_property_native('speed', self:speed_step(state.speed, false)) end
function Speed:render()
local visibility = self:get_visibility()
local opacity = self.dragging and 1 or visibility
if opacity <= 0 then return end
local ass = assdraw.ass_new()
-- Background
ass:rect(self.ax, self.ay, self.bx, self.by, {color = bg, radius = 2, opacity = opacity * options.speed_opacity})
-- Coordinates
local ax, ay = self.ax, self.ay
local bx, by = self.bx, ay + self.height
local half_width = (self.width / 2)
local half_x = ax + half_width
-- Notches
local speed_at_center = state.speed
if self.dragging then
speed_at_center = self.dragging.start_speed + self.dragging.speed_distance
speed_at_center = clamp(0.01, speed_at_center, 100)
end
local nearest_notch_speed = round(speed_at_center / self.notch_every) * self.notch_every
local nearest_notch_x = half_x + (((nearest_notch_speed - speed_at_center) / self.notch_every) * self.notch_spacing)
local guide_size = math.floor(self.height / 7.5)
local notch_by = by - guide_size
local notch_ay_big = ay + round(self.font_size * 1.1)
local notch_ay_medium = notch_ay_big + ((notch_by - notch_ay_big) * 0.2)
local notch_ay_small = notch_ay_big + ((notch_by - notch_ay_big) * 0.4)
local from_to_index = math.floor(self.notches / 2)
for i = -from_to_index, from_to_index do
local notch_speed = nearest_notch_speed + (i * self.notch_every)
if notch_speed >= 0 and notch_speed <= 100 then
local notch_x = nearest_notch_x + (i * self.notch_spacing)
local notch_thickness = 1
local notch_ay = notch_ay_small
if (notch_speed % (self.notch_every * 10)) < 0.00000001 then
notch_ay = notch_ay_big
notch_thickness = 1.5
elseif (notch_speed % (self.notch_every * 5)) < 0.00000001 then
notch_ay = notch_ay_medium
end
ass:rect(notch_x - notch_thickness, notch_ay, notch_x + notch_thickness, notch_by, {
color = fg, border = 1, border_color = bg,
opacity = math.min(1.2 - (math.abs((notch_x - ax - half_width) / half_width)), 1) * opacity,
})
end
end
-- Center guide
ass:new_event()
ass:append('{\\rDefault\\an7\\blur0\\bord1\\shad0\\1c&H' .. fg .. '\\3c&H' .. bg .. '}')
ass:opacity(opacity)
ass:pos(0, 0)
ass:draw_start()
ass:move_to(half_x, by - 2 - guide_size)
ass:line_to(half_x + guide_size, by - 2)
ass:line_to(half_x - guide_size, by - 2)
ass:draw_stop()
-- Speed value
local speed_text = (round(state.speed * 100) / 100) .. 'x'
ass:txt(half_x, ay + (notch_ay_big - ay) / 2, 5, speed_text, {
size = self.font_size, color = bgt, border = options.text_border, border_color = bg, opacity = opacity,
})
return ass
end
return Speed
|
