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feat: visually distinct a-b loop indicators

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closes #360
This commit is contained in:
tomasklaen
2023-01-31 11:11:49 +01:00
parent 811b2c5f33
commit 51015682f8
1 changed files with 24 additions and 2 deletions
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26
scripts/uosc_shared/elements/Timeline.lua
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@@ -298,8 +298,30 @@ function Timeline:render()
end
end
if state.ab_loop_a and state.ab_loop_a > 0 then draw_chapter(state.ab_loop_a, diamond_radius) end
if state.ab_loop_b and state.ab_loop_b > 0 then draw_chapter(state.ab_loop_b, diamond_radius) end
-- A-B loop indicators
local has_a, has_b = state.ab_loop_a and state.ab_loop_a >= 0, state.ab_loop_b and state.ab_loop_b > 0
local ab_radius = round(math.min(math.max(8, foreground_size * 0.25), foreground_size))
---@param time number
---@param kind 'a'|'b'
local function draw_ab_indicator(time, kind)
local x = t2x(time)
ass:new_event()
ass:append(string.format(
'{\\pos(0,0)\\rDefault\\an7\\blur0\\yshad0.01\\bord%f\\1c&H%s\\3c&H%s\\4c&H%s\\1a&H%X&\\3a&H00&\\4a&H00&}',
diamond_border, fg, bg, bg, opacity_to_alpha(options.timeline_opacity * options.timeline_chapters_opacity)
))
ass:draw_start()
ass:move_to(x, fby - ab_radius)
if kind == 'b' then ass:line_to(x + 3, fby - ab_radius) end
ass:line_to(x + (kind == 'a' and 0 or ab_radius), fby)
ass:line_to(x - (kind == 'b' and 0 or ab_radius), fby)
if kind == 'a' then ass:line_to(x - 3, fby - ab_radius) end
ass:draw_stop()
end
if has_a then draw_ab_indicator(state.ab_loop_a, 'a') end
if has_b then draw_ab_indicator(state.ab_loop_b, 'b') end
end
end