add song timer

README.md

@@ -38,6 +38,26 @@ Does an alright enough job most of the time, but is ignorant of whitespace.
 
 Not that it really matters, you'll be retiming it anyway.
 
+## Song timer
+
+makes song timing into a rhythm game
+so you can vibe while you time
+
+bind to e.g. space
+
+0. tap to initialise (`READY`)
+1. tap to set start (`START`)
+1. tap to set end (`END`) + move to next line (`READY`)
+1. go to 1.
+
+apparently that's what some vhs era groups did for their entire dialogue timing
+
+probably won't work too well for that, but for songs (where they're reasonably on-beat) it's pretty good (for a rough pass), especially if you know the song well.
+
+won't be faster, but will be much more enjoyable
+
+doesn't have depctrl - needs to be fast
+
 ## K-Timing -> Alpha Timing
 
 Makes doing alpha timing significantly easier by getting rid of the part where you do alpha timing.

macros/songtimer.lua

@@ -0,0 +1,38 @@
+script_name = "song timer"
+script_description = "time songs while vibin"
+script_author = "garret"
+script_version = "1"
+
+local function main(sub, sel, act)
+
+	local READY = "READY"
+	local START = "START"
+	local END = "END"
+
+	local pos = aegisub.project_properties()['video_position']
+	local ms = aegisub.ms_from_frame(pos)
+	local newline = sub[act]
+	newline.effect = READY
+	newline.text = ""
+	local nextline = newline
+
+	local line = sub[act]
+	local endline = #sub
+
+	if line.effect == READY then
+		line.start_time = ms
+		line.effect = START
+		sub[act] = line
+	elseif line.effect == START then
+		line.end_time = ms
+		line.effect = END
+		sub[act] = line
+		sub.append(nextline)
+		return {endline+1},endline+1
+	else
+		sub.append(nextline)
+		return {endline+1},endline+1
+	end
+end
+
+aegisub.register_macro(script_name, script_description, main)