1 files changed, 70 insertions, 0 deletions
diff --git a/karaoke2alpha.lua b/karaoke2alpha.lua
new file mode 100644
index 0000000..51ff0c5
--- /dev/null
+++ b/karaoke2alpha.lua
@@ -0,0 +1,70 @@
+script_name = "K-Timing -> Alpha Timing"
+script_description = "makes doing alpha timing significantly easier by getting rid of the part where you do alpha timing."
+script_author = "garret"
+script_version = "1.1.0"
+script_namespace = "garret.karaoke2alpha"
+
+local haveDepCtrl, DependencyControl, depctrl = pcall(require, "l0.DependencyControl")
+local util
+if haveDepCtrl then
+    depctrl = DependencyControl {
+        --feed="TODO",
+        {"aegisub.util"}
+    }
+    util = depctrl:requireModules()
+else
+    util = require 'aegisub.util'
+end
+
+function get_visible(parsed_line, index)
+    local res = ""
+    for i=1,index do -- for every syl up to the current one
+        res = res..parsed_line[i].text -- add to the result
+    end
+    return res
+end
+
+function get_invisible(parsed_line, index)
+    local res = ""
+    for i=index+1,#parsed_line do -- for every syl from the next one to the end
+        res = res..parsed_line[i].text -- add to result
+    end
+    return res
+end
+
+function main(sub, sel)
+    for x=#sel,1,-1 do
+        local line=sub[sel[x]]
+        local parsed = aegisub.parse_karaoke_data(line) -- magic function that gets all the stuff about the karaoke
+        for i=1,#parsed do -- for every syl in the karaoke
+            visible = get_visible(parsed, i)
+            invisible = get_invisible(parsed, i)
+            if invisible ~= "" then -- if there's still invisible stuff left
+                text = visible.."{\\alpha&HFF&}"..invisible -- add an alpha tag and slap the invisible stuff on the end
+            else -- if it's all visible
+                text = visible -- don't need the alpha any more
+            end
+            local syl = parsed[i]
+            local new = util.copy(line)
+            new.text = text -- make a new line for this syl
+            -- set line start time
+            new.start_time = syl.start_time + line.start_time -- just the syl on its own returns the offset from the line
+            -- set line end time
+            if i ~= #parsed then -- if there's still invisible stuff left
+                new.end_time = syl.end_time + line.start_time -- end time is the syl's
+            else
+                new.end_time = line.end_time -- end time is the whole line's (i don't think this actually makes a difference but may as well)
+            end
+            sub.insert(sel[x] + i,new) -- add new lines (+1 line for first syl, +2 for 2nd syl, etc)
+        end
+        line.comment = true -- don't want to see the karaoke any more
+        sub[sel[x]]=line
+    end
+    aegisub.set_undo_point(script_name)
+end
+
+if haveDepCtrl then
+    depctrl:registerMacro(main)
+else
+    aegisub.register_macro(script_name, script_description, main)
+end