1 files changed, 68 insertions, 0 deletions
diff --git a/macros/karaoke2alpha.lua b/macros/karaoke2alpha.lua
new file mode 100644
index 0000000..1f34da0
--- /dev/null
+++ b/macros/karaoke2alpha.lua
@@ -0,0 +1,68 @@
+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 = "1.0.1"
+include("utils.lua")
+
+-- logging stuff, for testing
+--[[inspect = require 'inspect' -- luarocks install inspect
+function log(level, msg)
+    if type(level) ~= "number" then -- if no actual level provided
+        msg = level -- set the non-level as the message
+        level = 4 -- set log level - i'm using this for debugging, so 4 is relatively sane imo
+    end
+    if type(msg) == "table" then
+        msg = inspect(msg) -- actually see what's in the table
+    end
+    aegisub.log(level, tostring(msg) .. "\n")
+end]]
+-- i should really put this stuff in a separate file or something but cba
+
+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
+
+aegisub.register_macro(script_name, script_description, main)