mirror of https://github.com/odrling/Aegisub
Kara-templater seems to be feature-complete by current specs, but it'll need lots and lots of testing!
Originally committed to SVN as r1220.
This commit is contained in:
Niels Martin Hansen
parent
ac662477b9
commit
9b00ecf2ed
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@ -34,6 +34,7 @@
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script_name = "Karaoke Templater"
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script_description = "Macro and export filter to apply karaoke effects using the template language"
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script_author = "Niels Martin Hansen"
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script_version = "0.9 beta 1"
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include("karaskel.lua")
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@ -130,7 +131,9 @@ function parse_template(meta, styles, line, templates, mods)
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keeptags = false,
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inline_fx = nil,
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multi = false,
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isline = false
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isline = false,
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perchar = false,
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noblank = false
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}
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local inserted = false
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@ -174,11 +177,7 @@ function parse_template(meta, styles, line, templates, mods)
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elseif m == "syl" and not template.isline then
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table.insert(templates.syl, template)
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inserted = true
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elseif m == "char" and not template.isline then
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table.insert(templates.char, template)
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inserted = true
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elseif m == "furi" and not template.isline then
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aegisub.debug.out(3, "Warning, furi template class used but furigana support isn't implemented yet\n\n")
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table.insert(templates.furi, template)
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inserted = true
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elseif (m == "pre-line" or m == "line") and inserted then
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@ -202,6 +201,10 @@ function parse_template(meta, styles, line, templates, mods)
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template.keeptags = true
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elseif m == "multi" then
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template.multi = true
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elseif m == "char" then
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template.perchar = true
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elseif m == "noblank" then
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template.noblank = true
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elseif m == "fx" then
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local fx, t = string.headtail(rest)
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if fx ~= "" then
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@ -279,6 +282,37 @@ function apply_templates(meta, styles, subs, templates)
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end
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end
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function set_ctx_syl(varctx, line, syl)
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varctx.sstart = syl.start_time
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varctx.send = syl.end_time
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varctx.sdur = syl.duration
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varctx.skdur = syl.duration / 10
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varctx.smid = syl.start_time + syl.duration / 2
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varctx["start"] = varctx.sstart
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varctx["end"] = varctx.send
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varctx.dur = varctx.sdur
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varctx.kdur = varctx.skdur
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varctx.mid = varctx.smid
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varctx.si = syl.i
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varctx.i = varctx.si
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varctx.sleft = math.floor(syl.left+0.5)
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varctx.scenter = math.floor(syl.center+0.5)
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varctx.sright = math.floor(syl.right+0.5)
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if line.halign == "left" then
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varctx.sx = math.floor(line.left + syl.left + 0.5)
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elseif line.halign == "center" then
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varctx.sx = math.floor(line.left + syl.center + 0.5)
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elseif line.halign == "right" then
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varctx.sx = math.floor(line.left + syl.right + 0.5)
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end
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varctx.sy = math.floor(line.y+0.5)
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varctx.left = varctx.sleft
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varctx.center = varctx.scenter
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varctx.right = varctx.sright
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varctx.x = varctx.sx
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varctx.y = varctx.sy
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end
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function apply_line(meta, styles, subs, line, templates, tenv)
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-- Tell whether any templates were applied to this line, needed to know whether the original line should be removed from input
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local applied_templates = false
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@ -304,7 +338,7 @@ function apply_line(meta, styles, subs, line, templates, tenv)
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lright = math.floor(line.left + line.width + 0.5),
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lx = math.floor(line.x+0.5),
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ly = math.floor(line.y+0.5)
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-- TODO: more positioning vars
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-- TODO? more positioning vars
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}
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-- Specific for whole-line processing
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@ -319,37 +353,6 @@ function apply_line(meta, styles, subs, line, templates, tenv)
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varctx.x = varctx.lx
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varctx.y = varctx.ly
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local function set_ctx_syl(syl)
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varctx.sstart = syl.start_time
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varctx.send = syl.end_time
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varctx.sdur = syl.duration
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varctx.skdur = syl.duration / 10
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varctx.smid = syl.start_time + syl.duration / 2
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varctx["start"] = varctx.sstart
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varctx["end"] = varctx.send
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varctx.dur = varctx.sdur
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varctx.kdur = varctx.skdur
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varctx.mid = varctx.smid
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varctx.si = syl.i
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varctx.i = varctx.si
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varctx.sleft = math.floor(syl.left+0.5)
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varctx.scenter = math.floor(syl.center+0.5)
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varctx.sright = math.floor(syl.right+0.5)
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if line.halign == "left" then
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varctx.sx = math.floor(line.left + syl.left + 0.5)
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elseif line.halign == "center" then
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varctx.sx = math.floor(line.left + syl.center + 0.5)
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elseif line.halign == "right" then
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varctx.sx = math.floor(line.left + syl.right + 0.5)
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end
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varctx.sy = math.floor(line.y+0.5)
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varctx.left = varctx.sleft
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varctx.center = varctx.scenter
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varctx.right = varctx.sright
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varctx.x = varctx.sx
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varctx.y = varctx.sy
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end
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tenv.orgline = line
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tenv.line = nil
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tenv.syl = nil
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@ -375,7 +378,7 @@ function apply_line(meta, styles, subs, line, templates, tenv)
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for i = 1, line.kara.n do
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local syl = line.kara[i]
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tenv.syl = syl
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set_ctx_syl(syl)
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set_ctx_syl(varctx, line, syl)
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newline.text = newline.text .. run_text_template(t.t, tenv, varctx)
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if t.addtext then
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if t.keeptags then
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@ -399,66 +402,16 @@ function apply_line(meta, styles, subs, line, templates, tenv)
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for i = 0, line.kara.n do
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local syl = line.kara[i]
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-- Apply syllable templates
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for t in matching_templates(templates.syl, line) do
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tenv.syl = syl
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set_ctx_syl(syl)
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if not t.inline_fx or t.inline_fx == syl.inline_fx then
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if t.code then
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if t.multi then
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-- TODO: apply for each highlight
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else
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run_code_template(t, tenv)
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end
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elseif t.multi then
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applied_templates = true
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for hl = 1, syl.highlights.n do
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local hldata = syl.highlights[hl]
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local hlsyl = table.copy(syl)
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hlsyl.start_time = hldata.start_time
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hlsyl.end_time = hldata.end_time
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hlsyl.duration = hldata.duration
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tenv.basesyl = syl
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tenv.syl = hlsyl
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set_ctx_syl(hlsyl)
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for j = 1, t.loops do
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tenv.j = j
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local newline = table.copy(line)
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tenv.line = newline
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newline.text = run_text_template(t.t, tenv, varctx)
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if t.addtext then
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newline.text = newline.text .. syl.text_stripped
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end
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newline.effect = "fx"
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subs.append(newline)
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end
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end
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else
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applied_templates = true
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for j = 1, t.loops do
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tenv.j = j
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local newline = table.copy(line)
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tenv.line = newline
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newline.text = run_text_template(t.t, tenv, varctx)
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if t.addtext then
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newline.text = newline.text .. syl.text_stripped
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end
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newline.effect = "fx"
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subs.append(newline)
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end
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end
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end
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end
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-- Apply character templates
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-- TODO
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applied_templates = applied_templates or
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apply_syllable_templates(syl, line, templates.syl, tenv, varctx, subs)
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end
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-- Loop over furigana
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for i = 1, line.furi.n do
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-- TODO
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local furi = line.furi[i]
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applied_templates = applied_templates or
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apply_syllable_templates(furi, line, templates.furi, tenv, varctx, subs)
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end
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return applied_templates
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@ -469,6 +422,7 @@ function run_code_template(template, tenv)
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if not f then
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aegisub.debug.out(2, "Failed to parse Lua code: %s\nCode that failed to parse: %s\n\n", err, template.code)
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else
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local pcall = pcall
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setfenv(f, tenv)
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for j = 1, template.loops do
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tenv.j = j
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@ -528,6 +482,113 @@ function run_text_template(template, tenv, varctx)
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return res
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end
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function apply_syllable_templates(syl, line, templates, tenv, varctx, subs)
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local applied_templates = false
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-- Loop over all templates matching the line style
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for t in matching_templates(templates.syl, line) do
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tenv.syl = syl
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set_ctx_syl(varctx, line, syl)
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applied_templates = applied_templates or
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apply_one_syllable_template(syl, line, t, tenv, varctx, subs, false, false)
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end
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return applied_templates
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end
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function is_syl_blank(syl)
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if syl.duration <= 0 then
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return true
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end
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-- try to remove common spacing characters
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local t = syl.text_stripped
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if t:len() <= 0 then return true end
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t = t:gsub("[ \t\n\r]", "") -- regular ASCII space characters
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t = t:gsub(" ", "") -- fullwidth space
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return t:len() <= 0
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end
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function apply_one_syllable_template(syl, line, template, tenv, varctx, subs, skip_perchar, skip_multi)
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local t = template
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-- Check for right inline_fx
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if t.inline_fx and t.inline_fx ~= syl.inline_fx then
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return false
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end
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if t.noblank and is_syl_blank(syl) then
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return false
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end
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-- Recurse to per-char if required
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if not skip_perchar and t.perchar then
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local charsyl = table.copy(syl)
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tenv.basesyl = tenv.basesyl or syl
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tenv.syl = charsyl
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set_ctx_syl(varctx, line, charsyl)
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local left, width = syl.left, 0
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for c in unicode.chars(syl.text_stripped) do
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charsyl.text = c
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charsyl.text_stripped = c
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charsyl.text_spacestripped = c
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charsyl.prespace, charsyl.postspace = "", "" -- for whatever anyone might use these for
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width = aegisub.text_extents(syl.style, c)
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charsyl.left = left
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charsyl.center = left + width/2
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charsyl.right = left + width
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charsyl.prespacewidth, charsyl.postspacewidth = 0, 0 -- whatever...
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left = left + width
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apply_one_syllable_template(charsyl, line, t, tenv, varctx, subs, true, false)
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end
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return true
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end
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-- Recurse to multi-hl if required
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if not skip_multi and t.multi then
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local hlsyl = table.copy(syl)
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tenv.basesyl = tenv.basesyl or syl
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tenv.syl = hlsyl
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set_ctx_syl(varctx, line, hlsyl)
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for hl = 1, syl.highlights.n do
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local hldata = syl.highlights[hl]
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hlsyl.start_time = hldata.start_time
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hlsyl.end_time = hldata.end_time
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hlsyl.duration = hldata.duration
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apply_one_syllable_template(hlsyl, line, t, tenv, varctx, subs, true, true)
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end
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return true
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end
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-- Regular processing
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if not t.inline_fx or t.inline_fx == syl.inline_fx then
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if t.code then
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run_code_template(t, tenv)
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else
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for j = 1, t.loops do
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tenv.j = j
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local newline = table.copy(line)
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tenv.line = newline
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newline.text = run_text_template(t.t, tenv, varctx)
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if t.addtext then
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newline.text = newline.text .. syl.text_stripped
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end
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newline.effect = "fx"
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subs.append(newline)
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end
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end
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end
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return true
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end
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-- Main function to do the templating
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function filter_apply_templates(subs, config)
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@ -567,4 +628,4 @@ function macro_can_template(subs)
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end
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aegisub.register_macro("Apply karaoke template", "Applies karaoke effects from templates", macro_apply_templates, macro_can_template)
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aegisub.register_filter("Karaoke template", "Apply karaoke effect templates to the subtitles", 2000, filter_apply_templates)
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aegisub.register_filter("Karaoke template", "Apply karaoke effect templates to the subtitles.\n\nSee the help file for information on how to use this.", 2000, filter_apply_templates)
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