mirror of https://github.com/odrling/Aegisub
Multi-template factorybrew
Originally committed to SVN as r386.
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--[[
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Copyright (c) 2005, Niels Martin Hansen
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of the Aegisub Group nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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]]
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-- Aegisub Automation factory-brewed script
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-- "Template-based multiple-lines-per-syllable karaoke effects"
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-- Use karaskel.lua for skeleton code
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include("karaskel-adv.lua")
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-- Define the name of the script
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name = "Template-based effects"
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-- Define a description of the script
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description = "Makes advanced effects using templates embedded into the subtitle script. Please see the help for information on how to use this script."
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-- Only one config option here.
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-- Everything else is defined in the subtitle script
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configuration = {
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-- Allow the user to specify whether to strip tags or not
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[1] = {
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name = "striptags";
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kind = "bool";
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label = "Strip all tags";
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hint = "Strip all formatting tags apart from the processed karaoke tags?";
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default = false
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},
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[2] = {
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name = "skipunknown";
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kind = "bool";
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label = "Remove unknown lines";
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hint = "Removes all lines without a defined template";
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default = false
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}
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}
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-- Mandatory values
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version, kind= 3, 'basic_ass'
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function do_syllable(meta, styles, config, line, syl)
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-- text is the replacement text for the syllable
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-- ktext is the karaoke effect string
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local text, ktext
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-- Prepare the stripped or unstripped main text
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if config.striptags then
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text = syl.text_stripped
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else
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text = syl.text
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end
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local result = { n=0 }
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-- Don't bother with empty syllables
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if syl.text == "" then
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return result
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end
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-- Add the variable names to the syllable data
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syl["dur"] = syl.duration
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syl["start"] = syl.start_time
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syl["end"] = syl.end_time
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syl["mid"] = syl.start_time + syl.duration*5
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syl["x"] = syl.center + line.centerleft
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-- Prepare the karaoke effect string
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for templateid, template in template_data[line.style] do
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local ktext = template.text
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-- do_repeat is global on purpose
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_G.do_repeat = false
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repeat
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-- Function for replacing the variables
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local function var_replacer(varname)
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varname = string.lower(varname)
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if syl[varname] ~= nil then
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return syl[varname]
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else
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aegisub.output_debug(string.format("Unknown variable name: %s", varname))
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return "$" .. varname
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end
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end
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-- Replace the variables in the ktext
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ktext = string.gsub(ktext, "$(%a+)", var_replacer)
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local skipline = false
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local newline = copy_line(line)
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newline.layer = template.layer
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A = { meta = meta, styles = styles, line = line, syl = syl, newline = newline }
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-- Function for evaluating expressions
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local function expression_evaluator(expression)
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if string.find(expression, "return") then
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chunk, err = loadstring(expression)
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else
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chunk, err = loadstring(string.format("return (%s)", expression))
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end
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if (err) ~= nil then
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aegisub.output_debug(string.format("Error parsing expression:\n%s", expression, err))
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return "%" .. expression .. "%"
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else
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local result = chunk(meta, styles, line, syl, newline)
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if result then
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return result
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else
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skipline = true
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return ""
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end
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end
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end
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-- Find and evaluate expressions
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ktext = string.gsub(ktext, "%%([^%%]*)%%", expression_evaluator)
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newline.text = ktext .. text
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if not (kline == "" or skipline) then
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table.insert(result, newline)
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end
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until not do_repeat
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end
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return result
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end
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function do_line(meta, styles, config, line)
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if line.kind == "comment" and line.name == "template" then
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if not template_data[line.style] then
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template_data[line.style] = {}
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end
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table.insert(template_data[line.style], line)
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return { n=0 }
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elseif line.kind == "dialogue" and template_data[line.style] then
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return karaskel.do_line(meta, styles, config, line)
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elseif not config.skipunknown then
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return { n=1, [1]=line }
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else
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return { n=0 }
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end
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if config.workstyle == "" or config.workstyle == line.style then
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return adv_do_line(meta, styles, config, line)
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else
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return { n=1, [1]=line }
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end
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end
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function process_lines(meta, styles, lines, config)
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template_data = {}
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return karaskel.process_lines(meta, styles, lines, config)
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end
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