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Signed-off-by: Ayane Satomi <ayane@vignetteapp.org>
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function HasValue(tab, val) | ||
for _, v in pairs(tab) do | ||
if v == val then return true end | ||
end | ||
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return false | ||
end |
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Char2Hex = function(c) return string.format("%%%02X", string.byte(c)) end | ||
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function UrlEncode(url) | ||
if url == nil then return end | ||
url = url:gsub("\n", "\r\n") | ||
url = url:gsub("([^%w ])", Char2Hex) | ||
url = url:gsub(" ", "+") | ||
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return url | ||
end | ||
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Hex2Char = function(x) return string.char(tonumber(x, 16)) end | ||
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UrlDecode = function(url) | ||
if url == nil then return end | ||
url = url:gsub("+", " ") | ||
url = url:gsub("%%(%x%x)", Hex2Char) | ||
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return url | ||
end | ||
-- ref: https://gist.github.com/ignisdesign/4323051 | ||
-- ref: http://stackoverflow.com/questions/20282054/how-to-urldecode-a-request-uri-string-in-lua | ||
-- to encode table as parameters, see https://github.com/stuartpb/tvtropes-lua/blob/master/urlencode.lua |
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--@name Starfall-TTS (Shared) | ||
--@author Minori, Henke, Empy, et al. | ||
--@include https://raw.githubusercontent.com/sr229/metastruct-experiments/master/starfallex/google_tts/libraries/hasvalue.lua as hasvalue.txt | ||
--@include https://raw.githubusercontent.com/sr229/metastruct-experiments/master/starfallex/google_tts/libraries/urlencode.lua as urlencode.txt | ||
--@shared | ||
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-- constants | ||
local DEFAULT_LANGUAGE = "en-gb" | ||
local DEBUG = true | ||
local REMOTE_INDEX = "https://raw.githubusercontent.com/sr229/metastruct-experiments/master/starfall_metadata/allowed_google_voices.json" | ||
local BASS_REFERENCES = {} | ||
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-- top level requires | ||
require("urlencode.txt") | ||
require("hasvalue.txt") | ||
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if SERVER then | ||
-- Userdata will collect the Player ID and the language. | ||
-- Layout may look something like this: | ||
-- userdata = { | ||
-- [1] = "en-gb" | ||
-- } | ||
local userdata = {} | ||
-- This is the server's copy of the remote index. | ||
local srvidx = {} | ||
-- if you just want to hide it from the idiots around you | ||
-- chip():setOwner(true) | ||
local function getRemoteLanguageIndex() | ||
print("SERVER: Building language index. Please be patient...") | ||
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http.get(REMOTE_INDEX, function(body, len) | ||
if len > 0 then | ||
local rawData = json.decode(body) | ||
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if rawData then | ||
for i, v in pairs(rawData.voices) do | ||
table.insert(srvidx, i, v) | ||
end | ||
else | ||
error("Could not decode JSON") | ||
end | ||
end | ||
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if #srvidx > 0 then | ||
print("SERVER: Serverside hook initialized.") | ||
print(string.format("Available Languages: %s", table.concat(srvidx, ", "))) | ||
end | ||
end) | ||
end | ||
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getRemoteLanguageIndex() | ||
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hook.add("PlayerSay", "msgHandler", function(ply, msg) | ||
if ply and string.sub(msg, 1, 1) == ";" and userdata[ply:getUserID()] then | ||
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net.start("broadcast_tts") | ||
net.writeInt(ply:getUserID(), 32) | ||
net.writeString(userdata[ply:getUserID()]) | ||
net.writeString(tostring(string.sub(msg, 2))) | ||
net.send() | ||
elseif ply and string.sub(msg, 1, 1) == ";" then | ||
-- initialize the user | ||
table.insert(userdata, ply:getUserID(), DEFAULT_LANGUAGE) | ||
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net.start("broadcast_tts") | ||
net.writeInt(ply:getUserID(), 32) | ||
net.writeString(userdata[ply:getUserID()]) | ||
net.writeString(tostring(string.sub(msg, 2))) | ||
net.send() | ||
end | ||
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if ply and string.sub(msg, 1, 1) == ":" and userdata[ply:getUserID()] then | ||
local preferredLang = tostring(string.sub(msg, 2)) | ||
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if HasValue(srvidx, preferredLang) then | ||
print(string.format("Swtiched to %s", preferredLang)) | ||
userdata[ply:getUserID()] = preferredLang | ||
else | ||
print("WARN: Invalid Language! No changes were made.") | ||
end | ||
elseif ply and string.sub(msg, 1, 1) == ":" then | ||
local preferredLang = tostring(string.sub(msg, 2)) | ||
print("No preferences found for you. Initializing you with your preferred language.") | ||
if HasValue(srvidx, preferredLang) then | ||
table.insert(userdata, ply:getUserID(), preferredLang) | ||
else | ||
print("WARN: Your preferred language is not valid! Initializing you with the default one instead.") | ||
table.insert(userdata, ply:getUserID(), DEFAULT_LANGUAGE) | ||
end | ||
end | ||
end) | ||
end | ||
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if CLIENT then | ||
-- Check if client has permission | ||
if not hasPermission("bass.loadURL", "https://translate.google.com/translate_tts") then | ||
print("WARNING: Your starfall settings prevents this chip from working, please redo your settings.") | ||
else | ||
print("CLIENT: Clientside hook initialized.") | ||
end | ||
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local function requestTTS(txt, lng, callback) | ||
local url = string.format("https://translate.google.com/translate_tts?ie=UTF-8&q=%s&tl=%s&client=tw-ob", txt, lng) | ||
bass.loadURL(url, "3d noblock", callback) | ||
end | ||
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local function doTTS(ply, sound) | ||
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-- check for validity | ||
if not sound then | ||
error("Sound is invalid or nil!") | ||
end | ||
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table.insert(BASS_REFERENCES, { | ||
ref = sound, | ||
timestamp = os.time() | ||
}) | ||
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hook.add("think", "soundFollow", function() | ||
if sound:isValid() then | ||
sound:setPos(ply:getPos()) | ||
else | ||
hook.remove("think", "soundFollow") | ||
end | ||
end) | ||
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sound:setVolume(1.3) | ||
sound:play() | ||
end | ||
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local function gc() | ||
table.sort(BASS_REFERENCES, function(a, b) return a.timestamp < b.timestamp end) | ||
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if #BASS_REFERENCES ~= 0 and #BASS_REFERENCES > 2 then | ||
BASS_REFERENCES[1].ref:destroy() | ||
table.remove(BASS_REFERENCES, 1) | ||
end | ||
end | ||
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net.receive("broadcast_tts", function() | ||
local ply = player(net.readInt(32)) | ||
local lang = net.readString() | ||
local msg = net.readString() | ||
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if DEBUG then print(string.format("DEBUG: Ply: %s, Lang: %s, Msg: %s", ply:getName(), lang, msg)) end | ||
requestTTS(UrlEncode(msg), lang, function(s) | ||
if s then | ||
doTTS(ply, s) | ||
gc() | ||
end | ||
end) | ||
end) | ||
end |
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