mirror of
https://github.com/Kunsi/scheduled-plugin-pretalx-broadcast-tools.git
synced 2024-12-22 08:12:44 +00:00
265 lines
8.2 KiB
Lua
265 lines
8.2 KiB
Lua
local json = require "json"
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local font_clock
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local font_day
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local font_room
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local font_talk
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local font_text
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local font_track
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local day = 0
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local time = 0
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local clock = "??"
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local schedule = {}
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local tracks = {}
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local all_next_talks = {}
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local show_language = true
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local show_track = true
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local is_single_day = false
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local hide_talks_older_than_minutes = 25
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local TOPBAR_FONT_SIZE = 70
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local TALK_FONT_SIZE = 50
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local PADDING = 20
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gl.setup(NATIVE_WIDTH, NATIVE_HEIGHT)
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local function log(what)
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return print("[pretalx] " .. what)
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end
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util.json_watch("schedule.json", function(new_schedule)
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log("new schedule")
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schedule = new_schedule.talks
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tracks = new_schedule.tracks
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end)
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util.file_watch("config.json", function(content)
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local config = json.decode(content)
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log("running on device ".. tostring(sys.get_env "SERIAL"))
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show_language = config.show_language
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show_track = config.show_track
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hide_talks_older_than_minutes = config.hide_talks_older_than_minutes
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TOPBAR_FONT_SIZE = config.standalone_topbar_size
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TALK_FONT_SIZE = config.standalone_talk_size
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PADDING = config.standalone_padding
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font_clock = resource.load_font(config.font_clock.asset_name)
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font_day = resource.load_font(config.font_day.asset_name)
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font_room = resource.load_font(config.font_room.asset_name)
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font_talk = resource.load_font(config.font_talk.asset_name)
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font_text = resource.load_font(config.font_text.asset_name)
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font_track = resource.load_font(config.font_track.asset_name)
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end)
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util.data_mapper{
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["(.*)"] = function(path, data)
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log("received data '" .. data .. "' on " .. path)
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if path == "day" then
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day = tonumber(data)
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elseif path == "clock" then
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clock = data
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elseif path == "time" then
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time = tonumber(data)
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elseif path == "single_day" then
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if tostring(data) == "1" then
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is_single_day = true
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else
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is_single_day = false
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end
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end
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end,
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}
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local function parse_rgb(hex)
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hex = hex:gsub("#","")
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return tonumber("0x"..hex:sub(1,2))/255, tonumber("0x"..hex:sub(3,4))/255, tonumber("0x"..hex:sub(5,6))/255
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end
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local function check_next_talks()
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if time == 0 then
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log("No time info yet, cannot check for next talks")
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return
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end
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all_next_talks = {}
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local min_start = time - hide_talks_older_than_minutes * 60
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for idx = 1, #schedule do
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local talk = schedule[idx]
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-- Ignore all talks that have already ended here. We don't want
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-- to announce these.
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if talk.end_ts > time and talk.start_ts > min_start then
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all_next_talks[#all_next_talks+1] = talk
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end
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end
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local function sort_talks(a, b)
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return a.start_ts < b.start_ts or (a.start_ts == b.start_ts and a.room < b.room)
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end
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table.sort(all_next_talks, sort_talks)
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end
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local function wrap(str, font, size, max_w)
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local lines = {}
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local space_w = font:width(" ", size)
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local remaining = max_w
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local line = {}
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for non_space in str:gmatch("%S+") do
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local w = font:width(non_space, size)
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if remaining - w < 0 then
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lines[#lines+1] = table.concat(line, "")
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line = {}
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remaining = max_w
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end
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line[#line+1] = non_space
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line[#line+1] = " "
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remaining = remaining - w - space_w
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end
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if #line > 0 then
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lines[#lines+1] = table.concat(line, "")
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end
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return lines
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end
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function node.render()
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gl.clear(0, 0, 0, 1)
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y = PADDING
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if not is_single_day then
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font_day:write(PADDING, y, string.format("Day %d", day), TOPBAR_FONT_SIZE, 1, 1, 1, 1)
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end
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local clock_width = font_clock:width(clock, TOPBAR_FONT_SIZE)
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font_clock:write(NATIVE_WIDTH-PADDING-clock_width, y, clock, TOPBAR_FONT_SIZE, 1, 1, 1, 1)
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y = y + TOPBAR_FONT_SIZE + PADDING*2
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check_next_talks()
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local time_size = TALK_FONT_SIZE
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local info_size = math.floor(TALK_FONT_SIZE * 0.8)
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local col1 = PADDING
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local col2 = PADDING*2 + 15 + font_text:width("XXX min ago", time_size)
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local track_x = 0
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local track_y = NATIVE_HEIGHT - PADDING*0.3
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local space_used_for_tracks = 0
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if show_track then
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for idx = 1, #tracks do
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track = tracks[idx]
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if track.color ~= json.null then
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r,g,b = parse_rgb(track.color)
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local track_width = font_track:width(track.name, info_size)
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local brightness = math.max(r, g, b)
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if track_x - track_width < PADDING then
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track_x = NATIVE_WIDTH - PADDING
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track_y = track_y - info_size - PADDING
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space_used_for_tracks = space_used_for_tracks + 1
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end
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resource.create_colored_texture(r,g,b,1):draw(
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track_x - track_width - PADDING*0.3,
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track_y - PADDING*0.3,
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track_x + PADDING*0.3,
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track_y + info_size + PADDING*0.3
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)
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if brightness > 0.6 then
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font_track:write(
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track_x - track_width,
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track_y,
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track.name,
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info_size,
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0, 0, 0, 1
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)
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else
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font_track:write(
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track_x - track_width,
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track_y,
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track.name,
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info_size,
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1, 1, 1, 1
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)
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end
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track_x = track_x - track_width - PADDING
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end
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end
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end
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if #schedule == 0 then
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font_text:write(col2, y, "Fetching talks...", TALK_FONT_SIZE, 1, 1, 1, 1)
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elseif #all_next_talks == 0 and #schedule > 0 and sys.now() > 30 then
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font_text:write(col2, y, "Nope. That's it.", TALK_FONT_SIZE, 1, 1, 1, 1)
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end
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for idx = 1, #all_next_talks do
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local talk = all_next_talks[idx]
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local title = talk.title
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if show_language and talk.locale ~= json.null then
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title = title .. " (" .. talk.locale .. ")"
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end
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local title_lines = wrap(
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title,
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font_talk, TALK_FONT_SIZE, NATIVE_WIDTH - col2 - PADDING
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)
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local info_line = talk.room
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if #talk.persons > 0 then
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local joiner = ({
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de = "mit",
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})[talk.locale or ""] or "with"
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info_line = info_line .. " " .. joiner .. " " .. table.concat(talk.persons, ", ")
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end
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local info_lines = wrap(
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info_line,
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font_text, info_size, NATIVE_WIDTH - col2 - PADDING
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)
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if y + #title_lines * TALK_FONT_SIZE + 3 + #info_lines * info_size > NATIVE_HEIGHT - space_used_for_tracks*(info_size+PADDING) - PADDING then
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break
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end
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-- time
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local talk_time
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local delta = talk.start_ts - time
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if delta > -60 and delta < 60 then
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talk_time = "Now"
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elseif delta > 30*60 then
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talk_time = talk.start_str
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elseif delta > 0 then
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talk_time = string.format("in %d min", math.floor(delta/60)+1)
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else
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talk_time = string.format("%d min ago", math.ceil(-delta/60))
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end
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local time_width = font_text:width(talk_time, time_size)
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font_text:write(col2 - 15 - PADDING - time_width, y, talk_time, time_size, 1, 1, 1, 1)
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-- track
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if show_track and talk.track ~= json.null and talk.track.color ~= json.null then
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local r,g,b = parse_rgb(talk.track.color)
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resource.create_colored_texture(r,g,b,1):draw(col2 - 5 - PADDING, y, col2 - 10, y + #title_lines*TALK_FONT_SIZE + 3 + #info_lines*info_size)
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end
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-- title
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for idx = 1, #title_lines do
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font_talk:write(col2, y, title_lines[idx], TALK_FONT_SIZE, 1, 1, 1, 1)
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y = y + TALK_FONT_SIZE
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end
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y = y + 3
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-- info
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for idx = 1, #info_lines do
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font_text:write(col2, y, info_lines[idx], info_size, 1, 1, 1, .8)
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y = y + info_size
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end
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y = y + PADDING
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end
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end
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