65 lines
1.8 KiB
Lua
65 lines
1.8 KiB
Lua
 
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-- Shared descriptor for the full-screen prose states: menu_text (manual,
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-- credits), ingame_message and menu_message.
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--
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-- These have no focus cursor -- the whole screen is one block of text. Long ones
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-- (the manual runs to thousands of words) are unusable as a single utterance, so
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-- the text is ALSO pushed into the console history. That makes the existing
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-- review keys ([ and ]) work on it: you can walk the manual paragraph by
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-- paragraph, jump to the start with Shift+[, and re-read with \.
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local history = require("accessibility.history")
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-- Split on blank lines first, falling back to single newlines. Paragraph-sized
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-- chunks read far better than either one huge utterance or line-by-line
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-- fragments broken mid-sentence by the game's own wrapping.
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local function paragraphs(text)
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local chunks = {}
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for chunk in (text .. "\n\n"):gmatch("(.-)\n%s*\n") do
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chunk = chunk:gsub("^%s+", ""):gsub("%s+$", "")
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if chunk ~= "" then
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chunks[#chunks + 1] = chunk
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end
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end
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if #chunks == 0 then
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for line in text:gmatch("[^\n]+") do
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line = line:gsub("^%s+", ""):gsub("%s+$", "")
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if line ~= "" then
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chunks[#chunks + 1] = line
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end
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end
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end
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return chunks
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end
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local lastText
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return {
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read = function(stateTable, menus)
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local text = menus.getAnyUpvalue(stateTable, "messageText")
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if type(text) ~= "string" or text == "" then
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return nil, nil
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end
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if text == lastText then
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return nil, nil
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end
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lastText = text
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-- Feed the review buffer so [ and ] can walk it.
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local chunks = paragraphs(text)
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for _, chunk in ipairs(chunks) do
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pcall(history.append, chunk, "text")
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end
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local summary = #chunks > 1
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and string.format("%s. %d paragraphs, use review keys to read.", chunks[1], #chunks)
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or chunks[1]
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return summary, text
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end,
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}
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