51 lines
1.7 KiB
Lua
51 lines
1.7 KiB
Lua
 
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-- states/journal.lua — quests, lore, bestiary, knowledge, research, tutorials.
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--
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-- Two axes move independently: the tab (left/right) and the entry within it
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-- (up/down). Both must be announced, and the tab header must lead when it
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-- changes, since "Quests" and "Bestiary" list very different things.
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--
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-- Uses getAnyUpvalue because activeTabIndex, options and selectedOption are
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-- touched by different functions here (gotoTab, refreshOptions, keypressed).
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local lastTab
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return {
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read = function(stateTable, menus)
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local tabIndex = menus.getAnyUpvalue(stateTable, "activeTabIndex")
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local tabsList = menus.getAnyUpvalue(stateTable, "tabsList")
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local options = menus.getAnyUpvalue(stateTable, "options")
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local selected = menus.getAnyUpvalue(stateTable, "selectedOption")
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if type(tabIndex) ~= "number" or type(tabsList) ~= "table" then
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return nil, nil
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end
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local tab = tabsList[tabIndex]
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local tabName = tab and tab.header or ("tab " .. tabIndex)
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local parts = {}
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-- Lead with the tab only when it just changed, so stepping through a long
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-- quest list doesn't repeat "Quests" on every line.
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if tabIndex ~= lastTab then
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lastTab = tabIndex
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parts[#parts + 1] = tabName
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end
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if type(options) == "table" and type(selected) == "number" and options[selected] then
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local entry = options[selected]
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parts[#parts + 1] = entry.title or entry.header or entry.name or "?"
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parts[#parts + 1] = selected .. " of " .. #options
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elseif type(options) == "table" and #options == 0 then
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parts[#parts + 1] = "empty"
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end
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if #parts == 0 then
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return nil, nil
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end
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return table.concat(parts, ", "),
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tostring(tabIndex) .. ":" .. tostring(selected) .. ":" .. tostring(options and #options)
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end,
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}
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