Move DigitalDisplay, TextDisplay to new folder

Scripts/DCS-BIOS/lib/modules/DigitalDisplay.lua

@@ -0,0 +1,86 @@
+module("DigitalDisplay", package.seeall)
+
+--- @class DigitalDisplay
+DigitalDisplay = {}
+
+---Replaces all instances of the keys of the provided map with the values in the provided map
+---@param s string string to replace values in
+---@param map table map of values to replace, where keys are replaced by values
+---@return string s the resulting substituted string
+local function replaceSymbols(s, map)
+	for key, value in pairs(map) do
+		s = s:gsub(key, value)
+	end
+
+	return s
+end
+
+---Gets the display lines for a DCS display
+---@param dcsDisplay table The DCS display to parse
+---@param displayIndicatorData table The data from the json file containing information about the display
+---@param getDisplayPage function Gets the current display page
+---@param replaceSymbolMap table Map of symbols to replace from -> to
+---@return table displayLines The lines of the display (bios id -> txt)
+function DigitalDisplay.GetDisplayItems(dcsDisplay, displayIndicatorData, getDisplayPage, replaceSymbolMap)
+	local displayLines = {}
+
+	local displayPage = nil
+	if getDisplayPage then
+		displayPage = getDisplayPage()
+	end
+
+	for k, v in pairs(dcsDisplay) do
+		-- "k": {
+		--     "pages": [
+		--         "MAIN" // list of pages that this item can appear on
+		--     ],
+		--     "biosId": "ARC210_COMSEC_MODE", // bios id to use
+		--     "description": "COMSEC Mode", // the name/description displayed in the reference tool
+		--     "maxLength": 11, // max length of the string
+		--     "alignment": "LEFT" // optional alignment for string padding (LEFT, RIGHT, CENTER)
+		--     "type": "TEXT" // the type of the item, which indicates how it should be parsed and generated
+		-- },
+		local candidates = displayIndicatorData[k]
+		if candidates then
+			local render_instructions = nil
+			if displayPage then
+				for _, ri in pairs(candidates) do
+					for _, page in pairs(ri.pages) do
+						if displayPage == page then
+							render_instructions = ri
+							break
+						end
+					end
+				end
+			else
+				render_instructions = candidates[1]
+			end
+			if render_instructions then
+				if replaceSymbolMap then
+					v = replaceSymbols(v, replaceSymbolMap)
+				end
+				local ri = render_instructions
+				if ri.type == "TEXT" then
+					local txt = v
+					local max_len = ri.maxLength
+					txt = v:sub(1, max_len)
+
+					if ri.alignment == "LEFT" then
+						txt = txt .. string.rep(" ", max_len - #txt)
+					elseif ri.alignment == "RIGHT" then
+						txt = string.rep(" ", max_len - #txt) .. txt
+					elseif ri.alignment == "CENTER" then
+						local half = #txt / 2
+						txt = string.rep(" ", max_len - math.floor(half)) .. txt .. string.rep(" ", max_len - math.ceil(half))
+					end
+
+					displayLines[ri.biosId] = txt
+				end
+			end
+		end
+	end
+
+	return displayLines
+end
+
+return DigitalDisplay

Scripts/DCS-BIOS/lib/modules/TextDisplay.lua

@@ -0,0 +1,102 @@
+module("TextDisplay", package.seeall)
+
+--- @class TextDisplay
+TextDisplay = {}
+
+---Replaces all instances of the keys of the provided map with the values in the provided map
+---@param s string string to replace values in
+---@param map table map of values to replace, where keys are replaced by values
+---@return string s the resulting substituted string
+local function replaceSymbols(s, map)
+	for key, value in pairs(map) do
+		s = s:gsub(key, value)
+	end
+
+	return s
+end
+
+-- this function works by iterating over all of the items in the provided indicatordata table and substituting
+-- them in for each line according to their x and y values
+
+---Gets the display lines for a DCS display
+---@param dcsDisplay table The DCS display to parse
+---@param width number The character width of the screen
+---@param height number The lines of text the screen supports
+---@param displayIndicatorData table The data from the json file containing information about the display
+---@param getDisplayPage function Gets the current display page
+---@param replaceSymbolMap table Map of symbols to replace from -> to
+---@param parentMap table? map of pages to their parent pages
+---@return table displayLines The lines of the display
+function TextDisplay.GetDisplayLines(dcsDisplay, width, height, displayIndicatorData, getDisplayPage, replaceSymbolMap, parentMap)
+	local emptyLine = string.rep(" ", width)
+
+	local displayLines = {}
+	for i = 1, height do
+		displayLines[i] = emptyLine
+	end
+	if not dcsDisplay then
+		return displayLines
+	end
+
+	local displayPage = getDisplayPage()
+	parentMap = parentMap or {}
+	local parentPage = parentMap[displayPage]
+
+	for k, v in pairs(dcsDisplay) do
+		local candidates = displayIndicatorData[k]
+		if candidates then
+			if replaceSymbolMap then
+				v = replaceSymbols(v, replaceSymbolMap)
+			end
+			local render_instructions = nil
+			if #candidates == 1 then
+				render_instructions = candidates[1]
+			else
+				for _, ri in pairs(candidates) do
+					local parent_instructions = nil
+					for _, page in pairs(ri.pages) do
+						if displayPage == page then
+							render_instructions = ri
+							break
+						elseif parentPage == page then
+							parent_instructions = ri
+						end
+					end
+					-- if we haven't found anything for this page, let's try the parent page
+					if render_instructions == nil then
+						render_instructions = parent_instructions
+					end
+				end
+			end
+			if render_instructions then
+				local ri = render_instructions
+				local old_line = displayLines[ri.y]
+				local replacements = {}
+				if not ri.alignment or ri.alignment == "LFT" then
+					for i = 1, v:len(), 1 do
+						local c = v:sub(i, i)
+						if c ~= " " then
+							replacements[ri.x + i - 1] = c
+						end
+					end
+				elseif ri.alignment == "RGHT" then
+					for i = 1, v:len(), 1 do
+						local c = v:sub(i, i)
+						if c ~= " " then
+							replacements[ri.x - (v:len() - i)] = c
+						end
+					end
+				end
+				local new_line = ""
+				for i = 1, width, 1 do
+					new_line = new_line .. (replacements[i] or old_line:sub(i, i))
+				end
+				displayLines[ri.y] = new_line
+			end
+		end
+	end
+
+	return displayLines
+end
+
+return TextDisplay