Fix mobjs.iterate() and sector_t.ffloors()

ExtractUserdata.lua

@@ -6,6 +6,10 @@ local lpeg = require 'lpeg'
 
 local err = util.printerr
 
+local manualFieldTypes = {
+	['sector_t.ffloors'] = 'fun(): fun(): ffloor_t',
+}
+
 local descriptions = {
 	mobj_t = [[
 		This userdata type represents an Object. In the examples below, mobj is used as the name of the mobj_t variable. An access to a variable var of mobj_t is written as mobj.var.
@@ -89,7 +93,7 @@ local function extractUserdataFields(t, userdataName)
 
 		local name = extractFieldName(row.cells[1])
 
-		local fieldType = extractFieldType(row.cells[2])
+		local fieldType = manualFieldTypes[userdataName .. '.' .. name] or extractFieldType(row.cells[2])
 		if fieldType then
 			local access = util.wikiToMarkdown(row.cells[3].content, 'Userdata_structures')
 			access = 'Accessibility:' .. (access:find('\n') and '\n' or ' ') .. access

extractFunction.lua

@@ -21,6 +21,7 @@ local manualReturnTypes = {
 	freeslot = '---@return ... int',
 	reserveLuabanks = '---@return UINT32[]',
 	['file_t:read'] = '---@return ... any',
+	['mobjs.iterate'] = '---@return fun(): mobj_t',
 }
 
 local ignoredFunctions = util.arrayToSet{