update exportlegends for DF40.x

Better code and also exports the new maps.  Extending to also export
site maps would be cool eventually.

NEWS

@@ -1,5 +1,9 @@
 DFHack future
 
+    Misc improvements:
+        updated exportlegends.lua to work with new maps, dfhack 40.11 r1+
+
+
 DFHack 0.40.11-r1
 
     Internals:

Readme.rst

@@ -1424,7 +1424,7 @@ Exports data from legends mode; allowing a set-and-forget export of large worlds
 
 Options:
 
-:maps: Exports all fifteen detailed maps
+:maps: Exports all seventeen detailed maps
 :all: first exports the world/gen info, then the XML, then all detailed maps
 
 

scripts/exportlegends.lua

@@ -1,18 +1,14 @@
 -- Export everything from legends mode
--- Based on the script 'exportmaps'
--- Suggested keybinding:  keybinding add Shift-A@legends "exportlegends all"
+-- use "exportlegends maps" for detailed maps, or "exportlegends all" to also export legends
 
 gui = require 'gui'
 
 local args = {...}
 local vs = dfhack.gui.getCurViewscreen()
-local i = 0
-
-if args[1] then print('   A script which exports data from legends mode.  Valid arguments are "maps" (detailed maps) or "all" (detailed maps, world/gen info, XML).') end
-
+local i = 1
 
 local MAPS = {
-    [0] = "Standard biome+site map",
+    "Standard biome+site map",
     "Elevations including lake and ocean floors",
     "Elevations respecting water level",
     "Biome",
@@ -27,12 +23,14 @@ local MAPS = {
     "Salinity",
     "Structures/fields/roads/etc.",
     "Trade",
+    "Nobility and Holdings",
+    "Diplomacy",
 }
 function wait_for_legends_vs()
     vs = dfhack.gui.getCurViewscreen()
-    if i < 15 then
+    if i <= #MAPS then
         if df.viewscreen_legendsst:is_instance(vs) then
-            gui.simulateInput(vs, 'LEGENDS_EXPORT_DETAILED_MAP') -- "d" on screen some number internally 
+            gui.simulateInput(vs, 'LEGENDS_EXPORT_DETAILED_MAP')
             dfhack.timeout(10,'frames',wait_for_export_maps_vs)
         else
             dfhack.timeout(10,'frames',wait_for_legends_vs)
@@ -42,10 +40,10 @@ end
 function wait_for_export_maps_vs()
     vs = dfhack.gui.getCurViewscreen()
     if df.viewscreen_export_graphical_mapst:is_instance(vs) then
-        vs.anon_13 = i -- anon_13 appears to be the selection cursor for this viewscreen
-        print('Exporting:  '..MAPS[i])
+        vs.sel_idx = i
+        print('    Exporting:  '..MAPS[i]..' map')
         i = i + 1
-        gui.simulateInput(vs, 'SELECT') -- 1 internally, enter on screen
+        gui.simulateInput(vs, 'SELECT')
         dfhack.timeout(10,'frames',wait_for_legends_vs)
     else
         dfhack.timeout(10,'frames',wait_for_export_maps_vs)
@@ -55,14 +53,14 @@ end
 if df.viewscreen_legendsst:is_instance( vs ) then -- dfhack.gui.getCurFocus() == "legends" 
     if args[1] == "all" then 
         gui.simulateInput(vs, df.interface_key.LEGENDS_EXPORT_MAP)
-        print('Exporting:  world map/gen info')
+        print('    Exporting:  world map/gen info')
         gui.simulateInput(vs, df.interface_key.LEGENDS_EXPORT_XML)
-        print('Exporting:  legends xml')
+        print('    Exporting:  legends xml')
         wait_for_legends_vs()
     elseif args[1] == "maps" then wait_for_legends_vs()
     end
 elseif df.viewscreen_export_graphical_mapst:is_instance(vs) then
-    if args[1] == "maps" or "all" then wait_for_export_maps_vs() end
+    if args[1] == "maps" or args[1] == "all" then wait_for_export_maps_vs() end
 else
     dfhack.printerr('Not in legends view')
 end