Improve tilekiln configuration

.gitignore

@@ -1 +1,2 @@
 t-rex-config.toml
+shortbread_config

config/shortbread.lua

@@ -64,9 +64,13 @@ if osm2pgsql.mode == 'create' then
 --    themepark:plugin('t-rex'):write_config('t-rex-config.toml', {})
 
 -- Enable if you want to create a config file for the Tilekiln tile server.
--- (You must also create the directory 'tk'.)
+-- (You must also create the directory 'shortbread_config'.)
 --
---    themepark:plugin('tilekiln'):write_config('tk')
+--     themepark:plugin('tilekiln'):write_config('shortbread_config', {
+--         tileset = 'shortbread_v1',
+--         name = 'OpenStreetMap Shortbread',
+--         attribution = '<a href="https://www.openstreetmap.org/copyright">© OpenStreetMap</a>'
+--     })
 
 -- Enable if you want to create a taginfo project file.
 --

config/shortbread_gen.lua

@@ -96,9 +96,13 @@ if osm2pgsql.mode == 'create' then
 --     })
 
 -- Enable if you want to create a config file for the Tilekiln tile server.
--- (You must also create the directory 'tk'.)
+-- (You must also create the directory 'shortbread_config'.)
 --
---    themepark:plugin('tilekiln'):write_config('tk')
+--     themepark:plugin('tilekiln'):write_config('shortbread_config', {
+--         tileset = 'shortbread_v1',
+--         name = 'OpenStreetMap Shortbread',
+--         attribution = '<a href="https://www.openstreetmap.org/copyright">© OpenStreetMap</a>'
+--     })
 end
 
 -- ---------------------------------------------------------------------------

lua/themepark/plugins/tilekiln.lua

@@ -33,10 +33,10 @@ local lyaml = require 'lyaml'
 
 function plugin:build_sublayer_config(main_layer, sub_layer)
     local config = {
-        minzoom = sub_layer.tiles.minzoom or 0,
-        maxzoom = sub_layer.tiles.maxzoom or 14,
-        extent = sub_layer.tiles.extent or 4096,
-        buffer = sub_layer.tiles.buffer_size or 10,
+        minzoom = sub_layer.tiles.minzoom or self.minzoom,
+        maxzoom = sub_layer.tiles.maxzoom or self.maxzoom,
+        extent = sub_layer.tiles.extent,
+        buffer = sub_layer.tiles.buffer_size,
     }
 
     local mvt = 'ST_AsMVTGeom("' .. sub_layer.geom_column .. '", {{unbuffered_bbox}}, {{extent}}, {{buffer}}) AS way'
@@ -99,17 +99,19 @@ end
 
 function plugin:write_config(directory, options)
     self.directory = directory
+    self.minzoom = options.minzoom or 0
+    self.maxzoom = options.maxzoom or 14
 
     if not options then
         options = {}
     end
 
     local config = {
         metadata = {
-            id = 'v1',
-            name = options.tileset or 'osm',
+            id = options.tileset or 'mytiles',
+            name = options.name,
             attribution = options.attribution or plugin.themepark.options.attribution,
-            version = '0.0.1',
+            version = options.version,
         },
         vector_layers = {}
     }