Add setting to customize spawning nodes

changelog.txt

@@ -4,6 +4,7 @@ v1.1
 - added sound when hit
 - fixed entity vertical positioning
 - fixed tnt:boom node left after explosion
+- added setting to customize spawn nodes
 
 v1.0
 ----

settings.lua

@@ -106,3 +106,11 @@ sneeker.spawn_maxheight = tonumber(core.settings:get("sneeker.spawn_maxheight")
 --  @settype int
 --  @default 1
 sneeker.spawn_mapblock_limit = tonumber(core.settings:get("sneeker.spawn_mapblock_limit") or 1)
+
+--- Comma-separated list of nodes on which sneeker can spawn.
+--
+--  @setting sneeker.spawn_nodes
+--  @settype string
+--  @default default:dirt_with_dry_grass,default:dry_dirt,default:dry_dirt_with_dry_grass,default:desert_sand,nether:rack
+sneeker.spawn_nodes = core.settings:get("sneeker.spawn_nodes") or "default:dirt_with_dry_grass,default:dry_dirt,default:dry_dirt_with_dry_grass,default:desert_sand,nether:rack"
+sneeker.spawn_nodes = sneeker.spawn_nodes:trim()

settingtypes.txt

@@ -50,3 +50,6 @@ sneeker.spawn_maxheight (Sneeker max spawn height) int 31000
 
 # Limits the number of entities that can spawn per mapblock (16x16x16).
 sneeker.spawn_mapblock_limit (Sneeker spawn limit) int 1
+
+# Comma-separated list of nodes on which sneeker can spawn.
+sneeker.spawn_nodes (Sneeker spawn nodes) string default:dirt_with_dry_grass,default:dry_dirt,default:dry_dirt_with_dry_grass,default:desert_sand,nether:rack

spawn.lua

@@ -1,19 +1,20 @@
 
-local spawn_nodes = {
-	"default:dirt_with_dry_grass",
-	"default:dry_dirt",
-	"default:dry_dirt_with_dry_grass",
-	"default:desert_sand",
-}
-
-if core.global_exists("nether") then
-	table.insert(spawn_nodes, "nether:rack")
+local spawn_nodes = {}
+if sneeker.spawn_nodes ~= "" then
+	if not sneeker.spawn_nodes:find(",") then
+		table.insert(spawn_nodes, sneeker.spawn_nodes)
+	else
+		for _, node in ipairs(sneeker.spawn_nodes:split(",")) do
+			local node = node:trim()
+			if node ~= "" then
+				table.insert(spawn_nodes, node)
+			end
+		end
+	end
 end
 
-for _, node_name in ipairs(spawn_nodes) do
-	if not core.registered_nodes[node_name] then
-		sneeker.log("warning", "Invalid node for spawn: " .. node_name)
-	end
+if #spawn_nodes == 0 then
+	sneeker.log("warning", "no spawning nodes set, cannot spawn")
 end