Add more built-in node types

init.lua

@@ -118,7 +118,31 @@ Tactree.Leaf 'Sequence'
 	end
 }
 
-Tactree.Leaf 'Repeat'
+Tactree.Leaf 'Selector'
+{
+	start = function(node)
+		node:private().current_child = 1
+		node.children[node:private().current_child]:start()
+	end,
+	tick = function(node)
+		local result = node.children[node:private().current_child]:update()
+
+		if type(result) == 'boolean' then
+			if not result then
+				if node:private().current_child == #node.children then
+					return false
+				else
+					node:private().current_child = node:private().current_child + 1
+					node.children[node:private().current_child]:start()
+				end
+			else
+				return true
+			end
+		end
+	end
+}
+
+Tactree.Leaf 'RepeatUntilFail'
 {
 	start = function(node)
 		node.children[1]:start()
@@ -127,13 +151,45 @@ Tactree.Leaf 'Repeat'
 		local result = node.children[1]:update()
 
 		if type(result) == 'boolean' then
-			if not result then return false end
+			if not result then
-
+				return true
-			node.children[1]:start()
+			else
+				node.children[1]:start()
+			end
 		end
 	end
 }
 
+Tactree.Leaf 'RepeatUntilPass'
+{
+	start = function(node)
+		node.children[1]:start()
+	end,
+	tick = function(node)
+		local result = node.children[1]:update()
+
+		if type(result) == 'boolean' then
+			if result then
+				return true
+			else
+				node.children[1]:start()
+			end
+		end
+	end
+}
+
+Tactree.Leaf 'RepeatForever'
+{
+	start = function(node)
+		node.children[1]:start()
+	end,
+	tick = function(node)
+		local result = node.children[1]:update()
+
+		if type(result) == 'boolean' then node.children[1]:start() end
+	end
+}
+
 --[[
 	Example usage
 	-------------