Lumberjack

lumberjack.lua

@@ -0,0 +1,47 @@
+local robot = require("robot")
+local os = require("os")
+
+local length = ...
+
+if not length then
+    print('Usage: lumberjack <length>')
+    return
+end
+
+local function mine_tree()
+    local n = 0
+    robot.swing()
+    robot.forward()
+    robot.swingDown()
+    while robot.detectUp() do
+        robot.swingUp()
+        robot.up()
+        n = n + 1
+    end
+    for _ = 1, n do
+        while not robot.down() do end
+    end
+    robot.placeDown()
+end
+
+while true do
+    for _ = 1, length do
+        if robot.detect() then
+            mine_tree()
+        else
+            while not robot.forward() do end
+        end
+        robot.suckDown()
+    end
+    robot.turnAround()
+    for _ = 1, length do
+        if robot.detect() then
+            mine_tree()
+        else
+            while not robot.forward() do end
+        end
+        robot.suckDown()
+    end
+    robot.turnAround()
+    os.execute("sleep 5")
+end