extented TurtleExcuter

src/lib/turtle/TurtleExecuter.hx

@@ -1,5 +1,6 @@
 package lib.turtle;
 
+import util.Pos3;
 import kernel.turtle.Turtle;
 using tink.CoreApi;
 
@@ -11,6 +12,51 @@ class TurtleExecuter {
 		this.instructions = instructions;
 	}
 
+	public function getRequiredFuel(): Int {
+		var fuel = 0;
+		for(inst in instructions){
+			if (inst == Forward || inst == Back || inst == Up || inst == Down) {
+				fuel++;
+			}
+		}
+
+		return fuel;
+	}
+
+	public function getRequiredBlocks(): Int {
+		var blocks = 0;
+		for(inst in instructions){
+			switch inst {
+				case Place(_):
+					blocks++;
+				default:
+			}
+		}
+
+		return blocks;
+	}
+
+	public function getFinalOffset(): Pos3 {
+		var pos: Pos3 = {x:0, y:0, z:0};
+		var forwardVec: Pos3 = {x: 1, y: 0, z: 0};
+
+		for (inst in instructions){
+			switch inst {
+				case Forward:
+					pos = pos + forwardVec;
+				case Back:
+					pos = pos - forwardVec;
+				case TurnRight:
+					forwardVec = {x: -forwardVec.z, z: forwardVec.x, y: forwardVec.y};
+				case TurnLeft:
+					forwardVec = {x: forwardVec.z, z: -forwardVec.x , y: forwardVec.y};
+				default:
+			}
+		}
+
+		return pos;
+	}
+
 	public function execute() {
 		for (inst in instructions){
 			executeInst(inst);