Better greed

agents/greed.rhai

@@ -1,5 +1,3 @@
-
-
 // Return a random valid action on the given board.
 // Used as a last resort.
 fn random_action(board) {
@@ -59,8 +57,8 @@ fn compute_influence(board) {
 	}
 
 
-   // Sort by increasing absolute score
-   influence.sort(|a, b| {
+	// Sort by increasing absolute score
+	influence.sort(|a, b| {
 		let a_abs = a[1].abs();
 		let b_abs = b[1].abs();
 
@@ -85,7 +83,6 @@ fn place_number(board, minimize) {
 		return random_action(board);
 	}
 
-
 	// Get the most influential position
 	let pos = influence[-1][0];
 	let val = influence[-1][1];
@@ -104,7 +101,7 @@ fn place_number(board, minimize) {
 		if val > 0 {
 			symbol = available_numbers[-1];
 		} else {
-		  	symbol = available_numbers[0];
+			symbol = available_numbers[0];
 		}
 	}
 
@@ -139,25 +136,20 @@ fn place_op(board, minimize) {
 	return ();
 }
 
-
 // Main step function (shared between min and max)
 fn greed_step(board, minimize) {
-
 	let action = place_op(board, minimize);
+
+	// We could not place an op, so place a number
 	if action == () {
 		action = place_number(board, minimize);
 	}
 
-	if board.can_play(action) {
-		return action;
-	}
-
 	// Prevent invalid moves, random fallback
+	if board.can_play(action) { return action; }
 	return random_action(board);
 }
 
-
-
 // Minimizer step
 fn step_min(board) {
 	greed_step(board, true)