From 0163e0aef0055802cd86f8afaff0fd94fa7d0777 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ccxvii.net>
Date: Tue, 4 Oct 2022 00:18:02 +0200
Subject: Check available money for building minefields.

---
 rules.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/rules.js b/rules.js
index adbf7d5..68c7181 100644
--- a/rules.js
+++ b/rules.js
@@ -6166,12 +6166,14 @@ states.minefield = {
 	prompt() {
 		view.prompt = `Buildup: Build a minefield.`
 		let mfs = friendly_minefields()
-		let net = friendly_buildup_network()
 		if (mfs.length >= 2)
 			gen_action('dismantle')
-		for (let x of all_hexes)
-			if (net[x] && !is_battle_hex(x) && !set_has(mfs, x))
-				gen_action_hex(x)
+		if (available_bps() >= 15) {
+			let net = friendly_buildup_network()
+			for (let x of all_hexes)
+				if (net[x] && !is_battle_hex(x) && !set_has(mfs, x))
+					gen_action_hex(x)
+		}
 	},
 	dismantle() {
 		push_undo()
-- 
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