From 22aa4e63be0716c704a129d130855bf7b7f6e5c0 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ccxvii.net>
Date: Sat, 12 Aug 2023 01:07:51 +0200
Subject: Allow dismantling a single minefield without placing a new one.

---
 rules.js | 30 ++++++++++++++++++++++++++----
 1 file changed, 26 insertions(+), 4 deletions(-)

(limited to 'rules.js')

diff --git a/rules.js b/rules.js
index 0425651..539ed03 100644
--- a/rules.js
+++ b/rules.js
@@ -6143,7 +6143,7 @@ states.spending_bps = {
 		if (game.selected < 0) {
 			if (game.month >= 11 && has_friendly_unit_in_raw_hex(MALTA))
 				gen_action_hex(MALTA)
-			if (count_friendly_minefields() >= 2 || bps >= 15)
+			if (count_friendly_minefields() >= 1 || bps >= 15)
 				gen_action('minefield')
 			if (bps >= 10)
 				gen_action('extra_supply_card')
@@ -6284,7 +6284,7 @@ states.minefield = {
 	prompt() {
 		view.prompt = `Buildup: Build a minefield.`
 		let mfs = friendly_minefields()
-		if (count_friendly_minefields() >= 2)
+		if (count_friendly_minefields() >= 1)
 			gen_action('dismantle')
 		if (available_bps() >= 15) {
 			let net = friendly_buildup_network()
@@ -6295,7 +6295,10 @@ states.minefield = {
 	},
 	dismantle() {
 		push_undo()
-		game.state = 'dismantle1'
+		if (count_friendly_minefields() >= 2)
+			game.state = 'dismantle1'
+		else
+			game.state = 'dismantle0'
 	},
 	hex(x) {
 		let mfs = friendly_minefields()
@@ -6306,6 +6309,25 @@ states.minefield = {
 	}
 }
 
+states.dismantle0 = {
+	inactive: "buildup",
+	prompt() {
+		view.prompt = `Buildup: Dismantle minefield.`
+		let net = friendly_buildup_network()
+		for (let x of friendly_minefields())
+			if (net[x] && !is_battle_hex(x))
+				gen_action_hex(x)
+		for (let x of game.minefields[MF_VISIBLE])
+			if (net[x] && !is_battle_hex(x))
+				gen_action_hex(x)
+	},
+	hex(x) {
+		set_delete(friendly_minefields(), x)
+		set_delete(game.minefields[MF_VISIBLE], x)
+		game.state = 'spending_bps'
+	},
+}
+
 states.dismantle1 = {
 	inactive: "buildup",
 	prompt() {
@@ -6347,7 +6369,7 @@ states.dismantle2 = {
 states.dismantle3 = {
 	inactive: "buildup",
 	prompt() {
-		view.prompt = `Buildup: Build a new minefield.`
+		view.prompt = `Buildup: Build a new minefield at no cost.`
 		let mfs = friendly_minefields()
 		let net = friendly_buildup_network()
 		for (let x of all_hexes)
-- 
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