From 55f61eaa5218a52dfae104eeb7b732f4b10718fc Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ccxvii.net>
Date: Thu, 28 Jul 2022 15:56:26 +0200
Subject: Reinforcements.

---
 rules.js | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 81 insertions(+), 12 deletions(-)

(limited to 'rules.js')

diff --git a/rules.js b/rules.js
index 1062f35..886ae3a 100644
--- a/rules.js
+++ b/rules.js
@@ -3,24 +3,21 @@
 // TODO: fortress supply
 // TODO: oasis supply
 // TODO: raiders
+// TODO: reveal minefields
+// TODO: gazala scenario
 // TODO: legal pass withdrawal moves (reduce supply net, withdraw from fortress attack)
-
-// TODO: BUILDUP
-// TODO: MINEFIELDS
-
 // TOOD: reveal/hide blocks (hexes)
+// TODO: malta units?
 
-// TODO: setup scenario specials
+// TODO: BUILDUP
 
-// TODO: when is "fired" status cleared?
+// RULES: when is "fired" status cleared?
 
 // RULES: disrupted units routed again in second enemy turn, will they still recover?
 // assume yes, easy to change (remove from game.recover set if routed)
 
 // RULES: reveal minefields moved through (but not stopped at)?
 
-// TODO: exit hexes off-limits to allied (or unsupplied) units?
-
 // TODO: forbid single-group regroup moves or convert to group moves after the fact,
 // to prevent forced march abuse.
 
@@ -477,6 +474,12 @@ function is_axis_unit(u) {
 
 // === MAP STATE ===
 
+function friendly_base() {
+	if (is_axis_player())
+		return EL_AGHEILA
+	return ALEXANDRIA
+}
+
 function update_presence() {
 	presence_invalid = false
 	presence_axis.fill(0)
@@ -1486,7 +1489,7 @@ function player_hand() {
 states.turn_option = {
 	inactive: "turn option",
 	prompt() {
-		view.prompt = `Select Turn Option: ${game.commit[0]} real and ${game.commit[1]} dummy supply.`
+		view.prompt = `Turn Option \u2014 committed ${game.commit[0]} real and ${game.commit[1]} dummy supply.`
 
 		let hand = player_hand()
 		if (game.commit[0] + game.commit[1] < 3) {
@@ -3720,7 +3723,7 @@ function end_rout_fire() {
 	goto_rout_move()
 }
 
-// === BUILD-UP ===
+// === BUILDUP ===
 
 function end_month() {
 	// Forget captured fortresses (for bonus cards)
@@ -3881,12 +3884,78 @@ function goto_buildup_point_determination() {
 
 function goto_buildup_reinforcements() {
 	log_h2(game.active + " Buildup")
+	game.state = 'buildup_reinforcements'
+}
+
+states.buildup_reinforcements = {
+	prompt() {
+		view.prompt = `Buildup: Bring on reinforcements.`
+		gen_action_hex(friendly_base())
+	},
+	hex(base) {
+		apply_reinforcements()
+		goto_buildup_spending()
+	},
+}
+
+function apply_reinforcements() {
+	let base = friendly_base()
+	let scheduled = 0
+	let early = 0
+
+	for_each_friendly_unit_in_month(game.month, u => {
+		set_unit_hex(u, base)
+		scheduled++
+	})
+
+	if (game.month < current_scenario().end) {
+		for_each_friendly_unit_in_month(game.month + 1, u => {
+			if (roll_die() <= 2) {
+				set_unit_hex(u, base)
+				early++
+			}
+		})
+	}
 
-	goto_buildup_spending()
+	log(`Reinforcements at #${base}:`)
+	log(`>${scheduled} on schedule`)
+	log(`>${early} early`)
 }
 
 function goto_buildup_spending() {
-	end_buildup_spending()
+	game.state = 'spending_bps'
+}
+
+function available_bps() {
+	if (is_axis_player())
+		return game.axis_bps
+	else
+		return game.allied_bps
+}
+
+function pay_bps(n) {
+	if (is_axis_player())
+		game.axis_bps -= n
+	else
+		game.allied_bps -= n
+}
+
+states.spending_bps = {
+	prompt() {
+		view.prompt = `Buildup: Spend buildup points (${available_bps()} remain).`
+		gen_action('end_buildup')
+	},
+	end_buildup() {
+		clear_undo()
+
+		let n = available_bps()
+		if (n > 20) {
+			log(`Lost ${n - 20} unspent BPs.`)
+			pay_bps(n - 20)
+		}
+
+		end_buildup_spending()
+	}
 }
 
 function end_buildup_spending() {
-- 
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