From 237905e50c8e2fb36a250fac5656b28396ed614e Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ccxvii.net>
Date: Wed, 18 Dec 2024 16:37:10 +0100
Subject: Add combat card play validation phase.

---
 rules.js | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 78 insertions(+), 6 deletions(-)

(limited to 'rules.js')

diff --git a/rules.js b/rules.js
index 65562e7..61e360a 100644
--- a/rules.js
+++ b/rules.js
@@ -116,6 +116,7 @@ const V_POLITICS = 1
 const V_HUSSARS = 2
 const V_MOVEMENT = 4
 const V_RETREAT = 8
+const V_COMBAT = 16
 
 const SPADES = 0
 const CLUBS = 1
@@ -3873,6 +3874,8 @@ function goto_resolve_combat() {
 		set_active_defender()
 		game.state = "combat_defend"
 	}
+
+	save_checkpoint()
 }
 
 function end_resolve_combat() {
@@ -3952,6 +3955,18 @@ function resume_combat_defend() {
 		game.state = "combat_defend"
 }
 
+function resume_combat_attack_v() {
+	set_active_attacker()
+	game.state = "combat_attack"
+	save_checkpoint()
+}
+
+function resume_combat_defend_v() {
+	set_active_defender()
+	game.state = "combat_defend"
+	save_checkpoint()
+}
+
 function gen_play_card(suit) {
 	let score = Math.abs(game.count)
 	let has_suit = false
@@ -4022,7 +4037,7 @@ states.combat_attack = {
 		play_combat_card(c, +1, resume_combat_attack, "combat_attack_reserve")
 	},
 	pass() {
-		end_resolve_combat()
+		goto_validate_combat(end_resolve_combat)
 	},
 }
 
@@ -4036,7 +4051,7 @@ states.combat_defend = {
 		play_combat_card(c, -1, resume_combat_defend, "combat_defend_reserve")
 	},
 	pass() {
-		end_resolve_combat()
+		goto_validate_combat(end_resolve_combat)
 	},
 }
 
@@ -4073,8 +4088,7 @@ states.combat_attack_swap = {
 		view.actions.next = 1
 	},
 	next() {
-		set_active_defender()
-		game.state = "combat_defend"
+		goto_validate_combat(resume_combat_defend_v)
 	},
 }
 
@@ -4085,8 +4099,7 @@ states.combat_defend_swap = {
 		view.actions.next = 1
 	},
 	next() {
-		set_active_attacker()
-		game.state = "combat_attack"
+		goto_validate_combat(resume_combat_attack_v)
 	},
 }
 
@@ -6986,6 +6999,65 @@ states.validate_movement_fail = {
 	},
 }
 
+/* VALIDATE: COMBAT */
+
+const validate_combat_next = {
+	end_resolve_combat,
+	resume_combat_defend_v,
+	resume_combat_attack_v,
+}
+
+function goto_validate_combat(next) {
+	game.validate_next = next.name
+	goto_validate_promise(V_COMBAT, resume_validate_combat)
+}
+
+function resume_validate_combat() {
+	resume_validate_promise("validate_combat", end_validate_combat)
+}
+
+function end_validate_combat() {
+	let next = validate_combat_next[game.validate_next]
+	delete game.validate_next
+	clear_checkpoint()
+	next()
+}
+
+states.validate_combat = {
+	dont_snap: true,
+	inactive: "confirm that promises were kept",
+	prompt() {
+		let other = game.restart.power
+		prompt("Did " + power_name[other] + " keep their combat promise?")
+		view.actions.keep = 1
+		view.actions.break = 1
+		view.actions.undo = 0
+	},
+	keep() {
+		resume_validate_combat()
+	},
+	break() {
+		let other = game.power
+		restore_checkpoint()
+		game.proposal = { other, state: game.state }
+		game.state = "validate_combat_fail"
+	},
+}
+
+states.validate_combat_fail = {
+	dont_snap: true,
+	inactive: "combat",
+	prompt() {
+		prompt("Combat promise to " + power_name[game.proposal.other] + " was not kept.")
+		view.actions.resume = 1
+		view.actions.undo = 0
+	},
+	resume() {
+		game.state = game.proposal.state
+		delete game.proposal
+	},
+}
+
 /* VALIDATE: RETREAT */
 
 function goto_validate_retreat() {
-- 
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