From 0f6ac5aac4c2bd7eca7ebcf35881237a304057a9 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ccxvii.net>
Date: Mon, 29 May 2023 13:15:14 +0200
Subject: Only use discarded cards played by your opponent this round.

If removing a card to advance momentum, disable picking up the last
discard.

If the first play of a round (non-censorship variant) also disable
picking up the last discard from the previous round.
---
 rules.js | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/rules.js b/rules.js
index 9fc4317..a5efb21 100644
--- a/rules.js
+++ b/rules.js
@@ -330,6 +330,7 @@ function versailles_objective_space() {
 // === GAME STATE ===
 
 function discard_card(c) {
+	game.can_use_discard = 1
 	array_remove_item(player_hand(), c)
 	game.discard.push(c)
 }
@@ -1012,6 +1013,7 @@ states.initiative_phase = {
 
 function end_initiative_phase() {
 	game.active = game.initiative
+	game.can_use_discard = 0
 	if (game.round === 4)
 		goto_final_crisis_events()
 	else if (game.censorship)
@@ -1108,10 +1110,12 @@ states.strategy_phase = {
 			if (final > 0)
 				gen_action_card(final)
 
-			let top = top_discard()
-			if (top > 0 && !is_neutral_card(top) && can_pay_for_discard(top))
-				if (can_play_event(top))
-					gen_action_card(top)
+			if (game.can_use_discard) {
+				let top = top_discard()
+				if (top > 0 && !is_neutral_card(top) && can_pay_for_discard(top))
+					if (can_play_event(top))
+						gen_action_card(top)
+			}
 		}
 
 	},
@@ -1173,6 +1177,7 @@ states.play_card = {
 		push_undo()
 		log_h3(game.active + " - Momentum")
 		logi("C" + game.what)
+		game.can_use_discard = 0
 		if (game.censorship)
 			recycle_card(game.what)
 		else
-- 
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