From 52812efad52c92402f8a5a1ae2ba55a7c47bc1a8 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ccxvii.net>
Date: Fri, 19 May 2023 11:28:43 +0200
Subject: Remove permanently cards used to advance momentum in the base game.

Track full discard pile, so we know which cards have been removed.
---
 rules.js | 55 +++++++++++++++++++++++++++----------------------------
 1 file changed, 27 insertions(+), 28 deletions(-)

diff --git a/rules.js b/rules.js
index 110edcc..cdcc2c3 100644
--- a/rules.js
+++ b/rules.js
@@ -336,7 +336,7 @@ function versailles_objective_space() {
 
 function discard_card(c) {
 	array_remove_item(player_hand(), c)
-	game.discard = c
+	game.discard.push(c)
 }
 
 function recycle_card(c) {
@@ -344,6 +344,10 @@ function recycle_card(c) {
 	game.strategy_deck.unshift(c)
 }
 
+function remove_card(c) {
+	array_remove_item(player_hand(), c)
+}
+
 function add_political_vp(side, amount) {
 	if (side === COMMUNE) {
 		if (amount > 0)
@@ -1081,6 +1085,13 @@ function player_final_crisis_card() {
 	return game.blue_final
 }
 
+function top_discard() {
+	let n = game.discard.length
+	if (n > 0)
+		return game.discard[n-1]
+	return 0
+}
+
 states.strategy_phase = {
 	inactive: "play a card",
 	prompt() {
@@ -1094,9 +1105,9 @@ states.strategy_phase = {
 			if (final > 0)
 				gen_action_card(final)
 
-			if (game.discard > 0 && !is_neutral_card(game.discard))
-				if (can_play_event(game.discard))
-					gen_action_card(game.discard)
+			if (top_discard() > 0 && !is_neutral_card(top_discard()))
+				if (can_play_event(top_discard()))
+					gen_action_card(top_discard())
 		}
 
 	},
@@ -1105,7 +1116,7 @@ states.strategy_phase = {
 		game.what = c
 		if (c === 17 || c === 34) {
 			game.state = "play_final_discard"
-		} else if (c === game.discard) {
+		} else if (c === top_discard()) {
 			game.state = "play_discard"
 		} else {
 			game.state = "play_card"
@@ -1161,7 +1172,7 @@ states.play_card = {
 		if (game.censorship)
 			recycle_card(game.what)
 		else
-			discard_card(game.what)
+			remove_card(game.what)
 		if (game.active === COMMUNE)
 			game.state = "advance_revolutionary_momentum"
 		else
@@ -3116,14 +3127,10 @@ states.pius_ix = {
 
 function init_karl_marx() {
 	clear_undo()
-	// Draw cards into hand in case a reshuffle is triggered.
-	game.red_hand.push(draw_strategy_card())
-	game.red_hand.push(draw_strategy_card())
-	game.red_hand.push(draw_strategy_card())
 	game.vm.cards = [
-		game.red_hand.pop(),
-		game.red_hand.pop(),
-		game.red_hand.pop(),
+		draw_strategy_card(),
+		draw_strategy_card(),
+		draw_strategy_card(),
 	]
 }
 
@@ -3139,7 +3146,7 @@ states.karl_marx_discard = {
 		push_undo()
 		log("Discarded C" + c + ".")
 		array_remove_item(game.vm.cards, c)
-		game.discard = c
+		game.discard.push(c)
 		if (game.vm.cards.length === 1)
 			game.state = "karl_marx_play"
 	},
@@ -3160,13 +3167,13 @@ states.karl_marx_play = {
 		let c = game.vm.cards[0]
 		push_undo()
 		log("Played C" + c + ".")
-		game.discard = c
+		game.discard.push(c)
 		goto_play_event(c)
 	},
 	card(c) {
 		push_undo()
 		log("Discarded C" + c + ".")
-		game.discard = c
+		game.discard.push(c)
 		vm_next()
 	},
 }
@@ -3302,20 +3309,12 @@ exports.setup = function (seed, scenario, options) {
 	return game
 }
 
-function reshuffle_strategy_deck() {
-	game.discard = 0
-	game.strategy_deck = []
-	for (let c = 1; c <= 41; ++c)
-		if (c !== 17 && c !== 34)
-			if (!game.red_hand.includes(c) && !game.blue_hand.includes(c))
-				game.strategy_deck.push(c)
-	shuffle(game.strategy_deck)
-}
-
 function draw_strategy_card() {
 	if (game.strategy_deck.length === 0) {
 		log("Reshuffled.")
-		reshuffle_strategy_deck()
+		game.strategy_deck = game.discard
+		game.discard = []
+		shuffle(game.strategy_deck)
 	}
 	return game.strategy_deck.pop()
 }
@@ -3350,7 +3349,7 @@ exports.view = function (state, player) {
 
 		pieces: game.pieces,
 
-		discard: game.discard,
+		discard: top_discard(),
 		hand: 0,
 		final: 0,
 		set_aside: 0,
-- 
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