From 750134aa2c8a249c140a7aefd04ea3d260653adc Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ccxvii.net>
Date: Fri, 10 Jun 2022 00:27:17 +0200
Subject: Add event card house rules.

---
 create.html | 17 ++++++++++++++
 rules.js    | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-------
 2 files changed, 84 insertions(+), 8 deletions(-)

diff --git a/create.html b/create.html
index 090b354..3ff4b7a 100644
--- a/create.html
+++ b/create.html
@@ -10,6 +10,7 @@ Players may swap any blocks on the map as long as the original number of
 deployed blocks in each city is maintained.
 </dl>
 
+<p>
 Optional rules:
 <dl>
 <dt>
@@ -17,3 +18,19 @@ Optional rules:
 <dd>
 Julius Caesar goes first on the first turn regardless of the cards played.
 </dl>
+
+<p>
+House rules:
+<br><label><input type="checkbox" name="max_2_events" value="true">Max 2 event cards per hand.</label>
+<br><label><input type="checkbox" name="remove_jupiter" value="true">Remove Jupiter.</label>
+<br><label><input type="checkbox" name="remove_vulcan" value="true">Remove Vulcan.</label>
+<br><label><input type="checkbox" name="remove_all_events" value="true">Remove all events.</label>
+<!--
+<br><label><input type="checkbox" name="remove_apollo" value="true">Remove Apollo.</label>
+<br><label><input type="checkbox" name="remove_jupiter" value="true">Remove Jupiter.</label>
+<br><label><input type="checkbox" name="remove_mercury" value="true">Remove Mercury.</label>
+<br><label><input type="checkbox" name="remove_mars" value="true">Remove Mars.</label>
+<br><label><input type="checkbox" name="remove_neptune" value="true">Remove Neptune.</label>
+<br><label><input type="checkbox" name="remove_pluto" value="true">Remove Pluto.</label>
+<br><label><input type="checkbox" name="remove_vulcan" value="true">Remove Vulcan.</label>
+-->
diff --git a/rules.js b/rules.js
index cb1c41e..182f1cb 100644
--- a/rules.js
+++ b/rules.js
@@ -14,6 +14,12 @@ exports.roles = [
 const { CARDS, SPACES, EDGES, BLOCKS } = require('./data');
 
 const APOLLO = 1;
+const JUPITER = 2;
+const MARS = 3;
+const MERCURY = 4;
+const NEPTUNE = 5;
+const PLUTO = 6;
+const VULCAN = 7;
 
 const OBSERVER = "Observer";
 const BOTH = "Both";
@@ -188,16 +194,23 @@ function roll_d6() {
 function reset_deck() {
 	let deck = [];
 	for (let c = 1; c <= 27; ++c)
-		deck.push(c);
+		if (!game.removed || !game.removed.includes(c))
+			deck.push(c);
 	return deck;
 }
 
 function deal_cards(deck, n) {
 	let hand = [];
-	for (let i = 0; i < n; ++i) {
+	let events = 0;
+	let max_events = (game.max_2_events ? 2 : n);
+	while (hand.length < n) {
 		let c = random(deck.length);
-		hand.push(deck[c]);
-		deck.splice(c, 1);
+		if (events < max_events || deck[c] > 7) {
+			if (deck[c] <= 7)
+				++events;
+			hand.push(deck[c]);
+			deck.splice(c, 1);
+		}
 	}
 	return hand;
 }
@@ -2493,14 +2506,60 @@ exports.setup = function (seed, scenario, options) {
 		log: [],
 	};
 
-	if (options && options.tournament) {
-		log("Tournament rule:\nCaesar is the first player on the very first turn of the game.");
-		logbr();
+	if (options.tournament) {
+		log("Caesar goes first on the first turn regardless of the cards played.");
 		game.tournament = 1;
 	}
 
+	if (options.max_2_events) {
+		log("At most 2 events per hand.");
+		game.max_2_events = 1;
+	}
+
+	game.removed = [];
+
+	if (options.remove_apollo || options.remove_all_events) {
+		log("Apollo removed from deck.");
+		game.removed.push(APOLLO);
+	}
+
+	if (options.remove_jupiter || options.remove_all_events) {
+		log("Jupiter removed from deck.");
+		game.removed.push(JUPITER);
+	}
+
+	if (options.remove_mars || options.remove_all_events) {
+		log("Mars removed from deck.");
+		game.removed.push(MARS);
+	}
+
+	if (options.remove_mercury || options.remove_all_events) {
+		log("Mercury removed from deck.");
+		game.removed.push(MERCURY);
+	}
+
+	if (options.remove_neptune || options.remove_all_events) {
+		log("Neptune removed from deck.");
+		game.removed.push(NEPTUNE);
+	}
+
+	if (options.remove_pluto || options.remove_all_events) {
+		log("Pluto removed from deck.");
+		game.removed.push(PLUTO);
+	}
+
+	if (options.remove_vulcan || options.remove_all_events) {
+		log("Vulcan removed from deck.");
+		game.removed.push(VULCAN);
+	}
+
+	if (game.removed.length === 0)
+		delete game.removed;
+
+	logbr();
+
 	// Option for backwards compatible replays.
-	if (options && options.automatic_disruption)
+	if (options.automatic_disruption)
 		game.automatic_disruption = 1;
 
 	setup_historical_deployment();
-- 
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