From 659ab5a18faaea5f47ebe8d02b47b0d8e696e5f1 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ccxvii.net>
Date: Sat, 19 Jun 2021 12:41:51 +0200
Subject: 300: Show 'ghost' bridge during build phase.

---
 play.html |  6 +++++-
 ui.js     | 16 ++++++++++++++--
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/play.html b/play.html
index 60e64b6..be0a8f9 100644
--- a/play.html
+++ b/play.html
@@ -203,9 +203,13 @@
 .greek_fleet.selected, .persian_fleet.selected, .greek_army.selected, .persian_army.selected {
 	filter: brightness(150%) drop-shadow(0 0 3px white);
 }
-#bridge.enabled {
+#bridge.destroy {
 	filter: brightness(150%) drop-shadow(0 0 10px skyblue);
 }
+#bridge.build {
+	filter: brightness(150%) drop-shadow(0 0 10px white);
+	opacity: 0.5;
+}
 
 #darius { left: 77px; top: 562px; }
 #xerxes { left: 61px; top: 717px; }
diff --git a/ui.js b/ui.js
index b8eb303..2ba20db 100644
--- a/ui.js
+++ b/ui.js
@@ -82,7 +82,10 @@ function on_focus_port(evt) { document.getElementById("status").textContent = ev
 function on_blur(evt) { document.getElementById("status").textContent = ""; }
 
 function on_click_bridge(evt) {
-	send_action('destroy');
+	if (game.actions && game.actions.destroy)
+		send_action('destroy');
+	else if (game.actions && game.actions.build)
+		send_action('build');
 }
 
 function on_click_army(evt) {
@@ -284,7 +287,15 @@ function on_update() {
 	show_action_button("#button_pass", "pass");
 	show_action_button("#button_undo", "undo");
 
-	show_marker("bridge", "bridge", game.trigger.hellespont, game.actions && game.actions.destroy);
+	if (game.actions && game.actions.destroy)
+		document.getElementById("bridge").className = "show destroy";
+	else if (game.actions && game.actions.build)
+		document.getElementById("bridge").className = "show build"
+	else if (game.trigger.hellespont)
+		document.getElementById("bridge").className = "show";
+	else
+		document.getElementById("bridge").className = "";
+
 	show_marker("darius", "persian_army", game.trigger.darius);
 	show_marker("xerxes", "persian_army", game.trigger.xerxes);
 	show_marker("artemisia", "persian_fleet", game.trigger.artemisia);
@@ -292,6 +303,7 @@ function on_update() {
 	show_marker("themistocles", "greek_army", game.trigger.themistocles);
 	show_marker("leonidas", "greek_army", game.trigger.leonidas);
 	show_marker("campaign", "marker campaign_" + game.campaign);
+
 	if (game.vp < 0)
 		show_marker("vp", "marker vp_g" + (-game.vp));
 	else if (game.vp > 0)
-- 
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