Show packing/unpacking time in tooltip

Fixes #8929

binaries/data/mods/public/gui/common/tooltips.js

@@ -724,6 +724,17 @@ function getBuildTimeTooltip(entState)
 	return result.join("\n");
 }
 
+function getPackingTooltip(packing, time)
+{
+	return sprintf(translate("%(label)s %(details)s"), {
+		"label": packing ? translate("Pack to Move:") : translate("Unpack to Attack:"),
+		"details": sprintf(translate("%(icon)s\xa0%(second)s"), {
+			"icon": resourceIcon("time"),
+			"second": Math.ceil(time / 1000)
+		})
+	});
+}
+
 /**
  * Multiplies the costs for a template by a given batch size.
  */

binaries/data/mods/public/gui/session/selection_panels.js

@@ -438,6 +438,8 @@ g_SelectionPanels.Pack = {
 			if (!state.pack)
 				continue;
 
+			checks.packTime = state.pack.time;
+
 			if (state.pack.progress == 0)
 			{
 				if (state.pack.packed)
@@ -456,7 +458,7 @@ g_SelectionPanels.Pack = {
 			items.push({
 				"packing": false,
 				"packed": false,
-				"tooltip": translate("Pack"),
+				"tooltip": getPackingTooltip(true, checks.packTime),
 				"callback": function() { packUnit(true); }
 			});
 
@@ -464,7 +466,7 @@ g_SelectionPanels.Pack = {
 			items.push({
 				"packing": false,
 				"packed": true,
-				"tooltip": translate("Unpack"),
+				"tooltip": getPackingTooltip(false, checks.packTime),
 				"callback": function() { packUnit(false); }
 			});
 

binaries/data/mods/public/simulation/components/GuiInterface.js

@@ -329,7 +329,8 @@ GuiInterface.prototype.GetEntityState = function(player, ent)
 	if (cmpPack)
 		ret.pack = {
 			"packed": cmpPack.IsPacked(),
-			"progress": cmpPack.GetProgress()
+			"progress": cmpPack.GetProgress(),
+			"time": cmpPack.GetPackTime()
 		};
 
 	const cmpPopulation = Engine.QueryInterface(ent, IID_Population);