Rest of the previous commit, refs #3743.

This was SVN commit r17894.

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

@@ -223,6 +223,16 @@ var g_NotificationsTypes =
 		if (player != g_ViewedPlayer)
 			return;
 
+		// Focus camera on attacks
+		if (g_FollowPlayer)
+		{
+			setCameraFollow(notification.target);
+
+			g_Selection.reset();
+			if (notification.target)
+				g_Selection.addList([notification.target]);
+		}
+
 		if (Engine.ConfigDB_GetValue("user", "gui.session.attacknotificationmessage") !== "true")
 			return;
 
@@ -243,6 +253,42 @@ var g_NotificationsTypes =
 		if (player != Engine.GetPlayerID())
 			return;
 		g_Selection.rebuildSelection({});
+	},
+	"playercommand": function(notification, player)
+	{
+		// For observers, focus the camera on units commanded by the selected player
+		if (!g_FollowPlayer || player != g_ViewedPlayer)
+			return;
+
+		let cmd = notification.cmd;
+
+		// Ignore boring animals
+		let entState = cmd.entities && cmd.entities[0] && GetEntityState(cmd.entities[0]);
+		if (entState && entState.identity && entState.identity.classes &&
+				entState.identity.classes.indexOf("Animal") != -1)
+			return;
+
+		// Focus the building to construct
+		if (cmd.type == "repair")
+		{
+			let targetState = GetEntityState(cmd.target);
+			if (targetState)
+				Engine.CameraMoveTo(targetState.position.x, targetState.position.z);
+		}
+		// Focus commanded entities, but don't lose previous focus when training units
+		else if (cmd.type != "train" && cmd.type != "research" && entState)
+			setCameraFollow(cmd.entities[0]);
+
+		// Select units affected by that command
+		let selection = [];
+		if (cmd.entities)
+			selection = cmd.entities;
+		if (cmd.target)
+			selection.push(cmd.target);
+
+		// Allow gaia in selection when gathering
+		g_Selection.reset();
+		g_Selection.addList(selection, false, cmd.type == "gather");
 	}
 };
 

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

@@ -288,13 +288,13 @@ EntitySelection.prototype.checkRenamedEntities = function()
 /**
  * Add entities to selection. Play selection sound unless quiet is true
  */
-EntitySelection.prototype.addList = function(ents, quiet)
+EntitySelection.prototype.addList = function(ents, quiet, force = false)
 {
 	let selection = this.toList();
 
 	// If someone else's player is the sole selected unit, don't allow adding to the selection
 	let firstEntState = selection.length == 1 && GetEntityState(selection[0]);
-	if (firstEntState && firstEntState.player != g_ViewedPlayer)
+	if (firstEntState && firstEntState.player != g_ViewedPlayer && !force)
 		return;
 
 	let i = 1;
@@ -316,7 +316,7 @@ EntitySelection.prototype.addList = function(ents, quiet)
 		                g_ViewedPlayer == -1 && entState.player == 0;
 
 		// Don't add unowned entities to the list, unless a single entity was selected
-		if (isUnowned && (ents.length > 1 || selection.length))
+		if (isUnowned && (ents.length > 1 || selection.length) && !force)
 			continue;
 
 		added.push(ent);