Merge branch '1362-pre-passive-event' into 'temp-v0.5'

Fix #1362 : Adds cancellable event that fires before passives are changed

See merge request Isleward/isleward!448

.gitignore

@@ -1,4 +1,6 @@
 node_modules
+package-lock.json
+
 storage.db
 *.sublime-project
 *.sublime-workspace
@@ -13,4 +15,6 @@ helpers/sqlite-to-rethink/rethinkdb_data
 helpers/sqlite-to-rethink/tmp
 helpers/sqlite-to-rethink/log_file
 helpers/sqlite-to-rethink/rethinkdb.exe
+
 .idea
+.vscode

src/server/components/passives.js

@@ -70,6 +70,16 @@ module.exports = {
 		}, this);
 		if (!linked)
 			return;
+		
+		let passiveResult = {
+			success: true
+		};
+		this.obj.fireEvent('onBeforePassivesChange', passiveResult, node);
+		if (!passiveResult.success)
+			return;
+		this.obj.instance.eventEmitter.emitNoSticky('onBeforePlayerPassivesChange', passiveResult, this.obj, node);
+		if (!passiveResult.success)
+			return;
 
 		this.points--;
 		this.obj.syncer.set(true, 'passives', 'points', this.points);
@@ -87,6 +97,16 @@ module.exports = {
 	},
 
 	untickNode: function (msg) {
+		let passiveResult = {
+			success: true
+		};
+		this.obj.fireEvent('onBeforePassivesChange', passiveResult);
+		if (!passiveResult.success)
+			return;
+		this.obj.instance.eventEmitter.emitNoSticky('onBeforePlayerPassivesChange', passiveResult, this.obj);
+		if (!passiveResult.success)
+			return;
+
 		let stats = this.obj.stats;
 
 		this.selected.forEach(function (s) {