Added logger

.gitignore

@@ -16,3 +16,4 @@ bin
 # Ignore MacOS
 **/.DS_Store
 .idea/
+run/

README.md

@@ -43,3 +43,4 @@ plugins {
 * Trove4j
 * java-graphics/glm - GLM ported to Java. _Maven Central contains an outdated version, a custom repository used instead_
 * Apache Commons Math (_not currently used_)
+* log4j

build.gradle

@@ -17,7 +17,11 @@ dependencies {
     
     implementation 'ru.windcorp.fork.io.github.java-graphics:glm:1.0.1'
 
-    testImplementation 'junit:junit:4.12'
+	// log4j
+	compile group: 'org.apache.logging.log4j', name: 'log4j-api', version: '2.13.3'
+	compile group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.13.3'
+
+	testImplementation 'junit:junit:4.12'
 }
 
 /*
@@ -70,4 +74,6 @@ dependencies {
 	runtimeOnly "org.lwjgl:lwjgl-par::$lwjglNatives"
 	runtimeOnly "org.lwjgl:lwjgl-stb::$lwjglNatives"
 	if (lwjglNatives == "natives-macos") runtimeOnly "org.lwjgl:lwjgl-vulkan::$lwjglNatives"
-}
+}
+
+// LWJGL END

src/main/java/ru/windcorp/progressia/client/ProgressiaClientMain.java

@@ -17,11 +17,17 @@
  *******************************************************************************/
 package ru.windcorp.progressia.client;
 
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 import ru.windcorp.progressia.ProgressiaLauncher;
 
 public class ProgressiaClientMain {
 
+	private static final Logger logger = LogManager.getLogger(ProgressiaClientMain.class.getName());
+
 	public static void main(String[] args) {
+		logger.info("App started!");
+
 		ProgressiaLauncher.launch(args, new ClientProxy());
 	}
 	

src/main/resources/log4j2.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="WARN">
+    <Properties>
+        <Property name="LOG_PATTERN">%d{yyyy-MM-dd'T'HH:mm:ss.SSSZ} %p %m%n</Property>
+        <Property name="APP_LOG_ROOT">logs</Property>
+    </Properties>
+
+    <Appenders>
+
+        <Console name="Console" target="SYSTEM_OUT">
+            <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
+        </Console>
+
+        <RollingFile name="FileLog" fileName="${APP_LOG_ROOT}/game.log"
+                     filePattern="${APP_LOG_ROOT}/game-%d{yyyy-MM-dd}-%i.log">
+            <LevelRangeFilter minLevel="FATAL" maxLevel="INFO" onMatch="ACCEPT" onMismatch="DENY"/>
+            <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
+            <Policies>
+                <SizeBasedTriggeringPolicy size="18MB" />
+            </Policies>
+            <DefaultRolloverStrategy max="10"/>
+        </RollingFile>
+
+    </Appenders>
+
+    <Loggers>
+
+        <Root level="info">
+            <AppenderRef ref="FileLog"  />
+            <AppenderRef ref="Console"  />
+        </Root>
+
+    </Loggers>
+</Configuration>