Added version checker

src/main/java/techreborn/Core.java

@@ -35,6 +35,7 @@ import techreborn.packets.PacketPipeline;
 import techreborn.proxies.CommonProxy;
 import techreborn.tiles.idsu.IDSUManager;
 import techreborn.util.LogHelper;
+import techreborn.util.VersionChecker;
 import techreborn.world.TROreGen;
 
 import java.io.File;
@@ -51,6 +52,8 @@ public class Core {
 
     public static final PacketPipeline packetPipeline = new PacketPipeline();
 
+	public VersionChecker versionChecker;
+
 	@Mod.EventHandler
 	public void preinit(FMLPreInitializationEvent event){
 		INSTANCE = this;
@@ -58,12 +61,15 @@ public class Core {
 				.replace(ModInfo.MOD_ID, "TechReborn");
 
 		config = ConfigTechReborn.initialize(new File(path));
-		LogHelper.info("PreInitialization Complete");
+
 		for(ICompatModule compatModule : CompatManager.INSTANCE.compatModules){
 			compatModule.preInit(event);
 		}
 
         RecipeConfigManager.load(event.getModConfigurationDirectory());
+		versionChecker = new VersionChecker("TechReborn");
+		versionChecker.checkVersionThreaded();
+		LogHelper.info("PreInitialization Complete");
 	}
 
 	@Mod.EventHandler

src/main/java/techreborn/client/VersionCheckerClient.java

@@ -0,0 +1,44 @@
+package techreborn.client;
+
+import cpw.mods.fml.client.GuiModList;
+import cpw.mods.fml.common.eventhandler.SubscribeEvent;
+import net.minecraft.util.ResourceLocation;
+import net.minecraftforge.client.event.GuiScreenEvent;
+import org.lwjgl.opengl.GL11;
+import techreborn.Core;
+
+import java.awt.*;
+
+public class VersionCheckerClient {
+	ResourceLocation texture;
+
+	public VersionCheckerClient() {
+			texture = new ResourceLocation("textures/gui/demo_background.png");
+	}
+
+	@SubscribeEvent
+	public void drawGui(GuiScreenEvent.DrawScreenEvent event){
+		if(event.gui instanceof GuiModList){
+			String s = "";
+			if(Core.INSTANCE.versionChecker.isChecking){
+				s = "Checking for update...";
+			} else if(Core.INSTANCE.versionChecker.isLatestVersion()){
+				s = "You have the latest version of TechReborn";
+			} else{
+				s = "There is an update for TechReborn with " + Core.INSTANCE.versionChecker.getChangeLogSinceCurrentVersion().size() + " changes.";
+			}
+			event.gui.drawString(event.gui.mc.fontRenderer, s, 10, 5, Color.white.getRGB());
+		}
+		if(!Core.INSTANCE.versionChecker.isLatestVersion()){
+			if(event.mouseY < 20){
+				GuiUtil.drawTooltipBox(5, 15, 330, Core.INSTANCE.versionChecker.getChangeLogSinceCurrentVersion().size() * 10 + 5);
+				int y = 20;
+				for(String change : Core.INSTANCE.versionChecker.getChangeLogSinceCurrentVersion()){
+					event.gui.drawString(event.gui.mc.fontRenderer, change, 10, y, Color.white.getRGB());
+					y+= 10;
+				}
+			}
+		}
+
+	}
+}

src/main/java/techreborn/proxies/ClientProxy.java

@@ -3,6 +3,7 @@ package techreborn.proxies;
 import cpw.mods.fml.client.registry.ClientRegistry;
 import net.minecraftforge.common.MinecraftForge;
 import techreborn.client.IconSupplier;
+import techreborn.client.VersionCheckerClient;
 import techreborn.client.hud.ChargeHud;
 import techreborn.client.keybindings.KeyBindings;
 
@@ -14,6 +15,7 @@ public class ClientProxy extends CommonProxy {
         super.init();
         MinecraftForge.EVENT_BUS.register(new IconSupplier());
         MinecraftForge.EVENT_BUS.register(new ChargeHud());
+		MinecraftForge.EVENT_BUS.register(new VersionCheckerClient());
         ClientRegistry.registerKeyBinding(KeyBindings.config);
     }
 }

src/main/java/techreborn/util/VersionChecker.java

@@ -0,0 +1,131 @@
+package techreborn.util;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.reflect.TypeToken;
+import org.apache.commons.io.IOUtils;
+import techreborn.lib.ModInfo;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.ArrayList;
+
+public class VersionChecker {
+
+	public static final String apiAddress = "http://modmuss50.me/api/v1/version.php";
+
+	public String projectName;
+
+	ArrayList<ModifacationVersionInfo> versions;
+
+	public boolean isChecking;
+
+	public VersionChecker(String projectName) {
+		this.projectName = projectName;
+	}
+
+	public void checkVersion() throws IOException {
+		isChecking = true;
+		URL url = new URL(apiAddress + "?project=" + projectName);
+		URLConnection con = url.openConnection();
+		InputStream in = con.getInputStream();
+		String encoding = con.getContentEncoding();
+		encoding = encoding == null ? "UTF-8" : encoding;
+		String body = IOUtils.toString(in, encoding).replaceAll("<br />", "");
+
+		Gson gson = new Gson();
+		versions = gson.fromJson(body,new TypeToken<ArrayList<ModifacationVersionInfo>>(){}.getType());
+		isChecking = false;
+	}
+
+	public void checkVersionThreaded(){
+		class VersionCheckerThread extends Thread{
+			public void run(){
+				try {
+					checkVersion();
+				} catch (IOException e) {
+					e.printStackTrace();
+				}
+			}
+		}
+		VersionCheckerThread thread = new VersionCheckerThread();
+		thread.start();
+	}
+
+	public boolean isLatestVersion(){
+		if(versions == null || versions.isEmpty()){
+			return true;
+		}
+		return versions.get(0).version.equals(ModInfo.MOD_VERSION);
+	}
+
+	public ModifacationVersionInfo getLatestVersion(){
+		if(versions == null || versions.isEmpty()){
+			return null;
+		}
+		return versions.get(0);
+	}
+
+	public ArrayList<String> getChangeLogSinceCurrentVersion(){
+		ArrayList<String> log = new ArrayList<String>();
+		if(!isLatestVersion()){
+			for(ModifacationVersionInfo version : versions){
+				if(version.version.equals(ModInfo.MOD_VERSION)){
+					break;
+				}
+				log.addAll(version.changeLog);
+			}
+		}
+		return log;
+	}
+
+	static class ModifacationVersionInfo{
+		public String version;
+
+		public String minecraftVersion;
+
+		public ArrayList<String> changeLog;
+
+		public String releaseDate;
+
+		public boolean recommended;
+
+		public ModifacationVersionInfo(String version, String minecraftVersion, ArrayList<String> changeLog, String releaseDate, boolean recommended) {
+			this.version = version;
+			this.minecraftVersion = minecraftVersion;
+			this.changeLog = changeLog;
+			this.releaseDate = releaseDate;
+			this.recommended = recommended;
+		}
+
+		public ModifacationVersionInfo() {
+		}
+	}
+
+	//use this to make an example json file
+	public static void main(String[] args) throws IOException {
+		System.out.println("Generating example json file");
+		ArrayList<ModifacationVersionInfo> infos = new ArrayList<ModifacationVersionInfo>();
+		ArrayList<String> changelog = new ArrayList<String>();
+		changelog.add("A change");
+		changelog.add("Another change");
+
+
+		infos.add(new ModifacationVersionInfo("1.1.1", "1.7.10", changelog, "12th July", true));
+		infos.add(new ModifacationVersionInfo("1.2.0", "1.7.10", changelog, "28th July", true));
+
+		Gson gson = new GsonBuilder().setPrettyPrinting().create();
+		String json = gson.toJson(infos);
+		try {
+			FileWriter writer = new FileWriter(new File("master.json"));
+			writer.write(json);
+			writer.close();
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+	}
+}