added delete player data option in backup menu

lwjgl-rundir/resources/lang/en_US.lang

@@ -157,6 +157,11 @@ selectWorld.backup.export=Export World Backup
 selectWorld.backup.export.tooltip=Download this world as a compressed backup file
 selectWorld.backup.vanilla=Convert to Vanilla
 selectWorld.backup.vanilla.tooltip=Download this world as a vanilla 1.5.2 world
+selectWorld.backup.clearPlayerData=Delete Player Data
+selectWorld.backup.clearPlayerData.tooltip=Clears the inventories of all players except the owner
+
+selectWorld.backup.clearPlayerData.warning1=Are you sure you want to delete all player data?
+selectWorld.backup.clearPlayerData.warning2=All players in '$world$' will lose their inventories (besides $player$)
 
 selectWorld.create.title=What do you wanna do?
 selectWorld.create.create=Create New World

sp-server/src/ipc/java/net/lax1dude/eaglercraft/sp/ipc/IPCPacket18ClearPlayers.java

@@ -0,0 +1,40 @@
+package net.lax1dude.eaglercraft.sp.ipc;
+
+import java.io.DataInput;
+import java.io.DataOutput;
+import java.io.IOException;
+
+public class IPCPacket18ClearPlayers implements IPCPacketBase {
+	
+	public static final int ID = 0x18;
+	
+	public String worldName = null;
+	
+	public IPCPacket18ClearPlayers(String worldName) {
+		this.worldName = worldName;
+	}
+	
+	public IPCPacket18ClearPlayers() {
+	}
+
+	@Override
+	public void deserialize(DataInput bin) throws IOException {
+		worldName = bin.readUTF();
+	}
+
+	@Override
+	public void serialize(DataOutput bin) throws IOException {
+		bin.writeUTF(worldName);
+	}
+
+	@Override
+	public int id() {
+		return ID;
+	}
+
+	@Override
+	public int size() {
+		return IPCPacketBase.strLen(worldName);
+	}
+
+}

sp-server/src/ipc/java/net/lax1dude/eaglercraft/sp/ipc/IPCPacketManager.java

@@ -39,6 +39,7 @@ public class IPCPacketManager {
 		mappings.put(IPCPacket15ThrowException.ID, () -> new IPCPacket15ThrowException());
 		mappings.put(IPCPacket16NBTList.ID, () -> new IPCPacket16NBTList());
 		mappings.put(IPCPacket17ConfigureLAN.ID, () -> new IPCPacket17ConfigureLAN());
+		mappings.put(IPCPacket18ClearPlayers.ID, () -> new IPCPacket18ClearPlayers());
 		mappings.put(IPCPacketFFProcessKeepAlive.ID, () -> new IPCPacketFFProcessKeepAlive());
 	}
 	

sp-server/src/main/java/net/lax1dude/eaglercraft/sp/IntegratedServer.java

@@ -663,6 +663,11 @@ public class IntegratedServer {
 						currentProcess.getConfigurationManager().configureLAN(pkt.gamemode, pkt.cheats, pkt.iceServers);
 					}
 					break;
+					case IPCPacket18ClearPlayers.ID: {
+						SYS.VFS.deleteFiles("worlds/" + ((IPCPacket18ClearPlayers)packet).worldName + "/player");
+						sendIPCPacket(new IPCPacketFFProcessKeepAlive(IPCPacket18ClearPlayers.ID));
+					}
+					break;
 					default:
 						System.err.println("IPC packet type 0x" + Integer.toHexString(id) + " class '" + packet.getClass().getSimpleName() + "' was not handled");
 						sendTaskFailed();

src/main/java/net/lax1dude/eaglercraft/GuiScreenBackupWorld.java

@@ -5,6 +5,7 @@ import net.minecraft.src.GuiButton;
 import net.minecraft.src.GuiCreateWorld;
 import net.minecraft.src.GuiRenameWorld;
 import net.minecraft.src.GuiScreen;
+import net.minecraft.src.GuiYesNo;
 import net.minecraft.src.NBTTagCompound;
 import net.minecraft.src.StringTranslate;
 import net.minecraft.src.WorldInfo;
@@ -17,6 +18,7 @@ public class GuiScreenBackupWorld extends GuiScreen {
 	private GuiButton worldDuplicate = null;
 	private GuiButton worldExport = null;
 	private GuiButton worldConvert = null;
+	private GuiButton worldBackup = null;
 	private long worldSeed;
 	private NBTTagCompound levelDat;
 	
@@ -31,29 +33,32 @@ public class GuiScreenBackupWorld extends GuiScreen {
 	
 	public void initGui() {
 		StringTranslate var1 = StringTranslate.getInstance();
-		this.buttonList.add(worldRecreate = new GuiButton(1, this.width / 2 - 100, this.height / 5 + 40, var1.translateKey("selectWorld.backup.recreate")));
+		this.buttonList.add(worldRecreate = new GuiButton(1, this.width / 2 - 100, this.height / 5 + 15, var1.translateKey("selectWorld.backup.recreate")));
-		this.buttonList.add(worldDuplicate = new GuiButton(2, this.width / 2 - 100, this.height / 5 + 65, var1.translateKey("selectWorld.backup.duplicate")));
+		this.buttonList.add(worldDuplicate = new GuiButton(2, this.width / 2 - 100, this.height / 5 + 40, var1.translateKey("selectWorld.backup.duplicate")));
-		this.buttonList.add(worldExport = new GuiButton(3, this.width / 2 - 100, this.height / 5 + 115, var1.translateKey("selectWorld.backup.export")));
+		this.buttonList.add(worldExport = new GuiButton(3, this.width / 2 - 100, this.height / 5 + 90, var1.translateKey("selectWorld.backup.export")));
-		this.buttonList.add(worldConvert = new GuiButton(4, this.width / 2 - 100, this.height / 5 + 140, var1.translateKey("selectWorld.backup.vanilla")));
+		this.buttonList.add(worldConvert = new GuiButton(4, this.width / 2 - 100, this.height / 5 + 115, var1.translateKey("selectWorld.backup.vanilla")));
-		this.buttonList.add(new GuiButton(0, this.width / 2 - 100, this.height / 4 + 160, var1.translateKey("gui.cancel")));
+		this.buttonList.add(worldBackup = new GuiButton(5, this.width / 2 - 100, this.height / 5 + 146, var1.translateKey("selectWorld.backup.clearPlayerData")));
+		this.buttonList.add(new GuiButton(0, this.width / 2 - 100, this.height / 4 + 165, var1.translateKey("gui.cancel")));
 	}
 	
 	public void drawScreen(int par1, int par2, float par3) {
 		StringTranslate var4 = StringTranslate.getInstance();
 		this.drawDefaultBackground();
 
-		this.drawCenteredString(this.fontRenderer, var4.translateKey("selectWorld.backup.title") + " '" + worldName + "'", this.width / 2, this.height / 5, 16777215);
+		this.drawCenteredString(this.fontRenderer, var4.translateKey("selectWorld.backup.title") + " '" + worldName + "'", this.width / 2, this.height / 5 - 25, 16777215);
-		this.drawCenteredString(this.fontRenderer, var4.translateKey("selectWorld.backup.seed") + " " + worldSeed, this.width / 2, this.height / 5 + 97, 0xAAAAFF);
+		this.drawCenteredString(this.fontRenderer, var4.translateKey("selectWorld.backup.seed") + " " + worldSeed, this.width / 2, this.height / 5 + 72, 0xAAAAFF);
 		
 		int toolTipColor = 0xDDDDAA;
 		if(worldRecreate.func_82252_a()) {
-			this.drawCenteredString(this.fontRenderer, var4.translateKey("selectWorld.backup.recreate.tooltip"), this.width / 2, this.height / 5 + 20, toolTipColor);
+			this.drawCenteredString(this.fontRenderer, var4.translateKey("selectWorld.backup.recreate.tooltip"), this.width / 2, this.height / 5 - 2, toolTipColor);
 		}else if(worldDuplicate.func_82252_a()) {
-			this.drawCenteredString(this.fontRenderer, var4.translateKey("selectWorld.backup.duplicate.tooltip"), this.width / 2, this.height / 5 + 20, toolTipColor);
+			this.drawCenteredString(this.fontRenderer, var4.translateKey("selectWorld.backup.duplicate.tooltip"), this.width / 2, this.height / 5 - 2, toolTipColor);
 		}else if(worldExport.func_82252_a()) {
-			this.drawCenteredString(this.fontRenderer, var4.translateKey("selectWorld.backup.export.tooltip"), this.width / 2, this.height / 5 + 20, toolTipColor);
+			this.drawCenteredString(this.fontRenderer, var4.translateKey("selectWorld.backup.export.tooltip"), this.width / 2, this.height / 5 - 2, toolTipColor);
 		}else if(worldConvert.func_82252_a()) {
-			this.drawCenteredString(this.fontRenderer, var4.translateKey("selectWorld.backup.vanilla.tooltip"), this.width / 2, this.height / 5 + 20, toolTipColor);
+			this.drawCenteredString(this.fontRenderer, var4.translateKey("selectWorld.backup.vanilla.tooltip"), this.width / 2, this.height / 5 - 2, toolTipColor);
+		}else if(worldBackup.func_82252_a()) {
+			this.drawCenteredString(this.fontRenderer, var4.translateKey("selectWorld.backup.clearPlayerData.tooltip"), this.width / 2, this.height / 5 - 2, toolTipColor);
 		}
 		
 		super.drawScreen(par1, par2, par3);
@@ -88,6 +93,17 @@ public class GuiScreenBackupWorld extends GuiScreen {
 				}
 				return false;
 			}));
+		}else if(par1GuiButton.id == 5) {
+			StringTranslate var4 = StringTranslate.getInstance();
+			this.mc.displayGuiScreen(new GuiYesNo(this, var4.translateKey("selectWorld.backup.clearPlayerData.warning1"),
+					var4.translateKey("selectWorld.backup.clearPlayerData.warning2").replace("$world$", worldName).replace("$player$", EaglerProfile.username), 0));
 		}
 	}
+	
+	public void confirmClicked(boolean par1, int par2) {
+		if(par1) {
+			IntegratedServer.clearPlayerData(worldName);
+		}
+		mc.displayGuiScreen(this);
+	}
 }

src/main/java/net/lax1dude/eaglercraft/IntegratedServer.java

@@ -312,6 +312,7 @@ public class IntegratedServer {
 							case IPCPacket07ImportWorld.ID:
 							case IPCPacket12FileWrite.ID:
 							case IPCPacket13FileCopyMove.ID:
+							case IPCPacket18ClearPlayers.ID:
 								statusState = IntegratedState.WORLD_NONE;
 								break;
 							default:
@@ -442,4 +443,10 @@ public class IntegratedServer {
 		sendIPCPacket(new IPCPacket17ConfigureLAN(enumGameType.getID(), allowCommands, IntegratedServerLAN.currentICEServers));
 	}
 
+	public static void clearPlayerData(String worldName) {
+		ensureReady();
+		statusState = IntegratedState.WORLD_CLEAR_PLAYERS;
+		sendIPCPacket(new IPCPacket18ClearPlayers(worldName));
+	}
+	
 }

src/main/java/net/lax1dude/eaglercraft/IntegratedState.java

@@ -25,6 +25,7 @@ public class IntegratedState {
 	public static final int WORLD_FILE_WRITE = 17;
 	public static final int WORLD_FILE_MOVE = 18;
 	public static final int WORLD_FILE_COPY = 19;
+	public static final int WORLD_CLEAR_PLAYERS = 20;
 	
 	public static String getStateName(int i) {
 		switch(i) {
@@ -48,6 +49,7 @@ public class IntegratedState {
 		case WORLD_FILE_WRITE: return "WORLD_FILE_WRITE";
 		case WORLD_FILE_MOVE: return "WORLD_FILE_MOVE";
 		case WORLD_FILE_COPY: return "WORLD_FILE_COPY";
+		case WORLD_CLEAR_PLAYERS: return "WORLD_CLEAR_PLAYERS";
 		default: return "INVALID";
 		}
 	}
@@ -63,6 +65,7 @@ public class IntegratedState {
 		case IPCPacket0BPause.ID: return (state == WORLD_SAVING || state == WORLD_PAUSED);
 		case IPCPacket12FileWrite.ID: return state == WORLD_FILE_WRITE;
 		case IPCPacket13FileCopyMove.ID: return (state == WORLD_FILE_MOVE || state == WORLD_FILE_COPY);
+		case IPCPacket18ClearPlayers.ID: return state == WORLD_CLEAR_PLAYERS;
 		default: return false;
 		}
 	}