From 0c11181e859d68abff962b5b9065129d4aeaa40c Mon Sep 17 00:00:00 2001
From: AEnterprise <aenterprise2@gmail.com>
Date: Tue, 16 Sep 2014 17:39:18 +0200
Subject: [PATCH] add event to detect and prevent the placement of robots

---
 .../api/events/RobotPlacementEvent.java       | 26 +++++++++++++++++++
 .../transport/BlockGenericPipe.java           |  7 +++++
 2 files changed, 33 insertions(+)
 create mode 100644 api/buildcraft/api/events/RobotPlacementEvent.java

diff --git a/api/buildcraft/api/events/RobotPlacementEvent.java b/api/buildcraft/api/events/RobotPlacementEvent.java
new file mode 100644
index 00000000..294ca37d
--- /dev/null
+++ b/api/buildcraft/api/events/RobotPlacementEvent.java
@@ -0,0 +1,26 @@
+package buildcraft.api.events;
+
+
+import net.minecraft.entity.player.EntityPlayer;
+
+import cpw.mods.fml.common.eventhandler.Cancelable;
+import cpw.mods.fml.common.eventhandler.Event;
+
+/**
+ * Copyright (c) 2014, AEnterprise
+ * http://buildcraftadditions.wordpress.com/
+ * Buildcraft Additions is distributed under the terms of the Minecraft Mod Public
+ * License 1.0, or MMPL. Please check the contents of the license located in
+ * http://buildcraftadditions.wordpress.com/wiki/licensing-stuff/
+ */
+@Cancelable
+public class RobotPlacementEvent extends Event {
+	public EntityPlayer player;
+	public String robotProgram;
+
+	public RobotPlacementEvent(EntityPlayer player, String robotProgram){
+		this.player = player;
+		this.robotProgram = robotProgram;
+	}
+
+}
diff --git a/common/buildcraft/transport/BlockGenericPipe.java b/common/buildcraft/transport/BlockGenericPipe.java
index 25f61d12..fe38f2af 100644
--- a/common/buildcraft/transport/BlockGenericPipe.java
+++ b/common/buildcraft/transport/BlockGenericPipe.java
@@ -30,6 +30,7 @@ import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.init.Items;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.AxisAlignedBB;
 import net.minecraft.util.IIcon;
@@ -49,6 +50,7 @@ import buildcraft.BuildCraftTransport;
 import buildcraft.api.core.BCLog;
 import buildcraft.api.core.BlockIndex;
 import buildcraft.api.events.PipePlacedEvent;
+import buildcraft.api.events.RobotPlacementEvent;
 import buildcraft.api.gates.GateExpansions;
 import buildcraft.api.gates.IGateExpansion;
 import buildcraft.api.tools.IToolWrench;
@@ -786,6 +788,11 @@ public class BlockGenericPipe extends BlockBuildCraft {
 							if (((ItemRobot) currentItem.getItem()).getRobotNBT(currentItem) == null) {
 								return true;
 							}
+							RobotPlacementEvent event = new RobotPlacementEvent(player, ((NBTTagCompound) currentItem.stackTagCompound.getTag("board")).getString("id"));
+							FMLCommonHandler.instance().bus().post(event);
+							if (event.isCanceled()) {
+								return true;
+							}
 							EntityRobot robot = ((ItemRobot) currentItem.getItem())
 									.createRobot(currentItem, world);
 							robot.setUniqueRobotId(robot.getRegistry().getNextRobotId());