diff --git a/buildcraft_resources/changelog/7.0.17 b/buildcraft_resources/changelog/7.0.17
new file mode 100644
index 00000000..bffa2d71
--- /dev/null
+++ b/buildcraft_resources/changelog/7.0.17
@@ -0,0 +1,5 @@
+Bugs fixed:
+
+* [#2892] Disconnect on large-resolution Zone Planner fullscreen (asie)
+* [#2891] Boxes ignoring the south and east boundaries when rounding (hea3ven)
+* Accidentally setting an area in the Zone Planner GUI upon pressing fullscreen (asie)
diff --git a/common/buildcraft/robotics/gui/ContainerZonePlan.java b/common/buildcraft/robotics/gui/ContainerZonePlan.java
index f62afb2f..ce050cef 100755
--- a/common/buildcraft/robotics/gui/ContainerZonePlan.java
+++ b/common/buildcraft/robotics/gui/ContainerZonePlan.java
@@ -27,8 +27,10 @@ import buildcraft.core.lib.network.command.PacketCommand;
 import buildcraft.core.lib.render.DynamicTextureBC;
 import buildcraft.core.lib.utils.NetworkUtils;
 import buildcraft.robotics.TileZonePlan;
+import buildcraft.robotics.map.MapWorld;
 
 public class ContainerZonePlan extends BuildCraftContainer implements ICommandReceiver {
+	private static final int MAX_PACKET_LENGTH = 30000;
 
 	public DynamicTextureBC mapTexture;
 	public ZonePlan currentAreaSelection;
@@ -92,9 +94,10 @@ public class ContainerZonePlan extends BuildCraftContainer implements ICommandRe
 				gui.refreshSelectedArea();
 			} else if ("receiveImage".equals(command)) {
 				int size = stream.readUnsignedMedium();
+				int pos = stream.readUnsignedMedium();
 
-				for (int i = 0; i < size; ++i) {
-					mapTexture.colorMap[i] = 0xFF000000 | MapColor.mapColorArray[stream.readUnsignedByte()].colorValue;
+				for (int i = 0; i < Math.min(size - pos, MAX_PACKET_LENGTH); ++i) {
+					mapTexture.colorMap[pos + i] = 0xFF000000 | MapColor.mapColorArray[stream.readUnsignedByte()].colorValue;
 				}
 			}
 		} else if (side.isServer()) {
@@ -123,28 +126,36 @@ public class ContainerZonePlan extends BuildCraftContainer implements ICommandRe
 	private void computeMap(int cx, int cz, int width, int height, int blocksPerPixel, EntityPlayer player) {
 		final byte[] textureData = new byte[width * height];
 
+		MapWorld w = BuildCraftRobotics.manager.getWorld(map.getWorldObj());
 		int startX = cx - width * blocksPerPixel / 2;
 		int startZ = cz - height * blocksPerPixel / 2;
+		int mapStartX = (map.chunkStartX << 4);
+		int mapStartZ = (map.chunkStartZ << 4);
 
 		for (int i = 0; i < width; ++i) {
 			for (int j = 0; j < height; ++j) {
 				int x = startX + i * blocksPerPixel;
 				int z = startZ + j * blocksPerPixel;
-				int ix = x - (map.chunkStartX << 4);
-				int iz = z - (map.chunkStartZ << 4);
+				int ix = x - mapStartX;
+				int iz = z - mapStartZ;
 
 				if (ix >= 0 && iz >= 0 && ix < TileZonePlan.RESOLUTION && iz < TileZonePlan.RESOLUTION) {
-					textureData[i + j * width] = (byte) BuildCraftRobotics.manager.getWorld(map.getWorldObj())
-							.getColor(x, z);
+					textureData[i + j * width] = (byte) w.getColor(x, z);
 				}
 			}
 		}
 
-		BuildCraftCore.instance.sendToPlayer(player, new PacketCommand(this, "receiveImage", new CommandWriter() {
-			public void write(ByteBuf data) {
-				data.writeMedium(textureData.length);
-				data.writeBytes(textureData);
-			}
-		}));
+		final int len = MAX_PACKET_LENGTH;
+
+		for (int i = 0; i < textureData.length; i += len) {
+			final int pos = i;
+			BuildCraftCore.instance.sendToPlayer(player, new PacketCommand(this, "receiveImage", new CommandWriter() {
+				public void write(ByteBuf data) {
+					data.writeMedium(textureData.length);
+					data.writeMedium(pos);
+					data.writeBytes(textureData, pos, Math.min(textureData.length - pos, len));
+				}
+			}));
+		}
 	}
 }
diff --git a/common/buildcraft/robotics/gui/GuiZonePlan.java b/common/buildcraft/robotics/gui/GuiZonePlan.java
index c6ae18a0..e68d2c92 100755
--- a/common/buildcraft/robotics/gui/GuiZonePlan.java
+++ b/common/buildcraft/robotics/gui/GuiZonePlan.java
@@ -234,10 +234,6 @@ public class GuiZonePlan extends GuiAdvancedInterface {
 
 	@Override
 	protected void mouseClicked(int mouseX, int mouseY, int mouseButton) {
-		super.mouseClicked(mouseX, mouseY, mouseButton);
-
-		textField.mouseClicked(mouseX - guiLeft, mouseY - guiTop, mouseButton);
-
 		int blocksX = (mouseX - mapXMin) * zoomLevel;
 		int blocksZ = (mouseY - mapYMin) * zoomLevel;
 
@@ -255,22 +251,27 @@ public class GuiZonePlan extends GuiAdvancedInterface {
 
 				uploadMap();
 				refreshSelectedArea();
+				return;
 			} else {
 				inSelection = true;
 				selX1 = mouseX;
 				selY1 = mouseY;
 				selX2 = 0;
 				selY2 = 0;
+				return;
 			}
-		} else {
-			AdvancedSlot slot = getSlotAtLocation(mouseX, mouseY);
+		}
 
-			if (slot instanceof AreaSlot) {
-				colorSelected = (AreaSlot) slot;
+		super.mouseClicked(mouseX, mouseY, mouseButton);
+		textField.mouseClicked(mouseX - guiLeft, mouseY - guiTop, mouseButton);
 
-				newSelection.setColor(0, 0, colorSelected.color.getDarkHex(), alpha);
-				getContainer().loadArea(colorSelected.color.ordinal());
-			}
+		AdvancedSlot slot = getSlotAtLocation(mouseX, mouseY);
+
+		if (slot instanceof AreaSlot) {
+			colorSelected = (AreaSlot) slot;
+
+			newSelection.setColor(0, 0, colorSelected.color.getDarkHex(), alpha);
+			getContainer().loadArea(colorSelected.color.ordinal());
 		}
 	}