Fix ore not synced to client in some cases

Signed-off-by: Glease <4586901+Glease@users.noreply.github.com>

1 files changed, 13 insertions, 1 deletions

diff --git a/src/main/java/gregtech/common/blocks/GT_TileEntity_Ores.java b/src/main/java/gregtech/common/blocks/GT_TileEntity_Ores.java
index 6c4a03420d..b7387f23af 100644
--- a/src/main/java/gregtech/common/blocks/GT_TileEntity_Ores.java
+++ b/src/main/java/gregtech/common/blocks/GT_TileEntity_Ores.java
@@ -132,7 +132,19 @@ public class GT_TileEntity_Ores extends TileEntity implements ITexturedTileEntit
 
     public Packet getDescriptionPacket() {
         if (!this.worldObj.isRemote) {
-            if ((this.mBlocked == (GT_Utility.isOpaqueBlock(this.worldObj, this.xCoord + 1, this.yCoord, this.zCoord)) && (GT_Utility.isOpaqueBlock(this.worldObj, this.xCoord - 1, this.yCoord, this.zCoord)) && (GT_Utility.isOpaqueBlock(this.worldObj, this.xCoord, this.yCoord + 1, this.zCoord)) && (GT_Utility.isOpaqueBlock(this.worldObj, this.xCoord, this.yCoord - 1, this.zCoord)) && (GT_Utility.isOpaqueBlock(this.worldObj, this.xCoord, this.yCoord, this.zCoord + 1)) && (GT_Utility.isOpaqueBlock(this.worldObj, this.xCoord, this.yCoord, this.zCoord - 1)) ? 1 : 0) == 0) {
+            /**
+             * mBlocked == true means every surrounding block is solid, so this ore is hidden and no need to display it to client
+             * here we check if surrounding has changed. if yes then send a packet and update the state, otherwise do nothing.
+             */
+            if (this.mBlocked != (
+                    GT_Utility.isOpaqueBlock(this.worldObj, this.xCoord + 1, this.yCoord, this.zCoord) &&
+                    GT_Utility.isOpaqueBlock(this.worldObj, this.xCoord - 1, this.yCoord, this.zCoord) &&
+                    GT_Utility.isOpaqueBlock(this.worldObj, this.xCoord, this.yCoord + 1, this.zCoord) &&
+                    GT_Utility.isOpaqueBlock(this.worldObj, this.xCoord, this.yCoord - 1, this.zCoord) &&
+                    GT_Utility.isOpaqueBlock(this.worldObj, this.xCoord, this.yCoord, this.zCoord + 1) &&
+                    GT_Utility.isOpaqueBlock(this.worldObj, this.xCoord, this.yCoord, this.zCoord - 1)
+            )) {
+                this.mBlocked = !this.mBlocked;
                 GT_Values.NW.sendPacketToAllPlayersInRange(this.worldObj, new GT_Packet_Ores(this.xCoord, (short) this.yCoord, this.zCoord, this.mMetaData), this.xCoord, this.zCoord);
             }
         }