Fix wrong Oregen Pattern on Servers (#2177)

* Update buildscript

* Send oregen pattern to client on login

1 files changed, 56 insertions, 0 deletions

diff --git a/src/main/java/gregtech/api/net/GT_Packet_SendOregenPattern.java b/src/main/java/gregtech/api/net/GT_Packet_SendOregenPattern.java
new file mode 100644
index 0000000000..d03fd1d7f0
--- /dev/null
+++ b/src/main/java/gregtech/api/net/GT_Packet_SendOregenPattern.java
@@ -0,0 +1,56 @@
+package gregtech.api.net;
+
+import net.minecraft.world.IBlockAccess;
+
+import com.google.common.io.ByteArrayDataInput;
+
+import gregtech.api.util.GT_Log;
+import gregtech.common.GT_Worldgenerator;
+import gregtech.common.GT_Worldgenerator.OregenPattern;
+import io.netty.buffer.ByteBuf;
+
+public class GT_Packet_SendOregenPattern extends GT_Packet_New {
+
+    protected OregenPattern pattern = OregenPattern.AXISSYMMETRICAL;
+
+    public GT_Packet_SendOregenPattern() {
+        super(true);
+    }
+
+    public GT_Packet_SendOregenPattern(OregenPattern pattern) {
+        super(false);
+        this.pattern = pattern;
+    }
+
+    @Override
+    public void encode(ByteBuf aOut) {
+        aOut.writeInt(this.pattern.ordinal());
+    }
+
+    @Override
+    public GT_Packet_New decode(ByteArrayDataInput aData) {
+        int ordinal = aData.readInt();
+        // make sure we get valid data:
+        if (ordinal >= 0 && ordinal < OregenPattern.values().length) {
+            return new GT_Packet_SendOregenPattern(OregenPattern.values()[ordinal]);
+        }
+        // invalid data, default to AXISSYMMETRICAL:
+        GT_Log.err.println(
+            String.format(
+                "Received invalid data! Received %d but value must be between 0 and %d! Default (0) will be used.",
+                ordinal,
+                OregenPattern.values().length - 1));
+        return new GT_Packet_SendOregenPattern();
+    }
+
+    @Override
+    public byte getPacketID() {
+        return 19;
+    }
+
+    @Override
+    public void process(IBlockAccess aWorld) {
+        GT_Worldgenerator.oregenPattern = this.pattern;
+    }
+
+}