1 files changed, 104 insertions, 0 deletions
diff --git a/src/main/java/tectech/mechanics/dataTransport/DataPacket.java b/src/main/java/tectech/mechanics/dataTransport/DataPacket.java
new file mode 100644
index 0000000000..96af1f1afb
--- /dev/null
+++ b/src/main/java/tectech/mechanics/dataTransport/DataPacket.java
@@ -0,0 +1,104 @@
+package tectech.mechanics.dataTransport;
+
+import java.util.Collections;
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+import net.minecraft.nbt.NBTTagCompound;
+
+import com.gtnewhorizon.structurelib.util.Vec3Impl;
+
+/**
+ * Created by Tec on 05.04.2017.
+ */
+public abstract class DataPacket<T> {
+
+    private static final byte MAX_HISTORY = 64;
+    private final Set<Vec3Impl> trace = new LinkedHashSet<>();
+
+    protected T content;
+
+    protected DataPacket(T content) {
+        this.content = content;
+    }
+
+    protected DataPacket(NBTTagCompound nbt) {
+        content = contentFromNBT(nbt.getCompoundTag("qContent"));
+        for (int i = 0; i < nbt.getByte("qHistory"); i++) {
+            trace.add(new Vec3Impl(nbt.getInteger("qX" + i), nbt.getInteger("qY" + i), nbt.getInteger("qZ" + i)));
+        }
+    }
+
+    public final NBTTagCompound toNbt() {
+        NBTTagCompound nbt = new NBTTagCompound();
+        NBTTagCompound contentTag = contentToNBT();
+        if (contentTag != null) {
+            nbt.setTag("qContent", contentTag);
+        }
+        nbt.setByte("qHistory", (byte) trace.size());
+        int i = 0;
+        for (Vec3Impl v : trace) {
+            nbt.setInteger("qX" + i, v.get0());
+            nbt.setInteger("qY" + i, v.get1());
+            nbt.setInteger("qZ" + i, v.get2());
+            i++;
+        }
+        return nbt;
+    }
+
+    protected abstract NBTTagCompound contentToNBT();
+
+    protected abstract T contentFromNBT(NBTTagCompound nbt);
+
+    protected abstract T unifyContentWith(T content);
+
+    public final boolean contains(Vec3Impl v) {
+        return trace.contains(v);
+    }
+
+    public final boolean check() {
+        return trace.size() <= MAX_HISTORY;
+    }
+
+    public abstract boolean extraCheck();
+
+    protected final DataPacket<T> unifyTrace(Vec3Impl... positions) {
+        Collections.addAll(trace, positions);
+        return (check() && extraCheck()) ? this : null;
+    }
+
+    protected final DataPacket<T> unifyTrace(DataPacket<T> p) {
+        if (p == null) return this;
+        trace.addAll(p.trace);
+        return (check() && extraCheck()) ? this : null;
+    }
+
+    protected final DataPacket<T> unifyWith(DataPacket<T> p) {
+        if (p == null) return this;
+        trace.addAll(p.trace);
+        if (check() && extraCheck()) {
+            content = unifyContentWith(p.content);
+            return this;
+        }
+        return null;
+    }
+
+    public final T contentIfNotInTrace(Vec3Impl pos) {
+        if (trace.contains(pos)) {
+            return null;
+        }
+        return getContent();
+    }
+
+    public T getContent() {
+        return content;
+    }
+
+    public String getContentString() {
+        return content.toString();
+    }
+
+    public final int getTraceSize() {
+        return trace.size();
+    }
+}