26 files changed, 310 insertions, 60 deletions
diff --git a/src/main/java/net/corechg/transit/Transit.java b/src/main/java/net/corechg/mc/transit/Transit.java
index 3cf4917..36b60bf 100644
--- a/src/main/java/net/corechg/transit/Transit.java
+++ b/src/main/java/net/corechg/mc/transit/Transit.java
@@ -1,7 +1,7 @@
-package net.corechg.transit;
+package net.corechg.mc.transit;
 
 import net.fabricmc.api.ModInitializer;
-import net.corechg.transit.type.group.simple.SimpleGroups;
+import net.corechg.mc.transit.type.group.simple.SimpleGroups;
 
 public class Transit implements ModInitializer {
 	
diff --git a/src/main/java/net/corechg/mc/transit/basic/AbstractAcceptorNode.java b/src/main/java/net/corechg/mc/transit/basic/AbstractAcceptorNode.java
new file mode 100644
index 0000000..d569557
--- /dev/null
+++ b/src/main/java/net/corechg/mc/transit/basic/AbstractAcceptorNode.java
@@ -0,0 +1,51 @@
+package net.corechg.mc.transit.basic;
+
+import net.corechg.mc.transit.network.packet.IStaticPacket;
+import net.corechg.mc.transit.network.system.Connection;
+import net.corechg.mc.transit.network.system.swap.*;
+import net.minecraft.block.entity.BlockEntityType;
+
+public abstract class AbstractAcceptorNode extends AbstractNode implements IAcceptorNode {
+
+    public AbstractAcceptorNode(BlockEntityType<?> type) {
+        super(type);
+	}
+	
+	@Override
+	public abstract <T> boolean accept(IStaticPacket<T> packet, String group);
+
+    @Override
+    public boolean linkProvider(IProviderNode requestor, String group) {
+		if(this.hasGroup(group))
+		{
+			for (Connection c : connections) {
+				if(c.getNode() == requestor)
+					return false;
+			}
+
+			connections.add(new Connection(requestor, (short) 2));
+
+			return true;
+		}
+		
+        return false;
+    }
+
+    @Override
+    public boolean unlinkProvider(IProviderNode requestor) {
+        for (Connection c : connections) {
+			if(c.getNode() == requestor)
+			{
+				if(c.isAccepting())
+					c.setProviding(false);
+				else
+					connections.remove(c);
+				
+				return true;
+			}
+		}
+		
+        return false;
+    }
+    
+}
+\ No newline at end of file
diff --git a/src/main/java/net/corechg/mc/transit/basic/AbstractNode.java b/src/main/java/net/corechg/mc/transit/basic/AbstractNode.java
new file mode 100644
index 0000000..01c537c
--- /dev/null
+++ b/src/main/java/net/corechg/mc/transit/basic/AbstractNode.java
@@ -0,0 +1,45 @@
+package net.corechg.mc.transit.basic;
+
+import java.util.*;
+
+import net.corechg.mc.transit.network.system.*;
+import net.minecraft.block.entity.*;
+
+public abstract class AbstractNode extends BlockEntity implements INode {
+
+    public AbstractNode(BlockEntityType<?> type) {
+        super(type);
+    }
+
+    HashMap<String, Object> data = new HashMap<String, Object>();
+    ArrayList<Connection> connections = new ArrayList<Connection>(0);
+
+    @Override
+    public abstract boolean hasGroup(String groupID);
+
+    @Override
+    public ISystem getSystem() {
+        return null;
+    }
+
+    @Override
+    public Object getData(String groupID) {
+        return data.get(groupID);
+    }
+
+    @Override
+    public void setData(Object dat, String groupID) {
+        data.put(groupID, dat);
+    }
+
+    @Override
+    public Connection[] getConnections() {
+        return (Connection[]) connections.toArray();
+    }
+
+    @Override
+    public int connectionCount() {
+        return connections.size();
+    }
+    
+}
+\ No newline at end of file
diff --git a/src/main/java/net/corechg/mc/transit/basic/AbstractProviderNode.java b/src/main/java/net/corechg/mc/transit/basic/AbstractProviderNode.java
new file mode 100644
index 0000000..7ddc41b
--- /dev/null
+++ b/src/main/java/net/corechg/mc/transit/basic/AbstractProviderNode.java
@@ -0,0 +1,47 @@
+package net.corechg.mc.transit.basic;
+
+import net.corechg.mc.transit.network.system.Connection;
+import net.corechg.mc.transit.network.system.swap.*;
+import net.minecraft.block.entity.BlockEntityType;
+
+public abstract class AbstractProviderNode extends AbstractNode implements IProviderNode {
+
+    public AbstractProviderNode(BlockEntityType<?> type) {
+        super(type);
+    }
+
+    @Override
+    public boolean linkAcceptor(IAcceptorNode requestor, String group) {
+        if(this.hasGroup(group))
+		{
+			for (Connection c : connections) {
+				if(c.getNode() == requestor)
+					return false;
+			}
+
+			connections.add(new Connection(requestor, (short) 1));
+
+			return true;
+		}
+		
+        return false;
+    }
+
+    @Override
+    public boolean unlinkAcceptor(IAcceptorNode requestor) {
+        for (Connection c : connections) {
+			if(c.getNode() == requestor)
+			{
+				if(c.isProviding())
+					c.setAccepting(false);
+				else
+					connections.remove(c);
+				
+				return true;
+			}
+		}
+		
+        return false;
+    }
+    
+}
+\ No newline at end of file
diff --git a/src/main/java/net/corechg/mc/transit/basic/AbstractTwoWayNode.java b/src/main/java/net/corechg/mc/transit/basic/AbstractTwoWayNode.java
new file mode 100644
index 0000000..1d37245
--- /dev/null
+++ b/src/main/java/net/corechg/mc/transit/basic/AbstractTwoWayNode.java
@@ -0,0 +1,47 @@
+package net.corechg.mc.transit.basic;
+
+import net.corechg.mc.transit.network.system.Connection;
+import net.corechg.mc.transit.network.system.swap.*;
+import net.minecraft.block.entity.BlockEntityType;
+
+public abstract class AbstractTwoWayNode extends AbstractAcceptorNode implements IProviderNode {
+
+    public AbstractTwoWayNode(BlockEntityType<?> type) {
+        super(type);
+	}
+
+	@Override
+    public boolean linkAcceptor(IAcceptorNode requestor, String group) {
+        if(this.hasGroup(group))
+		{
+			for (Connection c : connections) {
+				if(c.getNode() == requestor)
+					return false;
+			}
+
+			connections.add(new Connection(requestor, (short) 1));
+
+			return true;
+		}
+		
+        return false;
+    }
+
+    @Override
+    public boolean unlinkAcceptor(IAcceptorNode requestor) {
+        for (Connection c : connections) {
+			if(c.getNode() == requestor)
+			{
+				if(c.isProviding())
+					c.setAccepting(false);
+				else
+					connections.remove(c);
+				
+				return true;
+			}
+		}
+		
+        return false;
+    }
+
+}
+\ No newline at end of file
diff --git a/src/main/java/net/corechg/mc/transit/basic/system/AbstractSystem.java b/src/main/java/net/corechg/mc/transit/basic/system/AbstractSystem.java
new file mode 100644
index 0000000..637a072
--- /dev/null
+++ b/src/main/java/net/corechg/mc/transit/basic/system/AbstractSystem.java
@@ -0,0 +1,13 @@
+package net.corechg.mc.transit.basic.system;
+
+import net.corechg.mc.transit.network.system.*;
+
+public abstract class AbstractSystem implements ISystem {
+
+    @Override
+    public INode[] getNodes() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+    
+}
+\ No newline at end of file
diff --git a/src/main/java/net/corechg/mc/transit/basic/system/AbstractSystemNode.java b/src/main/java/net/corechg/mc/transit/basic/system/AbstractSystemNode.java
new file mode 100644
index 0000000..c65c6a2
--- /dev/null
+++ b/src/main/java/net/corechg/mc/transit/basic/system/AbstractSystemNode.java
@@ -0,0 +1,12 @@
+package net.corechg.mc.transit.basic.system;
+
+import net.corechg.mc.transit.basic.*;
+import net.minecraft.block.entity.BlockEntityType;
+
+public abstract class AbstractSystemNode extends AbstractNode {
+
+	public AbstractSystemNode(BlockEntityType<?> type) {
+		super(type);
+	}
+    
+}
+\ No newline at end of file
diff --git a/src/main/java/net/corechg/transit/network/packet/IStaticPacket.java b/src/main/java/net/corechg/mc/transit/network/packet/IStaticPacket.java
index 74d5110..27dd3fb 100644
--- a/src/main/java/net/corechg/transit/network/packet/IStaticPacket.java
+++ b/src/main/java/net/corechg/mc/transit/network/packet/IStaticPacket.java
@@ -1,6 +1,6 @@
-package net.corechg.transit.network.packet;
+package net.corechg.mc.transit.network.packet;
 
-import net.corechg.transit.type.Type;
+import net.corechg.mc.transit.type.Type;
 
 /** Interface describing an unchanging packet.
  * @author Kyle Gunger
diff --git a/src/main/java/net/corechg/transit/network/packet/MetaPacket.java b/src/main/java/net/corechg/mc/transit/network/packet/MetaPacket.java
index e043aa1..3195198 100644
--- a/src/main/java/net/corechg/transit/network/packet/MetaPacket.java
+++ b/src/main/java/net/corechg/mc/transit/network/packet/MetaPacket.java
@@ -1,6 +1,6 @@
-package net.corechg.transit.network.packet;
+package net.corechg.mc.transit.network.packet;
 
-import net.corechg.transit.type.Type;
+import net.corechg.mc.transit.type.Type;
 
 /** Static packet with extra data attached.
  * @author Kyle Gunger
diff --git a/src/main/java/net/corechg/transit/network/packet/StaticPacket.java b/src/main/java/net/corechg/mc/transit/network/packet/StaticPacket.java
index 2596a8f..cf37b02 100644
--- a/src/main/java/net/corechg/transit/network/packet/StaticPacket.java
+++ b/src/main/java/net/corechg/mc/transit/network/packet/StaticPacket.java
@@ -1,6 +1,6 @@
-package net.corechg.transit.network.packet;
+package net.corechg.mc.transit.network.packet;
 
-import net.corechg.transit.type.Type;
+import net.corechg.mc.transit.type.Type;
 
 /** Simple packet which stores an unchanging value.
  * @author Kyle Gunger
diff --git a/src/main/java/net/corechg/transit/network/packet/dynamic/DynamicPacket.java b/src/main/java/net/corechg/mc/transit/network/packet/dynamic/DynamicPacket.java
index 73f3669..e59a762 100644
--- a/src/main/java/net/corechg/transit/network/packet/dynamic/DynamicPacket.java
+++ b/src/main/java/net/corechg/mc/transit/network/packet/dynamic/DynamicPacket.java
@@ -1,6 +1,6 @@
-package net.corechg.transit.network.packet.dynamic;
+package net.corechg.mc.transit.network.packet.dynamic;
 
-import net.corechg.transit.type.Type;
+import net.corechg.mc.transit.type.Type;
 
 /**
  * Simple packet which stores a fluid value.
diff --git a/src/main/java/net/corechg/transit/network/packet/dynamic/IDynamicPacket.java b/src/main/java/net/corechg/mc/transit/network/packet/dynamic/IDynamicPacket.java
index 6cf3018..096d289 100644
--- a/src/main/java/net/corechg/transit/network/packet/dynamic/IDynamicPacket.java
+++ b/src/main/java/net/corechg/mc/transit/network/packet/dynamic/IDynamicPacket.java
@@ -1,6 +1,6 @@
-package net.corechg.transit.network.packet.dynamic;
+package net.corechg.mc.transit.network.packet.dynamic;
 
-import net.corechg.transit.network.packet.IStaticPacket;
+import net.corechg.mc.transit.network.packet.IStaticPacket;
 
 /** Interface describing a fluid packet.
  * @author Kyle Gunger
diff --git a/src/main/java/net/corechg/transit/network/packet/dynamic/MetaDynamicPacket.java b/src/main/java/net/corechg/mc/transit/network/packet/dynamic/MetaDynamicPacket.java
index 50418b9..fd4c24d 100644
--- a/src/main/java/net/corechg/transit/network/packet/dynamic/MetaDynamicPacket.java
+++ b/src/main/java/net/corechg/mc/transit/network/packet/dynamic/MetaDynamicPacket.java
@@ -1,6 +1,6 @@
-package net.corechg.transit.network.packet.dynamic;
+package net.corechg.mc.transit.network.packet.dynamic;
 
-import net.corechg.transit.type.Type;
+import net.corechg.mc.transit.type.Type;
 
 /** Static packet with extra data attached.
  * @author Kyle Gunger
diff --git a/src/main/java/net/corechg/mc/transit/network/system/Connection.java b/src/main/java/net/corechg/mc/transit/network/system/Connection.java
new file mode 100644
index 0000000..bb53f93
--- /dev/null
+++ b/src/main/java/net/corechg/mc/transit/network/system/Connection.java
@@ -0,0 +1,49 @@
+package net.corechg.mc.transit.network.system;
+
+public class Connection {
+    INode node;
+    short mask;
+
+	public Connection(INode n)
+	{
+		node = n;
+		mask = 0;
+	}
+
+    public Connection(INode n, short m)
+    {
+		node = n;
+		mask = m;
+    }
+
+    public INode getNode()
+    {
+        return node;
+    }
+
+    public boolean isAccepting()
+    {
+        return (mask & 1) == 1;
+    }
+
+    public void setAccepting(boolean value)
+    {
+        if(isAccepting() && value == false)
+            mask -= 1;
+        else if(!isAccepting() && value == true)
+            mask += 1;
+    }
+
+    public boolean isProviding()
+    {
+        return (mask & 2) == 2;
+    }
+
+    public void setProviding(boolean value)
+    {
+        if(isProviding() && value == false)
+            mask -= 2;
+        else if(!isProviding() && value == true)
+            mask += 2;
+    }
+}
+\ No newline at end of file
diff --git a/src/main/java/net/corechg/transit/network/system/INode.java b/src/main/java/net/corechg/mc/transit/network/system/INode.java
index 94ec308..71733e6 100644
--- a/src/main/java/net/corechg/transit/network/system/INode.java
+++ b/src/main/java/net/corechg/mc/transit/network/system/INode.java
@@ -1,4 +1,4 @@
-package net.corechg.transit.network.system;
+package net.corechg.mc.transit.network.system;
 
 /**
  * @author Kyle Gunger
@@ -42,7 +42,7 @@ public interface INode
 	 * 
 	 * @return Node[]
 	 */
-	public INode[] getConnections();
+	public Connection[] getConnections();
 
 
 	/** Get the number of nodes that this node is connected to
diff --git a/src/main/java/net/corechg/transit/network/system/ISystem.java b/src/main/java/net/corechg/mc/transit/network/system/ISystem.java
index 693a3ed..0ebb656 100644
--- a/src/main/java/net/corechg/transit/network/system/ISystem.java
+++ b/src/main/java/net/corechg/mc/transit/network/system/ISystem.java
@@ -1,4 +1,4 @@
-package net.corechg.transit.network.system;
+package net.corechg.mc.transit.network.system;
 
 
 /**
diff --git a/src/main/java/net/corechg/transit/network/system/swap/IAcceptorNode.java b/src/main/java/net/corechg/mc/transit/network/system/swap/IAcceptorNode.java
index 84765ac..61f6022 100644
--- a/src/main/java/net/corechg/transit/network/system/swap/IAcceptorNode.java
+++ b/src/main/java/net/corechg/mc/transit/network/system/swap/IAcceptorNode.java
@@ -1,7 +1,7 @@
-package net.corechg.transit.network.system.swap;
+package net.corechg.mc.transit.network.system.swap;
 
-import net.corechg.transit.network.packet.IStaticPacket;
-import net.corechg.transit.network.system.INode;
+import net.corechg.mc.transit.network.packet.IStaticPacket;
+import net.corechg.mc.transit.network.system.INode;
 
 /**
  * @author Kyle Gunger
@@ -16,21 +16,15 @@ public interface IAcceptorNode extends INode
 	 * @param group
 	 * @return
 	 */
-	public boolean linkProvider(INode requester, String group);
+	public boolean linkProvider(IProviderNode requestor, String group);
 	
 	
 	/** Unlink a provider from the acceptor
 	 * 
-	 * @param toUnlink
+	 * @param requestor
 	 * @return
 	 */
-	public boolean unlinkProvider(INode toUnlink);
-	
-	
-	/**
-	 * @return Node[]
-	 */
-	public IProviderNode[] getProviders();
+	public boolean unlinkProvider(IProviderNode requestor);
 	
 	
 	/** Accept a packet from a provider
diff --git a/src/main/java/net/corechg/transit/network/system/swap/IProviderNode.java b/src/main/java/net/corechg/mc/transit/network/system/swap/IProviderNode.java
index 5fd9908..62a45b7 100644
--- a/src/main/java/net/corechg/transit/network/system/swap/IProviderNode.java
+++ b/src/main/java/net/corechg/mc/transit/network/system/swap/IProviderNode.java
@@ -1,6 +1,6 @@
-package net.corechg.transit.network.system.swap;
+package net.corechg.mc.transit.network.system.swap;
 
-import net.corechg.transit.network.system.INode;
+import net.corechg.mc.transit.network.system.INode;
 
 /**
  * @author Kyle Gunger
@@ -14,20 +14,14 @@ public interface IProviderNode extends INode{
 	 * @param group
 	 * @return boolean
 	 */
-	public boolean linkAcceptor(INode requester, String group);
+	public boolean linkAcceptor(IAcceptorNode requestor, String group);
 	
 	
 	/** Unlink a provider from the acceptor
 	 * 
-	 * @param toUnlink
+	 * @param requestor
 	 * @return
 	 */
-	public boolean unlinkAcceptor(INode toUnlink);
-	
-	
-	/**
-	 * @return Node[]
-	 */
-	public IAcceptorNode[] getAcceptors();
+	public boolean unlinkAcceptor(IAcceptorNode requestor);
 	
 }
diff --git a/src/main/java/net/corechg/transit/type/TFluid.java b/src/main/java/net/corechg/mc/transit/type/TFluid.java
index 6886ab2..9f00a9b 100644
--- a/src/main/java/net/corechg/transit/type/TFluid.java
+++ b/src/main/java/net/corechg/mc/transit/type/TFluid.java
@@ -1,4 +1,4 @@
-package net.corechg.transit.type;
+package net.corechg.mc.transit.type;
 
 import net.minecraft.fluid.Fluid;
 
diff --git a/src/main/java/net/corechg/transit/type/TMana.java b/src/main/java/net/corechg/mc/transit/type/TMana.java
index 1a176fc..16983b7 100644
--- a/src/main/java/net/corechg/transit/type/TMana.java
+++ b/src/main/java/net/corechg/mc/transit/type/TMana.java
@@ -1,4 +1,4 @@
-package net.corechg.transit.type;
+package net.corechg.mc.transit.type;
 
 /** Units of mana.
  * @author Kyle Gunger
@@ -9,7 +9,7 @@ public class TMana {
 
     /** Constructor
      * 
-     * @param t Type of mana (Fire/Water/Dark/Light/etc.)
+     * @param t Type of mana (Fire/Water/Dark/Light/etc.) leave empty string for an untyped mana system.
      * @param ct Count of mana
      */
     public TMana(String t, Number ct) {
diff --git a/src/main/java/net/corechg/transit/type/Type.java b/src/main/java/net/corechg/mc/transit/type/Type.java
index 3940f3f..7ac670e 100644
--- a/src/main/java/net/corechg/transit/type/Type.java
+++ b/src/main/java/net/corechg/mc/transit/type/Type.java
@@ -1,7 +1,6 @@
-package net.corechg.transit.type;
+package net.corechg.mc.transit.type;
 
-import net.corechg.transit.network.packet.IStaticPacket;
-import net.corechg.transit.network.packet.StaticPacket;
+import net.corechg.mc.transit.network.packet.*;
 
 /**@author Kyle Gunger
  * 
diff --git a/src/main/java/net/corechg/transit/type/group/GroupRegistry.java b/src/main/java/net/corechg/mc/transit/type/group/GroupRegistry.java
index 0b04913..2d0d17f 100644
--- a/src/main/java/net/corechg/transit/type/group/GroupRegistry.java
+++ b/src/main/java/net/corechg/mc/transit/type/group/GroupRegistry.java
@@ -1,13 +1,13 @@
-package net.corechg.transit.type.group;
+package net.corechg.mc.transit.type.group;
 
 import java.util.ArrayList;
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
-import net.corechg.transit.type.Type;
+import net.corechg.mc.transit.type.Type;
 
-public class GroupRegistry {
+public final class GroupRegistry {
 	private static final ArrayList<TypeGroup<?>> GROUPS = new ArrayList<TypeGroup<?>>(0);
 	
 	private static final Logger LOG = LogManager.getFormatterLogger("Transit|GroupRegistry");
diff --git a/src/main/java/net/corechg/transit/type/group/TypeGroup.java b/src/main/java/net/corechg/mc/transit/type/group/TypeGroup.java
index eecf6d4..4717119 100644
--- a/src/main/java/net/corechg/transit/type/group/TypeGroup.java
+++ b/src/main/java/net/corechg/mc/transit/type/group/TypeGroup.java
@@ -1,12 +1,12 @@
-package net.corechg.transit.type.group;
+package net.corechg.mc.transit.type.group;
 
 import java.util.ArrayList;
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
-import net.corechg.transit.network.packet.*;
-import net.corechg.transit.type.Type;
+import net.corechg.mc.transit.network.packet.*;
+import net.corechg.mc.transit.type.Type;
 
 /**
  * @author Kyle Gunger
diff --git a/src/main/java/net/corechg/transit/type/group/simple/SimpleGroups.java b/src/main/java/net/corechg/mc/transit/type/group/simple/SimpleGroups.java
index ce39fc1..73e0df7 100644
--- a/src/main/java/net/corechg/transit/type/group/simple/SimpleGroups.java
+++ b/src/main/java/net/corechg/mc/transit/type/group/simple/SimpleGroups.java
@@ -1,10 +1,9 @@
-package net.corechg.transit.type.group.simple;
+package net.corechg.mc.transit.type.group.simple;
 
 import net.minecraft.item.ItemStack;
-import net.corechg.transit.type.group.GroupRegistry;
-import net.corechg.transit.type.group.TypeGroup;
-import net.corechg.transit.type.simple.SimpleTypes;
-import net.corechg.transit.type.*;
+import net.corechg.mc.transit.type.group.*;
+import net.corechg.mc.transit.type.simple.SimpleTypes;
+import net.corechg.mc.transit.type.*;
 
 public final class SimpleGroups {
 	/** Transfers energy.  Basic unit is TJoule (Transit Joule).
diff --git a/src/main/java/net/corechg/transit/type/simple/SimpleTypes.java b/src/main/java/net/corechg/mc/transit/type/simple/SimpleTypes.java
index f608bdd..79ee9a8 100644
--- a/src/main/java/net/corechg/transit/type/simple/SimpleTypes.java
+++ b/src/main/java/net/corechg/mc/transit/type/simple/SimpleTypes.java
@@ -1,7 +1,7 @@
-package net.corechg.transit.type.simple;
+package net.corechg.mc.transit.type.simple;
 
 import net.minecraft.item.ItemStack;
-import net.corechg.transit.type.*;
+import net.corechg.mc.transit.type.*;
 
 public final class SimpleTypes {
 	/** Transfers energy.  Energy is stored as a numeric, base value is TJoule (TransitJoule)
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index d54a617..aee36dc 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -20,7 +20,7 @@
   "environment": "*",
   "entrypoints": {
     "main": [
-      "net.corechg.transit.Transit"
+      "net.corechg.mc.transit.Transit"
     ]
   },