From 61bd2d32d378c22015f37274441f56a6f54ca668 Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Mon, 26 Jan 2015 16:40:32 -0700
Subject: [PATCH] Add block repository support code

---
 TrueCraft.API/Logic/IBlockRepository.cs    | 21 +++++++++++
 TrueCraft.API/Server/IMultiplayerServer.cs |  2 ++
 TrueCraft.API/TrueCraft.API.csproj         |  1 +
 TrueCraft.Core/Logic/Items/MinecartItem.cs |  4 +--
 TrueCraft/BlockRepository.cs               | 41 ++++++++++++++++++++++
 TrueCraft/MultiplayerServer.cs             |  5 +++
 TrueCraft/TrueCraft.csproj                 |  1 +
 7 files changed, 73 insertions(+), 2 deletions(-)
 create mode 100644 TrueCraft.API/Logic/IBlockRepository.cs
 create mode 100644 TrueCraft/BlockRepository.cs

diff --git a/TrueCraft.API/Logic/IBlockRepository.cs b/TrueCraft.API/Logic/IBlockRepository.cs
new file mode 100644
index 0000000..80b7816
--- /dev/null
+++ b/TrueCraft.API/Logic/IBlockRepository.cs
@@ -0,0 +1,21 @@
+using System;
+
+namespace TrueCraft.API.Logic
+{
+    /// <summary>
+    /// Providers block providers for a server.
+    /// </summary>
+    public interface IBlockRepository
+    {
+        /// <summary>
+        /// Gets this repository's block provider for the specified block ID. This may return null
+        /// if the block ID in question has no corresponding block provider.
+        /// </summary>
+        IBlockProvider GetBlockProvider(byte id);
+        /// <summary>
+        /// Registers a new block provider. This overrides any existing block providers that use the
+        /// same block ID.
+        /// </summary>
+        void RegisterBlockProvider(IBlockProvider provider);
+    }
+}
\ No newline at end of file
diff --git a/TrueCraft.API/Server/IMultiplayerServer.cs b/TrueCraft.API/Server/IMultiplayerServer.cs
index 8c0e84b..655c29e 100644
--- a/TrueCraft.API/Server/IMultiplayerServer.cs
+++ b/TrueCraft.API/Server/IMultiplayerServer.cs
@@ -4,6 +4,7 @@ using System.Net;
 using System.Collections.Generic;
 using TrueCraft.API.World;
 using TrueCraft.API.Logging;
+using TrueCraft.API.Logic;
 
 namespace TrueCraft.API.Server
 {
@@ -22,6 +23,7 @@ namespace TrueCraft.API.Server
         IList<IRemoteClient> Clients { get; }
         IList<IWorld> Worlds { get; }
         IEventScheduler Scheduler { get; }
+        IBlockRepository BlockRepository { get; }
 
         void Start(IPEndPoint endPoint);
         void RegisterPacketHandler(byte packetId, PacketHandler handler);
diff --git a/TrueCraft.API/TrueCraft.API.csproj b/TrueCraft.API/TrueCraft.API.csproj
index 3f82779..73f39ac 100644
--- a/TrueCraft.API/TrueCraft.API.csproj
+++ b/TrueCraft.API/TrueCraft.API.csproj
@@ -79,6 +79,7 @@
     <Compile Include="Server\ChatMessageEventArgs.cs" />
     <Compile Include="BlockFace.cs" />
     <Compile Include="Server\PlayerJoinedEventArgs.cs" />
+    <Compile Include="Logic\IBlockRepository.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup />
diff --git a/TrueCraft.Core/Logic/Items/MinecartItem.cs b/TrueCraft.Core/Logic/Items/MinecartItem.cs
index 3504bdc..e27c963 100644
--- a/TrueCraft.Core/Logic/Items/MinecartItem.cs
+++ b/TrueCraft.Core/Logic/Items/MinecartItem.cs
@@ -16,7 +16,7 @@ namespace TrueCraft.Core.Logic.Items
 
     public class MinecartWithChestItem : MinecartItem
     {
-        public static readonly short ItemID = 0x156;
+        public static readonly new short ItemID = 0x156;
 
         public override short ID { get { return 0x156; } }
 
@@ -25,7 +25,7 @@ namespace TrueCraft.Core.Logic.Items
 
     public class MinecartWithFurnaceItem : MinecartItem
     {
-        public static readonly short ItemID = 0x157;
+        public static readonly new short ItemID = 0x157;
 
         public override short ID { get { return 0x157; } }
 
diff --git a/TrueCraft/BlockRepository.cs b/TrueCraft/BlockRepository.cs
new file mode 100644
index 0000000..2fe1e0e
--- /dev/null
+++ b/TrueCraft/BlockRepository.cs
@@ -0,0 +1,41 @@
+using System;
+using TrueCraft.API.Logic;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace TrueCraft
+{
+    public class BlockRepository : IBlockRepository
+    {
+        private readonly IBlockProvider[] BlockProviders = new IBlockProvider[0x100];
+
+        public IBlockProvider GetBlockProvider(byte id)
+        {
+            return BlockProviders[id];
+        }
+
+        public void RegisterBlockProvider(IBlockProvider provider)
+        {
+            BlockProviders[provider.ID] = provider;
+        }
+
+        internal void DiscoverBlockProviders()
+        {
+            var providerTypes = new List<Type>();
+            foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies())
+            {
+                foreach (var type in assembly.GetTypes().Where(t =>
+                    typeof(IBlockProvider).IsAssignableFrom(t) && !t.IsAbstract))
+                {
+                    providerTypes.Add(type);
+                }
+            }
+
+            providerTypes.ForEach(t =>
+            {
+                var instance = (IBlockProvider)Activator.CreateInstance(t);
+                RegisterBlockProvider(instance);
+            });
+        }
+    }
+}
\ No newline at end of file
diff --git a/TrueCraft/MultiplayerServer.cs b/TrueCraft/MultiplayerServer.cs
index 2545415..2b7fde5 100644
--- a/TrueCraft/MultiplayerServer.cs
+++ b/TrueCraft/MultiplayerServer.cs
@@ -11,6 +11,7 @@ using TrueCraft.API.Logging;
 using TrueCraft.Core.Networking.Packets;
 using TrueCraft.API;
 using TrueCraft.Core.Logging;
+using TrueCraft.API.Logic;
 
 namespace TrueCraft
 {
@@ -24,6 +25,7 @@ namespace TrueCraft
         public IList<IWorld> Worlds { get; private set; }
         public IList<IEntityManager> EntityManagers { get; private set; }
         public IEventScheduler Scheduler { get; private set; }
+        public IBlockRepository BlockRepository { get; private set; }
 
         private Timer NetworkWorker, EnvironmentWorker;
         private TcpListener Listener;
@@ -43,6 +45,9 @@ namespace TrueCraft
             EntityManagers = new List<IEntityManager>();
             LogProviders = new List<ILogProvider>();
             Scheduler = new EventScheduler(this);
+            var blockRepository = new BlockRepository();
+            blockRepository.DiscoverBlockProviders();
+            BlockRepository = blockRepository;
             ExecutingTick = false;
 
             reader.RegisterCorePackets();
diff --git a/TrueCraft/TrueCraft.csproj b/TrueCraft/TrueCraft.csproj
index 25bfd9f..9c5510f 100644
--- a/TrueCraft/TrueCraft.csproj
+++ b/TrueCraft/TrueCraft.csproj
@@ -57,6 +57,7 @@
     <Compile Include="Entities\PlayerEntity.cs" />
     <Compile Include="Handlers\InteractionHandlers.cs" />
     <Compile Include="Commands\DebugCommands.cs" />
+    <Compile Include="BlockRepository.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>