From 50c7e021a7cbf29ba7a3cdb8705be2de74bdfa41 Mon Sep 17 00:00:00 2001
From: William Moorehouse <moorehousew@gmail.com>
Date: Mon, 22 Jun 2015 18:34:34 -0400
Subject: [PATCH] Added rendering support for moist farmland

---
 .../Rendering/Blocks/FarmlandRenderer.cs      | 88 +++++++++++++++++--
 TrueCraft.Core/Logic/Blocks/FarmlandBlock.cs  |  9 ++
 2 files changed, 88 insertions(+), 9 deletions(-)

diff --git a/TrueCraft.Client/Rendering/Blocks/FarmlandRenderer.cs b/TrueCraft.Client/Rendering/Blocks/FarmlandRenderer.cs
index 9165a22..aef7e5d 100644
--- a/TrueCraft.Client/Rendering/Blocks/FarmlandRenderer.cs
+++ b/TrueCraft.Client/Rendering/Blocks/FarmlandRenderer.cs
@@ -11,24 +11,94 @@ namespace TrueCraft.Client.Rendering.Blocks
         static FarmlandRenderer()
         {
             BlockRenderer.RegisterRenderer(FarmlandBlock.BlockID, new FarmlandRenderer());
-            for (int i = 0; i < Texture.Length; i++)
-                Texture[i] *= new Vector2(16f / 256f);
+            for (int i = 0; i < DryTexture.Length; i++)
+            {
+                DryTexture[i] *= new Vector2(16f / 256f);
+                MoistTexture[i] *= new Vector2(16f / 256f);
+            }
         }
 
-        private static Vector2 TextureMap = new Vector2(7, 5);
-        private static Vector2[] Texture =
+        private static Vector2 DryTopTexture = new Vector2(7, 5);
+        private static Vector2 MoistTopTexture = new Vector2(6, 5);
+        private static Vector2 SideTexture = new Vector2(2, 0);
+
+        private static Vector2[] DryTexture =
             {
-                TextureMap + Vector2.UnitX + Vector2.UnitY,
-                TextureMap + Vector2.UnitY,
-                TextureMap,
-                TextureMap + Vector2.UnitX,
+                // Positive Z
+                SideTexture + Vector2.UnitX + Vector2.UnitY,
+                SideTexture + Vector2.UnitY,
+                SideTexture,
+                SideTexture + Vector2.UnitX,
+                // Negative Z
+                SideTexture + Vector2.UnitX + Vector2.UnitY,
+                SideTexture + Vector2.UnitY,
+                SideTexture,
+                SideTexture + Vector2.UnitX,
+                // Positive X
+                SideTexture + Vector2.UnitX + Vector2.UnitY,
+                SideTexture + Vector2.UnitY,
+                SideTexture,
+                SideTexture + Vector2.UnitX,
+                // Negative X
+                SideTexture + Vector2.UnitX + Vector2.UnitY,
+                SideTexture + Vector2.UnitY,
+                SideTexture,
+                SideTexture + Vector2.UnitX,
+                // Positive Y
+                DryTopTexture + Vector2.UnitX + Vector2.UnitY,
+                DryTopTexture + Vector2.UnitY,
+                DryTopTexture,
+                DryTopTexture + Vector2.UnitX,
+                // Negative Y
+                SideTexture + Vector2.UnitX + Vector2.UnitY,
+                SideTexture + Vector2.UnitY,
+                SideTexture,
+                SideTexture + Vector2.UnitX,
+            };
+
+        private static Vector2[] MoistTexture =
+            {
+                // Positive Z
+                SideTexture + Vector2.UnitX + Vector2.UnitY,
+                SideTexture + Vector2.UnitY,
+                SideTexture,
+                SideTexture + Vector2.UnitX,
+                // Negative Z
+                SideTexture + Vector2.UnitX + Vector2.UnitY,
+                SideTexture + Vector2.UnitY,
+                SideTexture,
+                SideTexture + Vector2.UnitX,
+                // Positive X
+                SideTexture + Vector2.UnitX + Vector2.UnitY,
+                SideTexture + Vector2.UnitY,
+                SideTexture,
+                SideTexture + Vector2.UnitX,
+                // Negative X
+                SideTexture + Vector2.UnitX + Vector2.UnitY,
+                SideTexture + Vector2.UnitY,
+                SideTexture,
+                SideTexture + Vector2.UnitX,
+                // Positive Y
+                MoistTopTexture + Vector2.UnitX + Vector2.UnitY,
+                MoistTopTexture + Vector2.UnitY,
+                MoistTopTexture,
+                MoistTopTexture + Vector2.UnitX,
+                // Negative Y
+                SideTexture + Vector2.UnitX + Vector2.UnitY,
+                SideTexture + Vector2.UnitY,
+                SideTexture,
+                SideTexture + Vector2.UnitX,
             };
 
         public override VertexPositionNormalColorTexture[] Render(BlockDescriptor descriptor, Vector3 offset,
             Tuple<int, int> textureMap, int indiciesOffset, out int[] indicies)
         {
+            var texture = DryTexture;
+            if (descriptor.Metadata == (byte)FarmlandBlock.MoistureLevel.Moist)
+                texture = MoistTexture;
+
             var overhead = new Vector3(0.5f, 0.5f, 0.5f);
-            var cube = CreateUniformCube(overhead, Texture, indiciesOffset, out indicies, Color.White);
+            var cube = CreateUniformCube(overhead, texture, indiciesOffset, out indicies, Color.White);
             for (int i = 0; i < cube.Length; i++)
             {
                 if (cube[i].Position.Y > 0)
diff --git a/TrueCraft.Core/Logic/Blocks/FarmlandBlock.cs b/TrueCraft.Core/Logic/Blocks/FarmlandBlock.cs
index 6e20739..d6d1a67 100644
--- a/TrueCraft.Core/Logic/Blocks/FarmlandBlock.cs
+++ b/TrueCraft.Core/Logic/Blocks/FarmlandBlock.cs
@@ -9,6 +9,15 @@ namespace TrueCraft.Core.Logic.Blocks
 {
     public class FarmlandBlock : BlockProvider
     {
+        public enum MoistureLevel : byte
+        {
+            Dry = 0x0,
+
+            // Any value less than 0x7 is considered 'dry'
+
+            Moist = 0x7
+        }
+
         public static readonly int UpdateIntervalSeconds = 30;
 
         public static readonly byte BlockID = 0x3C;