From 3b0271b7712ed53d8f6e6a9fcc7c064bcbcb0a45 Mon Sep 17 00:00:00 2001
From: William Moorehouse <moorehousew@gmail.com>
Date: Wed, 30 Sep 2015 15:28:38 -0400
Subject: [PATCH] Initial work on hotbar interface

---
 TrueCraft.Client/Modules/HUDModule.cs         | 51 +++++++++++++++++++
 .../Modules/PlayerControlModule.cs            | 36 +++++++++++++
 TrueCraft.Client/TrueCraftGame.cs             |  1 +
 3 files changed, 88 insertions(+)

diff --git a/TrueCraft.Client/Modules/HUDModule.cs b/TrueCraft.Client/Modules/HUDModule.cs
index 1a9a574..66e0e5a 100644
--- a/TrueCraft.Client/Modules/HUDModule.cs
+++ b/TrueCraft.Client/Modules/HUDModule.cs
@@ -27,12 +27,63 @@ namespace TrueCraft.Client.Modules
         public void Draw(GameTime gameTime)
         {
             SpriteBatch.Begin(samplerState: SamplerState.PointClamp);
+            
             SpriteBatch.Draw(Icons, new Vector2(
                 Game.GraphicsDevice.Viewport.Width / 2 - (8 * Game.ScaleFactor * 2),
                 Game.GraphicsDevice.Viewport.Height / 2 - (8 * Game.ScaleFactor * 2)),
                 new Rectangle(0, 0, 16, 16), CrosshairColor,
                 0, Vector2.Zero, Game.ScaleFactor * 2, SpriteEffects.None, 1);
+
+            DrawHotbar(gameTime);
+
             SpriteBatch.End();
         }
+
+        #region "Hotbar"
+
+        /// <summary>
+        /// The dimensions of the hotbar background.
+        /// </summary>
+        private static readonly Rectangle HotbarBackgroundRect =
+            new Rectangle(0, 0, 182, 22);
+
+        /// <summary>
+        /// The dimensions of the hotbar selection.
+        /// </summary>
+        private static readonly Rectangle HotbarSelectionRect =
+            new Rectangle(0, 22, 24, 24);
+
+        /// <summary>
+        /// Draws the inventory hotbar.
+        /// </summary>
+        /// <param name="gameTime"></param>
+        private void DrawHotbar(GameTime gameTime)
+        {
+            // Background
+            SpriteBatch.Draw(GUI, new Vector2(
+                Game.GraphicsDevice.Viewport.Width / 2 - Scale(HotbarBackgroundRect.Width / 2),
+                Game.GraphicsDevice.Viewport.Height - Scale(HotbarBackgroundRect.Height + 5)),
+                HotbarBackgroundRect, Color.White, 0, Vector2.Zero, Game.ScaleFactor * 2, SpriteEffects.None, 1);
+
+            // TODO: Icons
+
+            // Selection
+            SpriteBatch.Draw(GUI, new Vector2(
+                Game.GraphicsDevice.Viewport.Width / 2 - Scale(HotbarBackgroundRect.Width / 2) + Scale(Game.HotbarSelection * 20 - 1),
+                Game.GraphicsDevice.Viewport.Height - Scale(HotbarBackgroundRect.Height + 6)),
+                HotbarSelectionRect, Color.White, 0, Vector2.Zero, Game.ScaleFactor * 2, SpriteEffects.None, 1);
+        }
+
+        #endregion
+
+        /// <summary>
+        /// Scales a float depending on the game's scale factor.
+        /// </summary>
+        /// <param name="value"></param>
+        /// <returns></returns>
+        private float Scale(float value)
+        {
+            return value * Game.ScaleFactor * 2;
+        }
     }
 }
diff --git a/TrueCraft.Client/Modules/PlayerControlModule.cs b/TrueCraft.Client/Modules/PlayerControlModule.cs
index 5588bae..e761288 100644
--- a/TrueCraft.Client/Modules/PlayerControlModule.cs
+++ b/TrueCraft.Client/Modules/PlayerControlModule.cs
@@ -78,6 +78,42 @@ namespace TrueCraft.Client.Modules
                     if (Math.Floor(Game.Client.Position.Y) == Game.Client.Position.Y)
                         Game.Client.Velocity += TrueCraft.API.Vector3.Up * 0.3;
                     return true;
+
+                case Keys.NumPad1:
+                    Game.HotbarSelection = 0;
+                    return true;
+
+                case Keys.NumPad2:
+                    Game.HotbarSelection = 1;
+                    return true;
+
+                case Keys.NumPad3:
+                    Game.HotbarSelection = 2;
+                    return true;
+
+                case Keys.NumPad4:
+                    Game.HotbarSelection = 3;
+                    return true;
+
+                case Keys.NumPad5:
+                    Game.HotbarSelection = 4;
+                    return true;
+
+                case Keys.NumPad6:
+                    Game.HotbarSelection = 5;
+                    return true;
+
+                case Keys.NumPad7:
+                    Game.HotbarSelection = 6;
+                    return true;
+
+                case Keys.NumPad8:
+                    Game.HotbarSelection = 7;
+                    return true;
+
+                case Keys.NumPad9:
+                    Game.HotbarSelection = 8;
+                    return true;
             }
             return false;
         }
diff --git a/TrueCraft.Client/TrueCraftGame.cs b/TrueCraft.Client/TrueCraftGame.cs
index df874b7..18947a8 100644
--- a/TrueCraft.Client/TrueCraftGame.cs
+++ b/TrueCraft.Client/TrueCraftGame.cs
@@ -38,6 +38,7 @@ namespace TrueCraft.Client
         public DateTime StartDigging { get; set; }
         public DateTime EndDigging { get; set; }
         public Coordinates3D TargetBlock { get; set; }
+        public int HotbarSelection { get; set; }
 
         private List<IGameplayModule> Modules { get; set; }
         private SpriteBatch SpriteBatch { get; set; }