Toolkit Example

// Copyright (c) 2010-2013 SharpDX - Alexandre Mutel
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;
using System.Collections.Generic;

using SharpDX;
using SharpDX.Direct3D;
using SharpDX.Direct3D11;
using SharpDX.Toolkit;
using SharpDX.Toolkit.Input;

namespace ModelRendering
{
    // Use this namespace here in case we need to use Direct3D11 namespace as well, as this
    // namespace will override the Direct3D11.
    using SharpDX.Toolkit.Graphics;

    /// <summary>
    /// Simple SpriteBatchAndFont application using SharpDX.Toolkit.
    /// The purpose of this application is to use SpriteBatch and SpriteFont.
    /// </summary>
    public class ModelRenderingGame : Game
    {
        private GraphicsDeviceManager graphicsDeviceManager;
        private SpriteBatch spriteBatch;
        private SpriteFont arial16BMFont;

        private PointerManager pointer;

        private Model model;

        private List<Model> models;

        private BoundingSphere modelBounds;
        private Matrix world;
        private Matrix view;
        private Matrix projection;

        /// <summary>
        /// Initializes a new instance of the <see cref="ModelRenderingGame" /> class.
        /// </summary>
        public ModelRenderingGame()
        {
            // Creates a graphics manager. This is mandatory.
            graphicsDeviceManager = new GraphicsDeviceManager(this);
            graphicsDeviceManager.PreferredGraphicsProfile = new FeatureLevel[] { FeatureLevel.Level_9_1, };

            pointer = new PointerManager(this);

            // Setup the relative directory to the executable directory
            // for loading contents with the ContentManager
            Content.RootDirectory = "Content";
        }

        protected override void LoadContent()
        {
            // Load the fonts
            arial16BMFont = Content.Load<SpriteFont>("Arial16");

            // Load the model (by default the model is loaded with a BasicEffect. Use ModelContentReaderOptions to change the behavior at loading time.
            models = new List<Model>();
            foreach (var modelName in new[] { "Dude", "Duck", "Car", "Happy", "Knot", "Skull", "Sphere", "Teapot" })
            {
                model = Content.Load<Model>(modelName);

                // Enable default lighting  on model.
                BasicEffect.EnableDefaultLighting(model, true);

                models.Add(model);
            }
            model = models[0];

            // Instantiate a SpriteBatch
            spriteBatch = ToDisposeContent(new SpriteBatch(GraphicsDevice));

            base.LoadContent();
        }

        protected override void Initialize()
        {
            Window.Title = "Model Rendering Demo";
            base.Initialize();
        }

        protected override void Update(GameTime gameTime)
        {
            base.Update(gameTime);

            var pointerState = pointer.GetState();
            if (pointerState.Points.Count > 0 && pointerState.Points[0].EventType == PointerEventType.Released)
            {
                // Go to next model when pressing key space
                model = models[(models.IndexOf(model) + 1) % models.Count];
            }

            // Calculate the bounds of this model
            modelBounds = model.CalculateBounds();

            // Calculates the world and the view based on the model size
            const float MaxModelSize = 10.0f;
            var scaling = MaxModelSize / modelBounds.Radius;
            view = Matrix.LookAtLH(new Vector3(0, 0, - MaxModelSize * 2.5f), new Vector3(0, 0, 0), Vector3.UnitY);
            projection = Matrix.PerspectiveFovLH(0.9f, (float)GraphicsDevice.BackBuffer.Width / GraphicsDevice.BackBuffer.Height, 0.1f, MaxModelSize * 10.0f);
            world = Matrix.Translation(-modelBounds.Center.X, -modelBounds.Center.Y, -modelBounds.Center.Z) * Matrix.Scaling(scaling) * Matrix.RotationY((float)gameTime.TotalGameTime.TotalSeconds);
        }

        protected override void Draw(GameTime gameTime)
        {
            // Clears the screen with the Color.CornflowerBlue
            GraphicsDevice.Clear(Color.CornflowerBlue);

            // Draw the model
            model.Draw(GraphicsDevice, world, view, projection);

            // Render the text
            spriteBatch.Begin();
            spriteBatch.DrawString(arial16BMFont, "Press the pointer to switch models...\r\nCurrent Model: " + model.Name, new Vector2(16, 16), Color.White);
            spriteBatch.End();

            // Handle base.Draw
            base.Draw(gameTime);
        }
    }
}