moving some things around and code cleanup

2026-07-24 12:06:37 +00:00 · 2017-06-13 21:20:02 +10:00
parent c57417f055
commit b6555e8ce5
60 changed files with 82 additions and 206 deletions
@@ -0,0 +1,112 @@
+// Original code dervied from:
+// https://github.com/thelinuxlich/artemis_CSharp/blob/master/Artemis_XNA_INDEPENDENT/System/EntitySystem.cs
+
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="EntitySystem.cs" company="GAMADU.COM">
+//     Copyright © 2013 GAMADU.COM. Contains rights reserved.
+//
+//     Redistribution and use in source and binary forms, with or without modification, are
+//     permitted provided that the following conditions are met:
+//
+//        1. Redistributions of source code must retain the above copyright notice, this list of
+//           conditions and the following disclaimer.
+//
+//        2. Redistributions in binary form must reproduce the above copyright notice, this list
+//           of conditions and the following disclaimer in the documentation and/or other materials
+//           provided with the distribution.
+//
+//     THIS SOFTWARE IS PROVIDED BY GAMADU.COM 'AS IS' AND ANY EXPRESS OR IMPLIED
+//     WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+//     FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GAMADU.COM OR
+//     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+//     CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+//     SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+//     ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+//     NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+//     ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//     The views and conclusions contained in the software and documentation are those of the
+//     authors and should not be interpreted as representing official policies, either expressed
+//     or implied, of GAMADU.COM.
+// </copyright>
+// <summary>
+//   Base of all Entity Systems. Provide basic functionalities.
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+using System;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+
+namespace MonoGame.Extended.Entities
+{
+    public abstract class EntitySystem
+    {
+        private TimeSpan _timer;
+
+        internal EntityComponentSystem Manager;
+        public bool IsEnabled { get; set; }
+        public Game Game => Manager.Game;
+        public GraphicsDevice GraphicsDevice => Manager.GraphicsDevice;
+        public EntityManager EntityManager => Manager.EntityManager;
+
+        public TimeSpan ProcessingDelay { get; set; }
+
+        protected EntitySystem()
+        {
+            IsEnabled = true;
+            _timer = TimeSpan.Zero;
+        }
+
+        public virtual void Initialize()
+        {
+        }
+
+        public virtual void LoadContent()
+        {
+        }
+
+        public virtual void UnloadContent()
+        {
+        }
+
+        internal void ProcessInternal(GameTime gameTime)
+        {
+            if (!CheckProcessing(gameTime))
+                return;
+            Begin(gameTime);
+            Process(gameTime);
+            End(gameTime);
+        }
+
+        public void Toggle()
+        {
+            IsEnabled = !IsEnabled;
+        }
+
+        protected virtual void Begin(GameTime gameTime)
+        {
+        }
+
+        protected virtual bool CheckProcessing(GameTime gameTime)
+        {
+            // ReSharper disable once InvertIf
+            if (ProcessingDelay != TimeSpan.Zero)
+            {
+                _timer += gameTime.ElapsedGameTime;
+                if (_timer <= ProcessingDelay)
+                    return false;
+                _timer -= ProcessingDelay;
+            }
+            return IsEnabled;
+        }
+
+        protected virtual void Process(GameTime gameTime)
+        {
+        }
+
+        protected virtual void End(GameTime gameTime)
+        {
+        }
+    }
+}