Separate folder for game modes

Subsurface/Source/GameSession/GameModes/GameMode.cs

@@ -0,0 +1,135 @@
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+
+namespace Subsurface
+{
+    class GameMode
+    {
+        public static List<GameModePreset> PresetList = new List<GameModePreset>();
+
+        TimeSpan duration;
+        protected DateTime startTime;
+        protected DateTime endTime;
+
+        //public readonly bool IsSinglePlayer;
+
+        private GUIProgressBar timerBar;
+        
+        protected bool isRunning;
+
+        //protected string name;
+
+        protected GameModePreset preset;
+
+        private string endMessage;
+
+        public virtual Quest Quest
+        {
+            get { return null; }
+        }
+
+        public DateTime StartTime
+        {
+            get { return startTime; }
+        }
+
+        public DateTime EndTime
+        {
+            get { return endTime; }
+        }
+
+        public bool IsRunning
+        {
+            get { return isRunning; }
+        }
+
+        public bool IsSinglePlayer
+        {
+            get { return preset.IsSinglePlayer; }
+        }
+
+        public string Name
+        {
+            get { return preset.Name; }
+        }
+
+        public string EndMessage
+        {
+            get { return endMessage; }
+        }
+
+        public GameMode(GameModePreset preset)
+        {
+            this.preset = preset;
+        }
+
+        public virtual void Draw(SpriteBatch spriteBatch)
+        {
+            if (timerBar != null) timerBar.Draw(spriteBatch);
+        }
+
+        public virtual void Start(TimeSpan duration)
+        {
+            startTime = DateTime.Now;
+            if (duration!=TimeSpan.Zero)
+            {
+                endTime = startTime + duration;
+                this.duration = duration;
+
+                timerBar = new GUIProgressBar(new Rectangle(Game1.GraphicsWidth - 120, 20, 100, 25), Color.Gold, 0.0f, null);  
+            }
+
+            endMessage = "The round has ended!";
+
+            isRunning = true;
+        }
+
+        public virtual void Update(float deltaTime)
+        {
+            if (!isRunning) return;
+
+            if (duration != TimeSpan.Zero)
+            {
+                double elapsedTime = (DateTime.Now - startTime).TotalSeconds;
+                timerBar.BarSize = (float)(elapsedTime / duration.TotalSeconds);
+            }
+            //if (DateTime.Now >= endTime)
+            //{
+            //    End(endMessage);                
+            //}
+        }
+
+        public virtual void End(string endMessage = "")
+        {
+            isRunning = false;
+
+            if (endMessage != "" || this.endMessage == null) this.endMessage = endMessage;
+
+            Game1.GameSession.EndShift(endMessage);
+        }
+        
+        public static void Init()
+        {
+            new GameModePreset("Single Player", typeof(SinglePlayerMode), true);
+            
+
+            var mode = new GameModePreset("SandBox", typeof(GameMode), false);
+            mode.Description = "A game mode with no specific objectives.";
+
+            mode = new GameModePreset("Traitor", typeof(TraitorMode), false);
+            mode.Description = "One of the players is selected as a traitor and given a secret objective. "
+                + "The rest of the crew will win if they reach the end of the level or kill the traitor "
+                + "before the objective is completed.";
+
+            mode = new GameModePreset("Quest", typeof(QuestMode), false);
+            mode.Description = "The crew must work together to complete a specific task, such as retrieving "
+                + "an alien artifact or killing a creature that's terrorizing nearby outposts. The game ends "
+                + "when the task is completed or everyone in the crew has died.";
+
+
+        }
+    }
+}