From fd6fa4e5cebbe3edb65d50c78dcc8a97ce98ce64 Mon Sep 17 00:00:00 2001
From: aldrikboy <aldrikboy@gmail.com>
Date: Mon, 11 Dec 2017 22:02:13 +0100
Subject: First commit

---
 Penguloon/Controls/ControlBase.cs | 134 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 Penguloon/Controls/ControlBase.cs

(limited to 'Penguloon/Controls/ControlBase.cs')

diff --git a/Penguloon/Controls/ControlBase.cs b/Penguloon/Controls/ControlBase.cs
new file mode 100644
index 0000000..dea0bd7
--- /dev/null
+++ b/Penguloon/Controls/ControlBase.cs
@@ -0,0 +1,134 @@
+using System;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using Microsoft.Xna.Framework.Input.Touch;
+using Penguloon.Scenes;
+
+namespace Penguloon.Controls
+{
+    public abstract class ControlBase
+    {
+        public SceneBase ParentScene { get; set; }
+
+        public ControlState ControlState { get; set; } = ControlState.Idle;
+
+        public string Text { get; set; }
+        public SpriteFont Font { get; set; }
+        public Vector2 Position { get; set; }
+        public Vector2 Size { get; set; }
+        public Color ForeColor { get; set; }
+        public Color BorderColor { get; set; }
+        public int BorderWidth { get; set; }
+
+        public Texture2D BackgroundIdle { get; set; }
+        public Texture2D BackgroundPressed { get; set; }
+        public Texture2D BackgroundDisabled { get; set; }
+
+        public event EventHandler<ClickArgs> OnClick;
+        public event EventHandler<MoveArgs> OnMove;
+
+        /// <summary>
+        /// Base constructor.
+        /// </summary>
+        /// <param name="main">Active Main object.</param>
+        /// <param name="position">Control position.</param>
+        /// <param name="size">Control size.</param>
+        protected ControlBase(SceneBase parentScene, Vector2 position, Vector2 size)
+        {
+            this.ParentScene = parentScene;
+            this.Position = position;
+            this.Size = size;
+        }
+
+        /// <summary>
+        /// Draw controls.
+        /// </summary>
+        /// <param name="deltaTime">Delta time.</param>
+        public virtual void Draw(float deltaTime)
+        {
+            switch (ControlState)
+            {
+                case ControlState.Idle:
+                    if(BackgroundIdle != null)
+                        ParentScene.Main.SpriteBatch.Draw(BackgroundIdle, 
+                    destinationRectangle: new Rectangle(Position.ToPoint(), Size.ToPoint())); break;
+                case ControlState.Pressed:
+                    if (BackgroundPressed != null)
+                        ParentScene.Main.SpriteBatch.Draw(BackgroundPressed,
+                    destinationRectangle: new Rectangle(Position.ToPoint(), Size.ToPoint())); break;
+                case ControlState.Disabled:
+                    if (BackgroundDisabled != null)
+                        ParentScene.Main.SpriteBatch.Draw(BackgroundDisabled,
+                    destinationRectangle: new Rectangle(Position.ToPoint(), Size.ToPoint())); break;
+            }
+
+            if (Font == null) return;
+            if (string.IsNullOrWhiteSpace(Text)) return;
+
+            ParentScene.DrawText(Font, Text, Position, Size, TextAllignment.CenterMiddle, ForeColor, BorderColor, BorderWidth);
+        }
+
+        /// <summary>
+        /// Update control.
+        /// </summary>
+        /// <param name="deltaTime">Delta time.</param>
+        /// <param name="touchLocations">Finger touch points.</param>
+        public virtual void Update(float deltaTime, TouchLocation[] touchLocations)
+        {
+            if (ControlState == ControlState.Disabled) return;
+
+            Rectangle controlRec = new Rectangle(Position.ToPoint(), Size.ToPoint());
+
+            for(int i = 0; i < touchLocations.Length; i++)
+            {
+                Rectangle touchRec = new Rectangle(touchLocations[i].Position.ToPoint(), new Point(1, 1));
+
+                if (touchRec.Intersects(controlRec))
+                {
+                    if (touchLocations[i].State == TouchLocationState.Released)
+                    {
+                        this.ControlState = ControlState.Idle;
+                        OnClick?.Invoke(this, new ClickArgs(touchLocations[i].Position));
+                    }
+
+                    if (touchLocations[i].State == TouchLocationState.Pressed)
+                    {
+                        this.ControlState = ControlState.Pressed;
+                    }
+
+                    if (touchLocations[i].State == TouchLocationState.Moved)
+                    {
+                        touchLocations[i].TryGetPreviousLocation(out TouchLocation touch);
+                        OnMove?.Invoke(this, new MoveArgs(touchLocations[i].Position, touch.Position));
+                    }
+
+                    return;
+                }
+                else
+                this.ControlState = ControlState.Idle;
+            }
+        }
+    }
+
+    public class ClickArgs : EventArgs
+    {
+        public Vector2 ClickPosition { get; set; }
+
+        public ClickArgs(Vector2 clickPosition)
+        {
+            this.ClickPosition = clickPosition;
+        }
+    }
+
+    public class MoveArgs : EventArgs
+    {
+        public Vector2 TouchPosition { get; set; }
+        public Vector2 PrevTouchPosition { get; set; }
+
+        public MoveArgs(Vector2 touchPosition, Vector2 prevTouchPosition)
+        {
+            TouchPosition = touchPosition;
+            PrevTouchPosition = prevTouchPosition;
+        }
+    }
+}
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