From 91f2f03605f8fc2e3555e18826662754e1ee91a0 Mon Sep 17 00:00:00 2001
From: Jakob Stendahl <jakob.stendahl@outlook.com>
Date: Sun, 12 Nov 2017 19:34:12 +0100
Subject: [a] Added sick shit!

---
 Space Invaders/GameEngine/Graphics.cs | 65 +++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 Space Invaders/GameEngine/Graphics.cs

(limited to 'Space Invaders/GameEngine/Graphics.cs')

diff --git a/Space Invaders/GameEngine/Graphics.cs b/Space Invaders/GameEngine/Graphics.cs
new file mode 100644
index 0000000..1c15199
--- /dev/null
+++ b/Space Invaders/GameEngine/Graphics.cs	
@@ -0,0 +1,65 @@
+using System;
+using System.Diagnostics;
+
+namespace GameEngine {
+
+    class Graphics {
+        /* This class is made for drawing frame by frame in the console. 
+         * It is designed to be used from a while loop, where the draw-frame method is called at the end of the loop */
+
+        // IMPORTANT! You might have to change the console font size, depending on how many rows and columns you want to have!
+
+        public int Rows { get; }          // This should not be editable
+        public int Columns { get; }       // Neither should this
+        public int FrameNum;              // How many frames have been drawn
+
+        private Char[,] _consoleBuffer;   // This stores how the screen looked last frame
+        private Stopwatch _stopWatch;     // This is used to calculate time between frames
+
+        public Graphics(int columns, int rows) {
+            Rows = rows;
+            Columns = columns;
+            _consoleBuffer = new Char[Columns, Rows];
+
+            Console.CursorVisible = false;
+            Console.WindowHeight = Columns;
+            Console.WindowWidth = Rows;
+            Console.SetBufferSize(rows, columns);
+
+            _stopWatch = Stopwatch.StartNew();
+            FrameNum = 0;
+        }
+
+        public void DrawFrame(Frame newFrame) {
+            /* Method that draws all changes from last frame to the screen */
+            FrameNum++;
+            //Console.Clear();
+            //Console.SetCursorPosition(0, 0);
+            for (int y = 0; y < _consoleBuffer.GetLength(0); y++) {
+                for (int x = 0; x < _consoleBuffer.GetLength(1); x++) {
+
+                    if (newFrame.Buffer[y, x] != _consoleBuffer[y, x]) {
+                        _consoleBuffer[y, x] = newFrame.Buffer[y, x];
+                        Console.SetCursorPosition(x, y);
+                        Console.Write(newFrame.Buffer[y, x]);
+                    }
+
+                }
+            }
+
+            _stopWatch.Reset();
+        }
+
+        public long DeltaTime() {
+            /* Method that returns time since last frame */
+            return _stopWatch.ElapsedMilliseconds;
+        }
+
+
+    }
+
+    class Frame {
+        public char[,] Buffer;
+    }
+
+}
-- 
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