From 5fdc34c61047555753e29c6317754d1cd55ba40a Mon Sep 17 00:00:00 2001
From: Matt Thorson <mattmakesgames@gmail.com>
Date: Sun, 14 Jun 2020 17:56:16 -0700
Subject: [PATCH] Camera stack

---
 src/Core/Game.bf      |  4 ++++
 src/Static/Console.bf |  1 -
 src/Static/Draw.bf    | 20 +++++++++++++++++++-
 3 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/src/Core/Game.bf b/src/Core/Game.bf
index 3029ca3..58367b7 100644
--- a/src/Core/Game.bf
+++ b/src/Core/Game.bf
@@ -205,7 +205,11 @@ namespace Strawberry
 		public virtual void Draw()
 		{
 			if (Scene != null)
+			{
+				Draw.PushCamera(Scene.Camera.Round());
 				Scene.Draw();
+				Draw.PopCamera();
+			}
 
 			if (Console.Enabled)
 				Strawberry.Console.Draw();
diff --git a/src/Static/Console.bf b/src/Static/Console.bf
index 6ff2259..4fb2448 100644
--- a/src/Static/Console.bf
+++ b/src/Static/Console.bf
@@ -12,7 +12,6 @@ namespace Strawberry
 
 		static public void Draw()
 		{
-			Calc.Log();
 			Draw.Rect(0, 0, Game.Width, Game.Height, .Black * 0.4f);
 		}
 	}
diff --git a/src/Static/Draw.bf b/src/Static/Draw.bf
index a106400..33e2176 100644
--- a/src/Static/Draw.bf
+++ b/src/Static/Draw.bf
@@ -1,11 +1,29 @@
 using SDL2;
 using System;
+using System.Collections;
 
 namespace Strawberry
 {
 	static public class Draw
 	{
-		static public Point Camera => Game.Scene != null ? Game.Scene.Camera.Round() : Point.Zero;
+		static public Point Camera => cameraStack.Count > 0 ? cameraStack.Back : Point.Zero;
+
+		static private List<Point> cameraStack = new List<Point>() ~ delete _;
+
+		static public void PushCamera(Point camera, bool relative = true)
+		{
+			if (relative)
+				cameraStack.Add(Camera + camera);
+			else
+				cameraStack.Add(camera);
+		}
+
+		static public void PopCamera()
+		{
+			if (cameraStack.Count == 0)
+				Runtime.FatalError("Cannot Pop empty Camera Stack!");
+			cameraStack.PopBack();
+		}
 
 		static public void Rect(int x, int y, int w, int h, Color color)
 		{