#460: Initial Civilization PowerGraph implementation

src/Screens/DebugOptions.cs

@@ -87,19 +87,25 @@ private void MenuBuildPalace(object sender, EventArgs args)
 			Destroy();
 		}
 
+		private void MenuShowPowerGraph(object sender, EventArgs args)
+		{
+			GameTask.Enqueue(Show.Screen<PowerGraph>());
+			Destroy();
+		}
+
 		protected override bool HasUpdate(uint gameTick)
 		{
 			if (_update)
 			{
 				_update = false;
 
-				Picture menuGfx = new Picture(131, 95)
+				Picture menuGfx = new Picture(131, 103)
 					.Tile(Pattern.PanelGrey)
 					.DrawRectangle3D()
 					.DrawText("Debug Options:", 0, 15, 4, 4)
 					.As<Picture>();
 
-				IBitmap menuBackground = menuGfx[2, 11, 128, 80].ColourReplace((7, 11), (22, 3));
+				IBitmap menuBackground = menuGfx[2, 11, 128, 88].ColourReplace((7, 11), (22, 3));
 
 				this.AddLayer(menuGfx, 25, 17);
 
@@ -127,6 +133,7 @@ protected override bool HasUpdate(uint gameTick)
 				menu.Items.Add("Meet With King").OnSelect(MenuMeetWithKing);
 				menu.Items.Add("Toggle Reveal World").OnSelect(MenuRevealWorld);
 				menu.Items.Add("Build Palace").OnSelect(MenuBuildPalace);
+				menu.Items.Add("Show PowerGraph").OnSelect(MenuShowPowerGraph);
 
 				this.FillRectangle(24, 16, 105, menu.RowHeight * (menu.Items.Count + 1), 5);
 
@@ -139,7 +146,7 @@ public DebugOptions() : base(MouseCursor.Pointer)
 		{
 			Palette = Common.DefaultPalette;
 			this.AddLayer(Common.Screens.Last(), 0, 0)
-				.FillRectangle(24, 16, 133, 97, 5);
+				.FillRectangle(24, 16, 133, 105, 5);
 		}
 	}
 }

src/Screens/PowerGraph.cs

@@ -0,0 +1,58 @@
+// CivOne
+//
+// To the extent possible under law, the person who associated CC0 with
+// CivOne has waived all copyright and related or neighboring rights
+// to CivOne.
+//
+// You should have received a copy of the CC0 legalcode along with this
+// work. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
+
+using System.Linq;
+using CivOne.Civilizations;
+using CivOne.Enums;
+using CivOne.Events;
+using CivOne.Graphics;
+
+namespace CivOne.Screens
+{
+	internal class PowerGraph : BaseScreen
+	{
+		private bool _update = true;
+
+		protected override bool HasUpdate(uint gameTick)
+		{
+			if (!_update) return false;
+			_update = false;
+			return true;
+		}
+
+		public override bool KeyDown(KeyboardEventArgs args)
+		{
+			Destroy();
+			return true;
+		}
+
+		public override bool MouseDown(ScreenEventArgs args)
+		{
+			Destroy();
+			return true;
+		}
+
+		public PowerGraph() : base(MouseCursor.None)
+		{	
+			Palette = Common.TopScreen.Palette.Copy();
+
+			this.Clear(8)
+				.DrawText("CIVILIZATION POWERGraph", 0, 5, 100, 3)
+				.DrawText("CIVILIZATION POWERGraph", 0, 15, 100, 2)
+				.DrawRectangle(4, 9, 312, 184)
+				.DrawText("4000BC", 1, 15, 0, 194);
+
+			Player[] players = Game.Players.Where(x => !(x.Civilization is Barbarian)).ToArray();
+			for (int i = 0; i < players.Length; i++)
+			{
+				this.DrawText(players[i].TribeName, 0, Common.ColourLight[Game.PlayerNumber(players[i])], 8, 12 + (i * 8));
+			}
+		}
+	}
+}