more infantry tweaks; sidebar mouseover shows desc & prices now

OpenRa.Game/Graphics/Region.cs

@@ -20,6 +20,8 @@ namespace OpenRa.Game.Graphics
 		Action drawFunction;
         Action<MouseInput> mouseHandler;
 		Rectangle rect;
+		public bool UseScissor = true;
+		public bool AlwaysWantMovement = false;
 
 		static int2 MakeSize(Viewport v, DockStyle d, int size)
 		{
@@ -40,7 +42,6 @@ namespace OpenRa.Game.Graphics
 
         public bool HandleMouseInput(MouseInput mi)
         {
-            /* todo: route to the mousehandler once that's sorted */
             if (mouseHandler != null) mouseHandler(new MouseInput
             {
                 Button = mi.Button,
@@ -83,8 +84,10 @@ namespace OpenRa.Game.Graphics
 
 		public void Draw(Renderer renderer)
 		{
+			if (UseScissor)
 				renderer.Device.EnableScissor((int)location.X, (int)location.Y, (int)Size.X, (int)Size.Y);
 			drawFunction();
+			if (UseScissor)
 				renderer.Device.DisableScissor();
 		}
 	}

OpenRa.Game/Graphics/Renderer.cs

@@ -96,5 +96,10 @@ namespace OpenRa.Game.Graphics
 			fhDebug.Draw(sh, text, pos.X, pos.Y, c.ToArgb());
 			sh.End();
 		}
+
+		public int2 MeasureText(string text)
+		{
+			return new int2(fhDebug.MeasureText(sh, text));
+		}
 	}
 }

OpenRa.Game/Graphics/Viewport.cs

@@ -74,6 +74,10 @@ namespace OpenRa.Game.Graphics
                 return;
             }
 
+			if (mi.Event == MouseInputEvent.Move)
+				foreach (var reg in regions.Where(r => r.AlwaysWantMovement))
+					reg.HandleMouseInput(mi);
+
             dragRegion = regions.FirstOrDefault(r => r.Contains(mi.Location) && r.HandleMouseInput(mi));
             if (mi.Event != MouseInputEvent.Down)
                 dragRegion = null;

OpenRa.Game/MainWindow.cs

@@ -66,9 +66,8 @@ namespace OpenRa.Game
 			Game.world.Add(new Actor("ca", Game.map.Offset + new int2(40, 7), Game.players[1]));
 			Game.world.Add(new Actor("e1", Game.map.Offset + new int2(9, 13), Game.players[1]));
 
-			sidebar = new Sidebar(renderer, Game.LocalPlayer);
-
 			renderer.BuildPalette(Game.map);
+			sidebar = new Sidebar(renderer, Game.LocalPlayer);
 
 			ShowCursor(false);
 

OpenRa.Game/Sidebar.cs

@@ -15,6 +15,7 @@ namespace OpenRa.Game
 		Player player;
 
 		SpriteRenderer spriteRenderer, clockRenderer;
+		Renderer renderer;
 		Sprite blank;
 		Animation ready;
 		Animation cantBuild;
@@ -35,7 +36,10 @@ namespace OpenRa.Game
 		public Sidebar( Renderer renderer, Player player )
 		{
 			this.player = player;
+			this.renderer = renderer;
 			region = GRegion.Create(Game.viewport, DockStyle.Right, 128, Paint, MouseHandler);
+			region.UseScissor = false;
+			region.AlwaysWantMovement = true;
 			Game.viewport.AddRegion( region );
 			spriteRenderer = new SpriteRenderer(renderer, false);
 			clockRenderer = new SpriteRenderer(renderer, true);
@@ -158,6 +162,24 @@ namespace OpenRa.Game
 
 			spriteRenderer.Flush();
 			clockRenderer.Flush();
+
+			if (mouseOverItem != null)
+			{
+				/* draw the sidebar help for this item */
+				/* todo: draw a solid background of the appropriate color */
+				var ui = Rules.UnitInfo[mouseOverItem.Tag];
+				var text = string.Format(ui.Cost > 0 ? "{0} ($ {1})" : "{0}",	/* abilities! */
+					ui.Description, ui.Cost);
+
+				var size = renderer.MeasureText(text);
+
+				var pos = region.Position + mouseOverItem.location.ToInt2() -new int2(size.X+ 10, 0);
+				renderer.DrawText( text, pos + new int2(0,-1), Color.Black );
+				renderer.DrawText(text, pos + new int2(0, 1), Color.Black);
+				renderer.DrawText(text, pos + new int2(1, 0), Color.Black);
+				renderer.DrawText(text, pos + new int2(-1, 0), Color.Black);
+				renderer.DrawText(text, pos , Color.White);
+			}
 		}
 
 		public SidebarItem GetItem(float2 point)
@@ -174,10 +196,13 @@ namespace OpenRa.Game
 			return group != "Building";
 		}
 
+		SidebarItem mouseOverItem;
+
 		void MouseHandler(MouseInput mi)
 		{
 			var point = mi.Location.ToFloat2();
 			var item = GetItem( point );
+			mouseOverItem = item;
 			if( item == null )
 				return;
 

OpenRa.Game/Traits/InfantrySquad.cs

@@ -53,10 +53,10 @@ namespace OpenRa.Game.Traits
 
 		string currentSequence;
 
-		static int QuantizeFacingNicely(int facing, int n)
+		static int QuantizeFacing(int facing, int n)
 		{
 			var step = 256 / n;
-			var a = facing;
+			var a = (facing + step/2) & 0xff;
 			return a / step;
 		}
 
@@ -65,7 +65,7 @@ namespace OpenRa.Game.Traits
 			if (currentSequence == seq) return;
 
 			if (isFacing)
-				anim.PlayFetchIndex(seq, () => QuantizeFacingNicely(facing, anim.CurrentSequence.Length));
+				anim.PlayFetchIndex(seq, () => QuantizeFacing(facing, anim.CurrentSequence.Length));
 			else
 				anim.PlayRepeatingPreservingPosition(seq);
 
@@ -77,7 +77,7 @@ namespace OpenRa.Game.Traits
 			name = type;
 			anim = new Animation(type);
 			anim.PlayFetchIndex("stand",
-				() => facing / (256 / anim.CurrentSequence.Length) );
+				() => QuantizeFacing(facing, anim.CurrentSequence.Length));
 			location = initialLocation;
 			speed = ((UnitInfo.InfantryInfo)Rules.UnitInfo[name]).Speed / 2;
 		}
@@ -87,12 +87,12 @@ namespace OpenRa.Game.Traits
 			anim.Tick();
 			var d = (desiredLocation - location);
 
-			facing = self.traits.Get<Mobile>().facing;
+			facing = /*Util.GetFacing(d, facing); */ self.traits.Get<Mobile>().facing;
 
 			if (float2.WithinEpsilon(d, float2.Zero, .1f))
 				PlaySequence("stand", true);
 			else
-				PlaySequence("run-" + QuantizeFacingNicely(facing, 8), false);
+				PlaySequence("run-" + QuantizeFacing(facing, 8), false);
 
 			if (d.Length <= speed)
 				location = desiredLocation;