git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1313 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.Game/Animation.cs

@@ -10,6 +10,7 @@ namespace OpenRa.Game
 		readonly string name;
 		Sequence currentSequence;
 		int frame = 0;
+		bool tickAlways;
 
 		public Animation( string name )
 		{
@@ -31,6 +32,7 @@ namespace OpenRa.Game
 
 		public void PlayThen( string sequenceName, MethodInvoker after )
 		{
+			tickAlways = false;
 			currentSequence = SequenceProvider.GetSequence( name, sequenceName );
 			frame = 0;
 			tickFunc = delegate
@@ -45,17 +47,34 @@ namespace OpenRa.Game
 			};
 		}
 
+		public delegate int IndexFetchFunc();
+		public void PlayFetchIndex( string sequenceName, IndexFetchFunc func )
+		{
+			tickAlways = true;
+			currentSequence = SequenceProvider.GetSequence( name, sequenceName );
+			frame = func();
+			tickFunc = delegate
+			{
+				frame = func();
+			};
+		}
+
 		double timeUntilNextFrame;
 
 		Action<double> tickFunc;
 		public void Tick( double t )
+		{
+			if( tickAlways )
+				tickFunc( t );
+			else
 			{
 				timeUntilNextFrame -= t;
 				while( timeUntilNextFrame <= 0 )
 				{
-				tickFunc( t );
+					tickFunc( 40.0 / 1000.0 );
 					timeUntilNextFrame += ( 40.0 / 1000.0 ); // 25 fps == 40 ms
 				}
 			}
 		}
 	}
+}

OpenRa.Game/Harvester.cs

@@ -6,16 +6,59 @@ namespace OpenRa.Game
 {
 	class Harvester : Unit
 	{
-		static Sequence idle = SequenceProvider.GetSequence("harv", "idle");
-
-		public override Sprite[] CurrentImages
-		{
-			get { return new Sprite[] { idle.GetSprite(facing) }; }
-		}
-
 		public Harvester( int2 cell, int palette )
-			: base(cell, palette, new float2(12,12))
+			: base( "harv", cell, palette, new float2( 12, 12 ) )
 		{
 		}
+
+		public override IOrder Order( int2 xy )
+		{
+			if( ( fromCell == toCell || moveFraction == 0 ) && fromCell == xy )
+				return new HarvestOrder( this );
+			return base.Order( xy );
+		}
+
+		void AcceptHarvestOrder()
+		{
+			TickFunc order = null;
+			order = nextOrder = delegate
+			 {
+				 // TODO: check that there's actually some ore in this cell :)
+
+				 // face in one of the 8 directions
+				 int desiredFacing = ( facing + 1 ) & 28;
+				 if( facing != desiredFacing )
+				 {
+					 Turn( desiredFacing );
+					 return;
+				 }
+
+				 currentOrder = delegate { };
+				 if( nextOrder == null )
+					 nextOrder = order;
+
+				 string sequenceName = string.Format( "harvest{0}", facing / 4 );
+				 animation.PlayThen( sequenceName, delegate
+				 {
+					 currentOrder = null;
+					 animation.PlayFetchIndex( "idle", delegate { return facing; } );
+				 } );
+			 };
+		}
+
+		public class HarvestOrder : IOrder
+		{
+			Harvester harvester;
+
+			public HarvestOrder( Harvester harv )
+			{
+				harvester = harv;
+			}
+
+			public void Apply()
+			{
+				harvester.AcceptHarvestOrder();
+			}
+		}
 	}
 }

OpenRa.Game/Mcv.cs

@@ -9,10 +9,8 @@ namespace OpenRa.Game
 {
 	class Mcv : Unit
 	{
-		static Sequence sequence = SequenceProvider.GetSequence("mcv", "idle");
-
 		public Mcv( int2 location, int palette )
-			: base(location, palette, new float2(12, 12))
+			: base( "mcv", location, palette, new float2( 12, 12 ) )
 		{
 		}
 
@@ -39,11 +37,6 @@ namespace OpenRa.Game
 			};
 		}
 
-		public override Sprite[] CurrentImages
-		{
-			get { return new Sprite[] { sequence.GetSprite(facing) }; }
-		}
-
 		public override IOrder Order( int2 xy )
 		{
 			if( ( fromCell == toCell || moveFraction == 0 ) && fromCell == xy )

OpenRa.Game/Truck.cs

@@ -6,16 +6,9 @@ namespace OpenRa.Game
 {
 	class Truck : Unit
 	{
-		static Sequence sequence = SequenceProvider.GetSequence("truk", "idle");
-
 		public Truck( int2 cell, int palette )
-			: base(cell, palette, float2.Zero)
+			: base( "truk", cell, palette, float2.Zero )
 		{
 		}
-
-		public override Sprite[] CurrentImages
-		{
-			get { return new Sprite[] { sequence.GetSprite(facing) }; }
-		}
 	}
 }

OpenRa.Game/Unit.cs

@@ -6,6 +6,8 @@ namespace OpenRa.Game
 {
 	abstract class Unit : Actor, ISelectable
 	{
+		protected Animation animation;
+
 		protected int facing = 0;
 		protected int2 fromCell, toCell;
 		protected int moveFraction, moveFractionTotal;
@@ -16,11 +18,14 @@ namespace OpenRa.Game
 
 		protected readonly float2 renderOffset;
 
-		public Unit( int2 cell, int palette, float2 renderOffset )
+		public Unit( string name, int2 cell, int palette, float2 renderOffset )
 		{
 			fromCell = toCell = cell;
 			this.renderOffset = renderOffset;
 			this.palette = palette;
+
+			animation = new Animation( name );
+			animation.PlayFetchIndex( "idle", delegate { return facing; } );
 		}
 
 		static float2[] fvecs = Util.MakeArray<float2>( 32,
@@ -51,6 +56,7 @@ namespace OpenRa.Game
 
 		public override void Tick( World world, double t )
 		{
+			animation.Tick( t );
 			if( currentOrder == null && nextOrder != null )
 			{
 				currentOrder = nextOrder;
@@ -128,5 +134,10 @@ namespace OpenRa.Game
 				return ( location - renderOffset ).Round(); ;
 			}
 		}
+
+		public override Sprite[] CurrentImages
+		{
+			get { return animation.Images; }
+		}
 	}
 }

sequences.xml

@@ -64,6 +64,14 @@
 	
 	<unit name="harv">
 		<sequence name="idle" start="0" length="32"/>
+		<sequence name="harvest0" start="32" length="8"/>
+		<sequence name="harvest1" start="40" length="8"/>
+		<sequence name="harvest2" start="48" length="8"/>
+		<sequence name="harvest3" start="56" length="8"/>
+		<sequence name="harvest4" start="64" length="8"/>
+		<sequence name="harvest5" start="72" length="8"/>
+		<sequence name="harvest6" start="80" length="8"/>
+		<sequence name="harvest7" start="88" length="8"/>
 	</unit>
 	
 </sequences>