git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1365 993157c7-ee19-0410-b2c4-bb4e9862e678

2007-07-28 10:30:40 +00:00
parent 5d6fbbdfc9
commit 48e5da3945
13 changed files with 252 additions and 230 deletions
--- a/OpenRa.Game/UnitMissions.cs
+++ b/OpenRa.Game/UnitMissions.cs
@@ -0,0 +1,147 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace OpenRa.Game
+{
+	//Unit Missions:
+	//{
+	//in rules.ini:
+	//	Sleep - no-op
+	//	Harmless - no-op, and also not considered a threat
+	//	Sticky
+	//	Attack
+	//	Move
+	//	QMove
+	//	Retreat
+	//	Guard
+	//	Enter
+	//	Capture
+	//	Harvest
+	//	Area Guard
+	//	[Return] - unused
+	//	Stop
+	//	[Ambush] - unused
+	//	Hunt
+	//	Unload
+	//	Sabotage
+	//	Construction
+	//	Selling
+	//	Repair
+	//	Rescue
+	//	Missile
+	//
+	//not in original RA:
+	//	Deploy (Mcv -> Fact) [should this be construction/unload?]
+	//}
+
+	[Flags]
+	enum SupportedMissions
+	{
+		Stop = 0,
+		Harvest = 1,
+		Deploy = 2,
+	}
+
+	delegate void UnitMission( int t );
+	static class UnitMissions
+	{
+		public static UnitMission Sleep()
+		{
+			return delegate { };
+		}
+
+		public static UnitMission Move( Unit unit, int2 destination )
+		{
+			return delegate( int t )
+			{
+				Game game = unit.game;
+
+				if( unit.nextOrder != null )
+					destination = unit.toCell;
+
+				if( Turn( unit, unit.GetFacing( unit.toCell - unit.fromCell ) ) )
+					return;
+
+				unit.moveFraction += t * unit.unitInfo.Speed;
+				if( unit.moveFraction < unit.moveFractionTotal )
+					return;
+
+				unit.moveFraction = 0;
+				unit.moveFractionTotal = 0;
+				unit.fromCell = unit.toCell;
+
+				if( unit.toCell == destination )
+				{
+					unit.currentOrder = null;
+					return;
+				}
+
+				List<int2> res = game.pathFinder.FindUnitPath( unit.toCell, PathFinder.DefaultEstimator( destination ) );
+				if( res.Count != 0 )
+				{
+					unit.toCell = res[ res.Count - 1 ];
+
+					int2 dir = unit.toCell - unit.fromCell;
+					unit.moveFractionTotal = ( dir.X != 0 && dir.Y != 0 ) ? 2500 : 2000;
+				}
+				else
+					destination = unit.toCell;
+			};
+		}
+
+		public static UnitMission Deploy( Unit unit )
+		{
+			return delegate( int t )
+			{
+				Game game = unit.game;
+
+				if( Turn( unit, 12 ) )
+					return;
+
+				game.world.AddFrameEndTask( delegate
+				{
+					game.world.Remove( unit );
+					game.world.Add( new ConstructionYard( unit.fromCell - new int2( 1, 1 ), unit.owner, game ) );
+				} );
+				unit.currentOrder = null;
+			};
+		}
+
+
+		public static UnitMission Harvest( Unit unit )
+		{
+			UnitMission order = null;
+			order = delegate
+			{
+				// TODO: check that there's actually some ore in this cell :)
+
+				// face in one of the 8 directions
+				if( Turn( unit, ( unit.facing + 1 ) & ~3 ) )
+					return;
+
+				unit.currentOrder = delegate { };
+				if( unit.nextOrder == null )
+					unit.nextOrder = order;
+
+				string sequenceName = string.Format( "harvest{0}", unit.facing / 4 );
+				unit.animation.PlayThen( sequenceName, delegate
+				{
+					unit.currentOrder = null;
+					unit.animation.PlayFetchIndex( "idle", delegate { return unit.facing; } );
+				} );
+			};
+			return order;
+		}
+
+		static bool Turn( Unit unit, int desiredFacing )
+		{
+			if( unit.facing == desiredFacing )
+				return false;
+
+			int df = ( desiredFacing - unit.facing + 32 ) % 32;
+			unit.facing = ( unit.facing + ( df > 16 ? 31 : 1 ) ) % 32;
+			return true;
+		}
+	}
+}