//public Object WayPointsLock = new Object();
public PathFindRequest(MoveCommand command, PathNode startNode, int priority, bool queued, bool avoidUnits)
{
Command = command;
StartNode = startNode;
AvoidUnits = avoidUnits;
Priority = priority;
Queued = queued;
AttackCommand attackCommand = command as AttackCommand;
if (attackCommand != null)
{
Target = attackCommand.Target;
}
HarvestCommand harvestCommand = command as HarvestCommand;
if (harvestCommand != null)
{
Target = harvestCommand.TargetResource;
}
ReturnCargoCommand returnCargoCommand = command as ReturnCargoCommand;
if (returnCargoCommand != null)
{
Target = returnCargoCommand.TargetStructure;
}
}
void processUnitAttackCommandBatch(NetIncomingMessage msg)
{
float scheduledTime = msg.ReadFloat();
short team = msg.ReadInt16();
bool queued = msg.ReadBoolean();
short count = msg.ReadInt16();
RtsObject target;
short targetIsStructure = msg.ReadInt16();
if (targetIsStructure == 0)
{
short targetID = msg.ReadInt16();
short targetTeam = msg.ReadInt16();
target = Player.Players[targetTeam].UnitArray[targetID];
}
else
{
short targetID = msg.ReadInt16();
short targetTeam = msg.ReadInt16();
target = Player.Players[targetTeam].StructureArray[targetID];
}
for (int i = 0; i < count; i++)
{
Unit unit = Player.Players[team].UnitArray[msg.ReadInt16()];
if (unit != null)
{
AttackCommand attackCommand = new AttackCommand(unit, target, false, false);
Player.Players[target.Team].ScheduledActions.Add(new ScheduledUnitCommand(scheduledTime, attackCommand, queued));
//Rts.pathFinder.AddHighPriorityPathFindRequest(attackCommand, (int)Vector2.DistanceSquared(attackCommand.Unit.CenterPoint, attackCommand.Destination), false);
}
}
}
void performAttackIfStarted(AttackCommand command)
{
if (attackStarted)
{
if (timeSinceLastAttack >= initialAttackDelay)
{
attackStarted = false;
RtsBullet b = new RtsBullet(this, command.Target, centerPoint, BulletSize, 200);
b.Texture = BulletTexture;
}
}
}
// when attacking
void checkForPush(AttackCommand command)
{
lock (PotentialCollisions)
{
foreach (Unit unit in PotentialCollisions)
{
if (Intersects(unit))
{
float angle = (float)Math.Atan2(unit.centerPoint.Y - centerPoint.Y, unit.centerPoint.X - centerPoint.X);
float distance = Radius + unit.Radius;
float force = distance - Vector2.Distance(unit.centerPoint, centerPoint);
if (unit == command.Target)
{
PushSimple(angle + (float)Math.PI, force);
}
//else if (unit.IsAttacking && ((AttackCommand)unit.Commands[0]).Target == command.Target)
//{
// PushSimple(angle + (float)Math.PI, force);
//}
else if (unit.IsAttacking && unit.isWithinRangeOfTarget)
{
PushSimple(angle + (float)Math.PI, force);
avoidingUnits = true;
isWithinRangeOfTarget = true;
}
else
{
//pushCount++;
float sizeRatio = this.Diameter / unit.Diameter;
float pushForce = force * (.1f * sizeRatio);
unit.Push(this, angle, pushForce);
PushSimple(angle + (float)Math.PI, force - pushForce);
//unit.Push(this, angle, force * (.1f);
//PushSimple(angle + (float)Math.PI, force * .9f);
}
}
}
}
}
public void NextCommand()
{
if (Commands.Count == 0)
return;
UnitCommand lastCommand = Commands[0];
lastCommand.Active = false;
Commands.RemoveAt(0);
//Player.Players[Team].UnitCommands.Remove(lastCommand);
IgnoringCollision = false;
MoveCommand lastMoveCommand = lastCommand as MoveCommand;
if (lastMoveCommand != null)
{
lastMoveDestination = lastWayPoint;
if (Commands.Count > 0 && Commands[0] is MoveCommand)
{
MoveCommand newMoveCommand = (MoveCommand)Commands[0];
//if (Team == Player.Me.Team)
Rts.pathFinder.AddPathFindRequest(newMoveCommand, false, false, false);
//newMoveCommand.WayPoints = PathFinder.FindPath(CurrentPathNode, newMoveCommand.Destination, false);
IgnoringCollision = (newMoveCommand is HarvestCommand || newMoveCommand is ReturnCargoCommand);
return;
}
}
// look for new target immediately if on attack move command
if (Commands.Count > 0 && Commands[0] is AttackMoveCommand)
{
AttackMoveCommand attackMoveCommand = (AttackMoveCommand)Commands[0];
RtsObject target = FindNearestTarget();
if (target != null)
{
Commands[0] = new AttackCommand(this, target, true, false);
Commands.Insert(1, attackMoveCommand);
//IgnoringCollision = false;
//return;
}
}
timeSinceLastRecalculatePath = 0;
attackStarted = false;
}
public void GiveCommand(MoveCommand command)
{
if (Busy)
{
if (Commands.Count > 1)
{
//for (int i = 1; i < Commands.Count - 1; i++)
// Player.Players[Team].UnitCommands.Remove(Commands[i]);
Commands.RemoveRange(1, Commands.Count - 1);
}
return;
}
IgnoringCollision = (command is HarvestCommand || command is ReturnCargoCommand);
// use previous path with new destination tacked on until new path is calculated
// (LoL style)
int commandPriority = -1;
if (Commands.Count > 0 && !command.Calculated)
{
MoveCommand lastMoveCommand = Commands[0] as MoveCommand;
if (lastMoveCommand != null)
{
if (lastMoveCommand.Destination == command.Destination)
return;
command.WayPoints = lastMoveCommand.WayPoints;
command.WayPoints.Add(command.Destination);
Rts.pathFinder.Tools.SmoothPathEnd(command.WayPoints, this);
commandPriority = ((int)Vector2.DistanceSquared(lastMoveCommand.Destination, command.Destination) + (int)Vector2.DistanceSquared(centerPoint, command.Destination)) / 2;
}
}
deactivateAllCommands();
clearCommands();
Commands.Add(command);
lastWayPoint = centerPoint;
lastMoveDestination = command.Destination;
timeSinceLastRecalculatePath = 0;
//command.WayPoints = PathFinder.FindPath(CurrentPathNode, command.Destination, false);
if (command is ReturnCargoCommand || command is HarvestCommand)
commandPriority = int.MaxValue / 2 + (int)Vector2.DistanceSquared(centerPoint, command.Destination);
else if (commandPriority == -1)
commandPriority = (int)Vector2.DistanceSquared(centerPoint, command.Destination);
//AttackCommand attackCommand = command as AttackCommand;
//if (attackCommand != null)
//PathFinder.AddHighPriorityPathFindRequest(this, command, CurrentPathNode, commandPriority, false);
//else
//if (Team == Player.Me.Team)
//PathFinder.AddHighPriorityPathFindRequest(command, commandPriority, false);
// look for target if attack move command
if (command is AttackMoveCommand)
{
RtsObject target = FindNearestTarget();
if (target != null)
{
Commands[0] = new AttackCommand(this, target, true, false);
Commands.Insert(1, command);
return;
}
timeSinceLastLookForTarget = lookForTargetDelay;
}
}
void performAttackIfStarted(AttackCommand command)
{
if (attackStarted)
{
if (timeSinceLastAttack >= initialAttackDelay)
{
attackStarted = false;
RtsBullet b = new RtsBullet(type.BulletType, this, command.Target, centerPoint, BulletSize, BulletSpeed);
}
}
}
void LookForNewTarget(AttackCommand command)
{
}
void AttackMove(AttackMoveCommand command, GameTime gameTime)
{
/*List<RtsObject> targets = new List<RtsObject>();
lock (VisibleTiles)
{
foreach (MapTile tile in VisibleTiles)
{
foreach (Unit unit in PathFinder.PathNodes[tile.Y, tile.X].UnitsContained)
{
if (unit.Team != Team)
{
Commands[0] = new AttackCommand(unit);
Commands.Insert(1, command);
return;
}
}
}
}*/
if (timeSinceLastLookForTarget >= lookForTargetDelay)
{
timeSinceLastLookForTarget = 0;
RtsObject target = FindNearestTarget();
if (target != null)
{
Commands[0] = new AttackCommand(this, target, true, false);
Commands.Insert(1, command);
return;
}
}
Move(command, gameTime);
}
//int initialAttackDelay = 0;// = 150;
void Attack(AttackCommand command, GameTime gameTime)
{
avoidingUnits = false;
isWithinRangeOfTarget = false;
// if original target is gone, stop attack
if (command.Target == null || command.Target.IsDead)
{
attackStarted = false;
if (command.HoldPosition)
GiveCommand(new HoldPositionCommand(this));
else
NextCommand();
return;
}
clearPushStatus();
clearHitWallStatus();
//float angle = (float)Math.Atan2(command.Target.CenterPoint.Y - centerPoint.Y, command.Target.CenterPoint.X - centerPoint.X);
float distanceToTarget = Vector2.Distance(centerPoint, command.Target.CenterPoint) - (Radius + command.Target.Radius);
if (distanceToTarget <= attackRange)
{
isWithinRangeOfTarget = true;
// begin attack animation
if (timeSinceLastAttack >= attackDelay)
{
timeSinceLastAttack = 0;
attackStarted = true;
}
turnTowards(command.Target.CenterPoint, 120 / Radius, gameTime);
}
else if (attackStarted)
{
isWithinRangeOfTarget = false;
attackStarted = false;
}
else if (!attackStarted)
{
Vector2 wayPoint = command.WayPoints[0];
if (!command.HoldPosition)
{
//float moveX = Util.ScaleWithGameTime(speed.X, gameTime);
//float moveY = Util.ScaleWithGameTime(speed.Y, gameTime);
Speed = MathHelper.Min(Speed + acceleration, MaxSpeed);
float moveX = Util.ScaleWithGameTime(Speed, gameTime);
float moveY = moveX;
Vector2 difference = wayPoint - centerPoint;
if (Math.Abs(difference.X) < moveX && Math.Abs(difference.Y) < moveY)
{
this.CenterPoint = wayPoint;
HasMoved = true;
lastWayPoint = wayPoint;
if (command.WayPoints.Count > 1)
command.NextWayPoint(this, Rts.pathFinder);
return;
}
float angle = (float)Math.Atan2(wayPoint.Y - centerPoint.Y, wayPoint.X - centerPoint.X);
moveX *= (float)Math.Cos(angle);
moveY *= (float)Math.Sin(angle);
lastMove.X = moveX;
lastMove.Y = moveY;
PrecisePosition += lastMove;
HasMoved = true;
}
checkForWallHit(command);
// checkForPush sets avoidingUnits
checkForPush(command);
command.Destination = command.Target.CenterPoint;
if (!turnTowards(wayPoint, 120 / Radius, gameTime))
{
Speed = MathHelper.Max(Speed - Util.ScaleWithGameTime(acceleration, gameTime), 0);
}
if (!command.HoldPosition)
{
if (timeSinceLastRecalculatePath >= recalculatePathDelay)// && command.Calculated)
{
timeSinceLastRecalculatePath = 0;
Rts.pathFinder.AddPathFindRequest(command, false, true, avoidingUnits);
}
// repath to avoid units
/*if (avoidingUnits)
{
if (timeSinceLastRecalculatePath >= recalculatePathDelay)// && command.Calculated)
{
timeSinceLastRecalculatePath = 0;
PathFinder.AddLowPriorityPathFindRequest(this, command, CurrentPathNode, (int)Vector2.DistanceSquared(centerPoint, command.Destination), true);
}
}
// normal repathing
else if (timeSinceLastRecalculatePath >= recalculatePathDelay)// && command.Calculated)
{
timeSinceLastRecalculatePath = 0;
PathFinder.AddLowPriorityPathFindRequest(this, command, CurrentPathNode, (int)Vector2.DistanceSquared(centerPoint, command.Destination), false);
}*/
}
}
// periodically switch or lose target
if (command.Target.Team != Team && timeSinceLastLookForTarget >= lookForTargetDelay)
{
timeSinceLastLookForTarget = 0;
// switch to closer target if possible
if (command.WillingToChangeTarget)
{
RtsObject newTarget = FindNearestTarget();
if (newTarget == null)
{
if (command.HoldPosition)
GiveCommand(new HoldPositionCommand(this));
else
NextCommand();
}
else
{
command.Target = newTarget;
return;
}
}
//else if (command.WillingToChangeTarget)
// command.Target = newTarget;
// lose target if out of vision
//if (!command.Target.CurrentPathNode.Tile.Visible)
if (!command.Target.Visible)
{
//if (command.HoldPosition)
// GiveCommand(new HoldPositionCommand());
//else
// nextCommand();
command.Target = null;
}
}
}
public void Update(GameTime gameTime)
{
int elapsedMilliseconds = (int)gameTime.ElapsedGameTime.TotalMilliseconds;
timeSinceLastRecalculatePath += elapsedMilliseconds;
timeSinceLastAttack += elapsedMilliseconds;
updateCurrentPathNode();
if (Commands.Count == 0)
{
return;
}
UnitCommand command = Commands[0];
if (command is AttackCommand)
{
AttackCommand attackCommand = (AttackCommand)command;
if (attackCommand.Target.IsDead)
{
nextCommand();
}
else
{
Attack(attackCommand, gameTime);
performAttackIfStarted(attackCommand);
}
}
else if (command is MoveCommand)
{
MoveCommand moveCommand = (MoveCommand)command;
/*if (timeSinceLastRecalculatePath >= recalculatePathDelay && moveCommand.Calculated)
* {
* timeSinceLastRecalculatePath = 0;
* PathFinder.AddLowPriorityPathFindRequest(this, moveCommand, CurrentPathNode, (int)Vector2.Distance(centerPoint, moveCommand.Destination), false);
* }*/
//if (instanceFrameCount % reCalculatePathFrameDelay == 1)
// PathFinder.SmoothPath(moveCommand.WayPoints, this);
Move(moveCommand, gameTime);
}
// update attack command destinations
for (int i = 0; i < Commands.Count; i++)
{
AttackCommand c = Commands[i] as AttackCommand;
if (c != null)
{
if (c.Target.IsDead)
{
Commands.Remove(c);
i--;
}
else
{
c.Destination = c.Target.CenterPoint;
}
}
}
// update queued command starting points
for (int i = 1; i < Commands.Count; i++)
{
MoveCommand c = Commands[i] as MoveCommand;
MoveCommand previous = Commands[i - 1] as MoveCommand;
if (c != null && previous != null)
{
c.WayPoints[0] = previous.Destination;
}
}
// recalculate queued paths
/*if (command is MoveCommand && instanceFrameCount % (reCalculatePathFrameDelay) == 0)
* {
* MoveCommand moveCommand = (MoveCommand)command;
* for (int i = 1; i < Commands.Count; i++)
* {
* MoveCommand c = Commands[i] as MoveCommand;
* MoveCommand previousCommand = Commands[i - 1] as MoveCommand;
* if (c != null && previousCommand != null)
* {
* int y = (int)MathHelper.Clamp(previousCommand.Destination.Y / Map.TileSize, 0, Map.Height - 1);
* int x = (int)MathHelper.Clamp(previousCommand.Destination.X / Map.TileSize, 0, Map.Width - 1);
*
* PathNode node = PathFinder.PathNodes[y, x];
* if (!node.Tile.Walkable)
* node = PathFinder.FindNearestPathNode(y, x);
*
* c.WayPoints = PathFinder.FindPath(node, c.Destination, false);
* }
* }
* }*/
}
void Attack(AttackCommand command, GameTime gameTime)
{
avoidingUnits = false;
isWithinRangeOfTarget = false;
if (command.Target.IsDead)
{
nextCommand();
return;
}
clearPushStatus();
clearHitWallStatus();
//float angle = (float)Math.Atan2(command.Target.CenterPoint.Y - centerPoint.Y, command.Target.CenterPoint.X - centerPoint.X);
float distanceToTarget = Vector2.Distance(centerPoint, command.Target.CenterPoint) - (Radius + command.Target.Radius);
if (distanceToTarget <= attackRange)
{
isWithinRangeOfTarget = true;
// begin attack animation
if (timeSinceLastAttack >= attackDelay)
{
timeSinceLastAttack = 0;
attackStarted = true;
}
turnTowards(command.Target.CenterPoint, 120 / Radius, gameTime);
}
else if (!attackStarted)
{
float moveX = Util.ScaleWithGameTime(speed.X, gameTime);
float moveY = Util.ScaleWithGameTime(speed.Y, gameTime);
Vector2 wayPoint = command.WayPoints[0];
Vector2 difference = wayPoint - centerPoint;
if (Math.Abs(difference.X) < moveX && Math.Abs(difference.Y) < moveY)
{
this.CenterPoint = wayPoint;
lastWayPoint = wayPoint;
if (command.WayPoints.Count > 1)
command.NextWayPoint(this, PathFinder);
return;
}
float angle = (float)Math.Atan2(wayPoint.Y - centerPoint.Y, wayPoint.X - centerPoint.X);
moveX *= (float)Math.Cos(angle);
moveY *= (float)Math.Sin(angle);
lastMove.X = moveX;
lastMove.Y = moveY;
PrecisePosition += lastMove;
checkForWallHit();
// checkForPush sets avoidingUnits
checkForPush(command);
command.Destination = command.Target.CenterPoint;
turnTowards(wayPoint, 120 / Radius, gameTime);
}
if (avoidingUnits)
{
if (timeSinceLastRecalculatePath >= recalculatePathDelay * 2)
{
timeSinceLastRecalculatePath = 0;
//command.WayPoints = PathFinder.FindPath(CurrentPathNode, command.Target.CenterPoint, true);
PathFinder.AddLowPriorityPathFindRequest(this, command, CurrentPathNode, (int)Vector2.DistanceSquared(centerPoint, command.Destination), true);
}
}
else if (timeSinceLastRecalculatePath >= recalculatePathDelay)
{
timeSinceLastRecalculatePath = 0;
//command.WayPoints = PathFinder.FindPath(CurrentPathNode, command.Target.CenterPoint, false);
PathFinder.AddLowPriorityPathFindRequest(this, command, CurrentPathNode, (int)Vector2.DistanceSquared(centerPoint, command.Destination), false);
}
}
void performAttackIfStarted(AttackCommand command)
{
if (attackStarted)
{
if (timeSinceLastAttack >= initialAttackDelay)
{
attackStarted = false;
RtsBullet b = new RtsBullet(this, command.Target, centerPoint, BulletSize, 200);
b.Texture = BulletTexture;
}
}
}
void Attack(AttackCommand command, GameTime gameTime)
{
avoidingUnits = false;
isWithinRangeOfTarget = false;
if (command.Target.IsDead)
{
nextCommand();
return;
}
clearPushStatus();
clearHitWallStatus();
//float angle = (float)Math.Atan2(command.Target.CenterPoint.Y - centerPoint.Y, command.Target.CenterPoint.X - centerPoint.X);
float distanceToTarget = Vector2.Distance(centerPoint, command.Target.CenterPoint) - (Radius + command.Target.Radius);
if (distanceToTarget <= attackRange)
{
isWithinRangeOfTarget = true;
// begin attack animation
if (timeSinceLastAttack >= attackDelay)
{
timeSinceLastAttack = 0;
attackStarted = true;
}
turnTowards(command.Target.CenterPoint, 120 / Radius, gameTime);
}
else if (!attackStarted)
{
float moveX = Util.ScaleWithGameTime(speed.X, gameTime);
float moveY = Util.ScaleWithGameTime(speed.Y, gameTime);
Vector2 wayPoint = command.WayPoints[0];
Vector2 difference = wayPoint - centerPoint;
if (Math.Abs(difference.X) < moveX && Math.Abs(difference.Y) < moveY)
{
this.CenterPoint = wayPoint;
lastWayPoint = wayPoint;
if (command.WayPoints.Count > 1)
{
command.NextWayPoint(this, PathFinder);
}
return;
}
float angle = (float)Math.Atan2(wayPoint.Y - centerPoint.Y, wayPoint.X - centerPoint.X);
moveX *= (float)Math.Cos(angle);
moveY *= (float)Math.Sin(angle);
lastMove.X = moveX;
lastMove.Y = moveY;
PrecisePosition += lastMove;
checkForWallHit();
// checkForPush sets avoidingUnits
checkForPush(command);
command.Destination = command.Target.CenterPoint;
turnTowards(wayPoint, 120 / Radius, gameTime);
}
if (avoidingUnits)
{
if (timeSinceLastRecalculatePath >= recalculatePathDelay * 2)
{
timeSinceLastRecalculatePath = 0;
//command.WayPoints = PathFinder.FindPath(CurrentPathNode, command.Target.CenterPoint, true);
PathFinder.AddLowPriorityPathFindRequest(this, command, CurrentPathNode, (int)Vector2.DistanceSquared(centerPoint, command.Destination), true);
}
}
else if (timeSinceLastRecalculatePath >= recalculatePathDelay)
{
timeSinceLastRecalculatePath = 0;
//command.WayPoints = PathFinder.FindPath(CurrentPathNode, command.Target.CenterPoint, false);
PathFinder.AddLowPriorityPathFindRequest(this, command, CurrentPathNode, (int)Vector2.DistanceSquared(centerPoint, command.Destination), false);
}
}
void processUnitAttackCommandBatch(NetIncomingMessage msg)
{
float scheduledTime = msg.ReadFloat();
short team = msg.ReadInt16();
bool queued = msg.ReadBoolean();
short count = msg.ReadInt16();
RtsObject target;
short targetIsStructure = msg.ReadInt16();
if (targetIsStructure == 0)
{
short targetID = msg.ReadInt16();
short targetTeam = msg.ReadInt16();
target = Player.Players[targetTeam].UnitArray[targetID];
}
else
{
short targetID = msg.ReadInt16();
short targetTeam = msg.ReadInt16();
target = Player.Players[targetTeam].StructureArray[targetID];
}
for (int i = 0; i < count; i++)
{
Unit unit = Player.Players[team].UnitArray[msg.ReadInt16()];
if (unit != null)
{
AttackCommand attackCommand = new AttackCommand(unit, target, false, false);
Player.Players[target.Team].ScheduledActions.Add(new ScheduledUnitCommand(scheduledTime, attackCommand, queued));
//Rts.pathFinder.AddHighPriorityPathFindRequest(attackCommand, (int)Vector2.DistanceSquared(attackCommand.Unit.CenterPoint, attackCommand.Destination), false);
}
}
}
// when attacking
protected void checkForPush(AttackCommand command)
{
//lock (PotentialCollisions)
{
foreach (Unit unit in PotentialCollisions)
{
if (!unit.IgnoringCollision && Intersects(unit))
{
float angle = (float)Math.Atan2(unit.centerPoint.Y - centerPoint.Y, unit.centerPoint.X - centerPoint.X);
float distance = Radius + unit.Radius;
float force = distance - Vector2.Distance(unit.centerPoint, centerPoint);
if (unit.Team != Team || unit == command.Target)
{
PushSimple(angle + (float)Math.PI, force);
}
//else if (unit.IsAttacking && ((AttackCommand)unit.Commands[0]).Target == command.Target)
//{
// PushSimple(angle + (float)Math.PI, force);
//}
else if (unit.IsAttacking && unit.isWithinRangeOfTarget)
{
PushSimple(angle + (float)Math.PI, force);
avoidingUnits = true;
isWithinRangeOfTarget = true;
}
else
{
//pushCount++;
float sizeRatio = this.Diameter / unit.Diameter;
float pushForce = force * (.1f * sizeRatio);
unit.Push(this, angle, pushForce);
PushSimple(angle + (float)Math.PI, force - pushForce);
//unit.Push(this, angle, force * (.1f);
//PushSimple(angle + (float)Math.PI, force * .9f);
}
}
}
}
}
void giveAttackCommand(Vector2 mousePosition)
{
foreach (Unit unit in Unit.Units)
{
if (unit.Contains(mousePosition))
{
UnitAnimation redCircleAnimation = new UnitAnimation(unit, unit.Width, .75f, 8, false, redCircleTexture, transparentTexture);
redCircleAnimation.Start();
foreach (Unit u in SelectedUnits)
{
if (u != unit)
{
if (keyboardState.IsKeyUp(Keys.LeftShift))
{
AttackCommand command = new AttackCommand(unit);
u.GiveCommand(command);
Unit.PathFinder.AddHighPriorityPathFindRequest(u, command, u.CurrentPathNode, (int)Vector2.DistanceSquared(u.CenterPoint, command.Destination), false);
//u.GiveCommand(new AttackCommand(unit));
}
else
u.QueueCommand(new AttackCommand(unit));
}
}
return;
}
}
giveMoveCommand(mousePosition);
}