private void CeaseFire()
{
_isShooting = false;
_target = null;
_sightList.Clear();
_isFollowing = false;
}
private void Shoot(AIObject attack_aiobj)
{
if (_target != null)
{
_isShooting = true;
}
}
public void Select(AIObject item)
{
ClearSelect();
_selectedObject = item;
_selectedTeam = item.Team;
item.Selected = true;
}
public void ClearSelect()
{
foreach (AIObject aiobj in _aiobjects)
{
aiobj.Selected = false;
}
_selectedObject = null;
_selectedTeam = null;
}
public void Attack(AIObject attack_aiobj)
{
this.Status = AIMovementStatus.Run;
_target = attack_aiobj;
_holdFire = false;
Follow(attack_aiobj);
Shoot(attack_aiobj);
_actualAction = AIAction.Attack;
OccupyBy(AIAction.Attack);
}
public bool Sees(AIObject seen_aiobj)
{
foreach (SeenAIObject obj in _sightList)
{
if (obj.aiobj == seen_aiobj)
{
return(true);
}
}
return(false);
}
private bool PreviousStateContains(AIObject aiobj)
{
foreach (AIObject obj in _aiobjects_prev)
{
if (obj == aiobj)
{
return(true);
}
}
return(false);
}
public bool IsAllowedToEnter(AIObject aiobj)
{
if (IsEmpty)
{
return(true);
}
else
{
// return aiobj.Team.TeamType == TeamInside;
return(false);
}
}
public AIStatic GetActualCover(AIObject aiobj)
{
AIStatic actual = GetNearestStatic(aiobj.Position, AIStaticType.Cover);
if (actual.IsObjectLocatedInside(aiobj))
{
return(actual);
}
else
{
return(null);
}
}
private bool IsInRange(AIObject aiobj)
{
// check if the object is on a proper side of the view matrix
Vector3 v1 = ViewDirection;
Vector3 v2 = Target.Position - Position;
v1.Normalize();
v2.Normalize();
if (Vector3.Dot(v1, v2) < 0)
{
return(false);
}
return
((aiobj.Position - Position).Length() <= _sightRange &&
Sees(aiobj));
}
public void SelectTeam(AITeamType team)
{
ClearSelect();
foreach (AITeam t in _teams)
{
if (t.TeamType == team)
{
_selectedTeam = t;
}
}
foreach (AIObject aiobj in _aiobjects)
{
if (aiobj.Team == _selectedTeam)
{
aiobj.Selected = true;
if (aiobj.IsLeader)
{
_selectedObject = aiobj;
aiobj.Selected = true;
}
}
}
}
public void Follow(AIObject aiobj_to_follow)
{
_target = aiobj_to_follow;
_isFollowing = true;
}
public void SelectTeam(AITeamType team)
{
ClearSelect();
foreach (AITeam t in _teams)
{
if(t.TeamType == team)
_selectedTeam = t;
}
foreach (AIObject aiobj in _aiobjects)
{
if (aiobj.Team == _selectedTeam)
{
aiobj.Selected = true;
if (aiobj.IsLeader)
{
_selectedObject = aiobj;
aiobj.Selected = true;
}
}
}
}
public void Follow(AIObject aiobj_to_follow)
{
_target = aiobj_to_follow;
_isFollowing = true;
}
public bool ObjectJustArrived(AIObject aiobj)
{
return(!PreviousStateContains(aiobj) && _aiobjects.Contains(aiobj));
}
public AIStatic GetActualCover(AIObject aiobj)
{
AIStatic actual = GetNearestStatic(aiobj.Position, AIStaticType.Cover);
if (actual.IsObjectLocatedInside(aiobj))
return actual;
else
return null;
}
private void Shoot(AIObject attack_aiobj)
{
if (_target != null)
{
_isShooting = true;
}
}
public bool IsObjectLocatedInside(AIObject aiobj)
{
return((this.Position - aiobj.Position).Length() <= _radius);
}
private bool IsInRange(AIObject aiobj)
{
// check if the object is on a proper side of the view matrix
Vector3 v1 = ViewDirection;
Vector3 v2 = Target.Position - Position;
v1.Normalize();
v2.Normalize();
if (Vector3.Dot(v1, v2) < 0)
return false;
return
(aiobj.Position - Position).Length() <= _sightRange &&
Sees(aiobj);
}
private void CeaseFire()
{
_isShooting = false;
_target = null;
_sightList.Clear();
_isFollowing = false;
}
public bool Sees(AIObject seen_aiobj)
{
foreach (SeenAIObject obj in _sightList)
{
if (obj.aiobj == seen_aiobj)
return true;
}
return false;
}
private void UpdateInput()
{
MouseState mouseState = Mouse.GetState();
// SELECT
if (AIGame.LeftButtonJustPressed())
{
bool was_selected = false;
foreach (AIObject aiobj in _aiobjects)
{
Ray pickRay = MathExtra.CalculateCursorRay(AIGame.camera.ProjectionMatrix, AIGame.camera.ViewMatrix);
float?rayLength
= aiobj.BoundingBox.Intersects(pickRay);
if (rayLength != null)
{
if (Keyboard.GetState().IsKeyDown(Microsoft.Xna.Framework.Input.Keys.LeftShift))
{
SelectTeam(aiobj.Team.TeamType);
aiobj.Team.OperateAsAUnit = true;
}
else
{
Select(aiobj);
}
was_selected = true;
}
}
if (!was_selected)
{
ClearSelect();
}
}
// MOVE OR ATTACK
if (AIGame.RightButtonJustPressed() && AIGame.camera.CurrentBehavior == Camera.Behavior.FreeView)
{
if (_selectedObject == null)
{
return;
}
AIObject temp_aiobj = null;
float? rayLength;
foreach (AIObject aiobj in _aiobjects)
{
Ray pickRay = MathExtra.CalculateCursorRay(AIGame.camera.ProjectionMatrix, AIGame.camera.ViewMatrix);
rayLength = aiobj.BoundingBox.Intersects(pickRay);
if (rayLength != null)
{
temp_aiobj = aiobj;
}
}
_selectedObject.CancelPreviousActions();
// only move
if (temp_aiobj == null)
{
_selectedObject.MoveTo(AIGame.terrain.groundCursorPosition * Settings.TERRAIN_TEXTURE_SIZE);
if (_selectedObject.IsLeader &&
_selectedTeam.KeepFormation &&
_selectedTeam.Formation != AIFormation.Spread)
{
_selectedTeam.ToFormation(_selectedTeam.Formation);
}
if (_selectedTeam.KeepFormation &&
_selectedObject == _selectedTeam.Leader)
{
if (_selectedTeam.Leader.HasJustStopped)
{
_selectedTeam.ToFormation(_selectedTeam.Formation);
}
}
_selectedObject.IsFollowing = false;
_selectedObject.Target = null;
}
// attack
else
{
if (_selectedObject.Team != temp_aiobj.Team)
{
_selectedObject.Attack(temp_aiobj);
}
else
{
_selectedObject.Follow(temp_aiobj);
}
}
}
}
public SeenAIObject(float dist, AIObject obj)
{
distance = dist;
aiobj = obj;
}
public void ClearSelect()
{
foreach (AIObject aiobj in _aiobjects)
aiobj.Selected = false;
_selectedObject = null;
_selectedTeam = null;
}
private bool PreviousStateContains(AIObject aiobj)
{
foreach (AIObject obj in _aiobjects_prev)
{
if (obj == aiobj)
return true;
}
return false;
}
public void Select(AIObject item)
{
ClearSelect();
_selectedObject = item;
_selectedTeam = item.Team;
item.Selected = true;
}
public bool IsAllowedToEnter(AIObject aiobj)
{
if (IsEmpty)
return true;
else
// return aiobj.Team.TeamType == TeamInside;
return false;
}
public bool IsObjectLocatedInside(AIObject aiobj)
{
return (this.Position - aiobj.Position).Length() <= _radius;
}
public void Attack(AIObject attack_aiobj)
{
this.Status = AIMovementStatus.Run;
_target = attack_aiobj;
_holdFire = false;
Follow(attack_aiobj);
Shoot(attack_aiobj);
_actualAction = AIAction.Attack;
OccupyBy(AIAction.Attack);
}
public bool ObjectJustArrived(AIObject aiobj)
{
return !PreviousStateContains(aiobj) && _aiobjects.Contains(aiobj);
}
public bool ObjectJustLeft(AIObject aiobj)
{
return PreviousStateContains(aiobj) && !_aiobjects.Contains(aiobj);
}
public bool ObjectJustLeft(AIObject aiobj)
{
return(PreviousStateContains(aiobj) && !_aiobjects.Contains(aiobj));
}
public SeenAIObject(float dist, AIObject obj)
{
distance = dist;
aiobj = obj;
}
