public override ProgrammingElement Clone()
{
TouchGestureFilter clone = new TouchGestureFilter();
CopyTo(clone);
return(clone);
}
public override bool MatchAction(Reflex reflex, out object param)
{
bool result = false;
param = null;
TouchGestureFilter touchFilt = reflex.Data.GetFilterByType(typeof(TouchGestureFilter)) as TouchGestureFilter;
if (touchFilt != null)
{
float rotation = touchFilt.DeltaRotation;
for (int i = 0; i < reflex.Filters.Count; ++i)
{
Filter filter = reflex.Filters[i];
if (!(filter is RotationFilter))
{
continue;
}
RotationFilter rotateFilt = filter as RotationFilter;
// does the rotation direction violate any of the rotation filters?
if (!rotateFilt.IsRotationValid(rotation))
{
return(false);
}
}
// If we've gotten here we're good. The rotation is in the
// right direction for the filter so return true.
result = true;
}
return(result);
}
public override void ComposeSensorTargetSet(GameActor gameActor, Reflex reflex)
{
if (terrainSensor != null)
{
terrainSensor.ComposeSensorTargetSet(gameActor, reflex);
}
else
{
List <Filter> filters = reflex.Filters;
// The sensor will use the first TouchGestureFilter it finds. Since any given reflex
// can only have a single one of these, this works well.
TouchGestureFilter gestureFilter = null;
TouchButtonFilter buttonFilter = null;
GUIButtonFilter guiButtonFilter = null;
for (int i = 0; i < filters.Count; i++)
{
if (filters[i] is TouchGestureFilter)
{
Debug.Assert(null == gestureFilter);
gestureFilter = filters[i] as TouchGestureFilter;
}
if (filters[i] is TouchButtonFilter)
{
Debug.Assert(null == buttonFilter);
buttonFilter = filters[i] as TouchButtonFilter;
}
if (filters[i] is GUIButtonFilter)
{
Debug.Assert(null == guiButtonFilter);
guiButtonFilter = filters[i] as GUIButtonFilter;
}
}
//if we don't have a filter, do nothing
if (null == gestureFilter &&
null == buttonFilter &&
null == guiButtonFilter)
{
//Debug.Assert(false, "Did not find a touch filter for touch sensor.");
return;
}
// Cause the filter to detect what is under the touch cursor and set that information on the reflex.
// MatchAction will be true if the TouchFilter passes but then we still need to filter on any other
// filters including the ever annoying "not", "me" and "anything" filters.
Object param = null;
bool matchAction = false;
bool notFilter = reflex.Data.FilterExists("filter.not");
bool anythingFilter = reflex.Data.FilterExists("filter.anything");
if (gestureFilter != null)
{
matchAction = gestureFilter.MatchAction(reflex, out param);
}
if (buttonFilter != null)
{
// Make the actual on screen button visible if a reflex contains the touch button filter.
//TouchButtons.MakeVisible(buttonFilter.button);
matchAction = buttonFilter.MatchAction(reflex, out param);
}
if (guiButtonFilter != null)
{
matchAction = guiButtonFilter.MatchAction(reflex, out param);
}
// Give the anythingFilter a chance to kill the action.
if (anythingFilter && reflex.TouchActor == null)
{
matchAction = false;
}
// Handle the "Not" filter
if (notFilter)
{
if (matchAction)
{
matchAction = false;
reflex.TouchActor = null;
reflex.TouchPosition = null;
}
else
{
matchAction = true;
}
}
bool touchCursorTarget = false;
// We are moving towards a remembered target position if we're the movement actuator.
// We do not require a match on the current frame to continue the movement.
// Note, in the presence of a "Not" filter, there is no target to "not move" to, so this
// is negated.
// Also, support turning toward a remembered position.
bool movingToTouchPos = (reflex.actuatorUpid == "actuator.movement" && !notFilter);
movingToTouchPos |= (reflex.actuatorUpid == "actuator.turn" && !notFilter);
if (movingToTouchPos && (reflex.TouchActor == reflex.Task.GameActor))
{
// When moving with touch, going towards oneself doesn't make sense. By discarding
// the touch actor and using the terrain position, we have a better definition of this
// movement. This allows for small positional corrections around the target's bounding
// box as well as letting slide movements that begin on oneself to work.
reflex.TouchActor = null;
reflex.TouchPosition = TouchEdit.HitInfo.TerrainPosition;
}
if (matchAction || movingToTouchPos)
{
bool validTarget = false;
SensorTarget target = SensorTargetSpares.Alloc();
// If we have an actor touch target, check if it passes the filters.
// If not, null it out.
if (reflex.TouchActor != null)
{
// Create a target.
target.Init(reflex.Task.GameActor, reflex.TouchActor);
validTarget = true;
}
else
{
target.Init(reflex.Task.GameActor, reflex.Task.GameActor);
// If we've got a me filter and not TouchActor we've failed.
if (reflex.Data.FilterExists("filter.me"))
{
matchAction = false;
}
// NOTE: For classification purposes, if the user doesn't touch a particular actor,
// we create an 'empty' classification. This is because we need a classification object
// in order to do reflexes such as 'tap move blimp -> shoot'. If you don't tap an actor,
// it needs to compare the absence of an actor to the blimp.
if (reflex.TouchPosition != null)
{
// We need to add the touch position to the targetSet.
target.Classification = new Classification();
target.GameThing = senseSet.Nearest.GameThing;
target.Position = reflex.TouchPosition.Value;
target.Direction = target.Position - reflex.Task.GameActor.Movement.Position;
target.Range = target.Direction.Length();
// If we've arrived at the target position, clear MousePosition.
Vector2 dir2d = new Vector2(target.Direction.X, target.Direction.Y);
if (dir2d.LengthSquared() < 0.1f)
{
reflex.TouchPosition = null;
}
target.Direction /= target.Range;
touchCursorTarget = true;
validTarget = true;
}
else
{
// We don't have an actor or a position. Only with an action match should we
// create a sensor target.
if (matchAction)
{
// Calc a fake position for this target.
GameActor actor = reflex.Task.GameActor;
Vector3 pos = actor.Movement.Position;
target.Classification = new Classification();
target.GameThing = senseSet.Nearest.GameThing;
target.Position = pos;
target.Direction = target.Position - reflex.Task.GameActor.Movement.Position;
target.Range = target.Direction.Length();
target.Direction /= target.Range;
validTarget = true;
}
}
}
// Test the target against the filters.
if (validTarget)
{
for (int i = 0; i < filters.Count; i++)
{
if (!(filters[i] is TouchGestureFilter))
{
if (!filters[i].MatchTarget(reflex, target) ||
!filters[i].MatchAction(reflex, out param))
{
if (!notFilter)
{
// Failed a match on one of the filters and we don't have a negation
// so null things out and short circuit.
reflex.TouchActor = null;
validTarget = false;
matchAction = false;
touchCursorTarget = false;
break;
}
}
}
}
}
// If we still have a target, add it to the target set.
if (validTarget)
{
reflex.targetSet.Add(target);
}
else
{
// Don't really need this target so free it.
SensorTargetSpares.Free(target);
}
}
reflex.targetSet.Action = reflex.targetSet.Count > 0; // && TestObjectSet(reflex);
//reflex.targetSet.Action |= matchAction;
// This forces the movement to keep going toward the clicked position/bot
// even if the touch is no longer clicked.
reflex.targetSet.ActionMouseTarget = touchCursorTarget;
if (matchAction)
{
bool postProcessCheck = PostProcessAction(matchAction, reflex);
if (!postProcessCheck)
{
// We matched the action, but it failed the post process check (used by "Once" modifier),
// so we clear the target set.
reflex.targetSet.Clear();
}
}
}
}
public override ActionSet ComposeActionSet(Reflex reflex, GameActor gameActor)
{
ClearActionSet(actionSet);
//UpdateCanBlend(reflex);
if (!reflex.targetSet.AnyAction)
{
return(actionSet);
}
TurnModifier turnMod = reflex.GetModifierByType(typeof(TurnModifier)) as TurnModifier;
GamePadStickFilter stickFilt = reflex.Data.GetFilterByType(typeof(GamePadStickFilter)) as GamePadStickFilter;
GamePadTriggerFilter triggerFilt = reflex.Data.GetFilterByType(typeof(GamePadTriggerFilter)) as GamePadTriggerFilter;
MouseFilter mouseFilt = reflex.Data.GetFilterByType(typeof(MouseFilter)) as MouseFilter;
TouchGestureFilter touchFilt = reflex.Data.GetFilterByType(typeof(TouchGestureFilter)) as TouchGestureFilter;
KeyBoardKeyFilter keyBoardKeyFilt = reflex.Data.GetFilterByType(typeof(KeyBoardKeyFilter)) as KeyBoardKeyFilter;
// Will be modified depending on stick or trigger position.
float speedModifier = 1.0f;
//
// Start by looking at the input filters to attenuate speed.
//
if (stickFilt != null)
{
// Note that we take the sign into account further below.
// For now, just get the magnitude.
speedModifier *= (float)Math.Abs(stickFilt.stickPosition.X);
}
else if (triggerFilt != null)
{
speedModifier *= triggerFilt.triggerValue;
}
else if (mouseFilt != null)
{
// Note that we take the sign into account further below.
// For now, just get the magnitude.
speedModifier *= Math.Abs(mouseFilt.ScreenPosition.X);
}
else if (touchFilt != null)
{
if (touchFilt.type == TouchGestureFilterType.Rotate)
{
reflex.Task.GameActor.Chassis.WasTouchRotated = true;
}
}
// Decide if we're turning toward a particular direction or
// setting a turn rate. Note, this will miss some cases
// that we clean up further down. The failure is rooted
// in TurnModifier if you want to go fix it. :-)
Vector3 desiredHeading = Vector3.Zero;
float targetHeading = 0;
// See if the modifiers want to give us an absolute direction.
reflex.ModifyHeading(gameActor, Modifier.ReferenceFrames.World, ref desiredHeading);
targetHeading = MyMath.ZRotationFromDirection(desiredHeading);
// If we have a desiredHeading, use that, else assume we're just turning.
if (desiredHeading != Vector3.Zero)
{
// We were given an absolute direction, use it.
actionSet.AddActionTarget(Action.AllocHeadingAction(reflex, targetHeading, speedModifier));
}
else
{
// Determine which relative direction we should use.
TurnModifier.TurnDirections direction = TurnModifier.TurnDirections.None;
if (turnMod != null)
{
// If a turn modifier was specified, use its direction.
direction = turnMod.direction;
}
else if (stickFilt != null)
{
// No turn modifier but we have a gamepad stick, use it to determine turn direction.
direction = stickFilt.stickPosition.X > 0 ? TurnModifier.TurnDirections.Right : TurnModifier.TurnDirections.Left;
}
else if (triggerFilt != null)
{
// No turn modifier but we have a gamepad trigger, use it to determine turn direction.
// Basically this automatically maps left trigger to left turn and right trigger to right turn.
direction = triggerFilt.trigger == GamePadTriggerFilter.GamePadTrigger.LeftTrigger ? TurnModifier.TurnDirections.Left : TurnModifier.TurnDirections.Right;
}
else if (mouseFilt != null)
{
// No turn modifier but we do have mouse input.
direction = mouseFilt.ScreenPosition.X > 0 ? TurnModifier.TurnDirections.Right : TurnModifier.TurnDirections.Left;
// This scaling by 2 has no real justification except
// that it matches the magnitude of the original code
// so this is more compatible with older games.
speedModifier *= 2.0f;
}
else if (touchFilt != null)
{
// No turn modifier but we do have touch input.
if (touchFilt.type == TouchGestureFilterType.Rotate)
{
if (touchFilt.DeltaRotation < 0)
{
direction = TurnModifier.TurnDirections.Left;
}
else if (touchFilt.DeltaRotation > 0)
{
direction = TurnModifier.TurnDirections.Right;
}
}
else if (touchFilt.type == TouchGestureFilterType.Tap)
{
direction = TurnModifier.TurnDirections.Toward;
}
}
else if (keyBoardKeyFilt != null)
{
if (reflex.targetSet != null)
{
Vector2 dir = (Vector2)(reflex.targetSet.Param);
if (dir.X == 1)
{
direction = TurnModifier.TurnDirections.Right;
}
else if (dir.X == -1)
{
direction = TurnModifier.TurnDirections.Left;
}
}
}
else
{
// Nothing exists that would help us decide which way we should turn, choose left.
// This could be the user programming WHEN DO Turn
direction = TurnModifier.TurnDirections.Left;
}
// Calculate the new direction we want to face.
switch (direction)
{
// Turn to our left.
case TurnModifier.TurnDirections.Left:
{
float angle = 0.0f;
if (touchFilt != null && touchFilt.type == TouchGestureFilterType.Rotate)
{
angle = gameActor.Movement.RotationZ + Math.Abs(touchFilt.DeltaRotation);
}
else
{
angle = gameActor.Movement.RotationZ + MathHelper.PiOver2;
}
desiredHeading = new Vector3((float)Math.Cos(angle), (float)Math.Sin(angle), 0);
actionSet.AddActionTarget(Action.AllocTurnSpeedAction(reflex, speedModifier), 0);
}
break;
// Turn to our right.
case TurnModifier.TurnDirections.Right:
{
float angle = 0.0f;
if (touchFilt != null && touchFilt.type == TouchGestureFilterType.Rotate)
{
angle = gameActor.Movement.RotationZ - Math.Abs(touchFilt.DeltaRotation);
}
else
{
angle = gameActor.Movement.RotationZ - MathHelper.PiOver2;
}
desiredHeading = new Vector3((float)Math.Cos(angle), (float)Math.Sin(angle), 0);
actionSet.AddActionTarget(Action.AllocTurnSpeedAction(reflex, -speedModifier), 0);
}
break;
// Turn to face the direction we are moving.
case TurnModifier.TurnDirections.Forward:
{
float angle = MyMath.ZRotationFromDirection(gameActor.Movement.Velocity);
desiredHeading = new Vector3((float)Math.Cos(angle), (float)Math.Sin(angle), 0);
actionSet.AddActionTarget(Action.AllocHeadingAction(reflex, targetHeading, speedModifier));
}
break;
// Turn to face the sensed object.
case TurnModifier.TurnDirections.Toward:
// We're probably here because of WHEN Mouse Left DO Turn Toward.
// This is another case where we want a Heading Action.
if (reflex.targetSet.Nearest != null)
{
speedModifier = 1;
// If we're doing mouse-look (WHEN Mouse Over DO Turn Toward) try
// and create a bit of a dead-zone in the middle.
bool mouseOver = false;
foreach (Filter f in reflex.Filters)
{
MouseFilter mf = f as MouseFilter;
if (mf != null && mf.type == MouseFilterType.Hover)
{
mouseOver = true;
break;
}
}
desiredHeading = reflex.targetSet.Nearest.Direction;
targetHeading = MyMath.ZRotationFromDirection(desiredHeading);
// If mouseOver, calc damping to slow down turning when already looking
// in the direction we want. This helps make it less twitchy.
float dampingFactor = 1.0f;
if (mouseOver)
{
float dot = Vector3.Dot(desiredHeading, gameActor.Movement.Heading);
float deadzoneAngle = 0.96f;
float dampzoneAngle = 0.9f;
// If very close to center, just treat as zero.
if (dot > deadzoneAngle)
{
dampingFactor = 0;
}
else if (dot > dampzoneAngle)
{
// Not in center, but close so damp turning.
// The closer we are to already looking in the correct direction, increase damping.
dampingFactor = MyMath.RemapRange(dot, deadzoneAngle, dampzoneAngle, 0, 1);
// Smooth the result to flatten out the center.
dampingFactor = MyMath.SmoothStep(0, 1, dampingFactor);
}
}
actionSet.AddActionTarget(Action.AllocHeadingAction(reflex, targetHeading, dampingFactor * speedModifier));
}
break;
}
}
return(actionSet);
} // end of ComposeActionSet()
protected void CopyTo(TouchGestureFilter clone)
{
base.CopyTo(clone);
clone.type = this.type;
}
public override bool MatchAction(Reflex reflex, out object param)
{
bool result = false;
param = null;
GamePadStickFilter stickFilt = reflex.Data.GetFilterByType(typeof(GamePadStickFilter)) as GamePadStickFilter;
TouchGestureFilter touchFilt = reflex.Data.GetFilterByType(typeof(TouchGestureFilter)) as TouchGestureFilter;
int directFiltCount = 0;
Directions combinedDirection = 0;
if (stickFilt != null)
{
Vector2 stick = stickFilt.stickPosition;
stick.Normalize();
for (int i = 0; i < reflex.Filters.Count; ++i)
{
Filter filter = reflex.Filters[i];
if (!(filter is DirectionFilter))
{
continue;
}
DirectionFilter directFilt = filter as DirectionFilter;
// The first filter will handle all direction filters present, so if we are not
// the first filter, just bail with a "true" result.
if (directFiltCount > 0 && directFilt == this)
{
return(true);
}
// Is the stick in the correct quadrant for this direction?
if (!directFilt.IsStickPositionValid(stick))
{
return(false);
}
combinedDirection |= directFilt.direction;
directFiltCount += 1;
}
// If we've gotten here we're good. The stick is in the
// right quadrant for the filter so return true.
result = true;
}
else if (touchFilt != null)
{
for (int i = 0; i < reflex.Filters.Count; ++i)
{
Filter filter = reflex.Filters[i];
if (!(filter is DirectionFilter))
{
continue;
}
DirectionFilter directFilt = filter as DirectionFilter;
// The first filter will handle all direction filters present, so if we are not
// the first filter, just bail with a "true" result.
if (directFiltCount > 0 && directFilt == this)
{
return(true);
}
combinedDirection |= directFilt.direction;
directFiltCount += 1;
}
if (combinedDirection == touchFilt.Direction)
{
result = true;
}
}
return(result);
}