private static EventAction <GameEntityModel> .ExecutionDelegate BuildAddInpulse(Storage.GenericParameter parameter)
{
FixedVector3 impulse = BuildFixedVector3(parameter, 0);
bool asPercentage = parameter.SafeBool(0);
if (asPercentage)
{
impulse /= 100;
}
return(delegate(GameEntityModel model, List <GameEntityModel>[] subjectModels){
PhysicPointModel pointModel = StateManager.state.GetModel(model.physicsModelId) as PhysicPointModel;
if (pointModel == null)
{
return;
}
FixedVector3 finalImpulse = impulse;
if (asPercentage)
{
finalImpulse = pointModel.velocityAffectors[PhysicPointModel.defaultVelocityAffectorName];
finalImpulse = new FixedVector3(
finalImpulse.X * impulse.X,
finalImpulse.Y * impulse.Y,
finalImpulse.Z * impulse.Z
);
}
else
{
finalImpulse = impulse;
}
pointModel.velocityAffectors[PhysicPointModel.defaultVelocityAffectorName] += finalImpulse;
});
}
// Release event may be accompained by a set animation event and set anchored position.
// It safely releases at the relative position to parent, taking physics in consideration
public static void ReleaseAnchoredEntity(GameEntityModel model, GameEntityModel anchoredEntityModel){
int anchorId = -1;
for (int i = 0; i < model.anchoredEntities.Count ; ++i){
if (model.anchoredEntities[i] == anchoredEntityModel.Index){
anchorId = i;
break;
}
}
if (anchorId == -1){
// entity is not grabbed, return
return;
}
anchoredEntityModel.parentEntity = new ModelReference();
PhysicPointModel pointModel = GameEntityController.GetPointModel(anchoredEntityModel);
if (pointModel != null){
pointModel.isActive = true;
PhysicPointModel parentPointModel = GameEntityController.GetPointModel(model);
PhysicPointController pointController = pointModel.Controller() as PhysicPointController;
if (pointController != null && parentPointModel != null){
// Set position directly
pointModel.position = parentPointModel.position;
if (!model.IsFacingRight()) anchoredEntityModel.positionRelativeToParent.X *= -1;
pointController.SetVelocityAffector(pointModel, PhysicPointController.setPositionffectorName, anchoredEntityModel.positionRelativeToParent);
anchoredEntityModel.positionRelativeToParent = FixedVector3.Zero;
}
}
model.anchoredEntities[anchorId] = new ModelReference();
}
// Filter hit by hitter entity location
private static GameEntityModel getHitEntityIfConformingOrientationOptions(HitInformation hit, OrientationOptions orientationOptions, GameEntityModel model)
{
GameEntityModel hitterModel = StateManager.state.GetModel(hit.entityId) as GameEntityModel;
if (orientationOptions == OrientationOptions.any)
{
return(hitterModel);
}
PhysicPointModel modelPoint = GameEntityController.GetPointModel(model);
PhysicPointModel hitterPoint = GameEntityController.GetPointModel(hitterModel);
bool isFrontal;
if (model.IsFacingRight())
{
isFrontal = hitterPoint.position.X >= modelPoint.position.X;
}
else
{
isFrontal = hitterPoint.position.X <= modelPoint.position.X;
}
if (isFrontal == (orientationOptions == OrientationOptions.fromFront))
{
return(hitterModel);
}
return(null);
}
public GameEntityModel(
State state,
PhysicWorldModel worldModel,
PhysicPointModel physicsModel,
AnimationModel animationModel,
Model inputModel,
string controllerFactoryId,
string viewFactoryId,
int updatingOrder
) : base(controllerFactoryId, viewFactoryId, updatingOrder)
{
animationModel.ownerId = this.Index;
physicsModel.ownerId = this.Index;
physicsModelId = state.AddModel(physicsModel);
worldModel.pointModels.Add(physicsModelId);
animationModelId = state.AddModel(animationModel);
if (inputModel != null)
{
inputModelId = state.AddModel(inputModel);
}
else
{
inputModelId = new ModelReference(ModelReference.InvalidModelIndex);
}
anchoredEntities = new List <ModelReference>();
ownedEntities = new List <ModelReference>();
customVariables = new Dictionary <string, int>();
mIsFacingRight = true;
}
// Anchor a model to it
public static void AnchorEntity(GameEntityModel model, GameEntityModel modelToBeAnchored, int anchorId){
if (IsAnchored(modelToBeAnchored)){
Debug.LogWarning("Trying to anchor an entity that is already anchored");
return;
}
if (model.parentEntity != null && model.parentEntity == modelToBeAnchored.Index){
Debug.LogWarning("Cyclic anchoring attempt");
return;
}
if (model.anchoredEntities == null) model.anchoredEntities = new List<ModelReference>(anchorId);
while (model.anchoredEntities.Count <= anchorId) {
model.anchoredEntities.Add(null);
}
if (model.anchoredEntities[anchorId] != null && model.anchoredEntities[anchorId] != ModelReference.InvalidModelIndex){
Debug.LogWarning("Trying to anchor an entity to a busy anchor");
return;
}
model.anchoredEntities[anchorId] = modelToBeAnchored.Index;
modelToBeAnchored.parentEntity = model.Index;
modelToBeAnchored.positionRelativeToParent = FixedVector3.Zero;
PhysicPointModel pointModel = GameEntityController.GetPointModel(modelToBeAnchored);
if (pointModel != null){
pointModel.isActive = false;
}
}
// Update the input velocity affector multiplying input axis and max input velocity
private static void UpdateInputVelocityAffector(GameEntityModel model)
{
PhysicPointModel pointModel = GetPointModel(model);
if (pointModel == null)
{
return;
}
FixedVector3 newInputVel = FixedVector3.Zero;
if (model.maxInputVelocity.X != 0 || model.maxInputVelocity.Y != 0)
{
Model inputModel = GetInputProvider(model);
if (inputModel == null)
{
return;
}
GameEntityInputProvider inputController = inputModel.Controller() as GameEntityInputProvider;
if (inputController == null)
{
return;
}
FixedVector3 axis = inputController.GetInputAxis(inputModel);
newInputVel = new FixedVector3(axis.X * model.maxInputVelocity.X, axis.Y * model.maxInputVelocity.Y, axis.Z * model.maxInputVelocity.Z);
}
pointModel.velocityAffectors[inputVelocityAffector] = newInputVel;
}
// Find collisions between a point model and a set of world planes
// For each collision found, notify point and plane controllers so that they can react to the collision
private void CheckCollisionsAgainstPlanes(PhysicWorldModel world, PhysicPointModel pointModel, PhysicPointController pointController, List <PhysicPlaneModel> planes)
{
PhysicPlaneController planeController;
FixedVector3 intersection;
// Do a few iterations until collisions get stable, or we reach a limit on iterations
bool collisionsAreStable = false;
for (int i = 0; i < collisionIterationsCount && !collisionsAreStable; ++i)
{
collisionsAreStable = true;
int numCollisions = 0;
foreach (PhysicPlaneModel planeModel in planes)
{
if (PhysicPlaneController.CheckIntersection(planeModel, pointModel, out intersection))
{
++numCollisions;
collisionsAreStable &= pointController.OnCollision(world, pointModel, planeModel, intersection);
planeController = planeModel.Controller() as PhysicPlaneController;
collisionsAreStable &= planeController == null || planeController.OnCollision(world, pointModel, planeModel, intersection);
}
}
//Debug.Log("Collisions: " + numCollisions);
}
}
// Compute the intersection point against a line segment
public static bool CheckIntersection(PhysicPlaneModel planeModel, PhysicPointModel pointModel, out FixedVector3 intersection)
{
// plane may be moving, sum velocity to initial point position
FixedVector3 pos1 = pointModel.lastPosition;
FixedVector3 pos2 = pointModel.position;
pos1 += planeModel.GetVelocity();
return(CheckIntersection(planeModel, pos1, pos2, pointModel.stepTolerance, out intersection));
}
// Apply a force on the physics velocity affector
public static FixedFloat GetVerticalImpulse(GameEntityModel model)
{
PhysicPointModel pointModel = GameEntityController.GetPointModel(model);
if (pointModel == null)
{
return(FixedFloat.Zero);
}
return(pointModel.velocityAffectors[PhysicPointModel.defaultVelocityAffectorName].Y);
}
public static bool IsHittingFarWall(GameEntityModel model)
{
PhysicPointModel pointModel = GameEntityController.GetPointModel(model);
if (pointModel == null)
{
return(false);
}
return(pointModel.collisionInpact.Z > 0);
}
public static FixedFloat CollisionZForce(GameEntityModel model)
{
PhysicPointModel pointModel = GameEntityController.GetPointModel(model);
if (pointModel == null)
{
return(FixedFloat.Zero);
}
return(FixedFloat.Abs(pointModel.collisionInpact.Z));
}
// ----------------------
// Ground and Wall checks
public static bool IsGrounded(GameEntityModel model)
{
PhysicPointModel pointModel = GameEntityController.GetPointModel(model);
if (pointModel == null)
{
return(false);
}
return(PhysicPointController.IsGrounded(pointModel));
}
// Safelly set position relative to self (e.g. vault), taking physics collisions in consideration
public static void MoveEntity(GameEntityModel model, FixedVector3 relativePosition)
{
PhysicPointModel pointModel = GameEntityController.GetPointModel(model);
if (pointModel != null)
{
PhysicPointController pointController = pointModel.Controller() as PhysicPointController;
if (pointController != null)
{
pointController.SetVelocityAffector(pointModel, PhysicPointController.setPositionffectorName, relativePosition);
}
}
}
// Anchor a model to it, and optionally move the parent relative to the entity being anchored (e.g. move back a little when grabbing)
public static void AnchorEntity(GameEntityModel model, GameEntityModel modelToBeAnchored, int anchorId, FixedVector3 deltaPosRelativeToAnched){
AnchorEntity(model, modelToBeAnchored, anchorId);
PhysicPointModel pointModel = GameEntityController.GetPointModel(model);
PhysicPointModel anchoredPointModel = GameEntityController.GetPointModel(modelToBeAnchored);
if (pointModel != null && anchoredPointModel != null){
PhysicPointController pointController = pointModel.Controller() as PhysicPointController;
if (pointController != null){
if (!model.IsFacingRight()) deltaPosRelativeToAnched.X *= -1;
FixedVector3 deltaPos = (anchoredPointModel.position + deltaPosRelativeToAnched) - pointModel.position;
pointController.SetVelocityAffector(pointModel, PhysicPointController.setPositionffectorName, deltaPos);
}
}
}
// Set the velocity affector bound to animation velocity control
public static void SetAnimationVelocity(GameEntityModel model, FixedVector3 velocity)
{
PhysicPointModel pointModel = GameEntityController.GetPointModel(model);
if (pointModel == null)
{
return;
}
if (!model.IsFacingRight())
{
velocity.X *= -1;
}
pointModel.velocityAffectors[GameEntityController.animVelocityAffector] = velocity;
}
protected override void PostUpdate(GameEntityModel model)
{
if (nextPauseTimer > 0)
{
// Pause physics and animation
PhysicPointModel pointModel = GetPointModel(model);
if (pointModel != null)
{
pointModel.isActive = false;
model.pauseTimer = nextPauseTimer;
}
nextPauseTimer = 0;
}
}
// Reset X and Z force components on the physics velocity affector
public static void ResetPlanarImpulse(GameEntityModel model)
{
PhysicPointModel pointModel = GameEntityController.GetPointModel(model);
if (pointModel == null)
{
return;
}
FixedVector3 originalImpulse;
pointModel.velocityAffectors.TryGetValue(PhysicPointModel.defaultVelocityAffectorName, out originalImpulse);
pointModel.velocityAffectors[PhysicPointModel.defaultVelocityAffectorName] =
new FixedVector3(0, originalImpulse.Y, 0)
;
}
// Apply a force on the physics velocity affector
public static void AddImpulse(GameEntityModel model, FixedVector3 impulse)
{
PhysicPointModel pointModel = GameEntityController.GetPointModel(model);
if (pointModel == null)
{
return;
}
if (!model.IsFacingRight())
{
impulse.X *= -1;
}
pointModel.velocityAffectors[PhysicPointModel.defaultVelocityAffectorName] += impulse;
// pointModel.velocityAffectors[PhysicPointModel.defaultVelocityAffectorName] += new FixedVector3(0, impulse.Y, 0);
// pointModel.velocityAffectors[GameEntityController.animVelocityAffector] += new FixedVector3(impulse.X, 0, impulse.Z);
}
// If automatic flip is on, flip automatically if input velocity is going against entity direction
private static void CheckAutomaticFlip(GameEntityModel model)
{
if (model.automaticFlip)
{
PhysicPointModel pointModel = GetPointModel(model);
if (pointModel == null)
{
return;
}
FixedVector3 inputVelocity = pointModel.velocityAffectors[inputVelocityAffector];
if (inputVelocity.X != 0 && (inputVelocity.X > 0 != model.IsFacingRight()))
{
Flip(model);
}
}
}
// Face to same direction as hitter is facing
public static void FaceToHitterDirection(GameEntityModel model, bool oppositeFacing)
{
GameEntityController controller = model.Controller() as GameEntityController;
PhysicPointModel pointModel = GameEntityController.GetPointModel(model);
if (pointModel != null && controller.lastHurts.Count > 0)
{
HitInformation info = controller.lastHurts[0];
GameEntityModel hitter = StateManager.state.GetModel(info.entityId) as GameEntityModel;
model.mIsFacingRight = hitter.IsFacingRight();
if (oppositeFacing)
{
model.mIsFacingRight = !model.IsFacingRight();
}
}
}
// Get Position used in collision checks
public static FixedVector3 GetRealPosition(GameEntityModel model)
{
if (model.parentEntity == null || model.parentEntity == ModelReference.InvalidModelIndex)
{
// Normal position
PhysicPointModel pointModel = StateManager.state.GetModel(model.physicsModelId) as PhysicPointModel;
return(pointModel.position);
}
else
{
// Anchored, use parent position
GameEntityModel parentModel = StateManager.state.GetModel(model.parentEntity) as GameEntityModel;
FixedVector3 parentPosition = GetRealPosition(parentModel);
return(parentPosition + new FixedVector3((parentModel.IsFacingRight() ? 1 : -1) * model.positionRelativeToParent.X, model.positionRelativeToParent.Y, model.positionRelativeToParent.Z));
}
}
// pos(2.1, 4.2, 5.3)
private static EventAction <GameEntityModel> .ExecutionDelegate BuildSetDeltaPosition(Storage.GenericParameter parameter)
{
int relativeSubjectId = parameter.SafeInt(1);
FixedVector3 deltaPos = BuildFixedVector3(parameter, 0);
return(delegate(GameEntityModel model, List <GameEntityModel>[] subjectModels){
List <GameEntityModel> refSubjects = ConditionUtils <GameEntityModel> .GetNonEmptySubjectOrNil(subjectModels, relativeSubjectId);
if (refSubjects == null || refSubjects.Count == 0)
{
return;
}
// Select one randomly
GameEntityModel refModel = refSubjects[StateManager.state.Random.NextInt(0, refSubjects.Count - 1)];
FixedVector3 realDelta;
if (!refModel.IsFacingRight())
{
deltaPos.X *= -1;
}
PhysicPointModel mainPoint = StateManager.state.GetModel(model.physicsModelId) as PhysicPointModel;
if (mainPoint == null)
{
return;
}
if (refModel != model)
{
PhysicPointModel refPoint = StateManager.state.GetModel(refModel.physicsModelId) as PhysicPointModel;
if (refPoint == null)
{
return;
}
realDelta = (refPoint.position + deltaPos) - mainPoint.position;
}
else
{
realDelta = deltaPos;
}
PhysicPointController pointController = mainPoint.Controller() as PhysicPointController;
if (pointController == null)
{
return;
}
pointController.SetVelocityAffector(mainPoint, PhysicPointController.setPositionffectorName, realDelta);
});
}
// Delegate for when a point is removed, it redirects to the caller delegate
private void OnPointRemoved(Model model, object context)
{
Eppy.Tuple <OnPointModelChanged, object> callbackTuple;
PhysicPointModel pointModel = model as PhysicPointModel;
PhysicWorldModel worldModel = context as PhysicWorldModel;
if (pointModel == null || worldModel == null)
{
// Something went wrong!
return;
}
if (removePointCallbacks.TryGetValue(pointModel, out callbackTuple))
{
if (callbackTuple.Item1 != null)
{
callbackTuple.Item1(pointModel, callbackTuple.Item2);
}
removePointCallbacks.Remove(pointModel);
worldModel.pointModels.Remove(model.Index);
}
}
// Update automated stuff
protected override void Update(GameEntityModel model)
{
// first update the input velocity
UpdateInputVelocityAffector(model);
// if input velocity goes against current direction, flip
CheckAutomaticFlip(model);
// Built in pause timer
if (model.pauseTimer > 0)
{
PhysicPointModel pointModel = GetPointModel(model);
if (pointModel != null)
{
if (--model.pauseTimer == 0 && (model.parentEntity == null || model.parentEntity == ModelReference.InvalidModelIndex))
{
pointModel.isActive = true;
}
}
}
}
// Release event may be accompained by a set animation event and set anchored position.
// It safely releases at the relative position to parent, taking physics in consideration
public static void ReleaseAnchoredEntity(GameEntityModel model, int anchorId){
if (model.anchoredEntities == null || model.anchoredEntities.Count <= anchorId) return;
GameEntityModel anchoredEntityModel = StateManager.state.GetModel(model.anchoredEntities[anchorId]) as GameEntityModel;
if (anchoredEntityModel != null){
anchoredEntityModel.parentEntity = new ModelReference();
PhysicPointModel pointModel = GameEntityController.GetPointModel(anchoredEntityModel);
if (pointModel != null){
pointModel.isActive = true;
PhysicPointModel parentPointModel = GameEntityController.GetPointModel(model);
PhysicPointController pointController = pointModel.Controller() as PhysicPointController;
if (pointController != null && parentPointModel != null){
// Set position directly
pointModel.position = parentPointModel.position;
if (!model.IsFacingRight()) anchoredEntityModel.positionRelativeToParent.X *= -1;
pointController.SetVelocityAffector(pointModel, PhysicPointController.setPositionffectorName, anchoredEntityModel.positionRelativeToParent);
anchoredEntityModel.positionRelativeToParent = FixedVector3.Zero;
}
}
}
model.anchoredEntities[anchorId] = new ModelReference();
}
// Velocity
private static EventCondition <GameEntityModel> .EvaluationDelegate BuildVelocity(Storage.GenericParameter parameter, out int keyFrame, Storage.CharacterAnimation animation)
{
keyFrame = InvalidKeyframe;
// Read orientation, operator, numerator subject, numerator var, number, module
Orientation orientation = (Orientation)parameter.SafeInt(1);
ConditionUtils <GameEntityModel> .ComparisonOperation comparisonOperator = (ConditionUtils <GameEntityModel> .ComparisonOperation)parameter.SafeInt(2);
int numeratorSubjectId = parameter.SafeInt(3);
string numeratorSubjectVarName = parameter.SafeString(0);
FixedFloat staticComparisonValue = parameter.SafeFloat(0);
bool useModule = parameter.SafeBool(1);
// return delegate
return(delegate(GameEntityModel mainModel, List <GameEntityModel>[] subjectModels){
PhysicPointModel pointModel = StateManager.state.GetModel(mainModel.physicsModelId) as PhysicPointModel;
if (pointModel == null)
{
return false;
}
FixedFloat velocityValue = getOrientedAxisValue(pointModel.GetVelocity(), orientation, useModule);
return CompareWithNumerator(mainModel, numeratorSubjectId, numeratorSubjectVarName, velocityValue, staticComparisonValue, comparisonOperator, subjectModels);
});
}
public static bool IsHurtFrontal(GameEntityModel model, bool frontal)
{
GameEntityController controller = model.Controller() as GameEntityController;
if (controller.lastHurts.Count == 0)
{
return(false);
}
GameEntityModel hitter = StateManager.state.GetModel(controller.lastHurts[0].entityId) as GameEntityModel;
PhysicPointModel modelPoint = GameEntityController.GetPointModel(model);
PhysicPointModel hitterPoint = GameEntityController.GetPointModel(hitter);
bool isFrontal;
if (model.IsFacingRight())
{
isFrontal = hitterPoint.position.X >= modelPoint.position.X;
}
else
{
isFrontal = hitterPoint.position.X <= modelPoint.position.X;
}
return(isFrontal == frontal);
}
private static EventAction <GameEntityModel> .ExecutionDelegate BuildSetVelocity(Storage.GenericParameter parameter)
{
int mask = parameter.SafeInt(1);
FixedVector3 velocity = BuildFixedVector3(parameter, 0);
bool hasX = mask == 0 || mask == 3 || mask == 4 || mask == 6;
bool hasY = mask == 1 || mask == 3 || mask == 5 || mask == 6;
bool hasZ = mask == 2 || mask == 4 || mask == 5 || mask == 6;
return(delegate(GameEntityModel model, List <GameEntityModel>[] subjectModels){
PhysicPointModel pointModel = StateManager.state.GetModel(model.physicsModelId) as PhysicPointModel;
if (pointModel == null)
{
return;
}
FixedVector3 originalVelocity = pointModel.GetVelocity();
FixedVector3 finalVelocity = new FixedVector3(
hasX ? velocity.X : originalVelocity.X,
hasY ? velocity.Y : originalVelocity.Y,
hasZ ? velocity.Z : originalVelocity.Z
);
pointModel.velocityAffectors[GameEntityController.animVelocityAffector] = finalVelocity;
});
}
// Remove a Physic Point from the world
public void RemovePoint(PhysicWorldModel world, PhysicPointModel pointModel, OnPointModelChanged callback = null, object context = null)
{
removePointCallbacks[pointModel] = new Eppy.Tuple <OnPointModelChanged, object>(callback, context);
StateManager.state.RemoveModel(pointModel, OnPointRemoved, world);
}
// This will take effect on next frame only
private void ApplyGravityToPoint(PhysicWorldModel world, PhysicPointModel pointModel, PhysicPointController pointController)
{
pointController.AddVelocityAffector(pointModel, PhysicPointModel.defaultVelocityAffectorName, world.gravity);
}
