/// <summary>
/// Calculates the next waypoint we should drive to
/// </summary>
/// <param name="enteredRegion">The trigger region that fired the collision event</param>
/// <param name="nextRegion">The next trigger region we should drive to</param>
/// <param name="info">
/// Contains some information about when we drove into the previous trigger region.
/// If this is null, then it's the initial waypoint we got when we loaded the level.
/// </param>
public void CalculateNewWaypoint(TriggerRegion enteredRegion, TriggerRegion nextRegion, CollisionReportInfo info)
{
// have to check for this because trigger regions like sending duplicate events
// also we check against the previous region in situations where the kart is in two regions at once
if ((nextRegion != CurrentRegion && nextRegion != PreviousRegion && enteredRegion != PreviousRegion) || info == null) {
// do we need to do all of the transform stuff? it's accurate, but do we need to be particularly accurate?
// forward is -X
float offset;
if (info == null || info.Position == null) {
// when we're starting, we'll just use our kart's position for things
Vector3 relativePos = nextRegion.Ghost.WorldTransform.InverseAffine() * Kart.ActualPosition;
offset = MakeOffset(relativePos, nextRegion);
}
else {
// otherwise calculate using the region we just entered
Vector3 relativePos = enteredRegion.Ghost.WorldTransform.InverseAffine() * info.Position.Value;
offset = MakeOffset(relativePos, enteredRegion);
}
nextWaypoint = nextRegion.Ghost.WorldTransform * new Vector3(0, 0, offset * nextRegion.Width);
nextWaypoint.y = Kart.ActualPosition.y;
// update the region pointers
PreviousRegion = enteredRegion;
CurrentRegion = nextRegion;
// update this axis' position
#if DEBUG
//axis.RootNode.Position = nextWaypoint;
//axis.RootNode.Orientation = nextRegion.Body.Orientation;
nextRegion.CycleToNextColor();
#endif
}
}
/// <summary>
/// output some text, show/hide a dialogue, and change the color of the region
/// </summary>
void doSomething(TriggerRegion region, RigidBody otherBody, TriggerReportFlags flags, CollisionReportInfo info)
{
if (flags.HasFlag(TriggerReportFlags.Enter)) {
Console.WriteLine(otherBody.GetName() + " has entered trigger area \"" + region.Name + "\"");
// cycle through the balloon colors
region.CycleToNextColor();
}
else {
Console.WriteLine(otherBody.GetName() + " has left trigger area \"" + region.Name + "\"");
region.CycleToNextColor();
}
}
void OnCol(CollisionReportInfo info)
{
if (info.FirstGroup == PonykartCollisionGroups.Karts)
{
foreach (Player p in LKernel.GetG<PlayerManager>().Players)
{
if (info.FirstObject.GetHashCode() == p.Kart.Body.GetHashCode() && info.SecondObject.GetHashCode() == this.Body.GetHashCode())
{
p.hasItem = true;
ui.SetItemLevel(1);
ui.SetItemImage(itemName);
p.heldItem = itemName;
LKernel.GetG<SoundMain>().Play3D("Item Get.wav", p.NodePosition, false);
//DummyItem dummy = new DummyItem(itemName, p);
LKernel.GetG<CollisionReporter>().RemoveEvent(PonykartCollisionGroups.Karts, PonykartCollisionGroups.Default, OnCol);
Dispose();
}
}
}
}
void CrossFinishLine(TriggerRegion region, RigidBody otherBody, TriggerReportFlags flags, CollisionReportInfo info)
{
// get the kart out of the object
Kart kart = ((CollisionObjectDataHolder) otherBody.UserObject).GetThingAsKart();
// make sure it's passed the halfway point first
if (kart != null && lapData[kart.OwnerID].first) {
lapData[kart.OwnerID].first = false;
if (lapData[kart.OwnerID].second >= 2) {
// we have completed three laps, fire the finish event
if (OnFinish != null)
OnFinish(kart);
// if it's the player, fire its event
if (kart == LKernel.GetG<PlayerManager>().MainPlayer.Kart) {
if (OnPlayerFinish != null)
OnPlayerFinish(kart);
}
// and if it's the first one to finish, fire that one too
if (!anyoneFinishedYet) {
anyoneFinishedYet = true;
if (OnFirstFinish != null)
OnFirstFinish(kart);
}
}
else {
// increment the counter
lapData[kart.OwnerID].second++;
// don't fire the event when we just cross the line when the race starts
if (lapData[kart.OwnerID].second != 1) {
// we have completed a lap, fire the lap event
if (OnLap != null)
OnLap(kart, lapData[kart.OwnerID].second);
if (kart == LKernel.GetG<PlayerManager>().MainPlayer.Kart) {
if (OnPlayerLap != null)
OnPlayerLap(kart, lapData[kart.OwnerID].second);
}
}
}
}
}
/// <summary>
/// Need to check somewhere else on the track otherwise we can just drive in circles over the finish line
/// </summary>
void Halfway(TriggerRegion region, RigidBody otherBody, TriggerReportFlags flags, CollisionReportInfo info)
{
Kart kart = ((CollisionObjectDataHolder) otherBody.UserObject).GetThingAsKart();
if (kart != null && !lapData[kart.OwnerID].first) {
lapData[kart.OwnerID].first = true;
}
}
void OnCol(CollisionReportInfo info)
{
//may be useful later: info.FirstObject.CheckCollideWith
//Do nothing if we're not looking at ourselves
//if(info.SecondObject.GetHashCode() == this.Kart.Body.GetHashCode())
//{
// //normalised copy of the velocity vector
// Vector3 velNorm = this.Kart.Vehicle.ForwardVector.NormalisedCopy;
// Vector3 contactNorm;
// //The point of contact
// //Access only if exists
// if (info.Position.HasValue)
// {
// contactNorm = info.Position.Value.NormalisedCopy;
// //1.5707 rad = 90 deg
// //I'm separating the space around the kart into four chunks
// if (velNorm.DirectionEquals(contactNorm, new Radian(1.5707f)))
// {
// this.OnCollideFront();
// }
// }
//}
}
/// <summary>
/// Runs whenever we get a collision event from trigger/kart collisions
/// </summary>
void CollisionEvent(CollisionReportInfo info)
{
// get our objects
RigidBody kartBody;
GhostObject triggerBody;
if (info.FirstObject.GetCollisionGroup() == PonykartCollisionGroups.Triggers) {
//ghost = info.SecondObject as GhostObject;
triggerBody = info.FirstObject as GhostObject;
kartBody = info.SecondObject as RigidBody;
}
else {
triggerBody = info.SecondObject as GhostObject;
kartBody = info.FirstObject as RigidBody;
}
// get our region
TriggerRegion region;
if (Regions.TryGetValue(triggerBody.GetName(), out region)) {
// started touching = enter
if (info.Flags == ObjectTouchingFlags.StartedTouching) {
region.CurrentlyCollidingWith.Add(kartBody);
region.InvokeTrigger(kartBody, TriggerReportFlags.Enter, info);
if (OnTriggerContact != null)
OnTriggerContact(region, kartBody, TriggerReportFlags.Enter, info);
if (OnTriggerEnter != null)
OnTriggerEnter(region, kartBody, TriggerReportFlags.Enter, info);
}
// stopped touching = leave
else if (info.Flags == ObjectTouchingFlags.StoppedTouching) {
region.CurrentlyCollidingWith.Remove(kartBody);
region.InvokeTrigger(kartBody, TriggerReportFlags.Leave, info);
if (OnTriggerContact != null)
OnTriggerContact(region, kartBody, TriggerReportFlags.Leave, info);
if (OnTriggerLeave != null)
OnTriggerLeave(region, kartBody, TriggerReportFlags.Leave, info);
}
}
}
/// <summary>
/// When a kart enters a trigger region, check that it's one of the AI ones, and if so, tell the kart where to go next
/// </summary>
private void OnTriggerEnter(TriggerRegion currentRegion, RigidBody otherBody, TriggerReportFlags flags, CollisionReportInfo info)
{
TriggerRegion nextRegion;
if (nextTriggerRegions.TryGetValue(currentRegion, out nextRegion))
{
Kart kart = null;
if (otherBody.UserObject is CollisionObjectDataHolder)
{
kart = (otherBody.UserObject as CollisionObjectDataHolder).GetThingAsKart();
}
if (kart != null && kart.Player.IsComputerControlled)
{
(kart.Player as ComputerPlayer).CalculateNewWaypoint(currentRegion, nextRegion, info);
}
}
}
/// <summary>
/// Run the enter event
/// </summary>
public void InvokeTrigger(RigidBody otherBody, TriggerReportFlags flags, CollisionReportInfo info)
{
// at the moment this only triggers when the "main" shape of an actor enters. Do we want to change this?
if (OnTrigger != null) {
#if DEBUG
try {
#endif
OnTrigger(this, otherBody, flags, info);
#if DEBUG
}
catch (Exception e) {
Launch.Log("Exception at TriggerRegion.InvokeTrigger: " + e.Message + " " + e.Source);
}
#endif
}
}
void tr_OnTrigger(TriggerRegion region, RigidBody otherBody, TriggerReportFlags flags, CollisionReportInfo info)
{
var pos = new Vector3(-305.8f, 45.4037f, -693.169f) / 5f;
var quat = new Quaternion(0.7143f, 0, -0.6998f, 0);
quat = quat * new Quaternion(0, 0, 1, 0);
Matrix4 mat = new Matrix4();
mat.MakeTransform(pos, Vector3.UNIT_SCALE, quat);
Kart kart = (otherBody.UserObject as CollisionObjectDataHolder).GetThingAsKart();
if (kart != null) {
kart.Body.WorldTransform = mat;
kart.Body.Activate();
}
}
/// <summary>
/// Sets up a contact event and then invokes it.
/// </summary>
private void SetupAndFireEvent(CollisionObject objectA, CollisionObject objectB, Vector3? position, Vector3? normal, ObjectTouchingFlags flags)
{
PonykartCollisionGroups groupA = objectA.GetCollisionGroup();
PonykartCollisionGroups groupB = objectB.GetCollisionGroup();
//int groupIDA = (int) groupA;
//int groupIDB = (int) groupB;
CollisionReportInfo info = new CollisionReportInfo {
FirstGroup = groupA,
SecondGroup = groupB,
FirstObject = objectA,
SecondObject = objectB,
Position = position,
Normal = normal,
Flags = flags
};
FireEvent(info);
}
/// <summary>
/// invoke an event.
///
/// note that it only invokes [a,b] and not [b,a] - if it invokes both, errors will happen
/// </summary>
private void FireEvent(CollisionReportInfo info)
{
var e = reporters[(int) info.FirstGroup, (int) info.SecondGroup];
if (e != null) {
e(info);
}
}