protected override void OnUpdate()
{
//Prepare all components without the correct data.
for (int i = 0; i < data.Length; i++)
{
//Add the collision info. (NOTE: this does mean no
//archetyping CollisionInfo in!)
CollisionInfo cols = new CollisionInfo();
cols.faceDirection = 1;
PostUpdateCommands.AddComponent(data.entities[i], cols);
//Configure inverseMaxSlope to be truly inverse of maxSlopeAngle.
//CharacterControllerComponent controller = data.characterController[i];
//If inverseMaxSlope is set, don't do the calculation again.
//if (controller.maxSlopeInverse == default(float)) {
// controller.maxSlopeInverse = 90 / controller.maxSlopeAngle;
// PostUpdateCommands.SetSharedComponent(data.entities[i], controller);
//}
}
}
//@TODO: Replace raycast calls with CombCast2D jobs. All will have same length, but can filter by distance to same effect.
//@TODO: Variable down direction. Not just good for gravity games, but also for SONIC!
protected override void OnUpdate()
{
//Slightly more efficient to use GetExistingManager.
//As long as you make sure it actually is existing before update!
EntityManager em = World.Active.GetExistingManager <EntityManager>();
NativeArray <RaycastHit2D> hCast;
NativeArray <RaycastHit2D> vCast;
for (int i = 0; i < data.Length; i++)
{
//Working copy of the movement value.
float2 moveAmount = data.movement[i].Value;
//For when we need an unaltered copy later.
float2 moveAmountPreChange = moveAmount;
//Layer mask.
LayerMask mask = data.collisionMask[i].SolidMask;
//@NEW: This is my implementation of semi-solid platforms.
{
bool checkSemiSolid = data.collisions[i].below | moveAmount.y < 0;
checkSemiSolid &= em.HasComponent(data.entities[i], typeof(FallThroughSemiSolid));
mask |= math.select(
0,
data.collisionMask[i].SemiSolidMask,
checkSemiSolid
);
}
//EXPLANATION: This merges in a second layer mask conditionally.
//Specifically, if grounded or going down.
//The intuitive thing would be to occlude going-up ONLY when
//checking vertical, but doing that makes for some problems when
//trying to jump through semi-solid slopes.
//And we have the grounded check because you technically are
//going up while climbing slopes--so otherwise, we would fall
//straight through upward slopes, or even weirder behavior!
//float maxSlopeAngleInverse;
//Create a new collision info to be populated.
CollisionInfo collisions = new CollisionInfo();
//Covered in a prior system.
//UpdateRaycastOrigins();
//Descending slope check.
//@TODO: Apparently, a better solution is to do an initial groundward cast
//and run this method if (groundward_cast.hit).
//The result of this could also replace collisions.below in the above select statement.
if (moveAmount.y < 0)
{
//I'm not sure if I copied the sliding-down code correctly when I first
//followed the Sebastian Lague tutorials, so I've no guarantee that this
//implementation shown here matches his implementation.
//Works fine without, in any case.
CheckIfSlidingDownSlope(
ref moveAmount,
ref collisions,
data.raycastController[i].bottomCorners,
data.characterController[i].maxSlopeAngle,
data.raycastController[i].skinWidth,
mask
);
CheckIfDescendingSlope(
ref moveAmount,
data.characterController[i].maxSlopeAngle,
ref collisions,
data.raycastController[i].skinWidth,
data.raycastController[i].bottomCorners,
mask,
collisions.slidingDownSlope
);
}
//Needs to be before setting the move direction, lest the X collision check
//toward the slope rather than in the direction of any possible collisions (i.e. our move direction).
//Store last move direction
if (moveAmount.x != 0)
{
collisions.faceDirection = (int)math.sign(moveAmount.x);
}
//Collisions here
//Do horizontal collisions unconditionally.
HorizontalCollisions(
ref moveAmount, ref collisions,
data.raycastController[i],
data.characterController[i].maxSlopeAngle,
moveAmountPreChange,
mask
);
//Do vertical collisions only if moving vertically.
if (moveAmount.y != 0)
{
VerticalCollisions(
ref moveAmount,
ref collisions,
data.raycastController[i],
mask
);
CounteractJointCatching(
ref moveAmount,
ref collisions,
data.raycastController[i].skinWidth,
data.raycastController[i].bottomCorners,
mask
);
}
collisions.below |= em.HasComponent(data.entities[i], typeof(ForceGrounded));
//Apply components' new data.
float3 positionOutput = data.position[i].Value;
positionOutput.x += moveAmount.x;
positionOutput.y += moveAmount.y;
data.position[i] = new Position {
Value = positionOutput
};
//Movement component's job is done, and it will be blanked by MoveResetSystem.
//Output this for next frame.
data.collisions[i] = collisions;
}
}
void CheckIfSlidingDownSlope(
ref float2 moveAmount,
ref CollisionInfo collisions,
in float2x2 bottomCorners, //@TODO: Do variables passed as in interfere with cache friendliness?