public void Execute(int i_arrayIndex)
{
Entity octreeRootNodeEntity = a_collisionChecksEntities [i_arrayIndex];
// Its value should be 0, if no collision is detected.
// And >= 1, if instance collision is detected, or there is more than one collision,
// indicating number of collisions.
IsCollidingData isCollidingData = a_isCollidingData [octreeRootNodeEntity];
// Stores reference to detected colliding instance.
DynamicBuffer <CollisionInstancesBufferElement> a_collisionInstancesBuffer = collisionInstancesBufferElement [octreeRootNodeEntity];
isCollidingData.i_nearestInstanceCollisionIndex = 0;
isCollidingData.f_nearestDistance = float.PositiveInfinity;
isCollidingData.i_collisionsCount = 0; // Reset colliding instances counter.
RootNodeData octreeRootNodeData = a_octreeRootNodeData [octreeRootNodeEntity];
DynamicBuffer <NodeBufferElement> a_nodesBuffer = nodeBufferElement [octreeRootNodeEntity];
DynamicBuffer <NodeInstancesIndexBufferElement> a_nodeInstancesIndexBuffer = nodeInstancesIndexBufferElement [octreeRootNodeEntity];
DynamicBuffer <NodeChildrenBufferElement> a_nodeChildrenBuffer = nodeChildrenBufferElement [octreeRootNodeEntity];
DynamicBuffer <InstanceBufferElement> a_instanceBuffer = instanceBufferElement [octreeRootNodeEntity];
BoundsEntityPair4CollisionData rayEntityPair4CollisionData = a_boundsEntityPair4CollisionData [octreeRootNodeEntity];
// Ray entity pair, for collision checks
Entity bounds2CheckEntity = rayEntityPair4CollisionData.bounds2CheckEntity;
// Is target octree active
if (a_isActiveTag.Exists(bounds2CheckEntity))
{
BoundsData checkBounds = a_boundsData [bounds2CheckEntity];
// To even allow instances collision checks, octree must have at least one instance.
if (octreeRootNodeData.i_totalInstancesCountInTree > 0)
{
if (GetCollidingBoundsInstances_Common._GetNodeColliding(octreeRootNodeData, octreeRootNodeData.i_rootNodeIndex, checkBounds.bounds, ref a_collisionInstancesBuffer, ref isCollidingData, a_nodesBuffer, a_nodeChildrenBuffer, a_nodeInstancesIndexBuffer, a_instanceBuffer))
{
/*
* // Debug
* Debug.Log ( "Is colliding." ) ;
*/
}
}
}
a_isCollidingData [octreeRootNodeEntity] = isCollidingData; // Set back.
}
protected override JobHandle OnUpdate(JobHandle inputDeps)
{
// EntityCommandBuffer ecb = barrier.CreateCommandBuffer () ;
EntityArray a_collisionChecksEntities = group.GetEntityArray();
ComponentDataFromEntity <BoundsEntityPair4CollisionData> a_boundsEntityPair4CollisionData = GetComponentDataFromEntity <BoundsEntityPair4CollisionData> ();
ComponentDataFromEntity <IsCollidingData> a_isCollidingData = GetComponentDataFromEntity <IsCollidingData> ();
BufferFromEntity <CollisionInstancesBufferElement> collisionInstancesBufferElement = GetBufferFromEntity <CollisionInstancesBufferElement> ();
ComponentDataFromEntity <RootNodeData> a_octreeRootNodeData = GetComponentDataFromEntity <RootNodeData> ();
BufferFromEntity <NodeBufferElement> nodeBufferElement = GetBufferFromEntity <NodeBufferElement> ();
BufferFromEntity <NodeInstancesIndexBufferElement> nodeInstancesIndexBufferElement = GetBufferFromEntity <NodeInstancesIndexBufferElement> ();
BufferFromEntity <NodeChildrenBufferElement> nodeChildrenBufferElement = GetBufferFromEntity <NodeChildrenBufferElement> ();
BufferFromEntity <InstanceBufferElement> instanceBufferElement = GetBufferFromEntity <InstanceBufferElement> ();
// Ray entity pair, for collision checks
ComponentDataFromEntity <IsActiveTag> a_isActiveTag = GetComponentDataFromEntity <IsActiveTag> ();
ComponentDataFromEntity <BoundsData> a_boundsData = GetComponentDataFromEntity <BoundsData> ();
// Test bounds
// Debug
// ! Ensure test this only with single, or at most few ray entiities.
GetCollidingBoundsInstances_Common._DebugBounds(barrier.CreateCommandBuffer(), a_collisionChecksEntities, a_isCollidingData, collisionInstancesBufferElement, false);
// Test bounds
Bounds checkBounds = new Bounds()
{
center = new float3(10, 2, 10),
size = new float3(1, 1, 1) * 5 // Total size of boundry
};
int i_groupLength = group.CalculateLength();
var setBoundsTestJob = new SetBoundsTestJob
{
checkBounds = checkBounds,
a_collisionChecksEntities = a_collisionChecksEntities,
a_boundsEntityPair4CollisionData = a_boundsEntityPair4CollisionData,
a_boundsData = a_boundsData,
}.Schedule(i_groupLength, 8, inputDeps);
var job = new Job
{
//ecb = ecb,
a_collisionChecksEntities = a_collisionChecksEntities,
a_boundsEntityPair4CollisionData = a_boundsEntityPair4CollisionData,
a_isCollidingData = a_isCollidingData,
collisionInstancesBufferElement = collisionInstancesBufferElement,
a_octreeRootNodeData = a_octreeRootNodeData,
nodeBufferElement = nodeBufferElement,
nodeInstancesIndexBufferElement = nodeInstancesIndexBufferElement,
nodeChildrenBufferElement = nodeChildrenBufferElement,
instanceBufferElement = instanceBufferElement,
// Ray entity pair, for collision checks
a_isActiveTag = a_isActiveTag,
a_boundsData = a_boundsData,
}.Schedule(i_groupLength, 8, setBoundsTestJob);
return(job);
}
