/// <summary>
/// Size of the array should be of multipler of i_compositesCountPerPatternGroup
/// Assigning composites to prefab
/// </summary>
/// <param name="a_compositesInPatternPrefab"></param>
static private int _AssignComponents2PatternPrefab(NativeArray <Blocks.Pattern.CompositeInPatternPrefabComponent> a_compositesInPatternPrefab)
{
int i_prefabOffsetIndex = i_currentPrefabsCount * i_compositesCountPerPatternGroup;
while (i_prefabOffsetIndex < a_compositesInPatternPrefab.Length)
{
// expand storage if needed
if (a_patternPrefabs.Length <= i_prefabOffsetIndex + i_compositesCountPerPatternGroup)
{
// it multiplies minimum size of patter storage, by given number, of empty pattern storages
int i_capacityExpanderMultipler = 10;
// add extra space
NativeArray <Blocks.Pattern.CompositeInPatternPrefabComponent> a_compositesPatternPrefabsExpand = new NativeArray <Blocks.Pattern.CompositeInPatternPrefabComponent> (a_patternPrefabs.Length + i_capacityExpanderMultipler * i_compositesCountPerPatternGroup, Allocator.Temp);
// copy old array to new bigger aray
for (int i_copyIndex = 0; i_copyIndex < a_patternPrefabs.Length; i_copyIndex++)
{
a_compositesPatternPrefabsExpand [i_copyIndex] = a_patternPrefabs [i_copyIndex];
}
// a_compositesPatternPrefabs.Dispose () ;
a_patternPrefabs = new NativeArray <Blocks.Pattern.CompositeInPatternPrefabComponent> (a_compositesPatternPrefabsExpand.Length, Allocator.Persistent);
// assign back to old array, but now with bigger capacity
a_patternPrefabs.CopyFrom(a_compositesPatternPrefabsExpand);
a_compositesPatternPrefabsExpand.Dispose();
}
int i_ignoredOffsetIndex = 0;
// assign components to prefab
for (int i = 0; i < i_compositesCountPerPatternGroup; i++)
{
int i_targetCpmpositeFromPrefabIndex = i_prefabOffsetIndex + i;
if (a_compositesInPatternPrefab [i_targetCpmpositeFromPrefabIndex].i_compositePrefabIndex >= 0)
{
// Ensuring all valid composites are stored next to each other in array, rahter tha being scattered in the array storage
// Allows to discard early (break;) iteration through, when first invalid composite is found,
// withouth accidentally discarding valid composites (per pattern)
a_patternPrefabs [i_targetCpmpositeFromPrefabIndex - i_ignoredOffsetIndex] = a_compositesInPatternPrefab [i_targetCpmpositeFromPrefabIndex];
}
else
{
i_ignoredOffsetIndex++;
// Add component to the end of store, for given prefab
// These are not used anymnore, but stored, just in case are needed at some point.
// TODO: Potentially shrinking array store cane be beneficial
CompositeInPatternPrefabComponent tempComposite = a_patternPrefabs [i_prefabOffsetIndex + i_compositesCountPerPatternGroup - i_ignoredOffsetIndex];
tempComposite.i_compositePrefabIndex = a_compositesInPatternPrefab [i].i_compositePrefabIndex;
a_patternPrefabs [i_prefabOffsetIndex + i_compositesCountPerPatternGroup - i_ignoredOffsetIndex] = tempComposite;
// other properties like position and scale is ignored
// Debug.Log ( "also -1: a_patternPrefabs index: " + (i_prefabOffsetIndex + i_compositesCountPerPatternGroup - i_ignoredOffsetIndex) ) ;
}
}
i_currentPrefabsCount++;
i_prefabOffsetIndex = i_currentPrefabsCount * i_compositesCountPerPatternGroup;
}
return(i_currentPrefabsCount);
}
/// <summary>
/// Remove inner composites, which are not on outside boundary (shell)
/// </summary>
/// <param name="i_prefablIndex"></param>
static private void _RemoveInnerComposites(int i_prefablIndex)
{
int i_discardedCompositesCount = 0;
// store temporarly filtered prefab composites
//NativeArray<CompositeInPatternPrefabComponent> a_requestAddComposites2PatternPrefabTemp = new NativeArray<CompositeInPatternPrefabComponent> ( a_requestAddComposites2PatternPrefab.Length, Allocator.Temp ) ;
for (int i = 0; i < a_requestAddComposites2PatternPrefab.Length; i++)
{
CompositeInPatternPrefabComponent compositeFromPrefab2Filter = a_requestAddComposites2PatternPrefab [i];
float3 f3_size = float3.zero;
float3 f3_sizeHalve = float3.zero;
bool isCheckRequired = false;
if (compositeFromPrefab2Filter.i_compositePrefabIndex >= 0 && math.lengthSquared(compositeFromPrefab2Filter.f3_scale) > 0.00001f)
{
isCheckRequired = true;
//f3_size = compositeFromPrefab2Filter.f3_scale - new float3 ( 1,1,1 ) * f_compositeScale ; // / f_compositeScale ) ;
//f3_sizeHalve = f3_size * 0.5f ;
}
float3 f3_filterPositionMin = a_requestAddComposites2PatternPrefab [i].f3_position - (a_requestAddComposites2PatternPrefab [i].f3_scale - f_compositeScale) * 0.5f;
float3 f3_filterPositionMax = new float3(i_compositesCountInRowPerPatternGroup, i_compositesCountInColumnPerPatternGroup, i_compositesCountInDepthPerPatternGroup);
float3 f3_filterPositionMaxDiff = (f3_filterPositionMax - 1) * f_compositeScale - (a_requestAddComposites2PatternPrefab [i].f3_position + (a_requestAddComposites2PatternPrefab [i].f3_scale - f_compositeScale) * 0.5f);
if (!isCheckRequired ||
(
f3_filterPositionMin.x < 0.0001f || // ensure that floatin precision error is not detected
f3_filterPositionMin.y < 0.0001f ||
f3_filterPositionMin.z < 0.0001f ||
f3_filterPositionMaxDiff.x < 0.0001f ||
f3_filterPositionMaxDiff.y < 0.0001f ||
f3_filterPositionMaxDiff.z < 0.0001f
))
{
isCheckRequired = false;
}
/*
* float3 f3_filterPositionMax = ( f_posMax -1 ) * f_compositeScale - a_requestAddComposites2PatternPrefab [i].f3_position ;
* float3 f3_difPosAbs = math.abs ( f3_filterPositionMax ) ;
*
* if ( f3_difPosAbs.x < 0.00001 ||
* f3_difPosAbs.y < 0.00001 ||
* f3_difPosAbs.z < 0.00001
* ) // assumes almost 0
* {
* isCheckRequired = false ;
* //isHavingNeighbour = false ;
* //break ;
* }
*/
//float3 f3_filterPositionMin = math.abs ( compositeFromPrefab2Filter.f3_position - f3_sizeHalve ) ;
//float3 f3_filterPositionMax = math.abs ( compositeFromPrefab2Filter.f3_position - ( new float3 ( i_compositesCountInRowPerPatternGroup, i_compositesCountInColumnPerPatternGroup, i_compositesCountInDepthPerPatternGroup ) -1 ) * f_compositeScale - f3_sizeHalve ) ;
// Ignore check of absolute borders, of the boxing area, where composites are allocate located.
// i.e. when position x, or y, or z are 0, or max
/*
* if ( !isCheckRequired ||
* (
* f3_filterPositionMin.x < 0.0001f || // ensure that floatin precision error is not detected
* f3_filterPositionMin.y < 0.0001f ||
* f3_filterPositionMin.z < 0.0001f ||
* f3_filterPositionMax.x < 0.0001f ||
* f3_filterPositionMax.y < 0.0001f ||
* f3_filterPositionMax.z < 0.0001f
* ) )
* {
* isCheckRequired = false ;
* }
* else
* {
*
* }
*/
//if ( i == 27 )
//{
// Debug.Log ( "test catch #" + i ) ;
//}
// Only check main part of composite, from which direction is extended, if box mesh is expanded.
if (isCheckRequired)
{
// Absolute boundary checked, now check inner area, of possible naighbours
int3 i3_size = (int3)math.round(compositeFromPrefab2Filter.f3_scale / f_compositeScale); // scalle back to integer units, for easier use as index
CompositeInPatternPrefabComponent neighbourComposite;
bool isHavingNeighbour = true;
// check boundary neighbours, of the merged composite, into bigger block, if applicable
for (int x = 0; x < i3_size.x; x++)
{
for (int y = 0; y < i3_size.y; y++)
{
for (int z = 0; z < i3_size.z; z++)
{
//bool isHavingNeighbour = true ;
int i_offset;
int i_index = i + y + x * i_compositesCountInColumnPerPatternGroup + z * i_compositesCountInColumnPerPatternGroup * i_compositesCountInRowPerPatternGroup;
float3 f_posMax = new float3(i_compositesCountInRowPerPatternGroup, i_compositesCountInColumnPerPatternGroup, i_compositesCountInDepthPerPatternGroup);
float3 f3_difPos = (f_posMax - 1) * f_compositeScale - a_requestAddComposites2PatternPrefab [i_index].f3_position;
float3 f3_difPosAbs = math.abs(f3_difPos);
if (f3_difPosAbs.x < 0.00001 ||
f3_difPosAbs.y < 0.00001 ||
f3_difPosAbs.z < 0.00001
) // assumes almost 0
{
isHavingNeighbour = false;
break;
}
// check all 6 sides
for (int i_sides = 0; i_sides < 6; i_sides++)
{
switch (i_sides)
{
case 0:
neighbourComposite = a_requestAddComposites2PatternPrefab [i_index + 1]; // +y
break;
case 1:
// i_index = i_compositesCountInColumnPerPatternGroup ;
i_offset = i_index - 1;
neighbourComposite = a_requestAddComposites2PatternPrefab [i_offset >= 0 ? i_offset : i]; // -y
break;
case 2:
neighbourComposite = a_requestAddComposites2PatternPrefab [i_index + i_compositesCountInColumnPerPatternGroup]; // +x
break;
case 3:
i_offset = i_index - i_compositesCountInColumnPerPatternGroup;
neighbourComposite = a_requestAddComposites2PatternPrefab [i_offset >= 0 ? i_offset : i]; // -x
break;
case 4:
neighbourComposite = a_requestAddComposites2PatternPrefab [i_compositesCountInColumnPerPatternGroup + i_compositesCountInColumnPerPatternGroup * i_compositesCountInRowPerPatternGroup]; // +z
break;
case 5:
i_offset = i_compositesCountInColumnPerPatternGroup - i_compositesCountInColumnPerPatternGroup * i_compositesCountInRowPerPatternGroup;
neighbourComposite = a_requestAddComposites2PatternPrefab [i_offset >= 0 ? i_offset : i]; // -z
break;
default:
// error
neighbourComposite = a_requestAddComposites2PatternPrefab [i];
break;
}
if (math.lengthSquared(neighbourComposite.f3_scale) < 0.00001f)
{
isHavingNeighbour = false;
break;
}
} // for
if (!isHavingNeighbour)
{
break;
}
} // for
if (!isHavingNeighbour)
{
break;
}
} // for
if (!isHavingNeighbour)
{
break;
}
} // for
// has no neighbour
// means is probably on the boundary, or detached
if (!isHavingNeighbour)
{
break;
}
else
{
i_discardedCompositesCount++;
//int3 i3_ = new int3 ( x,y,z ) ;
// Debug.Log ( "#" + i_discardedCompositesCount + " discarded composite #" + i + " has all 6 neghbour, at position: " + compositeFromPrefab2Filter.f3_position ) ;
//float3 f3_maxOffset = new float3 ( i_compositesCountInRowPerPatternGroup, i_compositesCountInColumnPerPatternGroup, i_compositesCountInDepthPerPatternGroup ) -
// ( compositeFromPrefab2Filter.f3_position + compositeFromPrefab2Filter.f3_scale * 0.5f + ( compositeFromPrefab2Filter.f3_scale - f_compositeScale ) * 0.5f );
//float3 f3_maxOffsetAbs = math.abs ( f3_maxOffset ) ;
/*
* // check scaling
* // must not touch borders, even if is expanded
* if ( f3_maxOffsetAbs.x > 0.0001f &&
* f3_maxOffsetAbs.y > 0.0001f &&
* f3_maxOffsetAbs.z > 0.0001f )
* {
*/
// yes haveing neighbours
// hence composite should be removed / deactivated
compositeFromPrefab2Filter.i_compositePrefabIndex = -1;
//compositeFromPrefab2Filter.f3_position = float3.zero ;
//compositeFromPrefab2Filter.f3_scale = float3.zero ;
a_requestAddComposites2PatternPrefab [i] = compositeFromPrefab2Filter;
}
}
}
//a_requestAddComposites2PatternPrefabTemp.Dispose () ;
}
