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view_gen.go
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view_gen.go
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package ecs
// Warning: This is an autogenerated file. Do not modify!!
// --------------------------------------------------------------------------------
// - View 1
// --------------------------------------------------------------------------------
// Represents a view of data in a specific world. Provides access to the components specified in the generic block
type View1[A any] struct {
world *World
filter filterList
storageA *componentSliceStorage[A]
}
// implement the intializer interface so that it can be automatically created and injected into systems
func (v *View1[A]) initialize(world *World) any {
// TODO: filters need to be a part of the query type
return Query1[A](world)
}
// Creates a View for the specified world with the specified component filters.
func Query1[A any](world *World, filters ...Filter) *View1[A] {
storageA := getStorage[A](world.engine)
var AA A
comps := []componentId{
name(AA),
}
filterList := newFilterList(comps, filters...)
filterList.regenerate(world)
v := &View1[A]{
world: world,
filter: filterList,
storageA: storageA,
}
return v
}
// Reads a pointer to the underlying component at the specified id.
// Read will return even if the specified id doesn't match the filter list
// Read will return the value if it exists, else returns nil.
// If you execute any ecs.Write(...) or ecs.Delete(...) this pointer may become invalid.
func (v *View1[A]) Read(id Id) (*A) {
if id == InvalidEntity {
return nil
}
archId, ok := v.world.arch.Get(id)
if !ok {
return nil
}
lookup := v.world.engine.lookup[archId]
if lookup == nil {
panic("LookupList is missing!")
}
// lookup, ok := v.world.engine.lookup[archId]
// if !ok {
// panic("LookupList is missing!")
// }
index, ok := lookup.index.Get(id)
if !ok {
return nil
}
var retA *A
sliceA, ok := v.storageA.slice[archId]
if ok {
retA = &sliceA.comp[index]
}
return retA
}
// Counts the number of entities that match this query
func (v *View1[A]) Count() int {
v.filter.regenerate(v.world)
total := 0
for _, archId := range v.filter.archIds {
lookup := v.world.engine.lookup[archId]
if lookup == nil { panic("LookupList is missing!") }
total += lookup.Len()
}
return total
}
// Maps the lambda function across every entity which matched the specified filters.
func (v *View1[A]) MapId(lambda func(id Id, a *A)) {
v.filter.regenerate(v.world)
var sliceA *componentSlice[A]
var compA []A
var retA *A
for _, archId := range v.filter.archIds {
sliceA, _ = v.storageA.slice[archId]
lookup := v.world.engine.lookup[archId]
if lookup == nil { panic("LookupList is missing!") }
// lookup, ok := v.world.engine.lookup[archId]
// if !ok { panic("LookupList is missing!") }
ids := lookup.id
// TODO - this flattened version causes a mild performance hit. But the other one combinatorially explodes. I also cant get BCE to work with it. See option 2 for higher performance.
compA = nil
if sliceA != nil {
compA = sliceA.comp
}
retA = nil
for idx := range ids {
if ids[idx] == InvalidEntity { continue } // Skip if its a hole
if compA != nil { retA = &compA[idx] }
lambda(ids[idx], retA)
}
// // Option 2 - This is faster but has a combinatorial explosion problem
// if compA == nil && compB == nil {
// return
// } else if compA != nil && compB == nil {
// if len(ids) != len(compA) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], &compA[i], nil)
// }
// } else if compA == nil && compB != nil {
// if len(ids) != len(compB) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], nil, &compB[i])
// }
// } else if compA != nil && compB != nil {
// if len(ids) != len(compA) || len(ids) != len(compB) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], &compA[i], &compB[i])
// }
// }
}
// Original - doesn't handle optional
// for _, archId := range v.filter.archIds {
// aSlice, ok := v.storageA.slice[archId]
// if !ok { continue }
// bSlice, ok := v.storageB.slice[archId]
// if !ok { continue }
// lookup, ok := v.world.engine.lookup[archId]
// if !ok { panic("LookupList is missing!") }
// ids := lookup.id
// aComp := aSlice.comp
// bComp := bSlice.comp
// if len(ids) != len(aComp) || len(ids) != len(bComp) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], &aComp[i], &bComp[i])
// }
// }
}
// Deprecated: This API is a tentative alternative way to map
func (v *View1[A]) MapSlices(lambda func(id []Id, a []A)) {
v.filter.regenerate(v.world)
id := make([][]Id, 0)
sliceListA := make([][]A, 0)
for _, archId := range v.filter.archIds {
sliceA, ok := v.storageA.slice[archId]
if !ok { continue }
lookup := v.world.engine.lookup[archId]
if lookup == nil { panic("LookupList is missing!") }
// lookup, ok := v.world.engine.lookup[archId]
// if !ok { panic("LookupList is missing!") }
id = append(id, lookup.id)
sliceListA = append(sliceListA, sliceA.comp)
}
for idx := range id {
lambda(id[idx],
sliceListA[idx],
)
}
}
// --------------------------------------------------------------------------------
// - View 2
// --------------------------------------------------------------------------------
// Represents a view of data in a specific world. Provides access to the components specified in the generic block
type View2[A,B any] struct {
world *World
filter filterList
storageA *componentSliceStorage[A]
storageB *componentSliceStorage[B]
}
// implement the intializer interface so that it can be automatically created and injected into systems
func (v *View2[A,B]) initialize(world *World) any {
// TODO: filters need to be a part of the query type
return Query2[A,B](world)
}
// Creates a View for the specified world with the specified component filters.
func Query2[A,B any](world *World, filters ...Filter) *View2[A,B] {
storageA := getStorage[A](world.engine)
storageB := getStorage[B](world.engine)
var AA A
var BB B
comps := []componentId{
name(AA),
name(BB),
}
filterList := newFilterList(comps, filters...)
filterList.regenerate(world)
v := &View2[A,B]{
world: world,
filter: filterList,
storageA: storageA,
storageB: storageB,
}
return v
}
// Reads a pointer to the underlying component at the specified id.
// Read will return even if the specified id doesn't match the filter list
// Read will return the value if it exists, else returns nil.
// If you execute any ecs.Write(...) or ecs.Delete(...) this pointer may become invalid.
func (v *View2[A,B]) Read(id Id) (*A,*B) {
if id == InvalidEntity {
return nil, nil
}
archId, ok := v.world.arch.Get(id)
if !ok {
return nil, nil
}
lookup := v.world.engine.lookup[archId]
if lookup == nil {
panic("LookupList is missing!")
}
// lookup, ok := v.world.engine.lookup[archId]
// if !ok {
// panic("LookupList is missing!")
// }
index, ok := lookup.index.Get(id)
if !ok {
return nil, nil
}
var retA *A
var retB *B
sliceA, ok := v.storageA.slice[archId]
if ok {
retA = &sliceA.comp[index]
}
sliceB, ok := v.storageB.slice[archId]
if ok {
retB = &sliceB.comp[index]
}
return retA, retB
}
// Counts the number of entities that match this query
func (v *View2[A,B]) Count() int {
v.filter.regenerate(v.world)
total := 0
for _, archId := range v.filter.archIds {
lookup := v.world.engine.lookup[archId]
if lookup == nil { panic("LookupList is missing!") }
total += lookup.Len()
}
return total
}
// Maps the lambda function across every entity which matched the specified filters.
func (v *View2[A,B]) MapId(lambda func(id Id, a *A, b *B)) {
v.filter.regenerate(v.world)
var sliceA *componentSlice[A]
var compA []A
var retA *A
var sliceB *componentSlice[B]
var compB []B
var retB *B
for _, archId := range v.filter.archIds {
sliceA, _ = v.storageA.slice[archId]
sliceB, _ = v.storageB.slice[archId]
lookup := v.world.engine.lookup[archId]
if lookup == nil { panic("LookupList is missing!") }
// lookup, ok := v.world.engine.lookup[archId]
// if !ok { panic("LookupList is missing!") }
ids := lookup.id
// TODO - this flattened version causes a mild performance hit. But the other one combinatorially explodes. I also cant get BCE to work with it. See option 2 for higher performance.
compA = nil
if sliceA != nil {
compA = sliceA.comp
}
compB = nil
if sliceB != nil {
compB = sliceB.comp
}
retA = nil
retB = nil
for idx := range ids {
if ids[idx] == InvalidEntity { continue } // Skip if its a hole
if compA != nil { retA = &compA[idx] }
if compB != nil { retB = &compB[idx] }
lambda(ids[idx], retA, retB)
}
// // Option 2 - This is faster but has a combinatorial explosion problem
// if compA == nil && compB == nil {
// return
// } else if compA != nil && compB == nil {
// if len(ids) != len(compA) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], &compA[i], nil)
// }
// } else if compA == nil && compB != nil {
// if len(ids) != len(compB) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], nil, &compB[i])
// }
// } else if compA != nil && compB != nil {
// if len(ids) != len(compA) || len(ids) != len(compB) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], &compA[i], &compB[i])
// }
// }
}
// Original - doesn't handle optional
// for _, archId := range v.filter.archIds {
// aSlice, ok := v.storageA.slice[archId]
// if !ok { continue }
// bSlice, ok := v.storageB.slice[archId]
// if !ok { continue }
// lookup, ok := v.world.engine.lookup[archId]
// if !ok { panic("LookupList is missing!") }
// ids := lookup.id
// aComp := aSlice.comp
// bComp := bSlice.comp
// if len(ids) != len(aComp) || len(ids) != len(bComp) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], &aComp[i], &bComp[i])
// }
// }
}
// Deprecated: This API is a tentative alternative way to map
func (v *View2[A,B]) MapSlices(lambda func(id []Id, a []A, b []B)) {
v.filter.regenerate(v.world)
id := make([][]Id, 0)
sliceListA := make([][]A, 0)
sliceListB := make([][]B, 0)
for _, archId := range v.filter.archIds {
sliceA, ok := v.storageA.slice[archId]
if !ok { continue }
sliceB, ok := v.storageB.slice[archId]
if !ok { continue }
lookup := v.world.engine.lookup[archId]
if lookup == nil { panic("LookupList is missing!") }
// lookup, ok := v.world.engine.lookup[archId]
// if !ok { panic("LookupList is missing!") }
id = append(id, lookup.id)
sliceListA = append(sliceListA, sliceA.comp)
sliceListB = append(sliceListB, sliceB.comp)
}
for idx := range id {
lambda(id[idx],
sliceListA[idx],sliceListB[idx],
)
}
}
// --------------------------------------------------------------------------------
// - View 3
// --------------------------------------------------------------------------------
// Represents a view of data in a specific world. Provides access to the components specified in the generic block
type View3[A,B,C any] struct {
world *World
filter filterList
storageA *componentSliceStorage[A]
storageB *componentSliceStorage[B]
storageC *componentSliceStorage[C]
}
// implement the intializer interface so that it can be automatically created and injected into systems
func (v *View3[A,B,C]) initialize(world *World) any {
// TODO: filters need to be a part of the query type
return Query3[A,B,C](world)
}
// Creates a View for the specified world with the specified component filters.
func Query3[A,B,C any](world *World, filters ...Filter) *View3[A,B,C] {
storageA := getStorage[A](world.engine)
storageB := getStorage[B](world.engine)
storageC := getStorage[C](world.engine)
var AA A
var BB B
var CC C
comps := []componentId{
name(AA),
name(BB),
name(CC),
}
filterList := newFilterList(comps, filters...)
filterList.regenerate(world)
v := &View3[A,B,C]{
world: world,
filter: filterList,
storageA: storageA,
storageB: storageB,
storageC: storageC,
}
return v
}
// Reads a pointer to the underlying component at the specified id.
// Read will return even if the specified id doesn't match the filter list
// Read will return the value if it exists, else returns nil.
// If you execute any ecs.Write(...) or ecs.Delete(...) this pointer may become invalid.
func (v *View3[A,B,C]) Read(id Id) (*A,*B,*C) {
if id == InvalidEntity {
return nil, nil, nil
}
archId, ok := v.world.arch.Get(id)
if !ok {
return nil, nil, nil
}
lookup := v.world.engine.lookup[archId]
if lookup == nil {
panic("LookupList is missing!")
}
// lookup, ok := v.world.engine.lookup[archId]
// if !ok {
// panic("LookupList is missing!")
// }
index, ok := lookup.index.Get(id)
if !ok {
return nil, nil, nil
}
var retA *A
var retB *B
var retC *C
sliceA, ok := v.storageA.slice[archId]
if ok {
retA = &sliceA.comp[index]
}
sliceB, ok := v.storageB.slice[archId]
if ok {
retB = &sliceB.comp[index]
}
sliceC, ok := v.storageC.slice[archId]
if ok {
retC = &sliceC.comp[index]
}
return retA, retB, retC
}
// Counts the number of entities that match this query
func (v *View3[A,B,C]) Count() int {
v.filter.regenerate(v.world)
total := 0
for _, archId := range v.filter.archIds {
lookup := v.world.engine.lookup[archId]
if lookup == nil { panic("LookupList is missing!") }
total += lookup.Len()
}
return total
}
// Maps the lambda function across every entity which matched the specified filters.
func (v *View3[A,B,C]) MapId(lambda func(id Id, a *A, b *B, c *C)) {
v.filter.regenerate(v.world)
var sliceA *componentSlice[A]
var compA []A
var retA *A
var sliceB *componentSlice[B]
var compB []B
var retB *B
var sliceC *componentSlice[C]
var compC []C
var retC *C
for _, archId := range v.filter.archIds {
sliceA, _ = v.storageA.slice[archId]
sliceB, _ = v.storageB.slice[archId]
sliceC, _ = v.storageC.slice[archId]
lookup := v.world.engine.lookup[archId]
if lookup == nil { panic("LookupList is missing!") }
// lookup, ok := v.world.engine.lookup[archId]
// if !ok { panic("LookupList is missing!") }
ids := lookup.id
// TODO - this flattened version causes a mild performance hit. But the other one combinatorially explodes. I also cant get BCE to work with it. See option 2 for higher performance.
compA = nil
if sliceA != nil {
compA = sliceA.comp
}
compB = nil
if sliceB != nil {
compB = sliceB.comp
}
compC = nil
if sliceC != nil {
compC = sliceC.comp
}
retA = nil
retB = nil
retC = nil
for idx := range ids {
if ids[idx] == InvalidEntity { continue } // Skip if its a hole
if compA != nil { retA = &compA[idx] }
if compB != nil { retB = &compB[idx] }
if compC != nil { retC = &compC[idx] }
lambda(ids[idx], retA, retB, retC)
}
// // Option 2 - This is faster but has a combinatorial explosion problem
// if compA == nil && compB == nil {
// return
// } else if compA != nil && compB == nil {
// if len(ids) != len(compA) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], &compA[i], nil)
// }
// } else if compA == nil && compB != nil {
// if len(ids) != len(compB) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], nil, &compB[i])
// }
// } else if compA != nil && compB != nil {
// if len(ids) != len(compA) || len(ids) != len(compB) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], &compA[i], &compB[i])
// }
// }
}
// Original - doesn't handle optional
// for _, archId := range v.filter.archIds {
// aSlice, ok := v.storageA.slice[archId]
// if !ok { continue }
// bSlice, ok := v.storageB.slice[archId]
// if !ok { continue }
// lookup, ok := v.world.engine.lookup[archId]
// if !ok { panic("LookupList is missing!") }
// ids := lookup.id
// aComp := aSlice.comp
// bComp := bSlice.comp
// if len(ids) != len(aComp) || len(ids) != len(bComp) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], &aComp[i], &bComp[i])
// }
// }
}
// Deprecated: This API is a tentative alternative way to map
func (v *View3[A,B,C]) MapSlices(lambda func(id []Id, a []A, b []B, c []C)) {
v.filter.regenerate(v.world)
id := make([][]Id, 0)
sliceListA := make([][]A, 0)
sliceListB := make([][]B, 0)
sliceListC := make([][]C, 0)
for _, archId := range v.filter.archIds {
sliceA, ok := v.storageA.slice[archId]
if !ok { continue }
sliceB, ok := v.storageB.slice[archId]
if !ok { continue }
sliceC, ok := v.storageC.slice[archId]
if !ok { continue }
lookup := v.world.engine.lookup[archId]
if lookup == nil { panic("LookupList is missing!") }
// lookup, ok := v.world.engine.lookup[archId]
// if !ok { panic("LookupList is missing!") }
id = append(id, lookup.id)
sliceListA = append(sliceListA, sliceA.comp)
sliceListB = append(sliceListB, sliceB.comp)
sliceListC = append(sliceListC, sliceC.comp)
}
for idx := range id {
lambda(id[idx],
sliceListA[idx],sliceListB[idx],sliceListC[idx],
)
}
}
// --------------------------------------------------------------------------------
// - View 4
// --------------------------------------------------------------------------------
// Represents a view of data in a specific world. Provides access to the components specified in the generic block
type View4[A,B,C,D any] struct {
world *World
filter filterList
storageA *componentSliceStorage[A]
storageB *componentSliceStorage[B]
storageC *componentSliceStorage[C]
storageD *componentSliceStorage[D]
}
// implement the intializer interface so that it can be automatically created and injected into systems
func (v *View4[A,B,C,D]) initialize(world *World) any {
// TODO: filters need to be a part of the query type
return Query4[A,B,C,D](world)
}
// Creates a View for the specified world with the specified component filters.
func Query4[A,B,C,D any](world *World, filters ...Filter) *View4[A,B,C,D] {
storageA := getStorage[A](world.engine)
storageB := getStorage[B](world.engine)
storageC := getStorage[C](world.engine)
storageD := getStorage[D](world.engine)
var AA A
var BB B
var CC C
var DD D
comps := []componentId{
name(AA),
name(BB),
name(CC),
name(DD),
}
filterList := newFilterList(comps, filters...)
filterList.regenerate(world)
v := &View4[A,B,C,D]{
world: world,
filter: filterList,
storageA: storageA,
storageB: storageB,
storageC: storageC,
storageD: storageD,
}
return v
}
// Reads a pointer to the underlying component at the specified id.
// Read will return even if the specified id doesn't match the filter list
// Read will return the value if it exists, else returns nil.
// If you execute any ecs.Write(...) or ecs.Delete(...) this pointer may become invalid.
func (v *View4[A,B,C,D]) Read(id Id) (*A,*B,*C,*D) {
if id == InvalidEntity {
return nil, nil, nil, nil
}
archId, ok := v.world.arch.Get(id)
if !ok {
return nil, nil, nil, nil
}
lookup := v.world.engine.lookup[archId]
if lookup == nil {
panic("LookupList is missing!")
}
// lookup, ok := v.world.engine.lookup[archId]
// if !ok {
// panic("LookupList is missing!")
// }
index, ok := lookup.index.Get(id)
if !ok {
return nil, nil, nil, nil
}
var retA *A
var retB *B
var retC *C
var retD *D
sliceA, ok := v.storageA.slice[archId]
if ok {
retA = &sliceA.comp[index]
}
sliceB, ok := v.storageB.slice[archId]
if ok {
retB = &sliceB.comp[index]
}
sliceC, ok := v.storageC.slice[archId]
if ok {
retC = &sliceC.comp[index]
}
sliceD, ok := v.storageD.slice[archId]
if ok {
retD = &sliceD.comp[index]
}
return retA, retB, retC, retD
}
// Counts the number of entities that match this query
func (v *View4[A,B,C,D]) Count() int {
v.filter.regenerate(v.world)
total := 0
for _, archId := range v.filter.archIds {
lookup := v.world.engine.lookup[archId]
if lookup == nil { panic("LookupList is missing!") }
total += lookup.Len()
}
return total
}
// Maps the lambda function across every entity which matched the specified filters.
func (v *View4[A,B,C,D]) MapId(lambda func(id Id, a *A, b *B, c *C, d *D)) {
v.filter.regenerate(v.world)
var sliceA *componentSlice[A]
var compA []A
var retA *A
var sliceB *componentSlice[B]
var compB []B
var retB *B
var sliceC *componentSlice[C]
var compC []C
var retC *C
var sliceD *componentSlice[D]
var compD []D
var retD *D
for _, archId := range v.filter.archIds {
sliceA, _ = v.storageA.slice[archId]
sliceB, _ = v.storageB.slice[archId]
sliceC, _ = v.storageC.slice[archId]
sliceD, _ = v.storageD.slice[archId]
lookup := v.world.engine.lookup[archId]
if lookup == nil { panic("LookupList is missing!") }
// lookup, ok := v.world.engine.lookup[archId]
// if !ok { panic("LookupList is missing!") }
ids := lookup.id
// TODO - this flattened version causes a mild performance hit. But the other one combinatorially explodes. I also cant get BCE to work with it. See option 2 for higher performance.
compA = nil
if sliceA != nil {
compA = sliceA.comp
}
compB = nil
if sliceB != nil {
compB = sliceB.comp
}
compC = nil
if sliceC != nil {
compC = sliceC.comp
}
compD = nil
if sliceD != nil {
compD = sliceD.comp
}
retA = nil
retB = nil
retC = nil
retD = nil
for idx := range ids {
if ids[idx] == InvalidEntity { continue } // Skip if its a hole
if compA != nil { retA = &compA[idx] }
if compB != nil { retB = &compB[idx] }
if compC != nil { retC = &compC[idx] }
if compD != nil { retD = &compD[idx] }
lambda(ids[idx], retA, retB, retC, retD)
}
// // Option 2 - This is faster but has a combinatorial explosion problem
// if compA == nil && compB == nil {
// return
// } else if compA != nil && compB == nil {
// if len(ids) != len(compA) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], &compA[i], nil)
// }
// } else if compA == nil && compB != nil {
// if len(ids) != len(compB) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], nil, &compB[i])
// }
// } else if compA != nil && compB != nil {
// if len(ids) != len(compA) || len(ids) != len(compB) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], &compA[i], &compB[i])
// }
// }
}
// Original - doesn't handle optional
// for _, archId := range v.filter.archIds {
// aSlice, ok := v.storageA.slice[archId]
// if !ok { continue }
// bSlice, ok := v.storageB.slice[archId]
// if !ok { continue }
// lookup, ok := v.world.engine.lookup[archId]
// if !ok { panic("LookupList is missing!") }
// ids := lookup.id
// aComp := aSlice.comp
// bComp := bSlice.comp
// if len(ids) != len(aComp) || len(ids) != len(bComp) {
// panic("ERROR - Bounds don't match")
// }
// for i := range ids {
// if ids[i] == InvalidEntity { continue }
// lambda(ids[i], &aComp[i], &bComp[i])
// }
// }
}
// Deprecated: This API is a tentative alternative way to map
func (v *View4[A,B,C,D]) MapSlices(lambda func(id []Id, a []A, b []B, c []C, d []D)) {
v.filter.regenerate(v.world)
id := make([][]Id, 0)
sliceListA := make([][]A, 0)
sliceListB := make([][]B, 0)
sliceListC := make([][]C, 0)
sliceListD := make([][]D, 0)
for _, archId := range v.filter.archIds {
sliceA, ok := v.storageA.slice[archId]
if !ok { continue }