4725747591

Committed 17 Apr 2023 08:58PM CUT coverage: 100.0%. Remained the same

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push

github

Committed by GitHub

Commit Message

Add parallel simulations example (#223)

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2729 of 2729 relevant lines covered (100.0%)

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100.0

/ecs/filter.go

package ecs

// Filter is the interface for logic filters.
// Filters are required to query entities using [World.Query].
//
// See [Mask] and [MaskFilter] for basic filters.
// For type-safe generics queries, see package [github.com/mlange-42/arche/generic].
// For advanced filtering, see package [github.com/mlange-42/arche/filter].
type Filter interface {
        // Matches the filter against a bitmask, i.e. a component composition.
        Matches(bits Mask) bool
}

// MaskFilter is a [Filter] for including and excluding certain components.
// See [All] and [Mask.Without].
type MaskFilter struct {
        Include Mask // Components to include.
        Exclude Mask // Components to exclude.
}

// Matches matches a filter against a mask.
func (f *MaskFilter) Matches(bits Mask) bool {
        return bits.Contains(f.Include) && (f.Exclude.IsZero() || !bits.ContainsAny(f.Exclude))
}

// CachedFilter is a filter that is cached by the world.
//
// Create it using [Cache.Register].
type CachedFilter struct {
        filter Filter
        id     ID
}

// Matches matches a filter against a mask.
func (f *CachedFilter) Matches(bits Mask) bool {
        return f.filter.Matches(bits)
}

1	package ecs
2
3	// Filter is the interface for logic filters.
4	// Filters are required to query entities using [World.Query].
5	//
6	// See [Mask] and [MaskFilter] for basic filters.
7	// For type-safe generics queries, see package [github.com/mlange-42/arche/generic].
8	// For advanced filtering, see package [github.com/mlange-42/arche/filter].
9	type Filter interface {
10	// Matches the filter against a bitmask, i.e. a component composition.
11	Matches(bits Mask) bool
12	}
13
14	// MaskFilter is a [Filter] for including and excluding certain components.
15	// See [All] and [Mask.Without].
16	type MaskFilter struct {
17	Include Mask // Components to include.
18	Exclude Mask // Components to exclude.
19	}
20
21	// Matches matches a filter against a mask.
22	func (f *MaskFilter) Matches(bits Mask) bool {	55✔
23	return bits.Contains(f.Include) && (f.Exclude.IsZero() \|\| !bits.ContainsAny(f.Exclude))	55✔
24	}	55✔
25
26	// CachedFilter is a filter that is cached by the world.
27	//
28	// Create it using [Cache.Register].
29	type CachedFilter struct {
30	filter Filter
31	id ID
32	}
33
34	// Matches matches a filter against a mask.
35	func (f *CachedFilter) Matches(bits Mask) bool {	2✔
36	return f.filter.Matches(bits)	2✔
37	}	2✔

mlange-42 / arche / 4725747591

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