13604663297

Committed 01 Mar 2025 12:16PM CUT coverage: 94.752% (-2.3%) from 97.025%

Build # 13604663297

Build Type

Pull #83

github

Committed by

web-flow

Commit Message

Merge ca5080db9 into 3013a616a

Pull Request Pull Request #83: Add functionality required for (de)-serialization

Run Details

19 of 112 new or added lines in 4 files covered. (16.96%)

3737 of 3944 relevant lines covered (94.75%)

47657.17 hits per line

Source File
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54.84

/ecs/entity.go

package ecs

import "encoding/json"

type entityID uint32

var entityType = typeOf[Entity]()
var entitySize = sizeOf(entityType)

var wildcard = Entity{1, 0}

// Entity identifier.
type Entity struct {
        id  entityID // Entity ID
        gen uint32   // Entity generation
}

func newEntity(id entityID) Entity {
        return Entity{id, 0}
}

// IsZero returns whether this entity is the reserved zero entity.
func (e Entity) IsZero() bool {
        return e.id == 0
}

// isWildcard returns whether this entity is the reserved wildcard entity.
func (e Entity) isWildcard() bool {
        return e.id == 1
}

// MarshalJSON returns a JSON representation of the entity, for serialization purposes.
//
// The JSON representation of an entity is a two-element array of entity ID and generation.
func (e Entity) MarshalJSON() ([]byte, error) {
        arr := [2]uint32{uint32(e.id), e.gen}
        jsonValue, _ := json.Marshal(arr) // Ignore the error, as we can be sure this works.
        return jsonValue, nil
}

// UnmarshalJSON into an entity.
//
// For serialization purposes only. Do not use this to create entities!
func (e *Entity) UnmarshalJSON(data []byte) error {
        arr := [2]uint32{}
        if err := json.Unmarshal(data, &arr); err != nil {
                return err
        }
        e.id = entityID(arr[0])
        e.gen = arr[1]

        return nil
}

func (e Entity) toRelation(id ID, out []RelationID) []RelationID {
        out = out[:0]
        out = append(out, RelationID{
                component: id,
                target:    Entity(e),
        })
        return out
}

type entityIndex struct {
        table tableID
        row   uint32
}

type entities []entityIndex

1	package ecs
2
3	import "encoding/json"
4
5	type entityID uint32
6
7	var entityType = typeOf[Entity]()
8	var entitySize = sizeOf(entityType)
9
10	var wildcard = Entity{1, 0}
11
12	// Entity identifier.
13	type Entity struct {
14	id entityID // Entity ID
15	gen uint32 // Entity generation
16	}
17
18	func newEntity(id entityID) Entity {	8✔
19	return Entity{id, 0}	8✔
20	}	8✔
21
22	// IsZero returns whether this entity is the reserved zero entity.
23	func (e Entity) IsZero() bool {	46✔
24	return e.id == 0	46✔
25	}	46✔
26
27	// isWildcard returns whether this entity is the reserved wildcard entity.
28	func (e Entity) isWildcard() bool {	1✔
29	return e.id == 1	1✔
30	}	1✔
31
32	// MarshalJSON returns a JSON representation of the entity, for serialization purposes.
33	//
34	// The JSON representation of an entity is a two-element array of entity ID and generation.
NEW 35	func (e Entity) MarshalJSON() ([]byte, error) {	×
NEW 36	arr := [2]uint32{uint32(e.id), e.gen}	×
NEW 37	jsonValue, _ := json.Marshal(arr) // Ignore the error, as we can be sure this works.	×
NEW 38	return jsonValue, nil	×
NEW 39	}	×
40
41	// UnmarshalJSON into an entity.
42	//
43	// For serialization purposes only. Do not use this to create entities!
NEW 44	func (e *Entity) UnmarshalJSON(data []byte) error {	×
NEW 45	arr := [2]uint32{}	×
NEW 46	if err := json.Unmarshal(data, &arr); err != nil {	×
NEW 47	return err	×
NEW 48	}	×
NEW 49	e.id = entityID(arr[0])	×
NEW 50	e.gen = arr[1]	×
NEW 51		×
NEW 52	return nil	×
53	}
54
55	func (e Entity) toRelation(id ID, out []RelationID) []RelationID {	34✔
56	out = out[:0]	34✔
57	out = append(out, RelationID{	34✔
58	component: id,	34✔
59	target: Entity(e),	34✔
60	})	34✔
61	return out	34✔
62	}	34✔
63
64	type entityIndex struct {
65	table tableID
66	row uint32
67	}
68
69	type entities []entityIndex

mlange-42 / ark / 13604663297

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