13617144606

Committed 02 Mar 2025 04:11PM CUT coverage: 97.422% (-0.002%) from 97.424%

Build # 13617144606

Build Type

push

github

Committed by

web-flow

Commit Message

Simplify component/resource registration functions (#100)

Run Details

2 of 2 new or added lines in 1 file covered. (100.0%)

3893 of 3996 relevant lines covered (97.42%)

46242.85 hits per line

Source File
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97.44

/ecs/archetype.go

package ecs

import "slices"

type archetypeID uint32

type archetype struct {
        id             archetypeID
        mask           Mask
        components     []ID
        componentsMap  []int16
        isRelation     []bool
        tables         []tableID
        freeTables     []tableID
        numRelations   uint8
        relationTables []map[entityID]*tableIDs
}

type tableIDs struct {
        tables []tableID
}

func newArchetype(id archetypeID, mask *Mask, components []ID, tables []tableID, reg *componentRegistry) archetype {
        componentsMap := make([]int16, MaskTotalBits)
        for i := range MaskTotalBits {
                componentsMap[i] = -1
        }
        for i, id := range components {
                componentsMap[id.id] = int16(i)
        }

        numRelations := uint8(0)
        isRelation := make([]bool, len(components))
        relationTables := make([]map[entityID]*tableIDs, len(components))
        for i, id := range components {
                if reg.IsRelation[id.id] {
                        isRelation[i] = true
                        relationTables[i] = map[entityID]*tableIDs{}
                        numRelations++
                }
        }
        return archetype{
                id:             id,
                mask:           *mask,
                components:     components,
                componentsMap:  componentsMap,
                isRelation:     isRelation,
                tables:         tables,
                numRelations:   numRelations,
                relationTables: relationTables,
        }
}

func (a *archetype) HasRelations() bool {
        return a.numRelations > 0
}

func (a *archetype) GetTable(storage *storage, relations []RelationID) (*table, bool) {
        if len(a.tables) == 0 {
                return nil, false
        }
        if !a.HasRelations() {
                return &storage.tables[a.tables[0]], true
        }

        index := a.componentsMap[relations[0].component.id]
        tables, ok := a.relationTables[index][relations[0].target.id]
        if !ok {
                return nil, false
        }
        for _, t := range tables.tables {
                table := &storage.tables[t]
                if table.MatchesExact(relations) {
                        return table, true
                }
        }
        return nil, false
}

func (a *archetype) GetTables(relations []RelationID) []tableID {
        if !a.HasRelations() {
                return a.tables
        }
        if len(relations) == 0 {
                return a.tables
        }
        index := a.componentsMap[relations[0].component.id]
        if tables, ok := a.relationTables[index][relations[0].target.id]; ok {
                return tables.tables
        }
        return nil
}

func (a *archetype) GetFreeTable() (tableID, bool) {
        if len(a.freeTables) == 0 {
                return 0, false
        }
        last := len(a.freeTables) - 1
        table := a.freeTables[last]

        a.freeTables = a.freeTables[:last]

        return table, true
}

func (a *archetype) FreeTable(table tableID) {
        index := slices.Index(a.tables, table)
        last := len(a.tables) - 1

        a.tables[index], a.tables[last] = a.tables[last], a.tables[index]
        a.tables = a.tables[:last]

        a.freeTables = append(a.freeTables, table)
}

func (a *archetype) AddTable(table *table) {
        a.tables = append(a.tables, table.id)
        if !a.HasRelations() {
                return
        }

        for i := range table.ids {
                column := &table.columns[i]
                if !column.isRelation {
                        continue
                }
                target := column.target
                relations := a.relationTables[i]

                if tables, ok := relations[target.id]; ok {
                        tables.tables = append(tables.tables, table.id)
                } else {
                        relations[target.id] = &tableIDs{tables: []tableID{table.id}}
                }
        }
}

func (a *archetype) RemoveTarget(entity Entity) {
        for i := range a.relationTables {
                if !a.isRelation[i] {
                        continue
                }
                delete(a.relationTables[i], entity.id)
        }
}

func (a *archetype) Reset(storage *storage) {
        if !a.HasRelations() {
                storage.tables[a.tables[0]].Reset()
                return
        }

        for _, tab := range a.tables {
                table := &storage.tables[tab]
                table.Reset()
        }

        for i := len(a.tables) - 1; i >= 0; i-- {
                a.FreeTable(a.tables[i])
        }

        for _, m := range a.relationTables {
                for key := range m {
                        delete(m, key)
                }
        }
}

1	package ecs
2
3	import "slices"
4
5	type archetypeID uint32
6
7	type archetype struct {
8	id archetypeID
9	mask Mask
10	components []ID
11	componentsMap []int16
12	isRelation []bool
13	tables []tableID
14	freeTables []tableID
15	numRelations uint8
16	relationTables []map[entityID]*tableIDs
17	}
18
19	type tableIDs struct {
20	tables []tableID
21	}
22
23	func newArchetype(id archetypeID, mask Mask, components []ID, tables []tableID, reg componentRegistry) archetype {	267✔
24	componentsMap := make([]int16, MaskTotalBits)	267✔
25	for i := range MaskTotalBits {	68,619✔
26	componentsMap[i] = -1	68,352✔
27	}	68,352✔
28	for i, id := range components {	756✔
29	componentsMap[id.id] = int16(i)	489✔
30	}	489✔
31
32	numRelations := uint8(0)	267✔
33	isRelation := make([]bool, len(components))	267✔
34	relationTables := make([]map[entityID]*tableIDs, len(components))	267✔
35	for i, id := range components {	756✔
36	if reg.IsRelation[id.id] {	520✔
37	isRelation[i] = true	31✔
38	relationTables[i] = map[entityID]*tableIDs{}	31✔
39	numRelations++	31✔
40	}	31✔
41	}
42	return archetype{	267✔
43	id: id,	267✔
44	mask: *mask,	267✔
45	components: components,	267✔
46	componentsMap: componentsMap,	267✔
47	isRelation: isRelation,	267✔
48	tables: tables,	267✔
49	numRelations: numRelations,	267✔
50	relationTables: relationTables,	267✔
51	}	267✔
52	}
53
54	func (a *archetype) HasRelations() bool {	497,839✔
55	return a.numRelations > 0	497,839✔
56	}	497,839✔
57
58	func (a archetype) GetTable(storage storage, relations []RelationID) (*table, bool) {	496,508✔
59	if len(a.tables) == 0 {	496,654✔
60	return nil, false	146✔
61	}	146✔
62	if !a.HasRelations() {	992,316✔
63	return &storage.tables[a.tables[0]], true	495,954✔
64	}	495,954✔
65
66	index := a.componentsMap[relations[0].component.id]	408✔
67	tables, ok := a.relationTables[index][relations[0].target.id]	408✔
68	if !ok {	445✔
69	return nil, false	37✔
70	}	37✔
71	for _, t := range tables.tables {	761✔
72	table := &storage.tables[t]	390✔
73	if table.MatchesExact(relations) {	759✔
74	return table, true	369✔
75	}	369✔
76	}
77	return nil, false	2✔
78	}
79
80	func (a *archetype) GetTables(relations []RelationID) []tableID {	27✔
81	if !a.HasRelations() {	27✔
82	return a.tables	×
83	}	×
84	if len(relations) == 0 {	41✔
85	return a.tables	14✔
86	}	14✔
87	index := a.componentsMap[relations[0].component.id]	13✔
88	if tables, ok := a.relationTables[index][relations[0].target.id]; ok {	26✔
89	return tables.tables	13✔
90	}	13✔
91	return nil	×
92	}
93
94	func (a *archetype) GetFreeTable() (tableID, bool) {	185✔
95	if len(a.freeTables) == 0 {	369✔
96	return 0, false	184✔
97	}	184✔
98	last := len(a.freeTables) - 1	1✔
99	table := a.freeTables[last]	1✔
100		1✔
101	a.freeTables = a.freeTables[:last]	1✔
102		1✔
103	return table, true	1✔
104	}
105
106	func (a *archetype) FreeTable(table tableID) {	4✔
107	index := slices.Index(a.tables, table)	4✔
108	last := len(a.tables) - 1	4✔
109		4✔
110	a.tables[index], a.tables[last] = a.tables[last], a.tables[index]	4✔
111	a.tables = a.tables[:last]	4✔
112		4✔
113	a.freeTables = append(a.freeTables, table)	4✔
114	}	4✔
115
116	func (a archetype) AddTable(table table) {	185✔
117	a.tables = append(a.tables, table.id)	185✔
118	if !a.HasRelations() {	303✔
119	return	118✔
120	}	118✔
121
122	for i := range table.ids {	303✔
123	column := &table.columns[i]	236✔
124	if !column.isRelation {	397✔
125	continue	161✔
126	}
127	target := column.target	75✔
128	relations := a.relationTables[i]	75✔
129		75✔
130	if tables, ok := relations[target.id]; ok {	80✔
131	tables.tables = append(tables.tables, table.id)	5✔
132	} else {	75✔
133	relations[target.id] = &tableIDs{tables: []tableID{table.id}}	70✔
134	}	70✔
135	}
136	}
137
138	func (a *archetype) RemoveTarget(entity Entity) {	2✔
139	for i := range a.relationTables {	6✔
140	if !a.isRelation[i] {	6✔
141	continue	2✔
142	}
143	delete(a.relationTables[i], entity.id)	2✔
144	}
145	}
146
147	func (a archetype) Reset(storage storage) {	4✔
148	if !a.HasRelations() {	7✔
149	storage.tables[a.tables[0]].Reset()	3✔
150	return	3✔
151	}	3✔
152
153	for _, tab := range a.tables {	3✔
154	table := &storage.tables[tab]	2✔
155	table.Reset()	2✔
156	}	2✔
157
158	for i := len(a.tables) - 1; i >= 0; i-- {	3✔
159	a.FreeTable(a.tables[i])	2✔
160	}	2✔
161
162	for _, m := range a.relationTables {	3✔
163	for key := range m {	4✔
164	delete(m, key)	2✔
165	}	2✔
166	}
167	}

mlange-42 / ark / 13617144606

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