7479011048

Committed 10 Jan 2024 06:06PM CUT coverage: 83.766%. Remained the same

Build # 7479011048

Build Type

push

github

Committed by

web-flow

Commit Message

Add examples to readme and package (#2)

* add examples to readme and package
* add features disclaimer

Run Details

129 of 154 relevant lines covered (83.77%)

28.38 hits per line

Source File
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92.59

/serialize.go

package archeserde

import (
        "encoding/json"
        "fmt"
        "reflect"
        "strings"

        "github.com/mlange-42/arche/ecs"
)

// Serialize an Arche ECS world to JSON.
func Serialize(world *ecs.World) ([]byte, error) {
        builder := strings.Builder{}

        builder.WriteString("{\"Components\" : [\n")

        types := map[ecs.ID]reflect.Type{}
        for i := 0; i < ecs.MaskTotalBits; i++ {
                if tp, ok := ecs.ComponentType(world, ecs.ID(i)); ok {
                        types[ecs.ID(i)] = tp
                }
        }
        maxComp := len(types) - 1
        counter := 0
        for _, tp := range types {
                builder.WriteString(fmt.Sprintf("  \"%s\"", tp.String()))
                if counter < maxComp {
                        builder.WriteString(",")
                }
                builder.WriteString("\n")
                counter++
        }

        builder.WriteString("],\n\"Entities\" : [\n")
        query := world.Query(ecs.All())
        lastEntity := query.Count() - 1
        counter = 0
        for query.Next() {
                builder.WriteString("  {\n")

                ids := query.Ids()
                last := len(ids) - 1
                for i, id := range ids {
                        tp, _ := ecs.ComponentType(world, id)

                        comp := query.Get(id)
                        value := reflect.NewAt(tp, comp).Interface()
                        jsonData, err := json.Marshal(value)
                        if err != nil {
                                return nil, err
                        }
                        builder.WriteString("    ")
                        builder.WriteString(fmt.Sprintf("\"%s\" : ", tp.String()))
                        builder.WriteString(string(jsonData))
                        if i < last {
                                builder.WriteString(",")
                        }
                        builder.WriteString("\n")
                }

                builder.WriteString("  }")
                if counter < lastEntity {
                        builder.WriteString(",")
                }
                builder.WriteString("\n")

                counter++
        }
        builder.WriteString("],\n\"Resources\" : {\n")

        resTypes := map[ecs.ResID]reflect.Type{}
        for i := 0; i < ecs.MaskTotalBits; i++ {
                if tp, ok := ecs.ResourceType(world, ecs.ResID(i)); ok {
                        resTypes[ecs.ResID(i)] = tp
                }
        }

        last := len(resTypes) - 1
        counter = 0
        for id, tp := range resTypes {
                res := world.Resources().Get(id)
                rValue := reflect.ValueOf(res)
                ptr := rValue.UnsafePointer()

                value := reflect.NewAt(tp, ptr).Interface()
                jsonData, err := json.Marshal(value)
                if err != nil {
                        return nil, err
                }

                builder.WriteString("    ")
                builder.WriteString(fmt.Sprintf("\"%s\" : ", tp.String()))
                builder.WriteString(string(jsonData))

                if counter < last {
                        builder.WriteString(",")
                }
                builder.WriteString("\n")
        }

        builder.WriteString("}}")

        return []byte(builder.String()), nil
}

1	package archeserde
2
3	import (
4	"encoding/json"
5	"fmt"
6	"reflect"
7	"strings"
8
9	"github.com/mlange-42/arche/ecs"
10	)
11
12	// Serialize an Arche ECS world to JSON.
13	func Serialize(world *ecs.World) ([]byte, error) {	2✔
14	builder := strings.Builder{}	2✔
15		2✔
16	builder.WriteString("{\"Components\" : [\n")	2✔
17		2✔
18	types := map[ecs.ID]reflect.Type{}	2✔
19	for i := 0; i < ecs.MaskTotalBits; i++ {	514✔
20	if tp, ok := ecs.ComponentType(world, ecs.ID(i)); ok {	514✔
21	types[ecs.ID(i)] = tp	2✔
22	}	2✔
23	}
24	maxComp := len(types) - 1	2✔
25	counter := 0	2✔
26	for _, tp := range types {	4✔
27	builder.WriteString(fmt.Sprintf(" \"%s\"", tp.String()))	2✔
28	if counter < maxComp {	3✔
29	builder.WriteString(",")	1✔
30	}	1✔
31	builder.WriteString("\n")	2✔
32	counter++	2✔
33	}
34
35	builder.WriteString("],\n\"Entities\" : [\n")	2✔
36	query := world.Query(ecs.All())	2✔
37	lastEntity := query.Count() - 1	2✔
38	counter = 0	2✔
39	for query.Next() {	4✔
40	builder.WriteString(" {\n")	2✔
41		2✔
42	ids := query.Ids()	2✔
43	last := len(ids) - 1	2✔
44	for i, id := range ids {	5✔
45	tp, _ := ecs.ComponentType(world, id)	3✔
46		3✔
47	comp := query.Get(id)	3✔
48	value := reflect.NewAt(tp, comp).Interface()	3✔
49	jsonData, err := json.Marshal(value)	3✔
50	if err != nil {	3✔
51	return nil, err	×
52	}	×
53	builder.WriteString(" ")	3✔
54	builder.WriteString(fmt.Sprintf("\"%s\" : ", tp.String()))	3✔
55	builder.WriteString(string(jsonData))	3✔
56	if i < last {	4✔
57	builder.WriteString(",")	1✔
58	}	1✔
59	builder.WriteString("\n")	3✔
60	}
61
62	builder.WriteString(" }")	2✔
63	if counter < lastEntity {	3✔
64	builder.WriteString(",")	1✔
65	}	1✔
66	builder.WriteString("\n")	2✔
67		2✔
68	counter++	2✔
69	}
70	builder.WriteString("],\n\"Resources\" : {\n")	2✔
71		2✔
72	resTypes := map[ecs.ResID]reflect.Type{}	2✔
73	for i := 0; i < ecs.MaskTotalBits; i++ {	514✔
74	if tp, ok := ecs.ResourceType(world, ecs.ResID(i)); ok {	513✔
75	resTypes[ecs.ResID(i)] = tp	1✔
76	}	1✔
77	}
78
79	last := len(resTypes) - 1	2✔
80	counter = 0	2✔
81	for id, tp := range resTypes {	3✔
82	res := world.Resources().Get(id)	1✔
83	rValue := reflect.ValueOf(res)	1✔
84	ptr := rValue.UnsafePointer()	1✔
85		1✔
86	value := reflect.NewAt(tp, ptr).Interface()	1✔
87	jsonData, err := json.Marshal(value)	1✔
88	if err != nil {	1✔
89	return nil, err	×
90	}	×
91
92	builder.WriteString(" ")	1✔
93	builder.WriteString(fmt.Sprintf("\"%s\" : ", tp.String()))	1✔
94	builder.WriteString(string(jsonData))	1✔
95		1✔
96	if counter < last {	1✔
97	builder.WriteString(",")	×
98	}	×
99	builder.WriteString("\n")	1✔
100	}
101
102	builder.WriteString("}}")	2✔
103		2✔
104	return []byte(builder.String()), nil	2✔
105	}

mlange-42 / arche-serde / 7479011048

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