7 "github.com/anon55555/mt"
12 ErrInvalidSerializeVer = errors.New("invalid serialize version")
13 ErrInvalidContentWidth = errors.New("invalid content width")
14 ErrInvalidParamsWidth = errors.New("invalid params width")
15 ErrInvalidNodeMetaVer = errors.New("invalid node meta version")
16 ErrInvalidNameIdMapVer = errors.New("invalid name id mapping version")
17 ErrInvalidStaticObjVer = errors.New("invalid static object version")
20 func Deserialize(r io.Reader, idNameMap map[string]mt.Content) *MapBlk {
24 if err := binary.Read(r, binary.BigEndian, &ver); err != nil {
28 if ver != SerializeVer {
29 panic(ErrInvalidSerializeVer)
32 if err := binary.Read(r, binary.BigEndian, &blk.Flags); err != nil {
36 if err := binary.Read(r, binary.BigEndian, &blk.LightingComplete); err != nil {
40 var contentWidth uint8
41 if err := binary.Read(r, binary.BigEndian, &contentWidth); err != nil {
45 if contentWidth != ContentWidth {
46 panic(ErrInvalidContentWidth)
50 if err := binary.Read(r, binary.BigEndian, ¶msWidth); err != nil {
54 if paramsWidth != ParamsWidth {
55 panic(ErrInvalidParamsWidth)
59 r, err := zlib.NewReader(r)
64 if err := binary.Read(r, binary.BigEndian, &blk.Param0); err != nil {
68 if _, err := io.Copy(io.Discard, r); err != nil {
72 if err := r.Close(); err != nil {
77 blk.NodeMetas = make(map[uint16]*mt.NodeMeta)
79 r, err := zlib.NewReader(r)
85 if err := binary.Read(r, binary.BigEndian, &version); err != nil {
90 if version != NodeMetaVer {
91 panic(ErrInvalidNodeMetaVer)
95 if err := binary.Read(r, binary.BigEndian, &count); err != nil {
99 for i := uint16(0); i < count; i++ {
101 if err := binary.Read(r, binary.BigEndian, &pos); err != nil {
106 if err := binary.Read(r, binary.BigEndian, &num); err != nil {
110 var data = &mt.NodeMeta{}
111 data.Fields = make([]mt.NodeMetaField, 0)
112 for j := uint32(0); j < num; j++ {
113 var field mt.NodeMetaField
116 if err := binary.Read(r, binary.BigEndian, &lenName); err != nil {
120 var name = make([]byte, lenName)
121 if err := binary.Read(r, binary.BigEndian, &name); err != nil {
124 field.Name = string(name)
127 if err := binary.Read(r, binary.BigEndian, &lenValue); err != nil {
131 var value = make([]byte, lenValue)
132 if err := binary.Read(r, binary.BigEndian, &value); err != nil {
135 field.Value = string(value)
137 if err := binary.Read(r, binary.BigEndian, &field.Private); err != nil {
141 data.Fields = append(data.Fields, field)
144 if err := data.Inv.Deserialize(r); err != nil {
148 blk.NodeMetas[pos] = data
152 if _, err := io.Copy(io.Discard, r); err != nil {
156 if err := r.Close(); err != nil {
161 var staticObjVer uint8
162 if err := binary.Read(r, binary.BigEndian, &staticObjVer); err != nil {
166 if staticObjVer != StaticObjVer {
167 panic(ErrInvalidStaticObjVer)
170 var staticObjCount uint16
171 if err := binary.Read(r, binary.BigEndian, &staticObjCount); err != nil {
175 blk.StaticObjs = make([]StaticObj, 0)
176 for i := uint16(0); i < staticObjCount; i++ {
179 if err := binary.Read(r, binary.BigEndian, &obj.Type); err != nil {
184 if err := binary.Read(r, binary.BigEndian, &pos); err != nil {
188 obj.Pos = [3]float32{
189 float32(pos[0]) / 1000.0,
190 float32(pos[1]) / 1000.0,
191 float32(pos[2]) / 1000.0,
195 if err := binary.Read(r, binary.BigEndian, &dataLen); err != nil {
199 var data = make([]byte, dataLen)
200 if err := binary.Read(r, binary.BigEndian, &data); err != nil {
204 obj.Data = string(data)
206 blk.StaticObjs = append(blk.StaticObjs, obj)
209 if err := binary.Read(r, binary.BigEndian, &blk.Timestamp); err != nil {
213 var nameIdMapVer uint8
214 if err := binary.Read(r, binary.BigEndian, &nameIdMapVer); err != nil {
218 if nameIdMapVer != NameIdMapVer {
219 panic(ErrInvalidNameIdMapVer)
222 var nameIdMapCount uint16
223 if err := binary.Read(r, binary.BigEndian, &nameIdMapCount); err != nil {
227 var nameIdMap = make(map[mt.Content]string)
229 for i := uint16(0); i < nameIdMapCount; i++ {
231 if err := binary.Read(r, binary.BigEndian, &id); err != nil {
236 if err := binary.Read(r, binary.BigEndian, &nameLen); err != nil {
240 var name = make([]byte, nameLen)
241 if err := binary.Read(r, binary.BigEndian, &name); err != nil {
245 nameIdMap[id] = string(name)
248 for i := 0; i < 4096; i++ {
251 name, ok := nameIdMap[id]
264 id, ok = idNameMap[name]