You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
89 lines
2.4 KiB
Go
89 lines
2.4 KiB
Go
package ent
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/jordanorelli/hyperstone/bit"
|
|
"github.com/jordanorelli/hyperstone/dota"
|
|
)
|
|
|
|
type tÿpe interface {
|
|
read(bit.Reader) (value, error)
|
|
}
|
|
|
|
type typeFn func(bit.Reader) (value, error)
|
|
|
|
func (fn typeFn) read(r bit.Reader) (value, error) { return fn(r) }
|
|
|
|
type typeParseFn func(*typeSpec, *Env) tÿpe
|
|
|
|
func parseFieldType(flat *dota.ProtoFlattenedSerializerFieldT, env *Env) tÿpe {
|
|
spec := new(typeSpec)
|
|
spec.fromProto(flat, env)
|
|
return parseTypeSpec(spec, env)
|
|
}
|
|
|
|
func parseTypeSpec(spec *typeSpec, env *Env) tÿpe {
|
|
coalesce := func(fns ...typeParseFn) tÿpe {
|
|
for _, fn := range fns {
|
|
if t := fn(spec, env); t != nil {
|
|
return t
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
return coalesce(arrayType, atomType, floatType, handleType, qAngleType,
|
|
hSeqType, genericType, vectorType, classType)
|
|
}
|
|
|
|
// a type error is both an error and a type. It represents a type that we were
|
|
// unable to correctly parse. It can be interpreted as an error or as a type;
|
|
// when interpreted as a type, it errors every time it tries to read a value.
|
|
func typeError(t string, args ...interface{}) tÿpe {
|
|
Debug.Printf(" type error: %s", fmt.Sprintf(t, args...))
|
|
return error_t(fmt.Sprintf(t, args...))
|
|
}
|
|
|
|
type error_t string
|
|
|
|
func (e error_t) Error() string { return string(e) }
|
|
func (e error_t) read(r bit.Reader) (value, error) {
|
|
return nil, fmt.Errorf("type error: %s", string(e))
|
|
}
|
|
|
|
type typeSpec struct {
|
|
name string
|
|
typeName string
|
|
bits uint
|
|
low float32
|
|
high float32
|
|
flags int
|
|
serializer string
|
|
serializerV int
|
|
send string
|
|
encoder string
|
|
}
|
|
|
|
func (s *typeSpec) fromProto(flat *dota.ProtoFlattenedSerializerFieldT, env *Env) {
|
|
s.name = env.symbol(int(flat.GetVarNameSym()))
|
|
s.typeName = env.symbol(int(flat.GetVarTypeSym()))
|
|
if flat.GetBitCount() < 0 {
|
|
// this would cause ridiculously long reads later if we let it overflow
|
|
panic("negative bit count: data is likely corrupt")
|
|
}
|
|
s.bits = uint(flat.GetBitCount())
|
|
s.low = flat.GetLowValue()
|
|
s.high = flat.GetHighValue()
|
|
s.flags = int(flat.GetEncodeFlags())
|
|
if flat.FieldSerializerNameSym != nil {
|
|
s.serializer = env.symbol(int(*flat.FieldSerializerNameSym))
|
|
}
|
|
s.serializerV = int(flat.GetFieldSerializerVersion())
|
|
if flat.SendNodeSym != nil {
|
|
s.send = env.symbol(int(*flat.SendNodeSym))
|
|
}
|
|
if flat.VarEncoderSym != nil {
|
|
s.encoder = env.symbol(int(*flat.VarEncoderSym))
|
|
}
|
|
}
|