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movement.go
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/
movement.go
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package movement
import (
"encoding/json"
"github.com/dayaftereh/discover/server/api/connection"
"github.com/dayaftereh/discover/server/api/connection/dispatch/handler"
types "github.com/dayaftereh/discover/server/api/types/connection"
"github.com/pkg/errors"
)
type movementHandler struct {
backend Backend
}
func NewHandler(backend Backend) handler.Handler {
return &movementHandler{
backend: backend,
}
}
func (handler *movementHandler) MessageType() types.MessageType {
return types.Move
}
func (handler *movementHandler) Handler() connection.Function {
return func(connection *connection.Connection, content string) error {
// convert to bytes
data := []byte(content)
// Unmarshal movement message
var movement types.Movement
err := json.Unmarshal(data, &movement)
if err != nil {
return errors.Wrapf(err, "fail to unmarshal movement message")
}
// emit via backend
handler.backend.Movement(connection.Player, movement.Move, movement.Rotation)
return nil
}
}