knowyt/server/src/engine/engine.go

package engine

import (
	"fmt"
	"github.com/imkira/go-observer"
	"math/rand"
	"sirlab.de/go/knyt/syncdata"
	"time"
)

func NewEngine(id string) *Engine {
	engine := Engine{
		id:  id,
		obs: observer.NewProperty(syncdata.SyncData{}),
	}
	return &engine
}

func (engine *Engine) Run() {
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	for {
		value := engine.obs.Value().(syncdata.SyncData)
		fmt.Printf("game %s: %d\n", engine.id, value.VersionRef)
		wait := int(1 + r.Float32()*5)
		for i := 0; i < wait; i++ {
			time.Sleep(1 * time.Second)
		}
		value.VersionRef++
		engine.obs.Update(value)
	}
}