diff --git a/server/app/app.go b/server/app/app.go
index 602abdc..eb68804 100644
--- a/server/app/app.go
+++ b/server/app/app.go
@@ -3,6 +3,7 @@ package app
 import (
 	"mapserver/colormapping"
 	"mapserver/db"
+	"mapserver/eventbus"
 	"mapserver/mapblockaccessor"
 	"mapserver/mapblockrenderer"
 	"mapserver/mapobjectdb"
@@ -27,4 +28,6 @@ type App struct {
 	Colormapping     *colormapping.ColorMapping
 	Mapblockrenderer *mapblockrenderer.MapBlockRenderer
 	Tilerenderer     *tilerenderer.TileRenderer
+
+	WebEventbus *eventbus.Eventbus
 }
diff --git a/server/app/setup.go b/server/app/setup.go
index c8639c6..6f72698 100644
--- a/server/app/setup.go
+++ b/server/app/setup.go
@@ -3,6 +3,7 @@ package app
 import (
 	"mapserver/colormapping"
 	"mapserver/db"
+	"mapserver/eventbus"
 	"mapserver/mapblockaccessor"
 	"mapserver/mapblockrenderer"
 	"mapserver/mapobjectdb"
@@ -19,6 +20,7 @@ func Setup(p params.ParamsType, cfg *Config) (*App, error) {
 	a := App{}
 	a.Params = p
 	a.Config = cfg
+	a.WebEventbus = eventbus.New()
 
 	//Parse world config
 	a.Worldconfig = worldconfig.Parse("world.mt")
@@ -37,7 +39,6 @@ func Setup(p params.ParamsType, cfg *Config) (*App, error) {
 	}
 
 	//migrate block db
-
 	err = a.Blockdb.Migrate()
 	if err != nil {
 		return nil, err
@@ -47,7 +48,6 @@ func Setup(p params.ParamsType, cfg *Config) (*App, error) {
 	a.BlockAccessor = mapblockaccessor.NewMapBlockAccessor(a.Blockdb)
 
 	//color mapping
-
 	a.Colormapping = colormapping.NewColorMapping()
 	err = a.Colormapping.LoadVFSColors(false, "/colors.txt")
 	if err != nil {
@@ -58,7 +58,6 @@ func Setup(p params.ParamsType, cfg *Config) (*App, error) {
 	a.Mapblockrenderer = mapblockrenderer.NewMapBlockRenderer(a.BlockAccessor, a.Colormapping)
 
 	//tile database
-
 	a.Objectdb, err = mapobjectdb.NewSqliteAccessor("mapserver.sqlite")
 
 	if err != nil {
@@ -66,7 +65,6 @@ func Setup(p params.ParamsType, cfg *Config) (*App, error) {
 	}
 
 	//migrate tile database
-
 	err = a.Objectdb.Migrate()
 
 	if err != nil {
diff --git a/server/eventbus/eventbus.go b/server/eventbus/eventbus.go
index 4c07f88..0cb1501 100644
--- a/server/eventbus/eventbus.go
+++ b/server/eventbus/eventbus.go
@@ -5,6 +5,7 @@ import (
 )
 
 const (
+	//TODO: move to separate package
 	MAPBLOCK_RENDERED = "mapblock-rendered"
 	TILE_RENDERED     = "rendered-tile"
 )
diff --git a/server/mapblockparser/mapblock.go b/server/mapblockparser/mapblock.go
index b46c1bd..bbac670 100644
--- a/server/mapblockparser/mapblock.go
+++ b/server/mapblockparser/mapblock.go
@@ -47,7 +47,7 @@ func (mb *MapBlock) GetNodeId(x, y, z int) int {
 }
 
 func (mb *MapBlock) GetNodeName(x, y, z int) string {
-	id := mb.GetNodeId(x,y,z)
+	id := mb.GetNodeId(x, y, z)
 	return mb.BlockMapping[id]
 }
 
diff --git a/server/mapobject/poi.go b/server/mapobject/poi.go
index 4addfab..603fa99 100644
--- a/server/mapobject/poi.go
+++ b/server/mapobject/poi.go
@@ -5,9 +5,9 @@ import (
 	"mapserver/mapobjectdb"
 )
 
-type PoiBlock struct {}
+type PoiBlock struct{}
 
-func (this *PoiBlock) onMapObject(x,y,z int, block *mapblockparser.MapBlock, odb mapobjectdb.DBAccessor) {
+func (this *PoiBlock) onMapObject(x, y, z int, block *mapblockparser.MapBlock) *mapobjectdb.MapObject {
 	md := block.Metadata.GetMetadata(x, y, z)
 
 	o := mapobjectdb.NewMapObject(&block.Pos, x, y, z, "poi")
@@ -17,5 +17,5 @@ func (this *PoiBlock) onMapObject(x,y,z int, block *mapblockparser.MapBlock, odb
 	o.Attributes["active"] = md["active"]
 	o.Attributes["owner"] = md["owner"]
 
-	odb.AddMapData(o)
+	return o
 }
diff --git a/server/mapobject/protector.go b/server/mapobject/protector.go
index f687cf4..a876681 100644
--- a/server/mapobject/protector.go
+++ b/server/mapobject/protector.go
@@ -5,13 +5,13 @@ import (
 	"mapserver/mapobjectdb"
 )
 
-type ProtectorBlock struct {}
+type ProtectorBlock struct{}
 
-func (this *ProtectorBlock) onMapObject(x,y,z int, block *mapblockparser.MapBlock, odb mapobjectdb.DBAccessor) {
+func (this *ProtectorBlock) onMapObject(x, y, z int, block *mapblockparser.MapBlock) *mapobjectdb.MapObject {
 	md := block.Metadata.GetMetadata(x, y, z)
 
 	o := mapobjectdb.NewMapObject(&block.Pos, x, y, z, "protector")
 	o.Attributes["owner"] = md["owner"]
 
-	odb.AddMapData(o)
+	return o
 }
diff --git a/server/mapobject/setup.go b/server/mapobject/setup.go
index 9706068..17d6749 100644
--- a/server/mapobject/setup.go
+++ b/server/mapobject/setup.go
@@ -8,15 +8,15 @@ import (
 )
 
 type MapObjectListener interface {
-	onMapObject(x,y,z int, block *mapblockparser.MapBlock, odb mapobjectdb.DBAccessor)
+	onMapObject(x, y, z int, block *mapblockparser.MapBlock) *mapobjectdb.MapObject
 }
 
 type Listener struct {
-	ctx *app.App
+	ctx             *app.App
 	objectlisteners map[string]MapObjectListener
 }
 
-func (this *Listener) AddMapObject(blockname string, ol MapObjectListener){
+func (this *Listener) AddMapObject(blockname string, ol MapObjectListener) {
 	this.objectlisteners[blockname] = ol
 }
 
@@ -42,20 +42,25 @@ func (this *Listener) OnEvent(eventtype string, o interface{}) {
 						for z := 0; z < 16; z++ {
 							nodeid := block.GetNodeId(x, y, z)
 							if nodeid == id {
-								v.onMapObject(x, y, z, block, this.ctx.Objectdb)
+								obj := v.onMapObject(x, y, z, block)
+
+								if obj != nil {
+									this.ctx.Objectdb.AddMapData(obj)
+									this.ctx.WebEventbus.Emit("mapobject", obj)
+								}
 							}
-						}//z
-					}//y
-				}//x
+						} //z
+					} //y
+				} //x
 
 			}
-		}//for k,v
-	}//for id, name
+		} //for k,v
+	} //for id, name
 }
 
 func Setup(ctx *app.App) {
 	l := Listener{
-		ctx: ctx,
+		ctx:             ctx,
 		objectlisteners: make(map[string]MapObjectListener),
 	}
 
diff --git a/server/mapobject/train.go b/server/mapobject/train.go
index 00f67e3..49de508 100644
--- a/server/mapobject/train.go
+++ b/server/mapobject/train.go
@@ -5,9 +5,9 @@ import (
 	"mapserver/mapobjectdb"
 )
 
-type TrainBlock struct {}
+type TrainBlock struct{}
 
-func (this *TrainBlock) onMapObject(x,y,z int, block *mapblockparser.MapBlock, odb mapobjectdb.DBAccessor) {
+func (this *TrainBlock) onMapObject(x, y, z int, block *mapblockparser.MapBlock) *mapobjectdb.MapObject {
 	md := block.Metadata.GetMetadata(x, y, z)
 
 	o := mapobjectdb.NewMapObject(&block.Pos, x, y, z, "train")
@@ -16,5 +16,5 @@ func (this *TrainBlock) onMapObject(x,y,z int, block *mapblockparser.MapBlock, o
 	o.Attributes["index"] = md["index"]
 	o.Attributes["owner"] = md["owner"]
 
-	odb.AddMapData(o)
+	return o
 }
diff --git a/server/mapobject/travelnet.go b/server/mapobject/travelnet.go
index eb3a37b..4ddbcbf 100644
--- a/server/mapobject/travelnet.go
+++ b/server/mapobject/travelnet.go
@@ -5,14 +5,14 @@ import (
 	"mapserver/mapobjectdb"
 )
 
-type TravelnetBlock struct {}
+type TravelnetBlock struct{}
 
-func (this *TravelnetBlock) onMapObject(x,y,z int, block *mapblockparser.MapBlock, odb mapobjectdb.DBAccessor) {
+func (this *TravelnetBlock) onMapObject(x, y, z int, block *mapblockparser.MapBlock) *mapobjectdb.MapObject {
 	md := block.Metadata.GetMetadata(x, y, z)
 
 	if md["station_name"] == "" || md["owner"] == "" {
 		//station not set up
-		return
+		return nil
 	}
 
 	o := mapobjectdb.NewMapObject(&block.Pos, x, y, z, "travelnet")
@@ -20,5 +20,5 @@ func (this *TravelnetBlock) onMapObject(x,y,z int, block *mapblockparser.MapBloc
 	o.Attributes["station_name"] = md["station_name"]
 	o.Attributes["station_network"] = md["station_network"]
 
-	odb.AddMapData(o)
+	return o
 }
diff --git a/server/web/serve.go b/server/web/serve.go
index 1495ab7..1d64781 100644
--- a/server/web/serve.go
+++ b/server/web/serve.go
@@ -26,6 +26,7 @@ func Serve(ctx *app.App) {
 	mux.Handle("/api/ws", ws)
 
 	ctx.Tilerenderer.Eventbus.AddListener(ws)
+	ctx.WebEventbus.AddListener(ws)
 
 	if ctx.Config.WebApi.EnableMapblock {
 		//mapblock endpoint