add mapobject/overlay support for signs

app/config.go

@@ -88,6 +88,7 @@ func ParseConfig(filename string) (*Config, error) {
 		TrainSignal:        true,
 		Minecart:           false,
 		Locator:            false,
+		Signs:              true,
 	}
 
 	mapblockaccessor := MapBlockAccessorConfig{

app/types.go

@@ -60,6 +60,7 @@ type MapObjectConfig struct {
 	TrainSignal        bool `json:"trainsignal"`
 	Minecart           bool `json:"minecart"`
 	Locator            bool `json:"locator"`
+	Signs              bool `json:"signs"`
 }
 
 type WebApiConfig struct {

mapobject/setup.go

@@ -162,5 +162,11 @@ func Setup(ctx *app.App) {
 		l.AddMapObject("locator:beacon_3", loc)
 	}
 
+	//signs
+	if ctx.Config.MapObjects.Signs {
+		l.AddMapObject("default:sign_wall_wood", &SignBlock{Material: "wood"})
+		l.AddMapObject("default:sign_wall_steel", &SignBlock{Material: "steel"})
+	}
+
 	ctx.MapBlockAccessor.Eventbus.AddListener(&l)
 }

mapobject/sign.go

@@ -0,0 +1,20 @@
+package mapobject
+
+import (
+	"mapserver/mapblockparser"
+	"mapserver/mapobjectdb"
+)
+
+type SignBlock struct {
+	Material string
+}
+
+func (this *SignBlock) 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, "sign")
+	o.Attributes["display_text"] = md["text"]
+	o.Attributes["material"] = this.Material
+
+	return o
+}

static/js/map/Overlaysetup.js

@@ -21,6 +21,7 @@ import LocatorOverlay from './overlays/LocatorOverlay.js';
 import BorderOverlay from './overlays/BorderOverlay.js';
 import TrainOverlay from './overlays/TrainOverlay.js';
 import TrainsignalOverlay from './overlays/TrainsignalOverlay.js';
+import SignOverlay from './overlays/SignOverlay.js';
 
 export default function(cfg, map, overlays, wsChannel){
 
@@ -191,4 +192,11 @@ export default function(cfg, map, overlays, wsChannel){
     }
   }
 
+  if (cfg.mapobjects.signs) {
+    overlays.Signs = new SignOverlay();
+    if (isDefault("signs")) {
+      map.addLayer(overlays.Signs);
+    }
+  }
+
 }

static/js/map/overlays/SignOverlay.js

@@ -0,0 +1,33 @@
+import AbstractIconOverlay from './AbstractIconOverlay.js';
+
+const IconWood = L.icon({
+  iconUrl: 'pics/default_sign_wood.png',
+  iconSize:     [16, 16],
+  iconAnchor:   [8, 8],
+  popupAnchor:  [0, -8]
+});
+
+const IconSteel = L.icon({
+  iconUrl: 'pics/default_sign_steel.png',
+  iconSize:     [16, 16],
+  iconAnchor:   [8, 8],
+  popupAnchor:  [0, -8]
+});
+
+export default AbstractIconOverlay.extend({
+  initialize: function() {
+    AbstractIconOverlay.prototype.initialize.call(this, "sign");
+  },
+
+  getIcon: function(obj) {
+    if (obj.attributes.material === "steel") {
+      return IconSteel;
+    } else {
+      return IconWood;
+    }
+  },
+
+  createPopup: function(sign) {
+    return sign.attributes.display_text;
+  }
+});