diff --git a/scripts/base.js b/scripts/base.js
index 5e92b14..2e942f2 100644
--- a/scripts/base.js
+++ b/scripts/base.js
@@ -240,22 +240,19 @@ Object.defineProperty(Object.prototype, 'push', {
     var str = val.toString();
     str = str.replaceAll('.', '_');
     var n = 1;
-    var t = str + n;
+    var t = str;
     while (Object.hasOwn(this,t)) {
-      n++;
       t = str + n;
+      n++;      
     }
     this[t] = val;
-    return val;
+    return t;
   }
 });
 
 Object.defineProperty(Object.prototype, 'remove', {
   value: function(val) {
-    for (var e of this.entries()) {
-      if (e.value === val)
-        delete this[e.key]
-    }
+    delete this[val.toString()];
   }
 });
 
@@ -385,7 +382,10 @@ Object.defineProperty(String.prototype, 'dir', {
 
 Object.defineProperty(String.prototype, 'updir', {
   value: function() {
-    var dir = this.dir();
+    if (this.lastIndexOf('/') === this.length-1)
+      return this.slice(0,this.length-1);
+    
+    var dir = (this + "/").dir();
     return dir.dir();
   }
 });
@@ -521,10 +521,8 @@ function add(x,y) { return x+y; };
 function mult(x,y) { return x*y; };
 
 Object.defineProperty(Array.prototype, 'mapc', {
-  value: function(fn, arr) {
-      return this.map(function(x, i) {
-        return fn(x, arr[i]);
-      });
+  value: function(fn) {
+    return this.map(x => fn(x));
   }
 });
 
@@ -671,7 +669,7 @@ Math.lerp = function(s,f,t) { return (f-s)*t + s; };
 
 Number.prec = function(num)
 {
-  return num.toPrecision(3)/1;
+  return parseFloat(num.toFixed(2));
 }
 
 Object.defineProperty(Object.prototype, 'lerp',{
diff --git a/scripts/components.js b/scripts/components.js
index 502e48d..00398a1 100644
--- a/scripts/components.js
+++ b/scripts/components.js
@@ -47,10 +47,11 @@ var component = {
 
     var res = this.gameobject.ur.toString();
     res = res.replaceAll('.', '/');
-    if (!path.startsWith(res))
-      return path;
-
-    return path.replace(res, "").slice(1);
+    var dir = path.dir();
+    if (res.startsWith(dir))
+      return path.base();
+    
+    return path;
   },
 };
 
@@ -72,8 +73,7 @@ component.sprite = {
 
 component.sprite.maker = Object.copy(component, {
   set path(x) {
-    x = this.resani(x);
-    cmd(12,this.id,x,this.rect);
+    cmd(12,this.id,this.resani(x),this.rect);
   },
   get path() {
     return this.resavi(cmd(116,this.id));
diff --git a/scripts/editor.js b/scripts/editor.js
index a21478b..b618208 100644
--- a/scripts/editor.js
+++ b/scripts/editor.js
@@ -420,9 +420,9 @@ var editor = {
       else
         x.dirty = false;
       if (x.dirty) sname += "*";
-      GUI.text(sname, world2screen(x.pos).add([0, 16]), 1, lvlcolor);
-      GUI.text(x.pos.map(function(x) { return Math.round(x); }), world2screen(x.pos), 1, Color.white);
-      Debug.arrow(world2screen(x.pos), world2screen(x.pos.add(x.up().scale(40))), Color.yellow, 1);
+      GUI.text(sname, world2screen(x.worldpos).add([0, 16]), 1, lvlcolor);
+      GUI.text(x.worldpos.map(function(x) { return Math.round(x); }), world2screen(x.worldpos), 1, Color.white);
+      Debug.arrow(world2screen(x.worldpos), world2screen(x.worldpos.add(x.up().scale(40))), Color.yellow, 1);
 
       if ('gizmo' in x && typeof x['gizmo'] === 'function' )
         x.gizmo();
@@ -431,12 +431,12 @@ var editor = {
     if (this.selectlist.length === 0)
       for (var key in this.edit_level.objects) {
         var o = this.edit_level.objects[key];
-        GUI.text(key, world2screen(o.pos), 1, lvlcolor);
+        GUI.text(key, world2screen(o.worldpos), 1, lvlcolor);
       }
     else
       this.selectlist.forEach(function(x) {
         Object.entries(x.objects).forEach(function(x) {
-	  GUI.text(x[0], world2screen(x[1].pos), 1, lvlcolor);
+	  GUI.text(x[0], world2screen(x[1].worldpos), 1, lvlcolor);
 	});
       });
     
@@ -450,7 +450,7 @@ var editor = {
       for (var key in this.selectlist[0].components) {
         var selected = this.sel_comp === this.selectlist[0].components[key];
         var str = (selected ? ">" : " ") + key + " [" + this.selectlist[0].components[key].name + "]";
-        GUI.text(str, world2screen(this.selectlist[0].pos).add([0,-16*(i++)]));
+        GUI.text(str, world2screen(this.selectlist[0].worldpos).add([0,-16*(i++)]));
       }
 
       if (this.sel_comp) {
@@ -460,7 +460,7 @@ var editor = {
 
     editor.edit_level.objects.forEach(function(obj) {
       if (!obj.selectable)
-        GUI.image("icons/icons8-lock-16.png", world2screen(obj.pos));
+        GUI.image("icons/icons8-lock-16.png", world2screen(obj.worldpos));
     });
 
     Debug.draw_grid(1, editor_config.grid_size, Color.Editor.grid.alpha(0.3));
@@ -686,8 +686,8 @@ editor.inputs['C-F'] = function() {
   editor.edit_level = editor.edit_level.level;
   editor.unselect();
   editor.reset_undos();
-  editor.curlvl = editor.edit_level.save();
-  editor.edit_level.check_dirty();
+//  editor.curlvl = editor.edit_level.save();
+//  editor.edit_level.check_dirty();
 };
 editor.inputs['C-F'].doc = "Tunnel out of the level you are editing, saving it in the process.";
 
@@ -696,7 +696,7 @@ editor.inputs['C-r'].doc = "Negate the selected's angle.";
 
 editor.inputs.r = function() {
   if (editor.sel_comp && 'angle' in editor.sel_comp) {
-    var relpos = Mouse.worldpos.sub(editor.sel_comp.gameobject.pos);
+    var relpos = Mouse.worldpos.sub(editor.sel_comp.gameobject.worldpos);
     editor.startoffset = Math.atan2(relpos.y, relpos.x);
     editor.startrot = editor.sel_comp.angle;
 
@@ -774,34 +774,18 @@ editor.inputs.escape.doc = "Quit editor.";
 
 editor.inputs['C-s'] = function() {
   if (editor.selectlist.length === 0) {
-    saveaspanel.stem = editor.edit_level.toString();
+    saveaspanel.stem = editor.edit_level.ur.toString();
     saveaspanel.obj = editor.edit_level;
     editor.openpanel(saveaspanel);
     return;
   };
+  
   if (editor.selectlist.length !== 1 || !editor.selectlist[0].dirty) return;
-  Log.warn(JSON.stringify(editor.selectlist[0],null,1));
-  Log.warn(JSON.stringify(editor.selectlist[0].ur,null,1));  
-  Object.merge(editor.selectlist[0].ur, editor.selectlist[0].json_obj());
-  Log.warn(JSON.stringify(editor.selectlist[0].ur,null,1));
-  var path = editor.selectlist[0].toString();
+  Object.merge(editor.selectlist[0].ur_obj(), editor.selectlist[0].level_obj());
+  var path = editor.selectlist[0].ur.toString();
   path = path.replaceAll('.','/');
   path = path + "/" + path.name() + ".json";
   IO.slurpwrite(JSON.stringify(editor.selectlist[0].ur,null,1), path);
-  return;
-
-  if (editor.edit_level.level) {
-    if (!editor.edit_level.unique)
-      editor.save_current();
-
-    editor.selectlist = [];
-    editor.selectlist.push(editor.edit_level);
-    editor.edit_level = editor.edit_level.level;
-
-    return;
-  }
-
-  editor.save_current();
 };
 editor.inputs['C-s'].doc = "Save selected.";
 
@@ -907,6 +891,7 @@ editor.inputs.lm.doc = "Selection box.";
 
 editor.inputs.lm.released = function() {
     Mouse.normal();
+    editor.unselect();
 
     if (!editor.sel_start) return; 
     
diff --git a/scripts/engine.js b/scripts/engine.js
index 09fc9fa..6af862f 100644
--- a/scripts/engine.js
+++ b/scripts/engine.js
@@ -538,52 +538,6 @@ function Color(from) {
 };
 */
 
-var ur_json = function()
-{
-  function objdiff(from, to) {
-    if (!to) return from; // Everything on from is unique
-
-    var ret = {};
-    
-    for (var key in from) {
-      if (typeof from[key] === 'undefined' || typeof to[key] === 'undefined') continue;
-      if (typeof from[key] === 'function') continue;
-      if (typeof to === 'object' && !(key in to)) continue;
-
-      if (Array.isArray(from[key])) {
-	if (!Array.isArray(to[key]))
-	  ret[key] = from[key].slice();
-
-	if (from[key].length !== to[key].length)
-	  ret[key] = from[key].slice();
-
-	var diff = objdiff(from[key], to[key]);
-	if (diff && !diff.empty)
-	  ret[key] = from[key];
-
-        continue;
-      }
-
-      if (typeof from[key] === 'object') {
-        if (key === 'points') Log.warn("POINTS");
-	var diff = objdiff(from[key], to[key]);
-	if (diff && !diff.empty)
-            ret[key] = diff;	
-	continue;
-      }
-      
-      if (from[key] !== to[key])
-	ret[key] = from[key];
-    }
-    if (ret.empty) return undefined;
-    return ret;
-  }
-
-  var ur = objdiff(this,this.ur);
-  
-  return ur ? ur : {};
-}
-
 load("scripts/components.js");
 
 function find_com(objects)
diff --git a/scripts/entity.js b/scripts/entity.js
index 76cabe0..3923d81 100644
--- a/scripts/entity.js
+++ b/scripts/entity.js
@@ -61,20 +61,6 @@ var gameobject = {
     }
   },
 
-  set_relpos(x) {
-    if (!this.level) {
-      this.pos = x;
-      return;
-    }
-
-    this.pos = Vector.rotate(x, Math.deg2rad(this.level.angle)).add(this.level.pos);
-  },
-
-  get_relpos() {
-    var offset = this.pos.sub(this.level.pos);
-    return Vector.rotate(offset, -Math.deg2rad(this.level.angle));
-  },
-  
   get_relangle() {
     if (!this.level) return this.angle;
     return this.angle - this.level.angle;
@@ -146,8 +132,8 @@ var gameobject = {
 
 	this.objects.forEach(function(obj) {
 	  obj.scale *= pct;
-	  obj.set_relpos(obj.get_relpos().scale(pct));
-	}, this);      
+	  obj.pos = obj.pos.scale(pct);
+	});      
       },
 
       get flipx() { return cmd(104,this.body); },
@@ -156,8 +142,8 @@ var gameobject = {
         return;
 	this.objects.forEach(function(obj) {
 	  obj.flipx = !obj.flipx;
-	  var rp = obj.get_relpos();
-	  obj.pos = [-rp.x, rp.y].add(this.pos);
+	  var rp = obj.pos;
+	  obj.pos = [-rp.x, rp.y].add(this.worldpos);
 	  obj.angle = -obj.angle;
 	},this);	
       },
@@ -167,18 +153,25 @@ var gameobject = {
         cmd(56, this.body, x);
 	return;
 	this.objects.forEach(function(obj) {
-	  var rp = obj.get_relpos();
-	  obj.pos = [rp.x, -rp.y].add(this.pos);
+	  var rp = obj.pos;
+	  obj.pos = [rp.x, -rp.y].add(this.worldpos);
 	  obj.angle = -obj.angle;
 	},this);	
       },
       
       set pos(x) {
-        var diff = x.sub(this.pos);
-	this.objects.forEach(function(x) { x.pos = x.pos.add(diff); });
-        set_body(2,this.body,x);
+        this.worldpos = Vector.rotate(x, Math.deg2rad(this.level.angle)).add(this.level.worldpos); },
+      get pos() {
+        var offset = this.worldpos.sub(this.level.worldpos);
+	return Vector.rotate(offset, -Math.deg2rad(this.level.angle));
+      },
+
+      get worldpos() { return q_body(1,this.body); },
+      set worldpos(x) {
+        var diff = x.sub(this.worldpos);
+	this.objects.forEach(function(x) { x.worldpos = x.worldpos.add(diff); });
+	set_body(2,this.body,x);
       },
-      get pos() { return q_body(1,this.body); },
 
       get angle() { return Math.rad2deg(q_body(2,this.body))%360; },
       set angle(x) {
@@ -234,9 +227,13 @@ var gameobject = {
       spawn(ur) {
 	if (typeof ur === 'string')
 	  ur = prototypes.get_ur(ur);
-        if (!ur) Log.warn("Failed to make UR from " + ur);
-
-        return gameobject.make(ur, this);
+        if (!ur) {
+	  Log.warn("Failed to make UR from " + ur);
+	  return undefined;
+	}
+	
+	var go = gameobject.make(ur, this);
+        return go;
       },
 
       /* Bounding box of the object in world dimensions */
@@ -273,7 +270,52 @@ var gameobject = {
       },
 
       json_obj() {
-        return JSON.parse(JSON.stringify(this));
+	function objdiff(from, to) {
+	  var ret = {};
+
+	  for (var key in from) {
+	    if (typeof from[key] === 'undefined' || typeof to[key] === 'undefined') continue;
+	    if (typeof from[key] === 'function') continue;
+	    if (typeof to === 'object' && !(key in to)) continue;
+
+	    if (Array.isArray(from[key])) {
+	      if (!Array.isArray(to[key]))
+		ret[key] = Object.values(objdiff(from[key], []));
+
+	      if (from[key].length !== to[key].length)
+		ret[key] = Object.values(objdiff(from[key], []));
+
+	      var diff = objdiff(from[key], to[key]);
+	      if (diff && !diff.empty)
+		ret[key] = Object.values(diff);
+
+	      continue;
+	    }
+
+	    if (typeof from[key] === 'object') {
+	      var diff = objdiff(from[key], to[key]);
+	      if (diff && !diff.empty)
+		  ret[key] = diff;	
+	      continue;
+	    }
+
+	    if (typeof from[key] === 'number') {
+	      var a = Number.prec(from[key]);
+	      if (a !== to[key])
+		ret[key] = a;
+	      continue;
+	    }
+
+	    if (from[key] !== to[key])
+	      ret[key] = from[key];
+	  }
+	  if (ret.empty) return undefined;
+	  return ret;
+	}
+
+	var ur = objdiff(this,this.ur);
+
+        return ur ? ur : {};
       },
 
       transform_obj() {
@@ -286,10 +328,20 @@ var gameobject = {
         var json = this.json_obj();
 	Object.entries(this.objects).forEach(function(x) {
 	  json[x[0]] = x[1].transform_obj();
+	  Object.assign(json[x[0]], x[1].json_obj());
 	  json[x[0]].ur = x[1].ur.toString();
 	});
 	return json;
       },
+
+      ur_obj() {
+        var ur = this.json_obj();
+	for (var k in ur) 
+	  if (ur[k].ur)
+	    delete ur[k];
+
+	return ur;
+      },
       
       make_ur() {
         var thisur = this.json_obj();
@@ -300,13 +352,18 @@ var gameobject = {
 
       transform() {
         var t = {};
-	t.pos = this.get_relpos();
-	t.pos.x = Number.prec(t.pos.x);
-	t.pos.y = Number.prec(t.pos.y);
-	t.angle = Number.prec(this.get_relangle());
+	t.pos = this.pos.map(Number.prec);
+	t.angle = Number.prec(this.angle);
 	return t;
       },
 
+      phys_obj() {
+        var phys = {};
+	phys.velocity = this.velocity.map(Number.prec);
+	phys.angularvelocity = Number.prec(this.angularvelocity);
+	return phys;
+     },
+
       dup(diff) {
         var n = this.level.spawn(this.ur);
 	Object.totalmerge(n, this.make_ur());
@@ -322,14 +379,11 @@ var gameobject = {
 	Register.endofloop(() => {
 	  cmd(2, this.body);
 	  delete Game.objects[this.body];
-
-//	  if (this.level)
-//	    this.level.unregister(this);
+  	  this.level.remove_obj(this);
 
 	  Player.uncontrol(this);
 	  this.instances.remove(this);
 	  Register.unregister_obj(this);
-    //      Signal.clear_obj(this);
 
 	  this.body = -1;
 	  for (var key in this.components) {
@@ -343,13 +397,20 @@ var gameobject = {
 	});
       },
 
+   remove_obj(obj) {
+     delete this[obj.toString()];     
+     this.objects.remove(obj);
+   },
+
       up() { return [0,1].rotate(Math.deg2rad(this.angle));},
       down() { return [0,-1].rotate(Math.deg2rad(this.angle));},
       right() { return [1,0].rotate(Math.deg2rad(this.angle));},
       left() { return [-1,0].rotate(Math.deg2rad(this.angle));},
   reparent(parent) {
-    if (this.level === parent) return;
-    parent.objects.push(this);
+    if (this.level === parent)
+      this.level.remove_obj(this);
+    var name = parent.objects.push(this);
+    this.toString = function() { return name; };
     
     if (this.level)
       this.level.objects.remove(this);
@@ -384,7 +445,9 @@ var gameobject = {
       }
     };
 
+    var save_tostr = obj.toString;
     Object.totalmerge(obj,ur);
+    obj.toString = save_tostr;
     obj.objects.forEach(function(x) { x.pos = obj.pos.add(x.pos); });
     obj.components.forEach(function(x) { if ('sync' in x) x.sync(); });
     obj.check_registers(obj);
@@ -409,7 +472,7 @@ var gameobject = {
   },
 }
 
-gameobject.toJSON = ur_json;
+gameobject.toJSON = gameobject.level_obj;
 
 gameobject.ur = {
 //  pos: [0,0],
@@ -510,9 +573,9 @@ prototypes.list = [];
 
 prototypes.from_obj = function(name, obj)
 {
-  var newobj = Object.copy(gameobject.ur, obj);
-  prototypes.ur[name] = newobj;
-  newobj.toString = function() { return name; };
+  var newur = Object.copy(gameobject.ur, obj);
+  prototypes.ur[name] = newur;
+  newur.toString = function() { return name; };
   return prototypes.ur[name];
 }
 
diff --git a/source/engine/ffi.c b/source/engine/ffi.c
index d71f9f1..92f7883 100644
--- a/source/engine/ffi.c
+++ b/source/engine/ffi.c
@@ -967,6 +967,7 @@ JSValue duk_cmd(JSContext *js, JSValueConst this, int argc, JSValueConst *argv)
   case 102:
     eye = HMM_AddV3(eye,(HMM_Vec3){0,0,0.01});
     break;
+    
   case 103:
     return num2js(js2go(argv[1])->scale);
 
diff --git a/source/engine/texture.c b/source/engine/texture.c
index 8d81c47..d5ff364 100644
--- a/source/engine/texture.c
+++ b/source/engine/texture.c
@@ -27,7 +27,7 @@ static struct {
 struct Texture *tex_default;
 
 struct Texture *texture_notex() {
-  return texture_pullfromfile("icons/no_tex.png");
+  return texture_pullfromfile("icons/no_tex.gif");
 }
 
 unsigned int next_pow2(unsigned int v)
@@ -83,7 +83,12 @@ struct Texture *texture_pullfromfile(const char *path) {
   if (index != -1)
     return texhash[index].value;
 
-  YughInfo("Loading texture %s.", path);
+  long rawlen;
+  unsigned char *raw = slurp_file(path, &rawlen);
+  
+  if (!raw) return texture_notex();
+
+  unsigned char *data;
 
   struct Texture *tex = calloc(1, sizeof(*tex));
   tex->opts.sprite = 1;
@@ -94,10 +99,6 @@ struct Texture *texture_pullfromfile(const char *path) {
 
   int n;
 
-  long rawlen;
-  unsigned char *raw = slurp_file(path, &rawlen);
-  unsigned char *data;
-
   char *ext = strrchr(path, '.');
   
   if (!strcmp(ext, ".qoi")) {