scripting: don't need $$reset (i think?)

src/common/script/lib/io.ts

@@ -25,7 +25,6 @@ export function $$loadData(data: {}) {
 // object that can load state from backing store
 export interface Loadable {
     // called during script, from io.data.load()
-    $$reset() : void;
     $$setstate?(newstate: {}) : void;
     // called after script, from io.data.save()
     $$getstate() : {};
@@ -39,9 +38,8 @@ export namespace data {
             object.$$setstate(override);
         } else if (override) {
             Object.assign(object, override);
-        } else if (object.$$reset) {
-            object.$$reset();
-            data.save(object, key);
+        } else if (object.$$getstate) {
+            save(object, key); // $$reset not needed
         }
         return object;
     }
@@ -155,9 +153,6 @@ export class InteractionRecord implements Loadable {
         private $$callback
     ) {
     }
-    $$reset() {
-        this.$$setstate({interactid: ++$$seq})
-    }
     $$setstate(newstate: {interactid: number}) {
         this.interactid = newstate.interactid;
         this.interacttarget.$$interact = this;
@@ -193,9 +188,8 @@ export function interact(object: any, callback) : InteractionRecord {
 // TODO: what if this isn't top level?
 export class Mutable<T> implements Loadable {
     value : T;
-    constructor(public readonly initial : T) { }
-    $$reset() {
-        this.value = this.initial;
+    constructor(public readonly initial : T) {
+        this.value = initial;
     }
     $$setstate(newstate) {
         this.value = newstate.value;

src/common/script/lib/scriptui.ts

@@ -13,18 +13,16 @@ export class ScriptUISliderType implements ScriptUIType {
         readonly max: number,
         readonly step: number
     ) {
+        this.value = min;
     }
 }
 
 export class ScriptUISlider extends ScriptUISliderType implements io.Loadable {
     initvalue: number;
     initial(value: number) {
-        this.initvalue = value;
+        this.value = value;
         return this;
     }
-    $$reset() {
-        this.value = this.initvalue != null ? this.initvalue : this.min;
-    }
     $$getstate() {
         return { value: this.value };
     }
@@ -39,23 +37,21 @@ export function slider(min: number, max: number, step?: number) {
 export class ScriptUISelectType<T> implements ScriptUIType {
     readonly uitype = 'select';
     value: T;
-    index: number = -1;
+    index: number;
     constructor(
         readonly options: T[]
     ) {
+        this.value = null;
+        this.index = -1;
     }
 }
 
 export class ScriptUISelect<T> extends ScriptUISelectType<T> implements io.Loadable {
-    initindex : number;
     initial(index: number) {
-        this.initindex = index;
+        this.index = index;
+        this.value = this.options[index];
         return this;
     }
-    $$reset() {
-        this.index = this.initindex >= 0 ? this.initindex : -1;
-        this.value = null;
-    }
     $$getstate() {
         return { value: this.value, index: this.index };
     }