Initial commit of simple worldbuilding system to standalone repo

module/actor-sheet.js

@@ -0,0 +1,141 @@
+/**
+ * Extend the basic ActorSheet with some very simple modifications
+ */
+export class SimpleActorSheet extends ActorSheet {
+  constructor(...args) {
+    super(...args);
+
+    /**
+     * Keep track of the currently active sheet tab
+     * @type {string}
+     */
+    this._sheetTab = "description";
+  }
+
+  /* -------------------------------------------- */
+
+  /**
+   * Extend and override the default options used by the 5e Actor Sheet
+   * @returns {Object}
+   */
+	static get defaultOptions() {
+	  return mergeObject(super.defaultOptions, {
+  	  classes: ["worldbuilding", "sheet", "actor"],
+  	  template: "public/systems/worldbuilding/templates/actor-sheet.html",
+      width: 600,
+      height: 600
+    });
+  }
+
+  /* -------------------------------------------- */
+
+  /**
+   * Prepare data for rendering the Actor sheet
+   * The prepared data object contains both the actor data as well as additional sheet options
+   */
+  getData() {
+    const data = super.getData();
+    data.dtypes = ["String", "Number", "Boolean"];
+    for ( let attr of Object.values(data.data.attributes) ) {
+      attr.isCheckbox = attr.dtype === "Boolean";
+    }
+    return data;
+  }
+
+  /* -------------------------------------------- */
+
+  /**
+   * Activate event listeners using the prepared sheet HTML
+   * @param html {HTML}   The prepared HTML object ready to be rendered into the DOM
+   */
+	activateListeners(html) {
+    super.activateListeners(html);
+
+    // Activate tabs
+    let tabs = html.find('.tabs');
+    let initial = this._sheetTab;
+    new Tabs(tabs, {
+      initial: initial,
+      callback: clicked => this._sheetTab = clicked.data("tab")
+    });
+
+    // Everything below here is only needed if the sheet is editable
+    if (!this.options.editable) return;
+
+    // Update Inventory Item
+    html.find('.item-edit').click(ev => {
+      const li = $(ev.currentTarget).parents(".item");
+      const item = this.actor.getOwnedItem(li.data("itemId"));
+      item.sheet.render(true);
+    });
+
+    // Delete Inventory Item
+    html.find('.item-delete').click(ev => {
+      const li = $(ev.currentTarget).parents(".item");
+      this.actor.deleteOwnedItem(li.data("itemId"));
+      li.slideUp(200, () => this.render(false));
+    });
+
+    // Add or Remove Attribute
+    html.find(".attributes").on("click", ".attribute-control", this._onClickAttributeControl.bind(this));
+  }
+
+  /* -------------------------------------------- */
+
+  async _onClickAttributeControl(event) {
+    event.preventDefault();
+    const a = event.currentTarget;
+    const action = a.dataset.action;
+    const attrs = this.object.data.data.attributes;
+    const form = this.form;
+
+    // Add new attribute
+    if ( action === "create" ) {
+      const nk = Object.keys(attrs).length + 1;
+      let newKey = document.createElement("div");
+      newKey.innerHTML = `<input type="text" name="data.attributes.attr${nk}.key" value="attr${nk}"/>`;
+      newKey = newKey.children[0];
+      form.appendChild(newKey);
+      await this._onSubmit(event);
+    }
+
+    // Remove existing attribute
+    else if ( action === "delete" ) {
+      const li = a.closest(".attribute");
+      li.parentElement.removeChild(li);
+      await this._onSubmit(event);
+    }
+  }
+
+  /* -------------------------------------------- */
+
+  /**
+   * Implement the _updateObject method as required by the parent class spec
+   * This defines how to update the subject of the form when the form is submitted
+   * @private
+   */
+  _updateObject(event, formData) {
+
+    // Handle the free-form attributes list
+    const formAttrs = expandObject(formData).data.attributes || {};
+    const attributes = Object.fromEntries(Object.entries(formAttrs).map(attr => {
+      let [k, v] = attr;
+      k = v["key"].trim();
+      delete v["key"];
+      return [k, v];
+    }));
+    
+    // Remove attributes which are no longer used
+    for ( let k of Object.keys(this.object.data.data.attributes) ) {
+      if ( !attributes.hasOwnProperty(k) ) attributes[`-=${k}`] = null;
+    }
+
+    // Re-combine formData
+    formData = Object.fromEntries(Object.entries(formData).filter(a => !a[0].startsWith("data.attributes")));
+    formData["_id"] = this.object._id;
+    formData["data.attributes"] = attributes;
+    
+    // Update the Actor
+    return this.object.update(formData);
+  }
+}

module/item-sheet.js

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+/**
+ * Extend the basic ItemSheet with some very simple modifications
+ */
+export class SimpleItemSheet extends ItemSheet {
+  constructor(...args) {
+    super(...args);
+
+    /**
+     * Keep track of the currently active sheet tab
+     * @type {string}
+     */
+    this._sheetTab = "description";
+  }
+
+  /**
+   * Extend and override the default options used by the Simple Item Sheet
+   * @returns {Object}
+   */
+	static get defaultOptions() {
+	  return mergeObject(super.defaultOptions, {
+			classes: ["worldbuilding", "sheet", "item"],
+			template: "public/systems/worldbuilding/templates/item-sheet.html",
+			width: 520,
+			height: 480,
+		});
+  }
+
+  /* -------------------------------------------- */
+
+  /**
+   * Prepare data for rendering the Item sheet
+   * The prepared data object contains both the actor data as well as additional sheet options
+   */
+  getData() {
+    const data = super.getData();
+    data.dtypes = ["String", "Number", "Boolean"];
+    for ( let attr of Object.values(data.data.attributes) ) {
+      attr.isCheckbox = attr.dtype === "Boolean";
+    }
+    return data;
+  }
+
+  /* -------------------------------------------- */
+
+  /**
+   * Activate event listeners using the prepared sheet HTML
+   * @param html {HTML}   The prepared HTML object ready to be rendered into the DOM
+   */
+	activateListeners(html) {
+    super.activateListeners(html);
+
+    // Activate tabs
+    let tabs = html.find('.tabs');
+    let initial = this._sheetTab;
+    new Tabs(tabs, {
+      initial: initial,
+      callback: clicked => this._sheetTab = clicked.data("tab")
+    });
+
+    // Everything below here is only needed if the sheet is editable
+    if (!this.options.editable) return;
+
+    // Add or Remove Attribute
+    html.find(".attributes").on("click", ".attribute-control", this._onClickAttributeControl.bind(this));
+  }
+
+  /* -------------------------------------------- */
+
+  async _onClickAttributeControl(event) {
+    event.preventDefault();
+    const a = event.currentTarget;
+    const action = a.dataset.action;
+    const attrs = this.object.data.data.attributes;
+    const form = this.form;
+
+    // Add new attribute
+    if ( action === "create" ) {
+      const nk = Object.keys(attrs).length + 1;
+      let newKey = document.createElement("div");
+      newKey.innerHTML = `<input type="text" name="data.attributes.attr${nk}.key" value="attr${nk}"/>`;
+      newKey = newKey.children[0];
+      form.appendChild(newKey);
+      await this._onSubmit(event);
+    }
+
+    // Remove existing attribute
+    else if ( action === "delete" ) {
+      const li = a.closest(".attribute");
+      li.parentElement.removeChild(li);
+      await this._onSubmit(event);
+    }
+  }
+
+  /* -------------------------------------------- */
+
+  /**
+   * Implement the _updateObject method as required by the parent class spec
+   * This defines how to update the subject of the form when the form is submitted
+   * @private
+   */
+  _updateObject(event, formData) {
+
+    // Handle the free-form attributes list
+    const formAttrs = expandObject(formData).data.attributes || {};
+    const attributes = Object.fromEntries(Object.entries(formAttrs).map(attr => {
+      let [k, v] = attr;
+      k = v["key"].trim();
+      delete v["key"];
+      return [k, v];
+    }));
+    
+    // Remove attributes which are no longer used
+    for ( let k of Object.keys(this.object.data.data.attributes) ) {
+      if ( !attributes.hasOwnProperty(k) ) attributes[`-=${k}`] = null;
+    }
+
+    // Re-combine formData
+    formData = Object.fromEntries(Object.entries(formData).filter(a => !a[0].startsWith("data.attributes")));
+    formData["_id"] = this.object._id;
+    formData["data.attributes"] = attributes;
+    
+    // Update the Item
+    return this.object.update(formData);
+  }
+}

module/simple.js

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+/**
+ * A simple and flexible system for world-building using an arbitrary collection of character and item attributes
+ * Author: Atropos
+ * Software License: GNU GPLv3
+ */
+
+// Import Modules
+import { SimpleItemSheet } from "./item-sheet.js";
+import { SimpleActorSheet } from "./actor-sheet.js";
+
+/* -------------------------------------------- */
+/*  Foundry VTT Initialization                  */
+/* -------------------------------------------- */
+
+Hooks.once("init", async function() {
+  console.log(`Initializing Simple Worldbuilding System`);
+
+	/**
+	 * Set an initiative formula for the system
+	 * @type {String}
+	 */
+	CONFIG.initiative.formula = "1d20";
+
+  // Register sheet application classes
+  Actors.unregisterSheet("core", ActorSheet);
+  Actors.registerSheet("dnd5e", SimpleActorSheet, { makeDefault: true });
+  Items.unregisterSheet("core", ItemSheet);
+  Items.registerSheet("dnd5e", SimpleItemSheet, {makeDefault: true});
+});