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<!DOCTYPE html>
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<title>JSDoc: Source: input/Inputs.js</title>
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<h1 class="page-title">Source: input/Inputs.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>//------------------------------------------------------------------------------
// Constructor scope
//------------------------------------------------------------------------------
/**
* Creates a new instance of the Inputs class.
*
* @constructor
*
* @param {Object} [options] Input settings.
*
* @class
* @classdesc
*
* The Inputs class is a subsystem that handles all of Rune's input devices,
* such as keyboards and gamepads. All access to input devices thus passes
* through an instance of this class.
*/
rune.input.Inputs = function(options) {
//--------------------------------------------------------------------------
// Private properties
//--------------------------------------------------------------------------
/**
* The subsystem responsible for gamepad devices.
*
* @type {rune.input.Gamepads}
* @private
*/
this.m_gamepads = null;
/**
* The subsystem responsible for keyboard input.
*
* @type {rune.input.Keyboard}
* @private
*/
this.m_keyboard = null;
/**
* Input settings.
*
* @type {Object}
* @private
*/
this.m_options = options || {};
//--------------------------------------------------------------------------
// Constructor call
//--------------------------------------------------------------------------
/**
* Invokes secondary class constructor.
*/
this.m_construct();
};
//------------------------------------------------------------------------------
// Public prototype getter and setter methods
//------------------------------------------------------------------------------
/**
* A subsystem that handles all connected gamepad devices. A connected device
* is represented by a Gamepad object, which can be requested via this instance.
*
* @member {rune.input.Gamepads} gamepads
* @memberof rune.input.Inputs
* @instance
* @readonly
*/
Object.defineProperty(rune.input.Inputs.prototype, "gamepads", {
/**
* @this rune.input.Inputs
* @ignore
*/
get : function() {
return this.m_gamepads;
},
});
/**
* Represents the keyboard. Use this object to read the current state of keys,
* such as pressed, released, etc..
*
* @member {rune.input.Keyboard} keyboard
* @memberof rune.input.Inputs
* @instance
* @readonly
*/
Object.defineProperty(rune.input.Inputs.prototype, "keyboard", {
/**
* @this rune.input.Inputs
* @ignore
*/
get : function() {
return this.m_keyboard;
},
});
//------------------------------------------------------------------------------
// Public prototype methods (API)
//------------------------------------------------------------------------------
/**
* Resets the state of all input devices.
*
* @returns {undefined}
*/
rune.input.Inputs.prototype.reset = function() {
if (this.m_keyboard != null) this.m_keyboard.reset();
if (this.m_gamepads != null) this.m_gamepads.reset();
};
//------------------------------------------------------------------------------
// Public prototype methods (ENGINE)
//------------------------------------------------------------------------------
/**
* Updates the state of all input devices.
*
* @param {number} step Current time step.
*
* @returns {undefined}
* @ignore
*/
rune.input.Inputs.prototype.update = function(step) {
this.m_updateKeyboard(step);
this.m_updateGamepads(step);
};
/**
* Removes all handling of input devices. No input will be registered after
* this method is called.
*
* @returns {undefined}
* @ignore
*/
rune.input.Inputs.prototype.dispose = function() {
this.m_disposeGamepads();
this.m_disposeKeyboard();
};
//------------------------------------------------------------------------------
// Protected prototype methods
//------------------------------------------------------------------------------
/**
* The class constructor.
*
* @returns {undefined}
* @protected
* @ignore
*/
rune.input.Inputs.prototype.m_construct = function() {
this.m_constructKeyboard();
this.m_constructGamepads();
};
/**
* Creates and activates the keyboard management system.
*
* @throws {Error} If an object reference already exists.
*
* @returns {undefined}
* @protected
* @ignore
*/
rune.input.Inputs.prototype.m_constructKeyboard = function() {
this.m_disposeKeyboard();
if (this.m_keyboard === null) {
this.m_keyboard = new rune.input.Keyboard({
enable: this.m_options.useKeyboard,
target: window
});
} else throw new Error();
};
/**
* Creates the subsystem that handles all gamepad devices.
*
* @throws {Error} If an object reference already exists.
*
* @returns {undefined}
* @protected
* @ignore
*/
rune.input.Inputs.prototype.m_constructGamepads = function() {
this.m_disposeGamepads();
if (this.m_gamepads === null) {
this.m_gamepads = new rune.input.Gamepads({
enable: this.m_options.useGamepads
});
} else throw new Error();
};
/**
* Updates the state of the keyboard.
*
* @param {number} step Current time step.
*
* @returns {undefined}
* @protected
* @ignore
*/
rune.input.Inputs.prototype.m_updateKeyboard = function(step) {
if (this.m_keyboard != null) {
this.m_keyboard.update();
}
};
/**
* Updates the state of all connected gamepad devices.
*
* @param {number} step Current time step.
*
* @returns {undefined}
* @protected
* @ignore
*/
rune.input.Inputs.prototype.m_updateGamepads = function(step) {
if (this.m_gamepads != null) {
this.m_gamepads.update();
}
};
/**
* Removes all handling of gamepad devices.
*
* @returns {undefined}
* @protected
* @ignore
*/
rune.input.Inputs.prototype.m_disposeGamepads = function() {
if (this.m_gamepads instanceof rune.input.Gamepads) {
this.m_gamepads.dispose();
this.m_gamepads = null;
}
};
/**
* Removes the representation of the keyboard.
*
* @returns {undefined}
* @protected
* @ignore
*/
rune.input.Inputs.prototype.m_disposeKeyboard = function() {
if (this.m_keyboard instanceof rune.input.Keyboard) {
this.m_keyboard.dispose();
this.m_keyboard = null;
}
};</code></pre>
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