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rmmz_core.js
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rmmz_core.js
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//=============================================================================
// rmmz_core.js v1.1.0
//=============================================================================
//-----------------------------------------------------------------------------
/**
* This section contains some methods that will be added to the standard
* Javascript objects.
*
* @namespace JsExtensions
*/
/**
* Makes a shallow copy of the array.
*
* @memberof JsExtensions
* @returns {array} A shallow copy of the array.
*/
Array.prototype.clone = function() {
return this.slice(0);
};
Object.defineProperty(Array.prototype, "clone", {
enumerable: false
});
/**
* Checks whether the array contains a given element.
*
* @memberof JsExtensions
* @param {any} element - The element to search for.
* @returns {boolean} True if the array contains a given element.
* @deprecated includes() should be used instead.
*/
Array.prototype.contains = function(element) {
return this.includes(element);
};
Object.defineProperty(Array.prototype, "contains", {
enumerable: false
});
/**
* Checks whether the two arrays are the same.
*
* @memberof JsExtensions
* @param {array} array - The array to compare to.
* @returns {boolean} True if the two arrays are the same.
*/
Array.prototype.equals = function(array) {
if (!array || this.length !== array.length) {
return false;
}
for (let i = 0; i < this.length; i++) {
if (this[i] instanceof Array && array[i] instanceof Array) {
if (!this[i].equals(array[i])) {
return false;
}
} else if (this[i] !== array[i]) {
return false;
}
}
return true;
};
Object.defineProperty(Array.prototype, "equals", {
enumerable: false
});
/**
* Removes a given element from the array (in place).
*
* @memberof JsExtensions
* @param {any} element - The element to remove.
* @returns {array} The array after remove.
*/
Array.prototype.remove = function(element) {
for (;;) {
const index = this.indexOf(element);
if (index >= 0) {
this.splice(index, 1);
} else {
return this;
}
}
};
Object.defineProperty(Array.prototype, "remove", {
enumerable: false
});
/**
* Generates a random integer in the range (0, max-1).
*
* @memberof JsExtensions
* @param {number} max - The upper boundary (excluded).
* @returns {number} A random integer.
*/
Math.randomInt = function(max) {
return Math.floor(max * Math.random());
};
/**
* Returns a number whose value is limited to the given range.
*
* @memberof JsExtensions
* @param {number} min - The lower boundary.
* @param {number} max - The upper boundary.
* @returns {number} A number in the range (min, max).
*/
Number.prototype.clamp = function(min, max) {
return Math.min(Math.max(this, min), max);
};
/**
* Returns a modulo value which is always positive.
*
* @memberof JsExtensions
* @param {number} n - The divisor.
* @returns {number} A modulo value.
*/
Number.prototype.mod = function(n) {
return ((this % n) + n) % n;
};
/**
* Makes a number string with leading zeros.
*
* @memberof JsExtensions
* @param {number} length - The length of the output string.
* @returns {string} A string with leading zeros.
*/
Number.prototype.padZero = function(length) {
return String(this).padZero(length);
};
/**
* Checks whether the string contains a given string.
*
* @memberof JsExtensions
* @param {string} string - The string to search for.
* @returns {boolean} True if the string contains a given string.
* @deprecated includes() should be used instead.
*/
String.prototype.contains = function(string) {
return this.includes(string);
};
/**
* Replaces %1, %2 and so on in the string to the arguments.
*
* @memberof JsExtensions
* @param {any} ...args The objects to format.
* @returns {string} A formatted string.
*/
String.prototype.format = function() {
return this.replace(/%([0-9]+)/g, (s, n) => arguments[Number(n) - 1]);
};
/**
* Makes a number string with leading zeros.
*
* @memberof JsExtensions
* @param {number} length - The length of the output string.
* @returns {string} A string with leading zeros.
*/
String.prototype.padZero = function(length) {
return this.padStart(length, "0");
};
//-----------------------------------------------------------------------------
/**
* The static class that defines utility methods.
*
* @namespace
*/
function Utils() {
throw new Error("This is a static class");
}
/**
* The name of the RPG Maker. "MZ" in the current version.
*
* @type string
* @constant
*/
Utils.RPGMAKER_NAME = "MZ";
/**
* The version of the RPG Maker.
*
* @type string
* @constant
*/
Utils.RPGMAKER_VERSION = "1.1.0";
/**
* Checks whether the current RPG Maker version is greater than or equal to
* the given version.
*
* @param {string} version - The "x.x.x" format string to compare.
* @returns {boolean} True if the current version is greater than or equal
* to the given version.
*/
Utils.checkRMVersion = function(version) {
const array1 = this.RPGMAKER_VERSION.split(".");
const array2 = String(version).split(".");
for (let i = 0; i < array1.length; i++) {
const v1 = parseInt(array1[i]);
const v2 = parseInt(array2[i]);
if (v1 > v2) {
return true;
} else if (v1 < v2) {
return false;
}
}
return true;
};
/**
* Checks whether the option is in the query string.
*
* @param {string} name - The option name.
* @returns {boolean} True if the option is in the query string.
*/
Utils.isOptionValid = function(name) {
const args = location.search.slice(1);
if (args.split("&").includes(name)) {
return true;
}
if (this.isNwjs() && nw.App.argv.length > 0) {
return nw.App.argv[0].split("&").includes(name);
}
return false;
};
/**
* Checks whether the platform is NW.js.
*
* @returns {boolean} True if the platform is NW.js.
*/
Utils.isNwjs = function() {
return typeof require === "function" && typeof process === "object";
};
/**
* Checks whether the platform is a mobile device.
*
* @returns {boolean} True if the platform is a mobile device.
*/
Utils.isMobileDevice = function() {
const r = /Android|webOS|iPhone|iPad|iPod|BlackBerry|Opera Mini/i;
return !!navigator.userAgent.match(r);
};
/**
* Checks whether the browser is Mobile Safari.
*
* @returns {boolean} True if the browser is Mobile Safari.
*/
Utils.isMobileSafari = function() {
const agent = navigator.userAgent;
return !!(
agent.match(/iPhone|iPad|iPod/) &&
agent.match(/AppleWebKit/) &&
!agent.match("CriOS")
);
};
/**
* Checks whether the browser is Android Chrome.
*
* @returns {boolean} True if the browser is Android Chrome.
*/
Utils.isAndroidChrome = function() {
const agent = navigator.userAgent;
return !!(agent.match(/Android/) && agent.match(/Chrome/));
};
/**
* Checks whether the browser is accessing local files.
*
* @returns {boolean} True if the browser is accessing local files.
*/
Utils.isLocal = function() {
return window.location.href.startsWith("file:");
};
/**
* Checks whether the browser supports WebGL.
*
* @returns {boolean} True if the browser supports WebGL.
*/
Utils.canUseWebGL = function() {
try {
const canvas = document.createElement("canvas");
return !!canvas.getContext("webgl");
} catch (e) {
return false;
}
};
/**
* Checks whether the browser supports Web Audio API.
*
* @returns {boolean} True if the browser supports Web Audio API.
*/
Utils.canUseWebAudioAPI = function() {
return !!(window.AudioContext || window.webkitAudioContext);
};
/**
* Checks whether the browser supports CSS Font Loading.
*
* @returns {boolean} True if the browser supports CSS Font Loading.
*/
Utils.canUseCssFontLoading = function() {
return !!(document.fonts && document.fonts.ready);
};
/**
* Checks whether the browser supports IndexedDB.
*
* @returns {boolean} True if the browser supports IndexedDB.
*/
Utils.canUseIndexedDB = function() {
return !!(
window.indexedDB ||
window.mozIndexedDB ||
window.webkitIndexedDB
);
};
/**
* Checks whether the browser can play ogg files.
*
* @returns {boolean} True if the browser can play ogg files.
*/
Utils.canPlayOgg = function() {
if (!Utils._audioElement) {
Utils._audioElement = document.createElement("audio");
}
return !!(
Utils._audioElement &&
Utils._audioElement.canPlayType('audio/ogg; codecs="vorbis"')
);
};
/**
* Checks whether the browser can play webm files.
*
* @returns {boolean} True if the browser can play webm files.
*/
Utils.canPlayWebm = function() {
if (!Utils._videoElement) {
Utils._videoElement = document.createElement("video");
}
return !!(
Utils._videoElement &&
Utils._videoElement.canPlayType('video/webm; codecs="vp8, vorbis"')
);
};
/**
* Encodes a URI component without escaping slash characters.
*
* @param {string} str - The input string.
* @returns {string} Encoded string.
*/
Utils.encodeURI = function(str) {
return encodeURIComponent(str).replace(/%2F/g, "/");
};
/**
* Escapes special characters for HTML.
*
* @param {string} str - The input string.
* @returns {string} Escaped string.
*/
Utils.escapeHtml = function(str) {
const entityMap = {
"&": "&",
"<": "<",
">": ">",
'"': """,
"'": "'",
"/": "/"
};
return String(str).replace(/[&<>"'/]/g, s => entityMap[s]);
};
/**
* Checks whether the string contains any Arabic characters.
*
* @returns {boolean} True if the string contains any Arabic characters.
*/
Utils.containsArabic = function(str) {
const regExp = /[\u0600-\u06FF\u0750-\u077F\u08A0-\u08FF]/;
return regExp.test(str);
};
/**
* Sets information related to encryption.
*
* @param {boolean} hasImages - Whether the image files are encrypted.
* @param {boolean} hasAudio - Whether the audio files are encrypted.
* @param {string} key - The encryption key.
*/
Utils.setEncryptionInfo = function(hasImages, hasAudio, key) {
// [Note] This function is implemented for module independence.
this._hasEncryptedImages = hasImages;
this._hasEncryptedAudio = hasAudio;
this._encryptionKey = key;
};
/**
* Checks whether the image files in the game are encrypted.
*
* @returns {boolean} True if the image files are encrypted.
*/
Utils.hasEncryptedImages = function() {
return this._hasEncryptedImages;
};
/**
* Checks whether the audio files in the game are encrypted.
*
* @returns {boolean} True if the audio files are encrypted.
*/
Utils.hasEncryptedAudio = function() {
return this._hasEncryptedAudio;
};
/**
* Decrypts encrypted data.
*
* @param {ArrayBuffer} source - The data to be decrypted.
* @returns {ArrayBuffer} The decrypted data.
*/
Utils.decryptArrayBuffer = function(source) {
const header = new Uint8Array(source, 0, 16);
const headerHex = Array.from(header, x => x.toString(16)).join(",");
if (headerHex !== "52,50,47,4d,56,0,0,0,0,3,1,0,0,0,0,0") {
throw new Error("Decryption error");
}
const body = source.slice(16);
const view = new DataView(body);
const key = this._encryptionKey.match(/.{2}/g);
for (let i = 0; i < 16; i++) {
view.setUint8(i, view.getUint8(i) ^ parseInt(key[i], 16));
}
return body;
};
//-----------------------------------------------------------------------------
/**
* The static class that carries out graphics processing.
*
* @namespace
*/
function Graphics() {
throw new Error("This is a static class");
}
/**
* Initializes the graphics system.
*
* @returns {boolean} True if the graphics system is available.
*/
Graphics.initialize = function() {
this._width = 0;
this._height = 0;
this._defaultScale = 1;
this._realScale = 1;
this._errorPrinter = null;
this._tickHandler = null;
this._canvas = null;
this._fpsCounter = null;
this._loadingSpinner = null;
this._stretchEnabled = this._defaultStretchMode();
this._app = null;
this._effekseer = null;
this._wasLoading = false;
/**
* The total frame count of the game screen.
*
* @type number
* @name Graphics.frameCount
*/
this.frameCount = 0;
/**
* The width of the window display area.
*
* @type number
* @name Graphics.boxWidth
*/
this.boxWidth = this._width;
/**
* The height of the window display area.
*
* @type number
* @name Graphics.boxHeight
*/
this.boxHeight = this._height;
this._updateRealScale();
this._createAllElements();
this._disableContextMenu();
this._setupEventHandlers();
this._createPixiApp();
this._createEffekseerContext();
return !!this._app;
};
/**
* The PIXI.Application object.
*
* @readonly
* @type PIXI.Application
* @name Graphics.app
*/
Object.defineProperty(Graphics, "app", {
get: function() {
return this._app;
},
configurable: true
});
/**
* The context object of Effekseer.
*
* @readonly
* @type EffekseerContext
* @name Graphics.effekseer
*/
Object.defineProperty(Graphics, "effekseer", {
get: function() {
return this._effekseer;
},
configurable: true
});
/**
* Register a handler for tick events.
*
* @param {function} handler - The listener function to be added for updates.
*/
Graphics.setTickHandler = function(handler) {
this._tickHandler = handler;
};
/**
* Starts the game loop.
*/
Graphics.startGameLoop = function() {
if (this._app) {
this._app.start();
}
};
/**
* Stops the game loop.
*/
Graphics.stopGameLoop = function() {
if (this._app) {
this._app.stop();
}
};
/**
* Sets the stage to be rendered.
*
* @param {Stage} stage - The stage object to be rendered.
*/
Graphics.setStage = function(stage) {
if (this._app) {
this._app.stage = stage;
}
};
/**
* Shows the loading spinner.
*/
Graphics.startLoading = function() {
if (!document.getElementById("loadingSpinner")) {
document.body.appendChild(this._loadingSpinner);
}
};
/**
* Erases the loading spinner.
*
* @returns {boolean} True if the loading spinner was active.
*/
Graphics.endLoading = function() {
if (document.getElementById("loadingSpinner")) {
document.body.removeChild(this._loadingSpinner);
return true;
} else {
return false;
}
};
/**
* Displays the error text to the screen.
*
* @param {string} name - The name of the error.
* @param {string} message - The message of the error.
* @param {Error} [error] - The error object.
*/
Graphics.printError = function(name, message, error = null) {
if (!this._errorPrinter) {
this._createErrorPrinter();
}
this._errorPrinter.innerHTML = this._makeErrorHtml(name, message, error);
this._wasLoading = this.endLoading();
this._applyCanvasFilter();
};
/**
* Displays a button to try to reload resources.
*
* @param {function} retry - The callback function to be called when the button
* is pressed.
*/
Graphics.showRetryButton = function(retry) {
const button = document.createElement("button");
button.id = "retryButton";
button.innerHTML = "Retry";
// [Note] stopPropagation() is required for iOS Safari.
button.ontouchstart = e => e.stopPropagation();
button.onclick = () => {
Graphics.eraseError();
retry();
};
this._errorPrinter.appendChild(button);
button.focus();
};
/**
* Erases the loading error text.
*/
Graphics.eraseError = function() {
if (this._errorPrinter) {
this._errorPrinter.innerHTML = this._makeErrorHtml();
if (this._wasLoading) {
this.startLoading();
}
}
this._clearCanvasFilter();
};
/**
* Converts an x coordinate on the page to the corresponding
* x coordinate on the canvas area.
*
* @param {number} x - The x coordinate on the page to be converted.
* @returns {number} The x coordinate on the canvas area.
*/
Graphics.pageToCanvasX = function(x) {
if (this._canvas) {
const left = this._canvas.offsetLeft;
return Math.round((x - left) / this._realScale);
} else {
return 0;
}
};
/**
* Converts a y coordinate on the page to the corresponding
* y coordinate on the canvas area.
*
* @param {number} y - The y coordinate on the page to be converted.
* @returns {number} The y coordinate on the canvas area.
*/
Graphics.pageToCanvasY = function(y) {
if (this._canvas) {
const top = this._canvas.offsetTop;
return Math.round((y - top) / this._realScale);
} else {
return 0;
}
};
/**
* Checks whether the specified point is inside the game canvas area.
*
* @param {number} x - The x coordinate on the canvas area.
* @param {number} y - The y coordinate on the canvas area.
* @returns {boolean} True if the specified point is inside the game canvas area.
*/
Graphics.isInsideCanvas = function(x, y) {
return x >= 0 && x < this._width && y >= 0 && y < this._height;
};
/**
* Shows the game screen.
*/
Graphics.showScreen = function() {
this._canvas.style.opacity = 1;
};
/**
* Hides the game screen.
*/
Graphics.hideScreen = function() {
this._canvas.style.opacity = 0;
};
/**
* Changes the size of the game screen.
*
* @param {number} width - The width of the game screen.
* @param {number} height - The height of the game screen.
*/
Graphics.resize = function(width, height) {
this._width = width;
this._height = height;
this._updateAllElements();
};
/**
* The width of the game screen.
*
* @type number
* @name Graphics.width
*/
Object.defineProperty(Graphics, "width", {
get: function() {
return this._width;
},
set: function(value) {
if (this._width !== value) {
this._width = value;
this._updateAllElements();
}
},
configurable: true
});
/**
* The height of the game screen.
*
* @type number
* @name Graphics.height
*/
Object.defineProperty(Graphics, "height", {
get: function() {
return this._height;
},
set: function(value) {
if (this._height !== value) {
this._height = value;
this._updateAllElements();
}
},
configurable: true
});
/**
* The default zoom scale of the game screen.
*
* @type number
* @name Graphics.defaultScale
*/
Object.defineProperty(Graphics, "defaultScale", {
get: function() {
return this._defaultScale;
},
set: function(value) {
if (this._defaultScale !== value) {
this._defaultScale = value;
this._updateAllElements();
}
},
configurable: true
});
Graphics._createAllElements = function() {
this._createErrorPrinter();
this._createCanvas();
this._createLoadingSpinner();
this._createFPSCounter();
};
Graphics._updateAllElements = function() {
this._updateRealScale();
this._updateErrorPrinter();
this._updateCanvas();
this._updateVideo();
};
Graphics._onTick = function(deltaTime) {
this._fpsCounter.startTick();
if (this._tickHandler) {
this._tickHandler(deltaTime);
}
if (this._canRender()) {
this._app.render();
}
this._fpsCounter.endTick();
};
Graphics._canRender = function() {
return !!this._app.stage;
};
Graphics._updateRealScale = function() {
if (this._stretchEnabled && this._width > 0 && this._height > 0) {
const h = this._stretchWidth() / this._width;
const v = this._stretchHeight() / this._height;
this._realScale = Math.min(h, v);
window.scrollTo(0, 0);
} else {
this._realScale = this._defaultScale;
}
};
Graphics._stretchWidth = function() {
if (Utils.isMobileDevice()) {
return document.documentElement.clientWidth;
} else {
return window.innerWidth;
}
};
Graphics._stretchHeight = function() {
if (Utils.isMobileDevice()) {
// [Note] Mobile browsers often have special operations at the top and
// bottom of the screen.
const rate = Utils.isLocal() ? 1.0 : 0.9;
return document.documentElement.clientHeight * rate;
} else {
return window.innerHeight;
}
};
Graphics._makeErrorHtml = function(name, message /*, error*/) {
const nameDiv = document.createElement("div");
const messageDiv = document.createElement("div");
nameDiv.id = "errorName";
messageDiv.id = "errorMessage";
nameDiv.innerHTML = Utils.escapeHtml(name || "");
messageDiv.innerHTML = Utils.escapeHtml(message || "");
return nameDiv.outerHTML + messageDiv.outerHTML;
};
Graphics._defaultStretchMode = function() {
return Utils.isNwjs() || Utils.isMobileDevice();
};
Graphics._createErrorPrinter = function() {
this._errorPrinter = document.createElement("div");
this._errorPrinter.id = "errorPrinter";
this._errorPrinter.innerHTML = this._makeErrorHtml();
document.body.appendChild(this._errorPrinter);
};
Graphics._updateErrorPrinter = function() {
const width = 640 * this._realScale;
const height = 100 * this._realScale;
this._errorPrinter.style.width = width + "px";
this._errorPrinter.style.height = height + "px";
};
Graphics._createCanvas = function() {
this._canvas = document.createElement("canvas");
this._canvas.id = "gameCanvas";
this._updateCanvas();
document.body.appendChild(this._canvas);
};
Graphics._updateCanvas = function() {
this._canvas.width = this._width;
this._canvas.height = this._height;
this._canvas.style.zIndex = 1;
this._centerElement(this._canvas);
};
Graphics._updateVideo = function() {
const width = this._width * this._realScale;
const height = this._height * this._realScale;
Video.resize(width, height);
};
Graphics._createLoadingSpinner = function() {
const loadingSpinner = document.createElement("div");
const loadingSpinnerImage = document.createElement("div");
loadingSpinner.id = "loadingSpinner";
loadingSpinnerImage.id = "loadingSpinnerImage";
loadingSpinner.appendChild(loadingSpinnerImage);
this._loadingSpinner = loadingSpinner;
};
Graphics._createFPSCounter = function() {
this._fpsCounter = new Graphics.FPSCounter();
};
Graphics._centerElement = function(element) {
const width = element.width * this._realScale;
const height = element.height * this._realScale;
element.style.position = "absolute";
element.style.margin = "auto";
element.style.top = 0;
element.style.left = 0;
element.style.right = 0;
element.style.bottom = 0;
element.style.width = width + "px";
element.style.height = height + "px";
};
Graphics._disableContextMenu = function() {
const elements = document.body.getElementsByTagName("*");
const oncontextmenu = () => false;
for (const element of elements) {
element.oncontextmenu = oncontextmenu;
}
};
Graphics._applyCanvasFilter = function() {
if (this._canvas) {
this._canvas.style.opacity = 0.5;
this._canvas.style.filter = "blur(8px)";
this._canvas.style.webkitFilter = "blur(8px)";
}
};
Graphics._clearCanvasFilter = function() {
if (this._canvas) {
this._canvas.style.opacity = 1;
this._canvas.style.filter = "";
this._canvas.style.webkitFilter = "";
}
};
Graphics._setupEventHandlers = function() {
window.addEventListener("resize", this._onWindowResize.bind(this));
document.addEventListener("keydown", this._onKeyDown.bind(this));
};
Graphics._onWindowResize = function() {
this._updateAllElements();
};
Graphics._onKeyDown = function(event) {
if (!event.ctrlKey && !event.altKey) {
switch (event.keyCode) {
case 113: // F2
event.preventDefault();
this._switchFPSCounter();
break;
case 114: // F3
event.preventDefault();
this._switchStretchMode();
break;
case 115: // F4
event.preventDefault();
this._switchFullScreen();
break;
}
}
};
Graphics._switchFPSCounter = function() {
this._fpsCounter.switchMode();
};
Graphics._switchStretchMode = function() {
this._stretchEnabled = !this._stretchEnabled;
this._updateAllElements();
};
Graphics._switchFullScreen = function() {
if (this._isFullScreen()) {
this._cancelFullScreen();
} else {
this._requestFullScreen();
}
};
Graphics._isFullScreen = function() {
return (
document.fullScreenElement ||
document.mozFullScreen ||
document.webkitFullscreenElement
);
};
Graphics._requestFullScreen = function() {
const element = document.body;
if (element.requestFullScreen) {
element.requestFullScreen();
} else if (element.mozRequestFullScreen) {
element.mozRequestFullScreen();
} else if (element.webkitRequestFullScreen) {
element.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);