Add JSDoc comments to icon.js.

Commiting from cirno. You can tell it's dire.
This commit is contained in:
yellows111 2023-11-28 12:22:01 +01:00
parent eb5f41f9e8
commit 4e27befc6f
1 changed files with 83 additions and 4 deletions

87
icon.js
View File

@ -2,18 +2,37 @@
//LOOKING FOR: LZARI implementation (for MAX), description of CBS compression (node zlib doesn't tackle it, even with RC4'ing the data)
ICONJS_DEBUG = false;
ICONJS_STRICT = true;
ICONJS_VERSION = "0.5.1";
const ICONJS_VERSION = "0.5.2";
if (typeof Window !== "undefined") {
window.ICONJS_VERSION = ICONJS_VERSION;
}
/**
* Enable or disable use of debugging information in console via console.debug()
* @param {boolean} value - Enable/disable this feature
* @default false
* @public
*/
function setDebug(value) {
ICONJS_DEBUG = !!value;
}
/**
* Select if invalid characters in titles should be replaced with either spaces or nulls
* @param {boolean} value - true: with nulls, false: with spaces
* @default true
* @deprecated unlikely to ever need this?
* @public
*/
function setStrictness(value) {
ICONJS_STRICT = !!value;
}
// where U = uncompressed, N = none, C = compressed
/**
* Converts a texture format to a generalized texture type character.
* @param {number} input - texture format
* @returns {string} U: uncompressed, N: none, C: compressed
*/
function getTextureFormat(i) {
if (i<8) {
if(i==3) {
@ -27,6 +46,12 @@ function getTextureFormat(i) {
}
}
/**
* Decompress a compressed texture using RLE.
* @param {ArrayBuffer} input - texture
* @returns {!Uint16Array} decompressed texture, equivalent to an uncompressed texture
* @public
*/
function uncompressTexture(texData) {
// for texture formats 8-15
if (texData.length & 1) {
@ -66,6 +91,12 @@ function uncompressTexture(texData) {
return uncompressed;
}
/**
* Converts a BGR5A1 texture to a RGB5A1 texture
* @param {Uint16Array} bgrData - texture
* @returns {!Uint16Array} converted texture
* @public
*/
function convertBGR5A1toRGB5A1(bgrData) {
if(bgrData.byteLength !== 32768) {
throw `Not a 128x128x16 texture. (length was ${bgrData.length})`;
@ -87,10 +118,21 @@ function convertBGR5A1toRGB5A1(bgrData) {
return converted;
}
/**
* Takes a string and returns the first part before a null character.
* @param {string} dirty - String to slice from first null character.
* @returns {string} Substring of dirty before first null character.
*/
function stringScrubber(dirty) {
return dirty.replaceAll("\x00","").substring(0, (dirty.indexOf("\x00") === -1) ? dirty.length : dirty.indexOf("\x00"));
}
/**
* Read a PS2D format file (icon.sys)
* @param {ArrayBuffer} input - icon.sys formatted file
* @returns {Object} (user didn't write a description)
* @public
*/
function readPS2D(input) {
const view = new DataView(input);
const u32le = function(i){return view.getUint32(i, 1)}
@ -153,6 +195,12 @@ function readPS2D(input) {
return {filenames, title, background: {colors: bgColors, alpha: bgAlpha}, lighting: {points: lightIndices, colors: lightColors}};
}
/**
* Read a Model file ({*}, usually ICN or ICO, however)
* @param {ArrayBuffer} input - icon model file
* @returns {Object} (user didn't write a description)
* @public
*/
function readIconFile(input) {
//!pattern ps2icon-hacked.hexpat
const view = new DataView(input);
@ -272,6 +320,12 @@ function readIconFile(input) {
return {numberOfShapes, vertices, textureFormat, texture, animData};
}
/**
* Read a 512-byte file descriptor that is used on Memory Cards or PSU files.
* @param {ArrayBuffer} input - File descriptor segment.
* @returns {Object} (user didn't write a description)
* @access protected
*/
function readEntryBlock(input) {
const view = new DataView(input);
const u32le = function(i){return view.getUint32(i, 1)};
@ -312,6 +366,12 @@ function readEntryBlock(input) {
return {type, size, filename, createdTime, modifiedTime};
}
/**
* Read a EMS Memory Adapter export file (PSU format)
* @param {ArrayBuffer} input - PSU formatted file
* @returns {Object} (user didn't write a description)
* @public
*/
function readEmsPsuFile(input){
const header = readEntryBlock(input.slice(0,0x1ff));
if(header.size > 0x7f) {
@ -352,6 +412,12 @@ function readEmsPsuFile(input){
return fsOut;
}
/**
* Read a PS3 save export file (PSV format)
* @param {ArrayBuffer} input - PSV formatted file
* @returns {Object} (user didn't write a description)
* @public
*/
function readPsvFile(input){
const view = new DataView(input);
const u32le = function(i){return view.getUint32(i, 1)};
@ -409,6 +475,12 @@ function readPsvFile(input){
return {icons, "icon.sys": input.slice(ps2dOffset, ps2dOffset+ps2dSize), timestamps};
}
/**
* Read a SPS or XPS file descriptor.
* @param {ArrayBuffer} input - File descriptor segment.
* @returns {Object} (user didn't write a description)
* @access protected
*/
function readSxpsDescriptor(input) {
const view = new DataView(input);
const u32le = function(i){return view.getUint32(i, 1)};
@ -454,6 +526,12 @@ function readSxpsDescriptor(input) {
return {type, size, filename, timestamps};
}
/**
* Read a SharkPort or X-Port export file (SPS or XPS format)
* @param {ArrayBuffer} input - SPS|XPS formatted file
* @returns {Object} (user didn't write a description)
* @public
*/
function readSharkXPortSxpsFile(input) {
const view = new DataView(input);
const u32le = function(i){return view.getUint32(i, 1)};
@ -512,6 +590,7 @@ function readSharkXPortSxpsFile(input) {
return fsOut;
}
/** If we have a module object, define module.exports with all public functions */
if(typeof module !== "undefined") {
// for C6JS
module.exports = {
@ -520,4 +599,4 @@ if(typeof module !== "undefined") {
options: {setDebug, setStrictness},
version: ICONJS_VERSION
};
}
}