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bhav-to-diagram.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>The Sims 2 BHAV to Mermaid diagram</title>
<link rel="icon" type="image/x-icon" href="favicon.svg">
<style>
:root {
--flex-direction-x: column;
--flex-direction-y: row;
--flex-gap: .5rem;
--border-radius: .25rem;
--border: solid #0004 1px;
--transition: all .05s ease-in-out;
--site-background: #444;
}
@media (max-width: 100vh) {
:root {
--flex-direction-x: row;
--flex-direction-y: column;
}
}
html {
font-size: 16px;
}
body {
display: flex;
flex-direction: var(--flex-direction-y);
margin: 0;
padding: .5rem;
gap: var(--flex-gap);
height: calc(100vh - 2 * .5rem);
font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Tahoma,Helvetica,Arial,sans-serif,sans-serif;
background: var(--site-background);
}
section {
display: flex;
flex: 1 1 0;
flex-direction: var(--flex-direction-x);
gap: var(--flex-gap);
}
textarea, iframe {
flex-grow: 1;
}
textarea, iframe, button, select {
border-radius: var(--border-radius);
border: var(--border);
font-family: inherit;
}
textarea {
min-height: 1rem;
min-width: 3rem;
resize: none;
font-family: "Consolas", monospace;
font-size: .8rem;
font-weight: 500;
}
textarea[readonly] {
opacity: 0.8;
}
textarea.error {
color: #fff;
background: #a10;
font-weight: bold;
}
iframe:not([src]) {
display: none;
}
button {
background: #eee;
padding: .2rem .6rem;
margin-bottom: .1rem;
box-shadow: 0 .2rem 0 #aaa;
transition: var(--transition);
cursor: pointer;
}
button:active {
transform: translateY(.2rem);
box-shadow: 0 0 0 #aaa;
}
select {
padding: .2rem 1.2rem .2rem .4rem;
background: #fff;
background-image: url("data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAiIGhlaWdodD0iMTAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PHBhdGggc3R5bGU9ImZpbGw6YmxhY2s7c3Ryb2tlOm5vbmUiIGQ9Ik0gMCwyLjUgSCAxLjc1IEwgNSw2IDguMjUsMi41IEggMTAgTCA1LDggWiIvPjwvc3ZnPg");
background-size: .6rem;
background-position: right .3rem top 55%;
background-repeat: no-repeat;
appearance: none;
cursor: pointer;
}
#textareas {
flex: 1 1;
}
#visual-output {
flex: 2 0;
position: relative;
}
#settings {
flex: 0 1;
flex-direction: var(--flex-direction-y);
flex-wrap: wrap;
justify-content: center;
align-items: stretch;
}
#site-icons {
display: flex;
flex: 0;
flex-direction: row;
gap: var(--flex-gap);
justify-content: center;
}
#site-icons a {
display: flex;
align-items: center;
}
#diagram-tooltip {
position: absolute;
display: flex;
overflow: hidden;
padding: 0 .2rem .2rem 0;
border-top-left-radius: var(--border-radius);
border-bottom-right-radius: 50%;
background: var(--site-background);
cursor: help;
}
#diagram:not([src]) + #diagram-tooltip {
opacity: 0;
}
</style>
</head>
<body>
<section id="textareas">
<textarea id="input-code" spellcheck="false" placeholder="Here goes your BHAV code" title="Here goes your BHAV code"></textarea>
<section id="settings">
<button id="tutorial-button" title="Replace the code in the BHAV textbox with a tutorial code">Show tutorial</button>
<button id="paste-button" title="Paste the copied text from your clipboard into the BHAV textbox">Paste code</button>
<select id="loop-handling-select" title="Set how loops are displayed">
<option value="0">Don't highlight loops</option>
<option value="1">Outer loops only</option>
<option value="2" selected>Similar loops grouped</option>
<option value="3">Detailed loops</option>
</select>
<select id="theme-select" title="Change the theme if you cannot see the text in blocks">
<option value="base">Dark text</option>
<option value="dark" selected>Light text</option>
</select>
<div id="site-icons">
<a href="https://github.com/Cosmatevs/cosmatevs.github.io" target="_blank" title="Go to the GitHub repository">
<svg width="1.5rem" viewbox="0 0 98 96" xmlns="http://www.w3.org/2000/svg">
<path fill-rule="evenodd" clip-rule="evenodd" d="M48.854 0C21.839 0 0 22 0 49.217c0 21.756 13.993 40.172 33.405 46.69 2.427.49 3.316-1.059 3.316-2.362 0-1.141-.08-5.052-.08-9.127-13.59 2.934-16.42-5.867-16.42-5.867-2.184-5.704-5.42-7.17-5.42-7.17-4.448-3.015.324-3.015.324-3.015 4.934.326 7.523 5.052 7.523 5.052 4.367 7.496 11.404 5.378 14.235 4.074.404-3.178 1.699-5.378 3.074-6.6-10.839-1.141-22.243-5.378-22.243-24.283 0-5.378 1.94-9.778 5.014-13.2-.485-1.222-2.184-6.275.486-13.038 0 0 4.125-1.304 13.426 5.052a46.97 46.97 0 0 1 12.214-1.63c4.125 0 8.33.571 12.213 1.63 9.302-6.356 13.427-5.052 13.427-5.052 2.67 6.763.97 11.816.485 13.038 3.155 3.422 5.015 7.822 5.015 13.2 0 18.905-11.404 23.06-22.324 24.283 1.78 1.548 3.316 4.481 3.316 9.126 0 6.6-.08 11.897-.08 13.526 0 1.304.89 2.853 3.316 2.364 19.412-6.52 33.405-24.935 33.405-46.691C97.707 22 75.788 0 48.854 0z" fill="#fff"/>
</svg>
</a>
<a href="https://discord.gg/FrUfF8TN2h" target="_blank" title="Join the Discord server: Nopke's Labs">
<svg width="1.5rem" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 127.14 96.36">
<path style="fill:#fff;" d="M107.7,8.07A105.15,105.15,0,0,0,81.47,0a72.06,72.06,0,0,0-3.36,6.83A97.68,97.68,0,0,0,49,6.83,72.37,72.37,0,0,0,45.64,0,105.89,105.89,0,0,0,19.39,8.09C2.79,32.65-1.71,56.6.54,80.21h0A105.73,105.73,0,0,0,32.71,96.36,77.7,77.7,0,0,0,39.6,85.25a68.42,68.42,0,0,1-10.85-5.18c.91-.66,1.8-1.34,2.66-2a75.57,75.57,0,0,0,64.32,0c.87.71,1.76,1.39,2.66,2a68.68,68.68,0,0,1-10.87,5.19,77,77,0,0,0,6.89,11.1A105.25,105.25,0,0,0,126.6,80.22h0C129.24,52.84,122.09,29.11,107.7,8.07ZM42.45,65.69C36.18,65.69,31,60,31,53s5-12.74,11.43-12.74S54,46,53.89,53,48.84,65.69,42.45,65.69Zm42.24,0C78.41,65.69,73.25,60,73.25,53s5-12.74,11.44-12.74S96.23,46,96.12,53,91.08,65.69,84.69,65.69Z"/>
</svg>
</a>
<a href="https://mermaid.live/edit" target="_blank" title="Go to the Mermaid Live website">
<svg width="1.5rem" viewBox="0 0 491 491" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
<path d="M490.16,84.61C490.16,37.912 452.248,0 405.55,0L84.61,0C37.912,0 0,37.912 0,84.61L0,405.55C0,452.248 37.912,490.16 84.61,490.16L405.55,490.16C452.248,490.16 490.16,452.248 490.16,405.55L490.16,84.61Z" style="fill:rgb(255,54,112);"/>
<path d="M407.48,111.18C335.587,108.103 269.573,152.338 245.08,220C220.587,152.338 154.573,108.103 82.68,111.18C80.285,168.229 107.577,222.632 154.74,254.82C178.908,271.419 193.35,298.951 193.27,328.27L193.27,379.13L296.9,379.13L296.9,328.27C296.816,298.953 311.255,271.42 335.42,254.82C382.596,222.644 409.892,168.233 407.48,111.18Z" style="fill:white;fill-rule:nonzero;"/>
</svg>
</a>
</div>
</section>
<textarea id="output-code" readonly title="The BHAV code translated into Mermaid diagram code"></textarea>
</section>
<section id="visual-output">
<iframe id="diagram">
</iframe>
<div id="diagram-tooltip" title="Pan: click and drag the diagram area Zoom: use the mouse wheel in the diagram area Reset view: click the RESET button in the bottom right corner">
<svg width="1.5rem" viewbox="0 0 40 40" xmlns="http://www.w3.org/2000/svg">
<path style="fill:#fff" d="m0 20c0 11.046 8.9542 20 20 20 11.046 1.42e-4 20-8.954 20-20-1.42e-4 -11.046-8.9542-20-20-20h-20zm19.5-12.5c5 0 7.4998 2.5002 7.4998 6.0002 0 5.5-6.0002 5.9999-6.0002 9.9999 0 1 0.50023 1.5002 0.50023 1.5002h-4.5s-0.50023-1.0001-0.50023-2.5001c0-4.5 5.0002-4.9999 5.0002-8 0-1.5-0.97897-2.5001-2.5001-2.5001-3 0-4.9997 1.9999-4.9997 1.9999v-4.9997s1.9999-1.5002 5.4999-1.5002zm-2e-5 20c2 0 2.9998 1.0001 2.9998 2.5001s-0.99982 2.4996-2.9998 2.4996-3.0003-0.99959-3.0003-2.4996 1.0003-2.5001 3.0003-2.5001z"/>
</svg>
</div>
</section>
<script>
const inputArea = document.getElementById("input-code");
const themeSelect = document.getElementById("theme-select");
const loopHandlingSelect = document.getElementById("loop-handling-select");
const pasteButton = document.getElementById("paste-button");
const tutorialButton = document.getElementById("tutorial-button");
const outputArea = document.getElementById("output-code");
const diagram = document.getElementById("diagram");
inputArea.addEventListener('input', debounce(() => handleInput(inputArea.value), 500));
themeSelect.addEventListener('change', () => setupDiagram(outputArea.value));
loopHandlingSelect.addEventListener('change', () => handleInput(inputArea.value));
pasteButton.addEventListener('click', () => pasteClipboardIntoInput());
tutorialButton.addEventListener('click', () => showTutorial());
function debounce(callback, wait) {
let timeoutId = null;
return (...args) => {
window.clearTimeout(timeoutId);
timeoutId = window.setTimeout(
() => callback(...args), wait
);
};
}
function handleInput(input) {
outputArea.classList.remove("error");
if (input.trim().length === 0)
{
outputArea.value = '';
diagram.removeAttribute("src");
return;
}
try {
let bhavBlocks = BhavBlock.getBlocksFromSimPeText(input);
let bhavBlockHierarchies = BhavBlockHierarchy.getBlockHierarchies(bhavBlocks, getBlockHierarchyProperties());
let mermaidCode = MermaidGraphCodeBuilder.getCodeFromBlockHierarchies(bhavBlockHierarchies);
outputArea.value = mermaidCode;
setupDiagram(mermaidCode, true);
}
catch (error) {
console.error(error);
outputArea.value = `The tool couldn't translate your BHAV into a mermaid diagram. Make sure it's correct.\r\n\r\n${error}`;
outputArea.classList.add("error");
diagram.removeAttribute("src");
}
}
function getBlockHierarchyProperties() {
let properties = {
loopHandling: Number(loopHandlingSelect.value)
}
return properties;
}
function setupDiagram(mermaidCode, resetPanZoom = false) {
if (mermaidCode.trim().length === 0) {
diagram.removeAttribute("src");
return;
}
try {
let mermaidSetup = {
"code": mermaidCode,
"mermaid": {
"theme": themeSelect.value,
"useMaxWidth": true
},
"panZoom": true,
"rough": false,
"autoSync": false
};
if (resetPanZoom) {
mermaidSetup.zoom = 1;
mermaidSetup.pan = { "x": 0, "y": 0 };
}
diagram.src = "https://mermaid.live/view#base64:" + encodeBase64Uri(JSON.stringify(mermaidSetup));
diagram.classList.remove("error");
}
catch (error) {
console.error(error);
diagram.classList.add("error");
diagram.removeAttribute("src");
}
}
function showTutorial() {
inputArea.value = tutorialSimPeBhav;
handleInput(inputArea.value);
}
function pasteClipboardIntoInput() {
navigator.clipboard
.readText()
.then(text => {
inputArea.value = text;
handleInput(inputArea.value)
});
}
const tutorialSimPeBhav = `
0000 : 2001 : 00 : 0001 : FFFC : 00000000000000000000000000000000
[semi 0x2001] Open in SimPe a package file with the BHAV (you'd like to see as a diagram)
0001 : 2002 : 00 : 0002 : FFFC : 00000000000000000000000000000000
[semi 0x2002] Open the BHAV resource (from the Resource List,
in the Plugin View)
0002 : 0002 : 00 : 0004 : 0003 : 00000000000000000000000000000000
[prim 0x0002] Expression (Is the 'Special buttons' checkbox checked? (It's on the bottom right))
0003 : 0002 : 00 : 0004 : FFFC : 00000000000000000000000000000000
[prim 0x0002] Expression (Check the 'Special buttons' checkbox)
0004 : 2003 : 00 : 0005 : FFFC : 00000000000000000000000000000000
[semi 0x2003] Click the 'Copy' button ()
0005 : 1004 : 00 : 0006 : FFFC : 00000000000000000000000000000000
[private 0x1004] Paste the copied BHAV in the tool (in the first textarea, on the left side)
0006 : 0118 : 00 : 0007 : FFFC : 00000000000000000000000000000000
[global 0x0118] Idle (1 second)
0007 : 0002 : 00 : 0008 : 000A : 00000000000000000000000000000000
[prim 0x0002] Expression (Is the diagram visible?)
0008 : 0002 : 00 : FFFD : 0009 : 00000000000000000000000000000000
[prim 0x0002] Expression (Does the diagram look correct?)
0009 : 2008 : 00 : FFFE : FFFC : 00000000000000000000000000000000
[semi 0x2008] Report a bug on GitHub or Discord (Attach the BHAV code you've pasted into the tool. Explain what's wrong with the diagram)
000A : 0002 : 00 : 000B : 000C : 00000000000000000000000000000000
[prim 0x0002] Expression (Is the second textarea red?)
000B : 0002 : 00 : 0001 : 000C : 00000000000000000000000000000000
[prim 0x0002] Expression (Does the error description in it imply that it's your fault and you think it might be true?)
000C : 2008 : 00 : FFFE : FFFC : 00000000000000000000000000000000
[semi 0x2008] Report a bug on GitHub or Discord (Attach the BHAV code you've pasted into the tool)
000D : 0002 : 00 : FFFD : 000E : 00000000000000000000000000000000
[prim 0x0002] Expression (Do you know what the colors of lines with arrows mean?)
000E : 1003 : 00 : 000F : 000F : 00000000000000000000000000000000
[private 0x1003] See explanation (A <b>green</b> line shows what happens after a block returns <i>true</i>)
000F : 1003 : 00 : 0010 : 0010 : 00000000000000000000000000000000
[private 0x1003] See explanation (A <b>red</b> line shows what happens after a block returns <i>false</i>)
0010 : 1003 : 00 : FFFD : FFFD : 00000000000000000000000000000000
[private 0x1003] See explanation (A <b>grey</b> line shows what happens after a block returns either <i>true</i> or <i>false</i>)`
function encodeBase64Uri(string) {
let bytes = new TextEncoder().encode(string);
let binaryString = String.fromCodePoint(...bytes);
let base64Encoded = btoa(binaryString);
let base64EncodedUri = base64Encoded.replaceAll('\\', '_').replaceAll('+', '-');
return base64EncodedUri;
}
function removeFromArray(array, object) {
array.splice(array.indexOf(object), 1);
}
function toHex(number, fixedLength = 0) {
return '0x' + number.toString(16).toUpperCase().padStart(fixedLength, '0');
}
/* BHAV representation classes */
class BhavBlock {
constructor(properties) {
Object.assign(this, properties);
this.description = this.description ?? '';
this.type = this.type ?? (
this.instance < 0x0000 ? 'unknown'
: this.instance < 0x0100 ? 'primitive'
: this.instance < 0x1000 ? 'global'
: this.instance < 0x2000 ? 'private'
: this.instance < 0x10000 ? 'semiglobal'
: 'unknown');
this.outgoingTransitions = this.#prepareRawOutgoingTransitions(this.trueBlockId, this.falseBlockId);
delete this.trueBlockId;
delete this.falseBlockId;
}
#prepareRawOutgoingTransitions(trueBlockId, falseBlockId) {
let transitions = [];
if (trueBlockId === falseBlockId) {
if (trueBlockId !== null)
transitions.push(new BhavTransition(this.id, trueBlockId, BhavTransition.types.both));
}
else {
if (trueBlockId !== null)
transitions.push(new BhavTransition(this.id, trueBlockId, BhavTransition.types.true));
if (falseBlockId !== this.constructor.specialIds.undefined && falseBlockId !== null) {
transitions.push(new BhavTransition(this.id, falseBlockId, BhavTransition.types.false));
}
}
return transitions;
}
setTransitionReferencesToBlocks(blocks) {
this.outgoingTransitions.forEach(transition => transition.setReferencesToBlocks(blocks));
}
static specialIds = {
start: -1,
false: 0xFFFE,
true: 0xFFFD,
undefined: 0xFFFC
};
static #specialNames = {
"-1": 'start',
0xFFFE: 'false',
0xFFFD: 'true',
0xFFFC: 'undefined'
};
static createSpecial(id, trueBlockId = null, falseBlockId = null) {
let block;
if (id in this.#specialNames)
block = new BhavBlock({
id: id,
type: this.#specialNames[id],
name: this.#specialNames[id].toUpperCase(),
trueBlockId: trueBlockId,
falseBlockId: falseBlockId,
isSpecial: true
});
else
block = new BhavBlock({
id: id,
type: 'missing',
name: `MISSING ${toHex(id)}`,
trueBlockId: trueBlockId,
falseBlockId: falseBlockId,
isSpecial: true
});
return block;
}
static #simPeBhavRegex = /^\s*(?<id>[A-F\d]{4}) : (?<instance>[A-F\d]{4}) : (?<version>\d\d) : (?<trueBlockId>[A-F\d]{4}) : (?<falseBlockId>[A-F\d]{4}) : (?<rawOperands>[A-F\d]{32})\r?\n\[[a-z]+ 0x[A-F\d]{4}\] (?<name>.+?) \((?<description>[\u0000-\uFFFF]*?)\)(?:\s*\r?\n)/gm;
static getBlocksFromSimPeText(simPeText) {
let text = simPeText.replaceAll('"', "'").replaceAll('$', '\\$').trim();
text += '\r\n';
let blocks = [];
let duplicateBlockIds = new Set();
let match;
while ((match = this.#simPeBhavRegex.exec(text)) !== null) {
let g = match.groups;
let block = new BhavBlock({
id: Number(`0x${g.id}`),
version: g.version,
instance: Number(`0x${g.instance}`),
rawOperands: g.rawOperands,
name: g.name,
description: g.description,
trueBlockId: Number(`0x${g.trueBlockId}`),
falseBlockId: Number(`0x${g.falseBlockId}`)
});
if (blocks.some(existingBlock => existingBlock.id === block.id))
duplicateBlockIds.add(block.id);
else
blocks.push(block);
}
if (blocks.length === 0)
throw new Error('No valid blocks found');
if (duplicateBlockIds.size === 1)
throw new Error(`Block ${toHex([...duplicateBlockIds][0])} occurs more than once`);
else if (duplicateBlockIds.size > 1)
throw new Error(`Blocks ${[...duplicateBlockIds].map(id => toHex(id)).join(", ")} occur more than once`);
let expectedBlockIds = [...Array(Math.max(...blocks.map(block => block.id)) + 1).keys()];
let missingBlocks = expectedBlockIds.filter(id => blocks.some(block => block.id === id) === false);
if (missingBlocks.length === 1)
throw new Error(`Block ${toHex(missingBlocks[0])} is missing or couldn't be translated`);
else if (missingBlocks.length > 1)
throw new Error(`Blocks ${missingBlocks.map(id => toHex(id)).join(", ")} are missing or couldn't be translated`);
blocks = this.#extendWithSpecialBlocks(blocks);
blocks.forEach(block => block.setTransitionReferencesToBlocks(blocks));
return blocks;
}
static #extendWithSpecialBlocks(blocks) {
let blocksWithSpecial = [...blocks];
if (!blocksWithSpecial.some(x => x.id === BhavBlock.specialIds.start))
blocksWithSpecial.push(BhavBlock.createSpecial(BhavBlock.specialIds.start, 0, 0));
blocksWithSpecial.forEach(block => {
block.outgoingTransitions.forEach(transition => {
if (blocksWithSpecial.some(x => x.id === transition.endBlockId))
return;
blocksWithSpecial.push(BhavBlock.createSpecial(transition.endBlockId));
});
});
return blocksWithSpecial;
}
}
class BhavTransition {
static types = {
false: "FALSE",
true: "TRUE",
both: "BOTH"
}
constructor(startBlockId, endBlockId, type) {
this.startBlockId = startBlockId;
this.endBlockId = endBlockId;
this.type = type;
}
setReferencesToBlocks(blocks) {
this.startBlock = blocks.find(block => block.id === this.startBlockId);
delete this.startBlockId;
this.endBlock = blocks.find(block => block.id === this.endBlockId);
delete this.endBlockId;
}
}
class BhavBlockHierarchy {
blocksOnThisLevel;
blocksOnAllLevels;
subBlockLoopHierarchies;
static loopHandlingSettings =
{
none: 0,
outerOnly: 1,
similarGrouped: 2,
detailed: 3
};
constructor(blocks, blockLoops, properties) {
this.blocksOnAllLevels = [...new Set(blocks)];
if (blockLoops.length === 0) {
this.blocksOnThisLevel = [...this.blocksOnAllLevels];
this.subBlockLoopHierarchies = [];
return;
}
this.subBlockLoopHierarchies = this.#getLoopHierarchies(blockLoops, properties?.loopHandling);
this.blocksOnThisLevel = this.blocksOnAllLevels
.filter(block => this.subBlockLoopHierarchies
.some(subBlockLoopHierarchy => subBlockLoopHierarchy.blocksOnAllLevels.includes(block))
== false
);
}
#getLoopHierarchies(blockLoops, loopHandling = this.constructor.loopHandlingSettings.none) {
if (Object.values(this.constructor.loopHandlingSettings).includes(loopHandling) === false)
throw new Error(`Unknown loop handling setting: '${loopHandling}'`);
if (loopHandling == this.constructor.loopHandlingSettings.none)
return [];
let loopGroups = [];
let blockLoopsFromBiggest = blockLoops.toSorted((a, b) => b.length - a.length);
blockLoopsFromBiggest.forEach(blockLoop => {
let matchingLoopGroups = loopGroups
.filter(loopGroup => blockLoop
.some(block => loopGroup.blocks.has(block)
)
);
if (matchingLoopGroups.length === 0) {
let loopGroup = {
blocks: new Set(blockLoop),
mainBlockLoops: [blockLoop],
subBlockLoops: []
}
loopGroups.push(loopGroup);
return;
}
let firstLoopGroup = matchingLoopGroups[0];
blockLoop.forEach(block => firstLoopGroup.blocks.add(block));
if (matchingLoopGroups.length > 1) {
firstLoopGroup.mainBlockLoops.push(blockLoop);
for (let i = 1; i < matchingLoopGroups.length; i++) {
var loopGroupToMerge = matchingLoopGroups[i];
loopGroupToMerge.blocks.forEach(block => firstLoopGroup.add(block));
firstLoopGroup.mainBlockLoops.push(...loopGroupToMerge.mainBlockLoops);
firstLoopGroup.subBlockLoops.push(...loopGroupToMerge.subBlockLoops);
removeFromArray(loopGroups, loopGroupToMerge);
}
return;
}
let shouldBlockLoopBeSub = firstLoopGroup.mainBlockLoops
.some(mainBlockLoop =>
blockLoop.length < mainBlockLoop.length
&& blockLoop.every(block => mainBlockLoop.includes(block))
);
if (shouldBlockLoopBeSub)
firstLoopGroup.subBlockLoops.push(blockLoop);
else
firstLoopGroup.mainBlockLoops.push(blockLoop);
});
if (loopHandling == this.constructor.loopHandlingSettings.outerOnly)
{
let blockLoopHierarchies = loopGroups.map(loopGroup => new BhavBlockLoopHierarchy(loopGroup.blocks));
return blockLoopHierarchies;
}
let blockLoopHierarchies = [];
let groupSimilar = loopHandling == this.constructor.loopHandlingSettings.similarGrouped;
loopGroups.forEach(loopGroup => {
if (loopGroup.mainBlockLoops.length > 1) {
// in some cases there is a main loop
// that could have its own hierarchy
// because there are no sub loops
// that belong to it only partly
// - Cosmatevs the poet
loopGroup.mainBlockLoops.sort((a, b) => b.length - a.length);
loopGroup.mainBlockLoops.forEach(mainBlockLoop => {
if (mainBlockLoop.length === loopGroup.blocks.size)
return;
for (let i = 0; i < loopGroup.subBlockLoops.length; i++) {
let subBlockLoop = loopGroup.subBlockLoops[i];
// is any sub block in main block loop
if (subBlockLoop.some(subBlock => mainBlockLoop.includes(subBlock)) === false)
continue;
// is any sub block not in main block loop
if (subBlockLoop.some(subBlock => mainBlockLoop.includes(subBlock) === false))
return;
}
loopGroup.subBlockLoops.push(mainBlockLoop);
});
}
let subLoopHierarchies = this.#getLoopHierarchies(loopGroup.subBlockLoops, loopHandling);
if (subLoopHierarchies.length === 1) {
let subHierarchy = subLoopHierarchies[0];
let subHierarchySize = subHierarchy.blocksOnAllLevels.length;
let thisHierarchySize = loopGroup.blocks.size;
if (subHierarchySize === thisHierarchySize) {
blockLoopHierarchies.push(subHierarchy);
return;
}
if (groupSimilar && (subHierarchySize + 2 >= thisHierarchySize) && (subHierarchySize / thisHierarchySize >= 0.5)) {
subLoopHierarchies = subHierarchy.subBlockLoopHierarchies;
}
}
let bhavBlockLoopHierarchy = new BhavBlockLoopHierarchy(loopGroup.blocks);
subLoopHierarchies.forEach(subLoopHierarchy => {
bhavBlockLoopHierarchy.addSubBlockLoopHierarchy(subLoopHierarchy);
});
blockLoopHierarchies.push(bhavBlockLoopHierarchy);
});
return blockLoopHierarchies;
}
static getBlockHierarchies(blocks, properties) {
let blockHierarchies = [];
let alreadyGroupedBlocks = [];
let blocksWithIncomingTransitions = blocks
.flatMap(block => block.outgoingTransitions
.map(transition => transition.endBlock)
);
// the start block must go first to recognize disconnected blocks correctly
let parentBlocks = blocks
.filter(block => blocksWithIncomingTransitions.includes(block) === false)
.toSorted((a, b) => a.id === BhavBlock.specialIds.start ? -1 : b.id === BhavBlock.specialIds.start ? 1 : a.id - b.id);
parentBlocks.forEach(block => {
let blockGroup = this.#getRecursiveBlocksAndLoops(block, alreadyGroupedBlocks, []);
let blockHierarchy = new BhavBlockHierarchy(blockGroup.blockSet, blockGroup.blockLoops, properties);
blockHierarchies.push(blockHierarchy);
alreadyGroupedBlocks = alreadyGroupedBlocks.concat(blockHierarchy.blocksOnAllLevels);
});
return blockHierarchies;
}
static #getRecursiveBlocksAndLoops(block, blocksToOmit, blockChain) {
let blockOutcome = { blockSet: new Set([block]), blockLoops: [] };
let blockChainWithThisBlock = [...blockChain];
blockChainWithThisBlock.push(block);
block.outgoingTransitions.forEach(transition => {
if (blocksToOmit.includes(transition.endBlock))
return;
if (blockChainWithThisBlock.includes(transition.endBlock)) {
let firstBlockPosition = blockChainWithThisBlock.indexOf(transition.endBlock);
let blockLoop = blockChainWithThisBlock.slice(firstBlockPosition);
blockOutcome.blockLoops.push(blockLoop);
return;
}
let recursiveOutcome = this.#getRecursiveBlocksAndLoops(transition.endBlock, blocksToOmit, blockChainWithThisBlock);
blockOutcome.blockLoops = blockOutcome.blockLoops.concat(recursiveOutcome.blockLoops);
blockOutcome.blockSet = blockOutcome.blockSet.union(recursiveOutcome.blockSet);
});
return blockOutcome;
}
}
class BhavBlockLoopHierarchy {
constructor(blocks) {
this.blocksOnAllLevels = [...new Set(blocks)];
this.blocksOnThisLevel = [...this.blocksOnAllLevels];
this.subBlockLoopHierarchies = [];
}
addSubBlockLoopHierarchy(subBlockLoopHierarchy) {
this.blocksOnThisLevel = this.blocksOnThisLevel.filter(n => !subBlockLoopHierarchy.blocksOnThisLevel.includes(n));
subBlockLoopHierarchy.blocksOnAllLevels.forEach(block => {
if (!this.blocksOnAllLevels.includes(block))
this.blocksOnAllLevels.push(block)
});
this.subBlockLoopHierarchies.push(subBlockLoopHierarchy);
}
}
/* Graph builder */
class MermaidGraphCodeBuilder {
static getCodeFromBlockHierarchies(blockHierarchies) {
if (blockHierarchies.length === 0)
return 'graph TD';
let code = 'graph TD\r\n'
+ '\r\nclassDef primitive fill:#1885,stroke:#188;'
+ '\r\nclassDef global fill:#3805,stroke:#380;'
+ '\r\nclassDef semiglobal fill:#8705,stroke:#870;'
+ '\r\nclassDef private fill:#b505,stroke:#b50;'
+ '\r\nclassDef specialBlock font-size:1.4em;'
+ '\r\nclassDef start fill:#36f5,stroke:#36f;'
+ '\r\nclassDef true fill:#0905,stroke:#090;'
+ '\r\nclassDef false fill:#e205,stroke:#e20;'
+ '\r\nclassDef missing fill:#9745,stroke:#974;'
+ '\r\nclassDef unknown fill:#9745,stroke:#974;'
+ '\r\nclassDef disconnected fill:#7771,stroke:#777,stroke-width:.2rem,stroke-dasharray:20;'
+ '\r\nclassDef loop fill:#a4c1,stroke:#a4c,stroke-width:.2rem,stroke-dasharray:20;'
+ '\r\n\r\n';
blockHierarchies.forEach(blockHierarchy => code += this.#getBlockHierarchyCode(blockHierarchy));
code += this.#getTransitionsCode(blockHierarchies.flatMap(blockHierarchy => blockHierarchy.blocksOnAllLevels));
return code;
}
static #getBlockHierarchyCode(blockHierarchy) {
let code = '';
let isDisconnected = !blockHierarchy.blocksOnAllLevels.some(block => block.id === BhavBlock.specialIds.start);
let subgraphId = 'sub_' + blockHierarchy.blocksOnAllLevels.map(block => block.id).join('_');
if (isDisconnected) {
code += `subgraph ${subgraphId} [DISCONNECTED]\r\n`;
}
blockHierarchy.blocksOnThisLevel.forEach(block => {
code += this.#getBlockCode(block);
});
blockHierarchy.subBlockLoopHierarchies.forEach(loopHierarchy => {
code += this.#getLoopHierarchyCode(loopHierarchy);
})
if (isDisconnected) {
code += 'end'
+ `\r\nclass ${subgraphId} disconnected`
+ '\r\n\r\n'
}
return code;
}
static #getLoopHierarchyCode(blockHierarchyLoop, indentSize = 0) {
let indent = this.#getIndent(indentSize);
let subgraphId = `loop_${blockHierarchyLoop.blocksOnAllLevels.map(block => block.id).join('_')}`;
let code = `${indent}subgraph ${subgraphId} [LOOP]\r\n`;
blockHierarchyLoop.blocksOnThisLevel.forEach(block => {
code += this.#getBlockCode(block, indentSize + 1);
});
if (blockHierarchyLoop.subBlockLoopHierarchies.length > 0) {
blockHierarchyLoop.subBlockLoopHierarchies.forEach(subBlockLoopHierarchy => {
code += this.#getLoopHierarchyCode(subBlockLoopHierarchy, indentSize + 1);
});
}
code += `${indent}end`
+ `\r\n${indent}class ${subgraphId} loop`
+ '\r\n\r\n'
return code;
}
static #instanceEmojiMap = {
0x0002: '🧮', // expression
0x0024: '💬', // dialog
0x0000: '⏳', // sleep
0x0118: '⏳', // idle
0x016E: '⏳',
0x000F: '💥', // break point
0x007E: '🪐', // lua script
0x0008: '🎲', // random
0x01D2: '🎲',
0x049F: '🎲',
0x05F1: '🎲',
0x05F3: '🎲'
};
static #getBlockCode(block, indentSize = 0) {
let indent = this.#getIndent(indentSize);
if (block.isSpecial === true) {
return `${indent}${block.id}[${block.name}]`
+ `\r\n${indent}class ${block.id} specialBlock`
+ `\r\n${indent}class ${block.id} ${block.type}`
+ '\r\n\r\n';
}
let instanceEmoji = this.#instanceEmojiMap[block.instance] ?? '';
return `${indent}${block.id}["${toHex(block.id)} [${block.type} ${toHex(block.instance, 4)}]`
+ `<br>${instanceEmoji} <b>${block.name}<\/b>`
+ `<br>${block.description}"]`
+ `\r\n${indent}class ${block.id} ${block.type}`
+ '\r\n\r\n';
}
static #getTransitionsCode(blocks, currentTransitionId = -1) {
let code = "";
let transitionIdsOfTypes = new Map();
currentTransitionId++;
blocks.forEach(block => {
block.outgoingTransitions.forEach(transition => {
code += `\r\n${transition.startBlock.id}-->${transition.endBlock.id}`;
let transitionIdsOfType = transitionIdsOfTypes.get(transition.type);
if (transitionIdsOfType === undefined)
transitionIdsOfTypes.set(transition.type, [currentTransitionId]);
else
transitionIdsOfType.push(currentTransitionId);
currentTransitionId++;
});
});
for (const [type, ids] of transitionIdsOfTypes) {
code += `\r\nlinkStyle ${ids.join(",")} stroke-width:.2em`;
if (type === BhavTransition.types.true)
code += `,stroke:#0908`
else if (type === BhavTransition.types.false)
code += `,stroke:#e208`;
else
code += `,stroke:#7778`;
}
return code;
}
static #getIndent(indentSize) {
return '\t'.repeat(indentSize);
}
}
</script>
</body>
</html>