// src/scripts/pcBuilder.js
// Computing:Box — Advanced PC Sandbox
(() => {
const workspace = document.getElementById("workspace");
const viewport = document.getElementById("viewport");
const wireLayer = document.getElementById("wireLayer");
const specsContainer = document.getElementById("buildSpecsContainer");
const toolboxGrid = document.getElementById("toolboxGrid");
const btnClearBoard = document.getElementById("btnClearBoard");
const toolboxToggle = document.getElementById("toolboxToggle");
const pcPage = document.getElementById("pcPage");
/* --- Extensive PC Component Library --- */
const PC_PARTS = {
'CASE': {
name: 'ATX PC Case', w: 600, h: 550, z: 5, ports: [],
slots: {
'MB1': { x: 20, y: 20, accepts: 'MB' },
'PSU1': { x: 20, y: 440, accepts: 'PSU' },
'HDD1': { x: 440, y: 20, accepts: 'HDD' },
'HDD2': { x: 440, y: 170, accepts: 'HDD' },
'SATA_SSD1': { x: 440, y: 320, accepts: 'SATA_SSD' },
'SATA_SSD2': { x: 440, y: 400, accepts: 'SATA_SSD' }
},
svg: ``
},
'MB': {
name: 'Motherboard', w: 360, h: 400, z: 10,
ports: [
{ id: 'atx_pwr', x: 340, y: 150 }, { id: 'sata1', x: 340, y: 300 }, { id: 'sata2', x: 340, y: 330 },
{ id: 'usb1', x: 10, y: 40 }, { id: 'usb2', x: 10, y: 70 }, { id: 'usb3', x: 10, y: 100 }, { id: 'usb4', x: 10, y: 130 },
{ id: 'audio', x: 10, y: 170 }, { id: 'disp', x: 10, y: 210 }
],
slots: {
'CPU1': { x: 120, y: 40, accepts: 'CPU' },
'COOLER1': { x: 100, y: 20, accepts: 'COOLER' },
'RAM1': { x: 230, y: 30, accepts: 'RAM' }, 'RAM2': { x: 250, y: 30, accepts: 'RAM' },
'RAM3': { x: 270, y: 30, accepts: 'RAM' }, 'RAM4': { x: 290, y: 30, accepts: 'RAM' },
'M2_1': { x: 120, y: 170, accepts: 'M2_SSD' }, 'M2_2': { x: 120, y: 250, accepts: 'M2_SSD' },
'PCIE1': { x: 40, y: 200, accepts: 'GPU' }, 'PCIE2': { x: 40, y: 300, accepts: 'GPU' }
},
// Uses a lighter slate grey #2C303A to stand out from the case
svg: ``
},
'CPU': { name: 'Processor', w: 80, h: 80, z: 20, ports: [], slots: {}, svg: `CPU` },
'COOLER': { name: 'CPU Fan', w: 120, h: 120, z: 30, ports: [], slots: {}, svg: `` },
'RAM': { name: 'DDR4 Memory', w: 15, h: 100, z: 20, ports: [], slots: {}, svg: `` },
'GPU': { name: 'Graphics Card', w: 280, h: 60, z: 40, slots: {}, ports: [{ id: 'pwr_in', x: 270, y: 10 }, { id: 'disp_out', x: 10, y: 30 }], svg: `` },
'M2_SSD': { name: 'M.2 NVMe SSD', w: 80, h: 15, z: 20, ports: [], slots: {}, svg: `` },
'SATA_SSD': { name: '2.5" SATA SSD', w: 100, h: 70, z: 20, slots: {}, ports: [{id:'data', x:90, y:20}, {id:'pwr', x:90, y:50}], svg: `SSD` },
'HDD': { name: '3.5" Mech HDD', w: 120, h: 140, z: 20, slots: {}, ports: [{id:'data', x:110, y:20}, {id:'pwr', x:110, y:120}], svg: `` },
'PSU': { name: 'Power Supply', w: 160, h: 90, z: 20, slots: {}, ports: [{id:'out1',x:150,y:20}, {id:'out2',x:150,y:40}, {id:'out3',x:150,y:60}, {id:'out4',x:150,y:80}], svg: `` },
'MONITOR': { name: 'Monitor', w: 240, h: 160, z: 30, slots: {}, ports: [{id:'disp', x:120, y:140}], svg: `` },
'KEYBOARD': { name: 'Keyboard', w: 180, h: 60, z: 30, slots: {}, ports: [{id:'usb', x:90, y:10}], svg: `` },
'MOUSE': { name: 'Mouse', w: 30, h: 50, z: 30, slots: {}, ports: [{id:'usb', x:15, y:5}], svg: `` },
'SPEAKER': { name: 'Speakers', w: 40, h: 80, z: 30, slots: {}, ports: [{id:'audio', x:20, y:10}], svg: `` }
};
let nodes = {};
let connections = [];
let nextNodeId = 1, nextWireId = 1;
let isDraggingNode = null, dragOffset = { x: 0, y: 0 };
let wiringStart = null, tempWirePath = null;
let selectedWireId = null, selectedNodeId = null;
let panX = 0, panY = 0, zoom = 1;
let isPanning = false, panStart = { x: 0, y: 0 };
/* --- Setup Toolbox --- */
function initToolbox() {
if(!toolboxGrid) return;
let html = '';
Object.keys(PC_PARTS).forEach(partKey => {
html += `
${partKey}
`;
});
toolboxGrid.innerHTML = html;
document.querySelectorAll('.drag-item').forEach(item => {
item.addEventListener('dragstart', (e) => { e.dataTransfer.setData('spawnType', item.dataset.spawn); });
});
}
/* --- Camera Math --- */
function updateViewport() {
viewport.style.transform = `translate(${panX}px, ${panY}px) scale(${zoom})`;
workspace.style.backgroundSize = `${32 * zoom}px ${32 * zoom}px`;
workspace.style.backgroundPosition = `${panX}px ${panY}px`;
}
function zoomWorkspace(factor, mouseX, mouseY) {
const newZoom = Math.min(Math.max(0.1, zoom * factor), 2);
panX = mouseX - (mouseX - panX) * (newZoom / zoom);
panY = mouseY - (mouseY - panY) * (newZoom / zoom);
zoom = newZoom; updateViewport();
}
function getPortCoords(nodeId, portDataAttr) {
const node = nodes[nodeId];
if (!node || !node.el) return {x:0, y:0};
const portEl = node.el.querySelector(`[data-port="${portDataAttr}"]`);
if (!portEl) return {x:0, y:0};
const wsRect = workspace.getBoundingClientRect();
const portRect = portEl.getBoundingClientRect();
return {
x: (portRect.left - wsRect.left - panX + portRect.width / 2) / zoom,
y: (portRect.top - wsRect.top - panY + portRect.height / 2) / zoom
};
}
function drawBezier(x1, y1, x2, y2) {
const cpDist = Math.abs(x2 - x1) * 0.6 + 20;
return `M ${x1} ${y1} C ${x1 + cpDist} ${y1}, ${x2 - cpDist} ${y2}, ${x2} ${y2}`;
}
/* --- Rendering --- */
function renderWires() {
let svgHTML = '';
connections.forEach(conn => {
const from = getPortCoords(conn.fromNode, conn.fromPort);
const to = getPortCoords(conn.toNode, conn.toPort);
const isSelected = conn.id === selectedWireId;
svgHTML += ``;
});
if (wiringStart && tempWirePath) {
svgHTML += ``;
}
wireLayer.innerHTML = svgHTML;
}
function updateNodePositions() {
Object.values(nodes).forEach(n => {
if (n.el) { n.el.style.left = `${n.x}px`; n.el.style.top = `${n.y}px`; }
});
renderWires();
}
function clearSelection() {
selectedWireId = null; selectedNodeId = null;
document.querySelectorAll('.pb-node.selected').forEach(el => el.classList.remove('selected'));
renderWires();
}
/* --- Seven-Segment Diagnostics Engine --- */
function evaluateBuild() {
if(!specsContainer) return;
let hasCase = false, hasMB = false, hasCPU = false, hasCooler = false, hasRAM = false, hasPSU = false;
let hasStorage = false, hasGPU = false;
let mbPwr = false, gpuPwr = false;
let usbCount = 0, dispConn = false, audConn = false;
let caseNode = Object.values(nodes).find(n => n.type === 'CASE');
let mbNode = Object.values(nodes).find(n => n.type === 'MB');
if (caseNode) {
hasCase = true;
if (caseNode.slots['MB1']) hasMB = true;
if (caseNode.slots['PSU1']) hasPSU = true;
if (caseNode.slots['HDD1'] || caseNode.slots['HDD2'] || caseNode.slots['SATA_SSD1'] || caseNode.slots['SATA_SSD2']) hasStorage = true;
} else if (mbNode) {
hasMB = true; // Motherboard exists outside case
}
if (mbNode) {
if (mbNode.slots['CPU1']) hasCPU = true;
if (mbNode.slots['COOLER1']) hasCooler = true;
if (mbNode.slots['RAM1'] || mbNode.slots['RAM2'] || mbNode.slots['RAM3'] || mbNode.slots['RAM4']) hasRAM = true;
if (mbNode.slots['PCIE1'] || mbNode.slots['PCIE2']) hasGPU = true;
if (mbNode.slots['M2_1'] || mbNode.slots['M2_2']) hasStorage = true;
}
// Check Cables
connections.forEach(c => {
let n1 = nodes[c.fromNode], n2 = nodes[c.toNode];
if(!n1 || !n2) return;
let types = [n1.type, n2.type];
if(types.includes('MB') && types.includes('PSU')) mbPwr = true;
if(types.includes('GPU') && types.includes('PSU')) gpuPwr = true;
if(types.includes('MB') && ['KEYBOARD','MOUSE','WEBCAM','MIC','PRINTER'].some(t => types.includes(t))) usbCount++;
if(types.includes('MB') && types.includes('SPEAKER')) audConn = true;
if((types.includes('MB') || types.includes('GPU')) && types.includes('MONITOR')) dispConn = true;
});
const isBootable = (hasMB && hasCPU && hasCooler && hasRAM && hasPSU && hasStorage && mbPwr && (hasGPU ? gpuPwr : true) && dispConn);
specsContainer.innerHTML = `
Core System
CHASSIS${hasCase ? 'OK' : 'ERR'}
MOTHERBOARD${hasMB ? 'OK' : 'ERR'}
CPU${hasCPU ? 'OK' : 'ERR'}
COOLING${hasCooler ? 'OK' : 'ERR'}
MEMORY${hasRAM ? 'OK' : 'ERR'}
POWER SPLY${hasPSU ? 'OK' : 'ERR'}
Connections
MB POWER${mbPwr ? 'OK' : 'ERR'}
STORAGE${hasStorage ? 'OK' : 'ERR'}
GPU POWER${!hasGPU ? 'N/A' : (gpuPwr ? 'OK' : 'ERR')}
DISPLAY${dispConn ? 'OK' : 'ERR'}
USB DEVS${usbCount}
${isBootable ? 'BOOTING...' : 'HALTED'}
`;
}
/* --- Node Creation & Snapping --- */
function createNodeElement(node) {
const el = document.createElement('div');
el.className = `pb-node`; el.dataset.id = node.id;
el.style.left = `${node.x}px`; el.style.top = `${node.y}px`;
el.style.width = `${PC_PARTS[node.type].w}px`; el.style.height = `${PC_PARTS[node.type].h}px`;
el.style.zIndex = PC_PARTS[node.type].z;
let innerHTML = ``;
PC_PARTS[node.type].ports.forEach(p => {
innerHTML += ``;
});
// Debug Labels for bare parts
if(node.type !== 'CASE' && node.type !== 'MB') {
innerHTML += `${node.type}
`;
}
el.innerHTML = innerHTML;
viewport.appendChild(el);
node.el = el;
return el;
}
function spawnNode(type, dropX = null, dropY = null) {
const id = `node_${nextNodeId++}`;
const x = dropX !== null ? dropX : 300 + Math.random()*40;
const y = dropY !== null ? dropY : 150 + Math.random()*40;
const node = { id, type, x, y, snappedTo: null, el: null };
if (PC_PARTS[type].slots) node.slots = { ...PC_PARTS[type].slots }; // Copy slots schema, values will be filled with IDs
// Reset slot values to null
if(node.slots) {
for(let k in node.slots) { node.slots[k] = null; }
}
nodes[id] = node;
createNodeElement(node);
evaluateBuild();
}
// Recursive movement to handle nested snaps (MB inside CASE inside ...)
function moveNodeRecursive(nodeId, dx, dy) {
const n = nodes[nodeId];
if(!n) return;
n.x += dx; n.y += dy;
if(n.slots) {
Object.keys(n.slots).forEach(k => {
if(typeof n.slots[k] === 'string') moveNodeRecursive(n.slots[k], dx, dy);
});
}
}
/* --- Inspect Mode --- */
let inspectZoom = 1, inspectRotX = 0, inspectRotY = 0;
workspace.addEventListener('dblclick', (e) => {
const nodeEl = e.target.closest('.pb-node');
if (nodeEl) {
const node = nodes[nodeEl.dataset.id];
document.getElementById('inspectModal').classList.add('active');
document.getElementById('inspectObject').innerHTML = ``;
document.getElementById('inspectName').innerText = PC_PARTS[node.type].name;
inspectZoom = 1.5; inspectRotX = 0; inspectRotY = 0; updateInspectTransform(); clearSelection();
}
});
document.getElementById('inspectStage')?.addEventListener('mousemove', (e) => {
const rect = e.currentTarget.getBoundingClientRect();
inspectRotY = (e.clientX - rect.left - rect.width/2) / 5;
inspectRotX = -(e.clientY - rect.top - rect.height/2) / 5;
updateInspectTransform();
});
document.getElementById('inspectStage')?.addEventListener('wheel', (e) => {
e.preventDefault(); inspectZoom += e.deltaY < 0 ? 0.1 : -0.1;
inspectZoom = Math.max(0.5, Math.min(inspectZoom, 4)); updateInspectTransform();
});
function updateInspectTransform() { const obj = document.getElementById('inspectObject'); if(obj) obj.style.transform = `scale(${inspectZoom}) rotateX(${inspectRotX}deg) rotateY(${inspectRotY}deg)`; }
document.getElementById('inspectClose')?.addEventListener('click', () => { document.getElementById('inspectModal').classList.remove('active'); });
/* --- Interaction --- */
document.getElementById("btnZoomIn")?.addEventListener('click', () => { const r = workspace.getBoundingClientRect(); zoomWorkspace(1.2, r.width/2, r.height/2); });
document.getElementById("btnZoomOut")?.addEventListener('click', () => { const r = workspace.getBoundingClientRect(); zoomWorkspace(1/1.2, r.width/2, r.height/2); });
document.getElementById("btnZoomReset")?.addEventListener('click', () => { panX = 0; panY = 0; zoom = 1; updateViewport(); });
workspace.addEventListener('wheel', (e) => { e.preventDefault(); const wsRect = workspace.getBoundingClientRect(); zoomWorkspace(e.deltaY < 0 ? 1.1 : (1/1.1), e.clientX - wsRect.left, e.clientY - wsRect.top); });
workspace.addEventListener('mousedown', (e) => {
const port = e.target.closest('.pb-port');
if (port) {
const nodeEl = port.closest('.pb-node');
const portId = port.dataset.port;
const existingIdx = connections.findIndex(c => (c.toNode === nodeEl.dataset.id && c.toPort === portId) || (c.fromNode === nodeEl.dataset.id && c.fromPort === portId));
if (existingIdx !== -1) { connections.splice(existingIdx, 1); evaluateBuild(); renderWires(); return; }
const coords = getPortCoords(nodeEl.dataset.id, portId);
wiringStart = { node: nodeEl.dataset.id, port: portId, x: coords.x, y: coords.y };
tempWirePath = { x: coords.x, y: coords.y }; return;
}
const wire = e.target.closest('.pb-wire');
if (wire && wire.dataset.connId) { clearSelection(); selectedWireId = wire.dataset.connId; renderWires(); e.stopPropagation(); return; }
const nodeEl = e.target.closest('.pb-node');
if (nodeEl) {
clearSelection(); selectedNodeId = nodeEl.dataset.id; nodeEl.classList.add('selected'); isDraggingNode = nodeEl.dataset.id;
const rect = nodeEl.getBoundingClientRect(); dragOffset = { x: (e.clientX - rect.left) / zoom, y: (e.clientY - rect.top) / zoom };
// Unsnap from parent when picked up
const node = nodes[isDraggingNode];
if (node.snappedTo) {
const parent = nodes[node.snappedTo.id];
if (parent && parent.slots[node.snappedTo.key] === node.id) parent.slots[node.snappedTo.key] = null;
node.snappedTo = null;
node.el.style.zIndex = PC_PARTS[node.type].z; // Reset Z
evaluateBuild();
}
return;
}
clearSelection(); isPanning = true; panStart = { x: e.clientX - panX, y: e.clientY - panY };
});
window.addEventListener('mousemove', (e) => {
const wsRect = workspace.getBoundingClientRect();
if (isPanning) { panX = e.clientX - panStart.x; panY = e.clientY - panStart.y; updateViewport(); return; }
if (isDraggingNode) {
const node = nodes[isDraggingNode];
let newX = (e.clientX - wsRect.left - panX) / zoom - dragOffset.x;
let newY = (e.clientY - wsRect.top - panY) / zoom - dragOffset.y;
moveNodeRecursive(node.id, newX - node.x, newY - node.y);
updateNodePositions();
}
if (wiringStart) { tempWirePath = { x: (e.clientX - wsRect.left - panX) / zoom, y: (e.clientY - wsRect.top - panY) / zoom }; renderWires(); }
});
window.addEventListener('mouseup', (e) => {
if (isDraggingNode) {
const node = nodes[isDraggingNode];
let snapped = false;
// Check all other nodes for compatible slots
Object.values(nodes).forEach(target => {
if (target.slots && !snapped && target.id !== node.id) {
for(let slotKey in target.slots) {
let slotDef = PC_PARTS[target.type].slots[slotKey];
if(slotDef.accepts === node.type && target.slots[slotKey] === null) {
let tX = target.x + slotDef.x; let tY = target.y + slotDef.y;
if (Math.hypot(node.x - tX, node.y - tY) < 80) {
moveNodeRecursive(node.id, tX - node.x, tY - node.y);
node.snappedTo = { id: target.id, key: slotKey };
target.slots[slotKey] = node.id;
node.el.style.zIndex = PC_PARTS[target.type].z + 5; // Layer above parent
snapped = true; break;
}
}
}
}
});
isDraggingNode = null; updateNodePositions(); evaluateBuild();
}
if (wiringStart) {
const port = e.target.closest('.pb-port');
if (port) {
const targetNodeId = port.closest('.pb-node').dataset.id;
const targetPortId = port.dataset.port;
if (targetNodeId !== wiringStart.node) { connections.push({ id: `conn_${nextWireId++}`, fromNode: wiringStart.node, fromPort: wiringStart.port, toNode: targetNodeId, toPort: targetPortId }); }
}
wiringStart = null; tempWirePath = null; evaluateBuild(); renderWires();
}
isPanning = false;
});
/* --- Deletion (Recursive) --- */
function deleteNodeRecursive(id) {
const n = nodes[id]; if(!n) return;
if(n.slots) { Object.keys(n.slots).forEach(k => { if(typeof n.slots[k] === 'string') deleteNodeRecursive(n.slots[k]); }); }
if(n.snappedTo) { const p = nodes[n.snappedTo.id]; if(p) p.slots[n.snappedTo.key] = null; }
connections = connections.filter(c => c.fromNode !== id && c.toNode !== id);
viewport.removeChild(n.el); delete nodes[id];
}
window.addEventListener('keydown', (e) => {
if ((e.key === 'Delete' || e.key === 'Backspace') && selectedNodeId) {
deleteNodeRecursive(selectedNodeId); clearSelection(); evaluateBuild(); renderWires();
}
if ((e.key === 'Delete' || e.key === 'Backspace') && selectedWireId) {
connections = connections.filter(c => c.id !== selectedWireId); clearSelection(); evaluateBuild(); renderWires();
}
});
workspace.addEventListener('dragover', (e) => { e.preventDefault(); });
workspace.addEventListener('drop', (e) => {
e.preventDefault();
const type = e.dataTransfer.getData('spawnType');
if (type) {
const r = workspace.getBoundingClientRect();
spawnNode(type, (e.clientX - r.left - panX) / zoom - (PC_PARTS[type].w / 2), (e.clientY - r.top - panY) / zoom - (PC_PARTS[type].h / 2));
}
});
btnClearBoard?.addEventListener('click', () => {
viewport.querySelectorAll('.pb-node').forEach(el => el.remove());
nodes = {}; connections = []; evaluateBuild(); renderWires();
});
toolboxToggle?.addEventListener("click", () => {
const c = pcPage?.classList.contains("toolboxCollapsed");
pcPage.classList.toggle("toolboxCollapsed", !c);
toolboxToggle?.setAttribute("aria-expanded", c ? "true" : "false");
});
initToolbox(); evaluateBuild();
})();